baber/WOPTO huggingface dataset:
Patent CA-1106824-A (CA)
Inventor: THORVALDSEN SVERRE
IPC: A01K89/08
Filed: 1978-11-10
Granted: 1981-08-11
Abstract: ABSTRACT OF THE DISCLOSURE     A stationary spool reel having a cylindrical spooling portion at the forward end, a handle at the back and a trunicated conical portion interposed therebetween.  The conical portion is of larger diameter than the spooling portion and increases in size in a direction away therefrom. The spooling portion has a forwardly-open cavity, preferably of circular cross section, whose cross-sectional dimensions and configuration are adapted to the external configuration and dimensions of a casting implement, such that the casting implement can be inserted into the cavity and retained therein in an  easily detachable manner.
Patent CA-1128760-A (CA)
Inventor: DAVISTER ARMAND L
IPC: C22B19/30
Filed: 1978-12-29
Granted: 1982-08-03
Abstract: PROCESS FOR TREATMENT OF RESIDUES FROM           FERRIFEROUS ZINC ORES                          ABSTRACT     The present invention relates to a process for treating residues from a primary leaching of ferriferous zinc ores by sulphuric acid, with a view to recover a leadbearing by-product, such process comprising a secondary leaching of said residues, by sulphuric acid, within several countercurrent stages, at a temperature comprised between 85 and 100°C, the solid residues of the successive stages being circulated from the first to the last stage, the residue of this last stage being the said lead bearing by-product, whereas the various solutions sepa-rated from the second to the last stage are each recycled within the leaching operation of the respectively foregoing stage, and the dual zinc and iron sulphates solution, as separated from the first stage, being the principal product of the treatment.      The primary leaching consists essentially of the chemical attack of the zinc oxide of the ore (naturally oxidized ore or roasted sulphur-based ore) by sulphuric acid and yields, as product, the zinc sulphate solution, which after purification, is used for the electrowinning of the zinc contained, whereas the solid residue from this primary leaching, when ferriferous ores are involved, is subject to the above said secondary leaching, in order to recover separately its zinc as sulphate solution, its iron as a precipitate and its lead as final resi-due of lead sulphate.
Patent CA-1123937-A (CA)
Inventor: WALTZ RICHARD W
IPC: H02K15/12
Filed: 1979-02-27
Granted: 1982-05-18
Abstract: HEATING CIRCUIT FOR  AN ELECTRIC MOTOR              Abstract of the Disclosure An SCR is connected across one of three line contacts which couple the power lines to the windings of an a.c. motor.  When the line contacts are opened to shut down the motor, heating current is applied to one of the motor windings through the SCR to raise its temperature above the ambient dew point.  The SCR is fired every cycle of the line current and the firing angle is controlled in response to a command signal to provide the proper amount of heating current in the motor winding.  The command signal is generated by summing a preselected reference signal with a negative feedback signal which is indicative of the amount of motor heating.
Patent CA-1103661-A (CA)
Inventor: DANIELS MICHAEL J
IPC: A23L27/00
Filed: 1979-03-01
Granted: 1981-06-23
Abstract: ABSTRACT                A process for the extraction of thaumatin from the fruit of T.  daniellii, comprises the steps of skinning the fruit, drying the pulp and mechanically separating the arils from the remainder of the fruit, powdering or otherwise comminuting the dried aril and extracting the resultant powder with water in the absence of added salts while maintaining the pH in the range 2.0 to 4.5.  The drying of the skinned fruit is advantageously a freeze-drying process.
Patent CA-1101189-A (CA)
Inventor: KNIPRATH ELMAR
IPC: C01G3/10
Filed: 1979-03-08
Granted: 1981-05-19
Abstract: ABSTRACT OF THE DISCLOSURE :          A process of producing copper sulfate solution in which metallic copper is dissolved in a liquor, which contains Cu2+ ions and S042-  ions and which is treated with oxidizing agents consisting of oxygen-containing gases.  According to the invention, the leaching of the metallic copper and the oxidizing treatment of the resulting liquor are effected in spaced apart stages and at least part of the oxidized liquor is recycled to the leaching stage for the metallic copper.  The process of the invention has the advantage that metallic copper need no longer be directly contacted with oxygen because the overall reaction is divided into two spaced apart stages.  For this reason the pro-cess is particularly valuable when used with starting materials which form bulk materials and/or are strangly contaminated with insoluble substances.
Patent CA-1090135-A (CA)
Inventor: EVANS F DAVID
IPC: B24B21/18
Filed: 1979-03-27
Granted: 1980-11-25
Abstract: VERTICALLY SHIFTABLE BELT CLEANER    Abstract of the Disclosure A belt abrading device including a pair of laterally spaced rollers over which an elongate endless abrasive belt is trained.  One of the rollers is mounted for shifting toward and away from the other.  An exhaust hood is disposed adjacent the movable roller for shifting toward and away from the roller and the belt trained thereover.  The exhaust hood is mounted on a lever arm which is operatively connected to a motor for shifting the hood toward and away from the roller.  A sensor is provided for sensing continuity of the belt.  Under usual operating condi-tions, the motor maintains the exhaust hood a preselected dis-tance from the roller.  Should the belt break and the sensor sense such discontinuity, or when desired by the operator, the motor is operated to shift the hood away from the roller.
Patent CA-1117108-A (CA)
Inventor: JONES ALBERT S
IPC: A61K31/7042
Filed: 1979-04-23
Granted: 1982-01-26
Abstract: ABSTRACT OF THE DISCLOSURE     The novel substance E-5-(2-bromovinyl)-2'-deoxyuridine and its corresponding iodovinyl derivative are gifted with specific antiviral activities towards herpes simplex virus. They may be synthesized by a condensation reaction followed by separation of anomers.
Patent CA-1105405-A (CA)
Inventor: WICK EMIL
IPC: C12C11/00
Filed: 1979-04-25
Granted: 1981-07-21
Abstract: Title:  Fermentation of Liquids ABSTRACT    Method and apparatus for fermenting liquids is disclos-ed.  Liquids are fermented by controlling flow patterns within the liquid so as to retain fermentation culture medium in a fermenting chamber while at the same time removing fer-mented liquid free of fermentation culture medium at a rapid rate.  Control of flow patterns within the fermenting liquid is realized by a method wherein the liquid is applied to à fermenting chamber with a small horizontal cross-sectional area in the influent zone and a large horizontal cross-sectional area in the effluent zone, thus creating turbulent zones which retain the fermentation culture medium and a non-turbulent zone which allows fermented liquid to be removed from the fermentor.
Patent CA-1142788-A (CA)
Inventor: PRADOS RONALD A
IPC: G03C1/485
Filed: 1979-06-01
Granted: 1983-03-15
Abstract: ORGANIC HALOGEN COMPOUNDS USED   IN DIRECT POSITIVE EMULSIONS          ABSTRACT An organic halogen compound is added to a fogged direct positive silver halide photographic emulsion, and the emulsion is digested prior to coating on a support.  Increased sensitometric speed and stability result.  Brominated quinolines and quinoxalines are particularly effective.
Patent CA-1114927-A (CA)
Title: On/off switch arrangements for a touch control  bar graph device
Inventor: PITSTICK MARTIN H
IPC: G09G3/00
Filed: 1979-07-20
Granted: 1981-12-22
Abstract: ON/OFF SWITCH ARRANGEMENTS FOR A TOUCH CONTROL BAR GRAPH DEVICE                        ABSTRACT OF THE DISCLOSURE     A safe and convenient ON/OFF switch arrangement for a touch control bar graph device of the type which includes an array of light transmitting touch-sensitive areas superimposed over a bar graph display. In order to require two operations to enable the touch control bar graph device, the present arrangement has an ON touch-sensitive area positioned adjacent to but spaced from the touch control bar graph device.  A de-energizing touch-sensitive area is positioned in the space between the ON touch-sensitive area and the touch control bar graph device.  Further, a circuit means is responsive to the ON and the de-energizing touch-sensitive areas for enabling operation of the touch control bar graph device in response to the touching of the ON touch-sensitive area, and for disabling touch control bar graph operation in response to the touching of the de-energizing touch-sensitive area.  As a result, if a user attempts to enable operation of the touch control bar graph device by moving a finger directly between the ON touch sensitive area and the touch control bar graph device, the user's finger at least momentarily touches the de-energizing touch-sensitive area to disable the touch control bar graph device.
Patent CA-1121393-A (CA)
Inventor: GORIS HEINRICH
IPC: E21C27/32
Filed: 1979-07-20
Granted: 1982-04-06
Abstract: ABSTRACT OF THE DISCLOSURE         A mining apparatus of hydraulic-mechanical type having a nozzle assembly for providing a narrow cut in the wall of the mining chamber, whereupon a dislodging wedge releases the undercut layer.  The nozzle assembly is housed inside the respective wedge and is arranged to undercut the mineral such that the jet-produced cut in a vertical wall reaches beyond the width of the respective dislodging wedge.          The invention results in reduced power required for dislodge-ment of the mineral.
Patent CA-1143152-A (CA)
Inventor: LEGILLE EDOUARD
IPC: C21B7/20
Filed: 1979-08-07
Granted: 1983-03-22
Abstract: A B S T R A C T     A charging device for shaft furnaces with a distribution spout pivotably mounted at the base of a rotary ferrule, a control rod articulated to the spout, first driving means for rotating the ferrule and the spout and second driving means for pivoting the spout by means of the control rod.          The control rod consists of two telescopic elements of which the upper is articulated to the ferrule, while the second driving means comprises means for shortening and lenghthe-ning said rod.
Patent CA-1102217-A (CA)
Inventor: CHICHESTER WILLARD L
IPC: F15B11/16
Filed: 1979-08-14
Granted: 1981-06-02
Abstract: HYDRAULIC CONTROL SYSTEM      Abstract A hydraulic control circuit especially for use with multi-function hydraulic devices, such as for industrial lift truck attachments, in which a combination of valve means are adapted to operate two or more hydraulic systems, the valve system being designed such that a minimum number of hydraulic conduits are required to connect the main hydraulic system to the hydraulic devices, as from a lift truck to an attachment supporting carriage on a lift truck upright, and no electric lines are required to be connected to switching devices between the hydraulic devices, such as to solenoid operated valves.
Patent CA-1120801-A (CA)
Inventor: PERRY GLENN M
IPC: F22G3/00
Filed: 1979-08-20
Granted: 1982-03-30
Abstract: Abstract of the Disclosure Tie means employable for purposes of accomplishing the tying together of tubes of a superheater platen assembly.  The subject tie means is particularly suited for use in those applications wherein a need exists to effect the tying together of tubes, which bear a tangen-tial relationship to each other.  The subject tie means comprises a multiplicity of cooperating tie members that are suitably affixed such as by being welded thereto. to the pair of tubes that the tie means is intended to tie together.  More specifically, the multiplicity of tie members includes a first pair of tie members that is affixed to a first one of the pair of tubes and a second pair of tie members that is af-fixed to the second one of the pair of tubes.  Each of the multiplicity of tie members is essentially L-shaped in configuration with the first pair of tie members being oriented so as to each have a portion thereof, which projects inwardly, while a second pair of tie members is oriented so that each of the tie members has a portion thereof, which projects outwardly, whereby the inwardly projecting portions of the first pair of tie members are supported in sliding engagement with the outwardly projecting portions of the second pair of tie members thereby to effect the tying together of the aforesaid pair of tubes through the inter-engagement of the respective projecting portions of the first and second pairs of tie members.
Patent CA-1118728-A (CA)
Title: Dispensing device
Inventor: GRUENEWALD FREDERICK P
IPC: B67D7/22
Filed: 1979-10-05
Granted: 1982-02-23
Abstract: ABSTRACT        A reuseable pressurized container and metering device for dis-pensing predetermined amounts of fluid.  The device includes a metering chamber having two apertures with a central stem disposed therein.  Two sealing rings are mounted on the stem, each adjacent an aperture, and are adapted to allow fluid to be forced into a reservoir through the metering device but are arranged to prevent the flow of fluids out of the metering device except when the stem is displaced by pressing a button attached at one end.  One of the rings on the stem seals the metering chamber from an external charging and discharging passage and the other ring simultan-eously seals the metering chamber from the reservoir while the fluids contained within the metering chamber are being discharged, thereby limit-ing the quantity of fluid which can be dispensed.  Following the discharge of all the fluids in the metering chamber, the button is released and one ring seals the metering chamber from the discharge conduit and the other is released to replace the metering chamber into communication with the reservoir.  Additionally the stem can be set so as to provide for a con-tinuous flow of fluids from the reservoir through the metering chamber and out of the discharge passage.  A plurality of telescoping inserts can be disposed within the metering chamber so as to reduce the volume, thereby reducing the quantity of fluid that can enter  and thereby limit further the quantity of fluid which can be dispensed.
Patent CA-1123299-A (CA)
Inventor: DITTMER ELLEN URSPRINGERSTR ST
IPC: A47J37/07
Filed: 1979-11-02
Granted: 1982-05-11
Abstract: ABSTRACT OF THE DISCLOSURE     A portable barbecue grill is provided herein which can be folded together to form a very flat package.  The grill portion can be adjusted in different distances from the fuel tray.  The barbecue grill includes a frame, two U-shaped double legs and two guide rails which can be folded parallel to the frame.  It further comprises a rotisserie bar which is capable of being inserted in the guide rails when in the unfolded position and by which the grill portion can be moved upwardly and downwardly with the aid of two chains.  The barbecue grill thus can be folded into a flat package, can easily be transported, is easy to clean, and admits a con-trolled influence of heat upon the grill stock.
Patent CA-1130037-A (CA)
Inventor: SCHAAF ROBERT L
IPC: C08G18/79
Filed: 1979-11-19
Granted: 1982-08-17
Abstract: A PROCESS FOR THE PREPARATION OF HIGHLY STABLE LIQUID CARBODIIMIDE-CONTAINING       POLYISOCYANATE COMPOSITIONS                   Abstract of the Invention Highly stable liquid 4,4'-diphenylmethane di-isocyanate (MDI) containing MDI-carbodiimide adducts are prepared by (a) heating MDI at a temperature of from 60°C. to 120°C. for a period of from one hour to ten hours in the presence of tris(chloromethyl)phosphine oxide, (b) stopping the carbodiimide formation by adding thereto a quenchant selected from the group consisting of magnesium chloride hydrate, stannous chloride and trichlorosilane, (c) heating the reaction mixture at a temperature between 60°C. and 120°C. for a period of from 0.5 hour to 6.0 hours, and (d) cooling to room temperature.  The resulting compositions are highly stable and may be advantageously employed in the preparation of polyurethane compositions.
Patent CA-1119848-A (CA)
Title: Impact press having a sleeve with a ram slidable  therein
Inventor: LINDELL LENNART J
IPC: B21J7/20
Filed: 1980-02-11
Granted: 1982-03-16
Abstract: ABSTRACT An impact press includes drive means for reciproca-ting a sleeve at one end of which a ram is slidably and rotatably carried, the same being normally held in a re-tracted position by retaining means.  The drive means that reciprocates the sleeve toward and away from impact tooling also regulates in synchronization therewith a releasing means by which the retaining means lets go of the ram to permit it to fly under the influence of a bias until it impacts the tooling.  Reaction from the tooling after the punching has been completed provides a force for receiving the ram in the sleeve.  If desired, the driving means can also be used to regulate the operation of a workpiece feeder, a workpiece brake, and any regulator that the impact tooling may have, all in synchronization with the movements of the sleeve.  If a conventional air feeder is used, owing to limitations of the feeder, the device can be operated at 180 strokes per minute.  Without such feeder smaller workpieces can be made or modified at the rate of 500 strokes per minute.
Patent CA-1139353-A (CA)
Inventor: KENWORTHY E J DOYLE
IPC: H05K1/09
Filed: 1980-03-13
Granted: 1983-01-11
Abstract: PLANAR-FACED ELECTRODE FOR INK JET PRINTER     AND METHOD OF MANUFACTURE ABSTRACT OF THE DISCLOSURE A planar charge plate having individual charge electrodes uniformly spaced along one face thereof is provided by cutting grooves into the edge of a blank nonconductive charge plate support structure.  The surfaces of the structure, including grooves and lands, are metallized and printed circuit leads are formed leading from the grooves.  The grooves are filled with an electrically conductive material such as solder, and then the front face of the structure is lapped to remove excess solder and metal plating from the lands to form the completed planar-faced structure.
Patent CA-1127050-A (CA)
Inventor: CLYNE JOHN C
IPC: B60S3/06
Filed: 1980-03-13
Granted: 1982-07-06
Abstract: "CLEANING DEVICE" ABSTRACT OF THE DISCLOSURE A device for use in cleaning the wheels of golf buggies. The device comprises driven rollers which are arranged to support the vehicle's wheels and to induce rotation of the wheels by peripheral engagement. A brush is located between the rollers for contacting and wiping the wheels of the vehicle when the vehicle is mounted to the rollers, the brush being driven to rotate with a peripheral velocity different from that which is imparted to the vehicle wheels by the driven rollers. Subsidiary driven brushes are mounted to the device for use in cleaning golfing accessories, such as golfclubs, and golfer s shoes.
Patent CA-1133281-A (CA)
Inventor: COUTANT ALAN R
IPC: F16H37/06
Filed: 1980-05-15
Granted: 1982-10-12
Abstract: Abstract A multi-speed planetary differential for a vehicle or the like is disclosed which has first and second interconnected planetary gear sets with first and second output members individually connected to first ones of the elements of the respective planetary gear sets. Second ones of the elements of the planetary gear sets are interconnected, and the remaining third one of the elements of the second planetary gear set is held stationary. Advantageously, planetary means are provided for driving an input member connected to the remaining third one of the elements of the first planetary gear set at either of two speeds.  The planetary means includes a third planetary gear set compactly disposed on a common axis with the first and second planetary gear sets, and the differential continually drives the output members at equal torque levels in each speed.
Patent CA-1145095-A (CA)
Inventor: FEENEY GEORGE W
IPC: C09J153/00
Filed: 1980-06-16
Granted: 1983-04-19
Abstract: Abstract Adhesive composition comprised of an unvulcanized block polymer product and a compatible tackifier resin. Said adhesive composition is required to be prepared by (A) mixing a solution of a block styrene/isoprene polymer product with a solution of a tackifying resin and (B) optionally removing the solvent.
Patent CA-1151154-A (CA)
Inventor: KISFALUDY LAJOS
IPC: A61K38/04
Filed: 1980-06-27
Granted: 1983-08-02
Abstract: ABSTRACT OF THE DISCLOSURE        The invention releates to new peptide derivatives which act on the central nervous system and correspond to the general formula (I), Glp - X - Y - NH - A        (I) wherein X is L-norleucyl, L-leucyl, L-norvalyl, D-leucyl, L-prolyl, L-2-aminobubyryl, L-valyl, L-threonyl, L-isoleucyl, L-2-amino-decanoyl, L-cyclohexylalanyl or L-terb.-butyl-seryl group and Y is L-prolyl group, or X is L-histidyl group and Y is L-homoprolyl or D-pipecolyl goup, furthermore A is hydrogen, a C1-10 alkyl group or a C1-3 alkyl group having a dime bdimethylamino substituent, with the proviso that if X is L-leucyl group, A is other than hydrogen, and pharmaceubically acceptable          complexes thereof.      These compounds are prepared by methods commonly applied in the peptide chemistry.
Patent CA-1138780-A (CA)
Inventor: BLASER DWIGHT A
IPC: F02B3/06
Filed: 1980-08-15
Granted: 1983-01-04
Abstract: C-3166                                      D-3,485 Abstract of the Disclosure A compact exhaust silencer especially for use in diesel locomotives having a single exhaust outlet located in relatively close proximity to the roof of the engine hood.  The silencer includes an offset duct having dual oppositely curved ninety degree bends, leading to a roof outlet opening and providing broadband high frequency sound level reduction, combined with a compact Helmholtz cavity-type resonator.  The resonator consists of a chamber mounted near the first bend in the direction opposite the main duct offset and a connector tube extending from the side of the duct downwardly into the chamber and tuned with the cavity to the sound frequency at which maximum silencing is desired, preferably the predominant firing frequency in the engine noise spectrum at full speed and load.
Patent CA-1138402-A (CA)
Inventor: OLANSEN RONALD A
IPC: F16K1/228
Filed: 1980-09-11
Granted: 1982-12-28
Abstract: ABSTRACT OF THE DISCLOSURE         A valve seal mechanism for cryogenic applications includes an undercut groove in a seating region of the fluid passageway in a valve body.  Disposed within the groove is a shouldered resilient wear ring of polytetrafluoro-ethylene, the outer circumference of the shouldered portion of the wear ring having a V-shaped channel formed therein.  A solid backing ring having an inner circumferential surface of wedge-shaped cross section makes an interference fit with the V-channel of the wear ring, thereby preloading the channel sides against the respective adjacent sides of the groove.  A valve disc has a sealing surface which makes an interference fit with a seating surface forming the inner circumferential surface of the wear ring. Introduction of fluid under pressure and reduction of temperatures from normal ambient to cryogenic both tend to increase sealing effectiveness.
Patent CA-1154241-A (CA)
Inventor: MEIER FRIEDRICH
IPC: B23D79/02
Filed: 1980-10-08
Granted: 1983-09-27
Abstract: DEVICE FOR INTERNALLY DEBURRING TUBES     ABSTRACT OF THE DISCLOSURE     A device for internally deburring tubes and the like welded along a longitudinal seam includes an elongated main support body.  A cutting ring is mounted in the main body adjacent to one of its ends and the ring projects outwardly from one surface on the body.  Guide rollers are mounted in the main support body with two of the guide rollers spaced apart in the elongated direction of the body and projecting outwardly from the same surface as the cutting ring.  Three additional rollers are located between the other two guide rollers and project outwardly from the surface of the main body opposite the one surface.