baber/WOPTO huggingface dataset:
Patent CA-2057222-C (CA)
Inventor: SHUPE KEITH G
IPC: B29C53/80
Filed: 1991-12-06
Granted: 1998-05-19
Abstract: A delivery head is adapted for use in a fiber placement system for laying a plurality of tows, forming a band, onto a mandrel to form an irregular shaped object.  The delivery head has cut and add sections and includes a plurality of pathways for guiding a respective plurality of tows from an inlet to an outlet of the delivery head.  The cut and add section is provided in the form of a module which includes apparatus for selectively actuating any of a plurality of cutting elements and for selectively actuating any of a plurality of advancing devices for advancing respective ones of the tows toward the outlet of the delivery head.
Patent CA-2059547-C (CA)
Title: Paper sheet feeding apparatus
Inventor: GREEN RONALD J
IPC: B65H7/18
Filed: 1990-07-23
Granted: 1994-12-06
Abstract: PAPER SHEET FEEDING APPARATUS                Abstract of the Invention Disclosed is a sheet feeder device including support for a generally vertical stack of sheets.  The support means includes endless belts having an upper belt run position to extend across the bottom of the stack of sheets.  A stationary gate forming member is provided which is positioned above the upper run of the belts and adjacent the forward side of the stack to define a nip which forms a gap between the gate forming member and the upper run for permitting the lowermost sheet of the stack to pass forwardly from the stack through the nip.  The gate forming member is a cylindrical roll defining a central axis and an outer peripheral surface which is concentric to the central axis.  The roll has a plurality of annular grooves extending about the circumference thereof, and the grooves are disposed concentrically about a second axis which is eccentric to the central axis.  An elastomeric ring is disposed in each of the grooves, and the rings have a coefficient of friction which is higher than that of the material of the roll.
Patent CA-2061724-C (CA)
Title: Expandable garment bag and hanger bar therefor
Inventor: FRANKLIN DANA
IPC: A45C7/00
Filed: 1992-02-24
Granted: 1995-07-25
Abstract: Past garment bags have included expansion features such as a peripheral zipper in the rail portion to permit the garment bag to expand to accommodate a greater number of clothes. A hanger bar for supporting clothes on hangers has also been provided which has a collapsed condition for supporting few hangers, and an expanded condition for supporting a greater number of hangers corresponding to the expanded condition of the garment bag in which the hanger bar is suspended. Such hanger bars have failed to include an effective means for holding the hooked portions of ordinary closet-type hangers in either the collapsed or expanded condition of the hanger bar. Disclosed is such a garment bag with a hanger bar having a hanger retaining means which is effective whether the hanger bar has a shortened length corresponding to the collapsed condition of the garment bag or a lengthened condition corresponding to an expanded condition of the garment bag. In particular, an L-shaped retainer is carried by a first telescoping section of the hanger bar and operates simultaneously to keep hangers from falling off the front end of the hanger bar and from being dislodged upwardly away from the hanger bar.
Patent CA-2062472-C (CA)
Inventor: WITTRISCH CHRISTIAN
IPC: E21B23/14
Filed: 1992-03-06
Granted: 2002-04-16
Abstract: Dans des puits pourvus d'un tube de cuvelage métallique, on utilise des sondes pourvues d'aimants. On les plaque en surface contre la paroi intérieure du tube et on les entraîne vers le fond au moyen d'un organe rigide d'entraînement tel qu'une colonne tubulaire de production pourvue de moyens d'entraînement: butées pour l'entraînement longitudinal et extensions latérales pour le positionnement latéral de la sonde, ou bien élingues de traction etc.  La paroi de la sonde appliquée contre le tube peut avoir même rayon de courbure que lui, pour améliorer le couplage. La sonde peut être associée à un boîtier électronique d'acquisition et de transmission fixé à la colonne. Avant toute intervention on déplace suffisamment la colonne pour supprimer tout couplage mécanique avec la sonde. Après utilisation, la sonde peut être déplacée vers un autre point d'intervention ou ramenée en surface par déplacement de la colonne.  Application à toutes interventions dans des puits pétrolifères, par exemple.
Patent CA-2065731-C (CA)
Inventor: GERSON IRA A
IPC: G10L19/12
Filed: 1990-10-09
Granted: 1995-06-20
Abstract: A speech coder and decoder methodology wherein pitch excitation and codebook excitation source energies (100) are represented by parameters that are readily transmissible with minimal transmission capacity requirements. The parameters are the long term energy value, a short term correction factor which is applied to the long term energy value to match the short term energy, and proportionality factor(s) that specify the relative energy contribution of the excitation sources to the short term value (101)
Patent CA-2072559-C (CA)
Title: Method for making liposomes of enhanced entrapping capacity toward foreign substances to be encapsulated
Inventor: SCHNEIDER MICHEL
IPC: A61K49/04
Filed: 1991-12-09
Granted: 1997-03-18
Abstract: Liposome vesicles are prepared containing water or very dilute solutions encapsulated therein. These "empty" lipo-somes are suspended in a carrier liquid containing, dispersed therein, substances of interest to be loaded into the vesi-cles and incubated for a period of time at temperatures above the lipids transition temperature, whereby loading by trans-membrane permeation occurs in high yields.
Patent CA-2073197-C (CA)
Title: Preparing refractory articles by a freezecast process
Inventor: SUEY PAUL V
IPC: B28B1/00
Filed: 1992-07-06
Granted: 1996-12-10
Abstract: Refractory articles are prepared by a freezecast process where a ceramic fiber mat is saturated with a colloidal silica aqueous suspension, frozen and then heated to produce a preform.  The preform is then saturated with a colloidal silica aqueous suspension, frozen, and then heated to produce a refractory article having silica particles substantially uniformly distributed throughout.  The density of the refractory article can be increased by compression of the saturated mat prior to freezing.
Patent CA-2073209-C (CA)
Title: Method for applying orthopaedic bandages
Inventor: GREEN RICHARD
IPC: A61F13/04
Filed: 1992-07-06
Granted: 2002-07-02
Abstract: The disclosure provides for a method of applying a material usable as an orthopaedic bandage which material comprises an open weave substrate having thereon a curable resin. The resin is curable, for example, by polymerization which polymerization is initiated by immersion of the resin coated substrate in a bath. Gloves are worn during the performance of the method which gloves are provided with a coating which in use is lubricous relative to the resin coated substrate. Thus the interference in application of the substrate due to the substrate sticking to the gloves is substantially reduced or eliminated by the lubricousness of the gloves.
Patent CA-2077359-C (CA)
Inventor: KORENAGA NOBUSHIGE
IPC: G03F1/22
Filed: 1992-09-02
Granted: 1997-02-04
Abstract: An X-ray mask has a mask frame in which the central portion thereof is removed to form a concentric hole, and four grooves are radially formed in the surface of junction with a silicon substrate. On the other hand, a permeable film portion on which a pattern is provided is formed in the central portion of the silicon substrate, four through holes being formed in the perimeter of the permeable film portion in correspondence with the grooves. During exposure of a wafer, when the side of the permeable film portion is moved toward the wafer and brought close to it, the gas present between the wafer and the X-ray mask passes through the through holes and the grooves and flows from one side of the X-ray mask on which the permeable film portion is provided to the other side of the X-ray mask. Thus the pressure between the wafer and the X-ray mask is not increased. This permits an increase in the speed of movement of the X-ray mask without breaking the permeable film portion and improvement of the productivity of an exposure device.
Patent CA-2077644-C (CA)
Inventor: FOX MARY MORA
IPC: A23L19/18
Filed: 1991-04-08
Granted: 1997-10-07
Abstract: Croustilles de pomme de terre à teneur réduite en calories et autres aliments à basse teneur en humidité contenant des matières grasses, ayant une apparence cireuse moindre et une saveur améliorée. Ces avantages sont normalement obtenus en appliquant à la surface de la croustille ou d'un autre aliment des mélanges de gras présentant des zones thixotropiques, qui ensemble réduisent l'apparence cireuse. Ces composés gras comprennent des matières grasses non digestibles ainsi que, facultativement, des triglycérides digestibles, graisses ou huiles. Le gras non digestible comprend une huile non digestible et de préférence de faibles taux de certains polyesters d'acide gras de polyol solides, dont certains esters incorporent des combinaisons de radicaux d'acide gras insaturé (C12 ou plus) et (ou) saturé à chaîne courte (C2-C12) et des radicaux d'acide gras saturé à chaîne longue (C20 ou plus). Les polyesters de polyol solides lient les huiles liquides, ce qui limite ou élimine la perte d'huile passive, même à des niveaux relativement bas.
Patent CA-2080660-C (CA)
Inventor: CUNNINGHAM JOHN E
IPC: F02B43/10
Filed: 1992-10-15
Granted: 1998-12-01
Abstract: Abstract The present invention 10 comprises a hollow main canister 11 having a series of anodes 25 and cathodes 29 interposed therein for the electrolysis of an electrolytic fluid F, such as potassium hydroxide. The electrolytic reaction is powered through the use of a current source 36 which positively charge the anodes immersed in the electrolytic fluid F. The produced ionized oxygen and hydrogen from the electrolytic reaction is directed through the canister through the combustion situs 45 of an internal combustion fuel/air mixture system through the use of a delivery tube 22. A flash arrestor 44 is used to ensure no flame or backfire migrates through the system and the level of fluid is optically monitored through the use of a liquid level sensor 46. The oxygen and hydro-gen interposed within the combustion situs enhances combustion and the cleanliness of the same thereby producing a cleaner and more efficient burn of the hydrocarbon fuel.
Patent CA-2086831-C (CA)
Title: Immunostimulating and immunopotentiating reconstituted influenza virosomes and vaccines containing them
Inventor: GLUECK REINHARD
IPC: A61P31/12
Filed: 1992-05-08
Granted: 1999-03-16
Abstract: Disclosed are immunostimulating reconstituted influenza virosomes (IRIVs) compri sing the following components: (a) a mixture of phospholipids; (b) essentially reconstituted functional virus envelop es; (c) an influenza hemagglutinin protein (HA) or a derivative thereof which is biologically active and capable of inducing the fusion of said IRIV with cellular membranes and of inducing the lysis of said IRIV after endocytosis by antigen presenting cells , preferably macrophages or B cells; and (d) an antigen, and vaccines containing these IRIVs.
Patent CA-2088274-C (CA)
Title: Calcium and trace mineral supplements
Inventor: SALTMAN PAUL D
IPC: A61K33/24
Filed: 1991-08-02
Granted: 1995-06-27
Abstract: Nutritional mineral supplements comprising calcium citrate malate and salts of manganese, copper and zinc are disclosed. These supplements, which provide at least 25 % RDA of the minerals, are used in addition to the normal diet. These supplements are useful for increasing bone growth and for treating age-related bone loss in humans and animals.
Patent CA-2093115-C (CA)
Title: Imageable recording films
Inventor: LEWIS DAVID F
IPC: G03F7/025
Filed: 1991-09-16
Granted: 2002-10-29
Abstract: The invention relates to the exposure of a recording film to an image transmitting device and to a thermochromic polyace-tylenic recording film comprising, as an imageable medium, a supported, imageable crystalline polyacetylene monomer layer in contact with an imageable polyacetylen polymer in a mole ratio of between about 1:1 and about 1000:1 which medium additiona'-ly can contain an energy absorbing, heat transferring agent having an optical absorbance at a wavelength similar to that of the image transmitting device.
Patent CA-2104063-C (CA)
Title: Thermoplastic polyurethane blends
Inventor: ONWUNAKA THEOPHILUS O
IPC: A61L29/06
Filed: 1993-08-13
Granted: 1999-12-14
Abstract: A thermoplastic polyurethane chain extended with an alkylenediol is blended with a thermoplastic polyurethane chain extended with an oxyalkylene glycol oligomer. The blend is extruded into a catheter tubing having sufficient initial stiffness for satisfactory insertion in a patient and a high degree of softening for safe positioning and long term catheterization procedures without the risk of vessel wall perforation.
Patent CA-2107308-C (CA)
Inventor: MAGRUM GLENN R
IPC: C08J5/04
Filed: 1993-09-29
Granted: 1997-12-16
Abstract: A process for making a composite article having improved mechanical properties such as fatigue life, which process comprises contacting at least one continuous filament with a mixture comprising a resin and a strain relieving polymer.
Patent CA-2111422-C (CA)
Inventor: KAWASHIMA MASAHIRO
IPC: H04N5/57
Filed: 1993-12-14
Granted: 1997-05-13
Abstract: A brightness modulation circuit for a video display unit has a brightness level adjusting circuit including a memory (13) for storing data representing a suitable degree of brightness modulation corresponding to various types of uses of television systems, and a horizontal digital/analog converter (6) and a vertical digital/analog converter (7) issuing amplitude-modulated parabolic waves, which control the degree of the brightness modulation using the data read from the memory (13).
Patent CA-2117900-C (CA)
Title: Endometrial ablation apparatus and method
Inventor: STERN ROGER A
IPC: A61N1/06
Filed: 1993-04-22
Granted: 1999-08-17
Abstract: An endometrial ablation method comprising passing sufficient RF current having a frequency of from 250 kHz to about 100 MHz through substantially the entire surface of the endometrium to heat the endometrium, in a single operation, to a temperature within the range of from 45°C to 90°C and preferably not above 70°C for a time sufficient to destroy the cells of the lining while maintaining the average temperature of the myometrium at a temperature below 42°C. The apparatus comprises an electroconductive expandable member such as a balloon (14) for extending the organ and effecting electrical contact with the endometrial lining to be destroyed. The balloon is connected to power source (30) adapted to provide radiofrequency electric power having the desired characteristics to selectively heat the endometrial lining to the desired temperature.      The balloon (14) can be an electroconductive elastomer such as a mixture of a polymeric elastomer and electroconductive particles. Alternatively it can be a non-extensible bladder having a shape and size, which will extend the organ and effecting contact with the endometrial lining to be destroyed.
Patent CA-2126350-C (CA)
Title: Bed apparatus
Inventor: YOSHINO ISAMU
IPC: A47C19/04
Filed: 1993-03-04
Granted: 1997-12-30
Abstract: This invention is to provide a bed apparatus capable of easily and properly changing a height in several steps with a simple structure.  A support link and a reception link in which a slider is slidably housed are pivotally disposed in a base.  An engaging pin is formed on the support link.  A guide portion having a plurality of engaging portions formed at predetermined intervals along the longitudinal direction is formed in the reception link.  The engaging pin is slidably inserted into the guide portion.  When the reception link is pivoted, the slider inhibits or allows the engaging pin to engage with the engaging portion in accordance with the pivot direction of the reception link.
Patent CA-2128570-C (CA)
Inventor: STEFFIER LAWRENCE WAYNE
IPC: C08F212/14
Filed: 1994-07-21
Granted: 2006-04-04
Abstract: A particulate adsorbent is the crosslinked polymerization product of a brominated vinyl aromatic monomer and a crosslinking monomer and exhibits a density greater than or equal to about 1.01 grams per cubic centimeter and a surface area greater than or equal to about 10 square meters per gram.
Patent CA-2132213-C (CA)
Title: Specific detection of cell surface receptor leukocyte adhesion molecule-1
Inventor: TEDDER THOMAS F
IPC: G01N33/569
Filed: 1993-03-24
Granted: 2004-02-24
Abstract: A shed form of leukocyte adhesion molecule-1 (LAM-1, L-selectin) is present in high levels in human plasma. Quantitative methods of detecting shed LAM-I (sLAM-1) by Western blot and ELISA analysis are disclosed, Also disclosed are methods for the specific detection of cell-surface bound LAM-1 in the presence of shed LAM-1 and for immunotherapy using monoclonal antibodies reactive with cell-surface bound LAM-1 but not reactive with shed LAM-1.
Patent CA-2132398-C (CA)
Title: Cosmetic composition containing an epoxidized oil as plastifier
Inventor: MELLUL MYRIAM
IPC: A61Q3/02
Filed: 1994-09-19
Granted: 1999-02-16
Abstract: The invention relates to a cosmetic composition, for example a nail varnish composition, comprising a film-forming material, at least one plasticiser comprising an epoxidised oil such as Vernonia oil and a solvent medium.
Patent CA-2133613-C (CA)
Inventor: CHEMINAL BERNARD
IPC: B01J23/26
Filed: 1994-10-04
Granted: 1998-02-03
Abstract: Pour éliminer les impuretés oléfiniques (en particulier le 1-chloro-2,2-difluoroéthylène et les polyfluoropropènes) présentes dans le 1,1,1,2-tétrafluoroéthane (F134a) brut, on traite en phase gazeuse, en présence d'un catatlyseur de fluoration, un mélange gazeux de F134a brut, d'acide fluorhydrique et d'oxygène ou d'air à une température comprise entre 200 et 350.degree.C et sous une pression comprise entre la pression atmosphérique et 2,5 MPa, le rapport molaire HF/F134a étant compris entre 0,05 et 0,5 et le rapport molaire O2/F134a entre 0,001 et 0,1. Ce procédé permet une purification efficace et économique du F134a.
Patent CA-2134796-C (CA)
Inventor: AMSALLEN MARCEL
IPC: F16H61/02
Filed: 1994-11-01
Granted: 2000-02-01
Abstract: A method and apparatus for selecting a transmission starting gear based on calculated gross vehicle weight is disclosed. The vehicle speed and grade are monitored by sensors which provide data to a computer. The computer is programmed to calculate vehicle acceleration from the sensed speed and to adjust the acceleration value so as to eliminate the effect of grade. The gross vehicle weight is then calculated from the adjusted acceleration value.      Based on the calculated gross vehicle weight and the existing grade, an appropriate starting gear is automatically selected by the computer from a look-up table stored in memory.
Patent CA-2136771-C (CA)
Inventor: MOREIRA NELSON COSTA
IPC: F27D1/00
Filed: 1994-11-28
Granted: 1998-12-22
Abstract: A cast refractory and back-up insulation are positioned on a lifting frame for convenient placement in, and removal from, the furnace shell of an aluminum or other metal refining system.  Furnace lining replacement is thereby readily accomplished at the operational location of the furnace.
Patent CA-2141318-C (CA)
Title: Method and apparatus for efficient real-time authentication and encryption in a communication system
Inventor: BROWN DANIEL PETER
IPC: H04W4/16
Filed: 1994-04-23
Granted: 1998-12-29
Abstract: Radio frequency based telecommunication systems often require both subscriber units (100) and communications units (130) of a fixed network communication system to maintain secret data which may be used to verify authenticity as well as provide encrypting variables for message encryption processes. An efficient real-time authentication method and apparatus are provided which use a single message (210) to provide authentication and communication link setup information. Further, an authentication method and apparatus are provided which uses instant-specific information such as a time of day, radio frequency carrier frequency, a time slot number, a radio port number, access manager identifier, a radio port control unit identifier, or a base site controller identifier to enhance the reliability of the authentication process. Furthermore, a method and apparatus are provided for maintaining secure packet data communications through an encryption process by utilizing  a packetized message encryption key (502) and a unique packet number (504) as encryption variables.
Patent CA-2141597-C (CA)
Title: Methode et dispositif pour couper la bande dans le formeur d'une machine a papier
Inventor: LARSSON HANS-ERIK
IPC: D21F9/02
Filed: 1993-07-30
Granted: 1998-06-30
Abstract: Méthode et installation pour le découpage d'une bande de papier (9) dans une machine à deux toiles dans laquelle la bande de papier en formation entre les deux toiles (4 et 5) est en enroulement sur un rouleau de formation (3) durant son découpage à l'aide de jets de découpage (10 et 11) utilisant un fluide sous pression pour la production d'une bande de papier de largeur déterminée et, le cas échéant, le découpage d'une pointe dans la bande de papier. Aux termes de cette invention, les jets de découpage (10 et 11) sont positionnés au niveau du rouleau de formation (3), de manière à ce que le découpage soit effectué en un point où la bande nouvellement formée (9) se trouve en sandwich entre le rouleau de formation (3) et les toiles de formation (4 et 5).
Patent CA-2144246-C (CA)
Inventor: DURANT DOUGLAS M
IPC: B60T11/20
Filed: 1995-03-09
Granted: 1999-05-04
Abstract: Left and right two stage brake valves communicate fluid pressure to left and right brake mechanism.  Each brake valve has an inlet for receiving pressurized brake fluid from a pump, a reservoir port, a stepped bore and a stepped piston member comprising a larger diameter prefill piston and a smaller diameter high pressure piston. The stepped piston is movable away from a rest position to transfer fluid to the brake mechanism. The stepped bore and the stepped piston form a high volume prefill chamber and a high pressure chamber. The high pressure piston has a groove communicated with the brake mechanism, and the groove communicates with the inlet when the high pressure piston has moved a certain distance to transfer fluid from the high pressure chamber to the brake mechanism.  The prefill piston has a sealing land and a second land on either side of a sealing ring which is slidable in the stepped bore. The sealing land sealingly engages the sealing ring when the prefill piston moves to transfer fluid from the prefill chamber to the brake mechanism. The sealing land is spaced apart from the sealing ring by a distance which is greater than the distance between the groove and the inlet when the stepped piston is in its rest position.
Patent CA-2144708-C (CA)
Title: Shaped digital noise signal generator and method
Inventor: KUNOFF NOAH
IPC: G06F7/58
Filed: 1995-03-15
Granted: 2000-05-23
Abstract: A circuit for generating a digital noise signal characterized by an evenly distributed frequency content for a particular frequency bandwidth of the digital noise signal includes a word signal generator for generating a random sequence of N-bit digital word signals with each cycle of a system clock signal provided to the word signal generator, where N is a non-zero integer. The noise generating circuit further includes a shaping circuit which transforms the random sequence into a shaped sequence of N-bit digital word signals, and a frequency synthesizer which is responsive to the shaped sequence and which generates the digital noise signal.