baber/WOPTO huggingface dataset:
Patent CA-1308111-C (CA)
Title: Method for making bicyclic lactones
Inventor: KORTE STEPHAN
IPC: C07D311/94
Filed: 1986-08-14
Granted: 1992-09-29
Abstract: ABSTRACT           A method for making a bicyclic lactone comprising heating under aqueous acidic conditions a beta, gamma unsaturated cyclic nitrile of the formula   wherein R3, R4, R5, and R6 are independently selected from the group consisting of -H, -CH3; R2 is selected from the group consisting of -H, -CH3, and -C2H5: R8 is -H or -CH3; m is an integer from 1 to 5; o is 0, 1, 2, or 3 and p is 0, 1, or 2; provided that the sum m + o + p is an integer from 3 to 5; and an aldehyde having the formula   wherein R1 is selected from the group consisting of -H and -CH3, for a length of time sufficient to convert at least a portion of the reactants to a bicyclic lactone of the formula   wherein R1,R2, R4, R5, R6, m, o, and p are as defined above, R3 is -CH3, or if R8 is hydrogen, R3 together with R7 represents a carbon-carbon bond, R7 together with either R3 or R8 represents a carbon-carbon bond, and R8 is -H, or if R3 is -CH3, R8 together with R7 represents a carbon-carbon bond.
Patent CA-1287035-C (CA)
Inventor: BUTLER RONALD G
IPC: F16K5/06
Filed: 1986-11-21
Granted: 1991-07-30
Abstract: Abstract of the Disclosure A trunnion type ball valve arranged so that biasing means is not needed to establish a seal between the valve seats and the ball when the valve is in the closed position.  There is no load on the valve seats in the open position and a sufficient load in the closed position to effect a fluid seal in the closed position. The valve seats are movably mounted in the valve body so that they are displaced during opening and closing movement, but center themselves in the open and closed positions. RPS:rb November 4, 1985
Patent CA-1281996-C (CA)
Title: Forming a coating on a borehole wall
Inventor: WORRAL ROBERT N
IPC: E21B33/138
Filed: 1986-12-29
Granted: 1991-03-26
Abstract: A B S T R A C T                  FORMING A COATING ON A BOREHOLE WALL      A coating is formed on the wall of a borehole by injecting a fluid containing coating forming components through a conduit to a location close to the borehole bottom whereupon the coating forming components are plastered to the borehole wall as a continuous coating. In accordance with the invention the conduit is formed by a drilling assembly which drills the hole simultaneously or alternately with placing the coating.
Patent CA-1292626-C (CA)
Title: Process for assembling and/or dismantling an element construction, in particular a wall and/or ceiling structure, as well as an element construction for use in this process
Inventor: KOHLENBRENNER SIEGMAR
IPC: E04B2/74
Filed: 1987-02-05
Granted: 1991-12-03
Abstract: Abstract A Process for Assembling and/or Dismantling an Element Construction, in particular a Wall and/or Ceiling Structure, as well as an Element Construction for Use in this Process Using this process, element constructions are erected using building block elements (1, 2); bracing elements (32, 118, 48, 119) pass through these in the pre-assembled stage.  The building block elements (1, 2) with the bracing elements (32, 118, 48, 119) are set in the final installed position and braced with the couplers (126).  The tensile or contractive forces that occur are transmitted exclusively by the bracing elements (32, 118, 48, 119).  At least one of the building block elements can be inserted into an opening, the dimension of which--viewed in the direction of insertion--correspond to the dimensions of this building block element.     (Figure 28)
Patent CA-1293424-C (CA)
Title: Method and apparatus for controlling gasoline vapor emissions
Inventor: HIRT JOHN H
IPC: F23C7/06
Filed: 1987-03-03
Granted: 1991-12-24
Abstract: METHOD AND APPARATUS FOR CONTROLLING         GASOLINE VAPOR EMISSIONS          Abstract of the Disclosure A method and apparatus for abatement of gasoline vapor emissions from a vent pipe at a gasoline service station in which a vapor piping system interconnects the vent  pipe  with  gasoline  storage  tanks  and  gasoline dispensing nozzles in the service station, the apparatus including a pilot burner with a pilot ignitor,  a main burner, first and second vapor pressure switches in the vent pipe for sensing and controlling pressure of vapor in the vapor piping system to maintain the pressure of vapor slightly below atmospheric pressure, a regenerative small turbine located downstream from the first and second pressure switches for moving vapor in the vapor piping  system;  a  sensor  for  the  pressure  of  vapor downstream from said turbine for causing at a selected downstream pressure of vapor, admission of vapor to the pilot burner,  and a sensor for the pilot flame at the pilot burner for causing admission of vapor to the main burner for ignition by the pilot flame.
Patent CA-1287610-C (CA)
Inventor: NITSCH DIETER
IPC: B64C1/14
Filed: 1987-03-13
Granted: 1991-08-13
Abstract: MBB/K605-s WEIGHT COMPENSATING MECHANISM PARTICULARLY                 FOR AIRCRAFT HATCHES, DOORS, OR GATES                      ABSTRACT OF THE DISCLOSURE      Weight compensation for hinged doors, hatches, gates, or the like, which swing up down on an upper horizontal hinge axis, comprises a torsion rod extending parallel to the hinge axis and having hollow shafts or bushings at its respective ends, one of the bushings is connected through a lever and a continuously length adjustable rod to the frame and on one side of said door, hatch, or gate, the other bushing is mounted to a lever, and a continuously adjustable tensioning screw fastens that lever to the door, hatch, or gate, and at the other side thereof.
Patent CA-1291405-C (CA)
Title: Drive system for a bending machine
Inventor: MASON BENJAMIN
IPC: B21D7/08
Filed: 1987-03-27
Granted: 1991-10-29
Abstract: A B S T R A C T            A DRIVE SYSTEM FOR A BENDING MACHINE     An improved bending machine with three or more rollers      which may be driven at different speeds and/or with differing torques has a control system unit which receives signals indicative of the position and speed of rotation of one or more of its rollers and which is connected to means for adjusting the position and rotational speed of the or each roller so that commands can be given to vary these parameters.  The torque on one or more of the rollers may also be measured and varied.  The machine can thus be readily and accurately adjusted to produce bends of differing dimension in strip metal material.
Patent CA-1314278-C (CA)
Title: Polycondensation catalyst
Inventor: OGATA NAOYA
IPC: C08G69/04
Filed: 1987-05-22
Granted: 1993-03-09
Abstract: Abstract of the Disclosure POLYCONDENSATION CATALYST     Condensation polymers of high molecular weight, such as polyesters, polyureas, and polyamides, are usually prepared at temperatures of 200°C or greater. However, by utilizing the catalyst system of the present invention condensation polymers can be synthesized at much lower temperatures.  These catalyst systems are comprised of (1) a silicon-phosphorus composition which contains at least one divalent oxygen atom which is bonded directly to a tetravalent silicon atom and a trivalent or pentavalent phosphorus atom; and (2) at least one acid acceptor.  For example, P(OSiR3)3 wherein R can be an aliphatic or aromatic hydrocarbon radical, can be used in conjunction with a basic solvent as a catalyst system.  Polymeric agents having pendant diphenylphosphine dichloride groups can also be used in conjunction with an acid acceptor as a catalyst system.
Patent CA-1279888-C (CA)
Title: Synchronous generators
Inventor: NICKOLADZE LEO G
IPC: H02P9/48
Filed: 1987-09-24
Granted: 1991-02-05
Abstract: ABSTRACT OF THE DISCLOSURE           In a compound electromechanical assembly having a first singly fed stage mounted for common rotation with a second singly fed stage mounted for common rotation with a second singly fed stage impedance is inserted in inverted connection to form an electrical loop between the secondaries.  The impedance includes a resistor and capacitor connected in parallel.
Patent CA-1275314-C (CA)
Title: Receiver
Inventor: MCGOWAN DAVID L III
IPC: H04Q9/00
Filed: 1987-09-30
Granted: 1990-10-16
Abstract: ABSTRACT   A receiver for receiving a measured value is connected to a two-wire transmission line used for transmitting a digital command signal from a communicator, a digital measured value signal from a transmitter, and a response  signal responding to the command signal, The receiver includes a timer for discriminating that a nonsignalling state of the two-wire transmission line has continued for a predetermined period, and a CPU for validating a specific period of a reception signal received after the discrimination operation of the timer.
Patent CA-1340078-C (CA)
Title: Reversibly photochromic printing inks
Inventor: AMON ALBERT
IPC: C09B67/08
Filed: 1988-01-13
Granted: 1998-10-13
Abstract: Photochromic printing inks are disclosed which are in particular used for the printing of security documents. Prints are normally nearly colorless and become colored when energy irradiated, such as by ultraviolet light. This photocoloration is reversible. The printing inks contain photochromic compounds which are protected against other ink components. Methods are described to prepare the inks, to print security documents, and to detect counterfeiting.
Patent CA-1296773-C (CA)
Title: Trunked communication system for voice and data
Inventor: ZDUNEK KENNETH J
IPC: H04W84/08
Filed: 1988-01-27
Granted: 1992-03-03
Abstract: TRUNKED COMMUNICATION SYSTEM     FOR VOICE AND DATA            Abstract A trunked voice/data communication system (100 is provided wherein a plurality of the trunked voice repeaters (104) are adapted (122) to accommodate both voice and data traffic.  Data channels are assigned for a dynamically varying period of time depending upon traffic load or time of day.  Once a data channel is established, any data unit (114 or 116) may transmit without re-requesting a data channel. In this way, the protracted request grant delay times are avoided.  After the time interval, or if higher priority voice traffic exits, the data channel is reallocated to voice traffic. Thereafter, another data channel request may result in a data channel grant for another time interval.
Patent CA-1292496-C (CA)
Title: Electrically powered hair curling appliance
Inventor: THOMPSON ROBERT I
IPC: A45D1/04
Filed: 1988-04-07
Granted: 1991-11-26
Abstract: Abstract of the Disclosure An electrically heated curling iron includes a motor for rotating the curling mandrel thereof.  The curling iron may include controls to select the rotational speed and temperature of the mandrel.  The present invention provides a compact, linear curling iron having controls mounted so as to be easily and sequentially operated.
Patent CA-1292215-C (CA)
Title: Ceiling mounted luminaire housing system
Inventor: PATEL MAHENDRA K
IPC: F21V21/04
Filed: 1988-05-17
Granted: 1991-11-19
Abstract: Abstract of Disclosure A housing system for ceiling mounted recessed luminaires includes a generally flat, rectangular mounting plate. A circular vertically extending flange extends downwardly from the lower surface of the mounting plate.  The diameter of the circular flange is substantially the same as the width of the mounting plate.  A cylindrical lamp housing is secured to the mounting plate and extends upwardly therefrom.  Mounting plate also has a junction box secured thereto with its largest dimension disposed vertically from the mounting plate.  An electronic conduit extends between the junction box and the lamp housing.
Patent CA-1308048-C (CA)
Title: Container
Inventor: TOKUDA KOICHI
IPC: B65D1/24
Filed: 1988-09-21
Granted: 1992-09-29
Abstract: ABSTRACT OF THE DISCLOSURE         A container from which its content can be readily taken out by a simple one-hand finger operation, is provided.  The container comprises a lid and a container main body and is sealed at least at its peripheral flange.  The container main body can be bent outwardly, and it comprises two content-holding portions which are divided by the portion for bending and which are designed such that when the container main body is bent these two portions may be pressed by each other.          The lid comprises at least a monoaxially oriented film.          The lengthwise direction of the portion for bending coincides with the direction of orientation of the monoaxially oriented film.  A non-sealed portion is provided at an edge portion of the peripheral flange coincident with at least one end of the portion for bending, and at least two slit lines for initiating tear are provided in a part of the lid which constitutes the non-sealed portion.
Patent CA-1320031-C (CA)
Title: Casting method and apparatus therefor
Inventor: KANOH KUNIHIKO
IPC: B22C9/04
Filed: 1988-09-28
Granted: 1993-07-13
Abstract: ABSTRACT OF THE DISCLOSURE    A flask has obtuse-angled or arcuate portions at its inner periphery.  It is provided in such a manner as to be movable by a moving device.  A filling material such as sand is filled in this flask.  Embedded in the filling material is a melting pattern which is decomposed while generating combustile gas when it is heated.  A runner is connected to the melting pattern, and a hollow combustion suction is provided in such a manner that it is in contact with the layer of filling material.  The combustion suction device has vent holes on its side wall which forms a gas collecting chamber, as well as a burner at its upper portion.  The flask is vibrated by a vibrating device so as to pack the filling material densely and substantially uniformly by the action of the bent portions.  Thereafter, a molten metal is poured from a sprue to manufacture a product, and the generated gas is ignited and burned at the burner of the combustion suction device by an ignition device provided in such a manner as to face the burner, by which suction of the gas is conducted.    The flask is then moved so as to provide its burner with another ignition device and thereby maintain suction.
Patent CA-1322938-C (CA)
Inventor: MOLINA ORLANDO G
IPC: G01N21/94
Filed: 1988-11-09
Granted: 1993-10-12
Abstract: Abstract of the Invention Water  washable  substantially  biodegradable  compositions  having excellent  sensitivity  and  high  stability,  for  use  in  non-destructive testing  of  objects  for  contaminant detection  and  identification.   The contaminant identifier composition consists essentially of a fluorescent dye  and  a  suitable  carrier.    The  developer  composition  consists essentially  of  an  organic  dye  or  combination  of  dyes,  preferably fluorescent dyes,  and  a  carrier or solvent therefore,  in the form of certain  ethoxylated  linear  alcohols,  particularly  the  biodegradable nonionic surfactants comprised of ethoxylates of a mixture of secondary alcohols having linear alkyl chains of from 10 to 17 carbon atoms.  In the method of application the contaminant identifier is first applied to the surface  of  an  object  to  be  tested  to  detect  the  presence  of  the contaminant.  Excess identifier is removed and the developer composition applied for a time sufficient to dye the contaminant.  The surface is then flushed to remove any excess developer and, the surface of the object is viewed  under  suitable  light and  conditions,  eg.,  ultraviolet  or black light to locate surface contaminants.     0016k
Patent CA-1303555-C (CA)
Title: Lift system for front-mounted implement for lawn and garden tractors
Inventor: SCHMID STEVEN L
IPC: B62D49/02
Filed: 1988-11-15
Granted: 1992-06-16
Abstract: LIFT SYSTEM FOR FRONT-MOUNTED IMPLEMENTS     FOR LAWN AND GARDEN TRACTORS    Abstract of the Disclosure A front-mounted snowblower is pivotally attached to a mid-mount location at the underside of a tractor frame by a pair of lift arms that extend between the tractor front wheels.  A rockshaft is pivotally attached to the snowblower at a location forwardly of the tractor and is linked to brackets carried by the tractor axle.  The rockshaft includes a transversely offset arm to which the forward end of a lift link is coupled, the rear end of the lift link being coupled to a lift handle located beside the tractor operator station and secured to the outer end of a support bracket fixed to rear end portions of the lift arms.  The mounting of the handle to the bracket releases the handle from the bracket upon the handle being swung forwardly beyond a normal working range thereby permitting the implement lift arms to be moved between the tractor front wheels during attachment and detachment operations.
Patent CA-1324214-C (CA)
Title: Optical reader head with video compensation method and circuit
Inventor: KALLIN FREDRIK L N
IPC: G06K7/14
Filed: 1988-11-21
Granted: 1993-11-09
Abstract: Abstract Of The Disclosure An optical reader head with a video compensation circuit for use in high speed document reading.  The reader head utilizes small focussed bulbs to illuminate the scanning line, with the head being comprised of first and second body sections housing a lens which focusses the light reflected from a document at the scanning line to a light array comprised of 256 sensors.  Light from four adjacent sensors along the scanning line is integrated to produce a composite pixel which becomes one of 64 such composite pixels for a scanning line of data.  A peak comparison PROM is used for adjusting document background levels, for example, for use in thresholding the pixel data.  A special test circuit is used to insure accurate focussing of the lens.
Patent CA-1310712-C (CA)
Title: Sychronization failure detection
Inventor: SANNER MARTIN W
IPC: H04L7/00
Filed: 1988-11-29
Granted: 1992-11-24
Abstract: SYNCHRONIZATION FAILURE DETECTION                 ABSTRACT OF THE DISCLOSURE A method, and apparatus implementing that method, for monitoring a synchronization circuit to ensure proper operation thereof.  The synchronization circuit is of the type that receives asynchronously occurring input pulses to produce therefrom representa-tions of the received input pulses, having state tran-sitions synchronized to the state transitions of a pe-riodic clock signal.  The invention also receives the input pulses and the synchronized representation of those pulses, to ensure that for every input pulse there is provided a synchronized pulse by the synchronization circuit.
Patent CA-1329453-C (CA)
Title: Wood preservative
Inventor: GOETTSCHE REIMER
IPC: B27K3/52
Filed: 1988-12-14
Granted: 1994-05-17
Abstract: Abstract of the Disclosure:  Wood preservatives which are based on a zinc compound and an aliphatic carboxylic acid and additionally contain a polyamine and processes for preserving wood with these preservatives.
Patent CA-1318786-C (CA)
Title: Snowplow mounting assembly for front-end loaders
Inventor: MORRELL JOHN R
IPC: E02F3/40
Filed: 1989-01-04
Granted: 1993-06-08
Abstract: SNOWPLOW MOUNTING ASSEMBLY FOR FRONT-END LOADERS               ABSTRACT OF THE DISCLOSURE     A simple apparatus is disclosed for mounting a large highway plow on the bucket of a front-end loader.  The mounting assembly comprises a main frame member that has affixed to it two plow connectors projecting forward toward the plow and two parallel, "U"-shaped struts projecting backward toward the loader.  The open ends of the "U"-shaped struts are connected to each other by reinforcing bars and thereby form a receiving slot for the bottom edge of the loader's bucket.     In operation, the plow connectors are positioned adja-cent standard "ear" brackets of the plow and "cotter pin" securing rods pass through the connectors and ears, attaching the mounting assembly to the plow.  To mount the plow and assembly onto the loader's bucket, the operator simply drives the lower edge of the bucket up the receiving slot of the assembly until the edge abuts the main frame.  Two plow chains, affixed to the plow, are then secured to grab hooks on either side of the top edge of the bucket.  The operator can then raise the bucket, which raises the mounted assembly and plow, to transport to the surface to be plowed.  Tilting the bucket forward until the plow contacts the surface to be plowed allows plowing without having the mounting assembly or bucket contact the surface.  Lowering the bucket to the surface, freeing the plow chains from the hooks and backing out of the receiving slot dismounts the plow and assembly from the bucket.
Patent CA-1323895-C (CA)
Title: Water skate
Inventor: GILBERT RONALD C
IPC: B60V1/00
Filed: 1989-03-01
Granted: 1993-11-02
Abstract: RONALD CHARLES GILBERT    ROBERT ROY HENVEST   WATER SKATE                  ABSTRACT OF THE DISCLOSURE    A fluid-cushion-supported pallet or water skate in which the cushion-fluid is generally defined by a multi-part or segmental flexible skirt  in which the contiguous skirt members have their downwardly and Inwardly extending lateral portions flanked by tie portions extending inwardly from the lateral portions toward the space accupied by the fluid-cushion,  the contiguous tie portions are secured outwardly of the inner edges to restrict the escape of the cushioning fluid  and the segmental flexible skirt prevents sideways deflection of the skirt segments caused by relative movement between the device and surface over which the device operates.
Patent CA-1306294-C (CA)
Title: Socket contact
Inventor: BEER DIETER
IPC: H01R13/115
Filed: 1989-08-03
Granted: 1992-08-11
Abstract: ABSTRACT         A hollow generally tubular female electrical connector is formed from a sheet metal blank to define a body member having a rectangular cross-sectional configuration including opposed pairs of side walls, characterized by the formation of two pairs of opposed inwardly-extending contact tongues that are arranged in longitudinally spaced relation for successive engagement by a male connector, whereby two different longitudinally-spaced contact planes are provided to afford reliable safe electrical contact with the male connector.  Preferably, the contact tongues of one pair are formed from body side walls that are orthogonally arranged relative to the side walls from which the other pair of contact tongues are formed, whereby the pairs of contact tongues are arranged at 90° relative to each other.
Patent CA-1313348-C (CA)
Inventor: MUELLER WALTER B
IPC: B32B27/28
Filed: 1989-08-04
Granted: 1993-02-02
Abstract: Abstract of the Disclosure A flexible  film  suitable  for  medical  solution  pouches  and parenteral materials generally includes a core layer of high density poly-ethylene, two intermediate layers comprising very low density polyethyl-ene, an outer layer comprising an ethylene propylene copolymer or flexible copolyester, a sealant layer comprising a heat sealable polymeric material such as modified ethylene propylene copolymer, and two polymeric adhesive layers bonding the intermediate layers to the outer and sealant layers respectively.
Patent CA-1320321-C (CA)
Title: Device and method for at least partially encapsulating a substantially sheet shaped element
Inventor: JOURQUIN LUCIEN
IPC: B29C45/00
Filed: 1989-08-24
Granted: 1993-07-20
Abstract: ABSTRACT             "Device and method for at least partially encapsulating a substantially sheet shaped element".     The invention relates to a device for at least partially encapsulating a border of a substantially sheet shaped element, said device comprises a mould having at least two parts for pressing there between said element, said mould being provided with means for forming, when said element is pressed between parts of said mould, a cavity around said border, said device further comprising injection means for injecting a moulding substance into said cavity. Said means for forming said cavity comprise an elastically deformable member having a profile which extends along an encapsulation borderline of said element and which is provided to be elastically deformed while maintaining a tight contact along said encapsulation borderline when a pressure is applied thereon in order to follow irregularities in said element along said borderline.   The invention also relates to a method for at least partially encapsulating a border of a substantially sheet shaped element.           Figure 1.