baber/WOPTO huggingface dataset:
Patent CA-2018554-C (CA)
Title: Electro-welding sleeve fabrication method, device for implementing it and sleeves obtained by the method
Inventor: BOULET D AURIA VINCENT S
IPC: B29D23/00
Filed: 1990-06-08
Granted: 1994-09-13
Abstract: In  a  method  of  manufacturing  a  plastics material sleeve fitted with a heating wire and intended for producing an electric resistance welding connector the sleeve is molded to a cylindrical shape delimited by an outside surface and an inside surface; a helical groove is formed in one of these two surfaces of the sleeve;  a  wire  is  placed  in  the  groove;  and  the plastics  material  heated  by  means  of  the  wire  is smoothed so as to cover the wire totally and close the groove.     The  electric  resistance  welding  sleeve obtained in this way is in particular intended to be used  either  without  overmolding  it  as  an  ordinary sleeve in particular for welding water pipes or after overmolding  it  as  an  electric  resistance  welding connector in particular for gas pipes.
Patent CA-2021120-C (CA)
Title: Lightweight flexible imide foam and method of producing same
Inventor: NEAR DANIEL E
IPC: C08G73/10
Filed: 1990-07-13
Granted: 1997-12-09
Abstract: Described is a lightweight open-cell flexible foam having a density no greater than about 5 pounds per cubic foot, preferably less than 1.0 pound per cubic foot (pcf) comprising the reaction product of an organic polyisocyanate and a mixture of difunctional acids, acid anhydrides, and difunctional anhydrides in the presence of a tertiary amine triazine catalyst, which reactants during the manufacturing process generate carbon dioxide, wherein the ratio of imide to amide groups in the final product is greater than 1.
Patent CA-2032315-C (CA)
Title: Process for bleaching of chemical cellulose pulp
Inventor: SAMUELSON HANS OLOF
IPC: D21C9/10
Filed: 1990-12-14
Granted: 1997-04-15
Abstract: Up to now, full scale use of the from the environmen-tal point of view excellent bleaching agent ozone, has been hampered e.g.  by the  comparatively large amounts required and the excessive depolymerization of the pulp. The present invention aims  at solving  these problems and relates to a three-step method for bleaching chemical pulp with a lignin content corresponding  to a  kappa number not exceeding 10. This method is characterized  in that  the bleaching begins with a  chlorine dioxide  step at a comparatively high pulp consistency, and that the pulp, after the bulk  of chlorine dioxide has  been consumed, is intimately contacted with an ozone-containing aqueous solution and brought to react with the ozone  at a considerably lower pulp consistency than in the chlorine dioxide bleaching,  whereupon the  pulp under-goes an alkaline treatment in the presence of oxygen and/or an oxidizing agent giving off oxygen.
Patent CA-2034914-C (CA)
Title: Improved color tv projection lens system
Inventor: WESSLING RICHARD JOSEPH
IPC: H04N9/31
Filed: 1991-01-24
Granted: 2000-09-05
Abstract: Disclosed is an improved color projection TV lens system which provides reduced chromatic aberration and improved chromaticity. These improvements are achieved by incorporating a light absorbing material into at least one lens in the system wherein the lens has a substantially uniform thickness.
Patent CA-2041896-C (CA)
Title: Stabilized uric acid reagent
Inventor: DENTON JAMES BRADLEY
IPC: C12N9/96
Filed: 1991-05-06
Granted: 1999-11-09
Abstract: The invention provides a reagent which has increased stability in a single solution configuration for use in a method for measuring uric acid concentration in a sample body fluid. More particularly, the stabilized reagent of the present invention comprises a uricase, a peroxidase, an indicator, and a polyhydroxy nonaromatic compound, preferably the polyhydric alcohols glycerol. sorbitol and mannitol, and further including an inert protein and EDTA.
Patent CA-2046019-C (CA)
Inventor: MURCHESON GORDON S
IPC: B62D53/08
Filed: 1991-05-31
Granted: 1992-09-29
Abstract: FIFTH WHEEL SLIP COVER               Abstract of the Disclosure A releasable slip cover is disclosed for covering a tractor fifth wheel bearing plate to protect the bearing plate from abrasive residue when the tractor is driven detached from the trailer.
Patent CA-2046889-C (CA)
Inventor: KAMIYAMA HIRONORI
IPC: B41N1/24
Filed: 1990-12-21
Granted: 1995-06-06
Abstract: The  present  invention  provides  a  thermal mimeograph paper comprising a porous backing material (2) and a thermoplastic resin film layer (1) laminated on one side thereof through an adhesive  (3),  characterized by being of a point-bonded  structure wherein said porous backing material  (2)  and said thermoplastic resin film (1) are bonded together by dotwise point bonding.   This point-bonded  structure  enables  the  perforability  of mimeograph paper to be improved.
Patent CA-2047384-C (CA)
Title: Method and apparatus for hot top casting of reactive metals
Inventor: LARSEN IVAR OYSTEIN
IPC: B22D11/11
Filed: 1991-07-18
Granted: 1997-09-09
Abstract: Method and apparatus for use in hot top continuous casting of reactive metals, especially magnesium and magnesium containing alloys.  To prevent oxidation a protective gas is supplied to the porous refractory hot top material (1) and eventual joints. It is arranged a closed chamber (7) between hot top (1) and a jacket (8) for supply of gas.  It is preferred to use sulphur hexafluoride eventually in mixture with other gases.
Patent CA-2050999-C (CA)
Title: Bus bar jumper for heatable windshield
Inventor: BARTRUG BRUCE A
IPC: H05B3/86
Filed: 1991-09-09
Granted: 1995-08-15
Abstract: A dual lead electrically heatable windshield is provided with an internal jumper arrangement that allows the bus bar having the dual lead  to be powered by a single external connection to one of the dual leads.  A jumper arrangement may also be used in combination with a crack detector for the dual lead heatable windshield.
Patent CA-2051770-C (CA)
Title: Oscillating blade envelope rotator
Inventor: ZOLTNER JOHN D
IPC: B65H3/24
Filed: 1991-09-18
Granted: 1995-07-04
Abstract: A gravity fed, "load-while-run" envelope feeder places a high capacity envelope storage bin's long dimension against a printer which creates a small footprint. The feeder transfers the envelopes from the storage bin to a horizontal transportation area with the rotation of a motor driven blade to within access of the printers' feed rollers. The blade catches an envelope's flap to feed it and rotates it by 90° into the transportation area.
Patent CA-2056085-C (CA)
Inventor: PICHA GEORGE J
IPC: A61M25/01
Filed: 1991-11-25
Granted: 2001-01-23
Abstract: A low profile or skin level gastrostomy device (20) for initial endoscopic placement in an incision provided through the stomach (64) and abdominal walls (62) of a patient having a collapsed resilient end portion (24) packaged and compressed within a shroud (30) that allows the end portion (24) of the device (20) positioned within the stomach (61) to easily pass from the inner to the outer end of the incision. The shroud (30) is pulled or pushed outwardly through the incision until the device (20) is properly positioned therein. Subsequent to device placement, the shroud (30) is removed and discarded, allowing the now external end portion (24) of the device (20) to expand to its normal position so as to engage the outer surface of the abdominal wall (62) to maintain the device (20) in position. Such a gastrostomy device package (10) and method of placement avoid the need for establishing a fistulas stoma tract before placement of a low profile gastrostomy device, as is the usual case.
Patent CA-2060691-C (CA)
Inventor: SCHRADER GARY E
IPC: H01R4/18
Filed: 1992-02-05
Granted: 1996-10-01
Abstract: An H-shaped compressible connector having a main body and two pairs of opposed legs extending in opposite directions from the main body.  Each pair of opposed legs is provided with one leg which is curved inwardly with respect to the second leg. During the crimping process, this curved leg would move below the interior  surface  of  the  second  leg  in  each pair,  thereby providing a completely closed connector for various conductor sizes.
Patent CA-2065003-C (CA)
Title: Methode amelioree de propagation d'une sequence d'acide nucleique
Inventor: MALEK LAWRENCE T
IPC: C12Q1/68
Filed: 1990-08-23
Granted: 1998-09-01
Abstract: Le présent brevet porte sur un processus amélioré d'amplification d'une séquence particulière d'acide nucléique. Ce processus comporte la synthèse d'un ARN monocaténaire, d'un ADN monocaténaire et d'un ADN double brin. L'ARN monocaténaire est une première matrice pour une première amorce, l'ADN monocaténaire est une deuxième matrice pour une deuxième amorce, et l'ADN double brin est une troisième matrice servant à la synthèse de plusieurs copies de la première matrice. Une séquence de la première ou de la deuxième amorce est complémentaire à une séquence de l'acide nucléique spécifique et une séquence de la première ou de la deuxième amorce est homologue à une séquence de l'acide nucléique particulier. L'amplification peut être utilisée pour augmenter la quantité d'une séquence particulière de l'acide nucléique pour permettre la détection, ou pour augmenter la pureté d'une séquence particulière d'acide nucléique comme substitut à une méthode de clonage classique.
Patent CA-2068471-C (CA)
Inventor: NAKAMOTO HIROYUKI
IPC: G01N21/78
Filed: 1992-05-12
Granted: 2003-10-07
Abstract: A reagent for analyzing cells in urine and a method for analyzing cells in urine with the use of said reagent are provided. The present invention discloses a reagent for analyzing cells in urine which comprises solution(s) containing a fluorescent dye, an osmolarity compensating agent and a buffer, as well as a method for analyzing cells in urine which comprises diluting a urine sample and staining cells therein with said reagent, irradiating said cells with light in the violet or blue wavelength region by using a flow cytometer and measuring the forward or side scattered light and fluorescence from said cells.
Patent CA-2070730-C (CA)
Inventor: KRONZER FRANCES JOSEPH
IPC: B41M5/41
Filed: 1992-06-08
Granted: 2001-11-20
Abstract: An image-receptive heat transfer paper which includes: (a) a flexible cellulosic nonwoven web base sheet having top and bottom surfaces; and (b) an image-receptive melt-transfer film layer overlaying the top surface of the base sheet, which film layer is composed of from about 15 to about 80 percent by weight of a film-forming binder and from about 85 to about 20 percent by weight of a powdered thermoplastic polymer, wherein each of the film-forming binder and the powdered thermoplastic polymer melts in the range of from about 65 to about 180 degrees Celsius and the powdered thermoplastic polymer consists of particles which are from about 2 to about 50 micrometers in diameter. Alternatively, the image-receptive melt-transfer film layer is replaced with a melt-transfer film layer overlaying the top surface of the base sheet and composed of a film-forming binder which melts in the range of from about 65 to about 180 degrees Celsius, and an image-receptive film layer overlaying the melt-trans-fer film layer and composed of from about 15 to about 80 percent by weight of a film-forming binder and from about 85 to about 20 percent by weight of a powdered thermoplastic polymer, wherein each of the film-forming binder and the powdered thermoplastic polymer melts in the range of from about 65 to about 180 degrees Celsius and the powdered thermoplastic polymer consists of particles which are from about 2 to about 50 micrometers in diameter.
Patent CA-2073667-C (CA)
Title: Method and machine for wrapping the vertical lateral and upper end faces of a palletized load
Inventor: MARTIN-COCHER JEAN-PAUL CHARLE
IPC: B65B11/04
Filed: 1992-07-10
Granted: 1996-06-18
Abstract: A method for wrapping a palletized load bounded by a vertical lateral face which is closed on itself and two,  upper and lower, end faces, by means of  film made  from  plastic.   An  initial outermost portion of a band of film coming from a reel of film is  attached  to  the  lateral  face  of the  load.  A relative pivoting movement of the axis of the reel of film and of the load is performed about a first axis which is substantially coincident with the vertical axis of the load and which has a vertical general direction and, as a result of this movement, the band of film is progressively laid over this lateral face. Film is laid over the upper end face to be covered; the band of film is cut transversely and the terminal outermost portion of the band is firmly secured to the laid film or to the load,  wherein film coming from the reel of film is laid over the upper end face to be covered and, for this purpose, when the band of film is in the vicinity of the upper end face.  At least one pass is carried out in which the relative pivoting movement about the first axis is stopped. A relative  pivoting  movement  of  the  order  of  one quarter or of three quarters of a turn of the axis of the reel of film and of the load is performed about a second axis which has a horizontal general direction and the reel of film is thus brought from a sub-stantially vertical position which is parallel to and close to the lateral face of the load to a general position close to and parallel to the upper end face to be covered.  The axis of the reel of film then being substantially orthogonal to the second axis; in this situation at least one relative sliding movement of the axis of the reel of film and of the load is performed substantially along the second axis over a travel of the order of the longitudinal dimension of the upper end face of the load measured along the second axis  until it  is covered with the film. A relative  pivoting  movement  of  the  order  of  one quarter or three quarters of a turn of the axis of the reel of film and of the load is then performed about the  second axis  until  the reel of  film is brought into a position substantially parallel to and close to the lateral face of the load.
Patent CA-2078364-C (CA)
Title: A process for the fermentative preparation of amino acids
Inventor: PFEFFERLE WALTER
IPC: C07K16/00
Filed: 1992-09-16
Granted: 2003-05-06
Abstract: The invention relates to a process for the fermentative preparation of amino acids, in which a strain of the genus Brevibacterium or Corynebacterium producing one or more amino acids is cultivated in a nutrient medium and the amino acid(s) is/are isolated from the culture fluid at the end of fermentation. The process is characterised in that after the vigorous growth phase, the bacterial culture has at its disposal a smaller quantity of assimilable carbon source than it could metabolize on the basis of the structure of the strain and the quantity of other necessary supplements provided in the nutrient medium. The process proceeds at a higher degree of conversion of the source of carbon used (sugar), and higher concentrations of amino acids) is/are obtained in the dry mass free from biomass, relative to the prior art.
Patent CA-2078790-C (CA)
Inventor: KAMATA SUSUMU
IPC: C07D277/34
Filed: 1992-01-14
Granted: 1998-10-06
Abstract: La présente invention porte sur de nouveaux analogues de 3-benzylidène-1-carbamoyl- 2-pyrrolidone,  possédant des propriétés ignifugeantes et représentés par la formule (voir fig. I), où R1 et R2 sont chacun indépendamment de l'hydrogène, un alkyle, un alcoxy ou un halogène; R3 est un hydrogène ou un acyle; R4 est un hydrogène, un halogène, un groupe alkyle, hydroxy, alcoxy ou cyano, R5 et R6 sont chacun indépendamment un hydrogène, un groupe alkyle, aryle, aralkyle, un groupe hétérocyclique, un groupe amino avec ou sans substitution, ou OR7, où R7 est un hydrogène, un groupe alkyle, aryle, acyle ou aralkyle, ou encore peut former avec l'atome d'azote voisin un groupe hétérocyclique pouvant contenir N, O et (ou) S, et X et Y sont chacun indépendamment O, S, un imino avec ou sans substitution, ou encore un méthylène avec ou sans substitution.  De façon plus précise, la présente invention permet d'obtenir un agent anti-inflammatoire, utile pour le traitement des inflammations chroniques, avec peu d'effets secondaires, comme des maux d'estomac.
Patent CA-2085763-C (CA)
Title: Magnetic head driving device
Inventor: ISHII MITSUO
IPC: G11B11/10
Filed: 1992-12-18
Granted: 1997-01-14
Abstract: A magnetic head driving device is disclosed. The device includes an inductor for generating a mag-netic field, the inductor having a pair of terminals, first auxiliary coil for storing electromagnetic ener-gy, the first auxiliary coil being connected to one of the terminals of the inductor at a first node, second auxiliary coil for storing an electromagnetic energy, the second auxiliary coil being connected to the other terminal of the inductor at a second node, first main switch connected to the first node, second main switch connected to the second node, and control circuit  for receiving a first signal indicating generation of a magnetic field by the inductor and a second signal indicating the direction of a magnetic field generated by the inductor and for outputting the second signal for a predetermined period of time in accordance with the first signal to alternately turn on or off the first main switch and the second main switch.
Patent CA-2090115-C (CA)
Title: Thermal image detection apparatus
Inventor: DEGUCHI TAKASHI
IPC: G01J5/48
Filed: 1992-04-27
Granted: 1999-06-22
Abstract: It comprises a plurality of pyroelectric type of thermal detection element array 5 arranged in a line, an optical system 6, a structure 7 for incorporating the pyroelectric type of thermal detection element array 5 with the optical system 6, and a rotational axis 8 for rotating them. This structure provides a system for obtaining a two-dimensional thermal image with a plurality of pyroelectric type of thermal detection element arrays one-dimensionally arranged on a line with a small-sized and simple structure.
Patent CA-2091405-C (CA)
Title: Water-in-oil emulsions
Inventor: JAHNKE RICHARD W
IPC: C06B47/00
Filed: 1993-03-10
Granted: 2004-05-18
Abstract: This invention is directed to water-in-oil emulsions which are useful as explosives. These emulsions comprise: a discontinuous  aqueous phase comprising at least one oxygen-supplying component; a continuous organic phase comprising at least one carbonaceous fuel; and a minor emulsifying amount of at least one emulsifier. The emulsifier is the product made by the reaction of component (A) with component (B), component (A) being at least one substituted succinic acylating agent, said substituted succinic acylating agent consisting of substituent groups and succinic groups wherein the substituent groups are derived from a polyalkene, said acylating agents being characterised by the presence within their structure of an average of at least 1.3 succinic groups for each equivalent weight of substituent groups, and component (B) being ammonia and/or at least one amine.
Patent CA-2109407-C (CA)
Title: Projected image displaying apparatus and a method of correcting color unevenness therein
Inventor: FUKUDA HIDENORI
IPC: H04N17/02
Filed: 1993-10-27
Granted: 1999-01-05
Abstract: A chromaticity meter measures the chromaticity of light output for each picture element selected.  Calculated from the measurement  is  corrective data on each of RGB colors, which in turn is used to calculate corrective data on each of RGB for unselected picture elements.  In this method, original  video  signals  for  each of  RGB  colors  will  be correctively modulated based on the thus obtained corrective data.  A projected image displaying apparatus is constructed such that adjustment of chromaticity as to white as well as to black from the measurement by the chromaticity meter of chromaticity throughout the entire image,  is carried out uniformly and reliably by automatic control using a micro-computer  so  as  to  determine  the  optimal  condition  for correctively modulating the original video signal.   This apparatus  further  includes  means  for  storing  the  thus obtained optimal condition in a non-volatile memory.
Patent CA-2112287-C (CA)
Inventor: BLYTH DAVID
IPC: A47F13/08
Filed: 1993-12-23
Granted: 2004-07-06
Abstract: A bag dispensing system has numerous thin plastic bags weakly attached together to form a bag pack, and a rack for supporting the bag pack and dispensing individual bags. Each bag has a tear-away release means which includes at least one centrally located opening for receiving a support finger of the rack, and is separated from an upper edge of the bag by a tear through portion. At least one pressure point is located adjacent the tear through portion. Each bag has a pair of opposed handles, each of which includes a flap-free opening for receiving a side support rod of the rack. The bag pack has successive overlying layers of thermoplastic film which form successive outside bag surface to outside bag surface contacts alternating with inside bag surface to inside bag surface contacts. Each layer of the bag pack is weakly joined to both adjacent layers without adhesive. The weak joints between layers are of alternating strengths so that the outside bag surface to outside bag surface weak joint is stronger than the inside bag surface to inside bag surface weak joint.
Patent CA-2123040-C (CA)
Inventor: TROIANI VINCENT F
IPC: B60T17/22
Filed: 1994-05-06
Granted: 1998-06-16
Abstract: An  electro-pneumatic  brake  system  for  a  railroad freight car is  integrated with the  existing pneumatic freight brake system by utilizing the air stored in the emergency reservoir to supply brake cylinder pressure via the exhaust passage of the pneumatic control valve, which is maintained in release position during electro-pneumatic brake operation.  The electro-pneumatic brake system fails to a release mode, so that the brakes on an individual car that experiences a power loss do not apply.  In the case of a power loss in the electro-pneumatic system,  due to a train  break-in-two,   the  pneumatic  brake  system  is automatically operated by the consequent loss of brake pipe pressure to provide a back-up brake, while at the same time interrupting the control valve exhaust path via which the electro-pneumatic brake is communicated with the brake cylinder.
Patent CA-2132130-C (CA)
Title: Power steering system
Inventor: SANGRET HENRY C
IPC: B62D5/083
Filed: 1994-09-15
Granted: 1998-04-07
Abstract: A vehicle steering system (10, 190, 290) includes inner and outer coaxial valve members (40, 42) which are rotatable relative to each other to port fluid to a vehicle power steering motor (30).  A plurality of rocker arms (122, 302) are pivotally connected to the inner valve member (40).  Each rocker arm (122, 302) is pivotal relative to the inner valve member (40).  Each rocker arm (122, 302) engages a recess (132) in the outer valve member (42).  Upon relative rotation between the inner and outer valve members (40, 42), the rocker arms (122, 302) pivot relative to the inner valve member (40).  Force is applied to each of the rocker arms (122, 302) to resist pivoting of the rocker arms (122, 302) and relative rotation between the inner and outer valve members (40, 42).  In one embodiment, a plurality of pistons (222) are disposed in chambers (220) formed in the outer valve member (42). The pistons (222) are exposed to a fluid pressure which varies as a function of vehicle speed.  The pistons (222) are effective to vary the force applied against the rocker arms (122) and the resistance to relative rotation between the valve members (40, 42) as a function of vehicle speed.