baber/WOPTO huggingface dataset:
Patent CA-1176154-A (CA)
Inventor: COOKE CLAUDE E JR
IPC: E21B43/00
Filed: 1982-08-10
Granted: 1984-10-16
Abstract: ABSTRACT OF THE DISCLOSURE A method for preventing annular fluid flow following primary cementing of oil and gas well casings is disclosed. Pursuant to said method the casing is vibrated so as to maintain the hydrostatic pressure of the cement column surrounding the casing at or above the pressure of the fluids in the various formations penetrated by the well until the cement has acquired its initial set.  The vibration may be either continuous or intermittent.  Preferably, the vibration has a low frequency. The method may include the additional step of applying pressure to the surface of the cemented annulus while the cement is curing. The vibration may be induced in several ways. For example, the casing may be vibrated by simultaneous or sequential explosions of a slow-burning black powder.  Alternatively, hydraulic jars may be used to strike blows on the casing causing the casing to vibrate.
Patent CA-1189007-A (CA)
Inventor: OBERHARDT BRUCE J
IPC: C12Q1/00
Filed: 1982-10-29
Granted: 1985-06-18
Abstract: ABSTRACT OF THE DISCLOSURE           A multilayer membrane for electrochemical analysis is described formed of a first, relatively dense layer, and a plurality of relatively porous layers, which porous layers are separated from each other and in contact with a plurality of layers.  The process of making the membrane by casting multiple layers of polymer compositions is also described.
Patent CA-1210471-A (CA)
Inventor: FISHER DAVID A
IPC: H04L25/03
Filed: 1982-11-19
Granted: 1986-08-26
Abstract: ECHO CANCELLER                Abstract of the Disclosure In a fully digital telephone system in which the subscriber to exchange loops are of the twisted pair type it is necessary to be able to convey PCM in either one of two directions.          To do this it is necessary to cancel the interference being caused by imperfections in the hybrid (4).         This interference is removed by applying a defined fraction of the outgoing signal from the encoder (2) in the GO path via a sample and hold circuit (11) and an echo simulator (12).          The latter includes coefficient generating circuits controlled by the signal in the RETURN path and by the outgoing signal.  These coefficients are subtracted from the RETURN path signal to sub-stantially eliminate this interference.         Intersymbol interference is eliminated by a feedback equaliser (14) which controls the sample and hold circuit (13) in the RETURN path to force to zero an adaptable weighted sum of symbol spaced estimates of the overall transmitted symbol time response from the transmitter to detector, specifically shaped by both analogue and digital filters.
Patent CA-1197375-A (CA)
Inventor: KALBSKOPF REINHARD
IPC: B01J12/02
Filed: 1982-12-17
Granted: 1985-12-03
Abstract: ABSTRACT OF THE DISCLOSURE           The apparatus comprises a nozzle head having three converging nozzles which project the reagents (SnCl4 and H2O) in the gaseous phase onto the substrate to be plated. Deflector members, which are adapted to channel the gases between them and the substrate, extend on either side of the nozzle head.  The surface of the deflector member which ex-tends in the opposite direction to the direction of movement of the substrate with respect to the nozzle is parallel to the substrate, and the edge which it forms at an acute angle with the extended external wall of the third nozzle is transversely offset in the direction of the said movement with respect to the axial median plane of the nozzle.  The surface of the second deflector  member forms a rounded edge with the corresponding longitudinal wall of the second nozzle. The opening of the nozzle head between the edges is there-fore effectively inclined and the gases emerging therefrom are deflected in the direction of movement of the substrate.
Patent CA-1273590-A (CA)
Inventor: TSUKAMOTO KYOZO
IPC: C12P19/34
Filed: 1982-12-23
Granted: 1990-09-04
Abstract: Abstract of the Disclosure The present invention provides a novel human Interleukin 2-encording messenger RNA, a method of producing the same from the cells which are capable of producing human Interleukin 2 and a method of producing human Interleukin 2 using the same in an in vitro protein synthesis system.
Patent CA-1198626-A (CA)
Inventor: RICHTER GARY W
IPC: A23L25/00
Filed: 1982-12-24
Granted: 1985-12-31
Abstract: COATED COCONUT                  AND METHOD OF PREPARATION     ABSTRACT OF THE INVENTION     Disclosed are improved-coconut pieces coated with an impermeable coating of insoluble calcium alginate as well as methods of preparing such coconut pieces.  Such coated coconut pieces are especially suitable for incorporation into ready-to-spread frostings.  The methods essentially comprise the steps, in sequence, of:  a) providing dehy-drated coconut pieces having a moisture content of about 3.0% to 3.5% by weight; b) applying a dilute aqueous solution of a water soluble source of calcium ions suffi-cient to provide up to about 0.2% by weight calcium based on the dry weight of the coconut to form calcium-laden coconut pieces; c) drying to a moisture content of between about 12% to 16% by weight; d) applying an aqueous solution of up to about 3% by weight low viscosity sodium alginate in amounts sufficient to provide up to about 0.90% alginate based on the dry weight of coconut pieces to form alginate encased coconut pieces; and e) drying the pieces to a final moisture content of less than about 14% by weight.  The coated pieces when incorporated into colored frosting exhibit minimal colorant and/or moisture migration.
Patent CA-1194230-A (CA)
Inventor: MCFARLANE ROBERT
IPC: G11B7/085
Filed: 1983-02-03
Granted: 1985-09-24
Abstract: ABSTRACT: Control system for an optical data recording apparatus.          Disclosed is a closed loop control system for an optical recording apparatus of the read after write type comprising a comparator for comparing the input data signal with a playback signal derived from the read beam which trails the write beam and is modulated by the data pattern inscribed on the recording medium by the write beam. The error signal generated by the comparator is applied to a controller which varies the modulation of the read beam in dependence on the error signal, for example, by modifying the data signal used to drive the write beam modulator. In this way, the control system compensates for nonuniformities in the recording medium and the like so as to ensure that the pattern inscribed by the write beam accurately represents the data to be stored.
Patent CA-1201696-A (CA)
Inventor: KARDINAL HANS-JOACHIM
IPC: B65G51/34
Filed: 1983-02-16
Granted: 1986-03-11
Abstract: ABSTRACT OF THE DISCLOSURE A pneumatic dispatch system having a plurality of forwarding tube paths and an arrangement for transferring a dispatch case between two paths including a pair of pneumatic post stations interconnected by a single tube line characterized by each of the pneumatic post stations having a first tube chamber connected to a second tube chamber which extends parallel thereto and forms a reception chamber.  The two tube chambers move within a housing of the station between a first position with the first chamber aligned with the tube sections forming the forwarding tube path and the second reception chamber being in alignment with the connecting tube to a second position with the second chamber being in a position to catch and retain a dispatch case traveling in the path.  Preferably, each of the stations is provided with a feed line which has a valve to enable control of flow therein with the feed line extending between a tube section of the forwarding tube path and a port or air passage connected to the interior of the second chamber.  If the valve is a three-way valve, the interior of the chamber can be selectively connected through the feed line to either the air in the system or the outside air.
Patent CA-1198034-A (CA)
Inventor: JUNGWIRTH DIETER
IPC: E04C5/12
Filed: 1983-03-04
Granted: 1985-12-17
Abstract: ABSTRACT OF THE DISCLOSURE   To form a radially outwardly extending bulge in a steel wire strand made up of a plurality of individual wires, the strand is compressed along a an axial length so that the individual wires deform radially outwardly and in spaced relation to one another.  Compressive force is applied to one end of the strand and the strand is anchored at an axially spaced location from the end. A tubular member with a cylindrically shaped inside surface forms a limiting boundary for the outward movement of the individual wires.  The tubular member is located between the end of the strand and the location where it is anchored. The end of the strand and the tubular member are rotatably supported.  Each individual wire extends along an angular path about the axis of the strand be-tween the end of the strand and the anchor location.
Patent CA-1194261-A (CA)
Inventor: MININNI ROBERT M
IPC: D01F6/62
Filed: 1983-03-14
Granted: 1985-10-01
Abstract: ABSTRACT OF THE DISCLOSURE           Provided is a process for melt spinning a partially oriented yarn of increased birefringence, and hence higher orientation, for a given wind-up speed.  The process comprises extruding a molten fiber forming polyester through a shaped orifice to form a molten filamentary material, which is then passed in the direction of its length into a quench zone wherein the filamentary material is contacted with a first gaseous quenching medium.  While the filamentary material is still in a deformable state, however, it is passed through a hot zone provided with an atmosphere having a temperature greater than the first gaseous quenching medium and greater than the glass transi-tion temperature of the molten polyester filamentary material.          The filamentary material is then withdrawn from the hot zone and contacted with a second gaseous quenching medium at a temperature below the glass transition temperature of the filamentary material until the filamentary material is no longer deformable, after which the filamentary material is withdrawn from the quench zone.
Patent CA-1196831-A (CA)
Inventor: SHEEHAN JOSEPH C M
IPC: A61B17/08
Filed: 1983-03-31
Granted: 1985-11-19
Abstract: SKIN CLOSURE DEVICE                      ABSTRACT     An improved skin closure device is disclosed which includes a pair of parallel members adapted to be positioned along either said of a wound to be closed.       The device includes a plurality of pins associated with the parallel members for the purpose of urging the dermis on either side of the wound together, and an adhesive interface adapted to maintain the members in a firmly positioned orientation with respect to the epi-dermis in order to hold the epidermis on either side of the wound together.  Some embodiments of the skin closure device of this invention include a housing adapted to lock the parallel members in place with respect to each other.
Patent CA-1201695-A (CA)
Inventor: HOLMBERG ERNE
IPC: B26D1/29
Filed: 1983-04-20
Granted: 1986-03-11
Abstract: ABSTRACT OF THE DISCLOSURE           The present invention provides a device for use in choppers with a rotating chopper disk, with a top side and a bottom side, having a knife attached to a knife holder disposed radially on the chopper disk, characterized in that the knife holder includes a filler piece fitting into a recess in the chopper disk and a knife holder cassette for the knife, the knife holder cassette having a top part and a bottom part, the top and bottom parts being shaped to clamp the knife therebetween, the filler piece incorporating a mounting for the knife holder cassette, the cassette being attached by means of a fastener inserted from the top side of the chopper disk, the fastener abutting the top part of the knife holder cassette and clamping the knife in place.
Patent CA-1193810-A (CA)
Inventor: BAUGHMAN RICHARD C
IPC: G03G15/00
Filed: 1983-05-20
Granted: 1985-09-24
Abstract: BINDING APPARATUS AND METHOD              ABSTRACT OF THE DISCLOSURE         A set of sheets delivered seriatim from a copier/duplicator or other source are advanced along -a sheet path leading from an input station to an assembly station where a booklet is formed.  As a sheet is moved along the path a line of adhesive is applied to one surface of the sheet adjacent to one side edge of the sheet.  In the assembly station the sheets are jogged to align the sheets of the set and then pressure is applied to the sheets over the line of adhesive.  When the entire set has been bound together into a booklet, the booklet is removed from the assembly station and delivered to an output station, such as a tote tray.
Patent CA-1206064-A (CA)
Title: Obturateur destine a etre monte dans un corps
Inventor: HUVETEAU JEAN L
IPC: F16K1/46
Filed: 1983-06-08
Granted: 1986-06-17
Abstract: Obturateur destiné à être monté dans une soupape de sûreté. Il comporte un joint fixé au fond d'une cuvette par une collerette munie d'un doigt traversant, axialement, le joint et la cuvette ainsi qu'une membrane et/ou coupelle d'appui d'un ressort qui, à cet effet, présentent tous un perçage central. A l'autre extrémité, le doigt est tubulaire et forme un logement axial qui reçoit le pied d'une tige de levée manuelle qui s'y trouve emprisonnée.
Patent CA-1197504-A (CA)
Inventor: HAGEMAN DAVID L
IPC: C07D499/21
Filed: 1983-06-17
Granted: 1985-12-03
Abstract: PROCESS AND INTERMEDIATES FOR 6'-AMINO-PENICILLANOYLOXYMETHYL PENICILLANATE 1,1-DIOXIDE                     Abstract 6'-Aminopenicillanoyloxymethyl penicillanate 1,1-dioxide is prepared by a two-step procedure.  The first step consists of coupling a salt of a 6-(protected amino)penicillanic acid with a halomethyl, an alkyl-sulfonyloxymethyl or an arylsulfonyloxymethyl ester of penicillanic acid 1,1-dioxide, to give a 6'-(protected amino)penicillanoyloxymethyl penicillanate 1,1-dioxide, wherein the protection at the 6-position has been achieved by coupling the 6-aminopenicillanic acid with a beta-dicarbonyl compound.  The second step consists of removal of the protecting group on the 6'-amino group, using aqueous acid.  6'-Aminopenicillanoyloxy-methyl penicillanate 1,1-dioxide is a chemical inter-mediate for preparing antibacterial agents.  Also claimed are the 6'-(protected amino)penicillanoyloxymethyl penicillanate 1,1-dioxide compounds used as intermediates in the process of this invention.
Patent CA-1212141-A (CA)
Inventor: LIGGETT JOHN V
IPC: B60B7/18
Filed: 1983-06-27
Granted: 1986-09-30
Abstract: WHEEL COVER DEVICE Abstract of the Disclosure A wheel cover device is capable of being mounted on a vehicle wheel including a central hub element and a rim.  An annular trim ring makes firm non-sliding contact with the rim and a central support section includes a device for fastening the wheel cover to the central hub element.  A plurality of circumferentially spaced spoke elements extend generally radially from the center support section to the trim ring with each of the spoke elements including a first end in the center support section and a second end joined to the trim ring to be capable of transmitting sufficient retaining force thereto to collectively produce the firm, non-sliding contact with the rim.  A resilient ring in the center support section provides the retaining force on the first end of each of the spoke elements when the fastening device is fully installed on the center hub element.
Patent CA-1201276-A (CA)
Inventor: BALLESTRA MARIO
IPC: C01B17/76
Filed: 1983-08-24
Granted: 1986-03-04
Abstract: ABSTRACT OF THE DISCLOSURE:         Mono-stage device for generating gaseous sulfuric anhydride from melted sulphur, particularly suitable for ashes precipitation plants, of the kind providing two chambers, one being inside the other and preferably concentric.  The first of which, being inside the other, has, on its underneath surface, air feeding means, and opens up in the upper part of the second chamber; wherein over the first chamber, the internal one, melted sulphur feeding means are provided; wherein through the second chamber, external and preferably annular, the gaseous mixture flows downwards from the first chamber, possibly through a heat conditioner exchanger; said second chamber, external, being suitably sheathed or filled up with a catalytic material; and finally wherein in the second chamber means are provided to extract the gaseous mixture flowing upwards through the external chamber.
Patent CA-1212185-A (CA)
Inventor: SAWADA NOBUO
IPC: G06F3/14
Filed: 1983-08-29
Granted: 1986-09-30
Abstract: Abstract of the Disclosure An image display system is disclosed which includes an image filing device to pre-store data on the entire area of a large sized image; a CRT unit to partially display this large sized image on its display screen at the same scale; and an image memory to temporarily store a partial image of the large sized image, that will be displayed on this CRT as well as its ambient image.     When display area scrolling is directed by a scroll direction input device, image information which is newly required due to the given scrolling operation is read out under the control of the CPU, and the unnecessary image information is rewritten, being replaced by the new image information, with semi-realtime, in the memory area in which the image information which became useless due to the scrolling operation had been stored in the image memory.  Thus, the display image area concerning the scroll and its ambient image area always prepared in the image memory, thereby allowing for a smooth scrolling operation
Patent CA-1208141-A (CA)
Title: Removal of carbon dioxide from olefin containing streams
Inventor: HOGAN JOHN P
IPC: C07C7/12
Filed: 1983-09-07
Granted: 1986-07-22
Abstract: Abstract of the Disclosure A process  for the removal of CO2 from a gaseous stream containing at least one 52 to C4 olefin is provided comprising contacting said stream with a regenerable calcined alkali metal compound-treated alumina .
Patent CA-1200909-A (CA)
Inventor: SATO KIYOSUMI
IPC: G06F9/22
Filed: 1983-09-20
Granted: 1986-02-18
Abstract: METHOD FOR RECOVERING FROM ERROR IN A MICROPROGRAM-CONTROLLED UNIT     ABSTRACT OF THE DISCLOSURE     An erroneous microinstruction and related preceding microinstructions are subjected to a so-called retry operation so as to restore the microprogram-controlled unit from the error.  The retry operation is carried out under an interlock mode, in which both detection of the erroneous microinstruction and correction for each microinstruction are achieved.  At the same time, an address for specifying the thus detected erroneous microinstruction is recorded.  When an address the same as the recorded address is next generated, the recovery from the error is performed only for the erroneous microinstruction under the interlock mode.
Patent CA-1215981-A (CA)
Title: Piperidine derivatives, the preparation and use  thereof
Inventor: MENTRUP ANTON
IPC: C07D263/44
Filed: 1983-09-23
Granted: 1986-12-30
Abstract: ABSTRACT OF THE DISCLOSURE          This application describes new compounds of formula   wherein each of the groups R represent alkyl, or aralkyl groups, or methylene chains, the preparation thereof, and their use in pharmaceutical compositions. These compositions find use in the treatment of cardiac and circulatory diseases.
Patent CA-1214203-A (CA)
Inventor: JANSSEN EDWARD J P
IPC: H01K1/66
Filed: 1983-10-27
Granted: 1986-11-18
Abstract: ABSTRACT: Electric lamp.            An electric lamp according to the invention having a lamp envelope (1) which is fixed by an end (5) in a ceramic moulding (7) which is fixed in a lamp cap (8). The ceramic moulding has for each of the current supply conductors (2, 3) an individual duct (12, 13) which is traversed by a current-supply conductor. In at least one of the current-supply conductors (3) is included a fuse (10) which lies entirely inside the duct (13), The duct (13) is closed at its end remote from the lamp envelope (1) by a coherent mass (14).            Fig, 1.
Patent CA-1203266-A (CA)
Inventor: KUNSMAN DONALD R
IPC: F16L21/02
Filed: 1983-11-28
Granted: 1986-04-15
Abstract: ABSTRACT OF THE DISCLOSURE   A closure and locking device for a pipe coupling includes lugs on the juxtaposed ends of coupling segments that interfit and can be locked in a closed position by a locking pin. The lugs each provide reaction members which are employed in the pressure loading and closing of the coupling against the bias of a resilient sealing gasket contained within the segments of the coupling, with the closing accomplished with the aid of a tool which is removably engagable with the lugs of the coupling.
Patent CA-1204353-A (CA)
Inventor: MCLEAN KERRY L
IPC: F02M21/04
Filed: 1983-12-15
Granted: 1986-05-13
Abstract: ABSTRACT OF THE DISCLOSURE        A gaseous fuel-air mixture device for an internal combus-tion engine having an intake for a fuel-air mixture.  A chamber for mixing gaseous fuel and air is provided above the intake.          The gaseous fuel is uniformly injected into the mixture chamber from an aperture in the chamber wall.  The quantity of air mixed with the gaseous fuel in the mixture chamber is controlled by adjusting  the  height  of  a  control  plate  disposed  above  the chamber.
Patent CA-1246011-A (CA)
Inventor: NEAT BENJAMIN C
IPC: B65D41/18
Filed: 1984-01-05
Granted: 1988-12-06
Abstract: PLASTIC CONTAINER HAVING THREADED CLOSURE                          ABSTRACT               A container (20) disclosed includes a receptacle (22) and a cover (24) each of which includes a unitary member (26,28) molded from plastic. A helical thread (44) on the upper end of the receptacle side wall (30) and a helical thread (58) on a downwardly projecting lip (50) of the cover are engaged with each other in mating relationship by either threading of the cover onto the receptacle or by downward cover movement as the receptacle side wall and the cover lip flex to permit such engagement by a snap action. A retainer (46) on the receptacle side wall receives the lower edge (52) of the cover lip and a retainer (60) on the cover receives the upper edge (36) of the receptacle side wall so as to maintain the mating relationship of the threads with the cover in its closed position. The container has particular utility for use as a paint container especially when utilized with specific constructional features disclosed.
Patent CA-1213347-A (CA)
Inventor: HARVEY MARIA
IPC: H01S5/00
Filed: 1984-01-27
Granted: 1986-10-28
Abstract: IMPROVED LIGHT-EMITTING DEVICES ABSTRACT OF THE DISCLOSURE An improved light-emitting device, comprising a light-emitting element affixed to a tapered quadrilateral mounting surface of a copper heatsink, is disclosed. The tapered mounting surface includes two slightly divergent mounting edges whereby the width of the mounting surface varies to accommodate light-emitting elements of varying sizes. The angle of divergence between the two mounting edges should be kept small to provide accurate facet-to-edge alignment of the light-emitting element to the mounting surface.