baber/WOPTO huggingface dataset:
Patent CA-2011457-A1 (CA)
IPC: G05D23/13
Filed: 1990-03-05
Abstract: A valve for proportioning hot and cold water flow in response to the pressure balance between the hot and cold water supply lines includes a piston which adjusts position in response to variation in the pressure ratio of the hot and cold water supplied to the valve, thereby maintaining a uniform temperature of the water delivered by the valve.          Provision is made for preventing leakage of the respective hot and cold fluids within the valve, and for preventing "hammer" during operation of the valve.
Patent CA-2013298-A1 (CA)
Inventor: STICKEL HEINZ
IPC: H05K7/14
Filed: 1990-03-29
Abstract: ABSTRACT OF THE DISCLOSURE    Apparatus for guiding and holding printed circuit boards.  For length and thickness compensation of printed circuit boards subject to length and thickness variations, the apparatus for guiding and holding printed circuit boards is essentially composed of a U-shaped rail having legs proceeding parallel to one another.  The legs are oppositely corrugated along the rail.  The legs are thereby fashioned such that the gap formed by them has a respective antinode at the rail ends.  The legs are thereby connected only at the leg ends and at least at one of the antinodes lying therebetween, being connected by connecting webs that have retainer elements directed outward in the direction of the legs that may potentially be in an interactive connection with spring tongues.
Patent CA-2014043-A1 (CA)
Title: Procede de deshalogenation d'acides carboxyliques alphahalogenes
Inventor: CORREIA YVES
IPC: B01J27/02
Filed: 1990-04-06
Abstract: L'invention concerne un procédé de deshalogénation d'acides carboxyliques alphahalogénés par l'hydrogène en présence d'un catalyseur à base d'un métal précieux du groupe VIII et de soufre ou de composés du soufre ajoutés à l'état de traces jusqu'à 1 g par kg d'acide ou du mélange contenant les acides à hydrogéner, la quantité étant exprimé en soufre. L'invention est particulièrement utile pour éliminer l'acide dichloracétique contenu dans l'acide monochloracétique.
Patent CA-2014603-A1 (CA)
Title: Composition and process for inflating a safety crash bag
Inventor: POOLE DONALD R
IPC: B60R21/30
Filed: 1990-04-12
Abstract: ABSTRACT           Composition  and  process for  inflating  an automobile  or  aircraft  safety  crash  bag  comprising igniting at  elevated pressure  a pyrotechnic material comprising at least one tetrazole or triazole compound containing hydrogen in the molecule, at least one oxygen containing oxidizer compound,  and at least one metal oxide to generate a gas which is admixed with air by means of an aspirating venturi and thereafter utilized to inflate the crash bag.
Patent CA-2016538-A1 (CA)
IPC: B44D5/00
Filed: 1990-05-11
Abstract: ABSTRACT OF THE DISCLOSURE      A patterned metallized film comprises a transparent or translucent polymeric film coated on one side with a thin coating of metal, with the metal coating and the polymeric film being bonded to each other.  The metal coating has a multiplicity of fractures of different sizes distributed throughout the coating in a prescribed pattern so that the reflection of light by the fractured metal coating produces a three-dimensional  illusion of the pattern when viewed through said polymeric film.   The film may also include a layer of adhesive on the opposite side of the metal coating from the polymeric film, and a paper backing sheet on the opposite side of the adhesive layer from the metal coating.          The fractures are preferably formed by heating the metallized film non-uniformly so that selected areas of the film expand and soften at a rate different from the rate at which other areas of said film expand and soften.  The different rates of expansion and softening produce multiple fractures in the metal coating between the selected areas and the other areas, whereby the fractures replicate the desired pattern.
Patent CA-2016730-A1 (CA)
Title: Grinding Wheel for Producing Internal Profilings
Inventor: LORENZ MANFRED
IPC: B23F23/12
Filed: 1990-05-14
Abstract: A  grinding  wheel  for  producing  internal profilings is provided.  A grinding disk is disposed at the front end of a rod-like grinding machine arm at the respective angle of slope of the internal profiling that is to be produced.  The grinding disk is adapted to be driven by a drive shaft, which is disposed at the other end of the arm, via a drive that extends through the arm. In order, with a simple construction and the use of a disk having a profile that corresponds to the internal profiling that is to be produced, to make it possible to set the grinding disk to the respective angle of slope of the internal profiling that is to be produced, the drive includes a belt that is disposed in the arm and that via respective belt pulleys connects the drive shaft with an intermediate shaft mounted in the front end of the arm.  The grinding disk is disposed on a spindle that can be driven by the intermediate shaft via a pair of gear wheels and that, via its bearings, is mounted on the arm in such a way as to be pivotable about the center point of  the  gear  wheel  that  is  disposed  on  the intermediate shaft.
Patent CA-2020782-A1 (CA)
Inventor: LEHNER HEINZ
IPC: H01J29/82
Filed: 1990-07-10
Abstract: A support device for a deflection unit (10) for a picture tube comprises pins (17) which in a longitudinal direction carry a thread (19) over part of their circumferences.      The pins run in guide bores, which are constructed so as to exhibit a recess of not less than the angular circumference of the thread. Each pin is at first so aligned in relation to the associated guide bore that the thread runs in the above-mentioned recess. In this position (after the deflection unit has been aligned), each pin is pushed until it contacts the tube cone (18.K). Then each pin is turned by 90°, thus ensuring that the above-mentioned thread cuts into the non-recessed wall of the guide bore. This ensures that each pin is fixed in position, and simultaneously, due to the lead of the thread, a tension is set between deflection unit and tube. The support device thus constructed has the advantage that the tension force between deflection unit and tube cone can be set precisely.      This avoids the optimum setting be lost due to different tension forces acting at the locations of the different support elements, as was the case when conventional support elements were used.
Patent CA-2023837-A1 (CA)
IPC: B22F3/20
Filed: 1990-08-23
Abstract: L'invention  concerne  des  alliages  de  magnésium  à  haute  résistance mécanique et un procédé de production de ces alliages par solidification rapide et consolidation par filage dépassant généralement 400 MPa,  voire 500 MPa, un allongement à la rupture généralement d'au moins  5%,  une composition  chimique pondérale comprise dans les limites suivantes:            Aluminium   2-11% Zinc        0-12% Manganèse   0-1% Calcium     0,5-7% Terres-Rares 0,1-4%   avec des  impuretés principales et le  reste  étant  du  magnésium,  leur structure étant constituée de grains de dimension moyenne  inférieure  à 3 µm   et  de composés  intermétalliques  de  taille  inférieure  à  2  µm précipités aux joints de grains.
Patent CA-2024687-A1 (CA)
Title: Radiation-curable silicone elastomers and pressure sensitive adhesives
Inventor: MAZUREK MIECZYSLAW H
IPC: C09J7/38
Filed: 1990-09-05
Abstract: ABSTRACT OF THE INVENTION         A composition which is curable to an elastomer comprising:          A polymer or mixture of polymers of the formula                 I   wherein: X are monovalent moieties having ethylenic unsaturation which can be the same or different;          Y are divalent linking groups which can be the same or different;          m is an integer of 0 to 1; D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl;          R are divalent hydrocarbon groups which can be the same or different;          R1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl;          R2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl;          R4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and n is an integer of about 270 to about 1000.      A composition which is curable to a pressure sensitive adhesive comprising the above polymer and a sufficient amount of tackifier.  The invention also relates to fluorosilane compounds useful in the preparation of silicone macromonomer, their preparation and the preparation of silicone macromonomer.
Patent CA-2024902-A1 (CA)
Title: Enhanced production of propylene from higher hydrocarbons
Inventor: LEYSHON DAVID W
IPC: C07C6/04
Filed: 1990-09-07
Abstract: The present invention provides a process for the preparation of propylene from C4 or higher feed by a combination of cracking and metathesis wherein higher hydrocarbon is cracked to form ethylene and propylene and at least a portion of the ethylene is metathesized to propylene.
Patent CA-2027063-A1 (CA)
Title: Biologically degradable plant cover film and method of preparing same
Inventor: SUOMINEN HANNU L
IPC: C08J5/18
Filed: 1990-10-05
Abstract: ABSTRACT OF THE DISCLOSURE          A biologically degradable film is prepared consisting of a synthetic polymer and a biologically degradable polymer.  The biologically degradable polymer is divided into small particles by means of enzymes produced by microbes in the form of spores, which enzymes split and release small molecules from the surface of the biopolymer particles.  After achieving desired particle size, an emulsion is formed with vegetable oil and particles coated with enzyme protein become coated with vegetable oil, which at the same time interrupts the degradation of the biopolymer particles by the enzyme. The coated particles with the oil is separated from the suspension to remove small molecules after which the particles are redried and then pulverized.  The final film is prepared in a film extruder in which the biopolymer is mixed with the synthetic polymer and possibly with other additives that are generally used in forming polymer films.  The invention also relates to the films produced by the method, which films contain microbes in the form of spores.
Patent CA-2027697-A1 (CA)
Title: Organosilicon materials
Inventor: BARD JOHN K
IPC: H05K1/03
Filed: 1990-10-15
Abstract: A crosslinkable organosilicon prepolymer and a crosslinked organosilicon polymer comprising alternating hydrocarbon and cyclic polysiloxane radicals, which is the hydrosilation reaction product of: (a) at least one polyene having at least two non-aromatic, non-conjugated carbon-carbon double bonds highly reactive in hydrosilation, the carbon-carbon double bonds being either in an alpha, beta or gamma position on a linear carbon moiety, next to two bridgehead positions in a strained polycyclic aliphatic ring structure, or in a cyclobutene ring, other than polycyclic polyenes having two reactive double bonds in a fused ring system; (b) at least one polycyclic polyene having at least two chemically distinguishable non-aromatic, non-conjugated carbon-carbon double bonds in its rings; (c) at least one cyclic polysiloxane containing three or more =SiH groups.
Patent CA-2029761-A1 (CA)
Title: Dual source intravenous administration set having an intravenous pump
Inventor: FAIRCHILD MICHAEL S
IPC: A61M39/00
Filed: 1990-11-13
Abstract: The present invention provides an intravenous administration set 10 having a primary container 22 and a secondary container 24, each containing fluid, and a pump 20.      The primary container 22 and secondary container 24 are joined into a single flow path by a Y-site 50. A check valve 42 is provided between the primary container 22 and the Y-site 50. A fluid capacitor 60 is provided on the single flow path between the Y-site 50 and the pump 20 to replenish displaced fluid in the pump 20.
Patent CA-2031270-A1 (CA)
Title: Liner wear insert for vertical shaft impactor rotor
Inventor: BECHLER DAVID J
IPC: B02C13/18
Filed: 1990-11-30
Abstract: ABSTRACT OF THE INVENTION           A liner wear plate for a vertical shaft impactor rotor includes at least one wear resistant insert disposed in the liner along a path of wear formed by particulate material passed through said rotor for comminution.
Patent CA-2031361-A1 (CA)
Inventor: KOVACS BELA V
IPC: C21D1/44
Filed: 1990-12-03
Abstract: A method for producing a selectively surface hardened cast iron part includes uniformly heating the surface of the part by immersion into a molten metallic bath until a desired thickness of surface austenite is produced, and thereafter quenching the heated cast iron part in a liquid quenching bath which is maintained at a temperature of between about 450 to about 800°F for about 10 minutes to about 4 hours.  The resultant selectively surface hardened cast iron part is surface hardened with the bulk of the body of the part remaining untempered.  An apparatus for performing this process includes a molten metal bath chamber for containing the molten metal and a molten salt bath quenching chamber for quenching the cast iron parts with a conveyor means extending between the molten metal bath and the molten salt bath chambers.  A second conveyor means removes the parts from the molten salt bath chamber.
Patent CA-2032780-A1 (CA)
Inventor: GUILLET ANTOINE
IPC: C08J5/08
Filed: 1990-12-20
Abstract: A glass fiber-reinforced composite material is produced by treating glass fibers with a silane composition comprising silane molecules having amine functional groups and silane molecules having ethylenically-unsaturated functional groups; admixing the treated glass fibers with a polyolefin resin, and a fiber bonding agent comprising a polymerizable unsaturated organic compound having at least two polymerizable unsaturation groups, a vinyl-polymerizable unsaturated, hydrolyzable silane, and a free radical generator, and exposing the resultant mixture to conditions of temperature and pressure sufficient to cause the formation of a glass fiber-reinforced composite material. The use of the silane composition promotes improved impact strength of the composite.
Patent CA-2033345-A1 (CA)
Inventor: SIBBERTSEN WALTER
IPC: F01N3/28
Filed: 1990-05-30
Abstract: The invention relates to a device for removing soot particles from exhaust gases of a diesel engine. To this end, the exhaust pipe of the diesel engine is connected to a cyclone tube into which the exhaust gases of the diesel engine flow tangentially. The exhaust gases expand adiabatically as they flow through a diaphragm in the region of the exhaust gas inlet, and are cooled in the process. The exhaust gases swirl helically in the cyclone tube, and the temperature is raised by approximately 100° C, i.e. incoming gases at a temperature of approximately 500° C are heated to approximately 600° C.  This temperature is sufficient for combustion of the soot particles inside the pipe. The exhaust gases leaving the hot end are therefore practically free from soot particles.
Patent CA-2037072-A1 (CA)
Inventor: ST CHARLES FRANK K
IPC: B65D5/56
Filed: 1991-02-26
Abstract: A paper sheet or paperboard, such as boxboard,  cardboard and the like has one surface coated with a surfactant to prevent, or  at  least  retard the  penetration Or moisture through  the thickness of the paperboard to the other surface thereof.   A method  of making  a  paper sheet  or  paperboard  which  has  an improved resistance to or retards the penetration of moisture through  the  thickness  of  the  paperboard  comprises  the sequential steps of applying a thin coating of a surfactant to one  surface  of  the  paperboard,  and  immediately  drying  the coated surfactant on the paperboard.
Patent CA-2041039-A1 (CA)
Title: Method to detoxify sewage sludge
Inventor: RASMUSSEN HANS W
IPC: C02F101/20
Filed: 1991-04-23
Abstract: ABSTRACT    A method to detoxify municipal sewage sludge con-taining heavy metals comprises the steps of mixing sewage sludge, at least one catalytic oxidant such as a ferric salt, at least one regenerative oxidant and an acid to form a reacting slurry having a solids fraction and a liquid fraction and, after a suitable retention time, separating the solids fraction from the liquid fraction.  The reacting slurry is maintained during its retention time at a pH range between approximately 1.0 to 2.0 and at an oxidation reduction potential of, at least, +400 millivolts.   The heavy metals originally absorbed into the solids fraction of the sewage sludge solubilize into the liquid fraction of the reacting slurry.  Thereafter, the reacting slurry is discharged into a conventional solids/liquid separating device so that the metal-laden liquid fraction becomes separated from the solids fraction which is now substantially bar ren of heavy metals.  The solids fraction is neutral-ized to a pH prescribed by EPA regulations so that it can be  safely applied to agricultural  land as  a detoxified fertilizer and soil conditioner.
Patent CA-2041201-A1 (CA)
Title: Rotogravure printing media and methods of manufacturing a rotogravure printing device employing the media
Inventor: BRESSLER DAVID E
IPC: B41C1/045
Filed: 1991-04-25
Abstract: ABSTRACT OF THE DISCLOSURE     A printing medium or image carrier for application to a printing apparatus or substrate which comprises a plastic composition which is applied to a printing substrate to form a plastic coating covering the substrate, which plastic coating is engraved to provide a printing medium. Preferred plastic compositions are those including epoxide resins such as cycloaliphatic epoxide resins, reaction products of epichlorohydrin and bisphenol A, bisphenol A epoxy resins modified with cresol novolac(s), epoxy-novolac resins, and epoxy-novolac based vinyl esters.          The present invention provides for an effective rotogravure printing medium without the use and/or disposal of hazardous chemicals.
Patent CA-2041953-A1 (CA)
Title: Pharmaceutical use of benzocycloheptathiophene-carboxylic acid derivatives
Inventor: SEIBEL MARKUS J
IPC: A61K31/38
Filed: 1991-05-07
Abstract: ABSTRACT            .alpha.-[10-oxy-4H-benzo[4,5]cyclohepta[l,2-b]thiophen-4-ylidene] carboxylic acids, for example [10-methoxy-4H-benzo[4,5]-cyclophepta[l,2-b]thiophen-4-ylidene]-acetic acid, in particular its (Z)-isomer, their physiologically-hydro-lysable and -acceptable esters, as well as pharmaceutically acceptable salts thereof are useful in treating eosinophil accumulation/activation, and are suitable, e.g. for the treatment of obstructive and inflammatory airways desease, for example asthma, as well as other allergic and non-allergic disorders and conditions, for example eosinophil-related disorders of various type.
Patent CA-2044111-A1 (CA)
Title: Tension loaded composite rupture disk
Inventor: REYNOLDS JOHN W
IPC: F16K17/16
Filed: 1991-06-07
Abstract: A composite rupture disk includes a slit-slot, tension loaded disk having a plurality of circumferentially spaced radial slits (eg. six in number) that terminate before reaching the disk center, thereby defining an uncut disk central portion which can be sized to at least partially influence the disk burst pressure. A radial strap, spot welded at each end attaches respectively at its end to the disk central portion and to the disk periphery, thereby preventing a downstream flow of the central portion upon rupture.
Patent CA-2044619-A1 (CA)
Inventor: NAKAJIMA MASASHI
IPC: C07C45/66
Filed: 1990-11-15
Abstract: .beta.-hydroxyketones are prepared by reacting an aldehyde with acetone in the presence of perhydroisoindole or pyrrolidine and water. The resulting .beta.-hydroxyketone is further reacted in the presence of a solvent mixture to produce .alpha.,.beta.-unsaturated ketones.
Patent CA-2046355-A1 (CA)
IPC: H05K1/11
Filed: 1991-07-05
Abstract: LIQUID CRYSTAL DISPLAY                          ARSTRACT      A liquid crystal display comprises a display section and a tape-like member which includes a mounted driver IC for driving the display.  Wiring means connect the display section and a number of connection electrodes formed on the tape-like  member.    The  space  between  the  respective connection electrodes is progressively enlarged from the center to each end.   The  space between these connection electrodes is further defined so that the electrodes are divided into predetermined  groups.   In each groups,  the minimum  wiring  pitch  at  each  wiring  is  within  a  set allowance value.
Patent CA-2047668-A1 (CA)
Title: Ski-box attachment
Inventor: KVANNA KLAS-GORAN
IPC: B60R9/055
Filed: 1990-03-02
Abstract: The present invention relates to an apparatus for attaching a ski-box (10) to a roof-rack, said apparatus comprising at least one longitudinal adjustment rail (1) for attachment to the underside of a ski-box (10), in the longitudinal direction of the box, and two load carrier clamps (5) being displaceable longitudinally along the rail (each rail) (1) and being securable thereto for adjustably and securably receiving the load carrier members (9) of a roof-rack.
Patent CA-2050195-A1 (CA)
Inventor: RYU TADAMITSU
IPC: G09B5/14
Filed: 1991-08-29
Abstract: A remote lecturing system includes a first storage for storing contents of at least one lecture of a lecturer, a second storage for storing questions and corresponding answers related to each lecture stored in the first storage, a reproducing part for retrieving from the first storage the contents of an arbitrary lecture which is requested in response to an external request from a terminal station which is operated by a student at an arbitrary time and for transferring the retrieved contents to the first terminal station, and an answer obtaining part for retrieving from the second storage an answer which corresponds to a question from the terminal station.  The answer obtaining part interrupts the transfer of the contents of the arbitrary lecture from the reproducing part to the terminal station when the question is raised from the terminal station.
Patent CA-2050555-A1 (CA)
Title: Hanger device
Inventor: LURIE KATHERINE
IPC: F16B45/00
Filed: 1991-09-03
Abstract: 1139-2 A hanger device for supporting handbags, purses, umbrellas and the like from a table top or counter. A housing is adapted to be supported upon a table top or counter. An elongated support shaft is slidably disposed within the housing and is adapted to be in parallel spaced relation to the table top or counter. The support shaft depends downwardly from the plane of the housing into a support arm, the support arm being deflected into a hook. The upper edge of the hook is disposed beneath the housing at a position determined by the slidable relationship between the support shaft and the housing. MAP-PATENTS-1138