baber/WOPTO huggingface dataset:
Patent CA-2015139-A1 (CA)
Title: Brush holder for an electric motor
Inventor: LENTINO LYNN E
IPC: H01R39/41
Filed: 1990-04-23
Abstract: ABSTRACT OF THE DISCLOSURE     A  unitary bifurcated brush holder (52) for a small electric  motor  (10),  has  a  pair of spaced coplanar terminal  tabs  (134,  136).    The  tabs are laterally offset  from  the brush holder sleeve (110), and extend axially  of  the  motor  for  direct plug-in engagement with  terminals  (38)  at  the commutator end (12) of a stator  assembly  (24).   The brush holder (50) is made from  a single sheet metal stamping.  The terminal tabs (134,  136)  are  carried  at  the end of a support arm (114) extending  from a wall (122) of the brush holder sleeve  (110).    In  assembly,  the  brush  holder  is mounted  in  an  insulator  (50) which includes support bosses   (92,  94)  for  engaging  and  augmenting  the support of the rear end of the terminal tabs.
Patent CA-2021025-A1 (CA)
Title: 3-substituted vinyl cephalosporin derivatives
Inventor: SASHO MANABU
IPC: A61K31/545
Filed: 1990-07-12
Abstract: ABSTRACT 3-Substituted vinyl cephalosporin derivatives represented by the following formula:          wherein R1 represents a hydroxyl or lower alkoxyl group, X represents a nitrogen atom or a group represented by the formula -CH=, R2 represents a car-boxyl group or a carboxyl group protected with a pro-tecting group, and R3 is as defined herein, and pharmaceutically acceptable salts thereof are potent antibacterial agents.  Processes for their preparation, intermediates in such processes, and antibacterial com-positions containing them as active ingredients are also described.
Patent CA-2021382-A1 (CA)
Title: Radio link architecture for wireless communication systems
Inventor: STRAWCZYNSKI LEO
IPC: H04B7/26
Filed: 1990-07-17
Abstract: An improved radio link architecture for digital wireless communication systems which is characterized by the use of information and signalling channels on a number of RF carriers, thereby providing common signalling channels for call set-up and control functions. A first group of RF carriers are allocated as traffic channels between base stations and subscriber terminals. Each RF carrier in the first group comprises at least one traffic channel. A second group of RF carriers is allocated for providing common signalling channels between the base stations and the subscriber terminals. Each RF carrier having common signalling channels operates in time division multiple access mode, and each common signalling channel being time division duplexed.
Patent CA-2022096-A1 (CA)
Title: Black synthetic fibre
Inventor: PALILIONIS JOHN A
IPC: D01F6/60
Filed: 1990-07-27
Abstract: BLACK SYNTHETIC FIBRE                          ABSTRACT          A polyamide composition for use in making high strength black nylon 6,6 fibre. The composition comprises of nylon 6,6 polymer; at least 0.4 wt% of carbon black based on the weight of the composition: in the range of about 0.006 to 0.1 wt% based on the weight of the composition of an organic pigment having a mean particle size in the range of about 0.05 to 0.2 microns, the pigment being heat stable at the melting point of the nylon and being insoluble in the nylon.  The components (a) (b) and (c) are blended together at a temperature at or above the melting point of the polymer to provide an even dispersion of (b) and (c) in (a).
Patent CA-2022927-A1 (CA)
Title: Propylene polymer composition
Inventor: TAKADA TOMIO
IPC: C08L23/10
Filed: 1990-08-08
Abstract: A propylene polymer composition is disclosed, which comprises (A) a propylene homopolymer and/or a propylene-ethylene random copolymer containing not more than 10% by weight of ethylene as a monomer unity said homopolymer and copolymer containing not more than 5% by weight of xylene-soluble matter at 30°C, (B) an ethylene-propylene random copolymer containing 30 to 75% by weight of propylene as a monomer unit, containing not more than 5% by weight of xylene-insoluble matter at 30°C, .having a ratio of weight-average molecular weight to number-average molecular weight of more than 10 but less than 100 as measured by gel permeation chromatography, (C) an ethylene-propylene copolymer containing 15 to 40% by weight of propylene as a monomer unit and having a melt flow rate of 0.1 to 4.0 g/10 min, a melting peak temperature of not lower than 80°C as measured by differential scanning calorimeter, a crystallinity of at least 1% as measured by X-ray, diffraction method and a ratio of weight-average molecular weight to number-average molecular weight of 4 to 10 as measured by gel permeation chromatography, and (D) talc having an average particle diameter of 0.5 to 20 µm, wherein the amount of polymer component (B) is 5.0 to 40% by weight based on the total amount of polymer components (A) and (B); a polymer composition consisting of polymer components (A), (B) and (C) has an MFR of 2.0 to 100 g/10 min; the amount of polymer component (C) is 17 to 40% by weight based on the amount of the composition, and the amount of talc (D) is 3.0 to 15% by weight based on the amount of the composition.
Patent CA-2024547-A1 (CA)
Title: Process and apparatus for concentrating a liquid which contains sulfuric acid and water
Inventor: HOHMANN KLAUS
IPC: C01G23/053
Filed: 1990-09-04
Abstract: ABSTRACT      Two heated processing stages and a flashing stage for obtaining the final concentration are used to concentrate a salt-containing dilute sul-furic acid. The first processing stage consists of evaporating means which comprise a circuit for ciru-lating a liquid, an indirect heat exchanger and an evaporating vessel. The second processing stage con-sists of one or two of such evaporating means. The li-quid to be processed is first fed to the first heated processing stage, in which the highest temperatures are between 50 and 70 °C. The highest temperatures in the second processing stage are between 130 to 160 °C. The second processing steam is heated with live steam and the first processing stage with vapors from the second stage. The liquid which is withdrawn from the flashing zone has an H2SO4 concentration from 60 to 80 % by weight, calculated without solids.
Patent CA-2025652-A1 (CA)
Inventor: BATDORF VERNON H
IPC: C08J7/04
Filed: 1990-09-18
Abstract: Abstract The invention relates to a process of thermoforming thermoplastic substrates.  More particularly the method of the  invention  relates  to  a  method  of  thermoforming thermoplastic  substrates  wherein  an  integral  coating  is formed on the thermoplastic substrate that is resistant to removal of the coating.   The novel coating method of the invention produces coated thermoplastic substrates wherein the coating is intimately bonded to the substrate.   The coated  substrates  are  hard,  abrasion  resistant,  mold resistant, chemically resistant, and solvent resistant. The coating composition employs in a solvent base a pigment and a thermoplastic material compatible with the to be coated thermoplastic  substrate.   The  thermoplastic material  in cooperation with the pigment, solvent and other components of   the   coating composition   after   coating   on   the thermoplastic  substrate,  are  heated  to  a  thermoforming temperature and the thermoplastic material  is  intimately fused to the thermoplastic substrate surface.
Patent CA-2028123-A1 (CA)
Title: Ink jet head having heat generating resistor made of non-single crystalline substance containing ir, ta and al and ink jet apparatus having such ink jet head
Inventor: HASEGAWA KENJI
IPC: C22C5/04
Filed: 1990-02-28
Abstract: An ink jet head is furnished with an electrothermal transducer which has a heat-generating resistor (1). (1), when energised, generates thermal energy, which is utilised for direct heating of an ink on a thermal action plane and thus for jetting the ink. The heat-generating resistor (1) is made of a material contg. Ir, Ta and Al. The component material of (1) is a non-monocrystalline, polycrystalline or amorphous substance, or a mixt. of these. It contains O,C,N,Si,B,Na,Cl or Fe as impurities. (1) has a structure consisting of a laminated plurality of layers. The electrothermal transducer is furnished with a pair of electrodes to conduct electricity to (1) when it is in contact with (1). The thermal action plane comprises (1) alone or (1) and a protective layer formed on it. The protective layer comprises a Ta layer forming the thermal action plane, (1), and an Si insulating layer existing between (1) and the Ta layer. (1) is 300 Angstroms - 1 micron thick (pref. 1000-5000 Angstrom). An ink jet device is equipped with the ink jet head.
Patent CA-2028503-A1 (CA)
Inventor: ROTTGER JUTTA
IPC: C09K23/36
Filed: 1990-10-25
Abstract: Aqueous dispersions of copolymers and graft copolymers of ethylenically unsaturated perfluoroalkyl monomers having at least 6 C atoms in the perfluorinated chain and ethylenically unsaturated monomers containing no perfluoroalkyl groups, which additionally contain certain ester compounds which cannot be used as comono-mers, are outstandingly suitable for finishing textile materials, leather and the like. Excellent oleophobic and hydrophobic effects are obtained.
Patent CA-2030898-A1 (CA)
Inventor: WAWRZYNIAK WALTER W
IPC: F16H19/02
Filed: 1990-11-26
Abstract: A mechanism for providing a cycloidal output motion for an output member in a lineal direction using a constant velocity rotary input motion driving an off-center input shaft and drive gear and utilizing a secondary motion to influence the position of the drive gear in relation to the output member and the acceleration and deceleration of the output member.  A compact embodiment utilizes a ring gear and planetary and a reaction motion to provide the secondary input.
Patent CA-2032857-A1 (CA)
Title: Heater diagnostics and electronic control for clothes dryer
Inventor: BASHARK LARRY T
IPC: D06F58/28
Filed: 1990-12-20
Abstract: ABSTRACT            A control for a clothes dryer with an induction drive motor and an electric resistance heater element.  A single sense winding is threaded through sensors monitoring drive motor current and heater current, generating an output voltage each time the alternating motor or heater current passes through a zero-crossing.  The control monitors the ON/OFF condition of the heater and samples the lagging phase angle of the motor current, and provides an improved means of detecting when the clothes load is dry.   The control provides a clothes cool-down period with controlled moisture regain as per the user dryness selection.  Numerous heater related diagnostic condi-tions are monitored at the start of each cycle, or, through-out each cycle, including: heater ground fault detection; 208 or 240 VAC service voltage identification; heater open/short circuit detection; open door detection; heater box thermostat cycling; and restricted air flow detection.
Patent CA-2033730-A1 (CA)
Title: Heparin-binding growth factor
Inventor: DEUEL THOMAS F
IPC: C07K14/00
Filed: 1991-01-07
Abstract: A novel heparin-binding growth factor of 18.9 kDa mol. wt. is disclosed which is purified from bovine uterus and human placenta and has a unique 25 N-terminal amino acid sequence as follows:        Gly-Lys-Lys-Glu-Lys-Pro-Glu-Lys-Lys-Val-Lys-Lys-Ser-Asp-Cys-Gly-Glu-Trp-Gln-Trp-Ser-Val-Cys-Val-Pro.
Patent CA-2036588-A1 (CA)
Title: Swivelling optical connector for joining optical fiber to components and sensor including such connector
Inventor: MONGUZZI LUIGI
IPC: G02B6/32
Filed: 1991-02-19
Abstract: ABSTRACT OF THE DISCLOSURE Optical connectors adapted to join optical fibers to an optical component, each connector having an outer support to be fixedly secured to the component and provided with a housing receiving a movable element having a spherical-surface portion to which an optical fiber-holding body is connected.  The spherical surface of the movable element is in contact with a mating surface of the outer support and permits pivoting or rotation of the movable element and the body housing the fiber about any axis passing through the center of the spherical surface itself.          Tightening means for locking the movable element against the housing surface is provided/ and such tightening means is adapted to prevent pivoting or rotation of the movable element itself by friction.  The connector can be made entirely of dielectric materials.
Patent CA-2039689-A1 (CA)
Title: Artificial fish lure
Inventor: GUGELYK JOSEPH M
IPC: A01K85/16
Filed: 1991-04-03
Abstract: ABSTRACT OF THE DISCLOSURE     An artificial under water fish lure, comprising an elongated body,  having  a cross  section of  two body plates rising  in proportional lengths symmetrically about a line of juncture. The body decreasing in cross sectional size forwardly comprising a head portion, and rearwards. A thin substantially flat head plate affixed on the forward portion of the body. Apertured means at the forward head portion swivelly mounted; and whereby when normally drawn horizontally through the water at the end of fish line, the lure will attract fish regularly into striking,  by exposing interior and exterior surfaces of the body plates, the majority of the interior surface hidden intermittently by the exterior surface, as the lure wobbles through the water.
Patent CA-2040079-A1 (CA)
Title: Vacuum cleaner with fuzzy control and a method of vacuum cleaning
Inventor: ABE SHUJI
IPC: A47L9/28
Filed: 1991-04-09
Abstract: A vacuum cleaner with fuzzy control comprises a detector for detecting condition of sucking of dust, such as an amount of dust, a kind of dust, a kind of a surface of a floor to be cleaned and a fuzzy inference section responsive to the condition of sucking of dust for determining a sucking force to control a sucking force through fuzzy inference.
Patent CA-2040852-A1 (CA)
Title: Polyarylate and process for preparing the same
Inventor: YOSHIDA TATSUSHI
IPC: C08G59/02
Filed: 1991-04-19
Abstract: A polyarylate comprising units derived from an aromatic carboxylic acid compound and units  derived from a bisphenol compound and containing an epoxy group.  According to the process of the present invention, the polyarylate having epoxy group can be economically prepared. Since the polyarylate of the present invention has epoxy group, it has the reactivity with amino group, hydroxyl group, acid anhydride group, or the like. Therefore, the polyarylate is mixed with another polymer to give a polymer alloy or is utilized as the precursor of a graft-copolymer, utilizing the reactivity.
Patent CA-2042288-A1 (CA)
Title: Reciprocating vacuum pump
Inventor: SHINOTO HIROSHI
IPC: F04B37/14
Filed: 1991-05-10
Abstract: A reciprocating vacuum pump characterized in that each sliding part of a crank moving portion and piston moving portions is made oilless, two pistons in the piston moving portions being formed so that their load working lines are aligned, a suction exhaust valve being provided on each of the two pistons. This pump may have a multistage structure in which two pistons extend in a horizontally opposed state. The reciprocating vacuum pump thus constructed is small in size and light in weight, and is substantially free from vibration.
Patent CA-2043315-A1 (CA)
IPC: A61F11/00
Filed: 1991-05-27
Abstract: EAR COVERING APPARATUS            ABSTRACT OF THE DISCLOSURE:      An ear covering apparatus  for improving the hearing of a person in a rearward direction is disclosed.  The apparatus is shaped so as to have a front, a first side, a top, and a bottom, and to be open at the opposite side and the rear.  The apparatus is worn over the ear such that a concavity is formed between the ear and the apparatus.  The opening at the rear is located behind the ear. Further, the apparatus is shaped so as to reflect sound from a rearward direction to the ear.  The apparatus also employs a slot in the side for reducing air pressure within the apparatus and thus increasing the level  of sound reaching the ear.
Patent CA-2043888-A1 (CA)
Title: Method for forming a numerical control program
Inventor: KUNII TOSHIYASU
IPC: G05B19/18
Filed: 1991-06-05
Abstract: ABSTRACT OF THE DISCLOSURE    A method for forming a numerical control program comprises analyzing the actual motions of a human being and designing a new motion based on knowledge obtained by analysis of the forces and torques acting on the joints of the human body.  A machine tool is divided into a plurality of independent elements, and the motion of each element when a force corresponding to a basic motion of a human being is exerted thereon is calculated using dynamics.  Constraints including the articulation of the machine tool and the range of movements of its joints are applied to the machine tool.    Forces corresponding to motions produced by the application of constraints are calculated by inverse dynamics.  The motions of and forces acting on the elements of the machine tool are displayed on a screen.
Patent CA-2044007-A1 (CA)
Title: Work holder
Inventor: MASSEY NAVARRE A
IPC: B25B11/00
Filed: 1991-06-06
Abstract: ABSTRACT OF THE DISCLOSURE           In general, work holders capable of manipulating large work pieces are somewhat cumbersome or require frequent loosening and tightening to permit repositioning of a work piece.  An apparatus for solving these problems includes a stand defined by an H-shaped base with a post extending upwardly therefrom, a bearing sleeve mounted on the top end of the post, a shaft extending through the bearing sleeve for rotation around a horizontal axis, a load support disc or plate on one end of the shaft for supporting a work piece, and a slack adjuster on the other end of the shaft for rotating the latter to manipulate the work piece.  A second version of the work holder includes a head pivotally mounted on the top of the post for rotation around a horizontal axis, and a second slack adjuster for rotating the head to incline the work piece carrying shaft.  The second slack adjuster can form part of the turnbuckle, and a slack adjuster can be used for rotating the first slack adjuster.
Patent CA-2044071-A1 (CA)
Title: Underground concrete vault structure for hazardous liquid storage tanks
Inventor: OLSEN GORDON L
IPC: B65D88/76
Filed: 1991-06-07
Abstract: ABSTRACT A fluid tight structure or vault particularly suited to having hazardous liquid storage tanks located therein for storage of liquids such as gasoline, and used as a replacement for underground storage tanks in facilities such as gasoline stations,  truck stops,  or industrial plants,  so that the storage tanks are available for periodic inspection and any leakage from such tanks is contained within the structure to avoid contaminating surrounding ground,  is constructed of prefabricated  concrete  panels  having  weldable  material embedded therein where the panels meet so that the panels may be seal welded together along adjacent edges to provide  the fluid tight structure.   Thus, floor panels have plates of weldable material embedded therein over which wall panels having bottom edges of weldable material  are placed and welded.   Adjacent side edges of the wall panels are also welded.  The welds provide seals between the various panels and provides  structural  strength to hold  the panels  in assembled position.  The structure is preferably constructed below ground level with a structure roof of concrete panels positioned at ground level and designed to have vehicles travel thereover.   The floor of the structure preferably extends beyond the perimeter of the walls to form a lip which is covered with earth to keep the structure from floating upwardly.
Patent CA-2046380-A1 (CA)
Title: Slow blowing cartridge fuse and method of making the same
Inventor: ONKEN DANIEL
IPC: H01H85/041
Filed: 1991-07-05
Abstract: A slow blowing fuse includes an open-ended rigid housing defining a fuse element-containing space therein.  Conductive end caps close off the ends of the housing and act as electric terminals  for the fuse.  A spiral wound fuse element in said space extends between the end caps. The spiral wound fuse element comprises a core of flexible material around which is spirally wound a fuse filament which is electrically connected to the end caps.  The spiral wound fuse element is sandwiched between the end caps to provide a configuration where at least the central portion thereof is located adjacent to the housing walls.
Patent CA-2047475-A1 (CA)
Title: Device for the preparation of hot beverages by extraction
Inventor: SCHNEEBERGER GERHARD
IPC: A47J31/36
Filed: 1991-07-22
Abstract: ABSTRACT OF THE DISCLOSURE A device for preparing hot beverages such as coffee by extraction having an extraction cup (5) movable from an outset position to an extraction position along a control track (2) in a mounting plate (1) by a movable holder (4).  The extraction cup (5) is detachably secured to the movable holder (4).  The extraction cup (5) is filled from a coffee grinding unit (3) and is then displaced along the horizontal portion (2') of the control track (2) laterally until it is located vertically below an extraction piston (11), whereupon it moves vertically upward.  In this manner, the ground coffee is compressed.  Simultaneously, through a hot water inlet neck (8), communication with a hot water heater (10) is established.  After the extraction, a stop (15) is displaced beneath a tappet (7) supported in the extraction cup (5) and keeps the tappet at the top of the extraction cup (5) during the downward motion of the extraction cup (5).  In the ensuing return motion of the extraction cup (5) to the outset position, the cup moves beneath a scraper (16) that cleans the filter (6) and scrapes off the filter cake.
Patent CA-2048192-A1 (CA)
Title: Preparation of potassium magnesium l-ascorbate 2-phosphate
Inventor: DOBLER WALTER
IPC: C07D307/62
Filed: 1991-07-31
Abstract: Potassium magnesium L-ascorbate 2-phosphate is prepared from an aqueous solution of potassium L-ascorbate 2-phosphate which is highly contaminated with KCl, as is produced in the phosphorylation of 5,6-iso-propylidene-L-ascorbic acid, by adding to the solution about 1 equivalent of magnesium ions per equivalent of L-ascorbate 2-phosphate, and subsequently removing the KCl by electrodialysis. The product of this process is a novel salt of L-ascorbic acid 2-phosphate and has very advantageous handling properties.
Patent CA-2048634-A1 (CA)
Title: Echo canceller
Inventor: THRANE MORTEN
IPC: H04M9/08
Filed: 1990-12-21
Abstract: This invention relates to an echo canceller such as for use in a full duplex hands free radio. The echo canceller is particularly suitable for use in a vehicle fitted with a microphone and a loudspeaker, for cancelling echos reach the radio microphone (16) from the radio loudspeaker (13). The signal paths are divided into sub-band channels (Y1-YM). Each of the channels has an adaptive filter (24, 29, 30), a time delay coefficient of which is dynamically adjustable. Means are provided for cancelling echos by compensating the signal on each channel as a function of the signal from the filter, and means (S1, Si, SM) are provided for initiating and suspending the adjustment of the coefficient of each channel filter as a function of the signal on that channel (X1-XM and/or Y1-YM).
Patent CA-2051870-A1 (CA)
Title: Multiple outlet receptacle with circuit breaker and continuity switch mechanisms
Inventor: MURPHY GLENN L
IPC: H01R13/70
Filed: 1991-09-19
Abstract: A multiple outlet receptacle has a molded insulating body which includes multiple groups of infernal contact elements disposed in the body and defining multiple electrical outlets adapted for receiving multiple outlet plugs. The receptacle also has a circuit breaker mechanism and a continuity switch mechanism mounted in the body and connected in series with one another and with an electrical power cord and each of the multiple electridal outlets for respectively protecting external electrical circuits plugged into the multiple electrical, outlets and switching on and off external electrical circuits plugged into the multiple electrical outlets.