baber/WOPTO huggingface dataset:
Patent CA-1110080-A (CA)
Inventor: BELL GORDON D
IPC: A47J45/08
Filed: 1979-03-23
Granted: 1981-10-06
Abstract: ABSTRACT OF THE DISCLOSURE      A hand grip adapted to be slipped over the metal handles of cooking utensils such as pots and skillets, having particular application to commercial grade utensils wherein the handles are metal and customarily not provided with a thermally insulating gripping portion.  The hand grip is elongated and made of a re-silient silicon rubber material having low thermal conductivity so as to remain cool to the touch even though the metal handle becomes quite hot.  Extending nearly completely through the grip is a flat, unobstructed opening adapted to receive the metal pan-handle.  If desired, there may be provided a plurality of axial ribs within the opening, which define axial passageways for the flow of air between the metal handle and grip thereby enhancing the insulating qualities of the grip in some circumstances.  The grip has suitable durometer and frictional characteristics to remain in place on the metal handle during use.
Patent CA-1144673-A (CA)
Inventor: ZIMA HERBERT
IPC: B05D7/14
Filed: 1979-04-24
Granted: 1983-04-12
Abstract: ABSTRACT OF THE DISCLOSURE Coating compositions which can be used for depositing a coating on a metal substrate by a chemical deposition process based on aqueous emul-sions of adducts of alpha,beta-ethylenically unsaturated carboxylic acids to alkane diene polymers with an acid content corresponding to 12.5 to 25% by weight of maleic anhydride calculated on the adduct.  The coating composi-tions on deposition provide films which have excellent recoatability, excel-lent corrosion resistance, and permit the elimination or a reduction in the amount of conventionally used additives in a chemical deposition bath. The coating compositions can be employed in other conventional coating processes.
Patent CA-1120182-A (CA)
Inventor: BODMER JEROME R
IPC: C09D161/04
Filed: 1979-05-07
Granted: 1982-03-16
Abstract: ABSTRACT OF THE DISCLOSURE        A method of making zinc-modified phenol-aldehyde novolak resins for use as a color-developing agent in pressure-sensitive record sheet mate-rial involving the addition of certain dry particulate zinc compounds and an ammonium carboxylate to the melted resin.  Specifically, a phenol-formalde-hyde resin is reacted with zinc oxide or zinc carbonate and ammonium form-ate.
Patent CA-1145349-A (CA)
Inventor: VIDRA ILDIKO NEE SANDOR
IPC: A61K31/21
Filed: 1979-05-10
Granted: 1983-04-26
Abstract: ABSTRACT OF THE DISCLOSURE The invention is novel compounds of the general formula I     <IMG >               (I) wherein R1 and R5 are the same and stand for halogen, tosyloxy or mexyloxy, in which case R2 and R4 stand for hydroxy or R1 and R2 as well as R4 and R5 together form an an oxygen bridge, R3 is independently of the definition of Rl, R2, R4 and R5 stands for hydrogen or or  aralkanoyl or aroyl.    The novel compounds display useful cytostatic activity.
Patent CA-1113679-A (CA)
Inventor: DUNKS GARY B
IPC: C01B35/18
Filed: 1979-07-10
Granted: 1981-12-08
Abstract: ABSTRACT OF THE INVENTION        The tetradecahydroundecaborate(-1) anion is synthesized from a metal borohydride by heating a suspension of the borohydride ion in a solvent, such as diglyme, with agitation at a temperature of from 85°C. to about 135°C. and adding an alkyl halide.  The B11B14-anion obtained is useful in the synthesis of decaborane, an intermediate in formation a carborane-based polymers.
Patent CA-1112555-A (CA)
Inventor: HOOPER HARRY
IPC: B23K37/02
Filed: 1979-08-16
Granted: 1981-11-17
Abstract: CUTTING OF CONTOUR BEVELS                     Abstract The torch of a machine for progressive contour bevel cutting of flat plates is mounted for controlled positioning and movement on an arcuate sector, the radius of which has a center lying in the horizontal plane of the plate.  The torch is mounted for movement between adjustable stops which delineate two torch angles for cutting.  A device is provided for sub-stantially instantaneously moving the torch along the sector from adjacent one stop to the other stop.  In the embodiment disclosed herein, the said device comprises a fluid-operated piston connected to the torch.
Patent CA-1095276-A (CA)
Inventor: LANDRETH GEORGE H
IPC: E02D29/16
Filed: 1979-08-27
Granted: 1981-02-10
Abstract: ABSTRACT OF THE DISCLOSURE       A process is disclosed for forming a perimeter type building foundation having a footing and a wall on top of the footing and being formed from a hardenable plastic material.  The process uses a combination keyway and grooving tool to form parallel, elongate wall forming supporting grooves in the foundation footing during the plastic state thereof.
Patent CA-1128105-A (CA)
Inventor: BRILL HENRY L
IPC: H02K33/06
Filed: 1979-09-07
Granted: 1982-07-20
Abstract: Abstract:     A galvanometer-type motor for driving an optical element to deflect or otherwise modulate a radiant energy beam, the motor having a favorable mass-to-torque ratio that renders it capable of oscillating at a high-frequency rate and of performing other movements in accordance with an input current.  The motor includes a permanent magnet rotor and a soft magnetic stator having a pair of split pole pieces extending from a pair of arms that are joined by a bridge forming the core of a field coil.  The split pole pieces are disposed on opposite sides of the rotor whose axis of rotation is centered with respect thereto, the rotor being supported for rotation by means including a torsion spring acting to return the rotor to its neutral rest position.  In the neutral position, the split poles of each piece straddle the end poles of the rotor on the related side thereof.  Current supplied to the field coil polarizes the split pole pieces of the stator, producing magnetic forces creating a torque causing the rotor to turn in a direction depending on the current direction.
Patent CA-1111666-A (CA)
Inventor: VAN MENSVOORT ADRIANUS J
IPC: F28D15/06
Filed: 1979-09-27
Granted: 1981-11-03
Abstract: ABSTRACT:          "Refrigerator".     The invention relates to a refrigerating device with a primary and a secondary refrigerating system, which are in heat exchanging contact with each other. The secondary refrigerating system is connected to a reservoir containing a control gas getter which can be heated for varying the amount of free control gas in the secondary refrigerating system, so as to control the temperature of the secondary refrigerating system. It is proposed to close the reservoir with a breakable seal, so that a getter container in the form of a cartridge is obtained. After the cartridge has been mounted on the secondary refrigerat-ing system the breakable seal is ruptured by raising the pressure.
Patent CA-1154722-A (CA)
Inventor: IGARASHI MICHIAKI
IPC: E02F3/43
Filed: 1979-10-03
Granted: 1983-10-04
Abstract: ABSTRACT OF THE DISCLOSURE     The control device for an earthwork machine according to the invention is designed for reducing the manufacturing cost of the earthwork machine by eliminating some of the calculating means and the control means.  According to the control device, one of the cylinders necessary for carrying out straight excavation is directly manually controlled without using calculating means, and the operations of the cylinders are respectively detected by detecting means.  The other two cylinders are also controlled by the arithmetic unit provided in the control device for performing calculation necessary to move the sharp edge of the bucket along a straight line of predetermined inclination in accordance with detected pivoted angles of the boom, arm and bucket.
Patent CA-1109372-A (CA)
Inventor: SHIH KWANG K
IPC: G01N21/88
Filed: 1979-10-31
Granted: 1981-09-22
Abstract: PYROCATECHOL-AMINE-WATER SOLUTION FOR THE DETERMINATION OF DEFECTS                   ABSTRACT            The invention is directed to a novel method for detecting surface damage to polished silicon wafers.  For very fine defects and scratches an oxidation step is used. The oxide is removed and the wafer is treated in an etch solution containing pyrocatechol, ethylene diamine and water.  The defects are detectable by the naked eye.
Patent CA-1134364-A (CA)
Inventor: BOLTZE KARL-HEINZ
IPC: C07D495/14
Filed: 1979-12-12
Granted: 1982-10-26
Abstract: New 7,8,9,10-tetrahydrothieno[3,2-e]pyrido[4,3-b]indole ccmpounds and their medicinal use Abstract of the Disclosure The invention relates to 7,8,9,10-tetrahydrothieno[3,2-e]pyrido[4,3-b] indole compounds and methods for their preparation.  Also included in the inven-tion are pharmaceutical compositions containing said compounds and the use of said compounds and compositions for influencing the central nervous system.
Patent CA-1153773-A (CA)
Inventor: JUNG JOHN A
IPC: C07C67/38
Filed: 1980-04-02
Granted: 1983-09-13
Abstract: Abstract of the Disclosure Propylene and ethylene may be carbonylated to form carboxylic acid esters or carboxylic acids in the presence of a catalyst complex containing 1 mole of BF3 and 1 mole of a second complexing compo-nent. The carboxylic acid product or acid portion of the ester product has one more carbon atom than the olefin reacted. High yields of these products are obtained. In the case of the formation of the ester, the second complexing component is an alcohol, while in the case of the preparation of carboxylic acid, the second com-plexing component is water. Methyl isobutyrate and methyl propio-nate formed by the carbonylation of propylene and ethylene, respec-tively, in the presence of a BF3 CH3OH catalyst may be dehydro-genated to prepare methyl methacrylate and methyl acrylate, respec-tively. Similarly, the isobutyric acid and propionic acid formed from propylene and ethylene, respectively, in the presence of BF3 H2O catalyst may be dehydrogenated to prepare methacrylic acid and acrylic acid, respectively.     In the case of the BF3 alcohol catalyst is used, it is readily recovered from the reaction product and recycled. After carbonyla-tion is carried out and approximately one-half of the alcohol is consumed, a reaction mass containing the BF3, the alcohol, and the carboxylic acid ester in a 2:1:1 molar ratio is formed. In the first recovery step, the one mole of the free BF3 is vaporized from the reaction mass. The remaining admixture is a 1:1:1 mixture of the three aforesaid compounds. To this mixture additional alcohol is added and the mixture is subjected to distillation. A carboxylic acid ester/alcohol azeotrope and residual alcohol are removed by the distillation, to leave a residue containing a 1:2 BF3/alcohol complex. This complex is combined with an additional mole of BF3 to form the 1:1 catalyst complex used in the carbonylation. The additional mole of BF3 is preferably that initially separated from the reaction mass; however, it may be obtained from an external source. The carbox-ylic acid ester/ alcohol mixture may be separated by azeotropic distillation using an azeotroping agent, such as octane, to recover the alcohol-octane as overhead product and the carboxylic acid ester as bottoms product.
Patent CA-1147974-A (CA)
Inventor: HUGHES ERIC
IPC: F23D11/12
Filed: 1980-05-30
Granted: 1983-06-14
Abstract: ABSTRACT       A gas turbine engine fuel injector which burns liquid and gaseous fuel and also has a water injection system to reduce the formation of nitrogen oxides (NO ).  The water can be discharged into a combustionXchamber through an annular nozzle which is located between an inner annular fuel and air discharge nozzle and an outer gas discharge nozzle which comprises a circumferential row of discrete discharge nozzles. This allows the water to be injected at the most suitable  point whichever fuel is being burnt.  The water can also be injected into the inner annular fuel and air discharge nozzle.
Patent CA-1139366-A (CA)
Inventor: BEATTIE JAY E
IPC: H02J11/00
Filed: 1980-05-30
Granted: 1983-01-11
Abstract: DIRECT CURRENT POWER SUPPLY                             ABSTRACT         A direct current power supply for receiving power input from a high voltage transmission line and providing direct current power to an electrical load operated at or near the potential of the transmission line and remote from electrical ground is disclosed.          The power supply includes a metallic structure supported in proximity to the transmission line remote from elec-trical ground, capacitor means electrically connected between the transmission line and the metallic struc-ture, and power conditioning means connected to the capacitor means for receiving alternating current vol-tage and converting such voltage into a direct current voltage for the supply of power to the electrical load.
Patent CA-1132804-A (CA)
Inventor: VIRGILIO DEL P
IPC: A01D44/00
Filed: 1980-06-13
Granted: 1982-10-05
Abstract: FLOATING APPARATUS FOR WEEDING WATERWAYS          ABSTRACT OF THE DISCLOSURE       A floating apparatus having a structure mounted on pontoons and with at least one paddle wheel, for weeding.  The apparatus is provided with an hydraulically actuated, articulated boom, rotatably mounted on the structure, and having at least a rake mounted on the end thereof, for weeding a waterway, such as a lake, canal, or the like.   i
Patent CA-1126518-A (CA)
Inventor: NORRIS JAMES R
IPC: F02C7/228
Filed: 1980-06-18
Granted: 1982-06-29
Abstract: FUEL DISTRIBUTION VALVE FOR A GAS TURBINE ENGINE       ABSTRACT OF THE DISCLOSURE        A valve having a translatable annular slot communicates with discretely shaped and judiciously located elongated, variable width slots for metering fuel to individual fuel nozzles in a burner of a jet engine without changing the fuel scheduling characteristics of the fuel control. The valve can have sequential lighting capabilities in the event that the burner is designed with this feature.
Patent CA-1142378-A (CA)
Inventor: MASUDA SIGEFUMI
IPC: G02B6/32
Filed: 1980-07-10
Granted: 1983-03-08
Abstract: ABSTRACT         A lens-applied optical fiber connector is used for optical communication.  The lens-applied optical fiber connector is structured so that the optical fiber connectors are inserted into a lens-applied sleeve and this sleeve is inserted into the adapter.  In the present invention, the lens is held by a lens holder thicker than the lens and the lens holder is protected by a guard means thicker than the lens holder at the end surface of the sleeve.  The focal length of the lens is selected to be 0.09 to 0.23 mm and the lens is provided at the area on the optical axis of the optical fiber which is separated from the end surface of the fiber as far as the focal length.
Patent CA-1141548-A (CA)
Inventor: BRAEMER FRANK C
IPC: C10K3/00
Filed: 1980-07-16
Granted: 1983-02-22
Abstract: ABSTRACT OF THE DISCLOSURE    Ways and means are provided for increasing the fuel value of off-gas (20) recovered from oxygen blowing steel converters (10, 100).  Carbon is introduced into an off-gas capture hood (22) to react with carbon dioxide therein to form carbon monoxide.  A carbon dioxide curtain (61) is formed which surrounds the inlet end of the gas capture device (22) to prevent air from entering the capture device.  Carbon dioxide is drawn from the carbon dioxide curtain (61) into the capture device (22) to mix with the gases therein.
Patent CA-1131117-A (CA)
Inventor: HAYDON CHARLES R
IPC: B21D1/12
Filed: 1980-07-18
Granted: 1982-09-07
Abstract: ABSTRACT OF THE DISCLOSURE     A dent straightening tool having a manually grasp-able handle affixed to one end of an elongate shaft and a work piece engaging, helically threaded member affixed to the opposite end of the shaft.  The threaded member has a substantially constant radius root with a blunt tip provided at the distal end of the root.  The thread begins from a minimum radius at the blunt tip and then progressively increases in radius along the length of the root to attain a size substantially larger than the radius of the root so that the depth of the thread is substantially deeper than the radius of the root.  Also, the flat length of the thread, as measured along the root, is at least one-half of the pitch length of the thread.
Patent CA-1132751-A (CA)
Inventor: QUAYLE STEPHEN R
IPC: A41D1/00
Filed: 1980-08-19
Granted: 1982-10-05
Abstract: ABSTRACT OF THE DISCLOSURE           A vest-type garment is provided including right and left front panels removably securable together by a slide fastener.  The opposite side portions of the vest defining those portions which extend over the shoulders of the wearer included elongated transverse strips of a first fabric fastening material such as "VELCRO" material secured thereto and second strips of a second fabric fastening material such as "VELCRO" material have one pair of ends thereof anchored relative to a corresponding pair of ends of the first mentioned strips and the second strips may be positioned in overlying relation to and releasably engaged with the first strips, over equipment bag straps disposed between the superposed strips.  The front panels of the garment have outstanding upwardly opening lower waist and upper chest pockets secured thereto and the walls of the lower pockets are padded and each lower pocket includes a central upstanding padded partition therein extending between the inner and outer walls of the pocket, secured one of the inner and outer walls and releasably secured to the other of the corresponding inner and outer walls.
Patent CA-1162675-A (CA)
Inventor: PHILLIPS THOMAS R
IPC: C08L29/00
Filed: 1980-08-28
Granted: 1984-02-21
Abstract: ABSTRACT OF THE DISCLOSURE         Polyvinyl butyral plasticized with tetraethyleneglycol di-n-heptanoate.
Patent CA-1157209-A (CA)
Inventor: LINDAHL JONAS A I
IPC: D21C9/08
Filed: 1980-09-12
Granted: 1983-11-22
Abstract: PROCESS AND APPARATUS FOR THE DERESINATION           OF CELLULOSE PULP          ABSTRACT OF THE DISCLOSURE        A process and apparatus are provided for the deresination of cellulose pulp, by adjusting the pulp concentration to within the range from about 15 to about 35%; adding sufficient alkali to the pulp to bring the amount of alkali, calculated as NaON, within the range from about 2 to about 17 g/kg of water accompanying the pulp; subjecting the pulp to a mild, mechanical working in the bite of twin interdigitated rotating screws at an energy input of from 8 to 100 kWh per ton of pulp; removing and reacting the pulp with the added alkali for from about 0.1 to about 5 hours, and then washing out dissolved resin from the pulp.
Patent CA-1165668-A (CA)
Inventor: ROZEBOOM ANTONIE G R R NO DOON
IPC: B02C13/28
Filed: 1980-09-24
Granted: 1984-04-17
Abstract: ABSTRACT OF THE DISCLOSURE        A self-loading feed mixer and transport wagon is provided which is capable of grinding and loading a stack of livestock feed material into the wagon, thoroughly mixing the feed material together, and transporting the feed material to a desired location where it is dispensed from the wagon.  The wagon includes a feed loading mechanism having a set of  pulverizing  chains for grinding the feed material and a blower unit for loading the material into a feed compartment.  A rotatable conveyor mechanism located in the feed compartment includes a set of feed engaging paddles oriented diagonally and resiliently mounted on the conveyor shaft for advancing the feed material.  One or more mixing augers are provided in the feed compartment for agitating and mixing the feed material in its advance toward a discharge area to produce a uniform feed ration.  A discharge elevator is provided to dispense the mixed feed material from the wagon .
Patent CA-1138670-A (CA)
Inventor: HANSEL WILLIAM B
IPC: G01F25/00
Filed: 1980-09-30
Granted: 1983-01-04
Abstract: ABSTRACT OF THE DISCLOSURE   A method of high sensitivity for measuring leakage of liquid from a storage tank which comprises introducing a sensor into the liquid in the tank, the sensor being coupled to means for sensing displacement of mass, measuring the displacement over a known period of time and calculating the leakage rate. The sensor is designed to compensate for evaporative losses and temperature changes.
Patent CA-1159261-A (CA)
Inventor: CHAUDHURI KIRANENDU B
IPC: C22B15/06
Filed: 1980-10-02
Granted: 1983-12-27
Abstract: ABSTRACT OF THE DISCLOSURE         The disclosure describes a method for the pyrometal-lurgical recovery of copper, more particularly from sulphidic ores and/or concentrates, in which ores and/or concentrates and additives are smelted to form a matte and a primary slag, and the matte is converted to blister copper and converter slag.  According to this method, the smelting is carried out at a high oxygen potential, to form a matte and a slag both having relatively high copper contents.  Then the primary slag and the converter slag are removed and the copper con-tained therein is recovered by reduction with reducing agents.          An apparatus is also disclosed which comprises a smelting unit having a device for controlling a supply of solids to be smelt-ed, at least one burner, and a device for controlling a supply of fuel and oxygen to the burner.  The apparatus also includes a settling hearth communicating with the smelting unit having openings for separately removing a lighter liquid phase and a gaseous phase, a converter for blowing copper matte into blister copper, having a device for supplying copper matte from the settling hearth, a device for supplying reaction-media, and openings for separately removing blister copper, converter slag, and waste gases from the converter.  Finally, the apparatus comprises an after-treatment reactor for the slags, adapted for supplying primary and converter slags and reducing media to the reactor and openings for separately re-moving decopperized final slag and copper.  In this way it is possible to modernize and increase the capacity of conventional or obsolete installations for a very low investment.
Patent CA-1118169-A (CA)
Inventor: EARLE REDMOND B WEST TH AVENUE
IPC: A46B9/04
Filed: 1981-01-22
Granted: 1982-02-16
Abstract: TOOTHBRUSH     ABSTRACT            A gripping construction of a toothbrush handle consist-ing of opposed substantially rectangular-block shaped flanges of approximate dimensions as of the dimensions of the handle in cross section and positioned about one third the distance from the brush head end (or about two and one half inches) and extending vertically and transversly at one hundred and eighty degrees to the top and bottom surfaces of the handle to form a cross-arm therewith whereby principally the side edges of the cross-arm and the front and back surfaces of the flanges allow the forefinger and thumb to press opposingly to effectively grip the brush for better manipulation of it.
Patent CA-1163533-A (CA)
Inventor: CHASTEEN JACK W
IPC: C23G5/00
Filed: 1981-01-22
Granted: 1984-03-13
Abstract: METHOD FOR CLEANING METAL PARTS    AND PARTS CLEANED THEREBY Abstract of the Disclosure A method for relatively low temperature clean-ing of metal parts, particularly stainless steels, superalloys, solid solution superalloys and gamma prime hardened nickel alloy parts, in order to render them brazable or otherwise bondable.  The method makes use of a C-O-H-F atmosphere as the primary cleaning material. The preferred source of the C-O-H-F atmosphere is by thermal decomposition of a fluorocarbon resin and addi-tion of a low moisture containing hydrogen gas.
Patent CA-1142302-A (CA)
Inventor: HELMBRECK ANDREW J
IPC: A61F9/02
Filed: 1981-02-03
Granted: 1983-03-08
Abstract: Abstract of the Disclosure The disclosure teaches a painter's protective device providing a mask adapted to cover the forehead, eyes and nose of the wearer and having suitable eye holes and a visor projecting outwardly from the forehead portion of the mask above the eye holes and means for retaining the mask on the wearer's head.  In a preferred embodiment the eye holes axe covered by a screen.