baber/WOPTO huggingface dataset:
Patent CA-1063171-A (CA)
Title: Control circuit arrangement for generating a control signal for a voltage converter
Inventor: TEULING DIRK J A
IPC: H02M3/145
Filed: 1976-06-18
Granted: 1979-09-25
Abstract: ABSTRACT:        Control circuit for controlling a switched converter generating an output voltage which is inde-pendent of variations of the input voltage.  For this purpose, a forward control is used with a sawtooth vol-tage of which both the variation during the pulse duration of the pulses applied to the switch of the converter and the slope arelinear functions of the input voltage and of an adjusting voltage. The output voltage is proportional to the adjusting voltage. This can be derived from the output voltage by means of a feedback coupling.
Patent CA-1098284-A (CA)
Inventor: TIELENS ARTHUR J
IPC: B01F7/04
Filed: 1976-07-09
Granted: 1981-03-31
Abstract: ABSTRACT OF THE DISCLOSURE     A supersaturated solution of ground bauxite and caustic soda is fed to a plurality of stirrer tanks in a product cascade.  Seed crystals are added to the upstream stirrer tank of the product cascade and all of the precipitated crystals are passed from each tank to the following tank and at the last tank all of the crystals are withdrawn and the coarsest crystals are subsequently calcined and used in the production of aluminum.  The liquors in the product cascade are maintained at a temperature between 75°C and 90°C and after extraction of most of the crystals all of these liquors are added together and fed sequentially through a further row if stirrer tanks in a seeding cascade where-in the temperature is maintained between 50°C and 65°C.  These tanks are arranged in a row and the spent liquor is taken from the last cascaded tank, evaporated, and mixed with ground bauxite and caustic soda for subsequent concentration and use as the mother liquor or supersaturated solution.  The crystals stripped from the last stirrer tank are withdrawn and added to the first of the stirrer tanks of the product cascade as the seed crystals.      Each of these stirrer tanks of the product cascade has a central vertical shaft and at least three vertically spaced paddles carried on the shaft and inclined at different angles to form three zones, with concentration of solids in the liquid in the stirrer tanks increasing towards the bottom.
Patent CA-1071380-A (CA)
Inventor: IRANI MAZIN R
IPC: C01B25/46
Filed: 1976-08-13
Granted: 1980-02-12
Abstract: Abstract of the Disclosure A process for converting wet process phosphoric acid to food grade alkali metal phosphates by a sequence of steps including extraction of the wet process acid, partial neutralization, dilution with water, contact with activated carbon, neutralization to a pH of from about 5 to about 9, contact with activated carbon, contact with insoluble alkaline earth metal phosphate salts and recovery of the dissolved alkali metal phosphate product in solution.
Patent CA-1053580-A (CA)
Inventor: CAUGHMAN HENRY D
IPC: A61K31/14
Filed: 1976-09-08
Granted: 1979-05-01
Abstract: Abstract of t e Disclosure An aqueous composition is provided to aid in the prevention of mastitis in udders.  The composition consists of:                                             .
Patent CA-1077338-A (CA)
Inventor: REINBOLD GEORGE W
IPC: A23C19/068
Filed: 1976-11-19
Granted: 1980-05-13
Abstract: PROCESS FOR MANUFACTURING PIZZA CHEESE     Abstract Mozzarella of the kind used for pizza is prepared using a standard starter culture plus an additional culture selected from Pediococcus cerevisiae, Lactobacillus plantarum, Streptococcus faecalis, Streptococcus durans, and Lactobacillus casei, or mixtures thereof.  Although the cheese is made by the usual processing steps, the cheese product has a reduced lactose sugar (and/or its monosaccharide derivatives) content due to the added culture, which metabolizes residual lactose during a cold temperature holding at the end of the process.  The result-ing cheese has improved properties for  the manufacture of pizza, being substantially nonburning and having improving melt, flavor, and color characteristics.
Patent CA-1070444-A (CA)
Title: Method of increasing the water absorption of cellulose-containing materials
Inventor: WILLIAMS JOEL L
IPC: D06M13/402
Filed: 1977-02-22
Granted: 1980-01-22
Abstract: ABSTRACT OF THE DISCLOSURE            A process for increasing the water-absorbency of cellulose-containing materials by graft-copolymerizing onto said material a vinyl monomer containing a hydrophilic group ant treating the graft-copolymerized material with a decrystallizing agent for cellulose.
Patent CA-1101438-A (CA)
Inventor: BRICKL ROLF
IPC: A61P31/04
Filed: 1977-04-13
Granted: 1981-05-19
Abstract: ABSTRACT OF THE DISCLOSURE        The invention relates to new fluoroacylresorcin derivatives which posses interesting pharmacological and/or pesticidal properties being, in general, particularly active against bacteria, dermatophytes, yeast, moulds and phytopathogenic fungi as well as exhibiting an inhibitory effect on various key enzymes of carbohydrate metabolism and on cell cultures. Several processes for the preparation and interconversion of these compounds are described and exemplified. Examples of compositions containing the new compounds are also given.
Patent CA-1081425-A (CA)
Inventor: WINCH ALLEN R
IPC: D01G21/00
Filed: 1977-05-27
Granted: 1980-07-15
Abstract: ABSTRACT OF THE DISCLOSURE         Processes and apparatus for treating fibrous material for subsequent processing are described.  Such processes and apparatus are able to provide a continuously high throughput, e.g., 400 pounds per hour or more, while achieving an acceptable degree of cleanljness and uniformity with a substantial absence of formation of neps.  In a preferred embodiment the fiber treatment unit includes a train of rolls adjacently mounted for rotation about parallel axes.  Adjacent rolls . , rotate in opposite directions and each is provided with a plurality of fiber grabbing, card clothing teeth.  A number of additional carding points about the rotating cylin-ders are provided.  Numerous trash removing assemblies adjacent the rotating rolls provide for removal of trash and other dry particles thus preventing escape of such particles into tile atmosphere and minimizing health hazards at this and subsequent fiber process stages.  In order to achieve the stated objective high capacity, the several rolls are rotated typically at excessively higher than conventional card peripheral velocities.
Patent CA-1073569-A (CA)
Inventor: SCHINDLER HANS R
IPC: H04M3/02
Filed: 1977-06-27
Granted: 1980-03-11
Abstract: A METHOD AND APPARATUS FOR MONITORING       THE ON/OFF-HOOK STATUS OF A TELEPHONE SET                        ABSTRACT    In an extension line circuit, an off-hook condition is detected during ringing by superimposing in each ringing cycle the values of the line current existing at two sampling instants exactly one-half cycle apart, and testing whether the sum (or mean value) exceeds a given threshold.          When DC current starts flowing due to the set going off-hook, the mean value of the two values will pass a threshold.     Sample pulses can be derived in common for all line circuits from positive-going zero crossings of the ringing supply signal.     The circuit acts as a notch filter centered exactly at the actual frequency of the ringing signal.
Patent CA-1093138-A (CA)
Inventor: BLAKE NEIL B
IPC: G03G15/00
Filed: 1977-09-06
Granted: 1981-01-06
Abstract: ABSTRACT             Documents are colour-coded to permit the production of colour-coded documents in a copying machine from a copy sheet stock of a single colour.  This is achieved by automatically marking successive documents serially presented with mutually different colours in some preselected sequence.
Patent CA-1084951-A (CA)
Inventor: KAPLAN LEONARD
IPC: C07C29/158
Filed: 1977-09-29
Granted: 1980-09-02
Abstract: NOVEL SOLVENTS FOR THE CATALYTIC PROCESS   FOR MAKING POLYHYDRIC ALCOHOLS     ABSTRACT OF THE DISCLOSURE           This invention concerns making alkane polyols and monohydric alcohols by reacting hydrogen and oxides of carbon in the presence of a rhodium carbonyl complex dissolved in a crown ether.   1.
Patent CA-1084100-A (CA)
Inventor: TAUB HOWARD H
IPC: B41J2/21
Filed: 1977-10-03
Granted: 1980-08-19
Abstract: METHOD AND APPARATUS FOR CONTROLLING THE FORMATION      AND SHAPE OF DROPLETS IN AN INK JET STREAM                   ABSTRACT OF THE DISCLOSURE Method and apparatus is described for controlling the formation and shape droplets in an ink jet stream.  The continuous portion of the stream is illuminated with a radiant energy source such as a laser.  The surface wave profile produced by illuminating the stream is sensed to provide the fundamental and harmonic frequency components thereof.  A perturbation drive signal, the amplitude and relative phase of which is a function of the sensed frequency components, is provided for controlling the formation and shape of the droplets.
Patent CA-1092871-A (CA)
Inventor: JOHNSON BRUCE K
IPC: G03D3/00
Filed: 1977-10-07
Granted: 1981-01-06
Abstract: ABSTRACT OF THE DISCLOSURE          Photographic apparatus including an electro-mechanical system which upon initiation automatically operates the apparatus through a photographic cycle including exposing and subsequently processing and advancing photographic material from the apparatus.  The system includes a modular assembly having a single switch block employed to both initiate apparatus operation additionally, in cooperation with other apparatus elements, to continue to operate the apparatus through a complete cycle.  A manually displaceable actuator is employed to initiate the switch actuation and hence, camera operation; and an a ? atic actuator, responsive to initial camera operation thereafter maintains switch actuation throughout the camera cycle.
Patent CA-1098306-A (CA)
Inventor: IWAO NORIAKI
IPC: G09B19/02
Filed: 1977-10-14
Granted: 1981-03-31
Abstract: ABSTRACT A teaching apparatus for use in teaching numerical concepts can be constructed so as to utilize first and second display members which are movably mounted within a housing so that each of the members is capable of being moved from a first position to a series of successive positions.  The housing is constructed so that as the display members are so moved portions of them can be viewed from the exterior of the housing.  An advancing structure is provided within the housing for concurrently moving the display member from their first positions to the successive positions.  First and second return structures are provided for causing the return of the display members to their first locations after they have been moved to any of the successive positions.  A part may be mounted on the housing and connected to the advancing structure so that each time the advancing structure is actuated the part is moved from and then back into an initial position.
Patent CA-1086361-A (CA)
Inventor: SHAFFER HOWARD R
IPC: H01H77/10
Filed: 1977-11-21
Granted: 1980-09-23
Abstract: D-4019(CID) ANTI-REBOUND LATCH FOR CURRENT LIMITING SWITCHES          ABSTRACT OF THE DISCLOSURE a multipole circuit breaker is constructed with a single rod pivotally mounting all of the movable contact arms to a common one piece molded insulating carrier.         Individual torsion springs engage each of the contact arms to provide contact pressure when the circuit breaker is closed.  The construction of the contact arms and carrier are such that under severe overcurrent conditions electro-dynamic blowoff forces acting on the contact arms may bring about contact separation that is substantially as great as the contact separation that takes place when the circuit breaker is opened normally by its contact operating mechanism.         An individual anti-rebound pin for each pole engages the contact arm of the associated pole to prevent rebound reclosing after electrodynamic opening. A camming means on the carrier releases the anti-rebound latches to permit manual closing of the contacts.
Patent CA-1097336-A (CA)
Inventor: BELLOVARY LOUIS
IPC: F28F9/02
Filed: 1978-01-19
Granted: 1981-03-10
Abstract: Abstract of the Disclosure A weldment heat exchanger having at least the surfaces contacted by the fluids between which heat is exchanged of stainless steel and comprising a tube bundle having spaced tubes through which one of the fluids flows and over the outer surfaces of which tubes a second fluid flows for exchange of heat between the fluids through the walls of the tubes, a first header-tank at one end of the bundle and a second header-tank at the opposite end of the bundle, the joints of the parts including those of the two header-tanks and the tubes being welded.
Patent CA-1102948-A (CA)
Inventor: SKOULTCHI MARTIN M
IPC: C09J4/00
Filed: 1978-01-30
Granted: 1981-06-09
Abstract: ABSTRACT          A two part adhesive composition characterized by rapid curing and long shelf life is disclosed.  The adhesive composition comprises a first component of an acrylic monomer and copper saccharinate or saccharin and a soluble copper salt and a second component comprising an alpha-hydroxy sulfone or an alpha-amino sulfone or mixtures thereof which functions as an activator therefor.
Patent CA-1072287-A (CA)
Inventor: LATZER BEDA
IPC: C02F11/12
Filed: 1978-03-07
Granted: 1980-02-26
Abstract: AN APPARATUS FOR IRRADIATING FLOWABLE MATERIAL                 Abstract of the Disclosure The distributing box is sealed with respect to the conveying drum via a sealing groove which is supplied with a barrier fluid.  The sealing groove extends along the bottom edge of the side walls and the base of the distribution box.          In addition, each end of the distributing roller is resiliently mounted and is provided with an annular seal ring which is biased against a side wall of the box.  The annular groove of each seal ring is also supplied with a pressurized barrier fluid to effect a seal.  In addition, at least one passage is provided in a bottom edge of each side wall which extends from a point upstream of the distributing roller to a point down-stream of the roller and on the side facing the roller.
Patent CA-1087511-A (CA)
Inventor: ZINK JOHN S
IPC: F23G7/08
Filed: 1978-03-20
Granted: 1980-10-14
Abstract: ABSTRACT OF THE DISCLOSURE    Apparatus for the injection of steam for the smokeless combustion of waste gases, comprising an annular chamber of substantially the same inner diameter as the top of the flare stack, the chamber mounted on top of the flare stack and extending outwardly a selected radial distance, and vertically a selected height above the top of the flare stack.  Steam is supplied to this annular chamber.  A plurality of circumferentially spaced pipes are provided in the top of the annular chamber and are deflected outwardly in radial planes at selected angles.  There are a plurality of inwardly and upwardly directed orifices for the injection of steam into the flame of the burning gases above the top of the annular chamber as well as to the gases prior to emergence for burning.  Additionally, there may be a plurality of circumferentially spaced radial pipes inserted through the inner wall of the annular chamber in a horizontal plane a selected distance down from the top of the chamber.  These pipes extend toward the axis of the stack and contain a plurality of orifices in the top quadrant of the pipes for the injection of steam into the rising flow of gas at a selected distance upstream of the plane of burning.
Patent CA-1101328-A (CA)
Inventor: BRIGGS EUGENE C
IPC: F23K5/18
Filed: 1978-04-26
Granted: 1981-05-19
Abstract: Serial No.  301,987 HIGH PRESSURE HEATER             ABSTRACT OF THE DISCLOSURE      A portable space heater features a heat shield mounted in concentric spaced relation to, about and to project beyond the outlet from its combustion chamber.  In the preferred embodiment illustrated the combustion chamber has a relatively projected nose cone which defines therewith said outlet and forms an afterburner section. The heat shield defined a lim-ited passage for a contained high velocity flow of air, under pressure, and beyond said outlet and the nose cone as well. The arrangement is such to create a pressure differential between the area of containment at the periphery of the flow and that in the vicinity of the nose cone.  This produces a vortex type movement of air about the nose cone which has a toroidal pattern,  the result of which is to substantially reduce its operating temperature, eliminate a potentially dangerous hot spot and to produce a more balanced distribution of heat.  The heat shield as illustrated in the preferred embodiment has its end adjacent the afterburner section beyond but relatively adjacent its projected extremity.  In con-junction with the foregoing the invention embodiment may include a highly advantageous fuel delivery system including a filter embodying scrubbing means which inhibits the delivery to the combustion chamber of objectionable dirt and solids in the fuel provided for combustion.  A special coupling provided for the drive shafts of the includes fuel pump and air delivery means facilitate the assembly and economical use of the heater unit.
Patent CA-1078772-A (CA)
Inventor: SUMMERS FRANK B JR
IPC: B65G15/62
Filed: 1978-05-02
Granted: 1980-06-03
Abstract: ABSTRACT         A conveyor belt designed especially for conveying particulate material, said belt being provided with a central ribbed portion for tractive engagement with the particulate material, planar portions along its opposite longitudinal edges for extension beneath skirt boards at said edges designed to retain the particulate material on the conveyor belt, and longitudinally extending grooves between the centrally located ribbed portion and the planar portions for receiving the lower edges of skirting fastened to the skirt boards at a level below the level of the surfaces of the planar portions.
Patent CA-1092513-A (CA)
Inventor: LOYD ROBERT W JR
IPC: F02B53/00
Filed: 1978-06-29
Granted: 1980-12-30
Abstract: ABSTRACT A multi-unit rotary combustion engine in which at light loads the engine can be operated on only some of the units with those units having side intake ports and with the other units having peripheral intake ports.
Patent CA-1126920-A (CA)
Title: Method of making polyester elastomer compression  spring and resulting product
Inventor: ANDERSON DAVID G
IPC: B61F5/08
Filed: 1978-09-25
Granted: 1982-07-06
Abstract: ABSTRACT OF THE DISCLOSURE         A preform is made by casting a copolyester polymer elastomer into a block.  While the block is solidifying, pressure is supplied to the central portion thereof.  After a block is formed, it is annealed and a precompression force is applied thereto sufficient to compress the block to an extent greater than thirty percent of the original dimension of the block as measured parallel to the precompression force. In one embodiment a cushioning unit using the block is made by placing a pair of multi-apertured metal plates on opposite sides of the block with projections on the plates extending against the block and applying a second precompression force to the block and plates sufficient to cause the copolyester polymer elastomer to flow into the apertures in the plates and form a mechanical bond between the block and the plates.
Patent CA-1107799-A (CA)
Inventor: LUNEV EVGENY I
IPC: H01J17/48
Filed: 1978-09-28
Granted: 1981-08-25
Abstract: Abstract of the Disclosure A gas-discharge chamber electrode is proposed, comprising a hollow metal member with an emitting portion on the gas-dis-charge side and with coolant pipes.  The hollow metal member is coated on the outside, except for the emitting portion, with a high-temperature dielectric.  The electric system includes at least two such electrodes.  The invention is intended for use, primarily, in designing electric-discharge reactors for plasmochemistry, in laser engineering for electric-discharge lasers with transverse gas flow, as well as in electrophysical engineering.
Patent CA-1125090-A (CA)
Inventor: BREDE UWE
IPC: F42C11/02
Filed: 1978-10-19
Granted: 1982-06-08
Abstract: ABSTRACT OF THE DISCLOSURE:              An electric firing element which is compact and resistant to mechanical stressing comprises a support member formed of an electrically non-conducting material and having formed on the surface thereof a firing resistance forming part of an electric circuit.  The latter comprises at least one electronic component additionally disposed on the support member independently of the firing resistance.
Patent CA-1107966-A (CA)
Title: Production of h.sub.2 and co-containing gas stream and power
Inventor: MCGANN RODNEY
IPC: C10J3/20
Filed: 1978-10-24
Granted: 1981-09-01
Abstract: CO-CONTAINING GAS STREAM AND POWER        (D#73,631-F) ABSTRACT         A free-oxygen containing gas is heated while under pressure in a gas fired pressurized heater and then reacted with a hydrocarbonaceous fuel optionally in the presence of a temperature moderator in the reaction zone of a free-flow partial oxidation gas generator.  The effluent gas stream from the gas generator is cooled, cleaned and optionally purified to produce a H2+CO-containing product gas.  One portion of said product gas is reacted in said pressurized heater with air in order to heat the free-oxygen containing gas going into the gas generator.          Another portion of said product gas is burned with air in the combustor of a gas turbine. The exhaust gas from the combustor is passed through an expansion turbine to produce mechanical power for compressing the free-oxygen containing gas and air used in the system.  The turbine may also drive a turboelectric generator.  At least a portion of the flue gas from the fired pressurized heater may be introduced into the combustor or into the expansion turbine.                             -I-
Patent CA-1088286-A (CA)
Inventor: JUNGESJO HARALD N
IPC: B21D53/28
Filed: 1978-10-26
Granted: 1980-10-28
Abstract: TOOTH FORMING MACHINE                        ABSTRACT         A tooth forming machine disclosed provides high production output and accurately controlled tooth forming due to the provision of equal displacement hy-draulic cylinders which reciprocate die racks on upper and lower base portions connected by a base connecting portion and preloaded deflection control connections. Each cylinder includes a hollow housing, a slidable piston received within the housing, a hollow connecting rod secured to the slidable piston and projecting out-wardly from the housing, and a stationary piston re-ceived within the hollow rod while allowing movement of the slidable piston.  An annular pull chamber and a push chamber of the same cross-sectional area are defined by the cylinder components and alternately fed pressurized hydraulic fluid from a closed loop pump system while fluid from the other chamber is returned to the pump system in order to extend or retract the cylinder and thereby move the associated die rack in one direction or the other.  Each deflection control connection in-cludes a sleeve having opposite ends respectively en-gaged with the upper and lower base portions and a bolt that extends through the sleeve and these base portions as well as a nut that is tightened onto the bolt to pre-load the sleeve.  During movement of the die racks from an end-to-end relationship into an overlapping relation-ship by the equal displacement cylinders, the preloading of the sleeves prevents deflection; between the upper and lower base portions.