baber/WOPTO huggingface dataset:
Patent CA-1117464-A (CA)
Inventor: ARENDT RONALD H
IPC: C25D9/10
Filed: 1978-03-17
Granted: 1982-02-02
Abstract: ABSTRACT OF THE DISCLOSURE    A relatively thin coat of calcium metaborate is electro-lytically-applied directly to the surface of a boron-containing electrical steel and a substantially thicker overcoat of Mg(OH)2 is electrolytically-deposited on the calcium meta-borate coating to provide a duplex coating about 0.2 mil thick.
Patent CA-1093352-A (CA)
Inventor: BALDWIN STANLEY L
IPC: E21D21/00
Filed: 1978-03-28
Granted: 1981-01-13
Abstract: ABSTRACT OF THE DISCLOSURE          An assembly for anchoring a cable disposed within a hole comprises, in combination, cable gripping means for gripping the cable while the cable and assembly are being advanced within the hole and expandable hole gripping means in contact with the cable gripping means and effective to cause the cable gripping means to grip the cable and the hole gripping means ever more tightly as increasing tension is applied to the cable.
Patent CA-1119260-A (CA)
Inventor: SCHLIENGER MAX P
IPC: B23K9/013
Filed: 1978-05-03
Granted: 1982-03-02
Abstract: HIGH SPEED ELECTRIC ARC SAW AND          METHOD OF OPERATING SAME           Abstract of the Disclosure An electric arc saw and a method for operating the saw for cutting or slitting metallic objects by melting a narrow kerf into the object.  The method provides for determining the minimum threshold current that is necessary to initiate the cutting operation.  The normal cutting current exceeds the threshold current and during the cutting operation the blade is advanced through the object at a speed which is continuously monitored and varied as required to maintain the current flow between the blade and the object substantially constant.  The arc saw is constructed so that cuts in three mutually perpendicular directions can be made.          The blade is mounted to a vertically disposed, hollow piston that reciprocates in a cylinder mounted to and movable along a cross-head.  The piston can be pivoted about its axis to align the blade with the different cutting directions. Electric busbars and power lines for rotating the blade extend through the hollow interior of the piston.  The blade itself is relatively thin and slightly dished-in so that it assumes a flat configuration during operation.
Patent CA-1093638-A (CA)
Inventor: WACHI SHIGEAKI
IPC: H02M3/338
Filed: 1978-06-28
Granted: 1981-01-13
Abstract: DC-AC INVERTER     ABSTRACT OF THE DISCLOSURE     In a DC-AC inverter having a switching circuit connected between DC input terminals and being controlled by pulses from an oscillation transformer to provide an AC output from which voltage and current feedbacks are applied to the transformer for maintaining oscillation thereof; the core of the oscillation transformer is formed, in part, of a core material having a large saturation magnetic flux density and, in part, of a core material having a high Curie temperature so as to provide the inverter with both a high efficiency and a stable oscillation frequency.          The DC-AC inverter is particularly suited to be included in a DC-DC converter constituted by applying the AC output of the inverter to a suitable rectifying and smoothing circuit.
Patent CA-1104878-A (CA)
Inventor: TAKEUCHI SHIGEO
IPC: A21B1/00
Filed: 1978-08-03
Granted: 1981-07-14
Abstract: METHOD OF MAKING BREAD AND     APPARATUS THEREFOR     Abstract of the Disclosure A breadmaking method and apparatus particularly adapted for household use.   A combined trough and baking-pan unit is removably mounted on a lift table arranged in the oven and, when raised, is automatically covered by a down-wardly spring-biased closure member and receives a measured amount of water as allowed to fall down through the bottom port of a water tank provided above and through holes formed in the closure member.   Also provided are agitator means which are operable to act upon the mixture in the combined trough and baking pan unit raised.   For fermen-tation and degassing of the dough thus formed in the unit, the lift table is lowered to its bottom position and held there for an appropriate length of time and thereafter the oven temperature is raised to a suitable level.   The oven heater can also serve to heat the water held in the tank preliminarily to an optimum temperature and thus enables any inexperienced person to make palatable bread at all seasons independently of the external atmospheric tem-perature with ease.
Patent CA-1067286-A (CA)
Inventor: MOREAU JEAN R
IPC: C10L5/44
Filed: 1978-09-20
Granted: 1979-12-04
Abstract: ABSTRACT OF THE DISCLOSURE        The disclosure describes a process for agglomerating particulate wood material such as saw dust, wood shavings, fines, bark, tree needles, wood chips, wood dust, newspaper and card-board material, impurities normally encountered therein and mixtures thereof.  The process comprises providing a particulate wood material with a moisture content of between about 10 to 40 percent by weight calculated on a dry basis. Then, the moisture containing particulate wood material is dry mixed with dry powdered lignosulfonate to form a substantially homogeneous mixture which is compressed under a pressure between 400 and 3000 lbs/inch2 until the particulate wood material is agglomer-ated.  The product obtained is resilient, easily ignitable and combustible.
Patent CA-1103302-A (CA)
Inventor: GARDINER KENNETH W
IPC: G03G21/00
Filed: 1978-10-06
Granted: 1981-06-16
Abstract: Title of the Invention PHOTOCONDUCTIVE DRUM CLEANING APPARATUS                   Abstract of the Disclosure Apparatus for cleaning the photoconductive drum of an electrostatic copier in which a rotating foam roller and a self-cleaning squeegee blade are sequentially arranged adjacent the photoconductive surface at a location follow-ing the station at which the image has been transferred to copy material such as paper.  The self-cleaning squeegee blade is formed by a driven endless belt which extends across the entire photoconductive surface and which is so disposed that an edge portion or portions contact the surface of the photoconductor.  The endless belt is cleaned by means remote from the photoconductive surface.  In various embodiments of the invention the endless belt contacts the photoconductive surface at an acute, a right, and an obtuse angle to a tangent to the photoconductive surface.  Means is provided for supplying developer liquid to the developer applicator on start-up of the machine and to the cleaning apparatus upon initiation of a copying operation.  To prevent scratching of the photoconductive surface by the cleaning apparatus, the cleaning apparatus is retracted from the photoconductive surface until such time after initiation of a copying operation that the surface portion initially at the developer applicator has advanced to a position adjacent to the cleaning apparatus.
Patent CA-1098624-A (CA)
Inventor: ESAKI LEO
IPC: H01L29/15
Filed: 1978-10-16
Granted: 1981-03-31
Abstract: Abstract of the Disclosure A superlattic structure is disclosed in which alternating layers of semiconductor alloy materials provide a one dimensional spatial periodic variation in band edge energy.  A first layer of the superlattice device is an alloy including a first Group III material and a first Group V material, preferably In As, while the second layer is an alloy including a second Group III material different from the first Group III material and a second Group V material different from the first Group V material, and preferably GaSb.  In the superlattice structure the valence band of the second alloy is closer to the conduction band of the first alloy than it is to the valence band of the first alloy.
Patent CA-1090260-A (CA)
Inventor: GOODACRE STEPHEN P
IPC: B62D7/02
Filed: 1978-11-21
Granted: 1980-11-25
Abstract: "STEERIG LINKAGES AND VEHICLES      INCORPORATING THEM"     Abstract of the disclosure A steering linkage for a pair of wheels with upright pivot axes is comprised of links and pivots.   Torque can be applied to each wheel via a pivotal connection to an intermediate link when control links are pivoted about their fixed pivots by a drive applied through a tiebar. Each wheel can be rotated about its pivot axis by at least 180°, and the turning circles of the wheels have a common centre which, when the wheels are steered describes a line parallel to the line which joins the pivot axes of the wheels.   In a four wheeled vehicle the described line is coincident with the rotational axes of the second set of wheels.
Patent CA-1106799-A (CA)
Inventor: TAKAHASHI KEIICHI
IPC: B65D17/50
Filed: 1978-12-15
Granted: 1981-08-11
Abstract: ABSTRACT OF THE DISCLOSURE    A container cover member comprising a cover sheet formed of paper or thermoplastic synthetic resin having an opening of a desired size and shape in a predetermined position and over said opening a closure member having a pull tab or handle formed of thermoplastic resin which is compatible with the material of said cover sheet, said opening being easily uncovered when said pull tab is pulled up, and the process for making the cover member.
Patent CA-1109294-A (CA)
Inventor: GOLOFF ALEXANDER
IPC: B62D9/00
Filed: 1979-02-08
Granted: 1981-09-22
Abstract: TRANSMISSION-DIFFERENTIAL COMBINATION                 Abstract of the Disclosure A rotating drive wheel which drives a pair of output shafts.  The driving of each of the output shafts proceeds via a mechanical transmission which delivers rotary motion from the drive wheel to the output shafts.  A drive ratio delivered by each of the transmissions can be selectively varied.
Patent CA-1135081-A (CA)
Title: Procede de preparation de poudres de ferrites
Inventor: BOEUF JEAN-MARIE
IPC: C04B35/26
Filed: 1979-02-08
Granted: 1982-11-09
Abstract: Procédé de fabrication de poudres de ferrites de Ba, Sr et/ou Pb, destinées à être incorporées dans un liant élastomère, thermoplastique ou thermodurcissable, consistant partir d'un mélange d'oxyde de fer Fe2O3 et d'un carbonate de Ba, Sr et/ou Pb, à calciner ce mélange, à le laver à l'acide, à le rincer et à le sécher. Le procédé de l'invention est caractérisé en ce qu'on ajoute au mélange initial au moins halogénure alcalin, en proportion totale de 0,5 à 15% du poids total du mélange et un ou plusieurs composés oxygénés du bore choisi dans le groupe constitué par les borates alcalins et les borates alcalino-terreux, en proportion de 0,2 à 7% du poids total du mélange et en ce qu'on effectue la calcination entre 850 et 1100.degree.C pendant au moins 15 minutes. L'invention trouve son application notamment à la fabrication d'aimants permanents agglomérés flexibles ou rigides à hautes caractéristiques magnétiques.
Patent CA-1113676-A (CA)
Inventor: TARMANN BRUNO
IPC: B22D11/04
Filed: 1979-03-15
Granted: 1981-12-08
Abstract: ABSTRACT OF THE DISCLOSURE:      With a cooled continuous casting mould having an arrange-ment for producing a rotating electro-magnetic field of force in the non-solidified region of the mould, the mould is de-signed as a compound body formed of an upper wall of copper or a low-alloyed copper alloy, and a lower wall of an anti-mag-netic material with low electric conductivity, the two walls delimiting the mould inner space, and the lower wall being surrounded by an induction arrangement for producing the elec-tro-magnetic field of rotation.
Patent CA-1136228-A (CA)
Inventor: CAVIGELLI GEORGE A
IPC: H03F3/34
Filed: 1979-03-22
Granted: 1982-11-23
Abstract: OPERATIONAL AMPLIFIER WITH SLEW RECOVERY ENHANCEMENT         Abstract of the Invention Improved slew recovery in a composite driving amplifier for driving a substantially reactive load including a feedback loop to the operational amplifier from the load for regulating the output of the amplifier, the composite amplifier has a predetermined resistance R1 in the feedback loop and includes a second feedback loop having a predetermined resistance R2. The second feedback loop extends from the output of the operational amplifier to the negative input and is substantially parallel with the first-mentioned feedback loop. To maximize the recovery of the amplifier from a slew condition, the relationship of R1-R2 should be as follows:    wherein: Vo is the output voltage in the amplifier.     SLOPE, is the slope of the load voltage curve during the overload condition, and DELAY represents the period of time it takes the overload operational amplifier to respond to a feedback signal at a given overload condition.
Patent CA-1121880-A (CA)
Inventor: MARCHAK ROMAN O
IPC: F02D41/26
Filed: 1979-04-26
Granted: 1982-04-13
Abstract: START AND WARM UP FEATURES FOR ELECTRONIC FUEL MANAGEMENT SYSTEMS               ABSTRACT OF THE DISCLOSURE         An electronic control unit for  regulating the air/fuel ratio of an internal combustion engine is dis-closed.   The electronic control  unit  has an open loop calibration for regulating air/fuel ratio that is corrected with a  closed  loop  correction  signal  developed  by  an integral controller.  The open loop calibration is a speed-density based schedule which is combined with corrections for  special  conditions to  account  for  the  operating parameters of the engine at any instant.  Included in these special condition corrections are provision for start and warm-up features.  The start feature includes an enrichment pulse generator whose pulses have a duration dependent upon the  engine  operating  temperature  and  speed which  are inhibited while the engine is above a predetermined RPM. The  warm-up  feature  includes  a  time  and  temperature dependent enrichment which is linearly multiplied by an engine load factor.  The warm-up feature further includes a time  dependent  holding  level  or  delay  from  which  the enrichment factor value decays during warm up and a feature to  defeat  this  holding  level  above  a  certain  engine operating temperature.
Patent CA-1125179-A (CA)
Title: Acoustical panel
Inventor: HANSEN LAWRENCE F
IPC: E04B1/84
Filed: 1979-05-22
Granted: 1982-06-08
Abstract: Abstract An acoustical panel for reducing acoustic noise is disclosed.  The panel is comprised of a corrugated sheet of material.  The sheet of material has a generally parabolic-sinusoidal configuration forming a plurality of corrugations.  The corrugations extend in a first direction and form a plurality of peaks and valleys.          At least one side of the panel has a surface adapted to face a source of acoustical noise.  The surface acoustically diffuses acoustic waves striking the surface and causes acoustic wave interference to occur.  The acoustic panel has a transaxial stiffness-compliance such that the panel is permitted to pump when low frequency acoustic energy is applied to the panel for the purpose of dissipating acoustic energy.
Patent CA-1147018-A (CA)
Title: Variable reluctance electric motor systems
Inventor: RAY WILLIAM F
IPC: H02P25/28
Filed: 1979-05-25
Granted: 1983-05-24
Abstract: ABSTRACT    A variable reluctance electric motor system includes a variable reluctance motor having main windings and auxiliary windings closely coupled to the main windings, a main storage battery for driving the motor, terminals (that will be referred to as DV supply terminals), and a power converter circuit for charging the battery from the D.V. supply.  The motor is included in the power converter circuit to function as an isolating transformer to isolate the battery from the supply when on charge.
Patent CA-1130957-A (CA)
Title: Process for the preparation of dustless,  readily-dispersible  pigment or dyestuff granules
Inventor: MACPHERSON IAN A
IPC: C09B67/10
Filed: 1979-05-29
Granted: 1982-09-07
Abstract: Abstract of Disclosure A process for producing a pigment or dyestuff composition in the form of dustless readily dispersible granules, which process comprises contacting, with agitation, an aqueous dispersion of a pigment and a composition comprising one or more organic acids which are liquid at temperatures below 100°C or their salts, at a pH value at which the acid is insoluble in water, the temperature being maintained during contacting above the melting point of the acid until the pigment has completely transferred into the organic phase; increasing the pH to a value suitable to render the acid soluble in water and recovering the resulting granules.
Patent CA-1108383-A (CA)
Inventor: HOPKINS DAVID A
IPC: B23C5/22
Filed: 1979-06-22
Granted: 1981-09-08
Abstract: ABSTRACT OF THE DISCLOSURE        A face milling cutter having indexable inserts located in corner pockets at the periphery of the cutting face of the cutter body angularly positioned to provide a cutting edge extending from a point of maximum cutting depth in a direction progressively outward from the axis of rotation, progressively backward relative to direction of rotation and of progressively reduced cutting depth totalling a minor fraction of the outward extension, together with a secondary wiping cutting edge extending from the cutting point inwardly and backwardly relative to the axis and direction of rotation and substantially in the cutting plane of rotation thus providing effective cutting and wiping action in angularly related cutting edges of the same insert.
Patent CA-1115151-A (CA)
Title: System for heating fuel oil
Inventor: CONNOR FRANK G
IPC: F02B3/06
Filed: 1979-08-07
Granted: 1981-12-29
Abstract: Abstract A mechanism  (10)  for heating diesel  fuel in a diesel  engine  vehicle  is  disclosed.   The mechanism  (10) includes a heat exchange conduit (18), a portion of which is adapted to be held in the interior of a fuel tank (12) of a diesel engine (16).  An inlet conduit (42) connects an inlet end (30) of the heat exchange conduit (18) to a water mani-fold (44) of the diesel engine (16).  An outlet conduit (46) connects an outlet end (32) of the heat exchange conduit (18) to the engine block (48) of the diesel engine (16).  In this manner, coolant liquid from the diesel engine (16) is passed through the heat exchange conduit (18) to heat diesel fuel contained in the fuel tank (12).
Patent CA-1129002-A (CA)
Inventor: MILLER GABRIEL L
IPC: G01R33/12
Filed: 1979-08-21
Granted: 1982-08-03
Abstract: NONCONTACTING MEASUREMENT OF HALL EFFECT IN A WAFER            Abstract of the Disclosure The magnitude and sign of the Hall angle of the material of a wafer are measured by a combined capacitive and inductive coupling technique which does not require physically contacting the wafer.  Contacting methods in common use introduce surface damage or contamination which may reduce the yield of microelectronic circuits on semi-conductor wafers and normally in addition require special sample geometries.  In this technique an rf signal is applied to a pair of concentric circular planar electrodes adjacent to the wafer, thus capacitively coupling a radial rf current into the wafer.  A magnetic field applied perpendicular to the wafer produces a circular component of rf current because of the Hall effect.  This circular rf current produces an axial rf magnetic field which couples to a pickup coil.  The pickup signal is amplified and detected to produce an output signal related to the sign and magnitude of the Hall angle of the wafer material.
Patent CA-1125346-A (CA)
Inventor: FLER JACK P
IPC: A47B88/493
Filed: 1979-11-07
Granted: 1982-06-08
Abstract: ABSTRACT OF THE DISCLOSURE         Three part slide with latching between the intermediate and inner rails in the retracted condition and latching between the intermediate and outer rails in the extended condition whereby first the outer rail moves relative to the other two, following which the inner rail moves relative to the other two.
Patent CA-1139634-A (CA)
Inventor: TEGLUND LARS
IPC: E03F5/10
Filed: 1979-11-19
Granted: 1983-01-18
Abstract: ABSTRACT The device consists of a collection well or basin for liquid.  A riser emerges from the bottom of the basin at a certain inclination to the horizontal plane.  This riser runs through a bend and, in some cases, a re-ducer into a vertical pipe, which connects to an essentially U-shaped piece of pipe with a horizontal outlet.  When the basin is filled with liquid, and additional liquid is supplied in a flow that exceeds the minimum flow that can run continuously through the device, a liquid seal is formed in the piece of pipe.  Since liquid emerges from this piece of pipe into the outlet, a vacuum is created in the vertical pipe which sucks the liquid out of the basin, in the manner of a siphon.  The liquid emerges from the device in the form of continuous plugs with high kinetic energy content.  The device permits the use of small-diameter pipes in drainage systems without the required self-cleansing effect being lost, even if water-conserving flush toilets are connected to the system.  Other areas of application are irriga-tion and the metering of liquids in batches.
Patent CA-1118476-A (CA)
Inventor: CAITHNESS MICHAEL G
IPC: H01H33/88
Filed: 1979-11-22
Granted: 1982-02-16
Abstract: 17                  47,421 ABSTRACT OF THE DISCLOSURE A  gas-insulated  circuit  interrupter  includes stationary and movable contact assemblies which are coop-erable with each other to transmit or interrupt electrical current.  Means are provided for moving the movable con-tact assembly, and for establishing a flow in the circuit interrupter during an opening interruption to extinguish the arc which is drawn between the stationary and movable arcing contacts.  A hollow insulating nozzle is utilized for  directing  gas  flow.   The  interior  surface  of  the nozzle is shaped so as to direct a flow of insulating gas to blast into the arc, and the exterior surface of the nozzle is contoured such as to deflect the flow of insu-lating gas away from the movable main contacts.
Patent CA-1148619-A (CA)
Inventor: TUCKER RAYMOND M JR
IPC: H03K17/96
Filed: 1979-12-06
Granted: 1983-06-21
Abstract: INDUCTION COOK-TOP WITH IMPROVED TOUCH CONTROL            ABSTRACT OF THE DISCLOSURE     An induction heating system (40) is provided and includes a plurality of induction heating coils (118). Touch control pads (50, 52, 70, and 72) are provided together with circuitry (80) for generating energiza-tion control signals.  Circuitry (112 and ll6) is provided for electrically energizing the induction heating coils (118).  An electronic digital processor (82) is responsive to the energization control signals for generating energization signals for actuating and controlling the energization circuitry (112 and 116) to thereby vary the energization of the plurality of induction heating coils (118).  Circuitry (150 and 152) is provided for maintaining touch control pads (50, 52, 70 and 72) operable when an operator is in contact with a pan disposed adjacent the plurality of induction heating coils (118).
Patent CA-1132664-A (CA)
Title: Microwave heating package, method and susceptor  composition
Inventor: WINTERS WILLIAM C
IPC: F24C7/02
Filed: 1979-12-13
Granted: 1982-09-28
Abstract: MICROWAVE HEATING PACKAGE, METHOD AND              SUSCEPTOR COMPOSITION     Abstract of the Disclosure A microwave heating package, and a method of microwave heating.  Both the package and the method employ a lossy chemical susceptor which upon continued exposure to micro-wave radiation becomes substantially microwave transparent, thus building into the system a unique maximum temperature shut off at the point at which the chemical susceptor becomes microwave transparent.  The chemical susceptor is comprised of a combination of a solute, such as inorganic salts of Group IA and IIA, and a polar solvent for the solute, such as water.  The chemical susceptor may be composed of a hydrated form of the inorganic salts.  The package, method and chemical susceptor may be used for microwave heating of many products, including among others, food products.