baber/WOPTO huggingface dataset:
Patent CA-1074184-A (CA)
Inventor: VARDA EUGENE I
IPC: E05B15/00
Filed: 1978-04-25
Granted: 1980-03-25
Abstract: Abstract of the Disclosure A door and discharge hopper combination in-cluding a locking mechanism which includes a rotatable latch jaw adapted to engage a keeper on the hopper door.  The jaw is maintained in a locked position by means of a link and bell crank lever arrangement which is adapted to be biased into an over-center position to assure positive locking of the latch jaw and keeper arrangement.
Patent CA-1096945-A (CA)
Inventor: JERINIC GEORGE
IPC: H03B9/12
Filed: 1978-04-27
Granted: 1981-03-03
Abstract: SOLID STATE POWER COMBINER                     Abstract of the Disclosure An improved solid state transmitter (and elements therefor) adapted particularly well to pulsed operation at radio frequencies is disclosed.  Such transmitter includes the combination of:  A crystal-controlled oscillator producing a continuous wave output signal which, ultimately, determines the frequency of each transmitted pulse; a first oscillatory circuit, including a resonant cavity and at least one normally quiescent coaxial oscillator incorporating an IMPATT diode; a second oscillatory circuit, including a resonant cavity and a plurality of normally quiescent coaxial oscillators, each one of such oscillators incorporating an IMPATT diode; and an improved modulator for periodically actuating all of the IMPATT diodes in such a manner that a pulsed output of the first oscillatory circuit is produced which remains locked to the then existing continuous wave signal out of the crystal-controlled oscillator and the pulsed outputs of the coaxial oscillators in the second oscillatory circuit similarly are locked.    The improved elements disclosed, in addition to the improved modulator, include various configurations of coaxial oscillators which are easier to align than known oscillators of such type or which allow a greater number of such oscillators to be coupled to a resonant cavity than was possible according to the prior art.          Finally, an improved probe and tuning arrangement for a resonant cavity is disclosed.
Patent CA-1103607-A (CA)
Inventor: AIRGOOD JAMES M
IPC: F23C9/00
Filed: 1978-05-18
Granted: 1981-06-23
Abstract: ABSTRACT             An ejector style exhaust gas recirculation jet is disclosed, for use in the underjet firing system of a coke oven battery, wherein a long throat of conventional diameter is combined with a non-tapered, reduced radius inlet trumpet and a straight nozzle positioned out of the entry flow path of hot exhaust gases.  The present invention reduces deterioration of the nozzle from hot gas bombardment and at the same time stabilizes flow rate and pressure differentials in the entry and exit flues connected to the ejector resulting in more reliable and precise controlability of the coke oven combustion system.
Patent CA-1045994-A (CA)
Inventor: HORNE FREDERICK F
IPC: B08B9/02
Filed: 1978-05-25
Granted: 1979-01-09
Abstract: Abstract of the Disclosure Method and apparatus for injecting foam into a pipeline.  Foam is produced and delivered under pressure to the inlet of a flexible foam-con-ducting tube.  An inflatable plug slidably encircles the tube, so that the tube can be enlarged by inflation to bear against the wall of the pipe and also against the wall of the tube, so as to prevent the foam from flowing back beyond the plug.
Patent CA-1107376-A (CA)
Inventor: TAPLIN LAEL B
IPC: F02D43/00
Filed: 1978-07-25
Granted: 1981-08-18
Abstract: 816.008 FUEL DEMAND ENGINE CONTROL SYSTEM     ABSTRACT OF THE DISCLOSURE     An electrically controlled closed loop system for maintaining a desired air-fuel ratio within an internal combustion engine. An operator-positioned accelerator commands a given fuel flow into the engine and the flow of air is controlled by means of a servo-actuated throttle plate. The commanded fuel flow and present position at the throttle plate are used to generate a basic command signal for controlling the servo motor to adjusting the position of the throttle plate. A gas detector or roughness sensor positioned in the engine is responsive to the actual air-fuel mixture in the engine which may be greater than or less than the desired air-fuel mixture and an error signal is generated which can be used to modify or correct the basic control signal in a closed loop manner for selectively adjusting throttle plate position to more precisely maintain a desired air-fuel ratio. While the present type of system has inherent acceleration enrichment since the fuel enters before the air flow increases, an undesirable condition of excessive enrichment may occur. The rate of change of commanded fuel flow is monitored to anticipate an impending undesirable condition of excessive enrichment and a transient control signal adjustment spike is generated to momentarily increase air flow to minimize the undesirable condition even before the gas detector or roughness sensor actually detects the existence of same.  A closed loop governing system for metering the fuel flow may also be provided, if desired.
Patent CA-1079650-A (CA)
Inventor: JONES CYRIL T
IPC: E02D31/00
Filed: 1978-08-08
Granted: 1980-06-17
Abstract: AN ABSTRACT OF THE DISCLOSURE          The prevent invention concerns the use of selected and improved adsorbent coal materials to provide a high degree of treatment for landfill leachates, in a simple effective and economical manner  the process involves a unique way of collecting leachates from either a newer controlled type of landfill operation or the conversion of  an uncontrolled type, and again the process may be used to upgrade older covered fills of refuse to correct potential leachate problems therefrom. According to the invention the landfill leachates are collected, removed and treated to an acceptable standard suitable for discharge to surface waters or re-cycling to the landfill operation.
Patent CA-1106096-A (CA)
Title: Photocurable composition containing a free radical curable organic resin and a triaryl sulfonium salt
Inventor: CRIVELLO JAMES V
IPC: C08J3/28
Filed: 1978-08-31
Granted: 1981-07-28
Abstract: ABSTRACT OF THE DISCLOSURE         Photocurable compositions are provided based on the use of a  triarylsulfonium salt   ?ritiator to effect the free-radical cure of particular organic resins, such as an acrylic.  A free-radical curing method is also provided for a broad variety of aliphatically unsaturated materials including mixtures of styrene and unsaturated polyesters.
Patent CA-1108975-A (CA)
Inventor: MCMAHAN ROY F SR
IPC: A47C3/02
Filed: 1978-10-02
Granted: 1981-09-15
Abstract: ABSTRACT OF THE DISCLOSURE      A rocker box for furniture and the like, comprising: a rockable top plate having two pairs of parallel laterally-spaced outer-depend-ing side and inner-depending supplementary flanges containing per-forations cooperatively providing four pivot-receiving openings on a common transverse axis, one outer side and one inner supplementary flange being located at each of the opposite sides of the box, each inner supplementary flange being spaced inwardly from the corres-ponding outer side flange so as to cooperate therewith in delimit-ing an interposed upper flange space; a non-rockable bottom plate having one pair of parallel laterally-spaced outer upright side flanges, one for each upper flange space, each upright side flange projecting upwardly from the bottom plate into the corresponding upper flange Space where it is parallel to the corresponding depend-ing side and supplementary flanges, said pair of upright flanges co-operatively providing two more pivot-receiving openings on said com-mon transverse axis; and a pair of laterally-spaced flange-inter-connecting pivotal structures mounting the top plate upon the bot-tom plate for rocking movement out of a neutral position between ex-treme forward and rearward rocking positions, one pivotal structure at each side of the box, each structure including a bushing mounted on the upright flange and a top plate pivot pin within the bore of each bushing; and front and rear rubber blocks between plates.
Patent CA-1107172-A (CA)
Inventor: JACONETTE JOHN J
IPC: F16K15/03
Filed: 1978-10-27
Granted: 1981-08-18
Abstract: ABSTRACT    In a swing-type check valve for allowing the flow of fluids in one direction only in industrial plumbing applications, it is known to manufacture the swinging hanger member of one piece and attach the valve clapper by means of a separate screw or clamp.  In this invention, the hanger assembly is formed of two pieces, each piece being held pivotally captive on a hanger pin, with a portion of each hanger member defining a convex recess in order to interfit with and embrace the valve disc neck of the valve clapper.  The valve clapper therefore can be manufactured in one piece with the valve disc neck machined to whatever tolerance is desired in order to closely interfit with the hanger assembly.  The close fit between the hanger assembly and the valve disc neck eliminates problems of valve failure due to such problems as valve disc misalignment.
Patent CA-1112407-A (CA)
Title: Mold for encapsulating a component having a lead at  an angle to the axis of the component
Inventor: LAMBRECHT RICHARD A
IPC: B29C70/72
Filed: 1978-12-01
Granted: 1981-11-17
Abstract: Abstract of the Disclosure A mold comprising a pair of mold sections which when closed form separate communicating chambers for receiving a component body and a portion of a non-axial lead extending from the component body at an angle to the axis of the body.   Molten plastic introduced into the mold encapsulates the capacitor body while the plastic which surrounds the lead portion is readily detached from the lead portion.
Patent CA-1100134-A (CA)
Inventor: PROTIVA MIROSLAV
IPC: C07D409/04
Filed: 1978-12-21
Granted: 1981-04-28
Abstract: ABSTRACT OF THE DISCLOSURE: 3-Fluoro-10-piperazino-8-substituted 10,11-dihydro-dibenzo[b,f]thiepins having the general formula:                                        (I) and their pharmaceutically acceptable acid addition salts, wherein: R1 represents an alkyl group having 2 or 3 carbon atoms, a hydroxyl, ethoxyl, ethylthio, nitro, amino or cyano group, an aminocarbonyl or an acyl group having from 1 to 3 carbon atoms, and R2 represents a hydrogen atom, an alkyl group having from 1 to 3 carbon atoms, a hydroxyalkyl group having 2 or 3 carbon atoms, an acyloxyalkyl group having a total number of 4 to 20 carbon atoms, in which the acyl moiety is a rest of an aliphatic or aromatic acid, a cyclic acetal radical of the formula:                     in which R represents a hydrogen atom or a methyl group and n is 1 or 2, or R2 represents a p-fluorophenylaliphatic radical of the formula:                           in which m is 1, 2 or 3 and X is a direct bond, an oxygen or sulfur atom, a carbonyl group or a bivalent radical of the formula:                       are therapeutically active, showing psychotropic activity at an acceptable level of toxicity.  They are neuroleptics with a high degree of the cataleptic, anti-apomorphine and central depressant action.
Patent CA-1116897-A (CA)
Inventor: KELLIE TRUMAN F
IPC: G03F5/00
Filed: 1979-01-03
Granted: 1982-01-26
Abstract: ABSTRACT    High resolution microimages of continuous tone photographs must be prepared in halftone form to enable inexpensive duplication of the microimages by conven-tional graphic arts processes.  The halftone pattern in such microimages must have a spatial frequency of not less than about 40 line pairs per millimeter in order to enable the projection of an acceptably detailed enlarged image.  In the present invention, such halftone micro-images are prepared using an ultra-high resolution gradiers density screen having therein an image of an interference fringe field resulting from an exposure of a perform of the screen to two interfering mutually coherent beams of radiation.
Patent CA-1127984-A (CA)
Title: Method for the recovery of a volatile  compound by fermentation of a  carbohydrate material
Inventor: JACKMAN EDWARD A
IPC: C12P7/10
Filed: 1979-02-05
Granted: 1982-07-20
Abstract: A METHOD FOR THE RECOVERY OF A VOLATILE COMPOUND BY       FERMENTATION OF A CARBOHYDRATE MATERIAL     ABSTRACT OF THE DISCLOSURE           The method for recovery of a volatile organic compound such as alcohol from resulting fermentation of a carbohydrate material in a fermentor, wherein the improvement involves conveying a part of the fermentation liquid to a separate vessel, standing under vacuum and, there, removing the volatile compound in the form of a vapor.  The bulk of the carbon dioxide produced during the fermentation is removed before the fermentation liquid is conveyed to the vacuum vessel.         The method may be performed on a batch basis or as a  continuous single stage process or as a multi-stage process.
Patent CA-1132181-A (CA)
Inventor: VOLKERS STEWART W
IPC: G03G15/16
Filed: 1979-02-14
Granted: 1982-09-21
Abstract: ELECTROSTATOGRAPHIC PROCESSING SYSTEM                 ABSTRACT OF THE DISCLOSURE         A xerographic processing system is disclosed and incorporates the art of flash fusing with the size/or triboelectric relationship of toner and carrier particles and being correlated with one or more of the various pro-cessing parameters of xerographic processing such as, charging potential, exposure levels, development bias.  The nature of the application of the toner transfer potential is also an ingredient to the system in achieving utmost quality.
Patent CA-1120150-A (CA)
Inventor: KASETA ROBERT G
IPC: G11B5/54
Filed: 1979-03-29
Granted: 1982-03-16
Abstract: COOLING APPARATUS FOR SPINNING MAGNETIC DISC MEMORY APPARATUS              ABSTRACT OF THE DISCLOSURE           An open loop, stepper-motor-driven, rigid magnetic disc memory apparatus for use with a data processing system.  A rigid magnetic disc with high track density is driven by a stepper motor in an open-loop fashion or without servomechanism control.          The memory apparatus includes:  band structure including a spring bias for coupling stepper motor drive to apparatus supporting magnetic heads above and/or below the spinning disc and for tem-perature compensating for disc/apparatus expansion and contrac-tion; manually operable control for zeroing the magnetic heads, moving and locking them in the disc's landing zone as, for example, while in transit, and providing a travel limit to head movement when the memory apparatus is operating; keying apparatus for preventing erroneous insertion and mis-alignment of and damag to an optical transducer relative to an optical mask arranged to spin with the disc structure; shim apparatus for precisely posi-tioning the magnetic heads in the spin axis direction; viscously-coupled inertia apparatus for damping the stepping motor's step-rotary motion; a device for employing spinning motion associated with the disc for cooling purposes; and other structure.
Patent CA-1137945-A (CA)
Title: Thermostatic devices
Inventor: NORTH ROYSTON J
IPC: G12B1/04
Filed: 1979-04-18
Granted: 1982-12-21
Abstract: ABSTRACT            A thermoscopic unit such as for use in a thermostat of a fluid mixing valve comprises a hollow body in which a cylindrical convoluted bellows unit is located and sealed to the body to define an expansion chamber in which a thermally responsive material, such as wax, is contained.  Temperature changes resulting in a change of volume of the material in the expansion chamber apply an external pressure to change the axial length of the bellows unit, and this may be operably connected to an actuator for a valve assembly. Preferably, there is a reservoir of the material constituted by a tubular coil encircling the hollow body, or a hollow cone extending therefrom.  Such reservoir is filled with the material and is in communication with the expansion chamber and provides additional heat transfer surfaces to give fast response to temperature changes.
Patent CA-1135173-A (CA)
Inventor: VAN POOL JOE
IPC: F23G7/06
Filed: 1979-05-08
Granted: 1982-11-09
Abstract: INCINERATION OF SULFUR PLANT TAIL GAS              Abstract of the Disclosure The tail gas from a sulfur process is added directly to the fuel gas supplied to an incinerator burner.  The H2S in the tail gas is converted by the burner to SO2 to enable the sulfur process to meet environmental air pollution requirements.
Patent CA-1109404-A (CA)
Inventor: SHIMIZU KAZUAKI
IPC: F16D55/2265
Filed: 1979-05-18
Granted: 1981-09-22
Abstract: ABSTRACT OF THE DISCLOSURE    A sliding arrangement for slidably mounting a caliper to a carrier in a disc brake is provided wherein the caliper has pins slidably received by the respective bores of the carrier.  The sliding arrange-ment permits each supporting portion of the caliper to stay on the corresponding pin even if the pin becomes in loose engagement condition with the corre-sponding support portion of the caliper, thus providing safeguard against accidental disengagement of the caliper from the carrier.
Patent CA-1130874-A (CA)
Inventor: BATTJES CARL R
IPC: H03F1/48
Filed: 1979-05-24
Granted: 1982-08-31
Abstract: The present invention relates to a wideband amplifier which is comprised of first, second and third transistors forming a three-terminal composite transistor.  The collectors of the first and second transistors are connected in common to a first terminal.  The base of the first transistor is connected to a second terminal.  The emitter of the first transistor is connected to the base of the second transistor, the collector and base of the third transistor are connected to the base of the second transistor and the emitters of the second and third transistors are connected in common to a third terminal.          The first, second and third transistors are matched and have substantially identical operating characteristics so that the DC current gain of the three terminal composite transistor is equal to B(2B+3)/(B+2).
Patent CA-1157881-A (CA)
Inventor: PRESSICK JOHN C
IPC: C11B1/10
Filed: 1979-08-03
Granted: 1983-11-29
Abstract: ABSTRACT OF THE DISCLOSURE         An improved method for removing oil from oil-bearing vegetable material is disclosed.  The method com-prises comminuting the vegetable material, forming agglomerates of the finely divided material containing between about 20% and about 55% water by weight, drying the agglomerates to a moisture content of less than about 15% by weight and then extracting the dried agglomerates with an oil solvent.
Patent CA-1149120-A (CA)
Title: Process and apparatus for producing plastic pipe
Inventor: ARENHOVEL CLEMENS
IPC: B29C48/475
Filed: 1979-08-10
Granted: 1983-07-05
Abstract: ABSTRACT OF THE DISCLOSURE         An improved ram extruder for the production of plastic pipe, especially plastic pipe of high molecular weight low pressure polyethylene, which comprises an extrusion die, heating means for heating polymer to be extruded, a ram which is reciprocated in the extrusion die, means for recipro-cating said ram and a mandrel which determines the inside diameter of plastic pipe to be extruded, the mandrel being ridgidly connected with the ram.  Also disclosed is a process for ram extruding plastic pipe by the use of such a ram extruder, especially a process for the formation of plastic pipe of high molecular weight low pressure polyethylene of molecular weight of more than 500,000.  A pipe or tube of high molecular weight low pressure polyethylene of molecular weight more than 500,000 is also disclosed together with its use as a liner for a steel pipe.
Patent CA-1129266-A (CA)
Title: Method for producing elevated temperature corrosion  resistant articles
Inventor: GUPTA DINESH K
IPC: C23F15/00
Filed: 1979-08-21
Granted: 1982-08-10
Abstract: ABSTRACT     METHOD FOR PRODUCING ELEVATED TEMPERATURE      CORROSION RESISTANT ARTICLES           A method for the production of metal articles resist-ant to corrosion at elevated temperatures.  The method in-volves the application of a first coating on an article sur-face, this coating comprising a cobalt, iron or nickel alloy which is compatible with the substrate and which is ductile in character.  A second coating highly resistant to corrosion at elevated temperatures is applied over the first coating to form a  composite coating, and an elevated temperature treatment follows to provide interfacial bonding and to minimize the detrimental effects of thermal and mechanical stresses encoun-tered during use.  The provision of a ductile first layer pro-vides a barrier against degradation of the corrosion resist-ance of the outer layer and serves as a barrier against detri-mental interdiffusion and crack propagation.  Figure 1 of the drawings is a photomicrograph showing the composite coating.
Patent CA-1083703-A (CA)
Inventor: NATTEL WILLIAM
IPC: H02G3/12
Filed: 1979-09-14
Granted: 1980-08-12
Abstract: ABSTRACT       An improved electrical outlet box of the type having a spacer member, providing a back wall and end walls, and two side walls.  The box has cooperating members for rotatably wedging one end of each side wall against an end wall to securely fasten it to the spacer member.  The box also has an arrangement for camming the end walls together with the side walls to provide a tight box.  The box includes bulged side walls for providing additional working space within the box while at the same time improving its mounting.  The box also includes a different improved arrangement for use in fastening it to a support.
Patent CA-1130646-A (CA)
Inventor: CLAY TYMEN
IPC: F04B15/02
Filed: 1979-09-14
Granted: 1982-08-31
Abstract: RAM TYPE PUMP               ABSTRACT OF THE DISCLOSURE           A ram type pump is disclosed for pumping manure from a collection area to a storage area.  The pump has a hollow cylindrical housing having a transfer portion and an actuator portion.  Manure is pushed through the transfer portion by a reciprocating cylindrical ram slidably located in the housing.    The ram is operated by a hydraulic actuator located in the housing actuator portion.  The housing actuator portion is releasably coupled to the transfer portion.  This releasable coupling retains a removable bearing and seal assembly con-centrically located for sliding, sealing engagement of the ram.  The housing transfer portion includes a guide bearing assembly for   concentric sliding engagement of the ram during reciprocating movement of the ram.  Also, the housing actuator portion includes radially disposed guide means for quick axial alignment of the ram in the housing.
Patent CA-1143326-A (CA)
Inventor: DAS SUBODH K
IPC: C25C3/06
Filed: 1979-10-10
Granted: 1983-03-22
Abstract: Abstract Metal such as aluminum is produced electrolytically from metal chlorides or other halides dissolved in a molten solvent bath of higher decomposition potential in a cell includ-ing one or more graphite cathode surfaces spaced from opposed anodes, particularly a bipolar cell, with bath flow through the spaces between the anodes and cathodes.  The wetting character-istics of the carbonaceous cathode with respece to the metal deposited there by electrolysis are selectively balanced with the bath flow over the cathode and with the anode-to-cathode distance.  Cathode surface wear rate is substantially reduced if the surface is wettable by the metal in regions of low bath flow velocity or regions of greater anode-cathode distance.  The wear rate is also reduced by using non-wettable cathode surfaces in regions of higher bath flow velocity or regions of closer anode-cathode distance.  Conditions of graphite manufacture, including raw material selection and graphitization temperature, are specified to achieve controlled wettability of graphite elec-trodes to enable the selective production of either condition for the particular cell operation invlolved.