baber/WOPTO huggingface dataset:
Patent CA-1275737-C (CA)
Inventor: SCHOOFS FRANCISCUS A C M
IPC: H03M1/00
Filed: 1986-01-10
Granted: 1990-10-30
Abstract: ABSTRACT:           The currents (I3, I4, I5) of first current-source transistors (T3, T4, T5) constitute a binary weighted series of currents, which currents are each in a given ratio to a current (I1) which is applied to a reference transistor (T1).  The currents (I3, I4, I5) from the first current-source transistors (T3, T4, T5) are switched to the analog output (15) or to the positive power-supply terminal (20) by means of first switching devices (3.1, 3.2, 3.3).  The converter further comprises a contxol device (30), which comprises a second current-source transistor (T8), which is connected to a refer-ence-current source (2) or to the positive power-supply terminal (20) by means of a second switching device (4). The current (I8) from the second current-source transis-tor (T8) has a given ratio to the current (I1) in the reference transistor (T1).  If the second current-source transistor (T8) is connected to the positive power-supply terminal (20), the reference transistor (T1) will carry the full reference current (Iref) from the reference cur-rent source (2), and if the second current-source tran-sistor (T8) is connected to the reference current source (2) the reference transistor (T1) will carry only a frac-tion of the reference current (Iref).  As the currents (I3, I4, I5) from the first current-source transistors (T3, T4, T5) are in a given ratio to the current (I1) in the reference transistor (T1), these currents (I3, I4, I5) are a similar fraction smaller in the first case than in the second case.  By increasing the current (I1) in the reference transistor (T1) stepwise from a fraction to the full reference current (Iref) over the range of the digi-tal input code, the output current range of the converter will also vary stepwise.
Patent CA-1300044-C (CA)
Title: Armature rotors of electromagnetic brakes
Inventor: COURTOIS JEAN-CLAUDE
IPC: H02K49/04
Filed: 1986-07-11
Granted: 1992-05-05
Abstract: IMPROVEMENTS  IN  ARMATURE  ROTORS  OF  ELECTROMAGNETIC    BRAKES          ABSRACT          To  improve the cooling of  the rotor   armature  (2), of  an  electromagnetic  brake,  joined  to  an  outer flange (11)  by  a  ring  of  ventilating  find,  these fins are constituted by two or three rings of incurved tiles  (9 1,  9 2,  93 )  straddling  radially  in  part.        (Figure 1)
Patent CA-1278861-C (CA)
Title: Data storage apparatus for digital data processing system
Inventor: COPE DAVID
IPC: G11C5/02
Filed: 1986-08-07
Granted: 1991-01-08
Abstract: Abstract of the Disclosure A data storage device for use in a digital data processing system that stores digital data in addressable storage locations on a stationary planar magnetic medium.          The storage device includes a magnetic head module that, in turn, includes a plurality of individually energizable read/write heads forming an array across one surface of the module, the individual heads corresponding to the addresses.  The magnetic medium is placed in juxtaposition with the surface of the module that includes the array.  When a head is energized it generates a magnetic field to magnetize a region of the magnetic medium proximate the head thereby to store data on the medium.  To read data from the medium, the head is energized to generate a magnetic field in a selected direction.  An electrical voltage is generated in the head winding, the amplitude of which indicates the value of the stored data.  After the location is read, the data is re-written in the location.
Patent CA-1308024-C (CA)
Title: Vitamin-containing granules and production thereof
Inventor: IZUHARA SEIJI
IPC: A61K31/195
Filed: 1986-10-01
Granted: 1992-09-29
Abstract: Abstract of the Disclosure A vitamin-containing granule substantially comprising one or more compounds selected from the group consisting of vitamin B6, vitamin B2, nicotinamide and a pantothenic acid salt and a binding agent, said compound or compounds accounting for 90 to 99 weight % of the granules on the dry basis can be prepared by spray-coating the powders of said compound or compounds with a solution containing a binder while maintaining the powders in the fluidized state in a fluidized-bed granulation apparatus.  The granules are highly flowable and blend well with other medicaments, granules, additives, and so on.  In addition to this, the granules have excellent compressibility so that they can be processed into tablets with small amounts of excipients and the tablets therefrom have satisfactory high hardness.
Patent CA-1285114-C (CA)
Title: Extrusion system
Inventor: FABIAN ELLIS
IPC: B29C48/32
Filed: 1986-12-12
Granted: 1991-06-25
Abstract: ABSTRACT Apparatus for extruding a pliable, thin-walled tube comprising an extrusion and shaping die assembly comprising an annular die body, a mandrel supported within the annular die body, a mandrel extension mounted on the mandrel adjacent the die outlet, the mandrel extension having a diameter less than the diameter of the mandrel, a sizing disk supported by the mandrel extension, and means to supply molten polymeric material to the die assembly under pressure to force the material through an annular extrusion flow channel around the mandrel and out the die outlet thereby forming a moving tube of the material, the mandrel extension extending outwardly from the die in the direction in which the tube isextruded, the annular die body having at least one fluid passageway to channel fluid introduced under pressure into the annular die body axially through the mandrel and outwardly from the axis of the mandrel extension to form an air pillow adapted to cool and support the tube around and spaced from the mandrel extension, and the sizing disk being adapted to restrict escape of the fluid and to define a chamber in cooperation with the tube of the molten polymeric material for confining the air pillow around the mandrel extension. This apparatus may be employed in a process to prepare a pliable, thin-walled tube.
Patent CA-1298352-C (CA)
Title: Noise reduction apparatus
Inventor: TAKAYAMA KAZUO
IPC: H03G3/34
Filed: 1987-01-20
Granted: 1992-03-31
Abstract: NOISE REDUCTION APPARATUS                 ABSTRACT OF THE DISCLOSURE      A noise reduction apparatus in which an input signal is supplied to a first signal path (2) including a variable low-pass filter (2) and a second signal path (1), a control circuit (4) control is such that a cut-off frequency of the variable low-pass filter (2) is varied in accordance with a frequency of the input signal S(1), and an output signal is obtained from the first signal path when noise is generated and from the second signal path when noise is not generated.
Patent CA-1278904-C (CA)
Title: Paper of high wet strength and process for making same
Inventor: FU YUN-LUNG
IPC: C08F8/22
Filed: 1987-05-01
Granted: 1991-01-15
Abstract: TITLE OF THE INVENTION Paper of High Wet Strength and Process for Making Same ABSTRACT OF THE DISCLOSURE     Cellulosic fibers combined or treated with N-chloro-amide polymer to impart wet-strength thereto when in the form of paper and a process for preparing such paper, are disclosed.
Patent CA-1286785-C (CA)
Title: Universal programmable counter/timer and address register module
Inventor: LEBEL JOSEPH A
IPC: G06F1/03
Filed: 1987-05-04
Granted: 1991-07-23
Abstract: ABSTRACT OF THE DISCLOSURE      A programmable apparatus for use as an accumulator, a time base generator or a memory address register.  A clock input receives a clock input signal.  A computer input, which may include a bidirectional data bus, receives inputs from a computer.  A processor processes at least one of the clock input signal and the input from the computer to produce at least one output.  A control circuit controls the processor in accordance with further input. from the computer to deter-mine the output produced.  An output selector, which may in-clude a multiplexer for directly addressing memory, selects at least one output to be used externally of the apparatus.
Patent CA-1282760-C (CA)
Title: Jaw type crushing apparatus
Inventor: STEWART GERALD W
IPC: B02C1/06
Filed: 1987-06-12
Granted: 1991-04-09
Abstract: CRUSHING APPARATUS                 ABSTRACT OF THE DISCLOSURE            A  crushing  apparatus  has  an  hydraulic  cylinder  for actuating a toggle mechanism connected to a moveable jaw.          The apparatus may have a main frame with an opening near the  top  of  the  frame  for  admitting  material  to  be crushed.  There is a first jaw connected to the frame on one side of the opening by a first pivotal connection near the  top  of  the  jaw.   A  first  toggle  mechanism  is operatively associated with the first jaw.  There may also be a second jaw connected to the frame on a side of the opening  opposite  the  first  jaw  by  a  second  pivotal connection near the bottom of the second jaw.   A second toggle mechanism is operatively associated with the bottom mounted jaw.   The  crushing  apparatus  may have  a  toggle mount which is movable towards or away from the associated jaw.
Patent CA-1281781-C (CA)
Title: Machine de soudage a l'arc sous gaz inerte a electrode rotative et son utilisation
Inventor: GAUDIN JEAN PAUL
IPC: B23K9/28
Filed: 1987-06-22
Granted: 1991-03-19
Abstract: Machine de soudage à l'arc sous gaz inerte à électrode rotative et son utilisation DU CONTENU TECHNIQUE DE L'INVENTION Pour le soudage interne orbital de pièces cylindriques creuses difficilement accessibles, l'enveloppe externe du boîtier de liaison (7) de la machine de soudage est constituée par un premier carter (7a) et un second carter (7b) assemblés l'un à l'autre par une surface plane (44). Le support d'électrode (10) est monté rotatif dans un palier (30) fixé dans le premier carter (7a) autour d'un axe de rotation (42). L'arbre de transmission (40) de la rotation au support d'électrode (10) est monté rotatif dans un palier (28) fixé dans le second carter (7b) autour d'un axe de rotation (43). Les axes (42) et (43) sont concourants en un point O de la surface (44) et font un angle avec la normale en O à la surface (44). On peut régler le désalignement des axes (42) et (43) par rotation des carters (7a, 7b) l'un par rapport à l'autre. L'invention s'applique en particulier au chemisage interne des tubes de générateur de vapeur des réacteurs nucléaires à eau sous pression. Fig. 3
Patent CA-1289234-C (CA)
Title: Railway signalling system
Inventor: NORTON DAVID J
IPC: B61L25/06
Filed: 1987-07-14
Granted: 1991-09-17
Abstract: ABSTRACT          A  railway  signalling  system  includes  a plurality of trackside equipments (11,12) and means (1,2,3,4,6, 15,16)   for  transmitting  control  information  to the  equipments  and  receiving  status  information therefrom,  each of  the  trackside  equipments  being provided with a  respective  microprocessor  (13  or 14) via which such control information is transmitted from the said means to the equipment and via which such status  information  is received by said means from the equipment.
Patent CA-1295430-C (CA)
Title: Head and neck foam pillow
Inventor: SCHAEFER DANIEL J
IPC: A47G9/10
Filed: 1987-08-21
Granted: 1992-02-04
Abstract: ABSTRACT OF THE INVENTION     A foam pillow has two main support surfaces on opposing sides thereof.  One surface includes convolutions defining a relatively flat profile and the other surface includes longitudinal ribs of arcuate cross-section, which define a curved profile having at least two prominent lobes of differing heights and a central trough.  The pillow is particularly adapted for support of a person's head in the trough, with the user's neck received on one of the lobes.  Reversal of the lobes permits variation in the amount of neck support.  The ribs comprise spherical ridges and have circular channels separating their bases to provide a heat and moisture dissipation function.  The curved support surface may include cross-hatching at various intervals to provide extra dispersion of pressure.
Patent CA-1309361-C (CA)
Title: Gas mixture separator utilizing pressure modulation
Inventor: IZUMI JUN
IPC: B01D53/047
Filed: 1987-12-07
Granted: 1992-10-27
Abstract: 7.   ABSTRACT OF THE DISCLOSURE:      A gas mixture separator having adsorbent with pressure dependent adsorptivity is constructed using a cylinder and a piston as a means of pressure modulation necessary for the adsorption and desorption of gas components to be separated.  A plurality of separators thus constructed are lined up for more economical operation.  Along with a size reduction and a shortened operational period thus achieved, a large reduction in power consumption and equipment cost becomes possible.
Patent CA-1340960-C (CA)
Title: Chroman derivatives
Inventor: BERGMANN ROLF
IPC: A61K31/435
Filed: 1987-12-21
Granted: 2000-04-18
Abstract: Chroman derivatives of the formula I (see formula I) have an action on the cardiovascular system. In formula I R1 is alkyl having 1-6 carbon atoms and R2 is hydrogen or alkyl having 1-6 carbon atoms or R1 and R2 together form an alkylene group of 3-6 carbon atoms. R3 is OH or OAc, wherein Ac is formyl or alkanoyl of 2-6 carbon atoms or amyl having 7-11 carbon atoms and R4 is H, or R3 and R4 together form a bond. R5 is a nitrogen-containing heterocyclic group and R6 and R7 are hydrogen or a substituent, suitable substituents including hydroxy, alkoxy, alkyl, formyl and alkanoyl.
Patent CA-1307385-C (CA)
Title: Method of making shaped ceramic composites
Inventor: KENNEDY CHRISTOPHER R
IPC: C04B35/10
Filed: 1987-12-22
Granted: 1992-09-15
Abstract: TITLE           METHOD OF MAKING SHAPED CERAMIC COMPOSITES                          APPLICANT LANXIDE TECHNOLOGY COMPANY, LP                          INVENTOR Christopher Robin KENNEDY          -and-Marc Stevens NEWKIRK                            ABSTRACT The present invention provides a method for producing a self-supporting ceramic composite by the oxidation of a parent metal to form a polycrystalline ceramic material consisting essentially of the oxidation reaction product of the parent metal with an oxidant, including a vapor-phase oxidant, and, optionally, one or more metallic constituents. A permeable filler material, such as a preform, with at least one surface bearing a permeable stratum, is contacted with a body of molten parent metal heated to a temperature above its melting point but below the melting point of the oxidation reaction product.  At least a portion of the oxidation reaction product is maintained in contact with and between the molten metal and oxidant to transport the molten metal through the oxidation reaction product toward the permeable stratum and into contact with the oxidant so that the oxidation reaction product continues to form at the interface between the oxidant and previously formed oxidation reaction product that has infiltrated the filler  material.  The reaction is continued to infiltrate at least a portion of the stratum with the oxidation reaction product and to produce an intermediate ceramic body having an adjacent ceramic composite overlaid with a ceramic stratum.  The ceramic stratum is removed from the underlying ceramic composite to produce a self-supporting ceramic composite having the surface established by the permeable stratum.
Patent CA-1298775-C (CA)
Inventor: GAUMER LEE S JR
IPC: F25J1/02
Filed: 1987-12-31
Granted: 1992-04-14
Abstract: ABSTRACT    The present invention is a process for the liquefaction of hydrogen which utilizes A dense fluid expander and neon as a precoolant refrigerant.  In the process, a two phase mixture containing about 85-90% liquid of greater than 95% para-hydrogen is produced in a dense fluid expander.  Most of the refrigeration for liquefaction is supplied by a neon refrigeration system, consisting of a centrifugal compressor, heat exchangers and one or more stages of neon expansion.  As an option, further refrigeration may be supplied utilizing liquid nitrogen as another precoolant.
Patent CA-1299631-C (CA)
Inventor: BALDERSON SIMON
IPC: H05B3/26
Filed: 1988-02-24
Granted: 1992-04-28
Abstract: Abstract THICK FILM ELECTRICALLY RESISTIVE TRACKS      The inventor has found that, irrespective of track thickness or the material of which the track is constructed, the optimum track width for a thick film heater track is in the range of from 1.2mm to 2.1mm.  Further advantage accrues in that for a given resistance the track is longer and may be conformed to a pattern to give improved temperature distribution.     A heating element is also provided, comprising a plurality of thick film electrically resistive tracks (8) applied to the surface of an electrically insulative substrate and switching means (10) for selectively connecting one or more of said tracks to a power supply.  The resistance and hence the operating temperature of the heating element may be varied by changing the track or tracks (8) connected to said switching means (10).
Patent CA-1303308-C (CA)
Title: Spring-damper hinge assembly
Inventor: PALMERI JOANN
IPC: E05F1/12
Filed: 1988-03-01
Granted: 1992-06-16
Abstract: SPRING-DAMPER HINGE ASSEMBLY   Abstract of the Disclosure A spring damper hinge assembly is provided by a first hinge half being a clevis structure with a cylindrical hinge bolt extending across the remote ends and a second hinge half having a hollow cylindrical shaft of a slightly larger diameter than the bolt mounted coaxially about the bolt by angular contact or ball bearings.  A negator spring is coupled between the first and second hinge halves for providing the drive torque between the hinge halves.  Damping is provided by a highly viscous damping fluid sealed in the gap between the bolt and the shaft to provide damping between said bolt and said shaft.
Patent CA-1304186-C (CA)
Title: Moisture-hardening binder compositions, a process for their production and their use
Inventor: BLUM HARALD
IPC: C09D139/00
Filed: 1988-03-30
Granted: 1992-06-23
Abstract: MOISTURE-HARDENING BINDER COMPOSITIONS, A PROCESS FOR THEIR PRODUCTION AND THEIR USE            Abstract of the disclosure Binder compositions comprising A) copolymers having a molecular weight of from 1500 to 75000 of maleic acid anhydride with other selected olefinically unsaturated monomers B) organic polyamines with aldimine- and/or ketimine-blocked amino groups and, optionally reaction products containing amide groups of (i) copolymers A) with (ii) polyamines having free and blocked amino groups, a process for the production of these compositions by mixing components A) and B) and  optionally partially blocked polyamines which react with a part of component A) under formation of component C) as well as the use of these binder compositions as binder in lacquers, coating compo-sitions or sealing compounds.
Patent CA-1291732-C (CA)
Title: Parts supply hopper
Inventor: KANDO AKIYOSHI
IPC: B65G47/14
Filed: 1988-04-13
Granted: 1991-11-05
Abstract: ABSTRACT OF THE DISCLOSURE A parts supply hopper operatively associated with a parts feeder for supplying the latter with a predetermined amount of articles, includes a generally cup-shaped container held in an angular position and rotatably at least through an angle of 180 degrees, and a partition wall disposed in the container so as to define therebetween upper and lower chambers disposed on opposite sides of the partition wall.  The partition wall has a transfer aperture communicating between the upper and lower chambers.  The container has a discharge outlet opening defined in its peripheral wall and communicating with the lower chamber, the discharge outlet opening being located in diametrically opposed relation to the transfer aperture.
Patent CA-1329384-C (CA)
Inventor: HOOVER GREGORY A
IPC: B65D33/06
Filed: 1988-04-26
Granted: 1994-05-10
Abstract: ABSTRACT OF THE DISCLOSURE         In a plastic T-shirt bag having overlying front and rear bag walls with upper edges forming the bag mouth and sealed lower edges forming a closed bottom, the bag walls including pleats extending vertically from the bag mouth downward with the pleats defining multiple overlying panels including an intermediate panel.  The intermediate panel in each pleat, upon an outward lateral movement of the opposed bag handles, reverses its position to effect an opening of the pleat and a corresponding separation of the bag walls, particularly at the mouth thereof.
Patent CA-1284085-C (CA)
Inventor: KABE KAZUYUKI
IPC: B60C9/20
Filed: 1988-05-25
Granted: 1991-05-14
Abstract: Abstract of the Disclosure An improvement in the structure of the belt portion of a heavy duty pneumatic radial tire for use in trucks, large-size buses, small-sized trucks, etc., and more particularly, a heavy duty pneumatic radial tire improved with respect to the driving stability under heavy duty conditions while ensuring the durability of the tire (belt portion) during high speed running through the provision of at least three belt layers between the tread surface and the carcass layer of the tire and the specification of the relationships between the angles of the cords constituting these plurality of belt layers.
Patent CA-1292785-C (CA)
Title: Dual mode dielectric resonator filters without iris
Inventor: ZAKI KAWTHAR A
IPC: H03H9/205
Filed: 1988-06-08
Granted: 1991-12-03
Abstract: ABSTRACT OF THE DISCLOSURE A microwave band pass filter including dual-mode dielectric resonators mounted in a tubular enclosure to achieve coupling among the resonators without an iris.  The filter is implemented in a canonical symmetric form, a longitudinal dual-mode realization or a canonical asymmetric form.  The microwave band pass filter has input and output coaxial probes located along the enclosure with tuning and coupling screws provided to enable adjustment control of the frequency of resonance of the dielectric resonators and to control the coupling of energy from one resonant mode to an orthogonal mode in the same resonator.  Lastly, the coupling of energy from one resonator to an adjacent resonator is accomplished by properly placed coupling screws.
Patent CA-1301424-C (CA)
Title: Back-splash molding
Inventor: HARRISON WALTER L
IPC: E04F19/02
Filed: 1988-07-11
Granted: 1992-05-26
Abstract: ABSTRACT OF THE DISCLOSURE        A deformable molding is provided to form watertight sealing between formica covered panel members such as back-splash boards and countertops.  The molding includes a first part to fit between first and second panel members and to be secured thereto by pressure-sensitive adhesive means.  The molding also includes a pair of lip portions adapted to be biased into pressure sealing contact with respective adjacent panel members.
Patent CA-1309688-C (CA)
Title: Purification of diphenyl phthalates
Inventor: STAUTZENBERGER ADIN L
IPC: C07C67/52
Filed: 1988-08-03
Granted: 1992-11-03
Abstract: ABSTRACT Color properties of crude phenolic esters of aromatic dicarboxylic acids are improved by comminuting the ester to a finely divided particle size in the presence of an aqueous or alcoholic alkali solution and thereafter distilling the esters to obtain phenolic esters of reduced color.
Patent CA-1301294-C (CA)
Title: Modularly structured digital communications system
Inventor: KUHLMANN KLAUS
IPC: H04Q11/04
Filed: 1988-08-19
Granted: 1992-05-19
Abstract: ABSTRACT OF THE DISCLOSURE      Modularly Structured Digital Communications System.  The multi-tasking operating system of a central system processor control administers a line technology task having device program modules associated with types of terminal equipment and administers a switching technology task having switching procedure program modules independent of the class of terminal equipment and independent of communications service.  The line technology task and the switching technology task each have input and output memories operated mailbox like allocated to them.  For exchange of messages between the tasks, the multi-tasking operating system have a program bus structure with a transmission protocol defined with universal validity independently of communications service and independently of type of terminal equipment.