Datasets:

cwinkler

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patents_green_plastics

like 1

a convertible carseat / stroller is of the type having a molded plastic shell with lower door panels in the shell and a wheel assembly includes front and rear legs pivotally connected to a common support member within the shell and extensible between a downwardly divergent stroller position beneath the shell and upper retracted position within the shell under the control of a manual release member which is slidable along the support member for the wheel assembly . a handle unit is telescopically mounted with respect to the support member and is retractable into the shell when converted into a carseat . the door panels on the bottom of the shell follow movement of the wheel assembly so as to open in extending the wheel assembly between the shell for use as a stroller and will return to a closed position when the wheel assembly is retracted into the shell .

a cd or dvd tray made from paperboard is provided . the tray may be made from 100 % recycled paperboard and can be 100 % recyclable . the design of the tray or holder uses the structural geometry of facets , central hole and radial slits to form a hub that achieves the function of securing the cd to the tray . non - structural paper stock is formed into an effective fastening device whereby the fit of the hub is determined by the geometry of the folded paper . the paper tray of the present invention duplicates the functionality of plastic trays and is compatible with industry auto - loading , while providing the environmental benefits of paper .

a portable tool designed for effective and efficient lateral truing of damaged spoked wheels , in particular bicycle wheels , is described . the tool is mountable on the bicycle frame , and allows the user to position the truing gauge with four spatial degrees of freedom . the inventive tool features a non - rigidly mounted truing indicator tip to maintain accurate tool alignment when in contact with a rotating wheel rim that is severely bent out the of the plane of the rim by decoupling rim forces from the rest of the tool . in addition , the combination of the floating action of the truing tip and its construction from a soft polymeric material avoids scratching or otherwise marring the surface of the rim during the truing procedure .

composition comprising susceptors having the capability of absorbing microwave energy , and a matrix substantially non - reflective of microwave energy . the susceptors comprise a particulate substrate having a thin - film coating thereon . the particulate substrate is substantially non - reflective of microwave energy and the coating is capable of absorbing microwave energy . the matrix typically comprises polymeric or ceramic materials that are stable at temperatures conventionally used in microwave cooking . the composition allows reuse of the susceptors , eliminates decline in heating rate , eliminates arcing , allows the heating rate to be controlled , allows overheating to be controlled , and allows formation of microwave heatable composite materials having very low metal content .

a method of manufacturing a raised relief , illuminated globe includes printing a hemispherical map design on a flat vinyl plastic sheet , forming the vinyl plastic sheet into a substantially hemispherical shape , positioning the hemispherically formed sheet in a mold cavity , positioning a mold core on the back side of the sheet , injection molding a styrene backing for the hemispherical shaped sheet to conform the sheet with the mold cavity including relief areas defined in the cavity wall , and removing the molded hemisphere from the mold . a second molded hemisphere is produced in substantially the same manner and is attached to the first hemisphere to form a complete globe . the printed map design of the globe is positioned in the mold cavity to insure that the relief areas are properly positioned with respect to the design .

safety scissors wherein the scissor members are composed of a metal member partially embedded in plastic in such a way that a part of the exposed metal serves as a cutting edge and the remaining exposed portion of the metal member bears the sliding friction when the two scissor members are moved relative to each other .

electrically conductive , pressure sensitive adhesive composite formulations comprising adhesive polymers , electrically conductive quaternary ammonium polymers , electrically conductive water soluble and water swellable polymeric fillers for imparting cohesiveness to said composite , and additionally , chemical agents that retard oxidative or microbial degradation of the composite . the composite formulations yield a flexible and extensible material that is suitable as an adhesive for biological electrodes , particularly transcutaneous electrical nerve stimulation electrodes .

a bioreactor includes a plastic enclosure for containing a biological medium , the enclosure being integrally formed to have one or more elongate port extensions projecting outwardly from the enclosure and communicating from the exterior to the interior of the enclosure . a biomass impendence monitor probe is provided for use in conjunction with the bioreactor . the probe is pushed into one or more of the elongate ports in order to have an electrode arrangement positioned internally of the container . the probe has an elongate housing having an outer surface extending along and contiguous with the elongate inner surface of the port extension . the housing extends from the electrode end of the probe to a remote end . the housing is provided with an electrical connector connected to the electrode arrangement .

a square bottom plastic bag is designed to stand upright when opened . the bags are constructed with open tops , side handle openings and attached headers or with t - shirt style handles . the bags are produced in registered bag stacks and include means for adhering a rear surface of one bag to a front surface of a subsequent bag to make the bags self - opening when used with a dispensing rack . the headered bags have tear - off headers or headers with weakened areas that will rupture upon dispensing . the t - shirt bags have apertures through the handles to suspend the bags on a rack or a header attached above the handles . the bags have detachable or rupturable center tabs . the bags are registered with hot pins or cold stakes through an upper portion of the bags or bag handles . the bags have openings , microperforations , or are formed of porous material to dissipate heat or moisture .

a biomedical sensor is disclosed that includes a conductive material for coupling to monitoring equipment , and a composite . the composite includes a polymeric material and a polar material that is substantially dispersed within the polymeric material . the composite has a first side that is coupled to the conductive material and has a second side that is positionable with respect to a subject to be monitored . the polar material exhibits molecular compatibility with the polymeric material such that the polar material neither blooms to a surface of the polymeric material nor crystallizes within the polymeric material .

a one - piece plastic disposable razor having structure which insures safe and efficient blade geometry while lending itself to high - speed mass production methods .

the present invention provides a commercially viable process for the preparation of highly pure and optically active l -- lactic acid and s -- methyl lactate , in high yield , obtained from esterification of aqueous crude lactic acid solution produced by sugar cane juice fermentation broth and methanol in continuous counter current trickle phase approach or in continuous counter current bubble column manner , using stabilizers and the methyl lactate so obtained is recovered and followed by purification of reasonably pure methyl lactate using reagent mixture such as sodium bi - carbonate , mono - ethanolamine or di - ethanolamine , urea or sodium - bicarbonate , mono - ethanolamine or di - ethanolamine , thiourea to reduce the impurity of dimethyl ester of dicarboxylic such as dimethyl oxalate or di - methyl succinate or methyl ester of mono - carboxylic acid such as methyl pyruvate present as an impurity , so as to get highly pure s -- methyl lactate followed by hydrolyzing highly pure s -- methyl lactate using highly pure lactic acid as a catalyst , using highly pure water as the hydrolysis media and by using pre - treated activated carbon with dilute l -- lactic acid , in batch or continuous mode . this very high pure s -- methyl lactate constitutes an important product having interesting possibilities of application at an industrial level , in pharmaceuticals . highly pure l -- lactic acid thus obtained is used as an acidulant , as a food additive , for pharmaceutical applications , a monomer for making poly - lactic acid , as a monomer to prepare biodegradable polymer which are useful for manufacturing bags , application films , in the field of sanitary field , and has medical applications .

a wagon comprising a body portion , the body portion including a plurality of side portions , each of the side portions comprising wire or plastic sides . the wagon also comprises a plurality of reinforcing metal strips on a top and bottom of each of the wire sides ; and a plurality of metal strips which extend from the top to the bottom of the body portion . finally , the wagon includes a plurality of tie down straps in metal or plastic straps extending from a top portion of and side of the utility wagon . when an attachable leaf chute is combined with the utility wagon , it can also fill individual bags with leaves . the attachable leaf chute slides into and then is attached to the utility wagon .

a vacuum packaging method and apparatus for packaging solid objects such as food products of various shapes automatically . a web of tubular plastic film is supplied from a roll and drawn over an opening core which opens the plastic film into a rectangular shape . the film is then drawn over the object to be packaged and cut to a predetermined length . in one embodiment , the front end of the film is then sealed and the object urged towards the sealed end . in another embodiment , both ends of the film are left open at this point . the object with the film positioned therearound is transferred to a vacuum chamber . prior to the chamber being evacuated , tension is applied to the film so as to prevent the formation of creases .

polyurethane shapes containing a core layer of a water soluble polymer such as polyethylene oxide are produced by casting onto a surface an aqueous mixture containing a pre - polymer of a hydrophilic polyurethane as a first layer of uncured polyurethane , covering the uncured first layer with release paper and compressing the layer , uncovering the uncured first layer and distributing peo on the uncured surface , applying a second layer of uncured polyurethane on top of the peo while the polyurethane is still uncured , then covering the resulting mass with release paper and compressing it to form an integrated , layered shaped article containing a core region enriched in peo that when wetted releases peo over an extended period . the second layer is applied by adhering about one - half of the first uncured foam layer to the release paper as the first uncured layer is uncovered and then recombining the adhered material on top of the peo and further compressing the resulting mass to produce an integrated , layered shaped article . the second layer can be applied , alternatively , by independently casting a second layer of uncured polyurethane foam after distributing the peo and then compressing and curing . the peo containing shapes are useful in making improved comfort strips for wet shaving razors . shape products of the process where the core region contains other specified working ingredients are useful in applications including bandages and wound dressings , cosmetic sponges , cleaning and polishing sponges , dry cleaning and anti - static sheets , and in household , industrial and environmental clean up and waste recovery .

oligodendrogliomas are the second most common malignant brain tumor in adults . these tumors often contain a chromosomal abnormality involving a pericentromeric fusion of chromosomes 1 and 19 , resulting in losses of the entire short arm of the former and the long arm of the latter . to identify the molecular genetic basis for this alteration , we performed exomic sequencing of seven anaplastic oligodendrogliomas with chromosome 1p and 19q losses . among other changes , we found that that cic on chromosome 19q was somatically mutated in six of the seven cases and that fubp1 binding protein ) on chromosome 1p was somatically mutated in two of the seven cases . examination of 27 additional oligodendrogliomas revealed 12 and 3 more tumors with mutations of cic and fubp1 , respectively , 58 % of which were predicted to result in truncations of the encoded proteins . these results suggest a critical role for these genes in the biology and pathology of oligodendrocytes .

the present invention relates to hydrophobic , or water resistant or water repellant , polymers and especially to hydrophobic , or water resistant or water repellant , biodegradable polymers . preferred polymers according to the present invention are polymers based on polylactic acid , polyvinyl , starch , polyacrylic acid , polyester and polymers based on combinations thereof . further , the present invention relates to novel additives and techniques to provide polymers , and especially biodegradable polymers , with improved hydrophobic , water - repellent or water resistant properties .

a method for electroforming and electrodischarge machining uses , an electrically conductive thermoplastic wax composition which can act as an electrode on which a metal article may be electroformed and as an electrode mount for the metal article to be electrodischarge machined . the electrically conductive thermoplastic wax composition comprises a thermoplastic wax material and very small spherical particles the surface of which have been treated to make them electrically conductive . the electrically conductive thermoplastic wax composition is easily separated from the metal articles formed by electroforming or electrodischarge machining by heating to melting temperature and / or by use of a suitable solvent for the thermoplastic wax . in this way , the composition may readily be recovered for repeated reuse in another electroforming or edm process , and accurately formed finished articles having intricate shapes and close tolerances can be produced . in a preferred embodiment , the spherical particles are silver coated solid glass microspheres comprising 60 to 75 percent , by weight , of the overall thermoplastic wax composition .

a method for preparing high molecular weight poly with high performance , including : a ) providing a biogenic guanidine as a catalyst , and a nontoxic acid salt of an essential metal trace element as an activator , and adding the catalyst , the activator , and l - lactide monomer to a polymerization reactor ; b ) evacuating under vacuum and charging the polymerization reactor with nitrogen for three consecutive times to remove air , and allowing the l - lactide monomer to undergo bulk polymerization under vacuum . the bulk polymerization includes a first reaction stage and a second reaction stage , which are separately carried out at different temperatures , pressures , and reaction times .

a composite molecular active substance group for use in restitutive chemotherapy against viral infections , which is produced by the process comprising : preparing lignin units by carrying out an extraction in an aqueous media under weakly acidic or alkaline conditions of wood or wood - like materials and / or plant - cell cultures and separating - off the resultant insoluble solids ; preparing lignoid units by carrying out an aqueous alkaline extraction at a ph of 7 to 14 of starting materials selected from the group consisting of wood - incarbonization products and bioconverted wood - like materials and separating - off the resultant alkali - insoluble solids ; and preparing a water - soluble mixed polymer by reacting the lignin units from step with the lignoid units from step , under aqueous alkaline isolating by ultrafiltration a low molecular weight fraction having a molecular weight of no more than 3000 daltons of the mixed polymer , taking a cut between 15 to 40 kilodaltons and discarding the resultant residue , and treating the resultant solution with an h + cation exchanger at a ph of 3 to 7 and then carrying out further processing .

a membrane is used as a collection substrate in an electrostatic precipitator . possible material choices include fibers in the form of woven mats , screens made from stainless steel wires or fiber reinforced polymer composite membranes . the membranes have a tensile bias applied during operation , and have impulse tensile force applied during a dust removal step . by combining a dry esp membrane field with wet - film cleaning field , it may be possible to improve collection efficiencies both by reducing turbulence and eliminating re - entrainment losses due to rapping . through implementation of new materials that resist hostile esp environments , the invention enhances the possibility of using novel technologies , such as pulsed corona and others , suitable for removal of molecules such as no x and so x , which is very important for meeting proposed pm2 . 5 epa emissions regulations .

a method and apparatus for applying a polymer coating on an elongated substrate , preferably an elongate intracorporeal device in the form of a guidewire . an extrudable polymer cartridge is moved by a cartridge advancement mechanism into a guide chamber which is heated at an end with a die or orifice through which a desired portion of a guidewire may pass and be coated . parameters such as guide chamber temperature , pull speed and force exerted by the cartridge advancement mechanism may be controlled with a computer program in order to achieve repeatable results . the guide chamber , extrudable polymer cartridge , die , and push tube may all be made from polymer components which can be reused or disposed of after a single use . the extrudable polymer cartridge may have a variety of configurations including multiple layers of different materials , eccentric shapes , multiple lumens for multiple elements to be drawn through and coated and asymmetric disposition of different materials with respect to the longitudinal axis as viewed in a transverse cross section which can give bending properties having a preferred direction in the coated guidewire or device .

the present invention relates to a surgical fastener or device formed in the shape of an arrow comprising a shaft with a proximal portion having protrusions and a blunt end and a distal portion having protrusions and a pointed end , the protrusions of the proximal and distal portions configured to lock the implant in a position inside a soft and / or tough tissue according to the use of the implant . the implant may be manufactured of a polymer or a polymeric compound which is substantially absorbable in tissue conditions and contains oriented reinforcing structure or the like of a polymer or polymeric compound or ceramic bioglass compound . the surgical implant of the invention is particularly but not solely intended to be used in repair surgery of traumas of soft and / or tough tissues containing fibrous structures , such as knee meniscal tissues .

the present invention provides a chromatography medium comprising one or more electrospun polymer nanofibers which form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same in chromatography , such as the isolation of recombinant proteins , monoclonal antibodies , viral vaccines and plasmid dna . the invention further provides for the use of the chromatographic medium in a simulated moving bed system .

a disposable bag for removal of dust vacuum cleaners comprised of a nonporous polymer composition sheeting sealed water tight for internally containing a quantity of water that functions as the dust removal media . the bag is configured for mounting internally within the external fabric bag customarily provided by the vacuum cleaner manufacturer . discharge of dust laden air from the vacuum blower is connected to an air inlet on the bag from which an internal guide directs the air flow to within the body of water . emerging from the water substantially dust free , the air is directed past baffles to eliminate entrained moisture before being discharged through an outlet opening to the surrounding environment .

the present invention provides a process for preparing a carbohydrate - binding lectin derivative for use as immune modulators or immunoconjugates . the polymer - lectin conjugate produced in accordance with the process is polyethylene glycol ricinus communis agglutinin i . the lectin is coupled to the polymer by activating the polymer with a coupling agent such as 1 , 1 - carbonyldiimidazole . the polymer - lectin conjugate is biologically active , biocompatible and is expected to be substantially non - immunogenic .

a method and apparatus for coldworking holes using rotational mandrel . the apparatus uses a tubular seamless sleeve made of shape memory alloys having a superelasticity property , a mandrel having major and minor diameter portions , an end - cap to seat and restrain axial and rotational motion of said sleeve . the preferred coldworking operation includes the steps of placing the sleeve firmly between the end - cap and the adapting - spacer which are carried on a mandrel pulling means , passing forward the major diameter portion of the mandrel through the sleeve whose diameter is therefore elastically expanded and thereafter shrinks , inserting the sleeve together with the mandrel into said hole , placing the end - cap against the workpiece , retracting while rotating the mandrel backward through and out of the sleeve ; thereby expanding the sleeve wall against the hole bore and exerting radial outward force on the sleeve which in turn transmits the coldworking force to the hole bore and plastically expand said hole ; thereafter the sleeve diameter shrinking to a smaller size to ease the removal of the sleeve out of the hole . the sleeve is reusable due to the superelasticity property of shape memory alloys .

the invention relates to a strain of enterococcus mundtii having probiotic qualities . the strain of e . mundtii produces an antimicrobial peptide which exhibits antimicrobial activity against a broad range of bacteria . the invention also provides an isolated nucleotide sequence which codes for the antimicrobial peptide . another aspect of the invention relates to a process for the production of a peptide of the invention which comprises cultivating enterococcus mundtii strain st4sa in a nutrient medium under micro - aerophilic conditions at a temperature of between 100c and 45 ° c ., until a recoverable quantity of said peptide is produced , and recovering said peptide . the isolated peptide of the invention may be used as an antimicrobial agent in a liquid formulation or a gel formulation as a topical treatment and may also be used as an antimicrobial agent following encapsulation in a polymer .

a protective seat for children traveling in a vehicle is provided with a visor that shields a child from excessive incident light and from flying objects in the event of a collision or sudden stop . preferably , the visor is constructed of transparent , high - impact plastic that is tinted to reduce the amount of sunlight that can pass therethrough . the visor is u - shaped to have a central portion extending transversely across the protective seat and a pair of downwardly depending end portions mounted by a trunnion pin hinge to the lateral side edges of the child support shell . the position of the visor is pivotally adjustable and position lock elements and limit stops may be provided . the visor may be formed as original structure on the protective seat or as a retro - fit apparatus including mounting brackets that may be fastened to the protective seat thus providing the visor mounts .

an apparatus and method for treating and reusing the wastewater discharged from agricultural animal farms . the apparatus and method of the present invention is designed to be a zero discharge system in which no wastewater will be discharged or spray irrigated . the wastewater effluent is first passed through a mechanical screen were bulk solids are separated and partially de - watered . the screened effluent is then directed to a primary plastic - lined earthen lagoon where it undergoes aerobic digestion utilizing specially selected bacteria . after treatment in the primary lagoon , the wastewater effluent is used to wash the floors of the hog houses or undergoes a purification phase including solids separation / denitrification , filtration and sterilization . the solids separation / denitrification phase preferably takes place in an anoxic environment in preferably above - ground tanks where suspended solids removal will occur as well as denitrification for nitrate reduction . the clarification process may be facilitated through use of polymer addition . the majority of solids will be sent to a plurality of drying beds for de - watering and subsequent removal .

a process for the hot press moulding of moulded articles , such as the internal linings of motor vehicles or the like is described , in which planar blanks of tangled fibre mat fleece mixed with binders , using at least one mould , are permanently deformed in a multidimensional moulding process after evaporating on the mat fleece . a stabilizing support is introduced during the deformation process on at least one side between the shaping surface of the mould and the mat fleece . it is in the form of a fibrous sandwich layer which is substantially elongation - free in the surface direction at ambient temperature , but is plastically deformable within the hot press mould under the action of heat . with and / or immediately after the moulding process , said stabilization support becomes a substantially elongation - free , inflexible covering . the geometry of the flexible stabilizing support is to be made to coincide with that of the mat fleece blank to be deformed .

an improved sole construction for use in shoes . the sole construction consists of a hammock - like lattice formed of medium to high modulus polymers , or a lightweight metal alloy . the lattice substantially conforms in topography to the foot , or a weight - bearing portion thereof . the lattice may be disposed on , and supported by , a resilient frame , or secured directly to the shoe upper . the lattice supports the foot while suspending it slightly , even during gait , above the interior base of the shoe . the suspended portions of the foot are thusly protected from the shock of striking a surface , and are gently supported while bearing a load .

universal recycling disposal machine designed to recycle and dispose almost all daily municipal solid wastes that generated by homes , offices and public places which refer to trash / rubbish . machine will maximize the delivery of the clean materials to re - production plants and minimize or eliminate the volume / weight of msw which should be delivered to landfill . the main concept was to design a machine that can be fixed within every kitchen cabinet or kitchen area and to be used as a home appliance . machine designed in a way to minimize the sound & amp ; dust pollution during recycling and disposal processes . all items after recycling will be washed and rinsed before storing in plastic bins . during disposal process , big particles of disposed items will be filtered to avoid drainage blockage and all fog will be removed from water .

disclosed is a method for modifying naturally occuring biocompatible biopolymers of plant and animal origin by subjecting same to ionizing radiation in the presence of a mediating gas , typically acetylene to enable one to selectively enhance and modify one or more of the physiochemical propserties of the starting materials which have a wide range of uses in medicine , food technology and other industrial applications . notwithstanding the modifications , the biocompatibility of the biopolymer remains unchanged and no new or additional functional groups are introduced into the starting biopolymer .

a coating and method for a coating an implantable device or prostheses are disclosed . the coating includes an undercoat of polymeric material containing an amount of biologically active material , particularly heparin , dispersed therein . the coating further includes a topcoat which covers less than the entire surface of the undercoat and wherein the topcoat comprises a polymeric material substantially free of pores and porosigens . the polymeric material of the topcoat can be a biostable , biocompatible material which provides long term non - thrombogenicity to the device portion during and after release of the biologically active material .

a synthetic fibrous buff composed of layers of nonwoven mats of synthetic organic fibers impregnated with an oil -, water -, and grease - resistant polymeric binder material provides a light - weight smooth running buff which is quiet , clean and cool to operate . certain of the buffs are useful in high temperature environments such as for wiping molten solder from freshly soldered container seams .

an assembly for the receiving of a plurality of plastic parts initially interconnected to one another by runner structures in an array and formed from a multi - cavity plastic mold such that the subject assembly separates the plastic parts from the runner structure , ejects and delivers the runner structure into a recycling assembly and concurrently but independently delivers each of the plastic parts into separate containers through the provision of a delivery structure associated with the subject assembly .

an apparatus for melting and dispensing thermoplastic materials such as thermoplastic adhesives referred to as &# 34 ; hot melt &# 34 ; adhesives . more specifically this invention relates to a one piece melter tank which is suspended from the top of a chassis which also serves as the housing for the entire assembly of the melting and dispensing apparatus .

an apparatus and process is disclosed for rotational molding . rotational molding is a technique for the fabrication of parts from powdered thermoplastic material in which the thermoplastic material is placed within a hollow mold and the mold is rotated in a heated environment until the thermoplastic material fuses and coats the entire interior surface of the mold . included in the apparatus is a holding mechanism for the mold and a power mechanism to provide the required rotational motion to the mold . the power mechanism provides for simultaneous rotation of the mold about two orthogonal axes and is displaced spatially from the holding mechanism . the holding mechanism is attached to a translating mechanism which positions the molds both internal to and external to a heating chamber such as an oven while keeping the drive mechanism external of the oven at all times . more specifically there is disclosed an apparatus which includes a truck mounted upon a guiding track and having extending therefrom an arm mechanism . the arm is pivotally attached to the truck and is coupled thereto in such a manner that the arm may be translated about the pivotal point through a vertical path from a horizontal position at a loading / unloading station through approximately 180 ° to be positioned into a heating chamber at a heating station and a cooling chamber or tower at a cooling station for fabrication of the molded part . subsequently , thereto the mold attached to the arm may be repositioned at the mold rework station for the removal of the plastic part from the mold . automatic control mechanisms and interlocks are provided to enable safety measures to be exercised to prevent movement of the truck along the track except at specified times and when the arm is in appropriate position to clear the oven and cooling towers .

a process for manufacturing pipes using thermoplastic pipe and “ tape ” that embeds the fibers into pipe surface . in one embodiment , an ambient temperature tape is tightly wrapped around the cold pipe in a dry environment . an external heat source is used to heat up the entire length of the pipe causing the thermoplastic to melt and the pipe to expand due to thermal expansion . since the fibers have less stretch than the thermal expansion of the pipe the fibers will be embedded into the molten layer of the pipe , creating a permanent bond between the fibers and the pipe . a protective film is applied to the pipe . portions of the tape and film are scraped from the surface of the pipe creating an area where the end of the pipe is coupled to another pipe using an electronic fusion coupler .

an ultrasonic separation apparatus is disclosed which provides simultaneous cutting and sealing of thermoplastic materials . both relatively thin and thick materials may be cut and sealed . the apparatus includes a cutting mechanism having a cutting blade mounted for oscillatory movement along its longitudinal axis . cutting takes place at a controlled rate to allow sufficient time for simultaneous sealing to occur . the apparatus may be particularly adapted for cutting strings of pocketed coil springs to length .

the present invention discloses a biopolymer - bioengineered human corneal endothelial cell sheet construct for reconstructing corneal endothelium in a patient . the construct includes a biopolymer carrier which is bioresorable and deformable ; and a bioengineered cell sheet comprising a monolayer of interconnected hcecs with substantially uniform orientation , wherein the bioengineered cell sheet is attached to a surface of the carrier with apical surfaces of the hcecs facing said carrier .

methods for use of a multi - arm polyethylene glycol modifier in modification of asparaginase . the described multi - arm peg modifier enhances the subunit interaction of a multimeric protein to maintain the multimeric protein in a polymerized form , thereby improving the stability of the multimeric protein , maintaining the bioactivity of the multimeric protein , and reducing the probability of exposure of the antigen binding site after depolymerization of the subunits , so as to reduce the immunogenicity .

a carrier and method of manufacture for a carrier that results in a package of containers includes a plastic sheet having an array of container apertures and an inner web . the inner web includes a flap that impinges into each container aperture thus creating a carrier that may be consistently applied to produce a desirable package .

a quantity of livestock meat for food is charged into a package bag made of a heat - shrinkable plastic film of substantially tubular shape of constant overall length sufficient for packaging variable quantities of the meat , the bag having a bottom end closed by transverse heat sealing and an open top end and being thus charged in a manner to leave an unfilled part between the seal and the meat , a surplus bag part being left outside of the seal , and this surplus part just outside of the seal is transversely and partially cut for subsequent serverence of the surplus bag part from the package bag , which is then immersed in hot water for a few seconds to cause shrinkage of the bag tightly around the meat . the vacuum packaging operation is advantageously accomplished in vacuum chambers formed by a continuity of vacuum boxes mating with corresponding platform plates in a vacuum packaging apparatus .

the present invention relating to an exothermic decomposition has , as essential components , a water absorptive polymer and / or tackifier , carbon component and / or metal chloride and features that the product is as a whole ink - like or cream - like .

a two piece suction strainer for use with a centrifugal pump is provided . the strainer includes a cage having the form of a basket and a cover having an integral hub formed as a hose shank fitting . the cover is securely placed in the open end of the cage basket . the hose is directly attached onto the hub . the cage and the cover preferably are injection molded from a high impact plastic .

heavy metal - free compostable polymers , composites and articles anaerobically biodegrade in landfills in a relatively short time . heavy metal - free composite polymeric articles and sheets such as indoor or outdoor signs , billboards , banners , images , protective barriers , backdrops and wall coverings have very useful service durations and yet are landfill biodegradable .

a relief print master is created by a printhead that jets droplets of a polymerisable liquid on a cylindrical sleeve . the droplets follow a spiral path on the cylindrical sleeve . in a multiple printhead unit , there are different spiral paths associated with the different constituting printheads . the distance between these spiral paths is not even in a prior art system . by rotating the printhead under a specific angle , the distance between these spiral paths becomes even . the invention can also be used for the creation of other types of print plates , such as for example offset print plates .

a fixing device for moulds for plastic articles , where a pair of half - moulds in which a force plug can be inserted , comprises at least one tie rod for keeping the two half - moulds in a closed position , the said tie rod being hinged , at one end , to the mobile half - mould and having a second end of a hammer - headed shape which hooks to two gripping jaws . the tie rod is hinged to a connecting rod which rotates on a pivot fixed to the resting base , which , in the movement of rotation , sets the tie rod along the line corresponding to the centroid of the pressure forces produced during the moulding operation .

a technique directed to a process for injection molding fiber - reinforced thermoset plastic articles is disclosed . the technique includes forming a mixture of short lengths of reinforcing fibers with a thermosetting resin in a predetermined fiber - to - resin ratio and introducing the mixture to an injection molding cylinder . the volume of mixture introduced is at least a multiple of two of the volume of the mold chamber so that the injection plunger traverses the intersection between the molding cylinder and a stuffer cylinder a single time for a multiplicity of molding shots to minimize fiber breakage and balling . the injection plunger is adapted to precompact the mixture by being forced forward until a predetermined high pressure is sensed , indicating a hydraulically locked condition of the plunger wherein substantially all entrapped gases have been expressed from the mixture and there exists no substantial forward movement of the plunger . the position of the plunger in its precompacted position is noted and recorded so that further multiple injection shots may be made in predetermined volumetric amounts .

a flexible pressure vessel is constructed from at least one pair of upper and mating lower dome shaped cell portions . the dome portions are molded from sheets of resilient material and joined together by radio frequency welding or high - strength adhesives . upper and lower passageway portions extend outwardly from each cell portion to the surrounding sheet material . when the cell portions are joined the passageway portions are joined to form a passageway for connection to a valve or another cell . upper and lower rings surround the upper and lower cell portions to provide reinforcement for the cells . first and second blankets of heavy - duty fiber reinforced material are attached over the upper and lower cell portions and stitched in place with heavy - duty stitching extending through the resilient material surrounding the cell portions . cell shaped sponges impregnated with absorbent materials are encased in liquid and gas impermeable plastic tubing and inserted into the cells prior to joining of the cell portions . heat - reflecting plastic film or metal foil is inserted between blankets and the cell portions . the heavy duty stitching is high - pressure loop and lock braiding . the passageway has a cross - section of between 0 . 050 and 0 . 100 inches . an apparatus and method are described for constructing the flexible pressure vessel .

this invention concerns an improved removable stent for temporary placement within a body . a stent according to the present invention utilizes a removable coil or the like of reinforcing filament such as metal or plastic wire enclosed at least partially within a shell or within a covering of biodegradable / bioabsorbable material which is allowed to remain within the body after removal of the reinforcing filament .

a process for treating sewage containing biological solids including the steps of mixing the sewage with oxygen - containing hydro fluoro ether polymers , retaining the sewage with the hydro fluoro ether polymers for a desired period of time so as to produce oxygenated sewage and carbon dioxide - containing hydro fluoro ether polymers , and separating the carbon dioxide - containing hydro fluoro ether polymers from the oxygenated sewage . water is separated from the oxygenated sewage so as to produce a sludge . oxygen is mixed with the carbon dioxide - containing hydro fluoro ether polymers so as to oxygenate the hydro fluoro ether polymers and to remove carbon dioxide therefrom . the sewage is retained with the hydro fluoro etherpolymers at a temperature of between 32 ° and 140 ° f . the sewage is dewatered prior to mixing so that the dewatered sewage has a water content of less than 93 percent by weight . the steps of mixing and retaining can be carried in a closed vessel . the hydro , fluoro ether polymers can be an emulsion containing perfluoro - bis - chlorobutyl ether .

a package of product units includes an entirely wrapped first product unit including a first product unit completely enveloped in a cover . an entirely wrapped second product unit includes a second product unit completely enveloped in a cover and is disposed adjacent to the wrapped first product unit . a band disposed around the wrapped first product unit and the wrapped second product unit creates a secured product arrangement a wrapper completely envelopes the band , the wrapped first product unit , and the wrapped second product unit of the secured product arrangement to create a wrapped secured product arrangement , such that the wrapper directly contacts the band the wrapped secured product arrangement consists essentially of wrapped product units , the band , and the wrapper . the cover of the first product unit , the cover of the second product unit , the band , and the wrapper each comprises a plastic material .

polyamines having the formula : wherein r 1 and r 2 are alkyl , aralkyl or aryl having up to 10 carbon atoms ; and a and b may be the same or different and are integers from 1 to 8 ; or a salt thereof with a pharmaceutically acceptable acid . anti - neoplastic , anti - diarrheal , anti - peristaltic , gastro - intestinal anti - spasmodic , anti - viral , anti - retroviral , anti - psoriasis and insecticidal compositions comprising biologically effective amounts of the above - described amines and biologically acceptable carriers therefor are also disclosed , as well as methods of treatment , administration or application of biologically effective amounts of the polyamines of the invention . also disclosed are methods for preparing the polyamines of the invention .

a thermosensitive reversible recording material having a thermosensitive recording layer formed on a substrate sheet and including a substantially colorless dye precursor and a color developing agent capable of reversibly color - developing and erasing the dye - precursor , in which the color developing agent comprises an aromatic compound of the general formula and optionally an overcoat layer preferably containing an electron - beam or ultraviolet - ray cured polymer is formed on the thermosensitive recording layer general formula : ## str1 ## r = naphthyl or lower alkoxy - substituted phenol group , y =-- nhco --, -- sconh --, -- conhco --, -- nhconh --, -- oco --, -- nhcoo --, -- nhcos --, -- s --, -- nhconhso 2 --, -- o --, -- ocsnh --, -- conhnh --, -- oconhso 2 --, -- co --, -- scsnh --, -- nhso 2 --, -- conhso 2 --, -- oso 2 --, -- nhcsnh --, or -- n = ch -- groups , n = integer of 11 - 30 !

an apparatus for the safe containment and transport of noxious or potentially hazardous objects , includes a flexible bag of any preferred size or shape that is formed of a film - like material , such as plastic . the bag includes an opening to permit access into an interior of the bag . the opening can include any preferred type of a seal or not , as desired . a substance that includes a lotion , gel , or powder is applied to at least a portion of an interior surface of the bag to disinfect the objects or to disinfect a hand of a user that may come in contact with any of the objects that are placed in the bag , or both . the lotion , gel , or powder includes either a hand - cleaner , antiseptic , disinfectant , scented substance , antibacterial substance , anti - viral , anti - parasitic , or anti - microbial substance or a combination thereof , the scented substance , if included , is used to mollify any noxious odors . if preferred , a lotion , gel , or powder is applied to an exterior of the bag as an exterior substance .

a sterilization process that preserves the mechanical properties of dilatation balloons and balloon catheters manufactured from polymers susceptible to the degradation reactions induced by ionizing radiation . the advantages of the sterilization process contemplated by this invention results from a reduced oxygen environment during sterilization , thereby preventing the degeneration process initiated in polymers during irradiation . additionally , a balloon or balloon dilatation catheter sterilized by the process of the invention is provided .

in a method of making plastic articles with embossed pattern , a plastic material is injection - molded in a cavity of a clamping unit of an injection molding machine to form an injection - molded plastic article . a pattern is embossed from a foil strip onto a previously injection - molded plastic article to form a finished plastic product with embossed pattern , whereby the embossing step is decoupled from the injection molding step and carried out separately from a clamping step of the clamping unit .

an insert - molded push in suture anchor has a biodegradable polymer body molded around a loop of suture . a tapered end disposed on the proximal end of the body is received into a recess in the distal end of a hand driver . anchoring ribs are formed along the remaining length of the anchor . the suture is held securely within the anchor body during the insert molding process . the anchor is produced by placing the braided suture within an injection mold , and injecting biodegradable polymer into the mold . using a preferred plication driver , the push in suture anchor can be utilized for capsular plication procedures .

the instant invention involves the use of a combination of preparatory steps in conjunction with mass spectroscopy and time - of - flight detection procedures to maximize the diversity of biopolymers which are verifiable within a particular sample . the cohort of biopolymers verified within such a sample is then viewed with reference to their ability to evidence at least one particular disease state ; thereby enabling a diagnostician to gain the ability to characterize either the presence or absence of at least one disease state relative to recognition of the presence and / or the absence of the biopolymer , predict disease risk assessment , and develop therapeutic avenues against the disease .

the invention comprises a combination concentrated polymer storage tank , mixing tank , and aging tank with a polymer deliver pump and water control valves to deliver the polymer and water to the mixing tank and aging tank . additionally , the mixing tank provides a residence time for mixing of 30 - 45 seconds , and the aging tank provides an aging residence time of 2 - 10 minutes .

a method of manufacturing a plurality of elements by replication includes the steps of : providing a replication tool that includes a plurality of replication sections having negative structural features defining the shape of the elements , the tool further including a plurality of first spacer portions ; providing a substrate ; moving the tool against the substrate , with a replication material in a plastically deformable or viscous or liquid state located between the tool and the substrate ; hardening the replication material to form the elements , wherein the step of moving the tool against the substrate includes applying a predetermined force for moving the tool against the substrate , until the first spacer portions are located at a distance from the substrate , the distance being determined by the magnitude of the force , and with replication material remaining between the first spacer portions and the substrate .

a control process for foaming and fusing plastics in a foaming and fusing device , and a fusing device for carrying out the process , in which the control process works in cycles , each cycle consists of phases which are at least an injection phase , a heating phase , a fusion phase , a cooling phase and a mould release phase , such phases being started and completed depending on control criteria comprising a time period , a pressure or a temperature limit value for the conditions evolving in the device such control criteria belonging to a certain cycle comprising a control criteria set , and with each cycle quality values of predetermined characteristics determined by measurements taken from the respective plastic part or an agglomerate cake situated in the device , a new set of control criteria being generated for each new cycle from prior control criteria depending from the quality values measured with such prior cycle of the control process , wherein the quality values of each cycle are combined to a deviation which deviation together with the control criteria set of the respective cycle are stored in a control device store up to a predetermined number of such stored sets , and criteria averages are determined from each of the store control criteria and an average of the stored quality deviations is determined , and for each cycle a new set of control criteria is determined through statistical variations of one or more of the control criteria around their criteria average with a variance determined according to the average quality deviation , such new set of control criteria is preset for the control of the next working cycle and the related quality values and the deviation is determined which is compared to the stored deviations and if it is smaller than one of the stored deviations , the set with the largest deviation in the store is replaced by the new one .

a process of simultaneously molding either a plurality of shingles or double walled shingles or other substantially planar exterior building products is provided , such that a blow moldable thermoplastic material is provided , of a composite parison that is then blow molded in a hollow mold , to produce novel shingles according to the process . ventilation and / or insulation can be provided to a hollow interior between spaced apart walls of a double walled shingle .

the present invention describes a new crossslinkable and crosslinked aliphatic polyoxaesters and blends thereof that may be used to produce hydrogels , surgical devices such as sutures , sutures with attached needles , molded devices , and the like . the invention also contemplates a process for producing these polyesters . the crosslinked aliphatic polyoxaesters of the present invention are formed from an aliphatic polyoxaester a first divalent repeating unit of formula i : o -- c -- c -- o ---- o -- c -- c --! i and a second repeating unit selected from the group of formulas consisting of : -- o -- r . sub . 4 --!. sub . a , ii -- o -- r . sub . 5 -- c --!. sub . b , iii and !. sub . p -- o --). sub . l g xi and combinations thereof . these aliphatic polyoxaesters may be blended with other polymers which are preferably biocompatible .

the present invention feeds a plurality of different molten resin jet streams into a t die adapted to produce film members such as plastic films . a plurality of molten jet streams extruded from a plurality of extruders , respectively , are fed from their predetermined directions into one resin feed passage in communication with the t die and combined or united without causing the mixture with each other . the relative positional relationship between the intersurfaces between the adjacent molten resin jet streams defined when the molten resin jet streams are combined or united on the one hand and an elongated discharge port of the t die can be adjusted so that the relative positional relationship between a plurality of extruders and the t die can be freely changed .

acetolactate synthase inhibitors , such as imazapyr and pyrithiobac and mixtures thereof , prepared as slow - release formulations are useful for the preparation of seed dressing , seed priming , seed or particle - substrate coating herbicidal compositions for control of parasitic weeds such as orobanche spp ., striga spp . and alectra spp . the use of agrochemicals can be rendered more efficient when coated or bound as a slow release formulation . particles used as the substrateto be coated may be plant seeds or particles made of a strong or weak ionic resin or a biodegradable carbohydrate natural polymer , a modified polymer , or artificially lignified cellulose . the herbicidal formulation may be covalently linked or adsorbed to the surface of the particle . the same slow release formulations are invaluable for preventing rapid herbicide leaching in agricultural as well as non - agricultural weed control situations .

apparatus for continuously producing seals in tube - shaped plastics film material , comprising means for supplying the web of material , at least one heating beam travelling along with the web and subsequently returning , means for keeping the web mechanically tension - free at the location where it is warm , means for keeping the heated film layers one against the other up to a pressing station , said pressing station comprising two rollers at least one of which is provided with cooling means , and means for discharging the web . a plurality of heating beams being provided which are interconnected by flexible and longitudinally adjustable means such as belts so as to form an endless loop which is guided over and driven by appropriate adjustable tensioning rollers .

a bag having an inwardly disposed seam is manufactured from a sheet of plastic bag material having two major surfaces and two parallel side edges . a first seam seals the two parallel side edges together at the same major surface with the side edges disposed inwardly of the tube to form the sheet of plastic bag material into a tube with internal flap portions extending interiorly of the tube . at least one seal across the tube is provided for forming at least a three - sided bag structure whereby pressure in the interior of the bag acts against the internal flap portions disposed inwardly of the tube to enhance the sealing of the seam . the bag is filled at an opening defined along the opposite side edges of the seam facing inwardly of the tube .

a package containing a stack of wet wipes moistened with aqueous lotion is disclosed . the package comprises a polymeric film wrap , the film wrap comprising a laminate with an inner layer of a first polymer and an outer layer of a second polymer , and a surface bearing scoring along a path defining a substantially closed shape , the scoring at least partially penetrating the outer layer and not entirely penetrating the inner layer .

the present invention is directed to a method for producing a reinforced rubber component , comprising the steps of : melt spinning a thermoplastic polymer to produce a first stage monofilament ; immediately after the step of melt spinning , quenching the first stage monofilament in at least one liquid comprising an adhesive to produce a second stage monofilament having said adhesive dispersed on a surface thereof ; after said quenching , subjecting the second stage monofilament to at least one additional step selected from the group consisting of drying , drawing , heat treating , and surface treating to produce a 2000 to 10 , 000 decitex monofilament ; and contacting the 2000 to 10 , 0000 decitex monofilament with a rubber composition to form a reinforced rubber component .

provided is a method for preparing vinyl chloride with acetylene and dichlorethane for large - scale industrial production . acetylene , dichlorethane vapor and hydrogen chloride gas at a molar ratio of 1 :: are mixed ; the raw mixed gas is preheated ; the preheated raw mixed gas passes through a reactor containing a catalyst and reacts ; the resultant mixed gas is cooled to 30 - 50 ° c . and pressurized to 0 . 4 - 1 . 0 mpa , and then cooled to ambient temperature , and further frozen to − 25 - 15 ° c . for liquefaction isolation , and unliquefied gas is recycled and reused ; liquefied liquid is sent to a rectifying tower for rectification , and vinyl chloride monomers meeting polymerization requirements are obtained . the present invention has the advantages of eliminating mercury contamination completely , simplifying the reactor structure , recycling hydrogen chloride and acetylene , reducing waterwash process , avoiding mass production of waste acid and improving utilization of chlorine .

a silver nanocomposite , a formation method for forming the silver nanocomposite , and an application method utilizing the silver nanocomposite . the silver nanocomposite includes a silver nanoparticle conjugated to a glycosaminoglycan or glucose . the formation method includes chemically reacting silver nitrate with a reducing agent to form a silver nanoparticle conjugated to the reducing agent of a gag or glucose . the application method may include topically applying the silver nanocomposite to a wound or burn as an anti - microbial with respect to an antibiotic - resistant genotype in the wound or burn , wherein the silver nanocomposite topically applied includes the silver nanoparticle conjugated to the gag of 2 , 6 - diaminopyridinyl heparin or hyaluronan . the application method may include applying the silver nanocomposite as a coating to plastic , a catheter , or a surgical tool , wherein the silver nanocomposite applied as the coating includes the silver nanoparticle conjugated to the gag of daphp .

the present invention provides an effective method for the transfection of dendritic cells by non - viral methods . the present invention provides this benefit by incubating dendritic cells and a specified transfection agent . the transfection agent comprises a polynucleotide and microparticles , with the microparticles being comprised of biodegradable polymer and cationic detergent . the dendritic cells and transfection agent are incubated for a time sufficient to transfect the dendritic cells with the polynucleotide .

a method that enables a thermoplastic pipe in a partial or complete bellows - form , preferably having connecting elements such as clip , bracket , etc . thereon to be manufactured in a single process .

reusable quick - release fastener systems include fasteners composed of a neat polymer such as an elastomer or a shape memory polymer . the fasteners may be of any number of geometrical shapes , with each pair of fastening devices having mating geometries that are compatible with one another . the fastening devices provide an easy and nearly silent closure mechanism . the fastener systems can be used to attach one part to another or to act as the closure mechanism for an article comprising the fastener system , such as a pocket , a box , or a container , for example .

a composite fabric for use in reinforcement of cementitious boards and similar prefabricated building wall panels . the fabric includes an open mesh first component of continuously coated , high modulus of elasticity strands and a nonwoven second component fabricated from alkali resistant thermoplastic material . the high modulus strands of the first component are preferably bundled glass fibers encapsulated by alkali and water resistant thermoplastic material . the composite fabric also has suitable physical characteristics for embedment within the cement matrix of the panels or boards closely adjacent the opposed faces thereof . the reinforcement provides long - lasting , high strength tensile reinforcement and impact resistance for the panels or boards . the reinforcement also enables the boards to have smooth outer faces suitable for painting , papering , tiling or other finishing treatment . included as part of the invention are methods for making the reinforcement , cementitious boards and panels including the reinforcement , and methods for manufacturing such boards and panels .

an applicator for dispensing adhesive material includes a quenched foam material , provided so that the adhesive material comes in contact with the quenched foam material . thus , polymerization of the adhesive material is initiated in the absence of additional polymerization initiators . in addition , the applicator is configured to permit improved control and economy in application of the adhesive .

a process for inhibiting symptoms of a subject with celiac disease is provided that includes administration of monoclonal -, or polyclonal -, monomeric , dimeric , or polymeric iga . joining secretory component to the iga limits oral administration degradation . formulating agents are mixed with the monomeric , dimeric , or polymeric iga to yield a dosing form of a capsule , tablet , and a suppository . the therapeutic is amenable to enrobement directly through microencapsulation or the dosing form is coated with an enteric coating .

a biodegradable polymer is provided for use in providing syringeable , in - situ forming , solid biodegradable implants for animals . the polymer is placed into the animal in liquid form and cures to form the implant in - situ . a thermoplastic system to form said implant comprises the steps of dissolving a non - reactive polymer in biocompatible solvent to form a liquid , placing the liquid within the animal , and allowing the solvent to dissipate to produce the implant . an alternative , thermosetting system comprises mixing together effective amounts of a liquid acrylic ester terminated , biodegradable prepolymer and a curing agent , placing the liquid mixture within an animal and allowing the prepolymer to cure to form the implant . both systems provide a syringeable , solid biodegradable delivery system by the addition of an effective level of biologically active agent to the liquid before injection into the body .

the invention provides biodegradable crosslinked polymers , which have a chelating effect and a dispersing effect to disperse an oily substance and an inorganic substance hardly soluble in water and are excellent in dispersion into water . the crosslinked polymers comprise ; an ingredient of molecular weight 5 , 000 or less in 50 % by weight , a bond having at least one of a group represented by the chemical formula -- co -- o -- and a group represented by the chemical formula -- co -- nh -- as a composition unit between main chains having a water - soluble oligomer structure having the functional group represented by the general formula -- coom , and showing a viscosity of 1 , 000 cp or less at 20 ° c . by a 20 % by weight aqueous solution of the crosslinked polymer .

a polymer gel display , fabrication method and operating structure thereof . display is enabled by utilizing the flexing characteristic of a polymer - gel sheet . a pair of substrates is separated by a predetermined gap , and a polymer - gel sheet of a first color disposed therebetween , having two ends fixed , a center area flexible and contacting no more than one of the substrates . a fluid layer of a second color is disposed between the substrates , displaying its color via the substrate not contacting the polymer - gel sheet . an external electric field is applied to the polymer - gel sheet , flexing the polymer - gel sheet toward the substrate until making contact and the first color of the polymer - gel sheet is displayed via the substrate .

a process is disclosed for recycling of polyester used in the fabrication of molded plastic goods , such as films , carbonated beverage bottles and particularly waste poly bottle grade , manufacturing residues and other manufactured articles . the process comprises the alcoholysis of washed or cleaned , crushed or grinded pet in one step of reaction , with alcohols containing from 1 to 4 carbon atoms in their molecule , in an autoclave reactor capable to support pressures of about 10 mpa and operating temperatures in the range of 10 to 300 ° c . ; followed by one or several steps of reaction product purification such as crystallization and / or centrifugation and / or distillation . the alcoholysis reaction product is a dialkyl aromatic ester , which is recovered by filtration or centrifugation and depending on the alcohol used in the process the daae obtained are several industrial products such as dimethyl terephthalate , dibutyl terephthalate , etc . from the daae it is possible to obtain , through a transesterification reaction , plasticizers as dioctyl terephthalate and through a hydrolysis reaction , a pure terephthalic acid . from the process mother liquor it is possible to recover through distillation the pure process - alcohol and ethylene glycol and / or other different industrial glycols that were forming the pet molecules , and an industriallizable distillation residue .

a gas - free fluid chamber for pcr . the present invention relates to a device with a fluid chamber suitable for performing a polymerized chain reaction for gas - free filling . such devices may be used in the field of e . g . molecular diagnostics .

a built - in and process - adaptive formulation of antimicrobial commodity thermoplastic resins with mixed compositions comprising of a polymer , a backbone linker , and a non - labile antifouling and biocompatible coupling agent which is melt - processable and enabled to be manufactured into finished products in the form of solid , monolith , tube , composite , fiber , film , sheet and varnish without the prerequisite of biocides or antimicrobial additives is disclosed . the said formulation is adapted to thermoforming and thermal curing processes including but not limited to melt compounding , spinning , extrusion , molding , compression foaming and drawing . the antimicrobial property is attributed to the persistent formation of a non - stick bacteria - repellent tethered layer in which the antifouling component of the said formulation is heterogeneously phase separated and / or surface migrated to the surface after product forming in order to minimize adsorption and / or colonization of bacteria .

a sunshade production method and system for producing a sunshade for use with a sunroof of a vehicle with high efficiency and low cost . the production method includes the steps of : cutting one side of a thermoplastic resin plate to create a base member of the sunshade ; heating the base member to a predetermined temperature ; overlapping a bottom surface of the heated base member with a surface material in a manner that one end portion of the surface material is extended from an end surface of the base member , pressure - forming the base member and the surface material overlapped with one another at the same time ; wrapping the extended end portion of the surface material around the end surface of the base member ; and removing unwanted portions of the base member and the surface material to finalize the sunshade .

a fabricated cup or other container in which the sidewall is formed from a rectangular sheet - like blank of an oriented thermoplastic material , the blank having its ends joined to one another to form a cylindrical sleeve with a liquid - tight seam , the blank having a relatively high degree of orientation extending circumferentially of the sleeve , the fabrication of the sidewall from the sleeve being accomplished by telescoping the sleeve over a substantially cylindrical mandrel , by exposing the sleeve to heat to cause it to shrink into conformity with the external configuration of the mandrel and by completing the cup by pressing the bottom and forming a beaded rim . the apparatus for fabricating the container includes a mandrel carrying drum that revolves through a series of work stations that insert a sleeve of thermoplastic material on the mandrel , subjects it to softening heat which permits the sleeve to conform to the mandrel and protrude in part therefrom , presses the protruding material of the sleeve into a container bottom while substantially simultaneously forming a bead - like rim on the container and ejecting the completed container from the mandrel .

a closure system including a polymeric split ring clamp and a polymeric lid for a polymeric drum . to maintain the integrity of the closure , the lid rim region is formed having an annular restraining notch which cooperates with twist inhibiting blocking components formed within the interior of a cooperating inwardly opening polymeric split ring clamp . the blocking component may be provided as a sequence of regularly spaced block - like protuberances located within the inward upwardly disposed region of the ring clamp . a secondary closure arrangement is provided with the split ring clamp which receives a polymeric banding strap to prevent one end of the split ring from disengaging with an associated pivot arm . when the split ring clamp is in a fully open or pre - clamping mode orientation , a capture groove is formed with the ring pivot shaft formed at one end of the split ring clamp . this capture groove is aligned with and engages a corresponding capturing pawl formed at the opening of the ring pivot shaft receiving notch . to facilitate cleaning and re - use , a polymeric gasket is provided which is removably insertable within a seal retainer cavity located at the rim of the lid .

a synthetic coated surface product which includes a substrate , an interface layer which is a polymeric composition that has penetrated the substrate layer to a sufficient depth to inhibit delamination , and a layer of granules mixed with a polyester resin supported on the interface layer . the surface can be left as cured and unfinished for a rough finish , subsequently sanded to provide a matte finish , or after sanding , polished for a shiny finish .

a welding tip configuration for ultrasonically welding thermoplastic material includes a plate with conical projections extending from a planar surface thereof and reservoirs recessed below the planar surface and spaced from the projections . the reservoirs facilitate the displacement of molten material away from the conical projections .

an anchor for securement to a base having a transitory fluent stage includes a sheetlike segment with an interior zone having a depressed loop . the loop is pressed into a fluent area of the base with the fluent material flowing completely around the loop . upon solidification of the base , a secure interlock is achieved . a typical anchor may be a pin or other attachment finding for an article of decorative or functional ornamentation such as an identification badge , jewelry , or the like , with the article of ornamentation being formed of a thermoplastic .

the present embodiment relates to a plasticizer , which is fabricated by mixing monomers of biodegradable polymer with bio - molecules subsequently to deal the mixture with thermal treatment . the biodegradable material comprising the plasticizer has high melt index which is contributive for the processing of thermal processing , and the microwave - tolerance and water - resistance of the material makes the material suitable for food packaging .

an integral filter leaf assembly comprising microporous polymeric filter cloths heat - bonded to the apices of an undulating screen to form a strong unitary pressure resistant filter unit which essentially replaces filter leaf assemblies . the screen and felt sides of the filter cloths are preferably heat sealable thermoplastics , usually polypropylene to allow heat - bonding and heat - sealing of seams throughout for a unitary assembly strong in compression . outer filter coat is preferably porous expanded polytetrafluoroethylene . optionally , a circumferential stiff load - bearing frame may be enclosed within the assembly .

the invention relates to a device for laminating a layered structure , consisting of at least two plastic strips in sections , comprising successive panels with designs , for producing plastic cards along a conveyor path . said device comprises heating and cooling devices which are positioned one behind the other and consist of individual compression elements , located on a common support , whose temperature can be controlled and which accommodate a whole number of panels and a drive unit which displaces opposing compression belts which can be driven intermittently in a direction of transport and between which the plastic strips can be displaced in sections through the heating and cooling devices . the aim of the invention is to provide a device which permits the production of plastic cards with a higher laminate quality . to this end , the compression elements are mounted so that they can be displaced in the direction of the conveyor path against a restoring force which acts upon their initial position .

the present invention provides a method to separate and recover oils and recyclable plastic from plastic contaminated with oil . the invention utilizes the different solubility of oil in as liquid or supercritical fluid as compared to a gas to effect separation of the oil from the plastic .

an article which includes a layer of formable fabric of the type which when subjected to molding under heat and / or pressure possesses a high degree of stiffness . a layer of variable compression fabric capable of assuming variable thickness when subjected to molding under heat and / or pressure being bonded to the surface of the variable compression fabric , with said layers are made of the same thermoformable polymeric chemical substance .

the invention relates to a device for encapsulating a component with plastic material , comprising at least two tool parts , which in a closed arrangement for encapsulating the component form a receptacle for the component , an injection channel for supplying the liquefied plastic material to the region of the receptacle , and a single retaining element for positioning the component in the receptacle , wherein the retaining element can be moved in a first position for positioning the component in the receptacle and in a second position for preferably completely encapsulating the component with the plastic material . according to the invention , the retaining element holds the component in the region of the receptacle by means of form positive and / or clamping engagement .

a method for preparing a material for medical or veterinary use by uniformly mixing a thermoplastic polymer , preferably polyether etherketone , at least with tricalcium phosphate 2 ), and injection or extrusion moulding the resulting mixture under conditions suitable for converting the tricalcium phosphate into calcium hydroxyapatite . tite . the basic mixture preferably comprises a biocompatible metal oxide such as titanium dioxide . the resulting material is useful for making endosseous implants or bone prostheses .