baber/WOPTO huggingface dataset:
Patent CA-2078171-A1 (CA)
Inventor: SATOU TYUJI
IPC: F02D41/04
Filed: 1992-09-14
Abstract: To the end of improving an engine control method which can switch over the valve operating property of the engine in a step-wise manner according to the operating condition of the engine and which can control the slipping of the driven wheels through the use of a leaner air/fuel mixture so that it may not be undesirably affected by the deviations of the actual values of various parameters from the designed values of the parameters, the engine speed and/or the load condition at which the valve operating mode is to be switched over is shifted to a higher value when a traction control is in effect (when a control process involving a leaner air/fuel mixture is being executed), the width of hysteresis of the point at which the valve operating mode is to be switched over is increased when a traction control is in effect, or the air/fuel mixture is made richer for the high speed mode than for the low speed mode.
Patent CA-2078431-A1 (CA)
Title: Video signals
Inventor: WESTON MARTIN
IPC: H04N11/16
Filed: 1992-01-24
Abstract: Cross talk between luminance and chrominance is eliminated in a Weston Clean PAL codec by replacing the band pass filter used in a conventional codec with a high pass filter (L) and introducing a compensating low pass filter (X) into the chrominance path, the filters being chosen such that L=4F'*(1-F') and X(f)=(F'(f):(1-F'(f)) where F'=F(2fsc-f) and L is a low pass (5.5 MHz) filter 248 applied before transmission in the PAL channel.
Patent CA-2080434-A1 (CA)
Inventor: MEZEI GEORGE A
IPC: B29C59/04
Filed: 1992-10-13
Abstract: A method and apparatus for marring the surface of a fiber optic substrate by feeding the substrate between a pair of rotating rollers.  One of the rollers is coated with an abrasive.  The second roller may be hard or have a deformable cover.  Alternatively, one or both rollers may be serrated to produce a ripple pattern in the substrate.  A hydraulic, pneumatic or other device is used for either manually and/or automatically adjusting the gap between the rollers.  One or both rollers may also be heated to further enhance the marring action.  A cam mechanism may also be used to adjust the pressure in the nip.
Patent CA-2080808-A1 (CA)
Title: Trailer bearing plate for fifth wheel
Inventor: ATHANS LEONIDAS
IPC: B62D53/08
Filed: 1991-04-18
Abstract: An assembly for coupling a tractor to a trailer is disclosed. The assembly comprises a fifth wheel bearing plate (18) and a trailer bearing plate assembly (20). The trailer bearing plate assembly (20) includes a ring (22) having a collar (24) and is adapted to securely attach to an underside (26) of the trailer. The trailer bearing plate (20) further includes a disk (28) disposed between the collar (24) and the trailer underside (26).
Patent CA-2082920-A1 (CA)
Inventor: CHANDLER GRAEME ALFRED
IPC: B60C7/08
Filed: 1991-05-10
Abstract: 2082920 9117899 PCTABS00008 A tyre comprising a body constructed to deform resiliently under load and a tread provided on the body. The tread comprising a plurality of raised portions (29) disposed in circumferential relationship and defining grooves (49) therebetween. Each raised portion (25) comprising a first central section (27) and a pair of lateral sections (29) each extending outwardly from the central section towards one side of the body. The lateral sections (29) define a V formation and the first central section (27) extends from the V formation in a direction away from the outer ends of the lateral sections (29) and towards the V formation of the next adjacent raised portion. The body may be defined by a plurality of segments (11) individually mountable onto a base.
Patent CA-2084517-A1 (CA)
Title: Mitral heart valve replacements
Inventor: FRATER ROBERT W M
IPC: A61M1/10
Filed: 1991-06-04
Abstract: A mural heart valve replacement of essentially flexible bioincorporable material comprising a generally D-shaped (30) sewing ring having an opening (31) with at least one long straight side portion (32), an anterior cusp (33) hinged contiguously from that straight side portion (32) a posterior cusp (34) hinged contiguously from a shorter side portion (35) of the opening (31) opposite the anterior cusp (33), and two lateral cusps (36A & 368) hinged contiguously one from each of the remaining side portions of the opening (31) extending between adjacent ends of the side portions (35) from which the anterior (33) and posterior cusps (34) are hinged, together with chordae of bioincorporable material extending from edge portions of the cusps for connection to the papillary muscles in the cavity of the ventricle when the sewing ring is sutured to the atrio-ventricular junction of the host or patient heart.
Patent CA-2085364-A1 (CA)
Title: Metal-radionuclide complex comprising isonitrile ligands
Inventor: VERBRUGGEN ALFONS M
IPC: A61K51/04
Filed: 1991-06-14
Abstract: The invention relates to a metal-radionuclide complex comprising isonitrile ligands, said complex having general formula (I), wherein M is a metal-radionuclide selected from radioisotopes of Tc, Ru, Fe, Cr, Mn, Cu, Pb, Ga, As and In; R1 is a straight or branched alkylene group having 2-4 carbon atoms; R2 and R3 each independently represents a methyl group or an ethyl group; R4 is a hydrogen atom or a methyl group; x is an integer from 1 to 8;  and n indicates the charge of the complex and is 0 (neutral) or a positive or negative integer; with the proviso, that the total number of carbon atoms in R1 plus R2 plus R3 plus R4 is from 4 to 6. The invention also relates to a kit comprising said ligand or a metal adduct thereof.
Patent CA-2085865-A1 (CA)
Title: Alarm system
Inventor: SLABOTSKY KEN
IPC: G08B25/04
Filed: 1992-12-18
Abstract: ABSTRACT      The present invention provides an improved security alarm system which utilizes a central control panel, alarms, sensors with associated transponders, and arm/disarm means such as a keypad.  The system is readily expandable and includes high efficiency step up and step down regulators to permit operating at a higher voltage; the system also includes means of setting the addresses of each transponder without the necessity for the installer to keep track of these addresses.
Patent CA-2087744-A1 (CA)
Title: Control device for power amplifier
Inventor: FURUNO KENICHI
IPC: H03F1/30
Filed: 1993-01-21
Abstract: Abstract of the Disclosure A control device for a power amplifier controls the power amplifier upon a rise in output power based on a power variation pattern stored in storage means to suppress a power overshoot which occurs upon a rise in output power.
Patent CA-2088431-A1 (CA)
Title: Process for producing 4-bromomethylbiphenyl compounds
Inventor: SUENAGA SYUJI
IPC: C07B39/00
Filed: 1993-01-29
Abstract: A process for the production of a compound of general formula,   wherein R represents cyano, carboxy which may be esterified or amidated or tetrazolyl which may be substituted, comprising brominating the corresponding methyl compound with a brominating agent such as N-bromoacetamide, N-bromophtalimide, N-bromosuccinimide and so on in a halogenated hydrocarbon solvent in the presence of an azobis compound.
Patent CA-2089016-A1 (CA)
Title: Polyester bag filter
Inventor: FIUMANO FRANK A
IPC: D04H1/54
Filed: 1993-02-08
Abstract: ABSTRACT A bag filter comprising at least one sheet of a polyester filter medium, preferably a polyester high dirt capacity filter medium, having a graded pore structure which has been formed into a bag configuration with an opening, an inside surface, an outside surface, and at least one seam formed at adjoining filter medium portions which have been sewn together and optionally sealed with a thermoplastic tape that has been heat-sealed to the adjoining filter medium portions.
Patent CA-2089300-A1 (CA)
Title: Polygonal-shaped optical coupling member for use with a high brightness light source
Inventor: DAVENPORT JOHN M
IPC: F21V8/00
Filed: 1993-02-11
Abstract: An optical coupling assembly is useful for coupling a source of light, having high brightness and being non-coherent and focussed at a focal plane, to a plurality of optical light conductors. The coupling assembly includes an elongated light transmissive coupling member which has a central longitudinal axis and is disposed between the focal plane of the light source and leading ends of the optical light conductors. The elongated coupling member is any one of a limited number of different polygonal cross-sectional shapes. Also, the coupling member can have either a hollow tubular or a solid configuration. The hollow tubular member is coated with a highly reflective material. In one embodiment, the polygonal cross-sectional shape of the coupling member remains constant along the entire axial length of the coupling member. In another embodiment, the polygonal cross-sectional shape of the coupling member remains constant at a pair of front and rear end portions and at a middle portion disposed between them and decreases and increases along the axial length of the coupling member at front and rear transitional portions respectively disposed between the front end portion and the middle portion and between the middle portion and the rear end portion of the coupling member. The front and rear transitional portions can vary either linearly or non-linearly along their axial lengths.
Patent CA-2089542-A1 (CA)
Title: Pressure relief valve with auxiliary loading device
Inventor: LAI YING-SAN
IPC: F16K17/06
Filed: 1993-02-15
Abstract: Abstract of the Disclosure PRESSURE RELIEF VALVE WITH AUXILIARY LOADING DEVICE  A pressure relief valve including a valve member movable between open and closed positions to control fluid flow.  A body member is provided which receives a piston operatively connected to the valve member for operating same.  The piston defines a first chamber in the valve body extending above the piston and a second chamber extending below the piston.  System fluid is introduced into the chambers and the differential fluid pressure in the chambers applies a loading force to the piston, and therefore to the valve member in its closed position. When the system pressure, and therefore the pressure in the chambers, exceeds a predetermined amount the pressure in one of the chambers is vented, causing the piston to move to an open position and permit opening movement of the valve member.   2d/3952I
Patent CA-2089643-A1 (CA)
Inventor: LYONS BERNARD J
IPC: G21K5/00
Filed: 1991-08-16
Abstract: 2089643 9203839 PCTABS00011 A transmission window (14) for a particle accelerator (10) is formed of a thin foil (14) having a predetermined thickness and having a predetermined length, and when laid flat as a sheet having a transverse dimension. The window is formed to have a locus of a curve in cross-section along the transverse dimension such that a radius of curvature of at least a portion of the curve in cross-section is less than the length of the transverse dimension.  Longitudinal channel and tubular shapes are preferred. Window cooling by gaseous and liquid fluid flows is also described. A  transmission window assembly and a particle beam accelerator are also described. As one example, a liquid material processor and processing method employs either the curved window or a conventional window and advantageously directs liquid material onto the window to cool it, while a particle beam passing through the window enters the liquid material and changes it chemically in a predetermined manner. A mobile transporter enabling relocation of the liquid material processor between process sites is also described.
Patent CA-2091101-A1 (CA)
Title: Pulsimeter capable of properly evaluating amount of exercise at arbitrary time
Inventor: MAEYAMA HACHIRO
IPC: G04G21/02
Filed: 1993-03-05
Abstract: Pulses detected by an earlobe sensor are inputted in a microcomputer, so that the number of pulses is stored every lapse of a prescribed time.  The as-stored numbers of the pulses are so cumulated that an average pulse rate is calculated from the cumulative result.  On the other hand, a pulse rate is calculated from the as-stored numbers of pulses, to calculate a consumed calorie.  A display part indicates the cumulative result of the pulse rates, the consumed calorie and the like with a lapse time.
Patent CA-2092691-A1 (CA)
Title: Method and an arrangement to steer vehicles
Inventor: ABY STIG
IPC: B62D1/26
Filed: 1991-09-13
Abstract: Abstract: A method and an arrangement to steer vehicles in a guideway (12) having a guide rail (8) and power rails (9). The front wheels (14) of the vehicle (11) are guided by guiding carriages (16), which are arranged to be able to be raised against the guide rail (8) and follow the guide rail. Simul-taneously it is attained contact between contact devices (19) arranged on the guiding carriages (16) and power rails (9) for conducting power, signals and earth.
Patent CA-2096024-A1 (CA)
Inventor: BASSTEIN AUGUSTINUS F H
IPC: B23F21/16
Filed: 1991-11-29
Abstract: A tool for producing crown wheels by means of a generating process comprises a disc which is rotatable about its axis, with machining elements which are provided on the periphery thereof and the cutting edges of which lie in the outer surface of a profile determining the shape of the teeth of a crown wheel to be produced with the tool, said profile extending essentially helically over the periphery of the disc. In each cross-section of the helical profile the outer contour (25) of the cross-section is at least composed of a part of the outer contour of the tooth profile of an imaginary gear wheel (23) with involute teeth and preferably straight lines connecting thereto, in such a way that in the case of each of the teeth (22) with a tooth tip and two tooth flanks bounded by the outer contour (25) of the cross-section the distance between each of the two tooth flanks and a line at right angles to the axis of rotation of the tool and passing through the tooth tip remains the same or increases from the tooth tip to the axis of rotation of the tool.
Patent CA-2096196-A1 (CA)
Title: Pharmaceutical compositions
Inventor: BOLLAG WERNER
IPC: A61K31/20
Filed: 1993-05-13
Abstract: Abstract Pharmaceutical preparation containing 9-cis- or 13-cis retinoic acid, or acitretin, a pharmaceutically usable salt or ester thereof and a vitamin D derivative as active ingredients, and usual pharmaceutical carriers.
Patent CA-2096541-A1 (CA)
Inventor: COPELAND STEVE
IPC: A42B3/12
Filed: 1991-11-20
Abstract: A protective sports headgear (10) comprised of a helmet member (11) shaped to protect the top, rear, front and sides of a wearer's head (12). The helmet member (11) has a rigid outer shell (13) with an inner protective lining (14) of shock absorbing material. A sizing harness (15) is secured to the helmet and disposed inwardly thereof. The harness (15) has a height adjusting band (15") and a horizontal contour adjusting band (15'). Adjustable sizing members (17) are secured to the helmet and the adjusting bands to fit the bands on the head of a wearer to thereby space the head from the protective lining (14) in at least some inner areas of the helmet member. The helmet is secured to the wearer's head by conventional retention members (20). In order to cover the pro-tective lining (14) extending beyond at least forehead and neck portion of said outer shell (13), the headgear (10) comprises further a protective shield (41) and ear shields (44) connected together with a band section (48), said shields (41, 44, 48) being immovably secured in position by means of fasteners (42, 45, 46). The headgear (10) is also provided with a faceguard frame (70) and a visor (88) hingedly connected to said frame (70).
Patent CA-2096633-A1 (CA)
Title: Measles virus recombinant poxvirus vaccine
Inventor: PAOLETTI ENZO
IPC: C12N15/87
Filed: 1991-11-20
Abstract: What is described is a recombinant poxvirus, such as vaccinia virus or canarypox virus, containing foreign DNA from Morbillivirus.  In one embodiment, the foreign DNA is expressed in a host by the production of a measles virus glycoprotein. In another embodiment, the foreign DNA is expressed in a host by the production of at least two measles virus glycoproteins. What is also described is a vaccine containing the recombinant poxvirus for inducing an immunological response in a host animal inoculated with the vaccine. By the present invention, cross-protection of dogs against canine distemper is obtained by inoculating the dog with the recombinant poxvirus.
Patent CA-2097585-A1 (CA)
Title: Load carrying device for carrying a vehicle roof top load
Inventor: PARNELL-KING MICHAEL
IPC: B60R9/042
Filed: 1991-12-03
Abstract: A load carrying device for attachment to the roof of a vehicle, particularly for carrying articles such as a windsurfer, in which a roof rack of the two spar type includes an extension piece (9) to facilitate loading, and the device includes a frame structure, which is preferably in a ladder form arrangement, to carry the article to be loaded.
Patent CA-2098701-A1 (CA)
Title: Refrigerant tubes for heat exchangers
Inventor: HIRANO HIROSABURO
IPC: B21C37/15
Filed: 1993-06-17
Abstract: A refrigerant tube for use in heat exchangers comprises a flat aluminum tube having parallel refrigerant passages in its interior and comprising flat upper and lower walls and a plurality of reinforcing walls connected between the upper and lower walls, extending longitudinally of the tube and spaced apart from one another by a predetermined distance. The reinforcing walls are each formed with communication holes for causing the parallel refrigerant passages to communicate with one anther therethrough. The flat aluminum tube is prepared from upper and lower two aluminum sheets by bending opposite side edges of the lower aluminum sheet to a raised form and joining the bent edges to the respective side edges of the upper aluminum sheet which is flat so as to form a hollow portion. The reinforcing walls are formed by joining to the inner surface of the upper wall ridges projecting inward from the lower wall.      The communication holes are formed by cutouts formed in the edges of the ridges at a predetermined spacing and having their openings closed with the upper wall.
Patent CA-2099114-A1 (CA)
Title: Paper cargo pallet
Inventor: JUVIK-WOODS HARRY C
IPC: B65D19/00
Filed: 1991-12-26
Abstract: The device is a pallet as might be used to support cargo during that cargo's transportation or storage. The pallet is constructed of paper. The pallet design involves a central platform or deck (402) constructed of a honeycomb filler bounded on the top and bottom surfaces by corrugated sheets (404, 408). To enhance the torsional and deflective strength of the central platform, the corrugated sheets are positioned so that the corrugations are not parallel. Additionally, the corrugated sheets may be folded over the edges (410, 412, 414) of the honeycomb core and fastened to the other side. Runners or legs (406) may be included to support the central platform.
Patent CA-2100978-A1 (CA)
Inventor: UETUKI MASAYA
IPC: C09D11/38
Filed: 1993-07-21
Abstract: Disclosed herein is an ink-jet recording method, which comprises supplying an ink-jet recording head with a water-based ink containing a surfactant in a predetermined amount lower than the critical micelle concentration of the surfactant in the water-based ink (c.m.c in ink), but higher than the critical micelle concentration of the surfactant in purified water (c.m.c. in purified water), thereby conducting recording with the ink on a recording medium. <IMAGE>
Patent CA-2107578-A1 (CA)
Inventor: MITCHELL PHILIP A
IPC: B05B12/24
Filed: 1992-03-13
Abstract: 2107578 9218253 PCTABS00016 A method of masking an area of a surface using a length of flexible foam strip (18) having a layer (20, 22) of adhesive applied on opposite sides of the strip. The strip (18) is attached to the surface (14) by one (20) of the layers of adhesive and a sheet (24) of material is attached to the opposite side of the strip (18) by the other (22) of the layers of adhesive. The strip (18) and sheet (24) then isolate the area of the surface from contiguous areas of the surface.
Patent CA-2109513-A1 (CA)
Title: A method for the manufacture of chemithermomechanical pulp
Inventor: FALK BO
IPC: D21B1/16
Filed: 1992-05-22
Abstract: A method for producing chemithermomechanical pulp from lignocellulosic material, by preheating and refining the material at an elevated temperature of 160-180 ·C, subsequent to pre-impregnating the chips with an impregnating liquid that contains borohydride, at least one compound chosen from the group sodium sulphite, sodium hydrosulphite and sodium disulphite, and optionally one or more sequestering agents. The impregnating liquid preferably has a neutral, near neutral or slightly acid pH. The inventive method enables pulp discoloration to be avoided and/or a reduction in pulp brightness to be counteracted in the preheating and refining processes. The invention also relates to an impregnating liquid for impregnating lignocellulosic material in the production of chemithermomechanical pulps.
Patent CA-2109914-A1 (CA)
Title: Adjuster Buckle with Locking Means
Inventor: BELL MICHAEL
IPC: A44B11/10
Filed: 1993-11-24
Abstract: A buckle for a belt or harness comprising a ring member defining a hollow interior space, a slidable bar, and releasable securable lock.  The ring member has a first and a second side section,  and a  first and a  second end section,  which are connected to one another.  The slidable bar is mounted between the side sections and is movable between a position immediately adjacent the  first end  section and a position  immediately adjacent the second end section.  The first end section of the buckle is securable to one portion of a web of the belt or harness.  A free end portion of a web of the belt or harness is arranged to extend through the ring's interior space between the first end section and the slidable bar, around the bar, and through the space between the bar and the second end section, from which it exits beyond the second end section of the buckle. Pulling on the free end of the web causes the slidable bar with the web section therearound to slide into close proximity with the second end section to fictionally hold the web in place.  The lock is a spring biased member arranged to be normally biased in an extended orientation over the slidable bar to tightly engage it and the web portion wrapped therearound and thereby prevent the accidental release thereof.  The lock is manually actuable to release the spring biased member, the slidable bar and the web section when desired.
Patent CA-2112556-A1 (CA)
Title: Components and catalysts for the polymerization of olefins
Inventor: ALBIZZATI ENRICO
IPC: B01J31/38
Filed: 1993-12-29
Abstract: ABSTRACT          The present invention relates to components and catalysts for the polymerization of  olefins  CH2=CHR.  The components  are obtained by supporting on a magnesium dihalide having spec-ified characteristics a transition metal compound selected from Ti, V, Zr and Hf and containing at least one arene.
Patent CA-2113763-A1 (CA)
Title: Thermochromic infrared dyes
Inventor: DE WIT PAULUS P
IPC: G11B7/244
Filed: 1994-01-19
Abstract: ABSTRACT            The invention is in the field of intrinsically thermochromic material. We have found that infrared absorbing dyes of the azamethine type have intrinsically  thermochromic  properties.  The  use  of  said  dyes  as thermochromic material  has the advantage that they can be thermally activated by infrared irradiation. Irradiation of such material with a laser causes a colour change that can be used in imaging and optical data storage.       The thermochromic dyes can be mixed with polymeric material and from the  resulting  polymer  composition  films  can  be made.  If  the  dye contains polymerizable groups, it may be covalently incorporated into the polymer.