baber/WOPTO huggingface dataset:
Patent CA-1285426-C (CA)
Inventor: DAVEY RAYMOND G
IPC: B41F15/46
Filed: 1987-11-27
Granted: 1991-07-02
Abstract: METHOD OF PRINTING A RAISED PATTERN OF LIQUID                 Abstract of the Disclosure The invention is directed to a method of printing a pattern on a substrate, the liquid retained within the printing screen is in a first position directly above the point of tangency between the screen and substrate so that a lesser quantity of liquid is deposited to provide raised beads of liquid comparable in size to the size of the apertures of the screen.          The reservoir of liquid is shifted away from the point of tangency and therefore a larger quantity of liquid passes through the apertures because the apertures are now spaced from the substrate.  The larger quanti-ties of liquid flow together and therefore, a pattern is provided larger than the aperture size of the screen.
Patent CA-1298735-C (CA)
Title: Discarding sabots
Inventor: BAXTER JAMES E
IPC: F42B14/06
Filed: 1987-12-23
Granted: 1992-04-14
Abstract: ABSTRACT     A sabot for use with a spin stabilised projectile comprises a closed front end portion having lines or strips of weakness running along sides of the sabot which meet at a front end surface of the sabot, thereby providing a continuously extending line or region of weakness across the front end surface.    Preferably, the sabot front end portion-has at least three, desirably four or more, lines or strips of weakness running along the length of the front end portion.  These lines or strips may meet at an intersection of lines or strips at the front end surface, but they preferably meet at a front end membrane region.    Discarding sabots according to the present invention are especially suitable for use with tubular projectiles. These projectiles may for example be used in training ammunition rounds which are suitable for firing from the UK 30mm RARDEN (UK Registered Trade Mark) Gun.
Patent CA-1308916-C (CA)
Title: Thermophilic microbial treatment of precious metal ores
Inventor: HUTCHINS STEPHEN R
IPC: C22B3/18
Filed: 1988-01-11
Granted: 1992-10-20
Abstract: ABSTRACT     A method is provided for the recovery of precious metals, such as gold and silver, from refractory sulfidic material and refractory carbonaceous sulfidic material.  The sulfidic material is pulped and bioleached using either facultative or obligate thermophiles at temperatures in excess of about 45°C and ranging up to about 90°C.  The residue remaining from the bioleach is neutralized and washed and the precious metals therein recovered by dissolution.
Patent CA-1312732-C (CA)
Title: Fuel-oxidant mixture for detonation gun flame-plating
Inventor: JACKSON JOHN E
IPC: C10L3/02
Filed: 1988-03-08
Granted: 1993-01-19
Abstract: FUEL-OXIDANT MIXTURE FOR DETONATION GUN FLAME-PLATING                       ABSTRACT The invention relates to a fuel-oxidant mixture for detonation gun applications comprising an oxidant such as oxygen and a fuel mixture of two combustible gases such as acetylene and propylene. The invention also relates to articles coated in a process using this fuel-oxidant mixture.
Patent CA-1302832-C (CA)
Inventor: KUD ALEXANDER
IPC: C11D3/37
Filed: 1988-03-25
Granted: 1992-06-09
Abstract: Abstract of the Disclosure:  A detergent containing as grayness inhibitor in the wash and aftertreatment of tex-tile material containing synthetic fibers graft polymers obtainable by grafting a)     a polyalkylene oxide which has a number average molecular weight of from 300 to 100,000, is based on ethylene oxide, propylene oxide and/or butylene oxide, and is end group capped at at least one end, with b)     at least one vinyl ester derived from a saturated monocarboxylic acid containing 1 to 6 carbon atoms and/or a methyl or ethyl ester of acrylic or methacrylic acid in a weight ratio (a):(b) of from 1:0.2 to 1:10.
Patent CA-1298712-C (CA)
Title: Removable bottom founded structure
Inventor: BESKOW ROBERT H
IPC: E02B/
Filed: 1988-04-11
Granted: 1992-04-14
Abstract: ABSTRACT OF THE DISCLOSURE The Removable Bottom Founded Structure (RBFS) is an offshore platform for petroleum drilling and producing operations intended for deployment in waters with severe weather and iceberg conditions.  It is a two-part struc-ture comprising (1) a platform which is made up of a deck structure, multiple columns and braces; and (2) a rein-forced concrete subbase that rests on the sea floor and upon which the platform is founded.  The structure is normally held down by gravity for standard ? platform oper-ations, but during the deballasting procedure due to an iceberg emergency a hold-down system is employed to keep the platform on the subbase until full deballasting is achieved.  The system that is used to hold the platform down onto the subbase is located where the platform meets the subbase.  It operates on the principle of hydro-statics.  On the underside of the columns there are mul-tiple chambers which may be evacuated by pumping and which are vented to the outside atmosphere.  Flexible seals that define these chambers are positively inflated by water to create a fluid-tight seal so that no seawater will enter the evacuated chambers.  The reduction of the buoyancy forces will hold the platform onto the subbase until such time as the platform is totally deballasted.  Once that has occurred, the hydrostatic hold-down system is disen-gaged and the platform will quickly rise to the surface to assume its floating draft and avoid the iceberg danger. An effective load transfer system between the platform and the subbase is also disclosed.
Patent CA-1333937-C (CA)
Inventor: VENNERS HOWARD W
IPC: G11B20/02
Filed: 1988-05-05
Granted: 1995-01-10
Abstract: A component audio/video system includes a system controller having an input/output port adapted for connection via a bidirectional data bus to a plurality of peripheral audio/video devices.  At times determined by a system master clock the controller transmits, via the bidirectional bus, user programmed sequences of commands at user specified times to user selected peripheral devices for controlling the operating modes thereof.  After transmission of a command of a sequence, the controller monitors the bus to detect a received return status message from the selected device and in response to the received message selectively (1) re-transmits the last command, (2) interrupts the transmission and (3) transmits a further command in the sequence whereby a number of individual devices may be controlled by a single master clock and the possibility of conflict between a currently transmitted command and a current device operatinq mode is minimized.
Patent CA-1331760-C (CA)
Title: Unsaturated bisimides and polymers thereof
Inventor: KRAMER ANDREAS
IPC: C07D403/08
Filed: 1988-05-20
Granted: 1994-08-30
Abstract: Unsaturated bisimides and polymers thereof Abstract Bisimides of the formula I                                (I) , in which, for example, R1 is hydrogen, x is 1, y is zero and R is bis-(1,4-phenylene)-methane are intermediates for the preparation of poly-mers having excellent physical properties, and are suitable for the production of mouldings, coatings and adhesive joints and, in particu-lar, for the production of prepregs and heat-resistant composite mate-rials.
Patent CA-1300992-C (CA)
Title: Venting system with natural convection cooling
Inventor: MARRAN JOHN D
IPC: F23J13/02
Filed: 1988-05-27
Granted: 1992-05-19
Abstract: ABSTRACT OF THE DISCLOSURE      A venting system using natural convection cooling is disclosed in which a sleeve is inserted within a flue pipe.  The annulus between that sleeve and the flue pipe is sealed at an inside end and the flue pipe is provided with a plurality of vent holes in the periphery of its outer end, which is positioned outside a building.  That annulus forms a cooling passage and outside air is drawn through the annulus by a natural convection process to dramatically lower the flue pipe temperature.  The outer end of that sleeve is open to a vent hood.  An outer wall sleeve is also positioned around the flue pipe and sealed at one end in order to form an annulus containing an insulating air layer.  That reduces the heat conduction to the outer wall sleeve, substantially reducing the outer wall sleeve temperature.  The venting system also includes a vent hood having a double hood in which the outermost hood is spaced from the inner one.  By arranging the outer hood to be open at the top and bottom, a natural convection process provides cooling air which rises through the space between the inner and outer walls, preventing convective and radiant heat from the inner hot hood from being transmitted to the outer hood, and reducing the temperature of the outer hood to a level which permits touching without injury.
Patent CA-1293141-C (CA)
Inventor: WILLIAMS EDWARD A
IPC: B25B27/04
Filed: 1988-06-27
Granted: 1991-12-17
Abstract: ABSTRACT OF THE DISCLOSURE        A tool housing includes first and second coaxial openings on opposite sides of the housing.  Wall structure is provided for guiding the key head into the interior of the housing, where the key head is engaged by retaining structure.  The second opening has an ejector member mounted therein for movement toward and away from the first opening.  When the user of the tool wishes to eject the key from the housing, he pushes on the outer portion of the ejector member, causing the portion of the member innermost to the housing to contact the key head and to disengage and displace it outwardly through the first opening, thereby releasing the key from the housing.
Patent CA-1286600-C (CA)
Title: Downhole lock assembly
Inventor: ZWART KLAAS
IPC: E21B23/02
Filed: 1988-07-06
Granted: 1991-07-23
Abstract: ABSTRACT          DOWNHOLE LOCK ASSEMBLY.       The downhole lock assembly comprises a lock mandrel (10) connected to a running tool (11). The running tool holds an inner mandrel (13) located within the lock mandrel (10) in a position which allows lock-out keys (20) of the lock mandrel (10) to remain within the outside diameter of the lock mandrel body (12).   Shear pins (34) are adapted on downward jarring against a landing nipple to expand the keys (20) and shear pins (33) are adapted on upward jarring to release the running tool.   The running tool has a  tell-tale  collet (30),  connected to it by a shear pin (32), to indicate that the lock mandrel is correctly set in the landing nipple  said collet being adapted when the running tool (11) is released from the lock mandrel (10) after setting the lock to disengage intact from the lock mandrel (10) if the lock-out keys (20) are correctly set and to foul the inner mandrel and shear the shear pin (32) if the lock-out keys are incorrectly set.   The inner mandrel (13) is resiliently urged in an upward direction, i.e. in the direction of flow from the well  to actuate the lock-out keys (20) to set the lock  and latch means (22) is provided to hold the inner mandrel in a downward disposit-ion against its resilient means prior to setting the lock.
Patent CA-1319401-C (CA)
Title: Electrical wire and cable
Inventor: LUDDEN MICHAEL J
IPC: H01B3/46
Filed: 1988-07-08
Granted: 1993-06-22
Abstract: ABSTRACT         An electrical wire comprises an electrical conductor (2), an insulating mineral layer (3) electrolytically formed on the conductor from chemically delaminated weathered mica, and a silicone polymer layer (3') and mineral layer.  Preferably the layer of polymeric insulation (4) is extruded on the silicone layer.  The electrical wire exhibits very good electrical properties for long periods at elevated temperatures, e.g. during a fire.
Patent CA-1317324-C (CA)
Title: Device for stacking batchwise arranged flat objects
Inventor: LUCAS RAYMOND
IPC: B65H31/18
Filed: 1988-08-04
Granted: 1993-05-04
Abstract: ABSTRACT         The device includes an infeed table for batches destined to be assembled in layers before being carried by the conveyance appliances to a point above a loading plane onto which the layers are subsequently to be placed.  The conveyance appliances consist of a number of vertical motor-driven rollers designed for moving forward the batches of the layer along their lateral edges, the latter, for the purpose of laying down the layer, operating with the retaining appliances and the supporting appliance as well as with the vertical batch guides.
Patent CA-1304482-C (CA)
Title: Digital key telephone system
Inventor: IRWIN GEORGE F
IPC: H04M11/06
Filed: 1988-09-28
Granted: 1992-06-30
Abstract: Abstract of the Disclosure Communication paths in a digital key telephone system are operated by sequentially transferring bit states from origin channels associated with communication ports to exclusively dedicated time slots in a parallel transmission medium.  Time slot bit states are selective stored at designated memory locations corresponding to destination channels associated with the communication ports.  The memory locations are read in synchronizm with the channel occurrences and bit states from the designated memory locations are asserted in the corresponding channels, any remaining channels having predetermined bit states asserted therein.
Patent CA-1323968-C (CA)
Inventor: SVEC FRANTISEK
IPC: B01D15/08
Filed: 1988-12-09
Granted: 1993-11-09
Abstract: ABSTRACT OF THE DISCLOSURE           Disclosed are macroporous polymeric membranes, suitable above all for the separation of polymers, which consist of the copolymer of a monovinyl monomer, selected from . the  group   comprising  acrylaes,   methacrylates, vinylpyridine,  N-vinylpyrrolidone,  vinyl  acetate,  and hydroxystyrene, with a divinyl monomer, selected from the group comprising alkylene and hydroxyalkylene diacrylates and dimethacrylates, divinylbenzene, and divinylpyridine, at the ratio of monomers of both types ranging from 5:95 to 95:5 wt.%.  The membranes are formed from polymeric globular entities  which have  the  size  0.05  to  0.5 µm and  are interconnected  by covalent bonds,  whereas  communicating voids - pores occur between the globuli.
Patent CA-1296784-C (CA)
Title: Microcoaxial connector family
Inventor: CAPP RANDOLPH E
IPC: H01R24/50
Filed: 1989-01-10
Granted: 1992-03-03
Abstract: ABSTRACT:         Coaxial  electrical  connectors  for  printed circuit board and coaxial cable applications which are composed of a plurality of relatively low cost component parts designed to permit the connectors to be easily assembled by relatively unskilled personnel  without requiring complex assembly equipment.  Connectors of the invention are assembled from component parts by a method which includes the steps of encircling a center contact with a dielectric base and a dielectric insulating member while engaging an outwardly projecting portion of the center contact with the base; assembling an electrically conductive outer shell to the base while concentrically surrounding the  center contact  and the  dielectric insulating member with the shell;  and securing an electrically conductive member to the shell, while the conductive member engages and transversely overlies the base and while the base engages the dielectric insulating member.  The connector family includes plug and jack connectors of the threaded and quick disconnect types, connectors which are adapted to be mounted to printed circuit boards and connectors which are adapted to terminate coaxial electrical cables.  The plurality of connectors of the connector family are designed to share one or more components with other connectors in the family permitting a reduction in inventory requirements and a savings in over all manufacturing costs.
Patent CA-1313438-C (CA)
Title: Leg protector with fastening means for outer shields
Inventor: PARSONS CHARLES JR
IPC: A63B71/12
Filed: 1989-02-16
Granted: 1993-02-09
Abstract: ABSTRACT OF THE DISCLOSURE     There is provided a leg protector of the type having a hard shell and underlying padding.  The shell is arranged to be  detachable  and  when  in place  to distribute  the  impact generally  to  its  periphery  pulling  the padding  in  tension around the leg.  Additionally, this padding is removeable for replacement or cleaning, while the fasteners are arranged to secure the shell and maintain the padding under tension.
Patent CA-1295405-C (CA)
Inventor: SUKEGAWA TOKUZO
IPC: H01S5/323
Filed: 1989-02-22
Granted: 1992-02-04
Abstract: ABSTRACT OF THE DISCLOSURE      The semiconductor light emitting device is a light emitting diode (LED) or laser diode (LD) composed of a substrate composed of III-V group elements and GaInP system mixed crystal of III-V group mixed crystal, which comprises a III-V group substrate, a first layer mainly composed of GaInP being formed on this III-V group substrate by the yo-yo solute feeding method or Sn solvent method, and a second layer mainly composed of GaInP being formed on the first layer by a method selected from MOVPE, MBE and LPE, thereby obtaining short wavelength emission in green to yellow color.
Patent CA-1334367-C (CA)
Title: Device for preventing falling of persons between pool  cover and pool wall
Inventor: DONATON WILLIAM
IPC: E04H4/10
Filed: 1989-03-10
Granted: 1995-02-14
Abstract: A device for preventing falling of a person between a pool cover and a pool wall has a protective element including a first substantially horizontal portion arranged to be placed onto a pool cover near a pool wall, and a second portion extending from the first portion and inclined relative to the latter at an angle so as to extend toward a pool wall at an angle.
Patent CA-1311033-C (CA)
Inventor: OHTA SHINJI
IPC: H04L7/02
Filed: 1989-03-16
Granted: 1992-12-01
Abstract: CIRCUIT FOR OBTAINING ACCURATE TIMING INFORMATION                 FROM RECEIVED SIGNAL               ABSTRACT OF THE DISCLOSURE       A circuit for obtaining accurate timing information from a received signal, first, obtains an impulse response at a certain phase, which phase is determined based on a reference phase of a receiver clock, and then the obtained impulse response is compared with a reference level. As the reference level: a predetermined value just below the maximum value of the overall impulse response; an impulse response at another phase; or an impulse response at the same phase in a previous period, is used. The reference phase is controlled, according to the result of the comparison.
Patent CA-1313079-C (CA)
Title: Film cassette
Inventor: FRASER MARK D
IPC: G03B17/30
Filed: 1989-03-22
Granted: 1993-01-26
Abstract: Abstract Film Cassette In a film cassette (1), a film spool (5) is rotatable independently of a pair of coaxially spaced disks (51, 53).  The two disks (51, 53) have respective annular circumferential lips (59, 61) which prevent the outermost leader convolution (47) of a film roll (37) wound on the spool core (23) from clock-springing into contact with the cassette shell (3).  When the spool core (23) is initially rotated, the disks (51, 53) can remain substantially stationary and the film roll (37), since its inner end (39) is secured to the spool core, tends to expand radially to ensure a non-slipping relation between the outermost leader convolution (47) and the circumferential lips (59, 61).  Then, rotation of the spool core (23) must rotate the disks (51, 53) and stationary internal spreaders (65, 67) will deflect successive portions (59', 61') of the lips (59, 61) to an axial dimension exceeding the film width, thereby allowing corresponding portions of the outermost leader convolution (47) to exit from the radial confinement of the lips.  Stationary internal guides (73, 75) direct the freed forward end (45) of the outermost leader convolution (47) to the cassette opening (25).  Sufficient film thrust is provided by the spool core (23) as it is rotated, to thread the film leader (43) along a predetermined path from the cassette opening (25), to the outside of the cassette shell (3).
Patent CA-1314633-C (CA)
Title: Detection system for explosives
Inventor: ALLYSON JULIAN D
IPC: G01V5/00
Filed: 1989-03-30
Granted: 1993-03-16
Abstract: DETECTION SYSTEM FOR EXPLOSIVES     ABSTRACT OF THE DISCLOSURE     To  detect  if  an  article  contains  explosive,  the article is passed adjacent a source of neutrons and an array of gamma ray detectors.  Neutrons from the source generate gamma rays  in the explosive,  due  to its high nitrogen content, and those gamma rays are detected by the detectors.   An analysis system is provided which analyses the outputs of the detectors in a series of time intervals so that the article is analysed in a series of windows and from this high nitrogen areas can be detected.   These windows extend along the article in the direction of its movement due to transportation by e.g. a conveyor and also transversely by  providing  an  array of  the  detectors arranged transversely to the conveyor.
Patent CA-1341134-C (CA)
Title: Dynamically variable machine readable binary code and method for reading and producing thereof
Inventor: PRIDDY DENNIS G
IPC: G06K19/06
Filed: 1989-04-25
Granted: 2000-11-07
Abstract: A machine readable binary code which is dynamically variable in size, format and density of information is provided.      The binary code is formed as a matrix having a perimeter and data contained therein. The perimeter is provided with density indicia for indicating the density of data contained within the matrix.      By utilizing the density indicia and size indicia, a scanning device is able to calculate the size and information density of the binary code.
Patent CA-1327164-C (CA)
Inventor: FRANZ ROBERT M
IPC: A61K9/28
Filed: 1989-05-12
Granted: 1994-02-22
Abstract: ABSTRACT            This invention relates to an improved polymeric film coating for a ranitidine hydrochloride (HCl) tablet in which the plasticizer triacetin has been added to the polymeric film coating medium. A tablet of this invention has been found to have greater stability than a tablet coating with a polymeric film which does not contain triacetin.
Patent CA-1321549-C (CA)
Title: Tubular membrane module
Inventor: LANGERAK ROBERT W
IPC: B01D63/06
Filed: 1989-05-25
Granted: 1993-08-24
Abstract: ROGERS, BERESKIN & PARR                       C A N A D A     Title: TUBULAR MEMBRANE MODULE     Inventors: Robert William Langerak Paul B. Koehler Fernando A. Tonelli Radu Apostolache ABSTRACT OF THE DISCLOSURE     A tubular membrane module for use in ultrafiltra-tion or microfiltration has a bundle of membrane tubes that extend between inlet and return headers. The inlet header is fixed to one end of a tubular housing having a permeate outlet while the return header is free to float longitudi-nally of the housing to accomodate dimensional changes in the tubes with respect to the housing. The tubes are sealed at their ends in sockets in respective potting collars but are mechanically secured and  sealed  to  the headers.  The sockets are undercut to protect the membranes from stripping due to fluid shear.
Patent CA-1320656-C (CA)
Title: Tintable coatings for glass ophthalmic lenses
Inventor: BROWN JACQUELINE L
IPC: C03C17/30
Filed: 1989-06-08
Granted: 1993-07-27
Abstract: Abstract of the Disclosure This invention relates to coatings for application to glass lenses to provide a tint thereto.  The coatings at a thickness of no more than 10 microns in conjunction with organic dyes conventionally used to tint organic plastic lenses will impart a visible transmission of less than 50%, preferably less than 30%.  The coatings consist essentially of an alkyl siloxane containing a dipolar silane selected from the group consisting of an ester-functional silane, a hydroxy-functional silane, amino-functional silane, a carboxylic acid-functional silane, and a halide form of those silanes.