baber/WOPTO huggingface dataset:
Patent CA-1316843-C (CA)
Title: Vented fuel tank cap and valve assembly
Inventor: KELLER RUSSELL D
IPC: F16K17/36
Filed: 1988-12-28
Granted: 1993-04-27
Abstract: VENTED FUEL TANK CAP AND VALVE ASSEMBLY                   Abstract of Disclosure A  vented  fuel  tank  cap  and  valve  assembly  is described  including a pressure relief  valve with  a main valve member mounted at a main vent opening through the fuel cap.   A fusible metal ring of low melting point is provided in the pressure relief valve to enable such valve to open in the event of fire to prevent an explosion.  A float  valve  may  be  provided to  close  a secondary  vent passage  for  venting  fuel  fumes  through  the  valve  stem portion of the main valve member.  The float valve includes a tubular cage member attached to such valve stem portion and containing a hollow float member with a cavity opening through the bottom of such float.  A metal ball is provided within the cage member beneath the float member to hold the float valve closed when the tank tips to an inverted posi-tion and to trap liquid fuel in such cavity so that such fuel flows out of the cavity to open the valve when the tank returns to an upright position to prevent the float valve from sticking closed.  An auxiliary seal portion may be provided on the main valve member to increase the tank pressure required to remove the main valve member from the tank after the fusible ring melts so that liquid fuel is not discharged from the tank prematurely.
Patent CA-1299091-C (CA)
Title: Solvent flooding with a horizontal injection well in gas flooded reservoirs
Inventor: KOKOLIS GEORGE P
IPC: C09K8/58
Filed: 1989-01-03
Granted: 1992-04-21
Abstract: SOLVENT FLOODING WITH A HORIZONTAL INJECTION       WELL IN GAS FLOODED RESERVOIRS           (D#78,780-F) ABSTRACT OF THE DISCLOSURE The invention is a method for recovering residual hydrocarbons from a reservoir which has been previously swept by gas.  The invention steps comprise drilling and completing at least one horizontal injection well relatively near the top of the reservoir, injecting a miscible solvent through the horizontal injection well to create a curtain of solvent falling through the previously gas swept reservoir, and producing hydrocarbons and other fluids that have been banked below the falling solvent curtain through a production well.
Patent CA-1285269-C (CA)
Title: Turbulator construction for a heat exchanger
Inventor: HUGHES DENNIS R
IPC: F28F13/12
Filed: 1989-01-24
Granted: 1991-06-25
Abstract: TURBULATOR CONSTRUCTION FOR                   A HEAT EXCHANGER Abstract of the Disclosure A turbulator construction for a heat exchang-er.  The turbulator is fabricated from a single sheet of flat metal which is bent in the form of a double helix.  When disposed in a heat exchanger tube, the turbulator defines a pair of helical passages.  The upstream end of the turbulator is flat and extends diametrically across the tube to divide the tube into a pair of inlet passages of substantially equal area. Each inlet passage communicates with one of the helical passages.  In one form of the invention, the turbulator is formed from an elongated rectangular sheet of metal and in the bent condition, the peripheral edges of the helix are spaced from the tube to provide gaps there-between.  In a second form of the invention, the helix is formed from an elongated sheet with the side edges formed of a series of interconnected convex edge por-tions.  In the bent condition, the curved edge portions conform to the inner surface of the tube, so that there is no appreciable gap between the helix and the tube.
Patent CA-1339981-C (CA)
Inventor: KRAMER FRED R
IPC: C12Q1/6893
Filed: 1989-04-17
Granted: 1998-08-04
Abstract: The  present  invention  provides  a  replicable  and hybridizable  recombinant  single-stranded  RNA  probe molecule comprising:   a recognition sequence for the binding of an RNA-directed RNA polymerase; a sequence required for the initiation of product strand synthesis by  the  polymerase;  and a  heterologus  RNA  sequence inserted at a specific site in the internal region of the recombinant molecule and complementary to an oligo or polynucleotide of  interest.   This  invention also provides  methods  for  determining  the  presence  or concentration  of  an  oligo-  or  polynucleotide  of interest in a sample and for simultaneously determining the  presence  or  concentration  of  several  different oligo- or polynucleotides of interest in a sample.
Patent CA-1336693-C (CA)
Title: Recombinant dna vectors encoding a 4"-0-isovaleryl acylase derived from a carbomycin biosynthetic gene, designated care, for use in streptomyces and other organisms
Inventor: EPP JANET KAY
IPC: C12N15/54
Filed: 1989-05-11
Granted: 1995-08-15
Abstract: The carE gene of Streptomyces thermotolerans has been isolated and used to construct recombinant DNA expression vectors.  The carE gene encodes 4''-O-isovaleryl acylase activity important in the bio-synthesis of a number of useful antibiotics.  The carE gene can be used not only to construct recombinant cells with an increased ability to produce the acylase enzyme but also to construct recombinant cells with the ability to produce novel antibiotic compounds.
Patent CA-1302386-C (CA)
Title: Vehicle scissor lift
Inventor: CRAIG THOMAS A
IPC: B66F7/08
Filed: 1989-05-16
Granted: 1992-06-02
Abstract: ABSTRACT OF THE INVENTION             The scissor lift has two parallel sets of legs.  Each set has one end of an inner leg pivoted on a base and the other end slideable on the elevating platform One end of the outer leg of each set is pivotally connected to the platform while the other end slides on the base.  The mid portion of the legs are pivotally connected on a pin which also supports a crank which can rotate about 90° between a first generally horizontal position in which the actuated end of the crank is eccentric to an imaginary line connecting the pivot pin and the pivot of a ram which actuates the end of the crank.          Initial actuation of the crank 90° raises the pivot pin and the actuated end of the crank to increase the mechanical advantage of the ram.  The angle of the ram now has adequate uplift to be as effective as the prior art while requiring about 1/2 the storage height.  A stop bar is pivoted on the pivot pin and has a free end or tail slideable along the base as the pivot pin rises.  A plurality of spaced stops are welded on the base along the path of the tail and are engaged by the stop bar as the lift is lowered due to pressure loss or failure to actuate a control cable to lift the lock bar over the stops.
Patent CA-1330929-C (CA)
Inventor: WHITMARSH WILLIAM R
IPC: A23N4/00
Filed: 1989-05-30
Granted: 1994-07-26
Abstract: ABSTRACT OF THE DISCLOSURE      A citrus fruit segmenter which uses a slicing lever  mounted with  a  blade which is attached to the sidewalls of a  frame  by another pair of levers.  The slicing lever with the blade  nudges a  resiliently biased crank lever which intermittently rotates  a ratchet  wheel  upon which a cup is mounted to carry  a  half  of grapefruit or large orange.  The crank lever has a tooth  element designed to engage the toothed ratchet wheel and to retract  when working  against  a  locking pawl.  The  tooth element  is  also resiliently biased.  The resilient biasing of the crank lever and the  toothed element are accomplished by corrosion-resistant  "O" rings.  All of the elements of the device are made of  corrosion-resistant  material.  The blade is made of stainless  steel,  the frame and levers are made of synthetic resinous material.
Patent CA-1337829-C (CA)
Inventor: KIRKNES STEFFEN
IPC: G01S13/78
Filed: 1989-06-15
Granted: 1995-12-26
Abstract: In an identification system based on reflection of radar signals from a bit-coded transponder, the received signals are processed to remove unwanted signals and noise from the required, reflected and received signals that have a recurrent cycle.  The reflected signals are extremely weak in relation to the unwanted signals and noise.  A random bit sequencer and a time slot generator are used to generate a single phase modulated pulse train which is transmitted by an RF transmitter.  The pulse train signal is received and reflected from a coded passive transponder back to a comparable receiver.  The receiver demodulates the incoming reflected signal and directs the demodulated signal to an integrator array.  An inverted signal from the receiver is also utilized.  Synchronization of the transmitted and received signals is performed through a shift register while the bit sequencer controls a second integrator array.  In this way, the unwanted signals and noise associated with the low power reflected signal is substantially eliminated.
Patent CA-1336282-C (CA)
Title: Twice-aged porous inorganic oxides, catalysts, and polymerization processes
Inventor: KNUDSEN RONALD D
IPC: C01B33/12
Filed: 1989-06-29
Granted: 1995-07-11
Abstract: A silica-titania cogel or silica-titania-chromium tergel is first aged at a substantially neutral pH, then aged at an alkaline pH, and then spray dried or azeotrope dried to form a xerogel.  Optionally, a pore- preserving agent can be added prior to drying.  The cogel can be impregnated with a chromium compound.  The chromium-containing catalyst is activated by calcination.  The activated catalyst can be used as a polymerization catalyst to polymerize mono-1-olefins.
Patent CA-1314780-C (CA)
Title: Expansion system for a medical and surgical dressing
Inventor: BUCKLEY JOHN T
IPC: A61F13/00
Filed: 1989-08-30
Granted: 1993-03-23
Abstract: ABSTRACT OF THE DISCLOSURE      A medical and surgical dressing has an expansion system designed to cover, yet be spaced apart from, a healing wound when the dressing is applied.  In its expanded configura-tion, the dressing is bubble shaped.  The dressing  includes an adhesive material for adhering  to the skin of a  patient surrounding the wound, and  further includes several  layer of material which permit  circulation and filtration of  air entering the  space defined  by  the expanded  bubble.   The dressing and expansion system avoid direct contact with  the healing wound, yet fully protect the wound from the  outside environment.
Patent CA-1297452-C (CA)
Title: Automatic wire dispenser
Inventor: JONES JOHNNIE L
IPC: B65H49/00
Filed: 1989-09-20
Granted: 1992-03-17
Abstract: ABSTRACT OF THE DISCLOSURE                  AUTOMATIC WIRE-DISPENSER    A machine for dispensing wire according to the momentary needs of a wire-utilizing device has a wire guide mounted for oscillating movement in response to changes in wire tension, and has a drive and control system responsive to the position of the wire guide to progressively increase the rate of rotation of the spool to pay out wire faster in response to an increase in wire tension, and decrease the rate of rotation on reduction of wire tension.
Patent CA-1329843-C (CA)
Inventor: BALLINGER FORREST H
IPC: B61L29/28
Filed: 1989-09-27
Granted: 1994-05-24
Abstract: ABSTRACT OF THE DISCLOSURE             Warning lights at a railroad grade crossing are energized at a predetermined flash rate when a train is approaching through the use of an essentially fail-safe solid state crossing controller employing circuitry that is active in creating an off condition of the warning lamps.  A controller unit operates a pair of warning lamps alternately in synchronism with a warning rate (flash rate) signal having a predetermined repetition rate, such as 55 pulses per minute.  When the crossing is safe, an RC circuit in the lamp driver responds to a 500 Hz safe status signal by providing continuous control excitation to a normally conductive lamp switching circuit to maintain the lamps deenergized,  In a failure mode, the normal condition of the switching circuit maintains one lamp of each pair continuously energized.  Alternate flashing of a lamp pair is accomplished in synchronism with the warning rate signal by alternating an oscillator at the flash rate between two output frequencies and applying the oscillator output as modulation on the supply current to the lamps.  Additional lamp pairs are operated by independent control units all responsive to the alternating oscillator output.
Patent CA-1325220-C (CA)
Inventor: STROP HANS R
IPC: C11B1/10
Filed: 1992-05-06
Granted: 1993-12-14
Abstract: ABSTRACT OF THE DISCLOSURE       A process is disclosed for extracting vegetable oil from an oil bearing material such as soybean, corn and the like.  The process comprises adding a food oil of preferably the same type as will be extracted from the oil bearing material to the oil bearing material to form a slurry mixture.  Selected enzymes present in the slurry are deactivated and the slurry is heated at a preselected temperature for a preselected period of time, preferably under a partial vacuum.  This processing reduces the phospholipid and trace metal content in the oil extracted from the oil bearing material.  The oil product produced is light in color, shows no turbidity and exhibits a minimal amount of phosphorus, calcium, magnesium and iron.  The oil is ready for physical refining.
Patent DK-151112-C (DK)
Inventor: ALKJAER PETER
IPC: E04D13/02
Filed: 1985-03-26
Granted: 1988-03-21
Abstract: 57 A skirt (7) of finely corrugated sheet of lead is at its top edge assembled in a folded joint with the lower edge of a covering rail (4) mounted on the lower frame portion (3) of a skylight. A plastic and preferably adhesive material strip (8) is incorporated in the joint and is by the pressing together of the joint made to completely fill the corrugations of the skirt edge portion incorporated in the joint to eliminate flat- pressing of the corrugations.
Patent DK-153633-C (DK)
Inventor: COLMAN DEREK ALAN
IPC: B04C5/02
Filed: 1986-04-02
Granted: 1988-12-12
Abstract: A cyclone separator comprises at least a primary portion (1) having generally the form of a volume of revolution having a first and second ends, the diameter of the second end (d<2>) being less than the diameter at said first end (d<1>). The primary portion (1) has at least two portions, an inlet portion being generally adjacent and coaxial to a separating portion. Further, the cyclone separator can have coaxially adjacent secondary and tertiary portions (2, 3) with the tertiary portion remote from the primary portion (1). The cyclone separator includes a single inlet (8) with at least a tangential component at or adjacent to the inlet portion, where the inlet (8) can be in the form of a 360<o> spiral, or a component formed in axial direction to the cyclone, or an inlet giving into a feed channel of involute form. The cyclone separator further includes at least two outlets (4, 10). At least part of the primary portion (1) or secondary portion (2) of the cyclone separator, instead of being frusto-conical may be a volume of revolution whose generator is a continuously curved line. Further, a method of separating oil-water phases using the cyclone separator comprises the phases being at a higher pressure than in each outlet and in the downstream end of the downstream outlet portion (4).
Patent FI-71756-C (FI)
Inventor: MUELLER KARL-HANS
IPC: E01C7/18
Filed: 1981-07-15
Granted: 1987-02-09
Abstract: Bituminous binders are disclosed which contain at least one silane and show excellent improvement of adhesion. The bituminous binder containing silane is manufactured by heating The bituminous binder to a temperature of 120 DEG -230 DEG  C. and stirring in the silane. All known silanes can be used as the silane. The resulting compositions can be used for the production of street surfacings, industrial floors, floorings, building protective paints, roof coating masses, undercoatings for motor vehicles and rail vehicles, and cable covering compounds.
Patent FI-68965-C (FI)
Inventor: BENSON GUSTAV ERIC VALDEMAR
IPC: G01F11/08
Filed: 1981-11-04
Granted: 1985-12-10
Abstract: The device comprises a through-flow passageway (1) in which is arranged a valve chamber (17). A lower valve seat (4) and an upper valve seat (14) delimit said valve chamber (17). The valve seats (4, 14) are parts of two valve portions and may be closed by a lower and an upper valve body (12, 11). A pressurizing bulb (16) is arranged to generate a vacuum or excess pressure in the valve chamber (17). The device operates in the following manner. When the pressurizing bulb (16) is compressed, soap solution is forced through the lower valve seat (4) while the upper valve seat (14) remains closed. When the pressure on the bulb (16) is released, the bulb resumes its original shape and the vacuum thus created draws in fluid through the upper valve seat while the lower seat remains closed.
Patent FI-84577-C (FI)
Inventor: MARKS GERALD CYRIL
IPC: B29C39/16
Filed: 1985-02-21
Granted: 1991-12-27
Abstract: The present invention relates to a process and an apparatus for producing phenolic foam laminates with improved surface appearance. The process involves applying pressure on the foam forming mixture through one of its facings by a flexible member. The member is sufficiently flexible to allow continual rise of the foam but also smoothes out any uneven rise under the applied pressure thereby producing a laminate which has a surface immediately below the facing substantially free of any voids, craters or wrinkles.
Patent FI-78936-C (FI)
Inventor: PROUGH JAMES ROBERT
IPC: D21F1/00
Filed: 1985-05-07
Granted: 1989-10-10
Abstract: @ The latency of mechanical pulp is removed in a quick and simple manner. After refining of comminuted cellulosic material in a refiner (12) to produce mechanical pulp, the pulp is fluidized at a consistency of about 5-30% to remove latent properties. For instance, the pulp is diluted (if necessary) to a consistency of between about 5-30% (preferably 8-15%), and the pulp is then merely pumped to a further treatment stage. Pumping is effected utilizing a centrifugal pump (15) which fluidizes the pulp, the fluidization imparting sufficient energy to the pulp to remove the latent properties. The pulp may be pumped to a storage stage (23) prior to passage to a screening stage (21), and can be pumped in a direct (non-return) path (20) from the pump to the screening stage. If desired or necessary, a portion of the pumped pulp can be recirculated (in line 26, 26') and pumped again to ensure that sufficient energy is imparted thereto to effect latency removal.
Patent FI-87940-C (FI)
Inventor: WEISSHUHN ELMER
IPC: D21F1/02
Filed: 1986-07-11
Granted: 1993-03-10
Abstract: 1. A headbox system for a paper-making machine with a distribution box (1) and a guide device (2) connected thereto for guiding a suspension of fibre materials in the direction of the machine (M) and for distributing the suspension across the width of the paper-making machine, the guide device (2) leading into a jet chamber (3) which has two limiting lips (4, 5) and a delivery gap (6) leading to the paper-making machine past a baffle (9), and at least one limiting lip (4, 5) of the jet chamber (3) having at least two sections (7, 8) inclined at different angles (alpha, beta) counter to the direction of flow (M) of the suspension in the jet chamber, the angle of inclination (alpha) of the section (7) of the upper lip (4) defining the jet chamber (3) and directly adjoining the guide device (2) being between 0 degree and 30 degrees, characterised in that the angle of inclination of the section (8) of the upper lip (4) located directly in front of the delivery gap (6) is between 60 degrees and 90 degrees, the length (x) of section (7) being a multiple of the length (y) of section (8).
Patent FI-90565-C (FI)
Inventor: BERTOLA MAURO ATTILIO
IPC: C12N/
Filed: 1987-01-05
Granted: 1994-02-25
Abstract: A process for the preparation of a pharmaceutically active compound in a stereospecific form of the formula or a pharmaceutically acceptable salt or ester thereof, like an alkali metal salt or an alkaline earth metal salt or a pivaloyl ester, wherein R₁ represents an optionally substituted aryl group such as a phenyl or naphthyl group optionally included in a heterocyclic ring system, which is optionally substituted, or represents a heteroaromatic ring system containing in addition to carbon atoms one or more atoms selected from nitrogen, sulphur and oxygen, this ring system being optionally substituted, which comprises subjecting a compound of the formula wherein R₂ is an ester residue and preferably an alkyl group optionally substituted, to the action of a micro-organism having the ability for stereoselective hydrolysis of compound (II) into compound (I), having at least 80% by weight the S-configuration, and if desired converting compound (I) into the pharmaceutically acceptable salt or ester thereof.
Patent FI-89185-C (FI)
Inventor: MARLIERE PHILIPPE
IPC: C12Q1/68
Filed: 1987-08-31
Granted: 1993-08-25
Abstract: Hybridation probe for detecting the existence of bacteria in a sample. The hybridization probe is comprised of one of the two pentadecadeoxyribonucleotides having the sequence (5')d - AAG GAG GTG ATC CAG (3'), (5')d - CTG GAT CAC CTC CTT (3').
Patent FI-87198-C (FI)
Inventor: LUNDIN CLAES OLOF AXEL
IPC: C07C409/38
Filed: 1987-12-04
Granted: 1992-12-10
Abstract: New dialkyl esters of monoperoxyoxalic acid which have a tertiary alkyl group in the perester part of the molecule while the other alkyl group is a long-chain, primary alkyl group. The compounds give rise to radicals at heating and are useful as initiators for the polymerization of ethylenically unsaturated monomers, particularly for the polymerization of vinyl chloride.
Patent FI-96592-C (FI)
Inventor: HILDRE HANS PETTER
IPC: B63H25/30
Filed: 1989-05-02
Granted: 1996-07-25
Abstract: Hydraulic wing actuator for turning movement of a spindle, especially a rudder stock (3), comprising a lower part (2) fixed to the ship hull and an upper part (1) secured to the lower part and which together define a substantially torus shaped guiding path for wings (8, 7) connected with the lower part and the rudder stock respectively, where a ball shaped hub (4) being secured to the rudder stock (3) and journalled slideably in the lower and upper parts, creating the radially inward facing, concave limitation of the guiding path, which remaining torus shaped part being formed by the upper and lower parts, at least one fixed partition wall (5) being connected with the lower part and the upper part and comprising to both sides protruding wings (8) abutting tightly to the guiding path, whereby one fluid conduit leads to each side of each fixed partition wall (5) for alternatively pressurizing or depressing the two spaces on both sides of the partition walls, and at least one carrier (6) being fixedly connected with the hub and arranged in the guiding path, comprising to both sides protruding and tightly against the guiding path abutting wings (7) connected with the carriers and being displaceable together with the carriers.
Patent FI-86124-C (FI)
Inventor: KEMPPAINEN JARI
IPC: H04J13/00
Filed: 1990-11-15
Granted: 1992-07-10
Abstract: PCT No. PCT/FI91/00339 Sec. 371 Date Sep. 15, 1992 Sec. 102(e) Date Sep. 15, 1992 PCT Filed Nov. 14, 1991 PCT Pub. No. WO92/09154 PCT Pub. Date May 29, 1992.The invention relates to the realization of frequency hopping in radio transmitter, receiver or transceiver systems. In the system according to the invention, a separate fixed-frequency radio transmitter or radio receiver is provided for each frequency utilized in the frequency hopping. The frequency hopping is realized by switching received inbound signals or outbound signals as baseband signals to the different fixed-frequency transmitters or receivers in accordance with a frequency-hopping sequence.