baber/WOPTO huggingface dataset:
Patent CA-1203308-A (CA)
Inventor: LEGILLE EDOUARD
IPC: F27D3/10
Filed: 1983-07-11
Granted: 1986-04-15
Abstract: Method and apparatus for controlling the movement of an oscillating spout A B S T R A C T            A method and apparatus for controlling the movement of an oscillating spout is presented wherein uneven distribution of spout discharge material is eliminated or at least substantially reduced by a compensating action of varying the angular speed of rotation of the spout in accordance with the angular position of the spout. The present invention is particu-larly suited for use in conjunction with a charging installation of a shaft furnace, particularly those charging devices having a spout with a cardan suspen-sion system.
Patent CA-1236525-A (CA)
Inventor: ARIMOTO SATOMI
IPC: H03K17/725
Filed: 1983-07-25
Granted: 1988-05-10
Abstract: ABSTRACT OF THE DISCLOSURE         An alternating current limiting type semi-conductor current circuit breaker for a transmission or distribution line system, comprises: a first circuit formed of a transformer and a capacitor which provide a series resonant circuit during steady-state operation of the line system, a second circuit connected in series with the secondary winding side of the transformer and formed by a first resistor and a non-linear resistance element, a third circuit connected in parallel with said first circuit and formed by a series connection of a reactor and a second resistor, and a semi-conductor second switching device connected in series with the parallel connection of said first and third circuits. The non-linear solid-state resistance element is a zinc oxide non-linear type resistance element, the resistance of which is lowered upon occurrence of grounding or the like accident to pro-vide for an increase in the combined impedance of the parallel connection of said first and third circuits for limiting the overcurrent flowing through the current circuit breaker.
Patent CA-1175852-A (CA)
Inventor: SWEENEY WILLIAM A
IPC: C07C57/13
Filed: 1983-08-04
Granted: 1984-10-09
Abstract: ABSTRACT OF THE DISCLOSURE         An improved liquid alkenyl succinic anhydride composition having superior paper sizing properties. There is also disclosed a method for the airing of paper and a method for imparting water-repellency to cellulosic fabrics using the composition of the invention. This invention also provides a process for the preparation of alkenyl succinic anhydride from maleic anhydride and a mixture of straight chain alpha olefins in the C13 to C22 range which comprises separating the alpha olefins into a lower boiling fraction and a higher boiling fraction, isomerizing the higher boiling fraction, recombining the two fractions and reacting them with maleic anhydride.
Patent CA-1227068-A (CA)
Inventor: LEOPARDI FRANCESCO
IPC: G01N15/04
Filed: 1983-08-08
Granted: 1987-09-22
Abstract: Apparatus for measuring the rate of erythosedimentation of the blood.            Abstract In an apparatus for measuring the rate of erythrosedi-mentation of the blood a bell mouthed test tube is provided, having a cylindrical part in which a calibrated and graduated sealing tube, topped with an overflow sleeve for the excess blood, slides.  This overflow sleeve allows an automatic filling with blood of the calibrated tube independently from the care taken in the filling of the tapered test tube.
Patent CA-1223852-A (CA)
Inventor: HAMILTON DOUGLAS D
IPC: B02C21/02
Filed: 1983-09-08
Granted: 1987-07-07
Abstract: A B S T R A C T         Apparatus for reducing to a smaller size residue or debris left behind after a tree processing or harvesting operation wherein the debris is dropped into a vertical assembly having a first reduction stage followed by a second reduction stage and below which there is mounted a fan or other conveyor means for delivering the reduced size particles to a collecting container or other area. Being vertically oriented, there is self feeding from one unit to another and on the initial reduction unit, if desired, other impeller means can be utilized for infeeding the material to the cutters.  The apparatus may be permanently mounted at a suitable location or, alternatively, be mounted on a self-propelled mobile vehicle, movable from one location to another, and towing a trailer having a chip collecting container mounted thereon.
Patent CA-1245045-A (CA)
Inventor: WERLE PETER
IPC: C07C31/24
Filed: 1983-09-26
Granted: 1988-11-22
Abstract: ABSTRACT OF THE DISCLOSURE         Pentaerythritol is treated with a strongly alkaline reacting substance at temperatures ranging approximately from 180 to 220°C.  The pentaerythritol thus treated serves as a costabl-lizer for polyvinyl containing chloride and as such it has excel-lent properties.  Not only can the pentaerythritol thus treated be homogeneously incorporated in polyvinyl chloride without dif-ficulties but it has an effect which is so favourable that the application of a relatively small amount of this costablilzer is sufficient.
Patent CA-1200836-A (CA)
Inventor: PRESLEY DONALD R
IPC: H02P8/14
Filed: 1983-09-30
Granted: 1986-02-18
Abstract: Abstract A circuit (30) for regulating the current level in a pulse width modulated stepper motor drive (10), the circuit (30) comprising a clock (26) for providing a signal output at a preset and predetermined frequency and duty cycle.  A power supply (Vs) supplies current for energizing the windings (A-D) of a stepping motor, the circuit (30) chopping the current and controlling the chop duty cycle to maintain a predetermined current in stepping motor windings (A-D), the chop frequency being directly related to said clock frequency.  The circuit (30) senses the current flowing through the windings (A-D) of the motor, and compares, in a differential amplifier (32), the sensed current to a predetermined current level (Vref).  A sample/hold amplifier (35) samples at predetermined times dependent upon the duty cycle of said clock (26), the output of the differential amplifier (32), the output of said sample/hold amplifier (35) being a signal whose level is related to the difference between the actual sensed current the predetermined current level.  A portion of the circuit 30 (comparator 45, latch 50) having an output signal turned on by a specific clock transition and turned off at a time related to the level of said output signal of said sample/hold circuit, pulse width modulates the chop of the motor current.
Patent CA-1200155-A (CA)
Inventor: EIZENBERG MOSHE
IPC: H01L23/532
Filed: 1983-11-14
Granted: 1986-02-04
Abstract: Abstract Annealing a titanium-rich carbide film deposited on silicon produces, in a single processing step, both a stable titanium silicide contact and a titanium carbide diffusion barrier between the silicide and a subsequently formed overlying layer of aluminum.  Reliable low-resistance contacts to VLSI devices are thereby provided in a cost-effective fabrication sequence.         Other metallization systems, comprising a silicide and a diffusion barrier to aluminum formed in a single processing step, are also described.
Patent CA-1210624-A (CA)
Inventor: MASKASKY JOE E
IPC: G03C1/035
Filed: 1983-11-21
Granted: 1986-09-02
Abstract: SILVER HALIDE EMULSIONS AND PHOTOGRAPHIC ELEMENTS          CONTAINING COMPOSITE GRAINS           Abstract of the Disclosure Radiation-sensitive emulsions and photo-graphic elements incorporating these emulsions are disclosed.  In the emulsions silver halide host grains of a face centered cubic rock salt type crystal structure are present.  Nonisomorphic silver salt of areally limited epitaxial compatibility is located on and substantially confined to selected sites of the host grains.
Patent CA-1251880-A (CA)
Inventor: DUBE MICHEL
IPC: C08L77/00
Filed: 1983-12-06
Granted: 1989-03-28
Abstract: SUBSTANTIALLY HOMOGENEOUS POLYMER SOLUTION IN TERTIARY AMINE N-OXIDE AND PROCESS FOR DIRECTLY EXTRUDING SAME INTO NON-SOLVENT BATH     ABSTRACT OF THE INVENTION     A new and useful substantially homogeneous  extrudable solution of a base material, e.g., cellulose, is disclosed, comprising (a) a predetermined amount of each of two or more tertiary amine oxides, each of which is in a known state of hydration and each having a known melting point, to form an initial mixture, the tertiary amine oxides selected from the group consisting of N,N,N-triethylamine N-oxide; N,N-dimethyl-cyclohexylamine N-oxide; N-methylmorpholine N-oxide; N-methyl-piperidine N-oxide; N-methylhexamethyleneimine N-oxide;          N,N-dimethylbenzylamine- N-oxide; and N,N-dimethylethanolamine N-oxide, said amount of each sufficient to depress the melting point of the initial mixture below the melting point of each of said tertiary amine oxides in their known state of hydration and to form said liquid; (b) a predetermined amount or a base material added to said initial liquid mixture, the base material selected from the group consisting of suitable water soluble polymers, nylon, cellulose and other polysaccharides, and (c) water, including but not necessarily limited to the hydrated water above, whereby the amount or initial mixture or tertiary amine oxides (a) is sufficient to dissolve the base material and to  form a substantially homogeneous extrudable solution, and the amount of water (c) is just sufficient to provide the dissolved I     base material with a predetermined melting point.  Preferable combinations of tertiary amine oxides include N-methylmorpholine N-oxide ("NMO" or "NMMO") and N,N-dimethylethanolamine N-oxide ("DMEAO"); NMO and N,N-dimethylcyclohexylamine N-oxide ("DMCAO"); and DMCAO and DMEAO.  The novel substantially homogeneous extrudable solutions find particular utility in that they may be directly extruded into non-solvent baths to avoid significant mechanical  problems of air gap spinning and to avoid significant cellulose/base material degradation inherent in prior art techniques because of exposure to high temperatures; at the same time the process of the instant invention reduces energy costs.          After extrusion, the base material extrudate, e.g., cellulose base material, may be dried in normal fashion to produce a novel product, e.g., membranes.     II
Patent CA-1208716-A (CA)
Inventor: SARI HIKMET
IPC: H03H21/00
Filed: 1984-02-02
Granted: 1986-07-29
Abstract: ABSTRACT:          "An auto-adaptive amplitude-equalizing arrangement for digital radio links."           An auto-adaptive amplitude-equalizing arrangement for digital radio links comprises, connected in series, an intermediate-frequency signal input, a transversal filter and a device for the control of this filter. The transversal filter comprises a delay circuit providing, with respect to the intermediate-frequency signal input, a delay T equal to (2k-1)/4Fc, where k is a positive integer and Fc the centre frequency of the intermediate-frequency signal, a first and a second multiplication circuit whose inputs are respectively connected to the output of the delay circuit and to the intermediate-frequency signal input, and an adder connected to the outputs of the multiplication circuits, and by the fact that the first multiplication circuit may be an analog amplifier whose gain is controlled by the control device, or maybe  a circuit comprising a fixed-gain amplifier and a digitally controlled attenuator, the control inputs of this attenuator being connected to the count outputs of an up/down-counter, which is controlled by a zero comparator connected to the output of the control device.
Patent CA-1248920-A (CA)
Inventor: FESSLER HERMAN S
IPC: B67D1/00
Filed: 1984-03-09
Granted: 1989-01-17
Abstract: ABSTRACT OF THE DISCLOSURE   A beverage dispensing station has a chassis mounted on a panel of a dispensing machine, a dispensing head on the chassis, dispensing actuators mounted on the panel, selector buttons mounted to the panel and pivotally suspended on a horizontal axis hinge with there being one button for each actuator, a bracket on the chassis which has a ledge for restraining the buttons and a flange for flow controls and a clamp for beverage lines, and a cover removably mounted to the chassis; the cover is removable for access to the flow controls and the bracket is forwardly deflectable for releasing the buttons and enabling removal of valve elements from the preferred actuator which is a pneumatic valve.
Patent CA-1179936-A (CA)
Inventor: BROCKLEHURST CHARLES E
IPC: B26D1/00
Filed: 1984-03-16
Granted: 1984-12-27
Abstract: SHEET PRODUCTION SYSTEM WITH HEM EXPANDER            ABSTRACT OF THE DISCLOSURE      Disclosed is a method of cutting and hemming sheet material, the steps of moving sheet material along its length from a supply into a cutting station, clamping the leading and trailing portions of the segment of sheet material in the cutting station against a first pair of parallel conveyor tapes, cutting the segment of sheet material in the cutting station away from the supply, moving the cut segment of sheet material parallel to its cut edges with the parallel conveyor tapes out of the cutting station, progressively folding at least one of the cut edge portions of the cut segment of sheet material upwardly onto a plat-form over the cut segment of sheet material as the cut seg-ment is moved parallel to its cut edges, holding the cut edge portion on the platform from movement in a direction across the length of its cut edges, moving the body portion of the cut segment of sheet material toward the fold in the sheet material, directing a flow of fluid beneath the platform toward the fold to expand the folded portion of the sheet material, continuing the movement of the segment parallel to its cut edges so as to progressively move the cut edge portion off the platform, and sewing through the folded over edge portion and the body portion of the sheet material to form a hem in the sheet material.
Patent CA-1215553-A (CA)
Inventor: FRANCESE RENATO
IPC: A01N47/18
Filed: 1984-03-28
Granted: 1986-12-23
Abstract: A B S T R A C T The description, relates to heterocyclic com-pounds having weed-killing activity and defined by the following general formula:                                           (I) where R is a straight-chain or branched alkyl group with 1 to 6 carbon atoms or the phenyl group, R1 is a straight-chain or branched alkyl group with 1 to 10 carbon atoms (substituted if required by halide, or phenyl group), an alkenyl group, an alkynyl group, a cycloalkyl group, or the phenyl group.
Patent CA-1221453-A (CA)
Inventor: SONODA MASAKAZU
IPC: H04N5/782
Filed: 1984-04-06
Granted: 1987-05-05
Abstract: AN APPARATUS FOR RECORDING VIDEO SIGNAL                      ABSTRACT OF THE DISCLOSURE         In an apparatus having a record mode for recording video or other information signals in successive parallel information tracks on a record tape by means of a plurality of rotary heads repeatedly scanning across said tape and having respective gaps with different azimuth angles, and in which the apparatus is changeable to a playback mode for causing each of said heads to provide a respective output when it is scanning an information track in which inform-ation signals have been previously recorded by a head with a gap having the same azimuth angle; clogging of one or more of the head gaps which would prevent further recording is detected, in the playback mode, by switching from one to another of the outputs of the heads during each period required for the scanning of the tape by each of the heads, detecting the levels of the head outputs during such switching therebetween, and operating a clog indicator when the detected levels of the head outputs are insufficient during the scanning of the tape by each of the heads.  In order to avoid a false clog indication, the operation of the clog indicator is inhibited when the usual fixed head does not reproduce control signals in the playback mode, for example, as when there has been no previous recording of information signals on the record tape.
Patent CA-1271757-A (CA)
Inventor: CANTATORE GIUSEPPE
IPC: C08K5/00
Filed: 1984-05-01
Granted: 1990-07-17
Abstract: Use of dipiperidine-ti-carbamates as stabilisers for synthetic polymers Abstract of the Disclosure The use of piperidine compounds of the formula   as light stabilisers, heat stabilisers and oxidation stabilisers is described.
Patent CA-1216002-A (CA)
Inventor: NISHIKAWA EIICHIRO
IPC: C07C47/02
Filed: 1984-05-01
Granted: 1986-12-30
Abstract: ABSTRACT OF THE DISCLOSURE           The invention relates to a process of producing a carbonyl compound by dehydrogenating a linear alphatic alcohol of 1 to 6 carbon atoms in the gas phase in the presence of a solid catalyst comprising a ruthenium catalyst supported on a carrier such as zinc oxide or magnesium oxide.
Patent CA-1217503-A (CA)
Inventor: COSTE CAMILLE
IPC: C09K5/00
Filed: 1984-06-14
Granted: 1987-02-03
Abstract: The invention has for its object an improved method of performing gas-solid reactions. The method is characterized in that there is added expanded graphite of a volumetric mass between 0.001 and 0.02 g/cm3 to the reactive medium and in such quantity that it constitutes from 1 to 60% of the quantity of reactant solid present in the medium. The method makes it possible to improve the rate of the gas-solid reactions, as well as their stoichiometric characteristics, particularly in the case of reversible reactions.
Patent CA-1214873-A (CA)
Inventor: BEARD TERRY D
IPC: G11B7/003
Filed: 1984-08-03
Granted: 1986-12-02
Abstract: METHOD AND APPARATUS FOR SOUND TRACK REPRODUCTION    ABSTRACT OF THE DISCLOSURE    The  locally  averaged  or  approximate  D.C.  value  of  a variable  area  optical  sound  track  on  a  film  is  first determined, and this information is then used to control the width of a scanning slit at a playback station.  The scanning slit width  is  reduced for small signals and increased for large signals, thereby reducing the amount of non-information bearing area on the film which is included in the scanned area.  This in turn reduces the amount of noise from dirt and debris in the non-information bearing area, and by reducing the total amount of light transmitted through the film also lowers  the  level  of  quantum noise  from the  photodetector employed at the playback station.
Patent CA-1219655-A (CA)
Inventor: PEARSON WILLIAM S
IPC: F04B41/06
Filed: 1984-08-08
Granted: 1987-03-24
Abstract: ABSTRACT         A compensating device which includes a weighted lever adapted to be selectively disposed in restraining relation to a trip arm of an electrical switch controlling member responsive to head pressure in a reservoir main for cutting in or cutting out reservoir filling pumps, and operating for selectively delaying pump cut-out.
Patent CA-1219967-A (CA)
Inventor: BUSSMANN EGON
IPC: H01L21/3115
Filed: 1984-08-09
Granted: 1987-03-31
Abstract: ABSTRACT     A limit is placed on the miniaturization of the field oxide structures in the manufacture of semiconductor layer arrangements due to the length of the thick oxide bird's beak.          The diffusion of oxidizing agent is suppressed according to the invention by means of a thin diffusion barrier of silicon nitride which also produces no crystal faults in the desired temperature range.  The natural oxide on the silicon wafers is also converted into a diffusion barrier as required by means of nitrogen implantation and/or special process management in the nitride deposition.
Patent CA-1243877-A (CA)
Inventor: OBA HIDEAKI
IPC: G11B7/2472
Filed: 1984-09-13
Granted: 1988-11-01
Abstract: ABSTRACT    An optical information recording medium being capable of effecting recording and regeneration by using laser beam which comprises a transparent or opaque substrate and a thin film recording layer, formed on said substrate, said recording layer containing a cyanine coloring matter represented by the following formula:                 (wherein, R1, R2 and R3 may be the same or different, each of them stands for an alkyl group having 1 - 6 carbon atoms, X stands for halogen, and Z stands for a superhalogenic ion, a paratoluene sulfonic ion or an alkylsulfuric ion).
Patent CA-1224301-A (CA)
Inventor: WESALA ROBERT J
IPC: B29C33/60
Filed: 1984-10-24
Granted: 1987-07-21
Abstract: Abstract Water based mold release agents and means for their application are provided.  The release agents are used in coating molds for forming high resilience (HR) open-cell foamed plastics especially those known as HR seating foams. The release agents which contain lithium soap and polyol ester, give excellent performance with respect to ease of release,  prevention of residual build-up, and mold and part cleanability.  A key feature is that the release agents uniquely provide an open-cell foam surface in the resulting molded articles so that the same have high resilience.
Patent CA-1258074-A (CA)
Inventor: PETROCINE DAVID V
IPC: C07D401/04
Filed: 1984-11-05
Granted: 1989-08-01
Abstract: PREPARATION OF SUBSTITUTED AND UNSUBSTITUTED                  ABSTRACT OF THE DISCLOSURE The invention provides a process for the preparation of substituted and unsubstituted 2-carbamoyl nicotinic and 3-quinolinecarboxylic acids.
Patent CA-1240195-A (CA)
Inventor: KUHN JOHN B
IPC: A01B33/12
Filed: 1984-11-27
Granted: 1988-08-09
Abstract: ROTARY TILLER Abstract of the Disclosure A rotary tiller having a housing defining a hydraulic fluid reservoir and rotatably support a tine shaft.  A hydraulic motor is mounted to the housing in driving communication with the tine shaft.  A pump unit is remotely located on an associated tractor.  The reservoir received spent hydraulic fluid from the motor, cools the fluid, and surrenders the cooled fluid to the pump unit.
Patent CA-1249406-A (CA)
Inventor: ZWICK MAURICE M
IPC: B01D69/00
Filed: 1984-11-28
Granted: 1989-01-31
Abstract: ABSTRACT OF THE DISCLOSURE          A process for preparing a porous, asymmetric membrane which comprises extruding a liquified film-forming polymer through an annular die to form a tubular film having an internal surface (A) and an external surface (B), said liquified polymer being ob-tained by use of a polymer solvent alone or in conjunction with one or more melt assistant; biaxially orientating said film while exposing said film to vaporous conditions such that said two sur-faces (A) and (B) each receive vapor treatments which differ from one another in at least one condition of temperature chemical com-position to provide one dense biaxially oriented surface and one less dense, porous surface.  Such a porous, asymmetric polymer membrane having two surface one of which is denser than the other, said surfaces being biaxially oriented said membrane exhibiting a porosity gradient across its thickness with void spaces generally decreasing in at least one of size and number in the direction of the denser surface, and the density of said denser surface being such that the permeability/impermeability characteristics effect chemical separations.
Patent CA-1188947-A (CA)
Inventor: HUBERT CLAUDETTE
IPC: A61J17/00
Filed: 1984-11-28
Granted: 1985-06-18
Abstract: MUSICAL PACIFIER            ABSTRACT OF THE DISCLOSURE         A musical pacifier comprising a mouthpiece having a single portion, a casing is secured to the mouthpiece for housing an electronic programmed circuit capable of generating signals to produce a musical tune.          Sound generating means is associated with the circuit to audibly reproduce the signals.  Switch means is provided to actuate the electronic programmed circuit.
Patent CA-1255555-A (CA)
Inventor: MELCHIOR JEAN
IPC: F02B37/16
Filed: 1985-01-21
Granted: 1989-06-13
Abstract: IMPROVEMENTS IN SUPERCHARGED INTERNAL COMBUSTION ENGINES HAVING A   BYPASS CONDUIT AND AN AUXILIARY COMBUSTION CHAMBER WHICH ARE    PROVIDED WITH A REGULATING SYSTEM                      ABSTRACT OF THE DISCLOSURE       An internal combustion engine (1), supercharged by a turbo-compressor (3), comprises a bypass conduit (11) in which is placed an auxiliary combustion chamber (14).  The primary zone (13) of  this chamber (14) receives fuel whose flow is determined by regulating means (20).  These means (20) vary this flow in the same direction as a parameter which is a characteristic of the load of the engine (1), in particular the temperature of the gases measured in the exhaust of  the engine (1) by a sensor (22).