baber/WOPTO huggingface dataset:
Patent CA-1095437-A (CA)
Inventor: KHUNTIA NATABARA
IPC: F16D65/14
Filed: 1979-04-30
Granted: 1981-02-10
Abstract: Abstract of the Disclosure A disc brake service piston for heavy equipment and off-the-road vehicles has an annular configuration and is sealingly and reciprocably received in an annular cavity forming a pressure chamber.  During brake disassembly requiring removal of the piston from the cavity, the piston must be disconnected from a series of piston retracting mechanisms.  The arrangement permits the force of one piston retraction spring to be relieved at a time.  A tool is used which has a thread at one end and a handle at the other end.  The threaded end is inserted into a tapped hole at the end of a return spring guide pin which transmits the spring force of one retracting mechanism to the piston.  The tool can then be moved to compress the guide pin spring so that the pin is moved a sufficient distance to expose a cross pin therein which provides the connection between the guide pin and the piston.  The cross pins are removed, one by one, from all of the spring guide pins of all of the mechanisms.  The only manual force required at any one time in such removal is that required to overcome the compression force of one piston return spring.  After all of the pins are removed, the piston can then be easily pulled out of the annular pressure chamber cavity.
Patent CA-1113391-A (CA)
Inventor: PARSONS GEORGE H JR
IPC: G01N33/78
Filed: 1979-05-16
Granted: 1981-12-01
Abstract: DIAGNOSTIC METHOD     Inventors:  George H. Parsons, Jr.             Stephen M. Sherrill ABSTRACT OF THE DISCLOSURE       Free analytes in samples containing free analytes and receptor-bound analytes are determined by absorbing at least a portion of free analyte from the sample with insolubilized receptor or receptor which is then made insoluble, washing the insoluble receptor, adding labelled sample analyte or labelled sample analyte receptor, incubating, washing the insoluble phase free of the soluble phase and determining the label in either phase.  The method solves a long standing need in the assay of free thyroid hormones.
Patent CA-1139028-A (CA)
Title: Dispositif pour presenter des caracteres d'une  langue lisible de la droite vers la gauche  avec un appareil de titrage classique pour  television
Inventor: MCMANN RENVILLE H JR
IPC: G09G5/16
Filed: 1979-05-18
Granted: 1983-01-04
Abstract: PRECIS DE LA DIVULGATION:           Le dispositif selon l'invention est destiné          à un appareil de titrage pour télévision conçu pour présenter des caractères d'une langue lisible de la gauche vers la droite;  il permet à cet appareil de présenter également des caractères d'une langue lisible de la droite vers la gauche;  à cet effet, le dispositif comprend : une mémoire principale pour mémoriser des représentations de traits correspondant à des images symétriques ou inverses d'un ensemble de caractères de la langue considérée;  une mémoire auxiliaire servant à mémoriser une ligne d'analyse de bits de traits pro-venant du générateur de traits de l'appareil;  et des circuits pour extraire de la mémoire auxiliaire la ligne d'analyse de bits de traits dans un ordre inverse de celui où les bits de traits ont été intro-duits dans la mémoire auxiliaire.
Patent CA-1140730-A (CA)
Inventor: OBRIST ALBERT
IPC: C01F5/06
Filed: 1979-05-22
Granted: 1983-02-08
Abstract: ABSTRACT OF THE DISCLOSURE     An aqueous magnesium sulphate solution, e.g. from a main process using magnesium silicate as a starting material, is introduced into a circuit with ammonia gas and carbon dioxide to obtain cyrstals of magnesium carbonate trihydrate.          The crystals are then freed, washed, dried and calcinated to obtain magnesium oxide.  The produced carbon dioxide can be recycled to the circuit to act as a precipitation agent.
Patent CA-1113856-A (CA)
Inventor: LOVER MYRON J
IPC: A01N31/02
Filed: 1979-06-05
Granted: 1981-12-08
Abstract: PROPOXYLATE TOXICANTS     ABSTRACT OF THE DISCLOSURE     Certain propoxylate ethers, block copolymers and one ester has been found to be miticidal.  Some members of this group also exhibit pediculicidal and/or ovicidal activity.
Patent CA-1133949-A (CA)
Inventor: CORREIA YVES
IPC: C07C19/05
Filed: 1979-06-29
Granted: 1982-10-19
Abstract: ABSTRACT         A process and composition are disclosed for stabilizing 1,1,1-trichloroethane in contact with metals and in the presence of light and/or oxygen-containing gas.  The process comprises incorporating in 1,1,1-trichloroethane:         (a)  from  0.1 to 5% by weight of tertiary butyl alcohol;         (b)  from 0.1 to 5% by weight of at least one of 2-methylbut-3-yn-2-ol and trioxan;         (c)  from 0.1 to 5% by weight of at least one C3-8 epoxide or chlorinated epoxide;         (d)  from 0.1 to 3% by weight of at least one C1-3 nitroalkane; and (e)  from 0.001 to 1% by weight of at least one aliphatic, cyclic or heterocyclic C4-10 amine of a basic nature.
Patent CA-1166061-A (CA)
Inventor: IMAMURA SABURO
IPC: G03F7/039
Filed: 1979-07-09
Granted: 1984-04-24
Abstract: Abstract of the Disclosure A method for forming a negative resist pattern which applies as a high energy beam-sensitive material a polymer consisting of components expressed by the general structural formula:       where:          X =  halogen or -O-? CH = CHR2 (R2 is H or CH3) R1 = H or CH3 n =  1 to 3 m, ? = integers having a relationship of 50 ? m+? ? 50,000.
Patent CA-1127299-A (CA)
Title: Biasing of magnetoresistive read  head using gyrators
Inventor: LEWKOWICZ JULIAN
IPC: H03H11/42
Filed: 1979-07-20
Granted: 1982-07-06
Abstract: BIASING OF MAGNETORESISTIVE  READ HEAD USING GYRATORS               ABSTRACT            An electromagnetic transducer particularly of the magneto-resistive (MR) type is biased by an inductive circuit means and operates within the linear portion of its characteristic curve.  The inductive circuit means is interconnected to the output terminals of said transducer.  An amplifier means is connected to the output terminals of the transducer and the in-ductive circuit means.  The amplifier means is also biased by the inductive circuit means.  The biasing scheme is enhanced when a gyrator is used as the inductive circuit means.
Patent CA-1128427-A (CA)
Title: Oil reconditioning system
Inventor: THOMPSON BRUCE L
IPC: B01D24/00
Filed: 1979-07-24
Granted: 1982-07-27
Abstract: ABSTRACT OF THE DISCLOSURE         An industrial oil reconditioning system forces dirty oil through a three-stage filter which usually includes a first stage comprising a blend of relatively flexible fibers and rigid fibers, a second stage which is all flexible fiber material, and a third stage, preferably of animal fiber.  As the oil is forced through the system, under pressure, the fibers of the first and second stages are compressed.  The fibers of the first and second stages are cut to a length which causes a weaving or matting during compression to prevent channels from forming in the filter through which oil might pass without being cleaned.  The heat of the oil may be precisely controlled at different points in the system to thin the oil, to break emul-sions, and to vaporize contaminant fluids.  The filtering materials and temperatures may be varied depending upon the type of oil and contaminants being processed. Most industrial oils can be satis-factorily cleaned with one pass through the system. A number of convenience features are built into the system.
Patent CA-1134351-A (CA)
Inventor: BERGER DIETER
IPC: C09B43/18
Filed: 1979-08-15
Granted: 1982-10-26
Abstract: ABSTRACT OF THE DISCLOSURE          Novel chromogens are provided useful in diagnostic agents for the detection of leukocytes in body fluids; the chromogen is an azo dyestuff ester of the formula (I):               A-N=N-B(OR)n in which A is a five- or six-membered heterocyclic ring, optionally benzoannelated radical, containing one or two hetero atoms selected from nitrogen, sulphur and oxygen, which radical A is unsubstituted or substituted one or more times by at least one of halogen, lower alkyl and lower alkoxy, or A is a phenyl radical substituted one to three times by at least one of lower alkyl, lower alkoxy, nitro, sulphonato and acylamino; B is an aromatic radical selected from the group consisting of benzene, naphthalene and quinoline radicals, said aromatic radical being unsubstituted or substituted once or twice by at least one of sulphonato, lower alkoxy and lower alkoxypolyalkyleneoxy; R is a carboxylic acid residue or an amino acid or peptide residue provided with a nitrogen protective group; and n is 1 or 2; the dia-gnostic agents comprise an absorbent carrier containing the chromogen and a buffer.
Patent CA-1128086-A (CA)
Inventor: MERCER RONALD H
IPC: A63B69/00
Filed: 1979-08-15
Granted: 1982-07-20
Abstract: ABSTRACT OF THE DISCLOSURE   A bowling practice and/or exercising device in the form of a retain-ing device for a bowling ball having a wrist encircling strap by which the retaining device is secured to the wrist of a person using the device so that a person can practice and perform various exercises in connection with bowling without the necessity of actually delivering a bowling ball onto a bowling alley or lane.  The retainer is in the form of a cage-like structure defined by a plurality of flexible adjustable length straps to receive the bowling ball which would normally be used in actual bowling and an adjustable split wrist band or strap to secure the device to the wrist area of the user with the device being constructed of various material and including various struc-tural features capable of performing the desired results.
Patent CA-1092534-A (CA)
Inventor: SOMERVILLE FRANCIS S
IPC: F16L57/00
Filed: 1979-09-19
Granted: 1980-12-30
Abstract: ABSTRACT OF THE DISCLOSURE        This invention relates to means for arresting longitudinal propagation of a crack in pipelines carrying natural gas or highly volatile normally gaseous liquids or combinations thereof, and to methods for applying said crack arrestor means to pipelines.
Patent CA-1156276-A (CA)
Inventor: SIMS LARRY A
IPC: A63F9/16
Filed: 1979-10-01
Granted: 1983-11-01
Abstract: ABSTRACT OF THE DISCLOSURE        A pinball-type game utilizing a spinning top actuated by a high speed spinning mechanism, release of the top onto a playing surface having a number of obstacles propelling the top against a scoring mechanism having a rocker arm which, upon impact, through a pawl device rotates a scoring indicator.  The scoring indicator is provided with a spring clutch to enable the indicator to return to zero.  "Flippers" are provided to redirect the spinning top along the playing surface.
Patent CA-1121438-A (CA)
Inventor: BROWNLEE SHERWOOD S
IPC: A47B63/06
Filed: 1979-10-01
Granted: 1982-04-06
Abstract: ABSTRACT: This invention relates to a rotary storage cabinet comprised of an outer stationary housing and an inner rotatable rotor having four sides two of which are positionable to present the contents of the cabinet simultaneously to two opposite openings in the housing. Two other opposite sides of the rotor are positionable to close the openings in the housing. The cabinet is constructed from a plurality of sub-assemblies which are shipped for assembly at the point of use. The basic structure of the unit comprises a base (20), two pilaster frames (10), and a top frame pan (30) each of which is shipped as a sub-assembly. The cabinet includes several features including: the ball bearing mechanism (Figs. 7-9); spring urged wheel (180) and detent (150) (Fig. 12) stop mechanism; lock mechanism (160) (Fig. 12); welded pilaster frames (10); and a single centrally located rotor frame (50). The unit is modular permitting the use of like "add-on" units (Figs. 16 and 17).
Patent CA-1128630-A (CA)
Inventor: VRBA JAMES J
IPC: H04L7/033
Filed: 1979-10-12
Granted: 1982-07-27
Abstract: TITLE               DATA SYNCHRONIZATION CIRCUIT     ABSTRACT OF THE INVENTION         A data synchronization circuit for use in an automatic identification of outward dialing system (AIOD).  The present invention automatically synchro-nizes streams of binary data sent as lengthy messages between a private automatic branch exchange (PABX) and a telephone switching center.  The binary informa-tion transmitted to the switching center consists of the calling subscriber's identity within the PABX and the identity of the trunk circuit connecting the PABX to switching center.  This information is trans-mitted in two-out-of-five code.  Synchronization is provided by controlling the output of an included clock in response to received binary state changes.
Patent CA-1132714-A (CA)
Inventor: PORTER MARION G
IPC: G06F9/38
Filed: 1979-10-29
Granted: 1982-09-28
Abstract: ABSTRACT OF THE DISCLOSURE A data processing system comprises a data processing unit coupled to a cache unit which couples to a main store.  The cache unit includes a cache store organized into a plurality of levels, each for storing blocks of information in the form of data and instructions. The cache unit further includes an instruction buffer having first and second sections for storing instruc-tions received from main store.  Each instruction buffer section includes a plurality of word storage locations, each location having a number of bit positions.  A predetermined bit position of each loca-tion is used to indicate when an instruction word has been written into the location.  Control apparatus coupled to each of the buffer sections is operative to reset all of the word locations to binary ZEROS when a command requesting an instruction block from main store is ready to be transferred thereto.  It is set to a binary ONE state when an instruction word is loaded into the location.  Instruction buffer ready circuits included within the control apparatus are conditioned by the states of the predetermined bit positions of the locations to generate output signals to the processing unit enabling the transfer of requested instruction words to the processing unit as soon as they are received from main store.
Patent CA-1134154-A (CA)
Inventor: STATHAM JOHN A IRONWOOD ROAD G
IPC: B63B22/02
Filed: 1980-01-11
Granted: 1982-10-26
Abstract: ABSTRACT OF THE DISCLOSURE     For mooring a vessel such as an oil tanker, especially in shallow water, a squat base unit is located on the sea bed.   The lower end of an articulated swivelling arm is built into the base unit in such a way that the upper end is free to rotate about three axes and to move vertically and horizontally around and over the base unit within the confines of a circle whose radius is defined by the geometry and weight of the arm and the height and attitude of the top section of the arm.   A hawser, attached to the head of the arm, enables the head to be lifted by a tanker until the head of the arm engages into a reception chamber built into the underside of the tanker hull.   By hauling in the hawser and lifting the head, the tanker locates itself within a working radius of the base unit and is moored by the arm to the base unit.   The head of the mooring arm is held rigidly in the reception chamber and is able to move with the ship by virtue of its' freedom of movement.   The base unit can take the form of an oil reservoir and the arm can be formed of hollow tubes which are used to transfer fluid between the base unit and the tanker.   When not in use the mooring arm lies flat on the base unit on the sea bed (or within a depression in the sea bed), where it is in no danger of damage from deep keels.
Patent CA-1165916-A (CA)
Inventor: FERRIEU GILBERT M M
IPC: H04M19/00
Filed: 1980-06-18
Granted: 1984-04-17
Abstract: PHF. 79/539             38 ABSTRACT:                 For feeding a subscriber's line, this junctor comprises a symmetrical amplifier whose two input terminals receive two negative feedback voltages derived from a weighted sum current of the currents entering and leaving the subscriber's line.  To form this weighted sum current, use is made of a current mirror whose summing and input terminals are connected respectively to one terminal  of the supply source and to the corresponding supply terminal of the amplifier, and a voltage divider connected between the output of the current mirror and the other terminal of the supply source and whose intermediate terminal is connected to the other supply terminal of the amplifier. The voltage ratio of the voltage divider is equal to the current ratio of the current mirror. The voltage at the ends of the volt-age divider is applied to a voltage follower which is regu-lated to provide the weighted sum current with the desired amplitude. This junctor is used for connecting  a telephone exchange to the subscriber's line.
Patent CA-1143586-A (CA)
Inventor: PUDERBAUGH GEORGE
IPC: A61B5/093
Filed: 1980-07-02
Granted: 1983-03-29
Abstract: Abstract of the Disclosure A spirometer for encouraging inhalation exercises and particularly for indicating the volume of air that is inhaled by the user. The spirometer comprises a two-part generally cylindrical housing having a bellows assembly positioned therein. A breathing tube is connected to a port in the housing that communicates with the interior of the bellows.          By inhaling through the breathing tube the user causes the bellows to contract and a pointer on the bellows coacts with a scale on the housing to indicate the amount of air that has been inhaled.  Each of the housing parts is formed with a plurality of spaced apart discrete wall sections and the sections of the two parts interfit with one another to reduce the size of the spirometer for shipping.
Patent CA-1134508-A (CA)
Inventor: DREXLER JEROME
IPC: G11B7/24
Filed: 1980-07-04
Granted: 1982-10-26
Abstract: ABSTRACT            A broadband laser recording and data storage medium for direct read after writing, formed from a photosensitive silver-halide emulsion in four steps.  First, a non-saturating actinic radiation exposure is used to create latent images.  A normal photographic development is used to produce a medium of gray neutral density.  The surface of the remaining silver halide is fogged in a water or alcohol based solution to create a very thin layer of silver precipitating nuclei on the surface. Finally, a single-step, negative silver diffusion trans-fer process is used to dissolve the unexposed and un-developed silver halide, forming silver ion complexes. These complexes are transported by diffusion transfer to the sites of the silver precipitating nuclei and the filamentary silver on the surface, where the silver com-plexes are reduced to metallic silver on both the nuclei and the filamentary silver to form a high concentration of non-filamentary silver particles at the surface of a low melting temperature colloid matrix which is highly reflective of light and electrically non-conducting.
Patent CA-1151916-A (CA)
Inventor: LAIZANS VITOLDS
IPC: G03B21/00
Filed: 1980-09-30
Granted: 1983-08-16
Abstract: HAND-HELD TRANSPARENCY PROJECTOR WITH SIMPLE             ADVANCE MECHANISM               Abstract of the Disclosure A hand-held transparency projector includes a housing having a recess formed in the housing for carrying a film cartridge, and a projection aperture in one end of the housing through which the images on the film in the cartridge may be projected.  The housing carries a film driving mechanism for advancing the film within the cartridge past the  projecting aperture when the cartridge is carried within the recess of the projector.  The film driving mechanism includes a claw mounted for slideable forward and return movements within the housing, the claw engaging perforations in the  film at the end of the forward movement and advancing the film during the return movement in discrete steps of one frame.          In addition there is an actuating lever for selective elec-trical connection of a projector light source within a battery source.
Patent CA-1124119-A (CA)
Inventor: OKAMOTO KATSUNARI
IPC: C03C13/04
Filed: 1980-10-01
Granted: 1982-05-25
Abstract: Abstract of the Disclosure In a single mode optical fiber of the type comprising a core, a cladding surrounding the core and an intermediate layer, the refractive indices n1, n2 and n3 respectively of the core, the cladding and the intermediate layer are selected such that the following relations are satisfied 0.5  < ?l <  1.5 -0.3  > ?2 >  -1.0 where       x 100% and        x 100%     This optical fiber has a transmission characteristic over a wider frequency band than the prior art and can provide a wave length muLtiplex transmission.
Patent CA-1150399-A (CA)
Inventor: MITA SEIICHI
IPC: G11B5/09
Filed: 1980-10-08
Granted: 1983-07-19
Abstract: ABSTRACT OF THE DISCLOSURE         Magnetic recording and reproducing method and apparatus for digital signals.  An input binary digital signal is converted into an intermediate signal series by a precoder having a delay circuit for two-time slot delay and a modulo-2 adder.  The intermediate signal series is branched to two paths.  One signal on one path is delayed by one time slot and subtracted from the other signal on the other path to produce a recording signal to be recorded on a recording medium.  A signal reproduced from the recording medium is branched to two paths.  One signal on one path is delayed by one time slot and added to the other signal on the other path.          The added signal is decoded to produce a binary signal which corresponds to the input binary digital signal.
Patent CA-1119205-A (CA)
Title: Process for the separation of dienic and/or  aromatic hydrocarbons from hydrocarbon fractions  containing them with the aid of sulfonamides, and  new sulfonamides useful in this process of  separation
Inventor: ATLANI MARTIAL
IPC: C07C15/04
Filed: 1980-10-29
Granted: 1982-03-02
Abstract: ABSTRACT OF THE DISCLOSURE         Process for the extraction of aromatic hydrocarbons from petroleum hydrocarbon fractions employing sulfonamides as solvents.  Also described are new sulfonamides useful as solvents for the extraction process.
Patent CA-1152045-A (CA)
Title: Housing assembly for split crankcase radial  compressor
Inventor: SIEWERT HERBERT G
IPC: F04B39/14
Filed: 1980-11-06
Granted: 1983-08-16
Abstract: HOUSING ASSEMBLY FOR SPLIT CRANKCASE RADIAL COMPRESSOR               ABSTRACT OF THE DISCLOSURE    A housing assembly for a scotch yoke radial compressor especially adapted for use in automotive air-conditioners having a cast crankcase which is split along a plane axially passing through the center lines of the radially oriented cylinders.  Each half of the crankcase has a plurality of radially extending semi-cylindrical recesses which, when assembled, form the cylinders. A steel outer housing encloses the crankcase and serves to form the intake and outlet chambers.  The housing is formed of two halves which are joined together along a fluid-tight interface and additionally strengthened by means of a plurality of tie rods which pass through openings in the crankcase and clamp the housing halves tightly together.  The tie rods pass through eyelet rivets disposed within the openings in the crankcase. The rivets are clinched so as to secure the crankcase halves together and seal the interface between the crankcase halves in the area of the tie rod openings. The eyelet rivets also serve to provide a guide for the tie rods during assembly for ease in mating the two halves of the housing.
Patent CA-1156296-A (CA)
Inventor: DIMARCO BERNARD
IPC: H01H71/24
Filed: 1980-11-26
Granted: 1983-11-01
Abstract: ABSTRACT OF THE DISCLOSURE           A molded housing contains a pair of cooperating contacts arranged to be magnetically blown open and an arc chute therefor.  The contacts are biased closed and there is no mechanism for manually operating or latching open the contacts.  The magnetically blown-open contacts are connected in series with respective poles of a conventional circuit interrupter which also has magnetically blown open contacts but which also has manual operating means and latch means for the contact system.