baber/WOPTO huggingface dataset:
Patent CA-1052862-A (CA)
Inventor: CHRISTIANSON CLINTON C
IPC: G01R31/36
Filed: 1976-01-26
Granted: 1979-04-17
Abstract: ABSTRACT OF THE DISCLOSURE A circuit for detecting and indicating the actual state of charge of a storage battery in response to signals sampled from various points in the circuit powered by the battery.  Such circuit is adapted to calculate the open circuit voltage of the battery, it being realized that the open circuit voltage is directly proportional to the battery state of charge.  A function generator is constructed to simulate the characteristic curve of the battery relating the internal resistance to the percent charge.  Feedback is provided from the output of the indicating circuitry to the bias point of the function generator for causing the generator to produce a signal related to the actual internal resistance of the battery.  The circuit is adapted to provide a reliable indication of the amount of usable energy remaining in the battery, irrespective of the conditions under which the battery was discharged.
Patent CA-1047082-A (CA)
Inventor: LARSON WILLIS A
IPC: H01H13/702
Filed: 1976-04-30
Granted: 1979-01-23
Abstract: IMPROVED MEMBRANE SWITCH APPARATUS               ABSTRACT OF THE DISCLOSURE    A membrane switch includes a nonconductive substrate having a planar top surface to which are applied one or more pairs of electrode members.  A flexible, sheet-like membrane is supported adjacent to and spaced from the electrode pairs.  At least the surface of the membrane adjacent to the electrode pairs is electrically conductive and the membrane may be selectively depressed to form an electrical bridge between the electrodes of each pair.  A nonconductive paint or glass may be applied either to the membrane surface in the proximity of the electrodes, to one of the electrodes of each pair, or to the substrate for supporting the membrane in a normally spaced relationship relative to the electrodes.  Nonconductive paint or glass may also be applied to either the membrane surface or to one or both electrodes of each set of electrode pairs in the path of movement between the membrane and the electrodes for requiring a threshold pressure to be applied to the membrane before contact is made to bridge the electrodes.  The threshold pressure may be varied by adjusting the thickness of the nonconductive threshold paint or glass, or the area covered by the threshold material itself.
Patent CA-1053531-A (CA)
Inventor: MELLINGER JOHN C
IPC: G07F1/02
Filed: 1976-05-20
Granted: 1979-05-01
Abstract: ABSTRACT OF THE DISCLOSURE A coin slide apparatus which includes a housing for mounting the apparatus to a machine, a coin slide assembly, and a guideway in the housing for the coin slide assembly to operate within, The coin slide assembly is reciprocally operable in the guideway from an extended coin receiving position through coin authenticating and coin ejection positions to a position for opera-tion of the machine. The coin slide assembly provides a first coin authenticating means through the size and shape of the coin slots. Further authentication or measuring means are provided through pro-visions for washer or magnetic coin rejection means. The coins are secondarily measured for proper diameter within the apparatus by a cam and abutment arrangement which cooperates with a plurality of latch arms to prevent full insertion of the slide assembly if a coin is not of proper diameter. Also, a change in coin elevation from a first higher elevation to a second lower elevation is pro-vided to prevent improper actuation by wedging an object in a slot or slots. Coin ejection means is provided after authentication to insure that coins are deposited in the coin receptacle.
Patent CA-1057374-A (CA)
Title: Electrical connector having a multiplicity of resilient lamellae interposed between two contacting surfaces
Inventor: NEIDECKER RUDOLF
IPC: H01R4/48
Filed: 1976-06-21
Granted: 1979-06-26
Abstract: ABSTRACT OF THE DISCLOSURE     An electrical connector has two members whose surfaces are electrically bridged by means of a conductive strip with a multi-plicity of substantially parallel lamellae bent from and integral with the strip.  The interstices between the lamellae are filled with an elastic material in order to resiliently resist deformation of the lamellae and maintain at least the contact edges of the lam-ellae metallically bright.  The elastic material is electrically and thermally conductive.
Patent CA-1101143-A (CA)
Inventor: BRAUER MELVIN
IPC: C08L7/00
Filed: 1976-07-13
Granted: 1981-05-12
Abstract: ABSTRACT of the Invention This invention provides a method of sealing and purging contaminants from the internal free spaces of an insulated electrical device by forcing into said free spaces a low viscosity material consisting of a mineral oil extended polyurethane that acts to displace fluid contaminants from within said free spaces.  the material later cures in situ to form a hydrophobic seal with good electrical properties.  Also disclosed herein is a method for rehabilitating waterlogged plastic insulated multicon-ductor communications cables of the type employed in telephone systems.
Patent CA-1052140-A (CA)
Inventor: SPRING EDWARD F SR
IPC: B25B23/145
Filed: 1976-09-13
Granted: 1979-04-10
Abstract: ABSTRACT OF THE DISCLOSURE    A nut running pneumatically powered tool, such as an im-pact wrench, having in a handle portion a group of valves including a throttle valve for admitting air to the tool, a manually adjust-able directional valve for selectively directing the air to either a forward or reverse side of an air motor, and a regulating unit located between the directional valve and the throttle valve manual-ly adjustable independently of the directional valve for regulating the volume air flow from the throttle valve to the directional valve. 1.
Patent CA-1079405-A (CA)
Inventor: KING EUGENE
IPC: G01R31/28
Filed: 1976-10-05
Granted: 1980-06-10
Abstract: Abstract of the Disclosure A system for evaluating an artifical cardiac pacer operatively connected to a paced patient comprising an electrically floating circuit for converting an input signal containing artificially paced heart function information derived from the patient to a digital representation thereof of predetermined form and high rate, and another circuit for selectively deriving from said digital representation an exact analog reproduction of at least one artifically generated pacer pulse present in said input signal, said analog reproduc-tion being magnified in time by a predetermined amount.
Patent CA-1080470-A (CA)
Inventor: CUMMINGS THOMAS R
IPC: G09B9/12
Filed: 1976-11-22
Granted: 1980-07-01
Abstract: ABSTRACT OF THE DISCLOSURE         Apparatus and method for simulating "light-on-skids" maneuver of a skid-equipped helicopter by treating the aircraft as having four landing struts.  The ground forces reacting on the fore and aft strut attachment points on each skid are used to simulate an extremely realistic take-off and landing of a helicopter in an aircraft simulator with the cockpit mounted on a moving platform in accordance with invention.
Patent CA-1077589-A (CA)
Inventor: DEBAIGT JEAN
IPC: H01R4/34
Filed: 1976-11-23
Granted: 1980-05-13
Abstract: Borne à vis, disposée entre deux flasques, caractérisée en ce qu'elle est maintenue prisonnière par une gorge dans une lumière d'une lampe support du fait que la tête de la vis reste tenue entre les deux flasques.
Patent CA-1072385-A (CA)
Inventor: HENSY PHILIP E
IPC: G03B1/42
Filed: 1977-01-10
Granted: 1980-02-26
Abstract: PHOTOPRINTING AND PROCESSING DEVICE     Abstract A photographic copying device capable of storing, exposing and processing both color and black and white photo-sensitive material including an exposing chamber which can be made light tight for handling color sensitive material or safe-light protected for black and white material.  Positioning stops in the exposing chamber make it possible to orient photosensitive material in complete darkness.  The copying device can be  oper-ated in ambient light through light baffles.  The material being photographed may be transparent, opaque or in the form of slides.          A slide projector section directs light from the slides into the exposing chamber.  A central control panel governs all copying operations.
Patent CA-1105194-A (CA)
Inventor: DALIBOR HORST
IPC: C08F212/00
Filed: 1977-01-25
Granted: 1981-07-14
Abstract: ABSTRACT OF THE DISCLOSURE             The subject of the present invention refers to a pro-cess for the manufacture of so uble organic copolymers, which give non-tacky, water-resistant and elastic films on very diverse substrates or are suitable as binders for pigments, paints and non-wovens, and for the use of these copolymers as a binder component, the sheet-like structures, which can be manufactured from these polymers, having however. properties which are considerably improved in various respects.      The binders exhibit a good pigment-binding capacity and also posses good resistance to weathering. These binders are employed mainly  as automotive lacquers for final lacquerin or as car touch-up lacquers.      The copolymers obtainable according to the invention can be employed together with polyisocyanates in the reactive lacquers in order to produce coatings or coverings on sub-strates of very diverse types, for example porous or non-porous substrates, such as textile non-wovens, leather or plastics. The production of coatings on wood or metals should be singled out in particular. In every case coatings which have a high gloss and a very hard surface and are pore-free, eleastic and resistant to solvents are obtained. Such coatings also exhibit an outstanding resistance to weathering and resistance to yellowing.
Patent CA-1084063-A (CA)
Title: Basic non-carbonated magnesium compositions and fuel, lubricant and additive concentrate compositions containing same
Inventor: KARN JACK L
IPC: C10M159/20
Filed: 1977-04-21
Granted: 1980-08-19
Abstract: ABSTRACT OF THE DISCLOSURE           This invention relates to basic magnesium salts of substituted aromatic hydroxy carboxylic acids or the deriva-tives thereof and to a process for preparing such salts. These salts can be used either alone or in combination, as additives, in a variety of lubricating oils and fuels inclu-ding gasoline, diesel fuels, etc.
Patent CA-1080340-A (CA)
Inventor: TOPPING FREDERICK V
IPC: G01N29/04
Filed: 1977-05-20
Granted: 1980-06-24
Abstract: A B S T R A C T Apparatus for measuring the thickness of the walls of liquid-bearing pipelines provides a transmitter and a receiver of ultrasonic waves supported to move down the pipelines in spaced relationship to the walls, and provides means associated with the receiver for detecting the reflections of the transmitted waves from both the Inner and the outer walls of the pipeline and for recording the time interval between such detections as a measure of pipe thickness.        Another aspect of the invention provides, for measuring the thickness of the walls of gas-bearing pipelines of providing a liquid filled tire which rolls on the pipeline wall as the detecting apparatus travels therealong and which tire and its contained liquid contained the ultrasonic trans-mitter and receiver.
Patent CA-1100614-A (CA)
Inventor: HUNG ROLAND Y
IPC: G02F1/01
Filed: 1977-05-25
Granted: 1981-05-05
Abstract: A MEMBRANE DEFORMOGRAPHIC DISPLAY, AND            METHOD OF MAKING                   ABSTRACT OF THE DISCLOSURE         A deformographic membrane display system in which a semiconductor substrate, for example silicon, has an insulating layer such as SiO2 formed thereon with an array of holes formed in the insulating layer.  Alternatively, the insulating layer may be omitted, with the holes being formed in the substrate.  A reflec-tive membrane, including a thin metal layer, is formed over the surface in which the holes are formed.  Electrodes are formed in the silicon substrate directly beneath or in each of the holes.  Control circuitry, which for example, may be formed utilizing metal oxide semiconductor field effect transistor (MOSFET) technology and/or bipolar technology, is formed in the silicon substrate for selectively energizing the electrodes.  The portion of the membrane over a given hole is deformed in response to the electrode thereunder being energized by the control circuitry.
Patent CA-1069310-A (CA)
Inventor: DILWORTH JOHN L
IPC: B23D63/16
Filed: 1977-06-21
Granted: 1980-01-08
Abstract: Abstract A chain saw sharpener is provided for sharpening the teeth of a cutting chain during operation of the chain saw.  The sharpening system includes a housing mounted in the chain saw engine shroud and projecting both interior of and exterior of that shroud.  A bushing is splined within the housing and the arbor of a grinding stone is rotatably supported in the bushing. The bushing and grinding stone are movable with respect to the fixed housing between a first position in which the grinding stone is remote from the cutting chain teeth and a second posi-tion in which the grinding stone is positioned for contact with cutting edges of the chain teeth as they travel in their fixed path around a sprocket within the shroud.  A manually depress-able knob is threadably engaged with the bushing and includes a stop surface engagable with the housing to define the second position of the grinding stone.  The positioning of that stop surface with respect to the housing is adjustable by the threaded engagement of the knob with the bushing.  A chosen position is maintained by a free-floating detent member disposed around the bushing within the housing and engaging a serrated surface of the knob.  The detent, and thus the knob, the bushing, and the grinding stone, are biased by a spring within the housing urging all those items toward a position in which the grinding stone is retracted from the cutting chain.
Patent CA-1096625-A (CA)
Inventor: ZORTEA MICHEL
IPC: C03B18/06
Filed: 1977-07-27
Granted: 1981-03-03
Abstract: IMPROVEMENT IN THE PRODUCTION OF FLAT GLASS             ABSTRACT OF THE DISCLOSURE           An improvement in the method and apparatus for the production of flat glass by the float glass method wherein molten glass is poured into a bath of molten metal, caused to float along the top of the bath, and after being sufficiently hardened, drawn off of the bath.  The improve-ment included the use of a connecting member emerging from the molten metal bath at the upstream end thereof for receiving the falling glass before it enters the bath.      The connecting member has a forward surface inclined in the direction of movement of the glass in the bath.  This gives the glass a component of movement in this direction to accelerate it to a velocity compatible with the velocity of movement of the glass at the exit end of the bath.  The contact of the falling glass with the connecting member before the glass passes into the surface of the bath also reduces agitation of the glass.
Patent CA-1057204-A (CA)
Inventor: GRUNDHERR WILLY J
IPC: B41J1/30
Filed: 1977-09-30
Granted: 1979-06-26
Abstract: ABSTRACT OF THE DISCLOSURE       A rotary wheel printing system having improved print wheel and carriage position control signal generators and an improved electronic system for controlling operation of the mechanical elements.       The print wheel and carriage position control signal generators each employ an LED light source for illuminating light sensitive detectors associated with the timing track of an encoder disc rotatably mounted on the print wheel or carriage motor shaft.  The detectors are arranged to generate a pair of signal trains having a constant phase displacement in response to rotation of the associated disc.  These signal trains are shaped and processed to provide position reference signals used to control an associated position counter unit and an electronic servo control system for driving the associ-ated motor, the servo control system having both a position and a rate mode of operation.  A separate light sensor is arranged to be constantly illuminated by the LED source to provide intensity monitoring signals which are compared with reference voltage in a feedback circuit so that any variation In the light intensity is automatically corrected.  The electronic control system provides variable hammer striking intensity tailored to the individual characters or symbols comprising the print wheel font.  A memory stores individual address characters each corresponding to different ones of the print wheel symbols and individual hammer intensity characters associated with different ones of the address characters.  When the print wheel is rotated to the proper position, the corresponding hammer intensity character is fetched from memory and used to specify the intensity with which the symbol is impressed against the print medium by a solenoid hammer drive unit.
Patent CA-1099462-A (CA)
Inventor: JENSEN JAMES H
IPC: B01D71/58
Filed: 1977-10-19
Granted: 1981-04-21
Abstract: ABSTRACT OF THE DISCLOSURE        The water flux rate (i.e., rate of water flow) through an aromatic nitrogen-linked synthetic organic polymer membrane in separation processes, such as reverse osmosis, is improves by incorporating a selected non-ionic, anionic or ampholytic surfactant into the rinse medium used to quench and extract salts and solvent from the membrane during preparation.  The surfactant can be, inter alia, a water-soluble polyethylene glycol ester.  The surfactant is effective in improving water flux in amounts ranging from between about 50 p.p.m. to about 10,000 p.p.m. based on rinse medium.
Patent CA-1079914-A (CA)
Inventor: HAMADA MASATO
IPC: B01J47/12
Filed: 1977-11-09
Granted: 1980-06-24
Abstract: IMPROVED METHOD FOR PREPARATION                  OF CATION EXCHANGE MEMBRANE     Abstract of the Disclosure A fluorocarbon polymer membrane having pendant sulfonamide groups is first treated with anion radicals and then hydrolyzed for conversion into a cation exchange membrane having carboxylic groups and sulfonic acid groups.
Patent CA-1090550-A (CA)
Inventor: DESIMONE ROBERT S
IPC: C10M135/22
Filed: 1977-12-07
Granted: 1980-12-02
Abstract: Use of Odoriferous Compounds to Detect Gas Losses in Freon Systems Abstract of the Disclosure A series of compounds are disclosed which are useful as odorants to warn of loss of refrigerant gas from refrigeration systems.  These compounds are chemically inert in the presence of the refrigerant and can resist the high temperatures encountered in the compression cycle.
Patent CA-1088283-A (CA)
Inventor: FIEDLER DAVID F
IPC: B21J5/10
Filed: 1977-12-15
Granted: 1980-10-28
Abstract: ABSTRACT OF THE DISCLOSURE       A piston comprises a piston pin bore adapted to at least par-tially contain a piston pin.  The bore is finished by a roll bur-nishing process which substantially simultaneously prestresses, smooths and distorts the bore into a predetermined hourglass configuration.
Patent CA-1092692-A (CA)
Inventor: ENGLER BRYAN L
IPC: H05K5/00
Filed: 1977-12-23
Granted: 1980-12-30
Abstract: ABSTRACT OF THE DISCLOSURE           A housing for a control device is provided, the housing including a front panel with means to secure the front panel to the control device.  An additional portion which defines side panels abutting the front panel is also provided, thereby defining an enclosed space containing the control device.  The means providing the side panels is also capable of being secured to the control device at a location opposite from the securement of the front panel.  An opening to the rear out of the enclosed space allows air to enter the enclosed space, and removable spacer means are provided in the form of frangible protuberances for spacing the enclosure from a wall against which it may be secured.
Patent CA-1104602-A (CA)
Inventor: BERNSTEIN MORTON J
IPC: A63B21/16
Filed: 1978-01-09
Granted: 1981-07-07
Abstract: ABSTRACT OF THE DISCLOSURE A sit-up exercise apparatus adapted to be utilized in conjunction with a door having spaced apart vertically extend-ing surfaces and a bottom intermediate the surfaces. The apparatus comprises frame means having oppositely disposed sides and adapted to be removably secured to the door. The frame means includes an elongated base adapted to extend below the bottom of the door, and front and rear members, each one of the members having an oppositely disposed lower end connected to the base and an upper end with spaced apart inner and outer walls inter-mediate the ends. The inner walls adapted to extended in over-lapping relation with the surfaces of the door. The inner walls oppositely disposed with respect to each other defining a space therebetween greater than the width of the door defined by the surfaces so as to readily permit the positionment  of the door therebetween. Clamping means is operatively connected to one of the members and extends inwardly of the inner wall for releasably clamping one of the surfaces of the door, such that the frame is fixedly secured to the door at a selected position thereon and may be readily removed from securement therewith by releasing the clamping means. Supporting means extends outwardly from one of the members on the frame means and is adapted to extends at a height above the base so as to be readily engageable by the insteps of the user of the sit-ups exercise apparatus.
Patent CA-1111999-A (CA)
Inventor: HARGREAVES BRIAN
IPC: B29C48/38
Filed: 1978-02-01
Granted: 1981-11-03
Abstract: ABSTRACT OF THE DISCLOSURE                 Crystal polystyrene is satisfactorily protected against oxidation degradation in foam extrusion processes and thermoforming of articles from the  expanded product product so formed, by incorporating therein of a combined stabilizer system, comprising from about 0.01 to about 0.5 parts by weight of a hindered phenol compound such as 1,1,3-tris(2-methyl-4-hydroxy-5-tert.butyl phenyl) butane, and from about 0.02 to about 1.0 parts by weight of a tris (substituted phenyl) phosphite such as tris (mixed mono-and dinonylphenyl phosphate), based upon 100 parts by weight of polystyrene.  Such stabilized foamed crystal polystyrene may be used for the production of formed articles.
Patent CA-1074923-A (CA)
Inventor: VIAU OMER A
IPC: H05K3/20
Filed: 1978-02-01
Granted: 1980-04-01
Abstract: ABSTRACT OF THE DISCLOSURE       Circuit boards are produced using a perforated polyethy-lene sheet by filling the perforations in the sheet with grease, placing a frame on the sheet to form a mold, mounting electrical components on the sheet by inserting the leads of the components into the perforation, applying a layer of sand to the mold surrounding the component leads but not completely covering the components, and pouring an epoxy resin into the mold, the resin mixing with the sand and filling the mold, whereby the resulting circuit board includes a solid epoxy and and body with connec-tors and component leads on  one surface and electrical compo-nents projecting outwardly from the other surface thereof.
Patent CA-1114691-A (CA)
Inventor: WISLER ALLEN E
IPC: E21B17/042
Filed: 1978-01-31
Granted: 1981-12-22
Abstract: Abstract of the Disclosure A tool joint hardfacing containing sintered tungsten carbide granules embedded in an alloy steel matrix, with the surface substantially free of protruding granules to decrease casing wear during well drilling.  The hardfacing is applied in a single application by rotating the drill pipe, providing an arc between a consummable steel wire and the pipe to create a weld puddle, and reciprocating the wire paralled to the pipe axis to create a band.  Sintered tungsten carbide granules are gravity fed from an orifice directly into the arc and precipitate toward the bottom of the matrix to pro-vide a smooth surface.  The bottom of the matrix appears to be harder than the top.