baber/WOPTO huggingface dataset:
Patent CA-1247676-A (CA)
Inventor: PLETCHER JACKIE E
IPC: B65G7/12
Filed: 1984-09-12
Granted: 1988-12-28
Abstract: Abstract A hoisting cable fitting employing clevis-shaped pieces instead of eyebolts to provide attachment points for cable loops.
Patent CA-1229785-A (CA)
Inventor: BERGER MICHEL
IPC: A61G5/12
Filed: 1984-09-14
Granted: 1987-12-01
Abstract: Invalid chair based on composite materials ABSTRACT OF THE DISCLOSURE   The present invention relates to an invalid chair, or wheelchair, based on composite materials, comprising in particular a seat fixed between two side elements, each comprising a drive wheel provided with a handwheel, a support and steering wheel and a footrest. According to the invention, the two side elements and the two drive wheels, as well as the footrests and means for maintaining the side elements in spaced apart relationship and for folding this chair, are entirely or partially made of composite materials. The invention is more particularly applicable to the manufacture of invalid chairs which are light and robust.
Patent CA-1217715-A (CA)
Inventor: LYLE W D JR
IPC: G01V11/00
Filed: 1984-09-19
Granted: 1987-02-10
Abstract: METHOD FOR DETERMINING OIL SATURATION      IN A SUBSURFACE FORMATION                              ABSTRACT            A borehole logging system includes a borehole gravity meter and a resistivity logging tool.  A borehole gravity log and a resistivity log are produced over a selected depth interval in a borehole.  The bulk density of the subsurface formation surrounding the borehole over the selected depth interval is measured from the gravity log.  The bulk resistivity of the formation surrounding the borehole over the selected depth interval is measured from the resistivity log.  The bulk density and bulk resistivity measurements are combined to derive a measurement of the residual oil saturation of the subsurface formation surrounding the borehole for the selected depth interval.
Patent CA-1222464-A (CA)
Inventor: GOODE RICHARD L
IPC: G10K11/08
Filed: 1984-11-30
Granted: 1987-06-02
Abstract: ABSTRACT OF THE DISCLOSURE            An acoustical small hearing aid designed to be worn in the  concha of the auricle and made of thin-walled plastic, metal,  or rubber.   This invention modifies the normal conchal resonance and combines it with the ear canal resonance to shift the normal sound pressure gain of 15 to 20 dB at the tympanic membrane downward from 2600-3000 Hz to 1500-2000 Hz dB, or lower, thus providing significant sound amplification for persons with mild high-frequency hearing loss.  The invention accomplishes these goals by providing a thin, hollow shell that fits snugly into th auricle and concha of the external ear so as to enclose a volume of air within the concha.  An opening in the shell lets sound waves  into this air volume.   The ratio of the air volume and the area of the opening control the peak frequency of amplification desired, the amplitude, and bandwidth of amplification, and must be kept between 1/2 and 1/15.
Patent CA-1233175-A (CA)
Inventor: TULLY WILFRED R
IPC: C07D487/04
Filed: 1984-12-21
Granted: 1988-02-23
Abstract: ABSTRACT OF THE DISCLOSURE:           The invention relates to a process for preparing compounds of formula (I):                        (I) (wherein R represents a C6-12 aryl group; R1 represents a hydrogen atom or a C1-5 alkyl, C1-5 alkoxy or C1-5 alkyl-thio group and R2 and R3 together represent a carbon-nitrogen bond, or R1 and R2 together represent a ketonic oxygen atom and R3 represents a hydrogen atom or a C1-5 alkyl or a C2-5 alkenyl group; R4 represents a C1-5 alkoxy or alkylthio group; and R5 represents a hydrogen atom or a C1-5 alkyl group) and acid addition salts thereof.  The invention also relates to new compounds obtained with this process, said compounds having valuable pharmacological properties, especially in the treatment of anxiety.
Patent CA-1207624-A (CA)
Inventor: PETERS RUDOLPH
IPC: A61M5/31
Filed: 1985-01-22
Granted: 1986-07-15
Abstract: Abstract AUTOMATIC HEMOCLIP APPLIER      A device for storing, dispensing, and applying a plurality of hemostatic clips to blood vessels and the like includes a longitudinally disposed frame having a pistol grip and an opposed trigger lever extending from the proximal end thereof.  A narrow, internal passageway extends the length of the frame, from a loading opening at the proximal end to a fixed lower jaw at the distal end of the frame.  A plurality of hemostatic clips is disposed in the passageway with the points thereof extending toward the distal jaw portion.  An upper jaw extends from a clevis member which straddles the frame and is pivotally joined to an upper medial portion thereof.  The trigger lever is pivotable to cause the clevis member to pivot upwardly and the upper jaw to close upon the lower jaw to crush a hemo-static clip disposed therebetween.  A piston resiliently biased in the internal passageway urges the hemostatic clips toward the jaw portion, and a feed release lever is disposed at the proximal end of the passageway to discharge a hemostatic clip from the passageway to the jaw portion with each full actuation of the upper jaw.
Patent CA-1247841-A (CA)
Inventor: WOOD THOMAS H
IPC: B25B27/02
Filed: 1985-02-20
Granted: 1989-01-03
Abstract: Abstract of the Disclosure A tool for removing the wheel spindle from a four-wheel drive vehicle and extracting the needle bearings housed within that spindle is disclosed.  The tool includes a mounting platform adapted to be mounted on the spindle, a platform retained plunging shaft dimensioned to be inserted into the hollow spindle so as to apply a disjoining compressive force to the wheel axle, and a bearing pushing assembly made collapsibly insertable into the detached spindle.  The bearing pusher is adapted to interact with a driving means to forcibly push the bearings from their retaining well.
Patent CA-1246647-A (CA)
Inventor: WILSON JAMES C
IPC: H01H71/52
Filed: 1985-02-27
Granted: 1988-12-13
Abstract: ABSTRACT OF THE DISCLOSURE A  circuit  breaker  having  an integral  handle cover assembly for manual operation of the circuit break-er. The handle assembly comprises a cap segment and a base segment.  The base segment removably engages with the operating mechanism of the circuit breaker with the cap segment positioned exterior to the circuit breaker cover and engaged with the base segment such that the handle assembly is attached to the cover while being movable in the opening thereof during the opening and closing of the circuit breaker allowing the cover to be removed from the circuit  breaker  without  the  detachment  of  the  handle assembly from the cover.
Patent CA-1239915-A (CA)
Inventor: LAUTZENHEISER TERRY L
IPC: F21V5/02
Filed: 1985-03-13
Granted: 1988-08-02
Abstract: Abstract of Disclosure.        A task light for mounting relatively close to an underlying work area has an elongated fluorescent bulb extending across the work area, a wide, flat and elongated prismatic lens underlying and adjacent the bulb for distributing light over the entire work area and a transparent sheet overlying the prismatic lens between the lens and the bulb having areas of various degrees of translucency calibrated to diminish the intensity of light rays directed toward certain sections of the work area contingent upon the configuration of the work area and the distance the task light is positioned therefrom.
Patent CA-1271655-A (CA)
Inventor: REINHOLD KLAUS
IPC: F26B13/18
Filed: 1985-03-14
Granted: 1990-07-17
Abstract: ABSTRACT OF THE DISCLOSURE          A roll for processing material in the form of a web or strip consists of a cylindrical hollow body of metal, in the cylinder wall of which there is provided a helical medium passage through which a heating or cooling medium can flow.  In order to avoid sealing problems in the region of the cylinder wall and to achieve a high heating or cooling performance, the cylinder wall is formed from a cast metal tube and the helical medium passage is formed from a spiral tube of a metal having a distinctly higher melting temperature in comparison with that of the cylinder wall, the spiral tube being rigidly embedded in the cylinder wall during casting thereof. The cylinder wall consists particularly advantageously of a centrifugally cast tube, preferably of aluminium, in the wall of which the spiral tube is included in the casting.
Patent CA-1247010-A (CA)
Inventor: KAGITANI YOSHIO
IPC: A61K47/48
Filed: 1985-04-23
Granted: 1988-12-20
Abstract: Abstract of the Disclosure The drug such as antitumor agents or anti-biotics can preferencially be carried to a morbid part, for example, injured tissue and tumor site by admi-nistering its complex with fibronectin combined through an oxidized dextran to repair the morbid part.  The complex is prepared by reacting the drug, an oxidized dextran having a cleaved structure of aldohexopyranose ring, and fibronectin.
Patent CA-1263574-A (CA)
Inventor: CHOW SUI W
IPC: C08G59/50
Filed: 1985-04-26
Granted: 1989-12-05
Abstract: POLYOXYLALKYLENEAMINE MODIFIED EPOXY COATINGS FOR CORRODED METAL SURFACES             ABSTRACT OF THE DISCLOSURE Epoxy coatings containing polyoxyalkyleneamines provide improved adhesion when applied to minimally cleaned, corroded metal surfaces.
Patent CA-1234352-A (CA)
Inventor: DONOVAN BRIAN J
IPC: E21B33/03
Filed: 1985-04-29
Granted: 1988-03-22
Abstract: ABSTRACT OF THE INVENTION       An improved oil well fire suppressing method is shown. A specific mixture of a high vapor pressure and low vapor pressure halogenated alkane, such as Halon 1211 and Halon 1301, is injected into and below the Blowout Preventor (B.O.P.) in an existing oil well in the event of a fire. In as much as the injection is of a liquid, existing pumping and valving apparatus are capable of injecting against considerable back pressure. In addition, the method contemplates an alternate venturi for injection within and beneath the B.O.P. so as to reduce the back pressure seen by the fire suppression injections and to increase the flow of the suppressant during a major flow as would happen during a blowout. In a preferred embodiment, a mixture of Halon 1301 and Halon 1211, in a percentage having a higher vapor pressure than is customary with such a mixture, is injected in liquid form into and immediately beneath the B.O.P. into the drill string and the drill string annulus during an oil well fire. The mixture rises as a liquid with the liquid component of the fluid within the drill string annulus, and due to its increased vapor pressure with respect to that of methane or inflammable gasses found entrapped in the fluid during an oil well blowout, vaporizes to a fire suppression state selectively and jointly with the entrapped gasses within the fluid within the drill string. As a result, the mixture is preferentially vaporized with the most explosive and flammable components of the overall fluid within the drill string, providing an enhanced fire suppression capability and sufficient suppression by said mixture to prevent re-ignition from occurring.
Patent CA-1244654-A (CA)
Inventor: BERG H GUNNAR
IPC: C22B11/02
Filed: 1985-08-28
Granted: 1988-11-15
Abstract: ABSTRACT   The invention relates to a method for pyrometallurgically recovering the pre-cious metal content, such as gold, silver and platinum metals, of halogen-bearing materials rich in silver. The material is caused to rapidly disperse in or be finely distributed throughout an at least partially molten charge containing a non-oxidic metal-containing phase having the ability to dissolve precious metals and to substantially lower their chemical activity. The halogen content of the material herewith reacts with any fluxes or metals of high chemical activity present in the furnace charge, while forming metal halogenides. The halogenides formed are separated by slagging and/or volatilization, and the precious metals are recovered from the molten charge, depleted of halogens, in a conventional manner and with regard to the charge phases.
Patent CA-1239476-A (CA)
Title: Method for determining localized fiber angle in a three dimensional fibrous material
Inventor: MATTHEWS PETER C
IPC: G01B11/26
Filed: 1985-10-11
Granted: 1988-07-19
Abstract: ABSTRACT OF THE DISCLOSURE The invention is a method for measuring fiber angle in a fibrous solid material relative to three mutually orthogonal reference axes. It is particularly well suited for measuring diving grain and grain surface angle in wood. The method is based on the measurement of the intensity of reflected light at different azimuthal angles when a beam of light of small diameter is impinged upon the surface. The nature of the specular reflections from a light beam striking the surface of a cylinder serves as a model for the system. A preferred apparatus for practicing the method comprises a light source, which may be a low powered laser, aimed normal to the surface of the fibrous material. A plurality of photosensors lying in a plane normal to the axis of the light beam are placed around the light source to detect the light reflected at various azimuthal angles. When the fibers of the material lie normal to the light beam, reflected light maxima are seen 180° apart at positions normal to the longitudinal axis of the fibers. If the fiber axes in the material are tilted out of normalcy with respect to the incoming light beam, even though the surface of the material is normal, the azimuthal angle between the reflected light maxima decreases as a function of the tilt angle. Various alternative methods include the use of an on-axis photosensor with a multiplexed series of light sources arranged around the axis. These lights may be used simultaneously if they are of different wavelengths and the photosensor employs a beam splitting and filtering system sensitive to each different light source.
Patent CA-1247050-A (CA)
Inventor: ROLLYSON RICHARD A
IPC: B23D36/00
Filed: 1985-11-22
Granted: 1988-12-20
Abstract: EXTRUSION, CONVEYANCE, AND CUTTING SYSTEM               Abstract of the Disclosure An apparatus that extrudes, conveys and cuts a pro-pellant strand into precise lengths independent of strand velocity is disclosed.  Cutting of the strand is accomplished by a microprocessor-controlled cutter having a blade mounted on a shaft which in one revolution cuts the strand.  The shaft is activated after passage of the strand end past a pair of downstream optical sensors; compensation is made for strand velocity by having cutting activation take place in the same amount of time after the strand end reaches the second sensor, less cutter delay, as it takes the strand end to move between the first and second sensors.
Patent CA-1259506-A (CA)
Inventor: MIKIC FRANK
IPC: B25B7/00
Filed: 1986-02-05
Granted: 1989-09-19
Abstract: ABSTRACT A clip-like, resilient wire stub retainer and handle opening spring adapted for secure positioning on the pivoting joint area of a wire cutting pliers having a pair of cutting edges extends along a first cutting edge of the pliers in an overlapping manner so as to en-gage and retain a severed wire stub portion in contact with a second cutting edge of the pliers until the pliers are released in preventing the wire stub from being pro-jected away from the pliers.  The resilient clip-like retainer/spring biases the pliers to the open configura-tion and includes a sheath-like covering on the wire engaging portion thereof to enhance its wire retention characteristics.
Patent CA-1244149-A (CA)
Inventor: FREEOUF JOHN L
IPC: H01L29/68
Filed: 1986-03-03
Granted: 1988-11-01
Abstract: SEMICONDUCTOR BALLISTIC ELECTRON VELOCITY           CONTROL STRUCTURE            Abstract of the Disclosure A semiconductor device where an emitter material composition and doping profile produces an electron gas in a base adjacent a hand offset heterojunction interface, the electrons in the electron gas in the base are confined under bias by a low barrier and the ballistic carriers have their kinetic energy controlled to prevent intervalley scattering by an electrostatic barrier that under influence of bias provides an essentially level conduction band in the portion of the base adjacent the collector.
Patent CA-1241319-A (CA)
Inventor: SCHAEFFER RICHARD J
IPC: B25G3/00
Filed: 1986-03-25
Granted: 1988-08-30
Abstract: DEVICE FOR TIGHTENING CHAINS AND THE LIKE                  Abstract of the Disclosure A device for tightening chains, cables or ropes is disclosed.  Previously, turnbuckles or load binders, the latter operating on the principle of the lever, have been used to tighten two ends of a chain or cable around an object, or the ends of two chains which have been secured at their other ends.  Such devices are hand-operated and accordingly can only apply limited tension to the chain or cable.  The present invention provides a device whereby an air-gun or pneumatic wrench or other power tool can be used to tighten the chain or cable to much greater tension.  The device utilizes a threaded bolt which is secured to one end of the chain and which, by the rotation of a threaded socket, is drawn through a sleeve to which the other end of the chain is secured, thereby tightening the chain.
Patent CA-1255149-A (CA)
Inventor: BROOKS RALF M
IPC: B41J2/35
Filed: 1986-04-30
Granted: 1989-06-06
Abstract: THERMAL PRINTHEAD LIFE EXTENSION TECHNIQUE          Abstract of the Disclosure A system and method are disclosed for automatically compensating for overutilized elements in a thermal printhead.  The system is implemented by utilizing a graphics style line thermal printhead with a greater number of resistive or thermal elements than are needed for the maximum number of characters to be printed.  These spare or extra elements are positioned on the leading side of a nominal designated print area or field within the thermal printhead, such that a microprocessor under software control can sequentially shift for each new print line the leading edge of all character positions contained in the print field incrementally to one side, allowing increased utilization of formerly underutilized elements.  In a preferred embodiment the magnitude of this sequential sideways shift is determined by the number of spare or extra elements which border the leading side of the nominal print field.
Patent CA-1248652-A (CA)
Inventor: HOMBACH RUDOLF
IPC: C09J121/00
Filed: 1986-06-13
Granted: 1989-01-10
Abstract: POLYISOCYANATE PREPARATION DISPERSIBLE IN WATER  AND THEIR USE AS AN ADDITIVE FOR AQUEOUS ADHESIVES             ABSTRACT OF THE INVENTION        The present invention is directed to a polyiso-cyanate preparation dispersible in water and having an average NCO functionality of about 2.0 to 3.5 which contains a)  an aliphatic polyisocyanate or a mixture of aliphatic polyisocyanates; and b)  a quantity of an emulsifier sufficient to ensure the dispersibility of the polyisocyanates.        The present invention is also directed to the use of this polyisocyanate preparation as an additive for aqueous adhesives based on polymers dispersed in water.
Patent CA-1258257-A (CA)
Inventor: BEARD MICHAEL D
IPC: A47B57/30
Filed: 1986-08-28
Granted: 1989-08-08
Abstract: WORK SURFACE GANGING CLIP         ABSTRACT A ganging clip (10) is adapted to mount to a pair of neighboring work surface support brackets (12) to secure together the work surfaces (14) mounted thereto and to adjust the relative heights of the work surfaces (14). The clip (10) comprises a central portion (36) and a pair of end portions (38) positioned in overlapping relationship to the central portion (36) so as to form a pair of resilient jaws (52) having extending there-through a pair of screws (56).  The jaws (52) are adapted to engage a pair of opposing horizontal legs (32) of the support brackets (12).  Tightening of the screws (56) results in closing of the jaws (52) to securely clamp the clip (10) to the support brackets (12) and thus to secure together the work surfaces (14) mounted thereto.  The relative heights of the work surfaces (14) may be subsequently adjusted by tightening or loosening either of the screws (56).
Patent CA-1249880-A (CA)
Inventor: CHRISTOPHER TODD J
IPC: H04N5/265
Filed: 1986-08-29
Granted: 1989-02-07
Abstract: Abstract System performance of picture-in-picture video display systems is dependent on critical timing relationships between the incoming signals and the clock signals used to sample and display both the large picture and small picture signals.  Video signals from various sources, e.g. VTR's, tend to have jittering time bases which may cause the small image to appear jagged or tilted.  This distortion in the small image may be reduced by effecting adaptive signal delays in the small picture signal responsive to the relative phase of the system clock signal with respect to the horizontal synchronizing pulses of the large and/or small picture signal.  One phase measure is used to control an interpolator which combines successive samples of the small picture signal in proportions to develop sample values corresponding to samples that would have occurred had the small picture signal been sampled by a clock properly aligned to the small picture horizontal synchronizing pulses.  A second phase measure is used to delay the clock signal used to recover the small picture from a memory so that the clock pulses that define the edges of the small picture occurs with the same timing relative to the large picture horizontal synchronizing pulses from line-to-line.
Patent CA-1259042-A (CA)
Inventor: KEATING HENRY M
IPC: F24F13/02
Filed: 1986-12-17
Granted: 1989-09-05
Abstract: Abstract ACCESS DOOR    An access door for an air conditioning duct or the like has a circular frame  intended to be rotated into a circular  opening  in  the  duct  wall.   The  frame  has  an inwardly extending circular shoulder against which abuts a removable  circular  door  held  in  place  by  latch  means engaging within a circular groove formed in the frame.
Patent CA-1258945-A (CA)
Inventor: KOUNO MASAHIRO
IPC: C08G18/34
Filed: 1986-12-23
Granted: 1989-08-29
Abstract: ABSTRACT         Disclosed herein is a process for preparing heat-resistant polymers by reacting an organic polyisocyanate with one or more compounds selected from the group consisting of organic polycarboxylic acids and organic polycarboxylic acid anhydrides in the presence of an alkali metal fluoride or an alkali metal fluoride combined with a quaternary onium salt as a catalyst.
Patent CA-1269466-A (CA)
Inventor: ST CLAIR DAVID J
IPC: C09K3/10
Filed: 1987-02-04
Granted: 1990-05-22
Abstract: A B S T R A C T                   SEALANT COMPOSITION   1. A sealant composition comprises:-(a)  100 parts by weight of a silane functionalized polymer compo-nent prepared by reacting silane of formula RR'nSiY3-n (where n = 0, 1 or 2 and R is a non-hydrolyzable organic group, capable of grafting onto the polymer, R' is a non-hydrolyzable organic group incapable of grafting onto the polymer and Y is a hydrolyzable organic group) with a polymer component;      said polymer component comprising an A'B' block copolymer, a multiblock copolymer having at least two end blocks A and at least one midblock B, or mixtures of an A'B' block copolymer and the multiblock copolymer wherein:      the A' and A blocks comprise monoalkenyl arene blocks and the B' and B blocks comprise hydrogenated conjugated diene polymer blocks, and the average molecular weight of the A and A' blocks is greater than the minimum molecular weight needed to obtain microphase separation and domain formation of the A and A' blocks, and is less than the maximum molecular weight which would render the polymer incapable of being melt processed;      the multiblock copolymer comprises a monoalkenyl arene content no more than the maximum weight per cent needed to retain a modulus suitable as a sealant in the resultant composition and no less than the minimum weight per cent needed to obtain the desired phase separation and the desired minimum cohesive strength for the resul-tant composition; and, if a B is present, (b)  an amount of a midblock compatible component wherein said midblock compatible component is at a content to maintain the resultant composition in a plyable condition at roam temperature and to maintain the glass transition temperature of the resultant composition below 10 °C.