baber/WOPTO huggingface dataset:
Patent CA-1087896-A (CA)
Inventor: FRIEDMAN HARVEY S
IPC: G03B17/52
Filed: 1977-08-15
Granted: 1980-10-21
Abstract: FILM DEFLECTION SYSTEM FOR SELF DEVELOPING CAMERA   Abstract of the Disclosure A self-developing camera utilizes a fixed cam surface and a resilient deflector strip to introduce a local longitudinal bend in a film unit as it proceeds over a relatively short portion of a film processing path from the nip of a pair of processing rollers to an exit slot.  The deflector strip is secured near the end of the cam surface adjacent the exit slot with a free edge positioned to intercept the film unit proceeding from the rollers across the cam surface.  The strip itself deflects upon engagement with the film unit to exert a spring force that produces in the film unit the local longitudinal bending which enhances distribution of a fluid photoprocessing composition within the film unit over its entire image-forming photosensitive area and in a layer of generally uniform thickness.  The strip, however, is spaced sufficiently from the rollers and is sufficiently resilient so that it does not impede the ejection, through the same processing path, of a relatively stiff'dark slide which is packaged with the film units for protection and optical shielding prior to exposure.
Patent CA-1102491-A (CA)
Inventor: HARTWIMMER ROBERT
IPC: C08F16/00
Filed: 1977-08-30
Granted: 1981-06-02
Abstract: Abstract of the disclosure The invention relates to a process for the copolymerization of tetrafluoroetbylene with fluorinated alkylvinyl ethers of the formula XCF2-(CF2)n-O-CF=CF2 wherein X is H, C1 or F, and n is 1 to ?, in the presence of hexafluoropropene, and the thermoplastic terpolymers so obtained. The copolymerization may be carried out according to the suspen-sion process or the emulsion process in liquid phase in the pre-sence of liquid chain transfer agents . In the presence of hexa-fluoropropene, the amount of fluorinated alkylvinyl ethers incor-porated is considerably increased.  The terpolymers in accordance with this invention are distinguished by a number of interesting properties.
Patent CA-1114111-A (CA)
Title: Method and apparatus for continuously processing  various kinds of cloth materials in a high pressure  steamer for multipurpose treatments
Inventor: SANDO YOSHIKAZU
IPC: D06B17/00
Filed: 1977-09-16
Granted: 1981-12-15
Abstract: ABSTRACT OF THE DISCLOSURE The disclosure describes a method of processing cloth material in a high pressure steamer on a continuous basis. The method comprises feeding the cloth material con-tinuously into the steamer body having hot, humid and pressur-ized atmosphere, constraining the cloth material by an arrange-ment  of guide members to follow an inwardly directed generally spiral path within the steamer body, only one side of the cloth material contacting the guide members, reversing the direction of travel of the cloth material in the region of the centre of the spiral by means of reversing guide members, constraining the cloth material by an arrangement of further guide members to follow an outwardly directed generally spiral path, only the other side of the cloth material contacting the further guide members, and then continuously feeding the cloth material out of the steamer body. Also described is an apparatus comprising a streamer having inlet and outlet open-ings, means sealing the inlet and outlet openings whilst allowing cloth material to be treated to pass therethrough, an arrangement of guide members and further guide members within the steamer respectively defining two interwound generally spiral paths and reversing means in the region of the centre of the two spiral paths. With this apparatus a cloth material may be fed into the steamer body through the inlet opening, constrained to follow an inwardly directed generally spiral path by the guide members whilst only one side of the cloth material contacts the guide members, have the direction of travel reversed by the reversing means, constrained to follow an outwardly directed generally spiral path by the further guide members whilst only the other side of the cloth material contacts the further guide members and finally is fed out of the steamer body through the outlet opening.
Patent CA-1076421-A (CA)
Inventor: HUNTER WILLIAM K
IPC: B01D53/72
Filed: 1977-10-12
Granted: 1980-04-29
Abstract: ABSTRACT OF THE DISCLOSURE           Industrial fumes or waste gases containing combustible noxious materials are preheated and passed upwardly through a bed of particulate oxidation catalyst comprising chromic oxide on alumina or other suitable inert support.  Catalytic com-bustion of the combustible materials is effected, and the pollutant-free gas is discharged to the atmosphere.  The particle  size or the catalyst is relatively coarse, and the gas velocity is sufficient to agitate or fluidize the bed.          The hardness of the catalyst is such that only limited attrition occurs, which assists in keeping the catalyst surface clean, and the catalyst loss in the effluent gas is less than one pound per million standard cubic feet of gas treated.
Patent CA-1099018-A (CA)
Inventor: IINUMA KAZUMOTO
IPC: G06T9/00
Filed: 1977-10-21
Granted: 1981-04-07
Abstract: Abstract of the Disclosure A system carries out predictive encoding or decoding by selecting a prediction signal for a longer period among two or more prediction signals at the beginning of an autocorrelated signal to be encoded or of a prediction error signal to be decoded.  At least one of the prediction signals may be a composite prediction signal.  A sampling interval after each instant at which the prediction error signal exceeds in absolute value a threshold level, the encoding or decoding is carried out with the prediction signals switched from one to another.  A control circuit for two prediction signals comprises a two-input Exclusive OR gate supplied with a result of comparison of the prediction error signal with the threshold level and a sample delay supplied with the Exclusive OR output.  The delayed signal is supplied back to the Exclusive OR gate and forward to a switch for switching the prediction signals.
Patent CA-1090006-A (CA)
Inventor: FEIST WOLFGANG M
IPC: H01L21/762
Filed: 1977-12-02
Granted: 1980-11-18
Abstract: SEMICONDUCTOR STRUCTURES AND METHODS FOR MANUFACTURING SUCH STRUCTURES            Abstract of the Disclosure Semiconductor integrated circuit structures and manufac-turing methods wherein isolation grooves are etched into a semiconductor body by first bringing an anisotropic etchant in contact with portions of the surface of the body which are exposed by windows formed in an etch-resistant mask to form grooves with side walls which intersect the surface at acute angles.  Next, an isotropic etchant is brought in contact with the walls of the etched grooves to remove portions of the body which are underneath the etch-resistant mask such that the mask extends over the side walls of the resulting grooves, the bottom walls of such grooves are disposed under the windows and the side walls maintain acute angle intersection with the surface.  Junction isolation regions are formed by ion implanting particles into the bottom walls of the grooves, the mask shielding the side walls from such particles.  This self-aligning process accurately controls the placement o-f the junction isolation regions and thereby reduces the depth required for the grooves in providing dielectric isolation. Because the grooves have side walls which intersect the surface at acute angles, and because the grooves are relatively shallow because of the addition of accurately placed junction isola-tion regions, subsequent metallization processing is more readily controllable.
Patent CA-1081502-A (CA)
Inventor: BOHLIN KARL G
IPC: D21B1/24
Filed: 1977-12-23
Granted: 1980-07-15
Abstract: ABSTRACT OF THE DISCLOSURE        A method of measuring, during operation, the degree of sharpness of the grindstones in a wood pulp grinding machine of the type where one motor drives two gindstones, each having two  or more pockets for loading timber.  The momentaneous power of the motor is measured at least twice under different operating conditions, e.g. when the piston is one pocket is retracted for adjustment or loading.  The method makes it possible to control the process better and sharpen the stones at more optimal times.
Patent CA-1068652-A (CA)
Inventor: BACHAND PIERRE
IPC: A47B96/06
Filed: 1977-12-30
Granted: 1979-12-25
Abstract: A B S T R A C T          A connector is readily assembled to, and disassembled from, a box-shaped channel or guideway for the construction of knockdown furniture, shelving and the like.  The box-shaped channel is a standard extrusion formed by a back wall, side walls and two inwardly directed flanges which taper towards a central slot.  The connector includes a base member having flat terminal portions, of uniform thickness, and wedgingly engageable with the tapered flanges upon rotation of the base member about a central rotational axis perpendicular to the back wall of the channel.  Thus, the base member is firmly held in any position longitudinally of the channel.
Patent CA-1091576-A (CA)
Inventor: HILL HAROLD J
IPC: C09K8/58
Filed: 1978-03-13
Granted: 1980-12-16
Abstract: ABSTRACT       A process for recovering oil by successively injecting at least a chemical slug containing an active aqueous surfactant system or thickened aqueous liquid and an aqueous drive liquid into a reservoir having a significant amount of ion exchange capacity, is improved.  The ionic composition of each injected fluid is arranged to provide a ratio, between the concentration of its effectively predominate monovalent cation and the square root of the concentration of its effectively predominate divalent cation, which ratio at least substantially equals such a ratio within the aqueous fluid immediately ahead of the injected fluid.
Patent CA-1104071-A (CA)
Title: Frein a tirage central pour cycles et similaires
Inventor: LAUZIER RENE
IPC: B62L1/16
Filed: 1978-03-13
Granted: 1981-06-30
Abstract: Les deux branches de ce frein sont montées pivotantes sur des axes qui,inclinés par rapport au plan médian de la jante et concourant en un point situé dans ce plan,vont en divergeant dans la direction d'avancement de la jante.
Patent CA-1109560-A (CA)
Inventor: T LAM HENDRIK
IPC: G02B7/28
Filed: 1978-03-15
Granted: 1981-09-22
Abstract: ABSTRACT:              An apparatus is described for reading a record carrier with an optical information structure, which apparatus comprises an astigmatic focussing error detection system, said detection system com-prising an astigmatic element and a radiation-sensi-tive detector which comprises four sub-detectors.          By arranging the dividing lines between the sub-detectors parallel to and perpendicularly to the effective track direction respectively and at an angle of 45  with the astigmatic focal lines, it can be avoided that the focussing error signal is affected by a movement of the radiation spot formed on the record carrier in n direction transverse to the track direction.
Patent CA-1109187-A (CA)
Inventor: MARANO RICHARD S
IPC: C08K5/00
Filed: 1978-04-27
Granted: 1981-09-15
Abstract: CURING SYSTEM FOR NATURAL RUBBER               ABSTRACT OF THE DISCLOSURE            A process is disclosed for preparing natural rubber compounds suitable for high temperature mechanical purposes which comprises the steps:  (A) dispersing urethane cross-linker in the rubber at a temperature up to about 125°C and (B) solubilizing at a temperature of about 90-110°C in the dis-persion of (A) a sulfur efficient vulcanization component which comprises a sulfur accelerator which is a catalyst for the urethane crosslinker.  During step (A), (i) reinforcing filler, (ii) antioxidant and (iii) metal oxide activator, e.g. zinc oxide are advantageously added.  Rubber soluble metal soaps are also preferably added during (A).  During step (B), (i) rhombic sulfur or sulfur-donor or combinations thereof, (ii) sulfur accelerator which is a catalyst for the urethane crosslinker and (iii) sulfur delayed action accelerator are added in amounts and in a way that permits solubilization of the sulfur efficient vulcanization component in the dispersion obtained in step (A).  Thereafter, curing at temperatures in a range of about 140°-180°C effects essentially reversionless modulus in about 10-30 minutes.
Patent CA-1122323-A (CA)
Inventor: BOSCHUNG MARCEL
IPC: E01F11/00
Filed: 1978-05-01
Granted: 1982-04-20
Abstract: ABSTRACT OF THE DISCLOSURE:        A device for producing an early warning signal when there is a danger of ice forming on a road surface, comprising a temperature sensor for determining the ambient temperature, a sensor unit for determining the temperature and moisture of the road surface, a heatable sensor unit having a heating element and a moisture-measuring gap, and comparators for comparing the voltages supplied by the temperature sensors and the moisture sensors with reference voltages, comprises in addition thereto a sensor unit having a further moisture-measurement gap, one or more elements for alternately cooling or heating this further moisture-measurement gap, and a tem-perature sensor for determining the temperature of this further moisture-measurement gap, as well as signal generators generating signals in response to the output signals of the comparators for indicating whether the road surface is dry, wet, or icy.  The early warning signal is reliably given in advance of actual ice-formation solely as a function of the road surface temperature and of the condition of the moisture sensors.  The response thresholds of those comparators which are associated with the moisture sensors are preferably varied as a function of the road surface temperature in order to allow for the influence exerted on the freezing point by thawing agents spread on the road surface.
Patent CA-1099705-A (CA)
Inventor: MASI PAOLO
IPC: A61P31/04
Filed: 1978-05-02
Granted: 1981-04-21
Abstract: G.389 ABSTRACT OF THE DISCLOSURE Daunomycin derivatives of the formula;       wherein R1 is a lower alkyl having from 1 to 4 carbon atoms and R is a hydrogen atom or a trifluoroacetyl group are useful in treating certain mammalian tumors.
Patent CA-1093889-A (CA)
Inventor: GRIFFIN ROBERT M
IPC: A01B35/26
Filed: 1978-05-05
Granted: 1981-01-20
Abstract: ABSTRACT OF THE DISCLOSURE        A coupling for attaching a sweep shovel to a cultivator shank including an adapter block rigidly affixed to the shank with the shovel and adapter block including transverse aperture arrangements for receiving fast-ening devices with selective arrangement of the fastening devices and apertures enabling the angle of attack of the sweep shovel to be adjusted depending upon the soil conditions and the requirements of individual users.
Patent CA-1084751-A (CA)
Inventor: ILOMONIEMI ERKKI
IPC: D21F1/00
Filed: 1978-06-27
Granted: 1980-09-02
Abstract: ABSTRACT OF THE DISCLOSURE        The present invention provides means for damping pressure and consistency disturbances in the pulp suspension flow going to the headbox of a paper machine, comprising a damping tank to re-ceive a pulp stock flow having a free interface with an enclosed air volume, the pulp stock flow being carried into this tank by means of a distribution header and conducted out therefrom by means of a collecting header according to a plural delay principle causing attenuation of consistency perturbations at least, said distribution header and said collecting header being disposed within the damping tank and passages constituting the distribution header and the collecting header open through a substantially continuous slit into the pulp stock space of the damping tank.
Patent CA-1117427-A (CA)
Inventor: SEKI KAZUICHI
IPC: F03D7/02
Filed: 1978-07-07
Granted: 1982-02-02
Abstract: VERTICAL AXIS WIND TURBINE          ABSTRACT OF THE DISCLOSURE    Wind turbines are largely divided into vertical axiw wind turbines and propeller (horizontal axis) wind turbines.  The present invention discloses a vertical axis high speed wind turbine provided with rotational speed control systems.  This vertical axis wind turbine is formed by having blades of a proper airfoil fitted to respective supporting arms provided radially from a vertical rotating shaft by keeping the blade span-wise direction in parallel with the shaft and being provided with aerodynamic control elements operating manually or automatically to control the rotational speed of the turbine.
Patent CA-1094353-A (CA)
Inventor: VANSLETTE ROBERT A
IPC: F16H19/02
Filed: 1978-10-24
Granted: 1981-01-27
Abstract: A linear actuator for converting rotary motion to linear motion in-cluding an elongated rotary threadless shaft and a rider assembly mounted for move-ment axially of the shaft and carrying rollers mounted for rotation about their respective axes with their surface in frictional contact with the shaft.  The roller's axes are disposed at an acute angle with respect to the shaft so that as the shaft is rotated, the rider assembly will move along the shaft and carry with it such parts to which it may be attached.
Patent CA-1122503-A (CA)
Inventor: EBERSOLE RICHARD C
IPC: G01N33/543
Filed: 1978-10-31
Granted: 1982-04-27
Abstract: ABSTRACT OF THE DISCLOSURE         The presence of a particular immunochemically reactive substance in a biological fluid can be determined using immune  reagents tagged with particules which have characteristics capable of affecting electrical reactance.
Patent CA-1099821-A (CA)
Inventor: YESTER FRANCIS R JR
IPC: H01L23/12
Filed: 1978-10-31
Granted: 1981-04-21
Abstract: ABSTRACT     An RF power transistor device, or package, which includes a transistor, a capacitor, an electrically insulat-ing but thermally conducting substrate, a metallic ground lead member on the substrate having input output and common portions, a heat sink on which the substrate is mounted and, input and output microstrip conductor means mounted on the heat sink has the common lead inductive effect of at least one component of common lead inductance of the transistor reduced by tightly coupling the input ground current and the input current as by a film of dielectric material such as Kapton ? or Teflon ? of about one half mil in thickness.  Alternatively the output current and the output ground current may be tightly coupled.
Patent CA-1094881-A (CA)
Inventor: BAIN LAWRENCE J
IPC: B41F7/04
Filed: 1978-10-31
Granted: 1981-02-03
Abstract: IMPACT DAMPING OF PRINTING CYLINDERS                   Abstract of the Disclosure A printing press provides a pair of cylinders mounted for rotation about parallel axes.  At least one of the cylinders carries  a member  wrapped  thereon  having  circumferentially spaced  edges  defining  a gutter.   When  the cylinders  are rotated, an impact is generated when the gutter juxtaposes the adjacent cylinder thereby generating oscillatory movement in at least one of the cylinders.  An impact damper mechanism is provided  for minimizing  the amplitude of all oscillations occurring  after  the gutter moves out of  the nip and  for rapidly degrading the following oscillations.
Patent CA-1138043-A (CA)
Inventor: MATSON WAYNE R
IPC: G01N27/49
Filed: 1979-01-08
Granted: 1982-12-21
Abstract: ABSTRACT OF THE DISCLOSURE An electrochemical measuring system which effects, measures and sorts charge transfer reactions of selected substances in a sample solution is provided.  The system includes a novel electrode which is adapted to measure simultaneously on at least two elec-trodes at least two electrolytic potentials with reference to a reference potential.  In a preferred form the electrode comprises a hollow, cylindrical body formed of an electrically insulating material.  The electrode is open at least at one end and has a gen-erally smooth cylindrical inner surface.  A plurality of electrically discrete active electrode segments are mounted on the inner sur-face of the electrode with their active surfaces substantially flush with the generally smooth cylindrical inner surface.  Com-pleting the electrochemical measuring system are a stirring means for creating a relatively high degree of mixing adjacent the electrode active surfaces, means for charging liquid samples to the cell, and means connecting at least two of the electrically discrete active electrode segments to different electrical potentials.  In use a sample to be tested is charged to the cell, and stirring is commenced.  One of the electrically discrete active electrode segments is held at a potential at which a selected substance of interest and also one or more interferring substances responds, while another of the electrode segments is held at a potential at which only the interferring substances respond.  The presence of a substance of interest can be determined by subtracting the signals from the one and another electrode segments, and its quantity determined by integrating the signal difference.
Patent CA-1103604-A (CA)
Inventor: SEGAFREDO ANDRE J J
IPC: B61B12/06
Filed: 1979-01-31
Granted: 1981-06-23
Abstract: ABSTRACT OF THE DISCLOSURE:     The safety device detects the derailment of the cable and/or the loss of one or more sheaves of a rocker supporting the cable.  It includes a cross-piece which extends over the side-plates of the rocker and is prolonged laterally to form a component for catching the derailed cable.  An appendix can form a temporary support for the cable when a sheave is lost.  The pivoting of the cross-piece cuts the safety-line conductor.  The device can be applied to a gondola lift.
Patent CA-1092348-A (CA)
Inventor: MUNSCHY DOROTHY G
IPC: A43B3/26
Filed: 1979-02-15
Granted: 1980-12-30
Abstract: ABSTRACT         Improved footwear comprising a flexible cover component for a human foot including a sole portion, an upper portion integrally related with the sole portion including a toe section for defining a cavity adapted to receive a human foot, a pair of side sections extended rearwardly from the toe section, a heel tab integrally related to the rearward section of the sole portion and extended upwardly therefrom for confining the heel of the foot, and a flexible binder component for securing the cover component about the foot including a strap united with the heel tab and adapted to be united with the toe section employing Velcro fasteners and the like.
Patent CA-1093957-A (CA)
Inventor: STOVEKEN F RAYMOND
IPC: B26D1/02
Filed: 1979-03-01
Granted: 1981-01-20
Abstract: ABSTRACT OF THE DISCLOSURE            Apparatus for severing sheet material by a cutter device that is mounted upon a rail assembly for reciprocating movement.  The rail assembly includes a channel member with an outwardly extending guide rail.  A separate cutter bar is supported on the guide rail and extends longitudinally above the guide rail.  A carriage is mounted on the guide rail for reciprocating movement and includes dual rollers which engage opposite sides of the cutter bar.  The carriage is held against the guide rail by a pressure roller which engages the inner side of the guide rail.  The pressure roller includes an adjustable mounting arrangement for adjusting the force that clamps the carriage against the guide rail.  One of the dual rollers has a dull edge which engages the cutter bar while the other dual roller has a sharp edge to sever the paper or other sheet material as the carriage moves longitudinally of the cutter bar.
Patent CA-1101695-A (CA)
Inventor: SPAETGENS THEODORE W
IPC: F16F15/16
Filed: 1979-03-09
Granted: 1981-05-26
Abstract: ABSTRACT OF THE DISCLOSURE           A viscous torsional vibration damper is provided for a rotatable shaft.   A hub is attachabe to the shaft. A housing is connected to the hub and has an internal cham-ber.  An inertia disc is within the chamber and a fluid damping medium is placed between the inertia disc and the housing.  A first set of springs for tuning the damper are connected between the housing and the hub and a second set of springs for tuning the damper are provided between the disc and the housing.