baber/WOPTO huggingface dataset:
Patent CA-2013768-A1 (CA)
Inventor: DJURDJEVIC JOCO
IPC: F02M21/02
Filed: 1990-04-03
Abstract: This invention relates to apparatus for metering the supply of natural gas to an internal combustion engine having an air  intake  manifold  and  throttle  valve  mounted  therein comprising:   a pressure regulator for regulating the pressure of said natural gas; a sensor plate associated with said air intake manifold and moveable in response to variations in said throttle; and a valve being actuable by said moveable sensor plate to vary the supply of natural gas to said air intake manifold in response to variations in said throttle valve so as to meter the supply of natural gas to said internal combustion engine.
Patent CA-2016774-A1 (CA)
Title: Silver halide photographic light-sensitive material
Inventor: SAMPEI TAKESHI
IPC: G03C1/06
Filed: 1990-05-15
Abstract: ABSTRACT OF THE DISCLOSURE      A silver halide photographic light-sensitive material suitable for photomechanical process is disclosed. The light-sensitive material comprises a support and a silver halide emulsion layer and the emulsion layer or a lyer adjacent to the emulsion layer contains a compound represented by formula 1, 2 or 3 and a compound represented by formula 4 or 5.            (1 )              (2)             (3)   (4)                 (5) The light-sensitive material give extreme high contrast images by processing usung a stable developer and is inhibited from producing pepper fog.
Patent CA-2019751-A1 (CA)
Title: Process for the photochemical and thermal stabilization of polyamide fibres having an affinity for acid and basic dyes, and of blends of said fibres with one another and with other fibres
Inventor: REINERT GERHARD
IPC: D06M101/16
Filed: 1990-06-25
Abstract: 1-17637/=     Process for the photochemical and thermal stabilization of polyamide fibres having an affinity for acid and basic dyes, and of blends of said fibres with one another and with other fibres Abstract of the Disclosure The invention describes a process for the photochemical and thermal stabilization of polyamide fibres having an affinity for acid and basic dyes, and of blends of said fibres with one another and with other fibres, a composition for carrying out the process and the fibre materials treated therewith.
Patent CA-2022818-A1 (CA)
Title: Storage tank assembly for bulk fat and method for using same
Inventor: MORRIS ROBERT D II
IPC: F24H1/20
Filed: 1990-08-07
Abstract: The present invention comprises an enclosed tank for containing fat.  The bottom wall is cone shaped and at the lower end of the cone is an outlet opening.  A valve is placed in the opening to permit fluid to be added to or drained from the tank.          A heater element is placed in the bottom of the tank or immediately below the bottom of the wall of the tank and can be an electrical heated element, a helical tube containing steam or hot water, or a gas powered infrared heater.  A circulation system permits the removal of fat from the bottom of the tank and the recirculating of the fat to the upper portion of the tank.  A valve within the recirculation system permits the fat to be pumped to a spray nozzle where it can be sprayed onto a feed mixture for animals.
Patent CA-2023777-A1 (CA)
Title: Guide or feeder chain
Inventor: MORITZ WERNER
IPC: F16G13/16
Filed: 1990-08-22
Abstract: Abstract of the Disclosure A guide or feeder chain for power and supply lines is provided.  The chain includes chain links that each comprise two spaced-apart link members that are disposed parallel to one another and are interconnected by crosspieces.   Link members of adjacent chain links, where they overlap, are held against one another via a pivot lug and a pivot hole.  Disposed in each pivot axis is a locking pin that comprises a shaft,  on one end of which is formed a head and on the other end of which are formed radially projecting dogs that are disposed opposite one another.  Each link member, concentric to a pivot axis,  has a locking hole which has radial  grooves for receiving the  dogs.   The grooves,  on one side of the link member, have undercuts that extend away from the groove in the circumferential direction of the locking hole for receiving the dogs.
Patent CA-2024711-A1 (CA)
Title: Floating bearing race
Inventor: MAJ STANISLAW Z
IPC: F16C32/06
Filed: 1990-09-06
Abstract: ABSTRACT OF THE DISCLOSURE    A bearing surface to separate two or more bearing surfaces in manner, such that the inner and outer or upper and lower circumferential surfaces form suitable surfaces for the addition of anti-friction media between the containing surfaces of the bearing.
Patent CA-2025622-A1 (CA)
Title: Fabric adhering machine for surfaces of blind fans
Inventor: HSU CHI-HSIEN
IPC: E06B9/266
Filed: 1990-09-18
Abstract: Fabric Adhering Machine for Surfaces of Blind Fans Abstract The invention relates to a fabric adhering machine for surfaces of blind fans, which provides means for Fabric adhering on surfaces of blind fans. In particular, the fabric adhering machine for surfaces of blind fans comprises a fabric hanging frame, an adhering device, and a cooling device. Conjugated with a blind fan roller, the fans are continuously squeezed out on top of the adhering device to make the continuous fans enter into the adhering device. In addition, on the fabric hanging frame, there are one or two pieces of fabrics which pass through the adhering device and were placed at both sides of the fans to let the fabrics and the fans enter into the adhering device together, and be adhered as an integral by heating the fabrics with residual heat of the fans and heating of the adhering device. Further the integral passes through a cooling device to be cooled down and shaped, thereof the surfaces of the blind fans are covered with fabrics.
Patent CA-2026072-A1 (CA)
Title: Polyacetal resin composition and sliding member
Inventor: ENDO TOSHIHIKO
IPC: C08L59/00
Filed: 1990-09-24
Abstract: Polyacetal resin molding compositions and sliding members formed thereof exhibit anti-friction and abrasion-resistance properties, The polyacetal resin molding compositions include (A) 100 parts by weight of a polyacetal base resin, (B) between 0.5 to 40 parts lay weight of a branched or crow-linked graft copolymer which is a graft-reaction product of (a) an olefin polymer, and (b) a vinyl or ether polymer, (C) between 0.1 to 20 parts by weight of a lubricant, and (D) between 0.5 to 30 parts by weight of an inorganic powder having a mean particle diameter of 50µm or less and a content of particles having a particle diameter of 100µm or less of at least 95%.
Patent CA-2029633-A1 (CA)
Title: Copolymers as biodegradable detergent additives
Inventor: HUGHES KATHLEEN A
IPC: C08L101/16
Filed: 1990-11-09
Abstract: ABSTRACT     This invention relates to a novel class of biodegradable water-soluble polycarboxylic acid copolymers having building, dispersing and threshold inhibiting properties. This invention further relates to the finding that acid functional monomers copolymerized to a low degree of polymerization with polyfunctional monomers yield compounds with good detergent performance and no loss of the biodegradability inherent in previously known low degree of polymerization polymers having poor detergent performance.
Patent CA-2030989-A1 (CA)
Title: High temperature - low temperature rotor for turbines
Inventor: CLARK ROBERT E
IPC: F01D5/28
Filed: 1990-11-28
Abstract: Abstract A turbine rotor is formed from two rotor segments that are composed of different low allay steels, one a high temperature alloy and the other a low temperature alloy. The rotor segments have cavities in confronting faces that form an annular flange at the outer surface, with the segments welded together across the flange. A clad layer is first welded an one of the flanges and a filler material welds the clad layer to the other flange to form a composite turbine rotor.
Patent CA-2033278-A1 (CA)
Title: Method of producing optically active hydroxyesters and methods of purifying and producing optically active five-membered ring lactones
Inventor: FUKUSAKI EIICHIRO
IPC: C12P41/00
Filed: 1990-12-27
Abstract: This invention relates to methods for producing optically active hydroxyesters and also to methods For producing and purifying optically active five-membered ring lactones. fore specifically, the invention provides methods for efficiently, safely, and selectively producing and purifying optically active (R)-hydroxyester (shown by formula 1) and optically active (S)-hydroxyester (shown by formula 2) in high state of purity at ordinary temperature.      The invention also relates to application of the inter-convertible optically active (R)-five-membered ring lacton (shown by formula 5).      They are intermediates for synthesizing various medicines, agricultural chemicals, and biologically active substances, however especially useful for synthesizing pheromone of a noxious insect, Popillia japonica Newman.        (Here, R1 denotes -C ~ C-R3 or -C=C-R3: R2 and R3 denote straight chain or branched alkyl groups containing 1 to 10 carbon atoms;      R4 denotes alkyl groups; aralkyl groups, or haloalkyl groups containing 1 to 12 carbon atoms and the end group of R4 may be carboxyl groups; * denotes asymmetricrbon atoms.)
Patent CA-2034651-A1 (CA)
Title: Distributed protocol for improving the survivability of telecommunications trunk networks
Inventor: COAN BRIAN A
IPC: H04L69/40
Filed: 1991-01-21
Abstract: ABSTRACT OF THE INVENTION     A method for reconfiguring a telecommunications network (10) comprising a plurality of reconfigurable cross-connect nodes (A, B, C, D) interconnected by links (1 = 1, 2, 3, 4, 5) when a failure event occurs is disclosed.  The method comprises storing at each node a precomputed configuration table corresponding to each of a plurality of possible network topologies which can result from a plurality of possible failure events.  After a specific failure event occurs, the network is flooded with messages so that each of the nodes is informed as to the specific existing topology of the network resulting from the specific failure event.          The nodes are then reconfigured in accordance with the precomputed configuration tables which correspond to the specific existing network topology.
Patent CA-2037822-A1 (CA)
Title: Easily gripped pouch
Inventor: KRISTENSEN KNUD N
IPC: B65D33/08
Filed: 1991-03-08
Abstract: ABSTRACT The present pouch has a region adjacent the top edge having at least two openings adapted to receive a persons fingers.  Preferably in this region, the walls of the pouch are sealed to each other to provide a reinforced thickened section.  It is also an embodiment that in the area to be gripped that there can be one or more reinforcing ribs.  The result is a pouch that can be easily lifted and maneuvered to dispense the contained product,
Patent CA-2038504-A1 (CA)
Inventor: ISOBE MAKOTO
IPC: C23C2/06
Filed: 1991-03-18
Abstract: ABSTRACT OF THE DISCLOSURE            A method of producing a hot-dip galvannealed steel sheet from a very-low-carbon cold-rolled steel sheet containing not less than 0.01 wt% but not more than 0.1 wt% of Ti, by subjecting the cold-rolled steel sheet to a process conducted in a continuous hot-dip galvanizing system including a heat treatment, hot-dip galvanizing and a subsequent galvannealing.  The method is characterized by the steps of:  subjecting the cold-rolled steel sheet to a degreasing and an acid cleaning; subjecting the degreased and acid-cleaned steel sheet to a heat treatment conducted in a reducing gas atmosphere; and cooling the heat-treated steel sheet at a temperature not lower than 380°C but not higher than the hot-dip galvanizing bath temperature, before the steel sheet is subjected to the hot-dip galvanizing.  The very-low-carbon cold-rolled steel sheet contains, not less than 0.01 wt% but not more than 0.1 wt% of Ti, not more than 0.005 wt% of C, not less than 0.01 wt% but not more than 0.1 wt% of A?, and the balance substantially incidental inclusions and Fe.
Patent CA-2038865-A1 (CA)
Title: Headlamp for automobiles
Inventor: MOCHIZUKI HIDEHARU
IPC: B60Q1/068
Filed: 1991-03-22
Abstract: ABSTRACT OF THE DISCLOSURE An automobile headlamp which indicates the inclination of the tilting member of the headlamp (the reflector in a movable-reflector type headlamp and the lamp body and reflector unit in a movable-unit type headlamp) in relation to the base member (the lamp body in a movable-reflector type headlamp and the lamp housing in a movable-unit type headlamp) in terms of a change  on  the  scale  on  an  inclination measuring  device installed between an aiming screw and the base member.  The inclination measuring device includes a guide member supported on the base member and extending approximately in parallel with a protruding portion of the rightward-leftward direction aiming screw.   A sliding member is threadedly engaged with the protruding portion of aiming screw such that the sliding member slides relative to the guide member as the aiming screw is rotated.  A linear scale formed on the guide member indicating an amount of relative displacement between the guide member and a reference mark on the sliding member.  If desired, a similar inclination measuring device can be provided on the upward-downward direction aiming screw to indicate the amount of inclination  of  the  tiling  member  in  the  upward-downward direction.
Patent CA-2038963-A1 (CA)
Title: Photopolymerizable mixture and recording material prepared therefrom
Inventor: LINGNAU JUERGEN
IPC: C08F2/50
Filed: 1991-03-25
Abstract: Abstract of the Disclosure A photopolymerizable mixture  is  disclosed that contains a polymer binder,  a polymerizable compound  having  at  least  one  terminal  ethylene double bond and a boiling point above 100°C at normal pressure, a hexaarylbisimidazole and a 1,3-diarylpyrazoline or a 1-aryl-3-aralkenyl-pyrazoline. The mixture  is  suitable  for the preparation of printing   plates   and   photoresists   and   is distinguished  by  high  photosensitivity  and  low sensitivity towards acid solutions.
Patent CA-2039748-A1 (CA)
Title: Thermosetting resin composition
Inventor: OKUDE YOSHITAKA
IPC: C09D163/00
Filed: 1991-04-04
Abstract: The present invention relates to a thermosetting composition which contains a polymer having a half-esterified acid anhydride group, thus having enhanced water and weather resistance. The thermosetting resin composition comprises (I) a compound having an epoxy group and a hydroxy group, and (II) a copolymer prepared from a radically polymerizable monomer having an acid anhydride group and a copolymerizable monomer, of which said acid anhydride group is substantially completely half-esterified.
Patent CA-2040588-A1 (CA)
Inventor: MISCHENKO NICHOLAS
IPC: E05C1/10
Filed: 1991-04-16
Abstract: A latch assembly for maintaining a battery in position upon a portable telephone. The latch assembly includes a latch body having at least one face surface forming a latching surface for abuttingly engaging with the battery to maintain the battery in position. A spring member exerts a spring force for maintaining the latch body and, hence, the latching surface formed thereupon in the abutting relationship with the battery. A downward force exerted upon the latch body causes translation thereof to remove the latching surface from the abutting engagement with the battery.
Patent CA-2045001-A1 (CA)
Inventor: ANDERSON RICHARD J
IPC: H04L9/10
Filed: 1991-06-19
Abstract: ABSTRACT OF THE DISCLOSURE A data-locking system for generating an application, includes a data entry device, a video display screen, a storage medium, and a system for locking data in the storage medium.  The video display screen allows for the display of inputted information in a predetermined application format comprising an integrated arrangement of critical and non-critical data fields.  The data-locking system has circuitry for generating first and second records from the inputted information, as well as circuitry for generating a unique generator key number for encrypting the first record and circuitry for generating a data-lock code number and a time stamp number.  When using the data-locking system, the inputted information in the critical data fields of the predetermined application format, once data-locked, cannot be changed.
Patent CA-2045511-A1 (CA)
Title: Organic modified silicic acid heteropolycondensates
Inventor: COLTRAIN BRADLEY K
IPC: B01J20/28
Filed: 1990-01-16
Abstract: Organic modified silicic acid heteropolycondensates can be upgraded by removal of residual silanol or hydrolyzable groups. The upgrading process is conducted by contacting the condensate with a supercritical fluid at elevated temperature and pressure. Upgraded products in the form of powders can be dissolved in an organic solvent and used to produce coatings which have improved oxygen permeability. Upgraded products have also been made in non-comminuted, solid form such as rods. These articles are useful as adsorbents.
Patent CA-2048802-A1 (CA)
Title: Ammunition storage system
Inventor: TASSIE DOUGLAS P
IPC: F41A9/74
Filed: 1991-08-08
Abstract: Dkt. No. 52-AR-2307 ABSTRACT OF THE DISCLOSURE        A  helical  storage  system  for  linked ammunition, has no outer drum and only two moving parts, providing positive control of the rounds, low friction, and bi-directional load and unload.
Patent CA-2049978-A1 (CA)
Title: Filter material for motor vehicles
Inventor: VON BLUCHER HASSO
IPC: B01D39/14
Filed: 1991-01-22
Abstract: ABSTRACT OF THE DISCLOSURE           An adsorption filter to prevent the emission of hydrocarbons from the tanks of motor vehicles comprises a highly air-permeable, substantially stable, three-dimensional bearer structure of wires, monofilaments or webs to which is secured a layer of granular, especially bead-structured adsorbent particles with a diameter of 0.1 to 1 mm, whereby the size of the micropores of the adsorbent is reduced in the direction of flow of hydrocarbons emitted.
Patent CA-2051082-A1 (CA)
Title: System for transmitting a signal to and for receiving a signal from a passive transponder
Inventor: URBAS DONALD J
IPC: H04B1/59
Filed: 1991-09-10
Abstract: A  system  for  transmitting  a  signal  to,  and  for receiving a signal from a passive transponder includes a probe which transmits an exciter signal having a first frequency and receives  a  signal  from  the  transponder  having  a  second frequency.  The probe includes an antenna for transmitting the exciter signal.  The antenna includes a secondary coil and a primary coil wound about the secondary coil.  The secondary coil is tuned to resonate at the first frequency.  A receiver is  provided  for  driving  the  primary  coil  at  the  first frequency.
Patent CA-2051593-A1 (CA)
Inventor: KING STEPHEN W
IPC: C07D303/14
Filed: 1991-09-17
Abstract: PROCESSES FOR THE PREPARATION OF CYCLIC ETHERS                    Abstract A process for preparing cyclic ethers which comprises contacting a carboxylated ether with a mixed metal oxide catalyst under conditions effective to produce the cyclic ether.
Patent CA-2051862-A1 (CA)
Inventor: KING LLOYD H SR
IPC: F16L47/34
Filed: 1991-09-19
Abstract: ABSTRACT A T-branch formation device using two identical side members to join a snap-on saddle around a resilient plastic pipe and a screw-in coupling cutter which cuts through resilient piping, retains the cut piece, and simultaneously provides a threaded surface for attaching a branch tubing which forms a leak-proof connection.
Patent CA-2052559-A1 (CA)
Inventor: KINOSHITA KOJI
IPC: G06F15/78
Filed: 1991-10-01
Abstract: For processing vector data into an indirect memory input data and an indirect address signal indicative of a memory address of a memory device (18) in an indirect vector processing mode, a vector processing device comprises a vector data control unit (12) for receiving, in response to an indirect register select command, first and second selected data of the vector data from first and second registers (13).  A buffer unit (16) holds the first and the second selected data.  As the indirect memory input data and the indirect address signal, an access control unit (17) supplies the memory address and the memory device with the second and the first selected data held in the buffer unit.  The device is selectively operable in a stride vector processing mode as well.
Patent CA-2053991-A1 (CA)
Title: Vacuum cleaning tool with adjustable intake air flow
Inventor: WOERWAG PETER
IPC: A47L5/30
Filed: 1991-10-22
Abstract: Abstract of the Disclosure Vacuum cleaning  tool with adjustable intake air flow.  The tool has a housing, in the base of which is provided an intake opening for intake air to a vacuum cleaner.   Disposed above the intake opening is a brush roller, bristles of which extend through the intake opening.   The brush roller is driven by an air turbine that is driven by the intake air flow.   To adjust the intensity of the intake  air  flow,  which  flows  from the  intake opening to the air turbine and to a connector of the vacuum cleaner via a flow opening, at least one slide mechanism is disposed in the housing for varying the passage cross-section of  this  flow opening.
Patent CA-2054985-A1 (CA)
Title: Device for dynamically measuring bubble content of flowing liquid
Inventor: YANO HISASHI
IPC: F01N3/28
Filed: 1991-11-05
Abstract: A device for dynamically measuring the bubble content of a flowing liquid is arranged in a conveyance passage for a flowing  liquid  or  provided  in  a  simple  bypass  for  the conveyance passage of the liquid so that the bubble content of the flowing liquid and the bubble quantity of dissolved gas in the flowing liquid can be dynamically measured due to a change in the pressure of the liquid in the passage or the bypass without extracting any of the liquid therefrom.
Patent CA-2055010-A1 (CA)
Inventor: KAELIN RUEDI
IPC: H01F30/00
Filed: 1991-11-06
Abstract: A mini-transformer features an iron or ferrite core (2) and primary and secondary windings (3, 4).  Portions of the windings (3, 4) which extend beyond the iron or ferrite core (2) are covered on both sides with a thermoplastic material forming a lid (6, 7).  The two lids or end bells (6, 7) are combined into one piece by means of first bars (12), which extend through the hollow spaces (9) between the windings (3, 4) and the iron or ferrite core (2) and fill them, and that the laminated iron or ferrite core (2) is fixed in itself by second bars (14) connecting the two lids (6, 7).
Patent CA-2055628-A1 (CA)
Title: Carbonylation process and catalyst composition
Inventor: DRENT EIT
IPC: C07B61/00
Filed: 1991-11-15
Abstract: A B S T R A C T        CARBONYLATION PROCESS AND CATALYST COMPOSITION    A process for the carbonylation of an olefinically or acetylenically unsaturated compound with carbon monoxide in the presence of a nucleophilic compound having a removable hydrogen atom and a catalyst system comprising a)   a source of palladium, b)   a phosphine of general formula PR1R2R3, wherein R1, R2 and R3 independently represent an optionally substituted alkyl, cycloalkyl, aryl or N-heterocyclic group, and c)   a source of anions being the conjugated base of an acid having a pKa < 3, characterized in that the reaction medium at least initially is a multi-phase liquid reaction medium, and that the catalyst system comprises a component b) or c) having an amphiphatic structure, and catalyst compositions particularly suitable for said process.     Pfe