baber/WOPTO huggingface dataset:
Patent CA-1075975-A (CA)
Inventor: YEAGER ROBERT R
IPC: A01C7/02
Filed: 1978-08-11
Granted: 1980-04-22
Abstract: HAND OPERATED SEED PLANTER    Abstract of the Disclosure A hand held seed planter includes a tubular body and a pair of ground-opening jaws pivotally carried on one end of the body. A seed hopper is slidably mounted on the other end of the body and a ground engaging collar is carried on the one end, surrounding the jaws and mounted for sliding movement on the tubular body.  When the soil collar is placed on the ground and a downward force applied to the handle attached to the hopper, the jaws are moved downward into the soil and create a seed opening in the soil.  Adjustable pins on the collar con-trol the depth of the opening.  At the same time, a seed scoop recess, carrying a seed, is brought into alignment with an opening in a tube which extends through the hopper.  A seed is then transferred into the tube, pas-sing through the tubular body and between the jaws, to be planted in the seed opening.        In one embodiment of the invention, the jaws are operated by upward movement of the soil collar, while in another embodiment, the jaws are operated by rollers carried on an internal jaw actuating tube which contacts cams formed in the inside surfaces of the jaws.
Patent CA-1095715-A (CA)
Title: Method of making a smooth, dimensionally stable, mica- filled, glass fiber sheet
Inventor: CULP CHARLES R
IPC: E04F15/16
Filed: 1978-09-11
Granted: 1981-02-17
Abstract: METHOD OF MAKING A SMOOTH, DIMENSIONALLY STABLE, MICA-FILLED, GLASS FIBER SHEET                     Abstract of the Disclosure A mica-filled glass fiber sheet which is smooth, of rela-tively low porosity, and dimensionally stable is described as is its method of manufacture.  The sheet is prepared from a low-consistency aqueous slurry wherein the solids consist essentially of glass fibers, organic fibers, mica, and binder.  Based on 100 parts by weight glass fibers, 3 to 15 parts by weight organic fibers, 30 to 100 parts by weight mica flakes, and 5 to 20 parts by weight organic binder are added to the water in preparing the furnish.  In forming the sheet, this slurry or furnish is deposited onto a moving screen, the excess water is removed, and the wet laid sheet is dried and the binder set. In a subsequent operation, the sheet is saturated with a resin solu-tion or latex.
Patent CA-1105845-A (CA)
Inventor: BELL JAMES A
IPC: B01D21/06
Filed: 1978-09-26
Granted: 1981-07-28
Abstract: ABSTRACT A clarification device for solids-liquid separation by gravitational settling has a peripheral inlet trough connected to a plurality of uniformly spaced inlet con-duits which direct influent liquid and solids toward the center of the clarifier.  The size of the hole in the inlet trough communicating with each inlet conduit can be selectively controlled and individually changed. This enables the volume of liquid and solids withdrawn through each hole to be controlled so as to cause the velocity energy decrease at each hole to generally equal the friction energy loss between any hole and the pre-ceding hole while maintaining about the same volume of discharge flow into the clarifier through each inlet conduit.
Patent CA-1127293-A (CA)
Inventor: GABBITAS COLIN
IPC: H01Q13/02
Filed: 1978-10-11
Granted: 1982-07-06
Abstract: A B S T R A C T     A microwave transmitter/receiver unit consisting of a hollow waveguide member closed at one end and open at the other is divided longitudinally by an internal dividing plate into two waveguides, one for transmitting microwave radiation to the open end and the other for receiving such radiation from the open end.   A Gunn diode is mounted in a cavity in the transmitting wave-guide and at least one detector diode is mounted in the receiving waveguide.   The unit is of an inherently compact nature and has particular application to doppler radars, two way communication links and distance measuring radars.
Patent CA-1109583-A (CA)
Inventor: LIEBIG LOTHAR
IPC: C08L25/00
Filed: 1978-10-24
Granted: 1981-09-22
Abstract: THERMOPLASTIC MOULDING COMPOSITIONS              Abstract of the Disclosure A thermoplastic moulding composition comprising a polymer mixture of (A) 25 to 95 % by weight of a graft polymer of 70 to 30 % by weight of a mixture of styrene (95 to 50 % by weight) and acrylonitrile (5 to 50 % by weight) on 30 to 70:% by weight of polybutadiene or a butadiene-styrene copolymer, and (B) 5 to 75 % by weight of a  terpolymer containing 10 to 30 parts by weight of acrylonitrile, 7.5 to 15 parts by weight of maleic acid anhydride, and 82.5 to 55 parts by weight of styrene in copolymerised form.
Patent CA-1123051-A (CA)
Inventor: VAN DER GRAAF GERHARDUS C
IPC: H01R13/523
Filed: 1979-02-26
Granted: 1982-05-04
Abstract: A B S T R A C T      The telemetering system of a drill pipe string comprises an insulated electrical conduit section with amplifier in each pipe section, said conduit section being provided at each end thereof with an electrode adapted to be exposed to the mud in the hole, and to face an electrode carried by an adjoining pipe section.
Patent CA-1098396-A (CA)
Inventor: WICK GERALD H
IPC: F02D9/02
Filed: 1979-03-21
Granted: 1981-03-31
Abstract: ABSTRACT OF THE DISCLOSURE           Disclosed herein is a lawn mower including a blade housing, wheels for supporting the blade housing for movement along the ground, a rotary blade supported in the blade housing, and an internal combustion engine supported by the blade housing and rotatably driving the blade.  The internal combustion engine includes a car-buretor, a movable throttle control for controlling fluid flow through the carburetor, the throttle control being movable from an open position to a flow restricting position, a movable air vane connected to the throttle control for moving the throttle control, and a fan for forcing air against the air vane and for urging the throttle control to the flow restricting position.  The engine further includes a spring connected to the throttle control for urging the throttle control to the open position, and a control member connected to the spring, the control member being movable between a first spring force level position and a second spring force level position for varying the force of the spring on the throttle control.
Patent CA-1102832-A (CA)
Inventor: MALONE JAMES F
Filed: 1979-03-26
Granted: 1981-06-09
Abstract: Abstract of the Disclosure A shock absorbing mobile adapter is provided with four members in spaced apart relationship and six shock absorbing arms connecting each member to the other three members and forming an irregular tetrahedron.
Patent CA-1115079-A (CA)
Inventor: BELL ALLYN R
IPC: A01N43/707
Filed: 1979-04-11
Granted: 1981-12-29
Abstract: ABSTRACT OF THE DISCLOSURE           A herbicidal combination comprising (1) a 2-sulfonyl pyridine N-oxide of the formula (I)                  and (2) a 4-amino-6-tertiary butyl-3-(methyl thio) 1,2,4-tri-azin-5 (4H) one having the structural formula (II)                     The combination is effective against grasses and broadleaf weeds such as jimsonweed and morningglory.
Patent CA-1115576-A (CA)
Title: Photographic processing roller having a  surface roughened by electric discharge  machining
Inventor: FRIEDMAN HARVEY S
IPC: G03D9/00
Filed: 1979-05-01
Granted: 1982-01-05
Abstract: ABSTRACT OF THE DISCLOSURE                    An improved cylindrical processing roller is provided for use in a motor driven photographic processing apparatus of the type which spreads a fluid processing composition in a thin, substantially uniform layer between selected layers of integral type self-processable film units while advancing a film unit to the exterior of a camera after photoexposure.  The improvement in the roller resides in a novel circumferential roller surface roughened by electrical discharge machining techniques to provide the roller with a high-friction characteristic for transporting the film units while being insufficiently rough to leave any visually perceptible marks on a film unit.
Patent CA-1134465-A (CA)
Inventor: THOMPSON WILLIAM L
IPC: G01R15/00
Filed: 1979-05-15
Granted: 1982-10-26
Abstract: ABSTRACT OF THE DISCLOSURE        A voltage linearization circuit for use with a resistance thermometer device or a thermocouple to produce a nearly linear output signal from a non-linear input signal.  The circuit produces a voltage proportional to the square of the input voltage through the use of operational amplifiers and field-effect transistors connected in voltage dividing arrangements, and combines this second order voltage, or a reduced magnitude thereof, with the original input voltage to produce a nearly linear output signal.
Patent CA-1131782-A (CA)
Inventor: SICRE JEAN-LUC
IPC: B64D43/00
Filed: 1979-05-16
Granted: 1982-09-14
Abstract: ABSTRACT OF THE DISCLOSURE The invention provides a variometer comprising:  a dial having a scale representing a vertical speed, a needle indicating the instantaneous vertical speed h*° on said scale, an index representing the potential vertical speed h°T and, optionally, an indication, by digital display, of the slope of the aircraft, wherein the instantaneous vertical speed h*° is obtained by means of a circuit that solves the equation:                          where:           jx1  is the acceleration component on the vertical axis of the aerodyne; g    is the acceleration due to gravity; .theta.    is the angle of roll of the aircraft; s    is the Laplace operator; T1 and T2 are time constants; h°A  is a vertical speed signal that may originate from an anemometer system.
Patent CA-1076441-A (CA)
Inventor: SYME DUNCAN C
IPC: F24B1/02
Filed: 1979-06-28
Granted: 1980-04-29
Abstract: A wood-burning heating apparatus, used as a parlor stove and providing a significant heat output, is disclosed.  The stove has primary and secondary combustion chambers and a baffle system for directing flue gases along a circuitous path from the secondary combustion chamber to an exit aperture whereby a significant proportion of the heat of said gases is given up to the apparatus.  A vertically oriented downwardly directed baffle separates the combustion chambers.  First and second air paths supply air to the primary and secondary combustion chambers respectively.  The air provided by the supply conduits to the respective combustion chambers is preheated and the air provided through the second path promotes secondary combustion of the flue gases to thereby increase the overall efficiency of the stove.
Patent CA-1134427-A (CA)
Inventor: FUJII MOTOHARU
IPC: B41L21/00
Filed: 1979-07-04
Granted: 1982-10-26
Abstract: TITLE OF THE INVENTION      Image Recording Method and Apparatus Therefor ABSTRACT OF THE DISCLOSURE       A recording medium is directed onto a cyclically moving support cylinder and information is recorded on the recording medium as it is sucked onto the support cylinder, whereafter upon termination of the recording, the suction force is controlled to permit the recording medium to be discharged out of the circulatory moving path of the support cylinder.
Patent CA-1166492-A (CA)
Inventor: LAYDEN LAWRENCE M
IPC: B23K9/127
Filed: 1979-07-10
Granted: 1984-05-01
Abstract: ABSTRACT OF THE DISCLOSURE         An improved circular scan line tracing device for use in connection with flame or plasma cutting machines, as well as other machine tools, is disclosed which features provision for adjustment of the lead of the tracing device while the machine is operating.
Patent CA-1121771-A (CA)
Title: Tablet dispensers
Inventor: BOULTER CLIVE
IPC: B65G59/06
Filed: 1979-07-12
Granted: 1982-04-13
Abstract: ABSTRACT       This invention relates to a container for generally cylindrical tablets which can be used to repeatedly dispense the tablets in pre-determined quantities.  The dispenser comprises an outer case and a slidably mounted inner part which together define a container, a dispensing gate, and a downward sloping channel connecting one or two ramps situated at the base of the container to the gate,  The width of the channel is such as to allow a single column of tablets supported on their peripheries. The inner part is depressable from the exterior to cause relative movement between the gate and the channel from one position where the gate is in register with the channel to a second position where the gate is in register with a dispenser outlet.  The relatively simple design of the dispenser enables it to be injection-moulded from plastic material.
Patent CA-1111297-A (CA)
Inventor: DAVIS STEVEN S
IPC: D06B5/04
Filed: 1979-08-17
Granted: 1981-10-27
Abstract: TWIN BELT VACUUM WASHER                            ABSTRACT      A machine and process for washing paper stock pulp and other vacuum-filterable materials includes a wash drum (10) mounted in a tank (30).  Two endless filter belts (50 and 52) are trained to pass around the wash drum (10) and through wash liquid contained in the tank. A mat of pulp is formed between the two endless filter belts (50 and 52) and carried on the wash drum (10) and through the tank (30) for washing therein.  Wash liquor is pulled by vacuum through the pulp mat as it travels under the drum (10) thereby washing the pulp mat. After the pulp has been washed it is removed from between the two belts (50 and 52).
Patent CA-1136089-A (CA)
Inventor: LINDSTROM OLLE B
IPC: C25B9/00
Filed: 1979-08-27
Granted: 1982-11-23
Abstract: ABSTRACT OF THE DISCLOSURE      An electrolytic cell has a housing, an acolyte and an anode within the housing and a cathode spaced from the anode with a portion of the cathode being adjacent to the anolyte.  The cathode includes a chamber, an inlet and outlet to supply and remove air from the chamber, an outlet to discharge an alkali hydroxide solution from the chamber, and a multi-layer wall defining the boundary between the anolyte and the interior of the chamber including a separator material adjacent to the anolyte, a perforated electrically conductive supporting material adjacent to the interior of the chamber, and an electrocatalytically active material between the separator and the support.
Patent CA-1133647-A (CA)
Inventor: KOEBLE EARL A
IPC: C09J133/08
Filed: 1979-10-01
Granted: 1982-10-12
Abstract: Abstract of the Disclosure The adhesion of acrylic pressure sensitive adhes-ives to plastic substrates is improved by the presence in the adhesive of an effective amount for such adhes-ion improvement, e.g., from about 0.3% to about 4.0%, by weight of the adhesive when in liquid form, of a monoalkyl acid phosphate.
Patent CA-1115039-A (CA)
Inventor: DIXON RICHARD B
IPC: B26B21/22
Filed: 1979-10-05
Granted: 1981-12-29
Abstract: ABSTRACT      The invention provides a razor assembly comprising a shaving unit and a handle.  The shaving unit has platform means, blade means, pivotal mounting means for pivotally connecting the shaving unit to the handle, and means for receiving a biasing force from the handle.  The handle includes two flexible arms which at one end have pivotal mounting means complementary to the shaving unit's pivotal mounting means, the flexible arms being secured to the handle in a region spaced from the handle's pivotal mounting means.          A movable button engages the flexible arms and is movable for flexing the arms to disengage the handle's pivotal mounting means from the shaving unit's pivotal mounting means and for reverse movement which frees the flexible arms for engagement of the handle's pivotal mounting means with the shaving unit's pivotal mounting means.  The handle also includes means for exerting a biasing force on the shaving unit's means for receiving a biasing force.
Patent CA-1138476-A (CA)
Inventor: ZAHIR SHEIK A
IPC: C08F20/52
Filed: 1979-12-27
Granted: 1982-12-28
Abstract: Abstract Curable mixtures of a)  maleimides of the general formula I                                                  (I) wherein R is an n-valent aliphatic or aromatic radical, nd  n  is the number 1, 2 or 3; and b)  mono- or polyvalent phenols which contain in the molecule at least one 1-propenyl group in the ortho- or para-position with respect to the hydroxyl group, or isomeric mixtures of mono- or polyvalent phenols which are propenyl-substituted in the ortho- or para-position and mono- or polyvalent phenols which are allyl-substituted in the ortho- or para-position, the proportion of propenyl groups in the isomeric mixture havlng to be at least 5 equivalent-%, relative to the sum of the equivalents of propenyl and allyl groups The novel mixtures cure at elevated temperatures relatively rapidly, and produce moulded materials having valuable mechanical properties.
Patent CA-1147163-A (CA)
Inventor: SPRINGER JERRY L
IPC: G01N27/12
Filed: 1980-01-04
Granted: 1983-05-31
Abstract: ABSTRACT OF THE INVENTION     An improved oxygen sensor of the type adapted for installation in the exhaust conduit of an internal combustion engine.  The improved sensor uses a metal oxide element to sense the partial pressure of oxygen in the exhaust gases to which the sensor is exposed.  The sensor has a steel body and a ceramic member which extends into the exhaust gases to permit the exhaust gases to produce variations in an electrical characteristic of one of the sensor components. The improved sensor has a perforated protection tube that has a radially extending flange.  The flange is located between the steel body and the ceramic member, which forms a seal preventing exhaust gases from inside the engine's exhaust conduit from leaking beyond the sensor to the atmosphere.
Patent CA-1131289-A (CA)
Inventor: CREAN PETER A
IPC: B41J2/125
Filed: 1980-01-11
Granted: 1982-09-07
Abstract: ABSTRACT OF THE DISCLOSURE Optical fibers are used to sense fluid ink drops along the x, y and z axis of an orthogonal coordi-nate system.  A drop sensing zone is defined in the narrow space between the faces of a single input fiber and two output fibers.  An LED infrared light source is coupled to a remote end of the input fiber.  Infrared sensitive photodiodes are coupled to the remote ends of each output fiber.  The photodiodes are in turn coupled to a differen-tial amplifier whose output represents a displacement error for the x and y axis and represents a time reference for the z axis for the case where the drop flight path is along the z axis.  A plurality of sensors are disclosed in an ink recording system having a plurality of nozzles and in an ink recording system having an ink generator traversing the length of a high speed rotating drum.
Patent CA-1159657-A (CA)
Inventor: BACKLUND ANDERS D
IPC: F03G7/04
Filed: 1980-01-17
Granted: 1984-01-03
Abstract: ABSTRACT OF THE DISCLOSURE          A device for converting low temperature heat energy into mechanical or electrical energy is provided herein.  At least one chamber containing a working fluid performs work in response to temperature variations.  One or more expansible and compressible containers are arranged in the chamber.  Each container contains a working fluid, e.g., a refrigerant, capable of shifting from liquid phase to gas phase, and vice versa, thereby producing or contributing work.  One or more ground accumulators are arranged to store and deliver heat by melting and freezing ice, one of the accumulators  including a freezing point depressing agent therein.  The refrigerant is alternatingly heat exchanged with the two sources of low temperature heat energy, namely, the ground accumulators, of different temperatures, thereby causing alternating expansion and con-traction of the containers.  The invention provides a simple, efficient and economical device for producing mechanical and electrical energy from low temperature heat energy.  Preliminary studies indicate that such energy would be considerably cheaper than, e.g., oil and nuclear power based energy production.
Patent CA-1125737-A (CA)
Inventor: FARR GARTH M
IPC: E21B19/16
Filed: 1980-01-24
Granted: 1982-06-15
Abstract: ABSTRACT OF THE DISCLOSURE An open-mouth power tong of the type used to make up and break out threaded connections between tubular members is provided herein.  It includes a frame, a power driven rotary gear, a pair of pivotally mounted jaws, a cam follower and pipe gripping elements an improved mechanism de-fined by cam surfaces is provided for properly aligning the pipe when it is gripped by the tong so that the pipe may be rotated evenly about its axis.
Patent CA-1139002-A (CA)
Inventor: STRUGER ODO J
IPC: G06F9/48
Filed: 1980-02-26
Granted: 1983-01-04
Abstract: Abstract of the Disclosure A programmable controller includes a processor formed around a pair of four-bit bipolar microprocessors. A con-trol program formed by selected macroinstructions is stored in a random access memory and it is executed by sequentially mapping each macroinstruction operation codes into a corres-ponding microroutine which is stored in a read-only memory.          Some macroinstructions include operand addresses of a line in an I/O image and data table portion of the random access memory and one macroinstruction (ADX) expands this operand address to enable the I/O image and data table to be expanded in size.  A timer macroinstruction is executed in part by reading the state of a counter which is driven by a real time clock, and arithmetic functions are performed more effectively with the use of a decimal adjust accumulator.
Patent CA-1134207-A (CA)
Title: Wheel chair restraint
Inventor: KEHL NORMAN J
IPC: A61G3/08
Filed: 1980-03-07
Granted: 1982-10-26
Abstract: ABSTRACT     A wheelchair wheel is received and restrained in a device mounted on the support for a folding seat in a mass transit vehicle.  The wheel is held in a restrained position by a pair of pivotal jaws normally urged to an open position but actuated to a closed position in response to the entry of a wheelchair wheel into the space between the open jaws.  The jaws are opened to free the wheel by manipulation of a manually operated handle.
Patent CA-1122721-A (CA)
Inventor: SAARI MICHAEL J
IPC: H01L29/8605
Filed: 1980-03-18
Granted: 1982-04-27
Abstract: LINEAR SEMICONDUCTOR RESISTOR             ABSTRACT OF THE DISCLOSURE           A diffused semiconductor resistance structure having a resistance value that is practically indepen-dent of applied voltage.   The novel structure of the invention, as it relates to the illustrative embodi-ment, includes an isolation layer diffused into an underlying substrate, a resistance layer diffused into the isolation layer, and a conductive element connect-ing the isolation layer to an electrical contact near the mid-point of the resistance layer.  The junction between the resistance layer and the isolation layer is thereby zero-biased at its midpoint, is forward-biased on one side of the midpoint, and is reverse-biased on the other side of the midpoint.  Consequently, the average thickness of a depletion region formed at the junction,  and  the average effective depth of  the resistance layer, are maintained constant and practi-cally independent of applied voltage, to provide a resistance value  that  is  also  practically constant.
Patent CA-1137238-A (CA)
Inventor: HAAK GARY R
IPC: G09G1/04
Filed: 1980-03-27
Granted: 1982-12-07
Abstract: ABSTRACT           A cathode ray tube deflection circuit is described which selects between two display formats in response to a format control signal.  A horizontal deflection portion includes the primary winding of a flyback transformer resonant with a horizontal deflection yoke. Switches are connected across a portion of the primary winding and across portions of the yoke.  A logic unit, in response to the control signal, actuates each of the switches to change the resonant frequency of the horizontal  deflection circuit.  The logic unit correspondingly changes the frequency of the horizontal drive signal and the amplitude of the vertical sweep.     Haak 5