baber/WOPTO huggingface dataset:
Patent CA-1154321-A (CA)
Inventor: BACSIK GEORGE J
IPC: F02C6/18
Filed: 1981-04-10
Granted: 1983-09-27
Abstract: ABSTRACT OF THE DISCLOSURE        The invention relates to a method of operating a furnace with gas turbine exhaust as preheated combustion air, in which a gas seal is used.  The gas seal housing may for example be a J-shaped tubular device depending from the duct through which the exhaust air flows to the burners r and is open at one end to the duct and open at the other end to the atmosphere.  The variation permissible of duct pressure atop the seal in order to keep the seal intact is a function of the vertical range of the interface between the gases in the device and the difference in density be-tween the two gases and can be controlled by adjustment of the damper setting.  In normal operation the hot exhaust air flows to the furnace burners under the suction con-trolled by the damper.  The seal is disrupted when the flow of exhaust air is reduced, the colder atmospheric air then being admitted and flowing to the burners so that the fur-nace continues in operation.
Patent CA-1168191-A (CA)
Inventor: INGHRAM DONALD M
IPC: B60P1/52
Filed: 1981-04-27
Granted: 1984-05-29
Abstract: ABSTRACT OF THE DISCLOSURE         A mobile cargo handling system and method is provided for transferring containers relatively long distances between two locations by a steerable, self-propelled transporter which is connected to a dolly sup-ported on swivel casters so that the longitudinal axes of the transporter and dolly are maintained parallel to a vertical plane when the system is moving along a circuitous path.  The dolly includes a roller deck, and the trans-porter includes a powered roller deck which is selectively controlled to drive one or more containers onto and off of both roller decks.
Patent CA-1160689-A (CA)
Inventor: FLASZA MICHAEL D
IPC: H03L7/10
Filed: 1981-05-12
Granted: 1984-01-17
Abstract: ABSTRACT OF THE DISCLOSURE           A frequency and phase lock loop is disclosed in which AFC and phase locking functions are completely separated thus permitting signal acquisition range and closed loop bandwidth parameters to be independently established.  Interference between phase lock loop (PLL) and automatic frequency control (AFC) signals resulting in the loss of a beat frequency signal for matching VCO and reference signal frequencies is eliminated thus affording enhanced PLL frequency pull-in range.
Patent CA-1171156-A (CA)
Inventor: BOHAN JOHN E JR
IPC: F23N5/12
Filed: 1981-06-05
Granted: 1984-07-17
Abstract: ABSTRACT OF THE DISCLOSURE         A fuel burner control system that has a fail safe mode of operation utilizes a flame sensing means that controls two separate signal processing circuits that have two different threshold levels of operation.  Each of the signal processing circuits controls a separate switch means and these switch means are interrelated to ensure that a pilot valve and main valve are opened in sequence and that a pilot flame is properly burning before the main valve is opened.  If the flame sensing means for the device senses any abnormality, the interrelationship of the output circuits prevents the main valve from opening.
Patent CA-1177484-A (CA)
Inventor: OZAKI SHOICHIRO
IPC: C07D213/73
Filed: 1981-06-29
Granted: 1984-11-06
Abstract: Abstract of the Disclosure N-(6-halogeno-2-pyridyl)-3,4-dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides that are novel benzothiazine derivatives.  These compounds are characterized by a low degree of toxicity and a low incidence of gastric disorders and useful as anti-inflammatory agents.
Patent CA-1174632-A (CA)
Inventor: SUGIURA TOSHIAKI
IPC: B41J25/24
Filed: 1981-06-29
Granted: 1984-09-18
Abstract: ABSTRACT OF THE DISCLOSURE       A printer employing a daisy-type type wheel.  On a hub of the type wheel a pin is slidably disposed and is backwardly biased by a spring to protrude from the rear surface of the hub.  In a central opening of the hub a hair pin spring having a pair of arms is disposed. The type wheel is fixed on a drive shaft of a motor through a coupling element.  The coupling element is provided with a projection which is fitted into the opening of the hub and engaged with the arms of the hair pin spring by snap action to latch the type  wheel against the drive shaft in axial direction.  In the axially latched state the pin is protruded from the front surface of the hub, resisting the resilient force of the spring, by the coupling element.  When the coupling element is rotated more than one time the protruded pin is engaged with a stationary projection to prevent the type wheel from rotating, with a result that the pin is aligned with a notch formed on the coupling element and fitted into the same for latching the type wheel against the drive shaft in rotational direction.
Patent CA-1171709-A (CA)
Inventor: KIRJAVAINEN ALVI
IPC: D21F1/02
Filed: 1981-08-25
Granted: 1984-07-31
Abstract: ABSTRACT OF THE DISCLOSURE           A box-type cantilever beam extends above the upper lip wall of the slice of the headbox of a paper machine.  A control device on the front wall of the cantiliver beam, and coupled to the upper lip wall, controls the position of the upper lip wall in a vertical plane.  The upper lip wall has a rear pivot in opera-tive relation with a slide arrangement which controls the position of the upper lip wall in directions in the plane of the upper lip wall and perpendicular to the direction of positioning by the con-trol device.
Patent CA-1178062-A (CA)
Inventor: LOVEITT MARK E
IPC: C22B34/22
Filed: 1981-09-15
Granted: 1984-11-20
Abstract: ABSTRACT     Recovery Of Vanadium The present invention relates to recovering vanadium from solution and, especially, to the oxidation of vanadium to V(v) in aqueous acidic solution employing Caro's Acid, preferably in a high mole ratio of peroxomonosulphuric acid to hydrogen peroxide and, especially, of at least 8:1.  By using preferred Caro's Acid solutions, the reaction does not exhibit an induction period, thereby enabling the reaction to be readily controlled by monitoring the electropotential of the treated-vanadium-solution and in response thereto regulating the introduction of the Caro's Acid solution. The vanadium oxidised to the V(v) oxidation state can readily be-removed by contact with tertiary amines or ion exchange resins.
Patent CA-1177236-A (CA)
Title: Shaving implement
Inventor: TROTTA ROBERT A
IPC: B26B21/22
Filed: 1981-09-21
Granted: 1984-11-06
Abstract: ABSTRACT OF THE DISCLOSURE        A shaving implement including a platform portion, a back portion, a cap portion overlying the platform portion, the plat-form, back, and cap portions being an integrally molded plastic unit, and a blade means permanently disposed between the cap and platform portions, the cap portion exercising a clamping pressure on the blade means.
Patent CA-1159928-A (CA)
Inventor: COLES DONALD K
IPC: F02D41/14
Filed: 1981-10-01
Granted: 1984-01-03
Abstract: INTERNAL COMBUSTION ENGINE          ABSTRACT    A spark-ignition engine has self-adaptive adjust-ment of the size of its fuel rations in dependence on misfires in the engine,  A misfire is identified as an abnormal deficiency in energy conversion, this being detected by means of a mechanical energy discriminator which compares the quanta of energy derived from dif-ferent combustion cycles.  When a misfire in a particular cylinder is identified, the fuel rations to that par-ticular cylinder are automatically increased,  Overall increase of fuel rations is counteracted by gradually decreasing the fuel rations of cylinders when they are firing regularly and not producing deficient quanta of energy,  In the preferred embodiment each cylinder has its own fuel injector valve.  The valve is normally closed, being opened for a short interval of time during each cylinder cycle.  The size of a fuel ration is regulated by varying the duration of opening of the valve,  Electrical simulation of engine dynamics allows detection of misfires over a wide range of engine speeds and air intake pressures.
Patent CA-1173071-A (CA)
Title: Apparatus for stacking a tape of indefinite length in   folded condition
Inventor: YAMADA YASUO
IPC: B65B35/50
Filed: 1981-12-17
Granted: 1984-08-21
Abstract: APPARATUS FOR STACKING A TAPE OF          INDEFINITE LENGTH IN FOLDED CONDITION          Abstract of the Disclosure An apparatus for stacking a tape of indefinite length in folded condition by shaking the tape off into an accumulation box.  When the height of the tape stacked goes above the top of the accumulation box, the top of the tape stack is pressed down to increase the compactness of the tape stack resulting in increase in the amount of tape stacked in the accumulation box.
Patent CA-1134384-A (CA)
Inventor: ROSE CARL J
IPC: C07C69/76
Filed: 1981-12-22
Granted: 1982-10-26
Abstract: Abstract The present invention relates to a process for the preparation of 4-(61-methoxy-21-naphthyl)butan-2-one and to certain compounds for use in that process.     British Patent Specification No. 1,474,377 discloses inter alia that 4-(61-methoxy-21-naphthyl) butan-2-one possesses useful anti-inflammatory activity. particularly favoured process has now been discovered that can be used to produce 4-(61-methoxy-21-naphthyl) butan-2-one in particularly good yield.     The present invention provides a process for the preparation of 4-(61-methoxy-21-naphthyl)butan-2-one which process comprises the hydrogenation of a compound of the formula (I):                               (I) wherein Ar is a 6-methoxy-2-naphthyl group;  X and Y are each hydrogen atoms or together represent a second bond between the carbon atoms to which they are attached;  and R is a group such that -CO2R represents an ester group convertible by hydrogenation to a CO2H group.
Patent CA-1150074-A (CA)
Inventor: RATKE WIDIMAR
IPC: B28B7/16
Filed: 1982-01-13
Granted: 1983-07-19
Abstract: ABSTRACT     A forming apparatus for use in constructing a multi-compartment sump or reservoir is described.  The sump is provided with a frame extending above the tops of the walls of the sump and generally parallel to the top for facilitating installation of the sump under a building floor or the like.          The frame is conveniently made of angle irons attached to the top of the sump by means of supportive posts embedded in the concrete walls of the sump.  The forming apparatus is particularly adapted to the construction of this sump.  The sump is conveniently provided with pre-installed pipe couplings.
Patent CA-1173905-A (CA)
Inventor: KURTZ MOSHE
IPC: H02H7/16
Filed: 1982-02-18
Granted: 1984-09-04
Abstract: ABSTRACT OF THE DISCLOSURE          In a system for continuously monitoring partial discharge in high voltage electrical equipment thereby to give advance warn-ing of impending breakdown of solid-insulated components, means are provided to distinguish electrical signals indicative of par-tial discharge from those resulting from noise or external tran-sients.  Current pulses in the various partial discharge paths are detected, and by solid-state circuitry their relative polarities are compared and an appropriate signal is made according to the comparison.
Patent CA-1189271-A (CA)
Inventor: AHR NICHOLAS A
IPC: A61F13/15
Filed: 1982-03-01
Granted: 1985-06-25
Abstract: ABSTRACT           A macroscopically expanded three-dimensional plastic web exhibiting a non-glossy visible surface, and, if desired, a cloth-like or fiber-like tactile impression.  The visible surface of a macroscopically expanded three-dimensional plastic web of the present invention is preferably provided with a regularly spaced, microscopic pattern of surface aberrations which is too fine to be discernible by the naked eye when the perpendicular distance between the viewer's eye and the plane of said web is about 12 inches or greater, but which pattern is effective in substan-tially eliminating specular reflection of incicent light.  Said webs may be produced by means of a one-sided forming process wherein said surface aberrations are transmitted through the thickness of said web during processing or by means of a two-sided forming process wherein said surface aberrations are imposed directly onto the visible surface of said web.  Macro-scopically expanded three-dimensional plastic webs of the present invention may be effectively employed as alternatives for cloth and fibrous structures which contact the wearer's skin, as well as for new and existing product applications where a non plastic visual and tactile impression are desired.
Patent CA-1175096-A (CA)
Inventor: VAN SICLEN HOWARD E JR
IPC: F02P5/155
Filed: 1982-03-12
Granted: 1984-09-25
Abstract: Abstract:     AN IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE       An ignition system for an internal combustion engine that provides  automatically advanced  timing  over  a predetermined  range  of  engine  speeds.    The  ignition system includes a timing circuit (100) that controls the resistance and hence voltage across a capacitor (53) that biases  a  switch  in  the  trigger  circuit  (50)  of  the system.  The transistor (125) is operated in its active region  so  that  the  transistor  (125)  operates  as  a variable resistor.  As the resistance of the transistor (125) decreases with increasing engine speed the timing of the system advances.  The predetermined speed at which the advance begins is determined by zener diode (119) in series  with  the  base  of  the  transistor  (125).    The maximum advance of the system is limited by a resistor (94)  in  series  between  the  transistor  (125)  and  the capacitor  (53)  of  the  trigger  circuit  (50).    The transistor (125) is operated in its active region by a transistorized circuit that receives its power from the main storage capacitor (27) of the ignition system.
Patent CA-1164183-A (CA)
Inventor: DEWEY GEORGE G
IPC: E04D1/34
Filed: 1982-03-26
Granted: 1984-03-27
Abstract: Case 3881 ROOFING INSULATION FASTENER ASSEMBLY     ABSTRACT     A fastener assembly for attaching roofing insulation to roof decks.  A washer with a broad load-distributing flange has a crushable region which is deformed as the fastener becomes fully seated.  This region insures that the joint is loaded with a predetermined force before the depth-sensitive driver disengages reducing the likelihood of overdriving or underdriving.
Patent CA-1190953-A (CA)
Inventor: VISHNEVSKY VLADIMIR S
IPC: H02N2/00
Filed: 1982-04-07
Granted: 1985-07-23
Abstract: PIEZOELECTRIC MOTOR Abstract of the Disclosure The proposed motor comprises a stator and a rotor frictionally interacting with said stator, one of said stator and rotor including at  least one piezoelectric oscillator. Said oscillator includes a piezoelectric ele-ment and electrodes located on the opposite surfaces of the piezoelectric element and connected to a supply source for exciting in this oscillator a resonant mode of lon-gitudinal acoustic vibrations. The motor further includes at least two pushers each having one end secured on said oscillator and the other end urged against a surface of frictional interaction of the rotor and stator. The piezo-electric element used in this motor is polarized in the di-rection perpendicular to the surfaces of the electrodes and is positioned so that the propagation direction of the re-sonant mode of the longitudinal vibrations is perpendicular to the surface of frictional interaction.
Patent CA-1174818-A (CA)
Inventor: KAVESH SHELDON
IPC: D01F6/04
Filed: 1982-04-22
Granted: 1984-09-25
Abstract: ABSTRACT  PROUDCING HIGH TENACITY, HIGH MODULUS CRYSTALLINE    THERMOPLASTIC ARTICLE SUCH AS FIBER OR FILM           Solutions of ultrahigh molecular weigh poly-mers such as polyethylene in a relatively non-volatile solvent are extruded through an aperture at constant concentration through the aperture and cooled to form a first gel of indefinite length.  The first gels are extracted with a volatile solvent to form a second gel and the second gel is dried to form a low porosity xero-gel.  The first gel, second gel or xerogel, or a combination, are stretched.  Among the products obtain-able are polyethylene fibers of greater than 30 or even 40 g/denier tenacity and of modulus greater than 1000 or even 1600 or 2000 g/denier.
Patent CA-1184509-A (CA)
Inventor: MAKITA FUJIO
IPC: F16D48/06
Filed: 1982-07-23
Granted: 1985-03-26
Abstract: SYSTEM FOR CONTROLLING A POWER TRANSMISSION            OF A FOUR-WHEEL DRIVE VEHICLE     Abstract of the Disclosure A system for a four-wheel drive vehicle for automatically changing a power transmission system of the engine of the vehicle from four-wheel driving system to two-wheel driving system in accordance with the steering angle during the turning of a corner.   The  transmission  system is provided  for transmitting a power from the engine to main driving two wheel, and a fluid pressure controlled friction clutch is provided for transmitting the power of the engine to two wheels other than the main driving two-wheel.   A steering angle sensor is provided for producing a steering angle signal dependent on the steering angle.  A control system is provided to respond to the steering angle signal for decreasing the pressure of the pressure oil applied to the clutch thereby to cause the slip of the clutch during the turning of the corner.
Patent CA-1190651-A (CA)
Inventor: CURL BARRY J
IPC: G07D7/182
Filed: 1982-08-10
Granted: 1985-07-16
Abstract: APPARATUS FOR SCANNING A SHEET                           ABSTRACT      Apparatus  is disclosed for scanning a banknote (33).  A lengthwise strip of the banknote (33) is illuminated with white light, and the banknote is moved parallel to its width.  Light reflected from all regions of the lengthwise strip is conveyed through an optical fibre fishtail array to a single photodetector, or to a spectroscope and thence to several photodetectors for colour scanning.  The waveform produced by the or each photodetector is then characteristic of the surface of the banknote, and is used in an analysing circuit for banknote pattern recognition, or to sense the condition of the banknote with regard to its age or degree of soiling. The analysing circuit includes means for compressing or expanding the length of the waveform to give it a standard length for subsequent comparison with one or more stored characteristic waveforms in a memory (16).  The apparatus also determines the mean level of intensity of the waveform in an integrator (9), and includes a circuit (24 to 28) for obtaining the standard deviation of selected points of the waveform from the mean value, a low standard deviation indicating a badly soiled or worn banknote.
Patent CA-1179374-A (CA)
Inventor: HUIBERS DERK T A
IPC: C07C37/54
Filed: 1982-08-13
Granted: 1984-12-11
Abstract: ABSTRACT    A lignin-containing feed material in particulate form is mixed with a process-derived slurrying oil and fed into an ebullated catalyst bed hydrocracking reactor.  Reaction conditions are maintained at 650-850°F temperature, 500-1500 psig hydrogen partial pressure and space velocity of 1.0-10 wt. lignin/hr/wt. catalyst.  The reaction products are phase separated to recover hydrogen and slurrying oil, and the resulting liquid stream is passed to a thermal hydrodealkylation step.  The reacted stream is fractionated to produce phenol and benzene products, along with a heavy alkylated material which is recycled to the hydrodealkyla-tion step to increase the yield of phenol and benzene.
Patent CA-1185984-A (CA)
Inventor: GRUBER BRUCE A
IPC: C08K5/01
Filed: 1982-08-19
Granted: 1985-04-23
Abstract: ABSTRACT            Cyclopentadiene derivatives, method for preparing cyclo-pentadiene derivatives, and use of cyclopentadiene deri-vatives in curable binder compositions.
Patent CA-1187888-A (CA)
Inventor: ACKER ROLF-DIETER
IPC: C07C325/00
Filed: 1982-09-13
Granted: 1985-05-28
Abstract: ABSTRACT OF  THE DISCLOSURE: Isothloureaa Or the formula   where Rl, R2, R3, X, Y and Z have the meaning given in the description, and salts thereof, and the use Or these compounds for combating unwanted plant growth.
Patent CA-1185861-A (CA)
Inventor: MEHL DONALD N
IPC: A61B10/00
Filed: 1982-12-22
Granted: 1985-04-23
Abstract: ABSTRACT OF THE DISCLOSURE     Needle for bone marrow biopsies at the sternum or iliac of the body or the like including a cannula, a cannula housing supporting the cannula including a partially threaded lower member, a stylet including a stylet cap supporting the stylet and a threaded depth stop for engaging over the cannula wherein the stylet engages into the cannula in a predetermined relationship, the stylet cap interlocks to the cannula housing, and the threaded member determines the depth of penetration of the needle.  The sternum needle is constructed to be either disposable or reusable depending upon the cannula housing and stylet cap material.  The cannula housing includes vertical wings extending outwardly from the housing for engagement with the palm of a physician's hand, a cannula clip having ends which are soldered onto the cannula and secure into the cannula housing, and an elongated button extending outwardly from the top of the cannula housing for detent locking with the stylet cap providing for alignment of the stylet to the cannula of the sternum needle.  The stylet includes a longitudinal member having a ground and buffed bevelled end maintaining a knife-sharp edge around the tip, and the other end of the stylet is bent and molded into the stylet cap where the stylet cap includes a spring detent locking groove for interlocking with the button of the cannula housing.  The stylet cap is rounded at the top and includes vertical grooves for gripping during locking and unlocking.  The stylet inserts into the cannula and with a twist locks about the top of the cannula with a positive digital sensory feedback signal to the physician.  The depth stop includes lower portion digitory sockets for the fingers and a knurled circumference upper portion. The needle can be used with or without the depth stop as desired.
Patent CA-1196015-A (CA)
Inventor: DEMMER CHRISTOPHER G
IPC: C08L61/10
Filed: 1982-12-22
Granted: 1985-10-29
Abstract: ABSTRACT OF THE DISCLOSURE     Resinous salts, prepared by thioalkylation or sulfoalkylation  of A phenol obtained by advancement of a polyepoxide, followed by at least partial neutralisation, have the general formula   where R- represents a group of formula -S-R1-COO or a group of formula -SO3- ; R1 represents an aliphatic, aromatic or araliphatic divalent group which may contain a further group -COO-M+; R2 represents -H or alkyl; one of R3 and R31 represents a hydroxyl group and the other represents -H, halogen, alkyl, or alkenyl; each R4 represents -H, halogen, alkyl, or alkenyl;          R5 represents -H, halogen, alkyl, alkenyl, or a group -CH(R2)OH, -CH(R2)OR8,  or -CHR2-R-M+; R6 represents the residue of a polyepoxide, preferably of average mol. wt. 1000-5000; each of the groups R7, which may be the same or different, represents -H or a covalent bond linked to the group R6; R8 represents alkyl or alkoxyalkyl; R9 denotes the residue of an optional terminating group; m represents 1, 2, 3, or 4; n and p represent zero or 1, X represents alkylene, carbonyl, sulfonyl,  oxygen, sulfur,  or a valence bond; and M+  represents a hydrogen ion or a cation derived from an alkali metal, ammonia, an amine or one valence of a polyvalent cation, at least 25% of the ions being a said cation.   Compositions comprising these salts and, if required, a phenoplast, an aminoplast, or a blocked polyisocyanate, are stable when dispersed in water, usually with the aid of a minor amount of an organic solvent, and may be used to form protective films, especially for metal containers.