baber/WOPTO huggingface dataset:
Patent CA-1169201-A (CA)
Inventor: BUECHEL FREDERICK F
Filed: 1983-03-22
Granted: 1984-06-19
Abstract: ABSTRACT OF THE DISCLOSURE     A prosthesis for the surgical replacement of a dysfunctional knee joint is disclosed.  The prosthesis includes a tibial platform, one or two tibial bearing inserts, and a femoral component.  In a unicompartmental embodiment of the invention, the tibial platform includes a spike for securing the tibial platform to the tibia.  The tibial platform, in the unicompartmental embodiment, includes a track, which may be curved, and which is slidably engaged in dovetail fashion by a tibial bearing insert, typically of high molecular weight polyethylene.  The superior surface of the tibial bearing insert is concave spherical, designed to slidably engage the inferior surface of the femoral component.  The inferior surface of the femoral component is generally convex spherical, with radius of curvature slightly smaller than the radius of curvature of the tibial bearing insert.  In some embodiments the inferior surface of the femoral component may have two or more differing radii of curvature at different points on such surface.  Typically the tibial platform and the femoral component are constructed of cobalt-chromium alloy.     In a bicompartmental or tricompartmental embodiment of the invention, the tibial platform includes two tracks, each of which may be curved, and each of which slidably engages in dovetail fashion a tibial bearing insert.  The two tibial bearing inserts each engage, via their superior concave spherical surfaces, mating inferior convex sur-faces of the femoral component.  The two curved tracks are in general not concentric; rather, the center of each falls on a line normal to the plane of such curved track and passing through the center of curvature of the concave spherical surface of the tibial bearing insert of the other curved track.
Patent CA-1167814-A (CA)
Inventor: RANCE FREDERICK K - STREET ROU
IPC: A47G29/122
Filed: 1983-05-03
Granted: 1984-05-22
Abstract: ABSTRACT           There is provided a new and useful support comprising a first hollow  cylindrical element having a cylindrical axis and an inner cavity having a first cross-sectional dimension, two annular washers, each attached -to the first cylindrical element and each having a central hole having a diameter smaller than the first cross-sectional dimension and aligned with an axis generally parallel with the cylindrical axis of the first cylindrical element, support means for supporting an object and adapted to be received in the central holes and thus held by the two annular washers, a locking collar adapted to be secured to the support means, for preventing relative motion in the direction of the cylindrical axis, beyond a predetermined point, between the support means and the first cylindrical element, and means for attaching an object to the support means.
Patent CA-1210165-A (CA)
Inventor: BORRMAN BO
IPC: G21C3/334
Filed: 1983-07-11
Granted: 1986-08-19
Abstract: ABSTRACT OF THE DISCLOSURE:     A fuel assembly with a fuel channel which surrounds a plurality of fuel rods and which is divided, by means of a stiffening device of cruciform cross-section and four wings, into four sub-channels each of which comprises a bundle of fuel rods.  Each fuel channel side has a plurality of stamped, inwardly-directed projections, arranged vertically one after the other, these projections being welded to one and the same stiffening wing.  Each one of the wall portions located bet-ween the projections defines, together with two adjacently positioned projections and a portion of the stiffening wing, a communication opening between two bundles located on one side each of the stiffening wing.
Patent CA-1216333-A (CA)
Inventor: MOURA MARC
IPC: H01F17/04
Filed: 1983-09-26
Granted: 1987-01-06
Abstract: Abstract of the Disclosure:            Electric coil including a coil form having means at respective ends thereof for carrying respective soldering lugs, respective magnetizable cores disposed on the coil form at the respective ends thereof,  and springs formed with angled-off ends,  the springs respectively engaging the magnetizable cores at  the respective ends  of the coil form,  the carrying means and said angled-off ends of the springs, respectively, being formed with respective  laterally  extending  projections  and  recesses snappable over the projections so as to urge the cores towards one another.
Patent CA-1204378-A (CA)
Inventor: BAYH RUSSELL I III
IPC: F23D17/00
Filed: 1983-09-26
Granted: 1986-05-13
Abstract: ABSTRACT OF THE DISCLOSURE         A burner which can be used to dispose of heavy crude waste oil and petroleum products contaminated with drilling mud.  The burner includes a nozzle assembly which internally mixes atomizing fluid with the primary fluid being disposed of by the burner.  If desired, secondary fluid can be injected into the nozzle assembly to improve the combustion of primary fluid.  In the alternative, secondary fluid can be injected into the compound mixture of atomizing fluid and primary fluid exterior to the nozzle assembly.
Patent CA-1196378-A (CA)
Inventor: KELLNER JORDAN D
IPC: F16L58/00
Filed: 1983-10-31
Granted: 1985-11-05
Abstract: ABSTRACT OF THE DISCLOSURE      A method and apparatus herein is disclosed that consists of establishing and equilibrating a circuit path through a working test pipe electrode and a counter electrode in an electrolyte fluid in which said test pipe electrode achieves a state of cathodic protection.  Disconnecting said cathodically protected working test pipe electrode from said counter electrode.  Then re-establishing a circuit path through said working test pipe electrode, said counter electrode, and a reference electrode, in said electrolyte fluid along with an electronic control and measuring means.  Subsequently causing a measured known voltage step to be applied to said working test pipe electrode.  Then measuring the current flowing after application of said measured applied voltage step.  Finally, then analyzing said current flow data and thereby determining the double layer capacitance at the interface between said working test pipe electrode and said electrolyte fluid as a measure of disbonded area thereon.
Patent CA-1199351-A (CA)
Inventor: RAHMANI ALI
IPC: A63F9/08
Filed: 1983-11-29
Granted: 1986-01-14
Abstract: ABSTRACT OF THE DISCLOSURE     A disc game or puzzle for educational or entertain-ment purposes includes a plurality of spaced apart discs rotatably mounted on a shaft between fixed end plates, and a plurality of strips removably mounted on each disc for receiving indicia for matching with indicia on an adjacent disc or discs.  For example, the names of teams involved in a professional sport can be placed on the strips of one disc, with the home cities of the teams on the strips of a second disc; and the team logos on a third disc.
Patent CA-1179651-A (CA)
Inventor: MILLER NORMAN K
IPC: B65D30/24
Filed: 1983-11-30
Granted: 1984-12-18
Abstract: SELF- SEALING VALVED BAG            ABSTRACT OF THE DISCLOSURE    A self-sealing valved bag including elongate facing outer walls peripherally secured together except for an unsecured end region, an inner wall between the outer walls extending across the unsecured and region, the inner wall being secured to one outer wall partially across the unsecured end region to leave an access passageway between the inner and said one outer wall, the inner wall being secured to the other outer wall entirely across the unsecured end region to close the latter between the inner and said other outer wall, and a pocket exteriorly on an outer wall opening toward an end thereof and terminating in a closure medially of the outer walls.
Patent CA-1212300-A (CA)
Inventor: FINNIGAN HENRY W
IPC: F02D29/00
Filed: 1984-01-04
Granted: 1986-10-07
Abstract: ABSTRACT.            APPARATUS FOR THE CONTROL OF AN AERIAL PROPELLER.            Apparatus for controlling the pitch of the blades of a variable pitch, governor controlled, aerial propeller of which the pitch of the blades is variable between a coarse pitch limit and a fine pitch limit to match the torque of its prime mover has holding means (A) to maintain a forward thrust-generating blade pitch angle greater than the fine pitch limit with the prime mover idling as when an aircraft propelled by the propeller is taxi-ing whereby the propeller rotates more slowly, and hence more quietly, than it would otherwise.            Preferably the holding means is effective by actuating a lock pitch solenoid valve (21) and an autofeather valve (18).
Patent CA-1207373-A (CA)
Inventor: MCINTOSH WALTER L
IPC: B41B19/01
Filed: 1984-01-10
Granted: 1986-07-08
Abstract: ABSTRACT                Automatic control of exposure level and contrast correction for a photographic printer is disclosed.      The printer uses dynamic masking achieved by modulating the intensity and velocity of a CRT scanning spot.  A prescan is employed to evaluate the negative and establish exposure level and contrast grade excursion limits for the subsequent exposure.  Different control systems are disclosed for contact printing and projection printing.
Patent CA-1207459-A (CA)
Inventor: SHERWOOD MICHAEL D
IPC: G07F7/08
Filed: 1984-01-20
Granted: 1986-07-08
Abstract: ABSTRACT     Credit  cards  to  be  used  with automated systems such as vending machines or the like have various identification and  other data  encoded  on  them  for use with a particular system for which they are intended.  To prevent persons  familiar  with  the  system operation and the manner of encoding data on such credit cards from developing unauthorized cards which will  work  in  the  system,  a random  number  generator  is used to produce a mask for relocating the bits of encoded data in a random manner to various locations on the  credit  card.   This mask is stored in a microprocessor memory and is used both in encoding and decoding such cards
Patent CA-1221243-A (CA)
Inventor: GRIFFIN PETER J
IPC: C22B34/22
Filed: 1984-02-01
Granted: 1987-05-05
Abstract: TITLE       VANADIUM RECOVERY FROM ASH FROM OIL SANDS     INVENTORS Peter John Griffin Thomas Harvey Etsell ABSTRACT OF THE DISCLOSURE          Vanadium can be recovered efficiently from ash from oil sands of Western Canada by, (a) roasting the ash in air with sodium chloride at from 700°-950°C for 2-12 hours to form a calcine, (b) leaching the calcine with aqueous leachant of pH 5-12 at temperatures up to the boiling point, (c) precipitating the vanadium as ammonium metavanadate by one of, i) acidifying the loaded leachant and adding an ammonium salt, ii) solvent extracting the loaded leachant, stripping the loaded solvent with dilute acid and adding an ammonium salt to the strip solution, and (d) heating the ammonium metavanadate to form vanadium pentoxide.
Patent CA-1238481-A (CA)
Inventor: KLAASE PETRUS T A
IPC: B01J19/00
Filed: 1984-02-03
Granted: 1988-06-28
Abstract: METHOD AND APPARATUS FOR MANUFACTURING        AN ELECTRET FILTER MEDIVM                          Abstract The present invention relates to a continuous method for manufacturing an electret filter medium from dielectric material having an open or porous structure, said method comprising the steps of continuously feeding a web of dielectric material with a substantially closed dielectric  foil  adjacent  to  at  least  one  major  face thereof  into  a  corona  discharge  device,  reducing  the thickness of the web of dielectric material and charging the web of reduced thickness dielectric material by means of a corona discharge and to apparatus for carrying out said method.
Patent CA-1214777-A (CA)
Inventor: TAKEDA KUNIHIKO
IPC: C08F12/32
Filed: 1984-03-13
Granted: 1986-12-02
Abstract: ABSTRACT          Basic benzimidazolyl compounds of general formula:       wherein R1 is H or a C1-4 hydrocarbon group and Z is a group of general formula:       wherein R2 and R3 is each, independently, H, a C1-10 hydrocarbon group or a C2-10 carboxyalkyl group are disclosed.  These compounds may be prepared by reacting vinylbenzaldehyde with an o-phenylene-diamine.  The compounds are readily polymerized to provide linear homo- or copolymers, or cross-linked copolymers having pendant benzimidazolylphenyl groups.  These polymers have greater resistance to oxidation and chemical attack than their homo-logues, and are useful as ion exchange resins or chelating agents for metals.
Patent CA-1214350-A (CA)
Inventor: NISHIDA SHIGEKI
IPC: G03B27/73
Filed: 1984-03-22
Granted: 1986-11-25
Abstract: ABSTRACT OF THE DISCLOSURE     A new method of making it possible to quickly and easily determine the optimum exposure conditions for a photographic color printer is disclosed.  The method is per-formed by way of the steps of preparing a plurality of test prints under different exposure condition using a standard negative film, measuring optical density for each of color components on the test prints, comparing their optical den-sity with that of corresponding color component on a stand-ard print, detecting change in optical density per unit positional change of correction key on each of the test prints with respect to each of color components, and deter-mining corrective value required for correcting density difference between each of test prints and standard print with reference to the above change in optical density per unit positional change of correction key.  The color printer includes four lines of exposure correction keys comprising density keys, yellow keys, magenta keys and cyan keys and an exposure condition for test prints is determined such that one of exposure condition correction keys selected from the four lines is a correction key ranked above or below normal keys and all other keys are normal keys.
Patent CA-1218365-A (CA)
Inventor: AOKI KATSUMICHI
IPC: C07D417/04
Filed: 1984-03-30
Granted: 1987-02-24
Abstract: DERIVATIVES OF TETRAHYDROBENZOTHIAZOLE AND METHODS          OF CONTROLLING WEEDS BY APPLICATION THEREOF             Abstract Disclosed herein are a derivative of tetrahydro-benzothiazole represented by the formula (I):                          (I) wherein R represents a hydrogen atom, a hydroxyl group or a lower acyloxy group such as acetoxy group and pro-pionyloxy group and X represents a methylene group, C1 to C4-alkylimino group, benzylimino group or -O- and methods of controlling weeds by application of this derivative.
Patent CA-1207935-A (CA)
Inventor: SANDERS ALBERT J JR
IPC: C08J7/04
Filed: 1984-05-07
Granted: 1986-07-15
Abstract: ABSTRACT OF THE DISCLOSURE           Coating compositions are provided herein comprising an aqueous emulsion of (1) a mixture of silicone fluids consisting of (a) an amino-functional silicone fluid and (b) an organopolysiloxane fluid, (2) nonionic emulsifying agents and (3) an ultraviolet radiation absorbing agent. This composition does not significantly deteriorate when exposed to sun-light, does not discolor, and protects the substrate to which it is applied.
Patent CA-1210610-A (CA)
Inventor: ENGELKE ROGER P
IPC: G01F1/34
Filed: 1984-05-09
Granted: 1986-09-02
Abstract: Abstract of the Disclosure A sensor in an air conditioning duct produces a differential pressure signal which varies as a function of the volumetric flow rate of air through the duct. The sensor includes an array of angularly spaced and radially extending arms disposed around and across the duct and each having upstream and downstream sensing tubes formed with ports spaced along their upstream and downstream sides, respectively. Pressure signals are transmitted to the tubes by way of the ports and are averaged by high and low pressure averaging chambers located at the center of the sensor and communicating with the upstream and downstream sensing tubes, respectively. The output signals from the averaging chambers constitute a differential pressure signal which is highly representative of the volumetric flow rate of the air even though the air flows through the duct in an asymmetrical pattern.
Patent CA-1222977-A (CA)
Inventor: FERRERO PIETRO
IPC: A47G21/00
Filed: 1984-06-19
Granted: 1987-06-16
Abstract: ABSTRACT OF THE DISCLOSURE            "Package for food products, particularly sweet products"            A package for a rigid or semi-rigid food product has a wrapper sheet which encloses the product and which can be torn along a transverse rupture line, and a take-up member which at least partly surrounds the portion of the wrapper sheet between one end of the product and the rupture line and by means of which the product may be held for consumption.
Patent CA-1218648-A (CA)
Inventor: VOLPENHEIN ROBERT A
IPC: C07H13/06
Filed: 1984-06-21
Granted: 1987-03-03
Abstract: SYNTHESIS OF HIGHER POLYOL    FATTY ACID POLYESTERS USING CARBONATE CATALYSTS             ABSTRACT OF THE DISCLOSURE       An improved solvent-free transesterification process for producing polyol fatty acid polyesters is disclosed.  In this process, a mixture of a polyol, a fatty acid methyl, 2-methoxy ethyl or benzyl ester, an alkali metal fatty acid soap, and potassium carbonate, sodium carbonate or barium carbonate as a catalyst is heated to form a homogeneous melt.  To this melt is subsequently added excess fatty acid methyl, 2-methoxy ethyl or benzyl ester, yielding the desired polyol fatty acid polyesters.
Patent CA-1229807-A (CA)
Inventor: TRESO BERTALAN
IPC: C02F1/465
Filed: 1984-07-04
Granted: 1987-12-01
Abstract: For the biological conversion of substrates, particularly the sewage water purification, charging of the microbial material with the substrate is improved by applying an electric field during the charging and/or a flotation using pulsating direct current. By applying this electric field only during the charging and/or the flotation the actual biological conversion can take place in an aerobic or anaerobic process according to optional values.
Patent CA-1258253-A (CA)
Title: Container and lid
Inventor: JACOBS STANLEY A
IPC: B65D41/22
Filed: 1984-07-13
Granted: 1989-08-08
Abstract: A one-piece tightly fitting, molded plastic lid intended to be used in association with a container having a laterally protruding lip extending about the perimeter of its mouth. The plastic lid is provided with a surrounding depending sidewall having a relatively thin upper web segment which is adapted to deform heightwise to conform to the shape of the protruding container lip as the lid is fitted onto the container. The lower region of the lid sidewall has a resilient skirt which is thicker than the web segment and thus has a greater elastic memory. The sidewall skirt stretches when forced over the protruding lip and then the skirt retracts radially inwardly closely adjacent to the outside wall of the container immediately below the lip to stretch the deformable web segment tightly over the lip to seal the mouth of the container. The lid sidewall is smooth and shoulderless on its interior surface to facilitate the fit of the sidewall over the lip of the container. One lid may be used with a variety of container lips having different sizes, shapes and compositions.
Patent CA-1222880-A (CA)
Inventor: STEWART ROBERT E
IPC: G01P15/08
Filed: 1984-09-26
Granted: 1987-06-16
Abstract: A two axis rate and linear acceleration detecting multisensor is formed by mounting a pair of accelerometers of the constrained mass type within a case. The accelerometers are mounted orthogonal to each other in vibratory units responsive to an electromagnet therebetween Rate is determined from the coriolis acceleration force experienced by the accelerometers which vibrate 180 degrees out of phase to minimize signal distortions resulting from transference of vibrational energy to the case and mountings.
Patent CA-1263200-A (CA)
Inventor: KHALIL HAMDY
IPC: A01N59/00
Filed: 1984-11-15
Granted: 1989-11-21
Abstract: ANTIMICROBIAL AGENT FOR LATEX   Abstract of the Disclosure An improved method is provided for inhibiting the growth of microorganisms in a latex comprising one or more synthetic polymers, said process comprising admixing with said latex an antimicrobially effective amount of an antimicrobial agent selected from chlorine dioxide gas, aqueous solutions of chlorine dioxide, and two or more chemical compounds which react upon mixing to form chlorine dioxide.
Patent CA-1214570-A (CA)
Inventor: JOHNSON DANIEL D
IPC: H05K3/40
Filed: 1984-12-04
Granted: 1986-11-25
Abstract: TITLE PROCESS USING PLASMA FOR FORMING CONDUCTIVE THROUGH-HOLES THROUGH        A DIELECTRIC LAYER   ABSTRACT A  conductive  through-hole  is  formed  by plasma etching a hole completely through a dielectric sandwiched  between  conductors  and  by  deforming  at least  one conductor which has been undercut during the etching.
Patent CA-1240451-A (CA)
Inventor: DEHNERT CHRISTIANE
IPC: H01R13/426
Filed: 1985-01-21
Granted: 1988-08-16
Abstract: A PANTY-LIKE GARMENT OF TEXTILE MATERIAL     ABSTRACT            A panty-like garment (12) of textile material com-prising a waistband (10) whose width corresponds to about one quarter to one-half, preferably to about one-third, of the overall length (L) of the garment (12).            (Figure)
Patent CA-1249006-A (CA)
Inventor: VOGT JAMES L
IPC: G05G9/047
Filed: 1985-05-08
Granted: 1989-01-17
Abstract: "JOY-STICK" AND ROCKER SWITCH CONTROL MECHANISM Abstract Control mechanism employing a "joy-stick" unit in conjunction with electrical rocker switches, featuring a mounting bracket secured to the joy-stick unit and carry-ing a pair of rocker switches.  The angularly movable elements of the unit are transmitted to the switches by hairpin-like "shafts" having legs engaging the faces of the respective switches.
Patent CA-1238545-A (CA)
Inventor: BISSETT DONALD L
IPC: C11D1/94
Filed: 1985-06-21
Granted: 1988-06-28
Abstract: MILD DETERGENT COMPOSITIONS Abstract of The Disclosure Mild detergent compositions comprise mild, water soluble, foaming anionic detergent surfactants and a mixture of small amounts of betaine surfactant and amine oxide suds booster.
Patent CA-1274851-A (CA)
Inventor: HARRIS EUGENE G
IPC: C07C43/205
Filed: 1985-07-26
Granted: 1990-10-02
Abstract: ABSTRACT OF THE DISCLOSURE          Compounds of the general structure   useful as fragrant additives and the fragrance compositions resulting therefrom.
Patent CA-1263903-A (CA)
Title: Hollow fiber for dialysis and method for manufacture  thereof
Inventor: SUZUKI KAZUHIKO
IPC: B01D71/10
Filed: 1985-08-26
Granted: 1989-12-19
Abstract: ABSTRACT OF THE DISCLOSURE          Unstretched hollow fibers of cuprammonium cellulose for dialysis possessing a film structure having a porosity of 15 to 25%, a pore diameter of 25 to 40 A, and an ultrafiltration ratio of 3.0 to 5.5 ml/mmHg.hr.m2 are obtained by:  directly discharging a cuprammonium cellulose spinning dope possessing a cellulose concentration of 6.0 to 8.7% and a viscosity of 500 to 1,300 poises (at 20°C) through annular spinning orifices into a non-coagulating solution in a bath filled with a coagulating solution in the upper layer and the non-coagulating solution in the lower layer and, at the same time, allowing the non-coagulating solution to enter and fill up the interiors of the discharged tubes of the spinning dope; then passing the tubes of the spinning dope through the coagulating solution thereby allowing the tubes to be coagulated and allowing the resultant wet hollow fibers to be shaken down onto a conveyor device without being stretched, subjecting the hollow fibers to coagulation, regeneration, and washing the fibers with water while in motion as carried on the conveyor device; then subjecting the regenerated hollow fibers to plasticization, and further shrinking and drying the resultant hollow fibers.  The linear speed ratio of the spinning dope discharged through the spinning orifices and the non-coagulating solution allowed to enter and fill up the interiors of the tubes of the spinning dope is 1.2 to 3Ø