baber/WOPTO huggingface dataset:
Patent CA-2089815-A1 (CA)
Title: Variable compression piston
Inventor: BEATTIE JOHN F E
IPC: F02B75/04
Filed: 1993-02-18
Abstract: ABSTRACT OF THE DISCLOSURE   In an internal combustion engine, an eccentric bearing located between the connecting rod and the piston pin can be used to vary the compression ratio. In this invention the eccentric bearing is held in any position by a continuously variable hydraulic lock. The lock is controlled by a valve assembly which can fix or release the lock. When the lock is released the eccentric bearing can turn as a result of the upward or downward forces on the piston. However, a one-way valve in the valve assembly allows it to turn only in the direction set by the valve assembly until it reaches the new position and re-locks. Engine oil is provided at regulated pressures through oil passages in the connecting rod, eccentric bearing and piston pin to set the position of the valve assembly and to provide a supply for the lock. The oil pressure is controlled by the engine-management computer and the position of the valve assembly is set by pressures which are varied within the normal operating limits of the engine. Advantages are continuous variability, little change to existing engine components, low parts count, relatively low addition to reciprocating weight, and no chance of failure due to partial engagement, impact or wear.
Patent CA-2090145-A1 (CA)
Title: Photodetector
Inventor: FUJIMURA YASUSHI
IPC: H01L31/105
Filed: 1993-02-23
Abstract: This invention relates to a photodetector including a package having a window disposed in a light incident part, and a light detecting element installed in the package.  The light detecting element comprises a first region formed of second conduction-type semiconductor and embedded in a first conduction-type semiconductor layer; a second region formed of second conduction-type semiconductor and embedded so as to be spaced from and surround the first region; and a conductor layer provided both on at least one part of top surface of the first conduction-type semiconductor layer and on at least one part of top surface of the second region.  The first region is surrounded by a second conduction-type second region. On the surface of the semiconductor crystal layer, an electrode is formed on the first region, and a reflection preventing layer is formed on that part of the first region inside the electrode, and a device protecting film is formed on that part of the first region outside the electrode. On the semiconductor crystal layer, a metal film is formed in contact both with the semiconductor crystal layer and with a second region.  This structure enables the second region to capture unnecessary charges and further to recombine and extinguish them.
Patent CA-2090452-A1 (CA)
Title: Wet scrubbing device, in particular for separating gaseous, liquid and/or solid impurities from gas streams
Inventor: PARZERMAIR FRANZ
IPC: B01D47/06
Filed: 1991-06-28
Abstract: A wet scrubbing device, in particular for separating gaseous, liquid and/or solid impurities from gas streams is disclosed.  Two-component nozzles are used to introduce the washing liquid. The two-component nozzles (2, 2' 2'') are arranged at the outflow side of lances (3). One or several nozzles (2, 2', 2'') are provided per lance (3), whereas the center line of the lances lies on a plane that extends perpendicularly to the gas flow direction. Each nozzle lance (3) can be individually removed from, then replaced again, from the washing area of the device (1), preferably by means of the flange (6).
Patent CA-2094811-A1 (CA)
Title: Method of manufacturing three-dimensionally formed foods
Inventor: MARUYAMA TOSHIROU
IPC: A23P1/10
Filed: 1992-09-09
Abstract: ABSTRACT          A method of manufacturing three-dimensionally formed foods comprising the improvements in the step of processing continuously food material into a three-dimensional form by using a drum-type forming machine in which the forming surface of the forming blocks is release treated, which improvements comprise forming the food material by filling it into the forming blocks, and separating the formed food material (formed products) from the drum surface by jetting compressed air thereto, and the thus improved manufacturing method but comprising the further in provements in such an improved step, which further improvements comprise, prior to filing the food material into the forming blocks, spraying water, steam or hot water, spreading grain powder, or applying edible oil or fat, onto the forming blocks.         These methods allows the continuous mass production of three-dimensionally formed foods with stable quality.
Patent CA-2095220-A1 (CA)
Title: Polyester molding composition having improved flame resistance
Inventor: MINNICK LARRY A
IPC: C08L67/02
Filed: 1991-11-21
Abstract: Disclosed is a composition comprising a polyester of terephthalic acid, 1,4-butanediol and/or 1,4-cyclohexanedimethanol, a halogenated organic compound, an antimony compound and a polymer of at least one olefin which contains acid, anhydride or epoxide functional groups. The composition has improved flame resistance. Also disclosed is a method for improving the flame resistance of polymeric compositions.
Patent CA-2095622-A1 (CA)
Title: Methode d'emballage et d'expedition de materiaux en fibres
Inventor: BOLSTAD CLIFFORD R
IPC: B65B27/12
Filed: 1991-10-28
Abstract: On forme des balles serrées afin de transporter dans un volume réduit des fibres de cellulose réticulées ayant un grand volume. On applique une force limitée lorsque l'on comprime les fibres dans les balles afin de ne pas endommager les fibres. Cette quantité limitée de force permet à la balle de se dilater jusqu'à deux fois environ son volume serré, une fois que l'enserrement est défait. On minimise davantage l'endommagement des fibres en limitant la compression au minimum requis, de sorte qu'un conteneur de transport soit complètement rempli, jusqu'au maximum de sa capacité en volume et en charge utile.
Patent CA-2096470-A1 (CA)
Title: Synthetic down clusters
Inventor: GROH ZIVILE M
IPC: D04H3/04
Filed: 1993-05-18
Abstract: ABSTRACT OF THE DISCLOSURE      This application is directed to a thermal insulating unit comprising an elongate support member having a linear density of from about 5 to 150 mg/m and having attached thereto a generally dispersed array of discrete fine fibers having diameters of from about 1.0 to 25.0 micrometers, wherein the average mass per axial unit length of fibers in the array is less than the mass per axial unit length of the support member.
Patent CA-2097032-A1 (CA)
Inventor: SCHWAB PIERRE P
IPC: H01H5/18
Filed: 1993-05-26
Abstract: A snap-acting positioning device comprising an enclosure, including a spring member having a plurality of sine-shaped bow sections disposed equidistantly in a circular pattern to take a disc shape and stressed to cause the spring member to take a substantially dome-shaped configuration and the sine-shaped bow sections to store a predetermined amount of energy.  The spring member is made of flexible material and is adapted to co-act with an activating member to define a snap-acting function.  The snap-acting device is capable for employment in snap-acting valves, snap-fasteners, linear positioning devices, vibration and shock reduction hardware and spring suspensions for rotating machinery.
Patent CA-2097232-A1 (CA)
Title: Displaying Partial Graphs by Expanding and Collapsing Nodes
Inventor: BEAUDET PHILLIP J
IPC: G06T11/20
Filed: 1993-05-28
Abstract: Complex graphs are difficult to display legibly on computer display screens. Attempts have been made in the prior art to collapse  or  truncate  the  graphs  so  as  to  only  display portions of the graph. However,  these prior art processes have not been effective in dealing with cyclic or acyclic graphs.  The present invention overcomes these problems of the prior art by providing a process in which all nodes affected by the truncation operation are identified and are only removed from the portion of the graph being displayed when their removal will not result in displaying incorrect or false information. The process consists of viewing all nodes interconnected either directly or indirectly to any node selected for collapse or truncation.
Patent CA-2097735-A1 (CA)
Title: Insulated box for shipping medicinal specimens
Inventor: NETTLETON C J DAVID
IPC: B65D81/38
Filed: 1993-06-04
Abstract: ABSTRACT OF THE DISCLOSURE An insulated rectangular box is provided which is suitable for shipping medicinal specimens contained in small vials or bottles, held in shock-proof manner by foam plastic holders, with the box providing both insulation and protection for the foam plastic holders. The box is formed from a blank of foldable sheet material, which has a series of interconnected panels including bottom, front and rear and side panels suitable for forming an outer layer of the respective bottom, front and rear, and sides, and a lid is hinged to the rear panel. The sheet material also has narrow top panels each having an inner edge connected to outer edges of the front and side panels, and inner panels each connected to outer edges of the narrow top panels and each being of smaller width than the adjacent front or side panels. The outer layer panels, and the top and inner panels enclose rigid insulating foam inserts in the front, rear and sides, and an insulating foam insert in the bottom is dimensioned to fit within the inner panels for assisting in securing these in place.
Patent CA-2097995-A1 (CA)
Inventor: CHAN SEK K
IPC: C06B21/00
Filed: 1993-06-08
Abstract: A ,tract The invention is directed to the production of pyrotechnic bodies comprised of a combination of an azide component and an oxidizer component capable of controlled combustion.  The average azide particle size is less than 8 microns and the average oxidizer particle size is less than 1 micron.
Patent CA-2100873-A1 (CA)
Title: Apparatus for blending a powder with a liquid
Inventor: MAZER TERRANCE B
IPC: B01F25/64
Filed: 1992-04-27
Abstract: An apparatus (10) has the capacity to satisfactorily blend a liquid with a powder and pump the resultant viscous slurry in a single stage operation. The apparatus has a vertically oriented drive shaft (17) with a bladed impeller (33) attached to the drive shaft. A housing (20) surrounds a mixing chamber (21) in which the impeller is located. The lower end of a powder inlet tube (41) is disposed in very close proximity to the highest vertical extent of the impeller blades (42). A liquid enters the mixing chamber exterior of the powder inlet tube. The resultant slurry leaves the mixing chamber via a slurry discharge port (22).
Patent CA-2101059-A1 (CA)
Title: Telephone interface circuit
Inventor: LESTER JAMES W
IPC: H04M11/02
Filed: 1992-11-19
Abstract: A circuit for interfacing a host telephone system having a trunk line pair (20) with a central office line pair (30) and an additional circuit line pair (32) includes a loop current monitor circuit (12) for monitoring the host telephone system trunk line pair which is normally connected to the central office line pair. The loop current monitor provides a status signal output indicating the presence or absence of loop current. A relay controller (14) receives the status signal and provides a relay control signal and a hold signal. A relay (22) selectively connects the host telephone system trunk line pair to the additional circuit line pair in response to the relay control signal when loop current is detected after the host telephone goes off-hook. A hold termination circuit receives the hold signal and traps any loop current signals which may be detectable over the central office line pair. The relay controller circuit is active to generate the relay control signal only for an initial time period after the host telephone system goes off-hook.
Patent CA-2101265-A1 (CA)
Inventor: BOOHER BENJAMIN V
IPC: D04H3/12
Filed: 1992-01-28
Abstract: A continuous process for the manufacture of friction units (40) comprises the steps of impregnating a plurality of strands (14) of reinforcing fibers with a phenolic resin (18) having zero to ten percent copper and graphite powders, pulling the impreg-nated strands of reinforcing fibers through a composite forming die (26) for forming a body (28) having the peripheral configura-tion of the friction units (40), and selectively cutting the body (28) into a plurality of the friction units (40).
Patent CA-2103428-A1 (CA)
Title: Steam transfer arrangement for turbine bucket cooling
Inventor: CARRENO DIETHER E
IPC: F02C7/16
Filed: 1993-11-18
Abstract: STEAM TRANSFER ARRANGEMENT FOR TURBINE BUCKET COOLING                     ABSTRACT      The steam transfer arrangement includes dovetail connections between a turbine bucket 14 and a rotor wheel 12 wherein a steam supply passage 20 in the rotor wheel registers with a steam cooling passageway 28 in the bucket and a steam return passageway 30 in the bucket lies in registry with a steam return passage in the wheel.  At the interface of the dovetail connection, each registering passage and passageway includes a sleeve 50, 52 disposed in an enlarged recess 54, 56, the sleeves having annular spherical sealing surfaces for engagement with annular spherical seats on the turbine bucket.  The sleeves are compressible radially relative to the bucket to enable the bucket to be secured to the wheel and expand radially outwardly to ensure sealing fit between the sealing surfaces and seats.
Patent CA-2106127-A1 (CA)
Inventor: HINCHLIFFE PETER W J
IPC: A61B17/06
Filed: 1993-09-14
Abstract: ABSTRACT OF THE DISCLOSURE   An instrument for closing trocar puncture wounds having a handle assembly with a stationary portion and a movable portion; an elongated portion attached at a proximal end thereof to the stationary portion of the handle assembly; and needle deploying means associated with the elongated portion. The needle deploying means includes: an actuator member having a proximal end operably connected to the movable portion of the handle assembly and a distal end disposed adjacent a distal end of the elongated portion, the actuator member being slidable between a first position and a second position; and at least one needle carrier member mounted adjacent the distal end of the actuator member, the needle carrier being slidable relative to the actuator member upon movement thereof, between a retracted position substantially within the elongated portion and an extended position substantially without the elongated portion. The instrument of the present invention also provides a novel suture retaining feature including at least one elongated channel disposed along the actuator member such that a length of suture may be received and retained within the channel and carried therein, between the elongated portion and the actuator member.
Patent CA-2111676-A1 (CA)
Inventor: HAUSER JEAN-LUC
IPC: A61M5/168
Filed: 1993-04-28
Abstract: 2111676 9322641 PCTABS00164 Ce dispositif de mesure de pression dans une ligne de perfusion (12) comprend un capteur de pression (20), un boîtier (14) comportant au moins une chambre (16) délimitée sur une face par une membrane déformable (18) en contact avec la paroi de la ligne de perfusion et dans laquelle se trouve le capteur, un fluide (24) étant interposé entre la membrane (18) et le capteur (20). Le fluide est non liquide, et a un coefficient de Poisson supérieur ou égal à 0,49 et un module instantané d'élasticité inférieur à 10 MPa de manière à ce que la courbe de réponse dudit capteur soit linéaire. Application aux installations de perfusion, notamment ambulatoires.
Patent CA-2113343-A1 (CA)
Title: Absorbent Articles, Especially Catamenials, Having Improved Fluid Directionality, Comfort and Fit
Inventor: THOMPSON HUGH A
IPC: A61F13/56
Filed: 1992-07-15
Abstract: Absorbent articles, especially sanitary napkins, contain fibers with intra-fiber capillary channels. In-use, the capillary channel fibers direct menses to a storage layer, thereby minimizing product failure and staining of undergarments. The capillary channel fibers can protrude into, or through, a topsheet to provide very aggressive transport of vaginal discharges.
Patent CA-2113813-A1 (CA)
Title: Immunoglobulin variants for specific fc epsilon receptors
Inventor: JARDIEU PAULA M
IPC: C07K19/00
Filed: 1992-08-14
Abstract: Two classes of polypeptides derived from human IgE are described. One class binds selectively to the high affinity IgE  receptor on mast cells and basophils, but not to the low affinity IgE receptor on B-cells, monocytes, eosinophils and platelets. The other class binds to the low affinity receptor, but not the high affinity receptor. The differential binding polypeptides of this invention are useful in diagnostic procedures for IgE receptors or in the therapy of IgE-mediated disorders such as allergies. They also are useful in preparing antibodies capable of binding regions of IgE that participate in receptor binding.
Patent CA-2115162-A1 (CA)
Title: Polyhedral approximation of a spherical body
Inventor: SMITH THOMAS E
IPC: G09B29/00
Filed: 1992-07-30
Abstract: A polyhedral approximation of an Earth globe or other non-planar surface and a projection of such non-planar surface to a two-dimensional form with a practical minimum of distortion of principal and secondary features is disclosed. Vertices (54a-54f) are selected on the non-planar surface to be mapped so as to define identifiable panels (54) which are suitable for individual study because of their incorporation of at least one of the principal features wholly within one of the panels (54). Vertices are selected so that the panels (54) are individually shaped and sized to accomodate at least a majority of at least one of the principal features.
Patent CA-2116531-A1 (CA)
Title: Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure
Inventor: GLASSEY STEPHEN F
IPC: F02B3/06
Filed: 1991-12-23
Abstract: A hydraulically-actuated electronically-controlled unit injector fuel system (10) and method of operation is disclosed. The fuel system (10) comprises at least one hydraulically-actuated electronically-controlled unit injector (18) and apparatus (20) for supplying hydraulically actuating fluid to the injector (18). The fuel system (10) also includes apparatus for detecting the pressure of the hydraulically actuating fluid supplied to the injector (18) and for generating a pressure indicative signal (S6) indicative of the pressure detected. The fuel system (10) further includes apparatus (24) for controlling the pressure of the hydraulically actuating fluid supplied to the injector (18) and for correcting the pressure amount based on the pressure indicative signal (S6). The present invention provides closed-loop control of actuating fluid pressure which helps ensure that a desired variable pressure setting is achieved and maintained for as long as needed.  Accurate control of the actuating fluid pressure helps ensure accurate control of fuel injection timing and quantity.
Patent CA-2119432-A1 (CA)
Title: Method for making stratified tissue
Inventor: WENDT GREG A
IPC: D21F11/14
Filed: 1994-03-18
Abstract: Abstract of the Disclosure Forming a stratified tissue web, such as is useful for facial or bath tissue, by couching together two separately formed webs at machine speeds of about 2000 feet per minute or greater provides a tissue web having equivalently soft surfaces on both sides of the tissue.
Patent CA-2120971-A1 (CA)
Title: Centering tool for cylinder gauges
Inventor: ISLER DAVID
IPC: G01B5/12
Filed: 1994-04-11
Abstract: A centering tool that adapts to cylinder gauges to provide a fast, accurate one-time reading of the cylinder gauge.  The centering tool provides adjustable interalignment elements to provide positive positioning of the gauge within the interior of the cylinder bore to determine the interior I.D. of the cylinder.
Patent CA-2127653-A1 (CA)
Inventor: NEWINGTON IAN M
IPC: C08F8/00
Filed: 1994-07-08
Abstract: The invention provides a polymer having antimicrobial properties derived from one or more ethylenically unsaturated monomers characterised in that the polymer has a phenolic antimicrobial agent covalently bound thereto. The polymer may be used as a sanitizing agent in a sanitising composition comprising a solvent having a sanitising agent dissolved or dispersed therein.
Patent CA-2134780-A1 (CA)
Title: Surface Pre-Treatment for the Removal of Graffiti Therefrom
Inventor: MACRIS MICHAEL N
IPC: C08G18/42
Filed: 1993-04-30
Abstract: A system for protecting surfaces and facilitating the removal of unwanted substances therefrom is disclosed, the system including a poymeric coating having a low volatile organics content (VOC) which is safe for the environment, and a cleaner for application to the gating to remove material from the coating, such as graffiti. The coating may be either a water-based epoxy comprising a bisphenol A resin and polyamide resin, or an aliphatic urethane comprising a polymer having reactive sites which react with an isocyanate and an aliphatic isocyanate. The cleaner is suitable for removing all manner of epoxy and urethane based spray paints, indelible inks, industrial chemicals, and the like. The cleaner comprises N-methyl pyrrolidone in a concentration of fifty percent by weight or greater and a surfactant.
Patent CA-2136300-A1 (CA)
Title: Method and apparatus for storing and retrieving multi-dimensional data in computer memory
Inventor: EARLE ROBERT J
IPC: G06F17/24
Filed: 1993-03-30
Abstract: A method and apparatus for storing and retrieving multi-dimensional data in which a multi-level data structure is defined wherein one level contains those dimensions chosen by the user to result in dense data and the other level contains the remaining sparse data combinations. The dense dimensions specified in any given case are used to determine the basic block size used to store information. The remaining sparse dimensions are used to create the upper level structure which is used to point to the block which contains the desired information. Depending upon the sparseness of the data, different types of upper level structure may be used. Both the variable data block size and the choice of pointer structure may be used to balance the memory required against the speed of retrieval. Once the data structure is created, the data in the data blocks, and the pointers in one type of upper level pointer structure, may be retrieved by simple calculation of the offset of the desired cell in memory rather than requiring a search.
Patent CA-2137406-A1 (CA)
Title: Process for key intermediates for hiv protease inhibitors
Inventor: BEAULIEU PIERRE L
IPC: C07B53/00
Filed: 1994-12-06
Abstract: Disclosed herein is a stereospecific synthesis amenable to the large scale preparation of a hydrochloric acid addition salt of a chlorohydrin of the formula (see formula I) wherein R1 and R2 are amino protective groups and R3 is an amino acid side chain or a protected amino acid side chain. The synthesis involves reacting an aldehyde of the formula   wherein R1, R2 and R3 are as defined hereinbefore with (chloromethyl)lithium at -20 °C or below and contacting the resulting diastereoisomeric mixture of lithium alcoholates with aqueous hydrochloric acid to obtain a separable mixture of the hydrochloric acid addition salts of the chlorohydrin and its corresponding hydroxy diastereoisomer. The hydrochloric acid addition salt of the chlorohydrin is transformed readily into corresponding optionally amino-protected aminoepoxides; for example, 3(S)-(tert-butyloxycarbonylamino)-1,2(S)-epoxy-4-phenyl-butane.