baber/WOPTO huggingface dataset:
Patent CA-2008009-C (CA)
Title: Apparatus for measuring magnetic field
Inventor: HAYASHI HAJIME
IPC: G01R33/025
Filed: 1990-01-17
Granted: 1994-05-03
Abstract: ABSTRACT An apparatus is provided for measuring a very weak magnetic field generated by a human body, etc. External magnetic noise components coming from other magnetic sources and existing around an object whose magnetic field is to be measured are detected by compensation coils of the apparatus. The compensation coils are oriented in multiple dimensional directions. The detected noise components are weighted and added to each other to correctly find the noise components. Thereafter, the noise components mixed in the objective very weak magnetic field are removed, thereby correctly measuring the very weak magnetic field.
Patent CA-2010804-C (CA)
Title: Split dies for casting small segments of tire mold
Inventor: TANAKA HIDEAKI
IPC: B29C33/38
Filed: 1990-02-23
Granted: 1995-05-16
Abstract: Split dies include an upper die and a lower die for casting small segments constituting tread pattern forming portions of a tire mold.  The lower mold includes a telescopic die having an upper surface forming a die bottom wall having a configuration corresponding to the tread pattern forming portions of the small segments.  The lower mold further includes a main die having a cavity for receiving the telescopic die and having side walls surrounding the cavity to form die inner walls whose configuration corresponds to side walls of the small segments.
Patent CA-2018816-C (CA)
Title: Cooling fan with reduced noise for variable speed machinery
Inventor: NELSON DAVID ARTHUR
IPC: F04D25/08
Filed: 1990-06-12
Granted: 1998-11-10
Abstract: A centrifugal fan for ventilated rotating machinery is provided having tapered fan blades to reduce sound pressure levels generated by fan operation over a wide speed range.  The tapering of the fan blades keeps the cross-sectional area of each flow channel substantially constant as the air flows radially through the fan, resulting in a less turbulent flow.  Each fan blade may include a height profile having a tapered segment in which blade height decreases in proportion to increasing radial distance from the central axis of the fan.
Patent CA-2020749-C (CA)
Title: Method of checking the functioning of a driving wheel slip control system
Inventor: OZAKI MASAAKI
IPC: G01M17/007
Filed: 1990-07-09
Granted: 1994-04-05
Abstract: ABSTRACT OF THE DISCLOSURE      A method of checking the functioning of a driving wheel slip control system installed in a vehicle.  Driving wheels are placed on support rollers and rotatably supported thereby.  The driving wheels are driven by the engine.  False signals indicative of tentative rotational speeds of trailing wheels are supplied to an ECU which in turn outputs a control signal for controlling the engine.  Predetermined monitoring signals including at least the control signal outputted from the ECU are taken out from the driving wheel slip control system.  It is determined whether the predetermined monitoring signals show values falling within respective predetermined allowable ranges.  Further, a steering handle of the vehicle may be turned et the same time of rotation of the driving wheels, the steering angle of which is detected by a steering angle sensor.  Further, instead of using the false signals, the trailing wheels may be placed on second support rollors for rotatably supporting the trailing wheels thereby.  The second support rollers are capable of rotatively driving the trailing wheels.
Patent CA-2033992-C (CA)
Title: Improved stability coriolis mass flow meter
Inventor: CAGE DONALD REED
IPC: G01F1/84
Filed: 1990-06-08
Granted: 1996-07-16
Abstract: An optimized Coriolis mass flow meter (140) is disclosed which has improved stability to excit-ations caused by external influences. A primary source of improvement involves determining by mo-dal analysis of the flow conduit a location for the sensor means (118) that minimizes the influence of external excitation of one or more of the first in phase bending mode. the first out of phase bending mode. the first out of phase twist mode, the second out of phase twist mode, the second out of phase bending mode and the third out of phase bending mode.
Patent CA-2036899-C (CA)
Title: Ear flattening device
Inventor: COFFEY BRIAN M
IPC: A61F13/12
Filed: 1991-02-22
Granted: 1995-09-05
Abstract: An  ear flattening device  is  provided  by  a  pair  of flexible   pads   interconnected  by  a  flexible,  one-piece spacer block.  The outer sides of  the pads are provided with a layer of pressure sensitive adhesive for releasably bonding the pads one to the back side of the ear and the other to the confronting surface of  the  head.  The  adhesive  layers are protected  temporarily  by a removable cover  sheet.  In  one embodiment  a  single  spacer block is substantially centered within the perimeter of the  pair  of  pads,  and in a second embodiment the pads are elongated arcuately and two laterally spaced  apart spacer blocks are positioned  approximately  in the  center  of  the lateral halves  of  the  pads.  In  both instances  the  central  positioning  of  the  spacer  blocks centralizes the pull on the pads  relative  to  the  skin and thereby maximizes the adherence of the pads to the skin.
Patent CA-2043294-C (CA)
Title: Preparation of n-substituted pyrrolidones
Inventor: WEYER HANS-JUERGEN
IPC: C07D207/267
Filed: 1991-05-27
Granted: 2002-08-20
Abstract: A process for the preparation of N-substituted pyrrolidones by the cat-alytic hydrogenation of maleic anhydride, maleic acid and/or fumaric acid in the presence of a primary amine and a solvent, at elevated temperature and pressure, wherein a catalyst is used which contains cobalt and at least one of the elements manganese, copper, phosphorus, molybdenum and/or sodium.
Patent CA-2045157-C (CA)
Title: Process for the preparation of ethylene/vinyl ester copolymers
Inventor: HOBES JOHN VICTOR
IPC: C08F2/00
Filed: 1991-06-21
Granted: 1997-04-29
Abstract: For the preparation of copolymers of ethylene, ethylene is polymerized with esters  of vinyl  alcohol  in the absence of solvents and emulsifiers and in the presence of free radical acceptors.  The addition of free radical acceptors makes it possible to increase the polymeriz-ation temperature in comparison with a procedure without the use of free radical acceptors.
Patent CA-2046166-C (CA)
Inventor: MACCONNELL EDWARD P
IPC: B41F35/02
Filed: 1991-07-03
Granted: 1994-09-20
Abstract: A  dampening  system  has  a  pan  for  containing dampening fluid,  and transfer and metering rollers for bringing dampening fluid up out of the pan.  A transition roller contacts one of the transfer and metering rollers. The transition roller is movable between first and second positions.  In the first position, the transition is off of the plate cylinder and dampening fluid is applied to the plate cylinder by ink form rollers.   In the second position, the transition roller is on the plate cylinder. Another version of the dampening system has  a bridge roller between  the  transition  roller  and  a  ink  form roller, which bridge roller is movable between third and fourth positions.   In the third position,  the bridge roller  is  on  the  transition  roller.    In  the fourth position,  the bridge roller  is off of the  transition roller.    The  dampening  system  can  dampen  the  plate cylinder without the use of alcohol.  The transition roller is rotated by a separate motor so that its speed is controlled independently of the other rollers.   When the transition roller is on the plate cylinder, it can be slowed down to clean hickeys off of the plate cylinder. When the plate cylinder is clean, it can be moved off of the plate cylinder or speeded up to the same speed as the plate   cylinder.      A   controller   is   provided   to automatically adjust the amount of dampening fluid being applied to the plate cylinder by regulating the speed of the transfer and metering rollers.
Patent CA-2053500-C (CA)
Title: Flexible bags mounting and dispensing system
Inventor: BAGHDADI GHASSAN
IPC: B65B67/12
Filed: 1991-10-15
Granted: 1998-07-21
Abstract: This system is a flexible bags mounting and dispensing system which has two equal length substantially parallel arms hingedly mounted together at their front end by a cross member. A flexible bag can be mounted to the arms through tubes or pipings provided at the edge portion of its opening. The bag can be opened for filling operation by pulling the middle section of the arms away from each other, and the mounted bag can be kept in a closed condition by operating the middle section of the arms back to their substantially parallel condition.
Patent CA-2059902-C (CA)
Title: Package of coiled, elongated strand material and carton blank thereof
Inventor: BASS BENJAMIN ALLEN
IPC: B65H49/08
Filed: 1992-01-23
Granted: 1995-10-17
Abstract: A package (20) from which elongated strand material (26) of a coil (24) ;s dispensed includes a carton (22) in which is disposed the coil. The carton is assembled from a blank (30) of corrugated fiberboard. The blank is formed to include a plurality of interconnected wall panels (32, 34, 36, 38) with each panel having closure flaps extending laterally from opposed side edge surfaces thereof. A tab extends laterally from each of the closure flaps. Each flap is attached hingedly to its associated wall panel and each tab is attached hingedly to its associated flap through a scored line. In end ones (56 and 67) of the closure flaps, portions of the closure flaps extend at least to free outer end edge surfaces of the associated tabs and are normal to end edge surfaces of the blank.
Patent CA-2067303-C (CA)
Title: Whipstock
Inventor: CLAYTON CHARLEY H
IPC: E21B7/06
Filed: 1992-04-27
Granted: 1996-08-27
Abstract: A well tool includes a whipstock in conjunction with an inflatable packer for use in the open hole.  A pivotal joint between the whipstock and packer allows the whipstock to pivot relative to the packer and springs bias the whipstock into an angled relation relative to the packer.  A setting tool connects the whipstock and packer in a rigid straight line position while the tool is being run into the hole. Drilling fluid can be circulated through the tool.  When the packer is set and the setting tool is removed, the whipstock pivots relative to the packer against the side of the open hole.  This allows the hole to be sidetracked from the low side of the hole.
Patent CA-2070809-C (CA)
Title: Crosslinkable fluorinated polymer compositions
Inventor: MERCER FRANK W
IPC: C08K5/27
Filed: 1990-12-07
Granted: 2003-05-20
Abstract: A crosslinkable composition comprising: (i) a fluorinated poly(arylene ether) comprising a repeat unit of such as (I), and (ii) a bistriazene compound such as (II); bistriazene compound (ii) being present in an amount effective to crosslink fluorinated poly(arylene ether) (i).
Patent CA-2072916-C (CA)
Inventor: POTTER TERRY A
IPC: C08G18/78
Filed: 1992-07-02
Granted: 2003-02-11
Abstract: The present invention is directed to a process for the production of a polyisocyanate composition having an NCO content of 10 to 47% by weight and a viscosity of less than 2,500 mPa.s, wherein the viscosity is determined from a mixture containing less than 1% by weight of the starting organic diisocyanate, and containing isocyanurate and allophanate groups in a molar ratio of monoisocyanurates to monoallophanates of 10:1 to 1:5 by a) catalytically trimerizing a portion of the isocyanate groups of an organic diisocyanate having (cyclo)aliphatically bound isocyanate groups b) adding 0.01 to 0.5 moles, per mole of organic diisocyanate, of a monoalcohol containing 6 to 9 carbon atoms to the organic diisocyanate prior to or during the trimerization reaction of step a) and c) terminating the trimerization reaction at the desired degree of trimerization by adding a catalyst poison and/or by thermally deactivating the catalyst, wherein said trimerization catalyst is a compound containing aminosilyl groups or a catalyst which is capable of reducing the isocyanate content of a mixture consisting of 1,6-hexamethylene diisocyanate containing less than 10 ppm of carbon dioxide and the trimerization catalyst from 50% to 45% by weight or less within a period of 4 hours at a catalyst concentration of 500 ppm, based on the weight of 1,6-hexamethylene diisocyanate, and a temperature of 80°C.
Patent CA-2077181-C (CA)
Title: Temperature controlled grease trap
Inventor: WALLMAN LLOYD
IPC: B01D21/30
Filed: 1992-08-28
Granted: 1999-03-16
Abstract: Apparatus  is  disclosed  for  maintaining  the temperature of waste water entering a grease trap below a preset temperature.   The apparatus is useful to prevent grease which has collected in the grease trap from being washed into the sewer system by persons attempting to flush the grease from the trap with hot water.   A temperature sensor monitors the temperature of waste water flowing into the grease trap.   Cold water is introduced directly into the waste water conduit, upstream of the trap, through a valve controllably coupled to the temperature sensor whenever the temperature of waste water in the waste water conduit exceeds a threshold temperature.
Patent CA-2088942-C (CA)
Inventor: YAGI YOSHIFUMI
IPC: B60W10/10
Filed: 1993-02-05
Granted: 1996-02-13
Abstract: ABSTRACT OF THE DISCLOSURE      A traction control apparatus for an automotive vehicle with an automatic transmission includes a first sensing part for outputting a shift signal indicating a shifting condition of the automatic transmission, a second sensing part for outputting an engine speed signal indicating an engine speed of an engine of the vehicle, a traction control part for carrying out a traction control process for controlling slipping of driving wheels of the vehicle by adjusting an engine torque based on the shift signal, and for performing, when a shifting request occurs, a shifting process in which the engine torque is decreased in preference to the traction control process, and a return torque setting part for setting a return position of a throttle valve of the engine at an end of the shifting process, the setting being based on the engine speed signal output at a time of a shifting started in the automatic transmission and based on a gear ratio associated with the shifting, the traction control part performs the traction control process at the end of the shifting process in accordance with the return torque set by the return torque setting part.
Patent CA-2090144-C (CA)
Title: Coating compositions, a process for their production and their use for coating water-resistant substrates
Inventor: PROBST JOACHIM
IPC: C08G18/70
Filed: 1993-02-23
Granted: 2004-10-12
Abstract: The present invention relates to water-borne coating compositions wherein the binder contains a mixture of a) a polyol component dispersed in water or a water/solvent mixture which contains at least one polymer prepared from olefinically unsaturated monomers and having a molecular weight (M n) of at least 500, at least two alcoholic hydroxyl groups per molecule, a hydroxyl value of 15 to 250 mg KOHg, an acid value of 0 to 7 mg KOH/g and a total content of sulfonate and carboxylate groups of 0 to 4.5 milliquivalents per 100 g of solid resin and b) a palyisocyanate component which is emulsified in the dispersion of polyol component a), has a viscosity at 23°C of 50 to 10,000 mPa.s and an average NCO functionality of 1.8 to 4.2, and contains 12.0 to 21.5% by weight of (cyclo)aliphatically bound isocyanate groups and, optionally, 2 to 20% by weight of ethylene oxide units present within polyether chains, the polyether chains containing a statistical average of 5 to 70 ethylene oxide units, wherein the components are present in quantities corresponding to an equivalent ratio of isocyanate groups of component b) to alcoholic hydroxyl groups of component a) of 0.2:1 to 5:1.      The present invention also relates to a process for the production of these coating compositions and to coated water-resistant substrates prepared from these coating compositions.
Patent CA-2093222-C (CA)
Title: Tyre equipment for a vehicle having transversal tracing blocs or curres
Inventor: LAGNIER ALAIN
IPC: B60C5/00
Filed: 1991-09-24
Granted: 1996-02-13
Abstract: PCT No. PCT/FR91/00745 Sec. 371 Date Mar. 24, 1993 Sec. 102(e) Date Mar. 24, 1993 PCT Filed Sep. 24, 1991 PCT Pub. No. WO92/05969 PCT Pub. Date Apr. 16, 1992.In order to optimize the behavior of a conventional passenger car on snow-covered and icy ground, the driving axle of said vehicle is equipped with tires the treads (1) of which are provided with elements in relief (11) having incisions (14) of a width other than zero, the traces of which are transverse while the load-bearing axle of the same vehicle is equipped with tires of the same structure but with treads (2, 3) provided with elements in relief or blocks (21, 31) having incisions (24, 34) of a width other than zero, the traces of which are elliptical.
Patent CA-2093574-C (CA)
Title: Process for making chemically activated carbon
Inventor: SCHWARTZ FRANK R JR
IPC: C01B32/384
Filed: 1993-04-07
Granted: 1998-12-29
Abstract: An improved apparatus and method for the manufacture of activated  carbon  wherein  a  carbonaceous  raw  material impregnated with a chemical activating agent is treated by controlling the rate of heat transfer to the particles via indirect heating of the activation furnace and simultaneously introducing a flow of independently controlled sweep gas at spaced intervals along the path of travel of the particles through the furnace to more precisely control the activation reaction and the level of densification of the particles during certain stages of treatment.   In a more preferred embodiment, the particles are processed in a plurality of treatment stages related to the rate of evolution of water and/or the evolution of water and the chemical activating agent and the rates of heat transfer and the volume flow rate of sweep gas are closely controlled relative to achieving predetermined levels of densification of the particles during each  treatment  stage  and  selected  levels  of  activation properties in the end product.
Patent CA-2096905-C (CA)
Title: Breakage-resistant mercury vapor low-pressure discharge lamp, particularly compact fluorescent lamp
Inventor: KORFER GUNTER
IPC: H01J61/72
Filed: 1993-05-25
Granted: 2003-01-07
Abstract: To increase the resistance of a tubular compact fluorescent lamp against breakage, particularly at the cross-connecting portion (4) of a U-bent discharge vessel having two leg portions (2, 3), the cross-connecting portion is shaped to have generally parabolic cross section, in which the cross-sectional area of the parabola is about the same as the cross-sectional area of the generally circular leg portions of the U-shaped discharge vessel (1). This provides for better distribution of the glass material of which the discharge tube is made, and hence greater resistance to breakage. The parabolic cross section is terminated at the inner side of the U-bend by an essentially flat, or slightly curved base surface (16), merging with rounded corners (16a) with the parabolic side surfaces. Preferably, the relationship of the radius of curvature (R p) at the apex of the parabola to the radius of curvature(R B) of the transition regions (16a) at the corners between the base (16) and the parabolic side surfaces is between about 0.7 and 1.1. The uniform distribution of wall thickness reduces manufacturing defects and breakages.
Patent CA-2099227-C (CA)
Inventor: TOMLINSON RONALD S
IPC: F24H9/00
Filed: 1993-06-25
Granted: 1997-10-07
Abstract: An induced draft, fuel-fired furnace having a heat exchanger with an inlet and an outlet includes a vent having an inlet, a burner, and a vented vestibule in fluid communication with the vent. A blower has an inlet in fluid communication with the heat exchanger outlet, and an outlet disposed at the inlet of the vent. The blower outlet has a cross-sectional area smaller than the vent inlet. The vent inlet and blower outlet define a vent inlet opening. A drafthood formed with an inlet is disposed in the vestibule and forms a plenum in fluid communication with the vent inlet opening. A source of combustion products is disposed in the furnace such that combustion products produced thereby are in fluid communication with the drafthood inlet and vent inlet opening. The source of combustion products includes either a standing pilot or electronic ignitor for igniting fuel operably discharged from the burner.
Patent CA-2103505-C (CA)
Title: Retail floor mat display system
Inventor: WALLACH STEWART
IPC: B65D85/07
Filed: 1993-08-06
Granted: 1996-05-07
Abstract: A system (10) for displaying four-piece automotive floor mat sets  (14,  22). The display system comprises a  first  envelope  (12)  with  a bottom opening (70) for receiving and covering the two  larger front floor mats  (14)  and a second envelope, or pocket,  (20) with a top opening (76) for receiving and holding the smaller rear floor mats (22). The second envelope (20) is piggy-backed on the first envelope (12). A clamp hanger  (32) grips  the  larger pair  of  floor mats  (14)  and suspends  them  from  a  display  bar  (40).  The remainder of the package (10)  suspends from the larger floor mats  (14).  The envelopes  (12,  20) comprise transparent plastic.
Patent CA-2110858-C (CA)
Inventor: THURSTON MARLIN O
IPC: A61B6/00
Filed: 1993-12-07
Granted: 1999-02-16
Abstract: Détecteur contenant du cristal, particulièrement adapté pour les chirurgies immuno-guidées permettant de détecter des émissions gamma présentes dans la région de tumeurs. Cet instrument comprend un cristal de détecteur de cadmium-zinc-tellurure pouvant être retenu par une fixation de doigt positionnée par-dessus le doigt du chirurgien. Dans cette fixation est intégré un premier étage de préamplification conçu pour accumuler des signaux de charge du détecteur et pour entraîner un câble relativement court vers un second étage de préamplification situé, par exemple, dans un boîtier sur le bras supérieur de l'utilisateur. La sonde montée sur le petit doigt peut être déplacée entre des orientations de fonctionnement au niveau de la face antérieure du bout du doigt vers des orientations d'attente au bout du doigt adjacent aux jointures. Selon un autre modèle de cette invention, la sonde intègre un cristal fin d'iodure de sodium dont les scintillations sont transmises par un câble à fibre optique court vers un boîtier monté sur le bras supérieur qui contient un tube photomultiplicateur. Des signaux provenant du boîtier monté sur le bras à distance sont alors transmis par câble plus long ou autre à un pupitre de commande.
Patent CA-2117714-C (CA)
Inventor: LAKES A DALE
IPC: G03G7/00
Filed: 1994-09-20
Granted: 2001-02-27
Abstract: A web or sheet product is provided which is coated on at least a portion of its surface with a bond-enabling material for adhering toner particles, on the surface of the sheet. The sheet product can be used as a mailer or confidential form which is sealed using toner particles as the adhesive. The bond-enabling material may be a polymer which is coated on the sheet as a liquid and then cured to form a film on the surface of the sheet.    The bond-enabling material is resistant to melting or degrading when exposed to temperatures used for fusing toner particles, and additionally may act as a tie coat to enhance the adhesion of toner particles to the surface of the sheet. The bond-enabling material may be coated on the peripheral edges of the sheet, and toner particles are printed over the bond-enabling material on the peripheral edges of the sheet. The sheet is folded and sealed by the application of heat and pressure to the edges of the sheet.