baber/WOPTO huggingface dataset:
Patent CA-1304492-C (CA)
Title: Flexoelectric liquid crystal device
Inventor: MEYER ROBERT B
IPC: G02F1/137
Filed: 1988-02-23
Granted: 1992-06-30
Abstract: Abstract A liquid crystal device includes a liquid crystal material in which the molecules form a helix having its axis essentially parallel to the plates of the device. A suitable electric field, applied essentially perpendicular to the plates, causes planes of the directors to rotate about the field direction to an acute angle ? with respect to the helix axis, thereby inducing alternating bands of splay and bend in the material. Suchconfigurations, which have polar symmetry, give rise to the flexoelectric effect in which the polarization of the molecules tends to be parallel to the applied field, and the magnitude of the field is linearly related to tan ?. The ability to rotate the directors means that the optical properties of the material can be changed
Patent CA-1297687-C (CA)
Title: Receptacle device
Inventor: WEHRMACHER WILLIAM H
IPC: E05B49/02
Filed: 1988-02-24
Granted: 1992-03-24
Abstract: IMPROVED RECEPTACLE DEVICE          Abstract of the Disclosure An improved receptacle for a key-like device containing an embedded electronic circuit component with electrical leads extending to the surface of the key to form electrical contact areas thereon.  The receptacle defines a keyway in which a plurality of exposed contact pins are positioned and spaced inside the receptacle to correspond to the spacing of the electrical contact areas on the key-like device for mating therewith upon insertion of the key device.  The receptacle includes a protection sleeve which functions as a guard means for the contact pins.  The receptacle is designed to be combined with a printed circuit board by insertion of the outer ends of the contact pins, which extend through and out of a side of the recep-tacle, into the circuit board.  The contact pins may be received into a variety of predetermined patterns of connectors on the circuit board facilitating electrical connection of the receptacle contact pins to a variety of standardized electrical connectors.  Wave soldering may be used to attach the receptacle contact pins to the printed circuit board.
Patent CA-1330366-C (CA)
Title: 3-dimensional vision system utilizing coherent optical detection
Inventor: GOODWIN FRANK E
IPC: G01S17/06
Filed: 1988-03-17
Granted: 1994-06-21
Abstract: COHERENT OPTICAL DETECTION   Abstract of the Disclosure A three-dimensional optical scanning vision system capable of producing high-resolution images in real-time includes an optical source (100) for pro-ducing a source light beam.  The source light beam is directed to a beam splitter (104) which splits it into a local oscillator beam and a signal beam.  The local oscillator beam is directed toward a  photo-detector (106), while the signal light beam is directed toward a target (112).  Light reflected from the tar-get (112) is received by the beam splitter (104) and directed toward a retroreflector (118) which returns the beam to the beam splitter (104) interface.  Quarter wave plates (110,116) and the retroreflector (118) insure that the return light beam and the local oscil-lator beam are collimated and have the same polariza-tion state.  Mixing the local oscillator beam and the return  light beam occurs at the beam splitter (104) interface, thus providing coherent optical detection by the photodetector (106).  The photodetector thus provides an output signal providing a high degree of information about the target. The system also includes scanner optics (2) to scan the signal light beam across the target.  A processor (20) is also included for outputting a three-dimensional image of the target, and for controlling the scanner optics (2).
Patent CA-1313213-C (CA)
Inventor: OBRIST BASIL
IPC: B25J15/04
Filed: 1988-03-29
Granted: 1993-01-26
Abstract: ABSTRACT            The invention provides an apparatus fur detachably connecting a tool to a manipulating device, e.g. an industrial robot. The apparatus includes a tool holder and a coupling member fastened to the robot. The coupling member has a free frontal surface on which the tool holder rests. A plurality of air channels and electric contacts merge into the free frontal surface in a peripheral region thereof. Four projecting centering pins are provided in the center of the free frontal surface. The tool holder is provided with correspondingly located air channels and electric contacts as well as with a centrally arranged centering disc which is rigid in circumferential direction and axially resilient. The disc has apertures in which the center-ing pins enter when the tool holder is -fixed to the coupling member, Thus, the tool holder is precisely centered and all pneumatic and electric connections are automatically established.
Patent CA-1309035-C (CA)
Title: Closure for a canister
Inventor: SCHIEMANN WOLFRAM
IPC: B65D43/26
Filed: 1988-06-06
Granted: 1992-10-20
Abstract: ABSTRACT        A closure for a plastic canister having a capacity within the 20-30 liter-range, has a plastic pouring nozzle integral with the canister a collar which is coaxial to the pouring nozzle.  At the sides, the collar bears two abutments for the claws of a claw-type closure, having a cap with sealing ring.  The closure has a first hinge half which projects from the rearward periphery of the collar, and a second hinge half which cooperates with the first and is provided on the rearward edge of the cap.  The second hinge half has a shape, which prevents swinging shut when the cap is open.  Two journals are provided in the lateral edge region of the cap.  A claw is provided which, in plan view, is approximately U-shaped and has a transverse gripping web and two longitudinal webs emanating from the end regions of the latter, each longitudinal web ending at its free end in a fork having two prongs, the prong which is uppermost in the closed condition forming, together with the journal, a swivel hinge and the lower prong cooperating by its inner surface with the lower surface of the abutment in a manner such that, when the gripping web is pressed downward, the sealing ring is pressed onto an end face of the pouring nozzle.  When the closure is closed, the collar fits against the cap with minimal spacings and the claw fits against the collar and the cap with minimal spacings, and although the spacings permit the relative movements which occur during opening and closing, they are smaller than the deformations occurring in event of impact loads.
Patent CA-1327091-C (CA)
Title: Adhesive polymer
Inventor: RANCE ROBERT W
IPC: C08F236/10
Filed: 1988-06-22
Granted: 1994-02-15
Abstract: ABSTRACT     Improved adhesive polymers based on monovinylidene aromatic and conjugated diene monomers (e.g.  styrene and butadiene) are prepared using a hydroxyalkyl (meth)acrylate monomer and itaconic acid to provide improved combinations of shear strength and tack.  Itaconic acid is used in the range of 0.5 to 5 percent by weight and the hydroxyalkyl (meth)acrylate in the range of 1.5 to 17 weight percent.  Hydroxyethyl acrylate is a preferred hydroxyalkyl [meth)acrylate compound.
Patent CA-1323288-C (CA)
Title: Structural element formed of a resin-hardened velour fabric and fabrication method
Inventor: BOETTGER WOLFGANG
IPC: E04C2/34
Filed: 1988-07-15
Granted: 1993-10-19
Abstract: ABSTRACT           A structure based on velour fabric, having at least a first layer and a second layer and intermediate ribs connecting these layers provides a production-efficient, stable and nevertheless light-weight product.  The velour fabric is made of a commercial yarn such as aramid fiber, carbon fiber, ceramic fiber or in particular glass fiber.          The velour fabric is resin-hardened, wherein the intermediate ribs form rigid spacing elements between the first layer and the second layer.
Patent CA-1306988-C (CA)
Inventor: KUSANO HIROSHI
IPC: B01J20/32
Filed: 1988-07-20
Granted: 1992-09-01
Abstract: ABSTRACT OF THE DISCLOSURE A separation medium useful as an adsorbent of liquid chromatography for optical resolution of racemic mixtures is disclosed, which comprises a reversed phase support  coated  with  an  optically  active  amino  acid derivative represented by formula (I):                               (I) wherein R1 represents a straight or branched alkyl group having from 1 to 3 carbon atoms:   and R2 and R3 each represents a  straight  or  branched alkyl  group having from 4 to 12 carbon atoms which may contain an aromatic group or an unsaturated alkyl group.        The separation medium is applicable to optical resolution  of  a  wide  range  of  DL-amino  acids  and exhibits excellent durability.
Patent CA-1328145-C (CA)
Inventor: YUYAMA MASAHIRO
IPC: C08F20/52
Filed: 1988-07-29
Granted: 1994-03-29
Abstract: Abstract:        A thermoplastic copolymer which comprises (a) 2.0 to 22.0% by weight of a methyl methacrylate unit, (b) 38.0 to 70.0% by weight of a styrene unit, and 20.0 to 45.0% by weight in total of both (c) a methacrylic acid unit and (d) an acid anhydride unit having a 6-membered ring structure, said acid anhydride unit having a 6-membered ring structure being in an amount of not less than 16.0% by weight per total amount of units (c) and (d), and said copolymer having a reduced viscosity of 0.3 to 1.5 dl/g (measured in a 1% solution in dimethylformamide at 25°C), which has well balanced heat distortion resisting property, water absorp-tion properties and mechanical strength and excellent heat stability in fabrication thereof.  It is useful in the production of various articles including automobile parts, electrical parts, industrial parts and miscellaneous goods.
Patent CA-1337661-C (CA)
Inventor: IDE RUSSELL D
IPC: F16C17/03
Filed: 1988-09-19
Granted: 1995-11-28
Abstract: A hydrodynamic bearing and methods of manufacturing the same.  The bearing includes a bearing pad structure that may change  shape  and  move  in  any  direction  (six  degrees  of freedom)   to  form  a  converging  wedge  for  hydrodynamic operation, and to adjust for any shaft misalignment.  The pad is separated from the support member by one or more beam-like members the beams extend substantially parallel to the plane of the face of the pad.  The beams allow deflection of the pad by either deflecting or twisting in a torsional mode. The bearings may be made of a wide variety of materials including, plastics,  ceramics,  powdered metals,  composites and metals.          The  bearings  may  be  manufactured  by  injection  molding, casting,  powdered  metal  die  casting,  extrusion,  electric discharge or laser cutting.
Patent CA-1332956-C (CA)
Title: Assembling, control and repair bed for motor vehicles
Inventor: PEYRET LUCIEN
IPC: G01B5/00
Filed: 1988-10-05
Granted: 1994-11-08
Abstract: PCT No. PCT/FR88/00492 Sec. 371 Date Jul. 13, 1989 Sec. 102(e) Date Jul. 13, 1989 PCT Filed Oct. 5, 1988 PCT Pub. No. WO89/03504 PCT Pub. Date Apr. 20, 1989.A rack is disclosed for the assembly, inspection, and repairing of vehicle bodies. The rack is formed primarily of rectangular tubing and has two side members which are joined by two cross members. The side members have guide rails and grooves which allow quickly adjustable positioning of various supports and accessories. The side members and cross members have a plurality of formed holes at spaced intervals to accept locating dowels for the proper positioning of supports and base plates. The supports and base plates are mounted with a quick clamping mechanism. Also provided are clamps for holding the bodywork which have a simple height adjustment mechanism. Removable transverse ends allow good access to the interior of the rack and to the vehicle bodywork.
Patent CA-1298529-C (CA)
Title: Vent structure for flush water holding tank of vehicle toilets
Inventor: ANTOS JOHN M
IPC: F16K24/00
Filed: 1988-10-14
Granted: 1992-04-07
Abstract: ABSTRACT     An improved vent structure  for a toilet  which is normally  open but automatically  closable  depending  on the  water  level  whereby  to prevent unwanted spills allows air to escape from the interior of a flush water holding tank.   A cruciform  shaped stem including  a buoyant  body attached thereto  reciprocates in  a bore,  and a  seal, provided  by  an interior bellows or  by the buoyant  body, closes the  air path when  the stem is buoyed upwardly by a rise in the water level.
Patent CA-1337056-C (CA)
Inventor: OVERTON BOB J
IPC: B29C48/00
Filed: 1988-10-26
Granted: 1995-09-19
Abstract: Drawn optical fiber is provided with at least one layer of a coating material. The coating material typically is a UV curable material and provides the optical fiber with mechanical and environmental protection. It has been found that the temperature at which the optical fiber is cured has a pronounced effect on the modulus of the cured coating material. In order to provide a coated optical fiber of which the coating material has a desired modulus, the temperature of the coating material during cure is controlled by controlling the amount of energy of infrared wavelength which impinges on the coating material.
Patent CA-1330289-C (CA)
Title: Mandrel means
Inventor: PERKINS DAVID J B
IPC: B26D7/20
Filed: 1988-11-10
Granted: 1994-06-21
Abstract: ABSTRACT                                        (Fig. 7) "Mandrel Means"            Mandrel means for forming tubular articles of an infinitely variable range of sizes by helical winding of strip material (25) around the mandrel means comprises a support surface defined by an endless belt (37) which extends around two support drums (36) the spacing of which is selectively variable. The mandrel means additionally comprises a belt guide assembly (38)(39)  which preferably diverts the belt (37)  to follow an inwardly extending path between the support drums (36) and thereby results in a peripheral discontinuity in the mandrel means support surface.      The belt guide assembly may also incorporate a roller (39) to maintain tension in the belt (37) irrespective of the spacing of the support drums (36). Cutter means may be provided to cut a wound tubular article in the vicinity of the support surface discontinuity.
Patent CA-1323021-C (CA)
Inventor: REUTER JAMES D
IPC: B64D17/26
Filed: 1988-11-21
Granted: 1993-10-12
Abstract: RADIALLY CONSTRUCTED CRUCIFORM PARACHUTE                 ABSTRACT OF THE DISCLOSURE           An improved cruciform parachute being radially constructing having a canopy which is hemispherically-shaped with an apex at the uppermost portion thereof.  A plurality of panels extend vertically from adjacent the apex to a lower canopy edge.  Each panel includes an upper panel section and a lower panel section with an intermediate edge therebetween.          A plurality of open sections are defined by the lower panel sections of certain of the panel members in order to define a plurality of gores.  These gores are diametrically opposite from other similarly shaped gores with each cruciform parachute having four such gores.  Each gore is preferably defined by two adjacent panel members having lower panel sections defining open sections therein.  Preferably the intermediate edge immediately above two adjacent lower panel members which are open will be inclined upwardly toward one another to form a conventional cruciform parachute gore but with a radial construction.
Patent CA-1322036-C (CA)
Inventor: SUZUKI FIJIYUKI
IPC: F02D45/00
Filed: 1988-12-07
Granted: 1993-09-07
Abstract: DIAGNOSIS ARRANGEMENT FOR VEHICLE ENGINE CONTROLLER      ABSTRACT OF THE DISCLOSURE A diagnosis arrangement for a vehicle engine con-troller includes a control arrangement which examines a signal identifying the activation of an auxiliary control system of the engine and which determines whether the auxiliary engine control system, which includes a device controlled by a particular control program selected from a plurality of programs stored therein, is actuated in a manner corresponding to the selected control program.
Patent CA-1334201-C (CA)
Title: Cardiotonic alkanoyl and aroyl oxazolones
Inventor: SCHNETTLER RICHARD A
IPC: C07D263/38
Filed: 1989-02-15
Granted: 1995-01-31
Abstract: This invention relates to the use of certain alkanoyl and aroyl oxazolones to enhance myocardial contractile force. These compounds are useful as cardiotonics in the treatment of heart failure as well as the use of these compounds as vasodilators, to enhance myocardial contrac-tile force, their pharmaceutical compositions, and the process of their preparation.
Patent CA-1315366-C (CA)
Inventor: SLICER ALLEN E
IPC: H02G5/06
Filed: 1989-02-24
Granted: 1993-03-30
Abstract: ABSTRACT OF THE DISCLOSURE           A busbar corner housing includes outer and inner side walls secured to one another through flanges spaced from the corner bend.  This leaves opposed openings that are substantially closed by plate-like corner covers.  Each corner cover has a channel that conforms to the configuration of the outer and inner side wall  and engages and abuts against the side walls.  Each corner cover also includes a passage through which silicone caulking materials can be forced to fill the spaces under the corner covers with caulking material, with excess caulking material being extruded out of sliver gaps between the corner covers and side walls to fill the sliver gaps and seal the housing against intrusion of moisture.
Patent CA-1323613-C (CA)
Inventor: LOCATI ANTONIO
IPC: B65D51/28
Filed: 1989-03-01
Granted: 1993-10-26
Abstract: ABSTRACT "Closure device, particularly for Packages for food products" The  device  includes  a main body  (2)  which  can be coupled  to  a  package  with  a  dished  cavity  (107) intended to face outwardly of the package, as well as a container  (120)  which can be inserted in the cavity (107) and includes a dished member and a flat member. The cavity has a grip formation (110) on its periphery for cooperating with a complementary formation (111) on the edge of the mouth of the bottom of the container (120).  The container (120) is thus held firmly within the  cavity,  making  it more difficult  for  it to be tampered with from outside the package.            (Figure 10).
Patent CA-1308456-C (CA)
Title: Paper handling with sensor means
Inventor: SANZ JOSE A M
IPC: B65H45/14
Filed: 1989-04-07
Granted: 1992-10-06
Abstract: ABSTRACT OF THE INVENTION       A folder inserter machine includes a device for monitoring the passage of stationery items between a pair of feed rollers (32, 38). A first signal is output if a single item is between the rollers and a second signal is output if more than one item is between the rollers. In the illustrated embodiment the first signal indicates to the folder inserter control that the machine is ready to accept a second insert and the second signal indicates that a multiple feed has occurred and flags 3 warning to the operator.
Patent CA-1341225-C (CA)
Inventor: ISHII TOSHITSUGU
IPC: C01B21/06
Filed: 1989-04-17
Granted: 2001-05-01
Abstract: Metal nitride powder is prepared by heating a mixture substantially containing powder of a metal oxide or a metal hydroxide in a mixed gas of ammonia gas (NH3) and a hydrocarbon gas (CmHn) at a temperature ranging from 800°C to 1,600°C, in which the mixed gas is used in a ratio of the ammonia gas (NH3) to the hydrocarbon gas (CmHn) translated into CH4, of 10 (NH3) to 1.0 (CH4) to 2,000 (NH3) to 1 (CH4), by volume.      The metal nitride powder contains lesser amounts of oxygen and carbon.
Patent CA-1290425-C (CA)
Title: Time based cooling below set point temperature
Inventor: HELT ROBERT W
IPC: F25B49/02
Filed: 1989-05-29
Granted: 1991-10-08
Abstract: Title TIME BASED COOLING BELOW SET POINT TEMPERATURE                             Inventors Robert W. Helt John D. Neal Abstract A method of controlling a refrigeration compressor involves momentarily energizing the compressor after extended off periods.  When the temperature of a comfort zone remains below its set point temperature for an extended period, such as at night, periodically energizing the compressor for brief periods improves the comfort level of the zone.
Patent CA-1331481-C (CA)
Inventor: LEUPOLD HERBERT A
IPC: H01F7/02
Filed: 1989-06-12
Granted: 1994-08-16
Abstract: ABSTRACT OF THE DISCOLSURE         A linear array of clad truncated magic ring segments.          Each segment has an entrance and exit hole in its respective cladding magnets.  The individual segments are arranged to provide a periodic permanent magnet structure suitable for use in a wiggler or a twister.
Patent CA-1309699-C (CA)
Inventor: CAWLEY SCOTT A
IPC: B65F1/16
Filed: 1989-07-19
Granted: 1992-11-03
Abstract: ABSTRACT         A closure means for industrial waste bins of the type which can be inverted and emptied into a waste removal truck.   The closure means comprises a hinged frame for connecting to the opening of a bin.   The frame includes a fixed lid and a movable lid.  The movable lid is displaceable along inclined support guides located on opposite marginal sections of th frame in such a manner that in an open arrangement it overlies the fixed lid and in a closed arrangement it forms a seal between the hinged frame and a marginal upper edge of the fixed lid.
Patent CA-1332693-C (CA)
Inventor: JOHNSON ROGER D
IPC: B26D7/06
Filed: 1989-07-27
Granted: 1994-10-25
Abstract: ABSTRACT    Apparatus for sizing a mix of randomly sized food pieces into chunks of a predetermined maximum length.  The apparatus includes a carrier drum and a cutting drum mounted on parallel shafts which are interconnected for rotation in opposing directions.  The carrier drum has a plurality of parallel longitudinal bars mounted equidistant around the periphery of the drum, spaced apart a dis-tance equal to the desired maximum length of the food chunks.  The cutting drum carries a plurality of elongated cutting blades mounted parallel to the longitudinal bars on the carrier drum and spaced apart the same distance as the longitudinal bars.  The drums are aligned so that upon rotation of the drums the blades cooperate with the longitudinal bars to sever elongated food pieces carried on the surface of the bars into the nip between the drums, without striking against the bars.  A conveyor mounted adjacent the carrier drum delivers a mix of randomly sized food pieces onto the carrier drum, with the longitudinal axes of the elongated pieces in the mix being aligned so that the elongated pieces are deposited on the longitudi-nal bars of the rotating carrier drum perpendicular to the axes of the bars and are carried into the nip between the counter rotating drum where they are cut to a desired length.
Patent CA-1313217-C (CA)
Title: Membrane touch control panel assembly for an appliance with a glass control panel
Inventor: SMITH JOHN M
IPC: H01H13/702
Filed: 1989-07-31
Granted: 1993-01-26
Abstract: MEMBRANE TOUCH CONTROL PANEL ASSEMBLY FOR   AN APPLIANCE WITH A GLASS CONTROL PANEL              ABSTRACT OF THE DISCLOSURE           An appliance with a glass control panel is provided with a membrane touch control panel assembly which simulates the appearance of a glass capacitive touch panel, and which can tolerate relatively harsh temperature environments such as on the backsplash of a range.