baber/WOPTO huggingface dataset:
Patent CA-1301761-C (CA)
Title: Mercapto-substituted pyridine compounds and process for preparing the same
Inventor: HAGA TAKAHIRO
IPC: A01N43/40
Filed: 1988-07-05
Granted: 1992-05-26
Abstract: Abstract of the Disclosure A mercapto-substituted pyridine compound having the general formula (I):                   ... (I) where R1 and R2 are hydrogen atom or alkyl group, and n is 0 or 1, and salts thereof and a process for pre-paring the same are disclosed.  The mercapto-substituted pyridine compound is useful as an intermediate for pre-paring a herbicidal compound.
Patent CA-1314845-C (CA)
Title: Slackless drawbar
Inventor: SOLOMON JAMES E
IPC: B61G7/10
Filed: 1988-07-20
Granted: 1993-03-23
Abstract: 1. 74 SLACKLESS DRAWBAR                 Inventor:     James E. Solomon ABSTRACT OF THE DISCLOSURE     A drawbar assembly for interconnecting railcars comprises a drawbar having enlarged ends, each of which is positioned in a socket formed in a railcar sill having outer side walls.  A drawbar pin is retained in the sill and passes through an aperture in the enlarged drawbar end, retaining the drawbar in the socket.  Pin bearing block means are carried in the drawbar and are in abutting relation with the pin.  Slack adjusting wedge means urge the pin against the bearing block means,  In accordance with this invention, the slack adjusting wedge means are positioned in the sill outer side walls.  Thus, the slack adjusting wedge means can be inspected and maintained without disassembling the drawbar assembly.
Patent CA-1303120-C (CA)
Title: Method and apparatus for controlling an alternating current motor particularly at low speeds
Inventor: WEISS HERBERT W
IPC: H02P1/26
Filed: 1988-08-11
Granted: 1992-06-09
Abstract: Abstract of the Disclosure An optical structured light profiler for evaluating the surface shape of a workpiece  along a particular cross  section of interest.   The profiler  includes an  illumination  optical system which  projects  a sheet  of  light onto  the  workpiece surface along  the  cross  sectional plane  of  interest.   The viewing system  has  its  optical  axis  perpendicular  to  the optical axis of  the illumination systems  such that it  images the illuminated  portion of  the  workpiece off-axis  from  its optical axis.  In this manner  the entire image illuminated  on the workpiece surface is  within the same depth-of-field  plane of the viewing system,  which provides advantages in  selecting and designing the  optics of  the viewing system.   In a  first embodiment, a conventional  wide angle  lens is  used in  which only a  portion of  the lens  is  used to  form an  image.   In accordance with  a  second  embodiment,  an  optimized  optical system for the viewing system is provided which images only  in the off-axis region where the workpiece image is present.  Many forms of the detector may  be used including a two  dimensional video camera or a translated linear detector array.
Patent CA-1304678-C (CA)
Title: Sub-surface release plug assembly
Inventor: BRADLEY BILLIE J
IPC: E21B33/16
Filed: 1988-08-16
Granted: 1992-07-07
Abstract: Abstract A sub-surface release plug assembly for use in cementing an outer casing annulus around a well casing.  The assembly includes a top plug releasably connected to a drill string by a collet mechanism and including a swivel connector and a vent thereabove.  A sleeve assembly extends through the top plug, and a bottom plug is releasably attached thereto. A vent is provided in the sleeve assembly between the top and bottom plugs, and this vent may be closed prior to releasing the bottom plug.  The construction of the inner sleeve assembly provides that no high pressure from the drill string is applied to inner portions of either the top or bottom plugs.  Thus, the plugs may be made of relatively soft, easily drillable material, even including plastic.          When the lower plug is released and pumped to the bottom of the well casing, additional pressure opens a valve so that a flow passageway is provided therethrough.  A slidable, sealing sleeve prevents fluid in the drill string from being in contact with the collet mechanism prior to releasing the top plug.
Patent CA-1292265-C (CA)
Title: Palier hydrodynamique et procede de montage d'un tel palier
Inventor: MALABRE CHRISTIAN
IPC: F16C17/12
Filed: 1988-10-21
Granted: 1991-11-19
Abstract: La présente invention concerne un palier hydrodynamique pour supporter et guider un arbre de machine tournante. Ce palier comporte, dans l'alésage d'un corps de palier, une cartouche autonome destinée à constituer l'ensemble fonctionnel interne du palier, ladite cartouche étant composée de feuilles minces cintrées fixées les unes par rapport aux autres avec des parties de recouvrement, de façon à réaliser un ensemble autonome possédant, d'une part, une surface flottante interne adaptée pour se disposer autour de l'arbre et conditionner lors de la rotation de celuici, la formation d'un film fluide entre l'arbre et la surface interne, et d'autre part, une surface externe périphérique de diamètre correspondant à celui de l'alésage du corps du palier. Il comporte de plus des moyens pour immobiliser en rotation et en translation interne la cartouche à l'intérieur de l'alésage. D'autre part, la surface extérieure de la cartouche est entourée d'une feuille souple fixée par une de ses extrémités sur une génératrice extrérieure de la cartouche, l'autre extrémité étant libre. Application aux machines tournantes à grande vitesse de rotation.
Patent CA-1329781-C (CA)
Title: Spherical rotary valve assembly for an internal combustion engine
Inventor: COATES GEORGE J
IPC: F01L7/10
Filed: 1988-12-23
Granted: 1994-05-24
Abstract: ABSTRACT      A spherical rotary valve assembly for an internal combustion engine of the piston and cylinder type wherein the spherical rotary valve assembly is positioned within a split cylinder head having an upper and lower section, such when secured defines a cavity for a rotational shaft having mounted thereon, an intake drum and exhaust drum for each cylinder, the lower half of the split head cylinder head having positioned therein, the inlet port and outlet port for the cylinder, the split cylinder head having  an  intake  passageway  and  an  exhaust  passageway  in communication with the drum cavities in the split cylinder head, the rotation of the respective intake drum and exhaust drum within their respective cavities interrupting the respective flow of the fuel air mixture or the exhaust gases to or from the cylinder by means of passageways within the drums, the drums rotating within the cavities in a gas tight sealing rotation on an annular sealing means axially positioned about the inlet port and outlet port in the lower section of the split head assembly such that the frictional contact encountered is that of the drums in contact with the seals and the shaft in contact with journaled bearings in the split head assembly, there being a pair of drums associated with each cylinder.
Patent CA-1331598-C (CA)
Title: High stability porous zirconium oxide spherules
Inventor: CARR PETER W
IPC: B01J20/06
Filed: 1989-01-30
Granted: 1994-08-23
Abstract: ABSTRACT OF THE DISCLOSURE The present invention provides a stable stationary phase for chromatography which comprises porous ZrO2 spherules coated with a polymer coating wherein said coated spherules have a pore size from about 20-500 .ANG. and a particle diameter range of about 0.5-500 microns, and are stable in basic media to pHs of up to about 14.
Patent CA-1334083-C (CA)
Inventor: DELONGHI ADRIANO G A
IPC: B65D47/26
Filed: 1989-02-15
Granted: 1995-01-24
Abstract: The present invention relates to an integral supply cap for dispensing liquid, semi-liquid or viscous products in which a tamperproof detachable section is provided, such that when the tamperproof section is detached, a dispensing orifice is formed.
Patent CA-1330329-C (CA)
Inventor: SUMMERLIN FREDERICK A
IPC: B21J15/50
Filed: 1989-02-22
Granted: 1994-06-21
Abstract: ABSTRACT     A breakstem rivet installation tool includes a jaw mechanism (12) for gripping the stem of a rivet, and a pneumatically actuated piston and cylinder device (13) for applying pulling force to the jaw mechanism.  It is provided with a damping valve (22) for damping the flow of air from the piston and cylinder device (13) when the force is suddenly released on breaking of a rivet stem (23), thereby to reduce mechanical shock to the tool, and noise of fast-escaping air.  The damping valve (22) comprises a resilient steel circular disc (32) which is secured at its centre to the apex of a domed member (28) provided with vent holes (26).  The undeformed shape of the disc (32) is flat.  When, in use of the tool, a rivet stem breaks and the restraining force on the piston (15) is released, the velocity of air flow past the disc (32) urges the disc to bend towards the domed surface of the member (28), thereby restricting the air flow through the vents (26).  It may be that the valve closes completely; so that the peripheral edge (36) of the disc (32) contacts the annular valve seat (37) surrounding the air vents (26).
Patent CA-1332790-C (CA)
Title: Beverage storage and cooling system
Inventor: DAVIS BRIAN
IPC: B67D1/08
Filed: 1989-03-01
Granted: 1994-11-01
Abstract: A python (10) for maintaining the drinking liquid flowing in lines therein at a predetermined temperature has a drinking liquid delivery line (11) adapted to deliver drinking liquid, a coolant line (14) adapted to carry coolantand insulator tubing (15) arranged in that order concentrically outwardly. The central drinking liquid delivery line (11) is in thermal contact with the surrounding coolant line (14). The coolant line is surrounded by insulator tubing (15) in such a way as to restrict the free movement of both the drinking liquid delivery line (11) and coolant line (14). The drinking liquid isthereby maintained at a predetermined temperature by the temperature of the coolant and the effect of the abovementioned concentric arrangement of drinking liquid delivery line (11), coolant line (14) and insulator tubing (15).
Patent CA-1312257-C (CA)
Title: Integrated multifunction regulator station for gas supply to a secondary mains
Inventor: CORNIL JEAN-PHILIPPE
IPC: G01F1/10
Filed: 1989-04-10
Granted: 1993-01-05
Abstract: ABSTRACT     The integrated multifunction regulator station for gas supply to secondary user mains from a principal distribution mains, comprises a single external housing having an essentially cylindrical shape, designed to withstand the gas operating pressure, in which are contained active elements including at least a filter, a pressure regulator and a safety valve.  A flow meter and the pressure regulator are mounted on a transversal wall.  The filter is formed from a cylindrical cartridge located between a removable bulkhead and the pressure regulator, which is itself mounted on the transversal wall.  The safety valve is mounted on the removable bulkhead and includes a safety valve head located upstream of the pressure regulator, at a top part of the latter, and inside the cylindrically shaped cartridge.
Patent CA-1320058-C (CA)
Title: Sampling apparatus
Inventor: GORDON NORMAN R
IPC: G01N1/04
Filed: 1989-04-25
Granted: 1993-07-13
Abstract: Abstract of the Disclosure A sampling apparatus is provided for sampling substances from solid surfaces. The apparatus includes first and second elongated tubular bodies which telescopically and sealingly join relative to one another. An absorbent pad is mounted to the end of a rod which is slidably received through a passageway in the end of one of the joined bodies. The rod is preferably slidably and rotatably received through the passageway, yet provides a selective fluid tight seal relative thereto. A recess is formed in the rod. When the recess and passageway are positioned to be coincident, fluid is permitted to flow through the passageway and around the rod. The pad is preferably laterally orientable relative to the rod and foldably retractable to within one of the bodies. A solvent is provided for wetting of the pad and solubilizing or suspending the material being sampled from a particular surface.
Patent CA-1336991-C (CA)
Title: Stabilization of crosslinked vldpe
Inventor: TURBETT ROBERT JOHN
IPC: C08F8/00
Filed: 1989-05-05
Granted: 1995-09-12
Abstract: A composition comprising:      (a)  a crosslinkable copolymer of ethylene and at least one alpha-olefin having 3 to 8 carbon atoms, said copolymer having a density equal to or less than 0.91 gram per cubic centimeter and being produced in the presence of a catalyst system containing (i) chromium and titanium or (ii) a catalyst precursor comprising magnesium, titanium, halogen, and an electron donor together with one or more aluminum containing compounds; and (b)  tris[2-tert-butyl-4-thio(2'-methyl-4'-hydroxyl-5-tert-butyl)phenyl-5-methyl] phenyl phosphite.
Patent CA-1332874-C (CA)
Inventor: CLARK CARL A
IPC: E21D21/00
Filed: 1989-05-05
Granted: 1994-11-08
Abstract: A two-piece, malleable iron, expansion anchor for installation in a relatively small (about 1") diameter bore hole with a conventional size  (5/8") bolt.   The four-prong expansion shell, camming plug, and individual shell leaves each have unique features contributing to the effectiveness of the anchor when used either with or without a resin grouting mixture.   The slots or spaces between adjacent shell leaves include upper and lower portions,  each  of  constant  width,  the  lower  portion being wider than the upper portion, whereby the leaves are narrower in the area where they are bent outwardly from the closed ring at the base than in the area where they are compressionally engaged between the plug and the  hole  wall.    Upper  portions  of  the  inner  leaf surfaces taper toward the shell axis and the side edges of  such  surfaces  taper  toward  one  another  from  the upper,  free  ends of the leaves toward the lower ends.        An axial rib extends outwardly from the surface of the camming plug over its entire length.  A first group of gripping teeth or serrations on the outer leaf surfaces near the lower ends of the leaves are deeper than a second group outwardly adjacent the plug contact area.
Patent CA-1305660-C (CA)
Title: Hydraulic versa-trieve packer
Inventor: ROSS COLBY MUNRO
IPC: E21B33/1295
Filed: 1989-05-09
Granted: 1992-07-28
Abstract: HYDRAULIC VERSA-TRIEVE PACKER            ABSTRACT          A  hydraulic  well  packer  for  releasable  setting within a well casing includes a hydraulic actuator assembly mounted between annular seal elements and anchor slips, with the seal element , hydraulic actuator assembly and anchor slips  being mounted  for sliding movement  along a packer mandrel.  A setting piston and setting cylinder are locked together during run-in by a shear screw and by interlocking engagement of a transfer lug.  The transfer lug is shifted to provide a direct interlocking engagement between the set-ting piston and a setting wedge assembly after hydraulic pressurization has been initiated to a level sufficient to cause separation of the shear screw.   According to this arrangement, the shear screw lock is substantially isolated with respect to the weight of the. well packer and any pro-duction  equipment  connected  to  the packer during  run-in operations.
Patent CA-1320573-C (CA)
IPC: G11B7/0045
Filed: 1989-05-11
Granted: 1993-07-20
Abstract: ABSTRACT    An optical information recording medium of the type wherein recorded data are reproduced by scanning them with a laser beam, which comprises a ROM region where optically readable pits are already formed and an information recordable region where optically readable pits can be formed by irradiation with a writing laser beam, wherein the information recordable region comprises a light transmitting substrate having a deformable surface, a light absorptive layer overlaying the deformable surface, to absorb the writing laser beam, and a light reflective layer overlaying the light absorptive layer, said deformable surface being deformable by energy generated upon absorption of the writing laser beam by the light absorptive layer, to form optically readable pits.
Patent CA-1303576-C (CA)
Title: Liquid delivery/filling system
Inventor: SIMMEL THOMA L
IPC: B65B39/04
Filed: 1989-05-12
Granted: 1992-06-16
Abstract: ABSTRACT   By employing two independent, separate and distinct flow paths which are controllably sequentially opened during use in a single actuation operation, an error-free, flame and explosion proof liquid delivery/filling system is achieved.  In the preferred embodiment, both flow paths are normally maintained in a closed, sealed configuration, requiring an actuation force to controllably, sequentially open the flow paths.  Furthermore, the preferred embodiment is compact in design and provides an easy to use system, without sacrificing its inherent benefits.  In addition, flow diverging means are mounted in the liquid flow path to assure complete removal of all of the air from the chamber being filled.
Patent CA-1311991-C (CA)
Title: Combined continuous casting and rolling
Inventor: PLESCHIUTSCHNIGG FRITZ-PETER
IPC: B21B13/22
Filed: 1989-05-25
Granted: 1992-12-29
Abstract: MEI/L930-s COMBINED CONTINUOUS CASTING AND ROLLING                 ABSTRACT OF THE DISCLOSURE         A method for continuous casting metal products under utilization of a mold and pouring molten metal into the mold to obtain a flat stock with a thickness below 100 mm includes withdrawing the partially solidified casting by means of at least one roll pair which reduce the thickness of the stock upstream from complete solidification by at least 10% but not more than 70% while further reduction in thickness by at least 30% obtains downstream from complete solidification is improved by requiring that the product being cast has a thickness not below 50 mm; that exclusively internally cooled rollers are used for obtaining said reduction; and that the thickness is reduced downstream from the complete solidification at a point where the temperature is only little below the solidus temperature particularly in the case of steel being a temperature between 1500 and 1200 degrees C.
Patent CA-1303170-C (CA)
Title: Cylindrical insulation displacing connector
Inventor: LOOSE WINFIELD W
IPC: H01R4/24
Filed: 1989-05-29
Granted: 1992-06-09
Abstract: ABSTRACT:     A two  piece terminal  includes first  and second sections (100,200)  where the  first section  (100) is stationary relative to the second section  (200) and the second section (200) is rotatable relative  to the first section (100).  Each of the  sections is comprised of  a single thickness of  metallic material  wrapped into  a substantially cylindrical configuration, where the second section (200) is of a larger outer diameter than the first section (100) such  that the second  section (200)  can engagingly overlie the first  section (100).  The  first section (100) is mounted to an insulative housing with  a post section upstanding through the center  of the first section (100).  The  post has a  through opening  which includes at  least  partially  along its  length,  a frusto-conical section  for wire  section through  the opening.  The second section  (200) of terminal has  two wire receiving openings  (212,222 or 232,242),  each in communication with a  wire-receiving slot (216  or 236) around the circumference of  the cylinder, with the  two wire receiving openings being  on opposed sides  of the through opening the  post.  A cap  (300) fits over  the second section (200) of terminal and has a shoulder which is engageable with a free end of the second section (200) of terminal for rotation of the  second section (200) of terminal relative to the first section (100) of terminal. When a wire is placed in through the cap (300) and the cap (300) is turned, the second section (200) of terminal  is rotated and the wire  is terminated in a wire-receiving slot (216 or 236).
Patent CA-1338700-C (CA)
Inventor: OSBORNE JAMES LEE
IPC: A61M37/00
Filed: 1989-06-13
Granted: 1996-11-12
Abstract: Subsaturated, rate controlled delivery  devices (I)  for delivering an agent (5).  The initial equilibrated concentration of the agent in the agent reservoir (3) and the adhesive (5) is below saturation. The initial loading of the agent in reservoir (3) is sufficient to prevent the activity of the agent in the reservoir (3) from decreasing by more than about 75% and preferably no more than about 25%  during the predetermined period of administration.  The thicknesses of the adhesive (5), rate controlling membrane (4) and reservoir (3) layers are  selected  so  that at  least 50% and, preferably at least 75% of the initial equilibrated agent loading is in the reservoir layer (3).  The devices (1) are usable to deliver agents which are liquid at body temperatures such as benztropine, secoverine, nicotine, arecoline, polyethylene glycol monolaurate, glycerol monolaurate, glycerol monooleate and ethanol, for example.
Patent CA-1329561-C (CA)
Title: Potyvirus coat protein genes and plants transformed therewith
Inventor: SLIGHTOM JERRY L
IPC: C12N15/40
Filed: 1989-07-31
Granted: 1994-05-17
Abstract: ABSTRACT    The present  invention relates  to  the  coat protein genes of Papaya Ringspot Virus  Strain papaya  ringspot  (PRV-p),  Watermelon Mosaic Virus II (WMVII), and Zucchini Yellow Mosaic Virus (ZYMV); to expression vectors which contain a coat protein gene for PVP-p, WMVII or  ZYMV,  and,  additionally,  the  necessary  genetic  regulatory sequences needed for expression of a gene transferred into a plant; to bacterial or plant cells which are transformed with an expression vector containing the PVP-p, WMVII or ZYMV coat protein genes;  to transgenic plants which are produced from plant cells transformed with an expression vector containing the coat protein gene from PVP-p, WMVII or ZYMV;  and to a process of producing transgenic plants which have increased resistance to viral infection.
Patent CA-1340251-C (CA)
Title: Plants transformed with a dna sequence from bacillus thuringiensis lethal to lepidoptera
Inventor: BOTTERMAN JOHAN
IPC: C07K16/00
Filed: 1989-09-06
Granted: 1998-12-15
Abstract: A  plant  cell  transformed  with  all  or  part  of  a Bacillus  thuringiensis gene coding for either a 130 or 132 kDa  protoxin  against  Lepidoptera, preferably with a part of  the  gene  coding  just for the respective 62 or 60 kDa trypsin-digestion   product   of  the  protoxin.  A  plant, regenerated  from  the  transformed  cell,  is resistant to Lepidoptera.
Patent CA-1334737-C (CA)
Title: Liquid shield for cartridge
Inventor: SUGARMAN JEFF
IPC: B01L3/00
Filed: 1989-09-26
Granted: 1995-03-14
Abstract: A shield for isolating excess liquid on the surface of a diagnostic cartridge from a monitor with which the cartridge is used.  In a preferred embodiment the shield is a strip of flexible, resilient material which can lie flat while the cartridge is in its packaged condition but which automatically springs up to serve as a shielding surface when the cartridge is unpackaged and inserted into the monitor.
Patent CA-1320206-C (CA)
Inventor: PETERSEN UWE
IPC: C07D471/04
Filed: 1990-04-05
Granted: 1993-07-13
Abstract: ABSTRACT OF THE DISCLOSURE              Novel compounds of formula (VII)   in which X repressnts halogen or nitro, X' and X'' are identical or different and represent halogen and R denotes OH, halogen or alkoxycabonylmethyl with methyl or ethyl in the alkoxy part are valuable intermediates in the preparation of novel 6, 7-disubstituted-1-cyclopropyl-1, 4-dihydro-4-oxo-1, 8-naphthyridine-3-carboxylic compounds that are useful as antibacterials.