baber/WOPTO huggingface dataset:
Patent CA-1084359-A (CA)
Inventor: TKACH KHAIM B
IPC: E21B7/26
Filed: 1977-07-25
Granted: 1980-08-26
Abstract: ABSTRACT OF THE DISCLOSURE     A reversible ground perforating device powered by a gaseous medium under pressure, comprising a hollow cylindrical body with a pointed front end, a hammer adapted to reciprocate said body and form a front power chamber of variable volume.          The rear end of the hammer has a cylindrical hollow which forms a rear power chamber of variable volume.  The power chambers are interconnected by ports in the hammer.  A stepped cylindrical barrel is coaxially located inside the cylindrical hollow, and is secured in the rear end of the body.  The large-diameter por-tion of the barrel has ports in its wall and interacts with the hammer.  A spring-loaded stepped sleeve is mounted coaxially with the stepped barrel so that the large-diameter portion there-of is adapted to cover the ports in the barrel, the large-diameter portions of the sleeve and barrel forming an annular chamber.          Holes are provided in the sleeve small-diameter portion interact ing with the barrel small-diameter portion.  A ring is coaxially flexibly mounted in the front end of the large-diameter portion of the barrel.  The space between the ring, the inner surface of the barrel and the outer surface of the sleeve forms an auxiliary annular chamber which is in communication with the source of a compressed gaseous medium during forward movement of the hammer.          The auxiliary annular chamber is in communication with this source during reverse movement of the hammer.
Patent CA-1055080-A (CA)
Inventor: SANDRING ALBERT W
IPC: E04D13/12
Filed: 1977-09-15
Granted: 1979-05-22
Abstract: MAINTENANCE PLATFORM FOR A BUILDING ROOF                ABSTRACT OF THE DISCLOSURE      There is provided a maintenance platform for a building roof which will permit the servicing of equipment, skylights, and the like installed on the roof.  The mainte-nance platform avoids the problems that result from frequent foot traffic and heavy concentrated loads on a roof, i. e. damage to the roof panels, reduced expected roof life and possible voiding of roof warranty.  The maintenance platform is for use on a building roof that is formed of a number of roof panels that are interconnected by seams.  The platform is seated on one of the roof panels and is secured to a roof panel seam by means of a clip which includes an elon-gate tab having one end that is hooked into the seam and a U-shaped clasp with a pair of legs and a bight portion con-necting the legs together.  The clasp has a tab receiving a slot with the other end of the tab being received in the tab receiving slot to be hooked over one of the clasp legs to secure the clasp to the roof panel seam in a non-penetrating manner.
Patent CA-1080298-A (CA)
Inventor: SONNTAG WILLIAM A
IPC: H01J9/44
Filed: 1977-09-21
Granted: 1980-06-24
Abstract: METHOD AND APPARATUS FOR SIMULATING MAGNETIC    ENVIRONMENT OF TELEVISION RECEIVERS                           Abstract A set of auxiliary deflection coils are placed on opposite sides of a multi-beam color television picture tube having a deflection yoke and color purity adjustment apparatus. The tube is operated to cause a raster to be scanned and the auxiliary coils are energized to cause the beams to be deflected from their nominal beam landing sites in predetermined direction and magnitude within each of at least two regions of the raster in order to simulate misregister caused by television receiver magnetic environment.          Color purity is then adjusted in the presence of the simulated misregister.
Patent CA-1075478-A (CA)
Inventor: GILBU AGNAR
IPC: B65D88/06
Filed: 1977-11-07
Granted: 1980-04-15
Abstract: ABSTRACT OF THE DISCLOSURE           A cylindrical storage tank for installation underground in a horizontal position comprises a hollow cylindrical body and two end caps joined to opposite end portions of the cylindrical body.  The end caps are outwardly convex and generally spherical at their central portions but frusto-conical adjacent their junc-tions with the cylindrical body.  The radius of curvature of the spherical portions is equal to the radius of the cylindrical body and the frusto-conical portion of each end cap forms an angle adjacent the bottom of the tank with an underground support sur-face, when the tank is installed horizontally underground, which substantially corresponds to the natural angle of repose of re-commended backfill material such as sand or gravel, whereby voids otherwise likely to occur beneath the end caps if the end caps were completely hemispherical are eliminated.
Patent CA-1073026-A (CA)
Inventor: DERNER WILLIAM J
IPC: F16C43/04
Filed: 1978-03-06
Granted: 1980-03-04
Abstract: ABSTRACT OF THE DISCLOSURE         A bearing assembly retainer ring has pockets for holding cylindrical rollers in arcuately spaced rela-tionship about a central axis of the retainer ring.  Each pocket has two end faces that are spaced axially of the retainer ring and two side faces that are spaced laterally of the axial spacing between the two end faces.  The pocket extends radially through inner and outer peripheral edges of the retainer ring to receive a roller therein having a diameter which is greater than the radial span of the pocket end faces so that the roller extends beyond the inner and outer peripheral edges of the retainer ring. The axial spacing between the pocket end faces is slightly greater than the axial length of the roller to provide restricted clearances between the ends of the roller and the end faces of the pocket when the roller is centered within the pocket.  Chamfers are provided on the end faces of the pockets at the inner and outer peripheral edges thereof.  These chamfers enable the roller to pivot within the pocket from a position wherein the roller is aligned axially between the pocket end faces to a cocked position wherein both end faces of the pocket contact the roller and/or the side faces of the pocket contact the roller to resist further pivotal movement.     -1a-
Patent CA-1103461-A (CA)
Inventor: HIRONO SHUICHIRO
IPC: C01G43/06
Filed: 1978-04-12
Granted: 1981-06-23
Abstract: PROCESS FOR RECOVERING URANIUM FROM               WET-PROCESS PHOSPHORIC ACID                 ABSTRACT OF THE DISCLOSURE              A process for recovering uranium from a wet-process phosphoric acid crude solution is provided in which the phosphoric acid crude solution is contacted with an organic extractant consisting of octylphenyl phosphoric acid, di(2-ethylhexyl) phosphoric acid and trioctylphosphine oxide dissolved in an organic diluent to extract uranium from the phosphoric acid crude solution. The thus uranium loaded organic extractant is then contacted with mixed acid consisting of hydrofluoric acid and sulfuric acid, or alternatively with concentrated phosphoric acid to back-extract the uranium from the organic extractant.
Patent CA-1072024-A (CA)
Inventor: SHIMIZU SADASHI
IPC: F16D65/02
Filed: 1978-05-19
Granted: 1980-02-19
Abstract: ABSTRACT OF THE DISCLOSURE          A disk brake device comprising a fixed bracket, a brake caliper having a pair of arms, a fixed friction pad mounted on one arm, a movable friction pad mounted on the other arm, and a brake disk between the friction pads.  The fixed friction pad, the retainer and the retainer receiving hole are all formed into a partially cutaway circle so as to prevent rotation of the fixed friction pad.
Patent CA-1073230-A (CA)
Inventor: LINDAHL HERBERT S
IPC: F25B47/02
Filed: 1978-05-29
Granted: 1980-03-11
Abstract: METHOD AND APPARATUS FOR DEFROSTING      A REFRIGERATION SYSTEM          ABSTRACT OF THE DISCLOSURE      To defrost a selected evaporator, in a system includ-ing at least two evaporators, the system condenser is isolated from the compressor and the selected evaporator receives hot, compressed refrigerant vapor directly from the compressor.  The liquid refrigerant formed in the de-frosting evaporator flows to the other evaporators in the system to permit them to continue in the refrigeration mode.  A pressure regulated control system is provided which causes excess liquid refrigerant in the defrosted evaporator to be pumped out of that evaporator before the evaporator is reconnected to the compressor suction line.          In a preferred embodiment, each evaporator includes a coil having a plurality of circuits connected between its inlet and outlet and each circuit is disposed in a horizontal plane at a different elevation from any of the other circuits.  During the defrost cycle, hot compressed refrigerant vapor flows through either the normal inlet or outlet of the evaporator after passing through a hot gas inlet line which is arranged to pre-heat the lowermost circuits of the evaporator, thereby equalizing the defrost-ing rate of circuits located at different elevations.
Patent CA-1086121-A (CA)
Inventor: TERTINEK CHRISTIAN T
IPC: E02D3/074
Filed: 1978-06-06
Granted: 1980-09-23
Abstract: ABSTRACT OF THE DISCLOSURE           A body of lubricant acting also as a coolant is confined by a housing to the base of a vibratory compactor, in direct contact with the planar bottom portion of the base.  Upwardly inclined end portions of the base accommodate tilting of the machine in one direction for installation of wheel assemblies or in the other direction to drain all of the lubricant from the housing.  A vibration generating, eccentric rotor within the housing mounts flow directing blades to effect misting of the lubricant during vibration and direct it toward critical lubricating points.
Patent CA-1115243-A (CA)
Inventor: ALLEN ROBERT H
IPC: B31B27/00
Filed: 1978-06-23
Granted: 1981-12-29
Abstract: ABSTRACT OF THE DISCLOSURE A stuffed, sealed envelope assembly has superimposed front and back plies with insert material within the envelope unattached to the plies so as to be freely disposed therein.  At least one cut line or a line of perforations is provided in one of the envelope plies in the vicinity of an edge of the insert to facilitate opening of the envelope for exposing the insert for extraction.  An outline of a simulated flap is applied to the out-er surface of the one envelope ply so as to overlie or to be delimited by the cut line or line of perforations.  Other seam lines may be applied to the same outer surface so as to give the impression, together with the flap outline, of a folded-flap envelope construction.  The envelope assembly is therefore capable of being opened for exposing the insert in a manner similar to that of a folded-flap construction.  Alternatively, superimposed lines of per-forations defining a removable tear strip are provided in the plies along a marginal edge of the plies between such marginal edge and an edge of the insert material lying adjacent thereto.  The envelope assembly is accordingly opened for exposing the insert upon removal of the tear strip as in a folded-flap envelope construction.
Patent CA-1103091-A (CA)
Inventor: HELFGEN WERNER
IPC: C06C5/04
Filed: 1978-07-14
Granted: 1981-06-16
Abstract: Dynamit 1047-JFW7 INSTANTANEOUS SAFETY FUSE                    Abstract of the Disclosure A flameproof instantaneous fuse comprising a core of an explosive material, said core having a fiber wrapped thereabout, said fiber-wrapped material in turn being en-closed within a material, said material having at least one longitudinally running air channel therein.
Patent CA-1123532-A (CA)
Inventor: DEFRANK MICHAEL P
IPC: C08J5/14
Filed: 1978-07-31
Granted: 1982-05-11
Abstract: EPOXY-RUBBER BASED FRICTION MATERIAL             Abstract of the Disclosure A superior friction material having high mechan-ical fatigue resistance and a stable dynamic coefficient of friction over a wide temperature range is prepared from an intimate mixture of an epoxy-rubber binder and friction modifying materials.  The material is formed by mixing the uncured epoxy resin with the rubber and friction modifying materials, forming the mixture into the desired shape while soft and pliable, and then heat curing the mixture.
Patent CA-1090844-A (CA)
Inventor: GREATBATCH ROBERT J
IPC: B62D53/08
Filed: 1978-08-10
Granted: 1980-12-02
Abstract: ABSTRACT OF DISCLOSURE        A vehicle coupling comprises a linkage pivotably attachable to a first vehicle about a transverse horizontal axis, and a bearing assembly. The bearing assembly has a vertically disposed pivot bearing for connecting the vehicle coupling to a coupling member attached to a second vehicle.          The vertically disposed pivot bearing has a first part fixed to the vehicle coupling and a second part fixed to the coupling member.  Said first part of the vertical bearing is mounted above the linkage by support means incorporating a horizontal pivot bearing whose axis is perpendicular to the transverse horizontal axis.  The vehicle coupling is such that the weight transference of the second vehicle to the first vehicle acts down through the axis of the vertically disposed pivot bearing, and such that the foremost vertical surface of the vertically disposed pivot bearing is situated nearer to the vertical plane containing the transverse horizontal axis than any other part of the vehicle coupling which is above the axis of the horizontal pivot bearing.
Patent CA-1104963-A (CA)
Inventor: PERSICO PAUL J
IPC: C10G11/16
Filed: 1978-08-10
Granted: 1981-07-14
Abstract: CATALYTIC REACTION CHAMBER FOR GRAVITY-FLOWING CATALYST PARTICLES                        ABSTRACT     A catalytic reaction chamber for contacting a re-actant stream with catalyst particles which are disposed as an annular-form bed and are downwardly movable therethrough via gravity-flow.  The annular bed is spaced between a cat-alyst-retaining screen and a perforated centerpipe.  A plu-rality of vertically-positioned catalyst transfer, or with-drawal conduits are circumferentially-disposed substantially adjacent the outer surface of the centerpipe and extend the entire length of the catalyst bed.  These contain a first plurality of apertures which face into the bed of catalyst particles and which are sized to permit catalyst particles to flow therethrough.  Preferably,  a second plurality of apertures is disposed substantially 180° opposite the first plurality of apertures, and sized to inhibit the flow of catalyst particles therethrough.  The latter serve to conduct reactant stream vapors out of the transfer conduits into the perforated centerpipe and insure a hydrogen atmosphere sur-rounding the catalyst particles flowing therethrough.
Patent CA-1101990-A (CA)
Inventor: GRAPES ROBERT D
IPC: F16D1/104
Filed: 1978-08-17
Granted: 1981-05-26
Abstract: ABSTRACT OF THE DISCLOSURE         Disclosed is an apparatus for centering and driving a flexible disc which includes a rotatable spindle and a cone which is insertable through a drive hole in the disc and then into an opening in the spindle whereby the disc is contained between the cone and spindle.  A plurality of upstanding centering fingers are mounted in the spindle, extended to the threshold of the spindle opening and equally spaced from the spindle center. The fingers engage the cone as it enters the opening and bend elastically responsive to further cone movement into the opening.  The fingers, when so bent, urge the cone toward a centered relation with the spindle.  The fin-gers are adapted to engage any unsupported portion of the disc positioned over the spindle opening, and to support such portion against bending re-sponsive to contact with the moving cone.
Patent CA-1112599-A (CA)
Title: Procede de recuperation selective de chlore et  d'anhydride carbonique d'un melange gazeux
Inventor: NINANE LEON
IPC: B01D53/68
Filed: 1978-09-01
Granted: 1981-11-17
Abstract: L'invention concerne un procédé de récupération sélective de chlore etd'anhydride carbonique d'un mélange gazeux. On soumet le mélange gazeux (13) à une combustion en présence d'hydrogène(15) de manière à convertir le chlore en chlorure d'hydrogène, on traîte le gas de combustion résultant (16) avec une solution aqueuse de chlorure de métal alcalin (18) pour y absorber le chlorure d'hydrogène, et on recueille un gaz résiduaire (20) contenant l'anhydride carbonique. L'invention a'applique notamment au traitement des mélanges gazeux résiduels de la liquéfaction du chlore produit par électrolyse d'une saumure.
Patent CA-1096769-A (CA)
Inventor: FORSELL BROR I
IPC: E21B33/03
Filed: 1978-09-07
Granted: 1981-03-03
Abstract: Abstract of the Disclosure A cap intended to close the upper end of a well casing arranged in a well opening. The closing cap is provided with upright sleeves for passage therethrough of tubes, pipes, and the like from the well pump. An annular shoulder is formed on the internal wall of the cap, allowing the cap to be mounted in a sealing-position on well casings with different dimensions. Tapering sections on the upper edges of the sleeves provide for automatic sealing-off of the sleeves around its associated tube etc.
Patent CA-1107409-A (CA)
Inventor: ROSS MALCOLM F
IPC: G21C5/00
Filed: 1978-10-02
Granted: 1981-08-18
Abstract: Abstract of the Disclosure An arrangement of square fuel assemblies in the first and subsequent cycles of a pressurized water nuclear reactor wherein shimmed feed assemblies and once-burned or equivalent assemblies occupy the same checkerboard component of alternating diagonals in an inner region of the core, and the highest burned or equivalent assemblies occupy the other checkerboard component.  The remainder of the core consists of an outer region containing another checker-board of feed assemblies wherein the feed assemblies occupy less than one-half the assembly locations on the core periphery.
Patent CA-1086143-A (CA)
Title: Apparatus for stretching dough material
Inventor: HAYASHI TORAHIKO
IPC: A21C11/00
Filed: 1978-10-17
Granted: 1980-09-23
Abstract: ABSTRACT OF THE DISCLOSURE An apparatus is provided for continuously stretching dough for cakes, bread and the like.  The apparatus comprises a plurality of rollers progress-ing along an endless path comprising a lower straight portion and a plurality of conveyor belts arranged in series thereunder with their upper flights facing the lower straight portion of the oval path and spaced from one another.  The conveyor belts are driven such that their upper flights move in a common direction with the downstream one of any two adjacent conveyors being faster than the upstream conveyor.  The rollers are moved in the same direction as the upper flight portions of the conveyor belts.  Adjacent belts are arranged to contact one another below the levels of the upper flight portions of the conveyor belts where the upper flight portions of the conveyor belts face the lower straight portion of the oval path.
Patent CA-1094989-A (CA)
Inventor: DVORSKY JAMES R
IPC: B66C23/74
Filed: 1978-10-24
Granted: 1981-02-03
Abstract: ABSTRACT OF THE DISCLOSURE         A crane is operable in either a regular mode or a heavy duty mode.  In the regular mode, an upper works is rotatable, through a turntable bearing, on a lower works.          A boom is pivotally connected to one end of the upper works and a counterweight is connected to the opposite end thereof.  In the heavy duty mode, a support ring surrounds the lower works and is connected thereto.  An auxiliary frame is mounted on the support ring, surrounding the upper works, for rotation on the ring in unison with rotation of the upper works.  The boom used in the regular mode is pivotally connected to the auxiliary frame for use as a gantry, and a heavier boom is pivotally connected to the auxiliary frame adjacent the gantry.  The counter-weight of the machine in the regular mode is shifted to the auxiliary frame opposite the boom and gantry, and an auxiliary counterweight is added to the auxiliary frame.     -1a-
Patent CA-1076313-A (CA)
Inventor: STRATIS MELVIN A
Filed: 1978-10-31
Granted: 1980-04-29
Abstract: APPARATUS FOR PREFORMING A WALL COVERING      FROM A SHEET OF PLASTIC LAMINATE     Abstract of the Disclosure A single sheet of standard grade plastic laminate material is bent at two locations to form it into a side wall and two end walls corresponding to the side wall and two end walls of a bathtub recess.  The plastic laminate material is located between a support bed and a press assembly of a forming apparatus.  The bed includes a pair of parallel forming tubes having exterior forming surfaces and thermostatically controlled internal heating elements for controlling the temperature of the forming surfaces.  The press assembly includes a pair of wing members which are movable to bend the end portions of the plastic laminate material about the two forming tubes.  Following forming the formed corner portions are tempered by applying water to them.
Patent CA-1090323-A (CA)
Inventor: BRYAN JOHN F JR
IPC: B66C23/72
Filed: 1978-12-04
Granted: 1980-11-25
Abstract: WINCH MECHANISM FOR CRANE     ABSTRACT OF THE DISCLOSURE         A winch mechanism includes a first and a second drum each having multiple grooves therein.  A frame supports the first drum spaced from the second drum with the axis of rotation of the first drum canted relative to the rotational axis of the second drum such that the grooves at the top of the first drum are substantially aligned with corresponding grooves at the top of the second drum and the grooves at the bottom of the first drum are substantially aligned with grooves adjacent to the corresponding grooves at the bottom of the second drum.  A cable is alternately wrapped between the grooves of the first and second drums with at least one of the drums being driven to draw in and feed out the cable.
Patent CA-1085753-A (CA)
Title: Center venting closure system
Inventor: HANNULA RODNEY R
IPC: B65D53/08
Filed: 1979-01-15
Granted: 1980-09-16
Abstract: ABSTRACT         An improved easy open closure system is des-cribed which includes a combination of center vent opening, pour hole, exterior tape and interior sheet material suitable for containers having therein a pressurized beverage.  The exterior tape comprises a grip portion and body portion, the grip portion sealing the center vent opening and overlapping the body portion, which seals the pour hole.
Patent CA-1125431-A (CA)
Inventor: CLIFFORD PETER J
IPC: G01S15/89
Filed: 1979-03-22
Granted: 1982-06-08
Abstract: IMPROVED TIME VARYING GAIN AMPLIFIER FOR SIDE SCAN, SONAR APPLICATIONS            ABSTRACT OF THE DISCLOSURE           A time varying gain amplifier for a side scanning sonar system  having a predetermined gain versus time relation-ship is disclosed.  The gain is substantially proportional to the square of the elapsed time measured from the last sonar pulse initiating trigger signal.  The amplifier in one embodiment employs a series connection of two amplifiers, each of which has a gain which varies linearly with the elapsed time.
Patent CA-1115270-A (CA)
Title: Maple sugar product and method of  preparing and using same
Inventor: CHEN ANDY C C
IPC: C13B30/02
Filed: 1979-03-30
Granted: 1981-12-29
Abstract: Abstract of The Disclosure A transformed, crystallized maple sugar product comprising aggregates of crystals having a crystal size in the range about 3-50 microns is prepared by concentrating a maple syrup containing at least about 63% sucrose to a solids content of about 93-98%.  The concentration may be carried out in several ways depending upon the color of the final product which is desired.  The concentrated syrup is subjected to impact beating within a crystallization zone for transformation and crystallization.  The resulting transformed, crystallized maple sugar product comprising aggregates of sucrose crystals having a size in the range about 3-50 microns and having a moisture content of 2-4% is then recovered from the crystallization zone and dried to a moist? content below about 1% by weight.   Subsequently, the maple sugar product may be cooled, milled and/or screened to a size range suitable for one of several desired end uses.