baber/WOPTO huggingface dataset:
Patent CA-1329456-C (CA)
Inventor: HAYES DUANE J
IPC: D04H1/54
Filed: 1989-04-06
Granted: 1994-05-17
Abstract: ABSTRACT OF THE DISCLOSURE         This invention relates to bicomponent melt-bondable fibers, more particularly, such fibers suitable for use in nonwoven webs.  Bicomponent fibers are known to suffer from excessive thermal shrinkage. In web bonding, high shrinkage results in nonwovens uneven in density and lacking in uniformity of width and thickness. Buffing pads made of nonwoven fibers must be sufficiently uniform so that they do not mar the smooth finish of a floor when used thereon.  Because excessive thermal shrinkage causes curling and agglomerating of the fibers in the pad, fine abrasive particles that are typically added to the pad tend to become concentrated at the points where the fibers agglomerate, i.e., the junction points thereof.  This non-uniformity of abrasive distribution generally results in marring of floors during the cleaning and buffing thereof.          The present invention provides melt-bondable, bicomponent fibers suitable for use in nonwoven articles, said fibers having as a first component a polymer capable of forming fibers and as a second component a compatible blend of polymers capable of adhering to the surface of the first component.  The second component has a melting temperature at least 30°C below the melting temperature of the first component, but at least about 130°C.  The blend of polymers of the second component comprises a compatible mixture of at least a partially crystalline polymer and an amorphous polymer.  The fibers made according to this invention allow nonwoven webs prepared from these fibers to have a reduced level of shrinkage under conventional processing conditions. Accompanying this reduction in shrinkage is a reduction in curling or agglomerating of the individual bicomponent fibers, thereby providing a nonwoven web that will not mar smooth surfaces.
Patent CA-1310942-C (CA)
Title: Ground-air-water-craft
Inventor: PRUSZENSKI ANTHONY JR
IPC: B64C37/00
Filed: 1989-05-10
Granted: 1992-12-01
Abstract: ABSTRACT OF THE DISCLOSURE      A ground-air-water craft comprises a fuselage body with a passenger compartment mounted thereon, a box-type main wing connected to the fuselage and extending outwardly on both sides thereof, the main wing comprising an upper wing and a lower wing which are substantially horizontal and which have a total wing span in the range of 5 to 10 feet, as well as a right side member and a left side member, each side member extending substantially vertically and connected between the lateral ends of the upper and lower wings on the respective right and left sides of the craft.  The craft also comprises a control or canard wing connected to the fuselage and extending outwardly on both sides of the fuselage with a wing span no greater than 10 feet.  The craft also comprises front and rear wheels with balance wheels mounted therebetween, air propelling means which may constitute a propeller or a jet engine mounted on the craft, water propelling means driven by a hydraulic or electric drive motor, and fuel tanks mounted in the upper wing.  The control wing is pivotable about its longitudinal axis, and all of the wings have moveable control surfaces comprising flap means for controlling the lift as well as air spoiler means disposed on the upper surfaces thereof.  The front and rear wheels may be retractable and the body portion of the fuselage is water tight and includes a hydroplane bottom surface for a reduced resistance to water.
Patent CA-1304233-C (CA)
Title: Wall collector for steam turbine exhaust system
Inventor: SILVESTRI GEORGE J JR
IPC: F01D25/32
Filed: 1989-05-16
Granted: 1992-06-30
Abstract: 54,095 ABSTRACT      A method and apparatus for collection of water in a  steam turbine exhaust  system and in particular within a steam turbine exhaust pipe in which there is at least one turn or bend in the pipe and a plurality of substantially parallel turning vanes positioned in the bend for reducing undesirable flow characteristics in steam.  The turning vanes extend across the pipe transverse to the direction of steam flow and are attached at opposite ends to a vane support ring embedded in the pipe wall.   The invention includes forming a plurality of slots extending through the vane support ring for transporting water from within the pipe to an external location.   The slots are aligned  on  the  vane  support  ring  in  an  area corresponding to virtually zero pressure differential between each of the vanes and an adjacent vane.  The slots preferably extend from a trailing edge of one of the vanes along the line normal to a tangent line to an adjacent vane on the low pressure side of the vane.
Patent CA-1334433-C (CA)
Inventor: ROY CHRISTIAN
IPC: C09C1/48
Filed: 1989-05-19
Granted: 1995-02-14
Abstract: Commercially   valuable   chemicals    are separated  from  tire-derived  pyrolytic   oils   by subjecting the pyrolytic oils to a fractional distil-lation at a temperature of up to about 204°C under atmospheric pressure to isolate at least one commer-cially  valuable  chemical  selected  from  the  group consisting of paraffins,   naphthenes,   olefins and aromatics. Particularly valuable chemicals which can be  separated  from tire-derived pyrolytic  oils  are benzene,  toluene,  xylene,  styrene and dl-limonene.          The distillation fraction boiling above 204°C can be used  as  an  extension  oil  in  the  manufacture  of various rubber and plastic parts.  Also disclosed is an improved process for producing carbon black by vacuum pyrolysis of used rubber tires.
Patent CA-1318524-C (CA)
Title: Temperature measuring sensor arrangement
Inventor: SCHERTZ REINHART
IPC: G01K1/14
Filed: 1989-06-02
Granted: 1993-06-01
Abstract: Abstract temperature measuring sensor arrangement is described, which can be inserted into or removed from an enamelled built in part in a simple manner without a need for specific tools. A measuring insert with a  carrier is provided, along the length of which an outwardly protruding detent element in the form of a collar is provided, and from the lower end surface of which carrier one or several measuring sensors are protru-ding. The carrier is slidably arranged in a longitudinal direction in a guiding tube   and is biased downwardly by a spring engaging between the detent element and a shoulder in the guiding tube. A stop protruding from the inner wall of the guiding tube limits the displacement of the biased carrier. The guiding tube is fixedly mounted at the upper end protruding from the built in part by means of a wedge ring-screwed joint in the inserted position, in which the detent element is raised from the stop and the ends of the measuring sensors are pressed against a surface formed at the enamelled built in part over a thin walled bottom region. The bottom region is provided with an upwardly extending conical enlargement for the insert end of the guiding tube. Pre-ferably the thin walled bottom region is provided with a coating out of silver.
Patent CA-1328553-C (CA)
Title: Coextruded synthetic resin structures and a process for their manufacture
Inventor: HAEMHOUTS PAUL D M
IPC: B29C48/11
Filed: 1989-06-05
Granted: 1994-04-19
Abstract: ABSTRACT            Extruded multilayer synthetic resin sheets are prepared wherein at least one coextruded removable layer is employed to maintain the concentration of exudable additive(s) (e.g., UV absorbant) at the sheet surface (after removal of said protective layer) and protect the production equipment from exuded amounts of such additives.  A further advantage of the present invention is the avoidance of a secondary lamination step wherein such a protective layer would be provided solely for the purpose of protecting the sheet surface during handling, shipping, and installation.
Patent CA-1338363-C (CA)
Title: Dimethylacrylamide-copolymer hydrogels with high oxygen permeability
Inventor: MUELLER KARL F
IPC: C08F220/22
Filed: 1989-06-30
Granted: 1996-05-28
Abstract: This invention describes polymers which are obtained by copolymerization of 15-85 wt % N,N-dimethylacrylamide with about 15-85 % of a fluorinated monomer such as perfluoroalkyl-alkylene acrylate or -methacrylate with from 3 to 25 fluorine-atoms and optionally, 0-50 wt % other acrylates or methacrylates and 0-20 wt %, but not more than 5 mol % of a polyvinyl functional crosslinking agent. These polymers are machinable in the dry state and form clear hydrogels with about 25-75 wt % water content and which possess oxygen-permeabilities 3-7 times higher than conventional hydrogels of similar water content. In the absence of crosslinking, the novel polymers are plasticized by water, forming clear hydroplastics with 30-70 wt % water content. The crosslinked polymers are especially useful for fabricating contact lenses for extended wear by either cutting and polishing a xerogel button, or by spin casting or direct molding in bulk or in solution.
Patent CA-1339722-C (CA)
Inventor: DEFREESE JAMES DOUGLAS
IPC: G01N35/00
Filed: 1989-08-02
Granted: 1998-03-17
Abstract: A semi-automated biological sample analyzer and subsystems are provided to simultaneously perform a plurality of enzyme immuno assays for himan IgE class antibodies specific to a panel of preselected allergens in each of a plurality of biological samples.  A carousel is provided to position and hold a plurality of reaction cartridges.  Each reaction cartridge includes a plurality of isolated test sites formed in a two dimensional array in a solid phase binding layer contained within a reaction well which is adapted to contained a biological sample to be assayed.  The carousel and cartridges contain structures which cooperate to precisely position the cartridges in each of three separate dimensions so that each cartridge is positioned uniformly.  An optical reader operating on a principle of diffuse reflectance is provided to read the results of the assays from each test site of each cartridge.  Also provided is a subsystem which provides predetermined lot-specific assay calibration data which is useful for normalizing the results of various assays with respect to predetermined common standard values.
Patent CA-1338497-C (CA)
Title: Latent polymerization initiator composition that is activated, after a delay time, by contact with air, and uses of such compositions
Inventor: HUVER THOMAS
IPC: C09D157/00
Filed: 1989-08-31
Granted: 1996-07-30
Abstract: Radical polymerizations are initiated by a combination initiator that comprises -    N-alkyl-substituted  tert-arylamines  containing  at least one aliphatic CH bond in the .alpha.-position; -    metal compounds that are at least partly soluble in the material to be initiated and that accelerate the drying of unsaturated oils; and -    carboxylic acids having pKa values of no less than about 0.9 and is activated upon contact with oxygen from the air. Polymerizable  mixtures  containing  such  a  combination initiator  may  usefully  be  formulated  as  one  part  of multiple  part  adhesives,   surface  coatings,   molding compounds,  and the like that are storage stable in the absence  of  air,  or  even  in  the  presence  of  air  if formulated in at least two parts, with one of the above three parts of the initiator combination missing from each part.
Patent CA-1341047-C (CA)
Title: 4-(n-benzyl-n-methylamino) pyridine acid salts and use in preparation of polymer-supported catalysts
Inventor: KEAY JAMES G
IPC: C08F212/14
Filed: 1989-09-20
Granted: 2000-07-04
Abstract: A cross-linked polymer-supported 4-(N-benzyl-N-methylamino) pyridine material and process for its preparation in high yield and having effective physical and catalytic properties. The polymer-supported catalyst is characterized by the suspension copolymerization of an organic phase containing the corresponding vinyl-substituted pyridine monomer, a styrene monomer, and a suitable cross-linking agent and free radical-generating catalyst in the presence of an aqueous phase containing a cellulose ether derivative as the stabilizing agent. A purified acid salt of the vinyl-substituted pyridine monomer useful in polymerizations and stable for storage as either a solid or an aqueous solution.
Patent CA-1332035-C (CA)
Inventor: BOSTER CLARK S
IPC: F01D1/02
Filed: 1992-11-17
Granted: 1994-09-20
Abstract: ABSTRACT OF THE DISCLOSURE          The present invention is directed to improvements in a pump of the type having a shaft seal in a seal chamber supplied with seal injection water.  The invention involves a support member having an annular recess therein, a single inlet through the support member at one location for the passage of seal injection water into the recess,  and an annular injection water distributor ring in the recess.  The ring has a plurality of outlets therethrough for the passage of and distribution of water flowing through the inlet into the recess and thereafter into the seal chamber.
Patent DK-155817-C (DK)
Inventor: AMOS WALTER
IPC: A46D1/00
Filed: 1986-09-18
Granted: 1989-11-13
Abstract: The present invention relates to a method for rounding the bristle tips of toothbrushes by the action of laser radiation, characterized in that the rounding process is effected in an electrostatic field, thus avoiding the fusion of the individual bristles as well as the formation of a mushroom-like bristle tip.
Patent DK-151836-C (DK)
Inventor: CHIELENS ALAIN
IPC: F27B7/20
Filed: 1979-12-06
Granted: 1988-06-27
Abstract: This invention concerns a system for the protection of the delivery end of a rotary kiln. This system is characterized by the fact that it consists of a refractory concrete ring covering the internal surface of the end of the kiln shell and the front surface of a flange attached to the outside of the end of the shell, the ring being fastened to the shell and the flange by anchorage units fixed on them. The invention can be used in the cement production and minerals processing industries.
Patent DK-156679-C (DK)
Inventor: KEYZER WILLEM G
IPC: F28F9/02
Filed: 1984-11-09
Granted: 1990-02-12
Abstract: @ A radiator comprising a pipe block having channels for passing a fluid to be cooled with the aid of air flowing around the channels and with fluid collecting casings arranged near the ends ofthe pipe block, in which the pipe block or the water casing has an at least substantially U-section continuous groove and the water casing or the pipe block respectively is provided with a continuous fixing rim fitting in the U-section groove with the interposition of a resilient gasket, whilst a limb bounding the U-section groove has holes for receiving guard members, with the aid of which the pipe block and the water casing can be fastened to one another, a guard member being formed by a strip-shaped part and fingers adjoining the strip-shaped part and being transverse of the strip-shaped part, said fingers being passed through the holes in the limb bounding the U-section groove and engaging the fixing rim.
Patent FI-66245-C (FI)
Inventor: GUZZI GUENTER
IPC: F16L33/22
Filed: 1976-03-26
Granted: 1984-09-10
Abstract: A method of securing a flange ferrule to the end of a flexible tube having an exterior diameter slightly smaller than the interior diameter of the ferrule, comprises positioning the flange ferrule over the end of the flexible tube and aligning the flange at the end of the ferrule with the end of the tube, placing a flange clamp bushing which has an outer diameter smaller than the inside diameter of the tube into the tube and aligning a flange of the clamp bushing with the flange of the ferrule and, thereafter, expanding the clamp bushing outwardly into engagement with the wall of the tube. Before the outward expansion of the clamp bushing is effected, the clamp bushing and the ferrule are positioned in a matrix which has a receiving cavity with an outline conforming to the flange ferrule and the tube end and the clamp bushing. After the assembly is held in the matrix, a flaring tool or expander is inserted into the bore of the clamp bushing in order to expand the clamp bushing outwardly into the wall of the tube. A flexible tube fitment, comprises the flange ferrule and the flange clamping bushing which has its flange interengaged over the flange of the ferrule and which is forced into engagement with the wall of the tube. Advantageously, an elastically deformable material or bonding material is inserted between the end of the tube and the flange of the clamp bushing. The clamp bushing may be of a length equal to, less than, or greater than, the outside flange ferrule.
Patent FI-80181-C (FI)
Inventor: FLING RUSSELL THOMAS
IPC: H04N5/14
Filed: 1986-03-18
Granted: 1990-04-10
Abstract: A pix-in-pix display includes a filtering system for processing the video signals which produce the reduced-size image. The filtering system includes an anti-aliasing filter - (210) which reduces the amplitude of the components of the video signals which may cause aliasing distortion when the image is subsampled. However, the filter passes substantial amounts of these components. The filtered video signal is subsampled (212) and applied to a peaking filter (220) which amplifies the band of frequencies containing the aliasing components relative to lower frequency bands to improve the appearance of detailed portions of the reproduced image.
Patent FI-97215-C (FI)
Inventor: VAN STRAATEN JOHANNES C
IPC: B66B1/14
Filed: 1989-10-27
Granted: 1996-11-11
Abstract: In a group of elevators with double cars, the assignment of such double cars to floor calls takes place at scanner positions  alpha in two procedural steps, according to two parameters: primarily by assignment of the individual cars of all double cars by logical decision, according to a criteria chain (KK), and subsidiarily by assignment of the double cars according to the minimal loss time of all involved passengers. The individual elevators each have a microcomputer system with a calculating device and are connected with each other by way of a comparator circuit to form a group control. The optimal individual cars are assigned for each elevator by floor in the associated individual car/call assignment memories. The optimal double car is selected by comparison of the loss times of all elevators calculated as the total operating costs Kg ( alpha ) and is assigned to the respective floor in the associated double car/call assignment memory. For the total servicing costs Kg ( alpha ), a special cost calculating algorithm is provided. With the separate assignment of individual cars and double cars, this group control renders possible a complete utilization of the double car functions as well as a good matching to different operating and traffic conditions. At the same time, the minimal waiting time of the passengers is optimized.
Patent FI-95030-C (FI)
Inventor: LEE THOMAS BING KIN
IPC: C07D209/34
Filed: 1990-09-17
Granted: 1995-12-11
Abstract: A process for chemically resolving a mixture of enantiomers of primary amines, such as enantiomers of 1,3-dimethyl-5-methoxyoxindolylethylamine, provides one of the enantiomers in the form of a tartaric acid salt. In carrying out the process, an enantiomeric mixture is contacted with a chiral acid in an amount sufficient to preferentially precipitate a salt of the chiral acid and one of the enantiomers. The resulting precipitate can then be recovered. The chiral acid is selected from the group consisting of dibenzoyl-D-tartaric acid, dibenzoyl-L-tartaric acid, ditoluoyl-D-tartaric acid, and ditoluoyl-L-tartaric acid. The precipitates can be used in the synthesis of stereospecific forms of physostigmine.
Patent FI-99119-C (FI)
Inventor: MEHALLA HACENE
IPC: C08L23/16
Filed: 1991-06-25
Granted: 1997-10-10
Abstract: PCT No. PCT/FR90/00801 Sec. 371 Date Jul. 29, 1991 Sec. 102(e) Date Jul. 29, 1991 PCT Filed Nov. 8, 1990 PCT Pub. No. WO91/07447 PCT Pub. Date May 30, 1991.Polyolefin rubber which is an ethylene/propylene and/or 1-butene copolymer, which has a melt index of 0.3 to 15 dg/min and a relative density of 0.860 to 0.885, comprising 74-91 mol % of units derived from ethylene and 9-26 mol % of units derived from propylene and/or from 1-butene, characterised by a crystalline melting point J of 100 DEG  to 125 DEG  C. The process for obtaining this rubber consists in copolymerising, at a temperature of 150 DEG -300 DEG  C. and at a pressure of 400-2000 bars, a gas stream containing 15-42% by vol. of ethylene and 58-85% by vol. of propylene and/or 1-butene, in the presence of a Ziegler-type catalyst system comprising at least one compound of a transition metal of groups IVB, VB, VIB and VIII of the Periodic Classification, and at least one organoaluminium compound and, if appropriate, in the presence of at least one chain transfer agent. Manufacture of articles such as seals, shoe components, flexible tubing, damping components, profiles for buildings and motor vehicles, and the like.
Patent NL-94086-C (NL)
IPC: F16J15/34
Abstract: 727,135. Stuffing-box substitutes. LAUTERWASSER, K., and LORENZ, A. June 5, 1951 [May 11, 1951], No. 13331/51. Class 122 (5). A shaft seal comprises radially inner and outer annular portions 5, 6 interconnected by a flexible membrane 7, one of the portions having a side face urged into rubbing contact with a part to be sealed by a plate type spring completely embedded in the membrane and in at least one of the annular portions and being substantially parallel to the side face of the seal remote from its sealing face. The spring consists of a flat ring 15 with tongues 16 extending radially inwardly therefrom, the ring 15 being embedded in the outer portion 5 clamped between a stationary ball-race 3 and the shaft housing 2, and the tongues 16 extending into the member 7 and the inner portion 6 which is thereby urged into sealing contact with the rotary ball-race 3<SP>1</SP>. The outer portion 5 and the membrane 7 are of rubber and the inner portion is of rigid self-lubricating material, e.g. artificial resin with graphite admixture.
Patent NO-150578-C (NO)
Inventor: BILLARD ALAIN ANDRE ARISTIDE
IPC: F42C15/24
Filed: 1981-09-02
Abstract: This invention relates to the safety of ammunitions. The projectile of a cartridge has a base which houses a safety stop consisting of a transversely slidable valve. A device ensures that the valve cannot be released until the projectile has been subjected to a powerful acceleration. Another safety device very advantageously ensures that the pyrotechnical chain inserted in the base functions only when the pressure of the ejection charge has been able to release a sealing-block. In particular, the invention may be applied to infra red window releasing cartridges.
Patent NO-167259-C (NO)
Inventor: LAVIE RAM
IPC: F24F12/00
Filed: 1985-06-07
Abstract: The present invention relates to a method for carrying out simultaneous heat and mass exchange operations between two input streams, where a gradient of at least 30 degrees C. exists between the streams, each stream containing at least two components. According to the invention, the two streams are introduced into a reactor containing a solid or liquid adsorbent material, which retains at least one component preferentially to the other components. The adsorbancy power of the component by the adsorbent material is higher at lower temperatures than at high temperatures. A stream results from the reactor in which the diluted component becomes more concentrated in respect to the input stream. The equilibrium concentration of the adsorbable species in the adsorbent, at the conditions of the colder stream, is higher by at least 0.01 g adsorbed species per g adsorbent than that prevailing at the conditions of the hot feed. The method is applicable to a number of processes such as gas purification, distillation, process-air drying, air conditioning, air enrichment and internal combustion engines. The method imparts appreciable savings in energy requirements and improved mass transfer efficiency for processes wherein heat and mass exchange operations are involved.