baber/WOPTO huggingface dataset:
Patent CA-2164552-A1 (CA)
Title: Back-flushable filtering apparatus
Inventor: VOLLMER RUDOLF
IPC: B01D29/11
Filed: 1995-12-06
Abstract: A back-flushable filtering apparatus (10) consists of a main filter (28) and an ante-filter (36). In the back-flushing mode a centrifugal pump (38) within the ante-filter is driven by an impçller (30) within the main filter so that besides the main filter also the ante-filter is cleaned (Fig. 1).
Patent CA-2166160-A1 (CA)
Title: Cycloolefin copolymer composition
Inventor: ABE YOSHIHARU
IPC: C08F287/00
Filed: 1995-12-27
Abstract: Disclosed is a cycloolefin copolymer composition (C) obtained by copolymerizing an .alpha.-olefin of two or more carbon atoms (a) and a specific cycloolefin (b) in the presence of an aromatic ring-containing vinyl hydrocarbon/conjugated diene copolymer or a product of hydrogenation thereof (A) which has an intrinsic viscosity (r)) of 0.5 to 5.0 dl/g; at least one glass transition temperature (measured by DSC) of lower than 15 °C; polymerizable carbon-to-carbon double bonds in an amount of 2 to 150 in terms of iodine value; and a refractive index n D(A) of 1.50 to 1.65. In the composition (C), the component (A) is contained in an amount of 1 to 40 % by weight, and a difference .DELTA.n D between the refractive index n D(A) of the component (A) and a refractive index n D(B) of a cycloolefin copolymer component (B) obtained by copolymerizing the .alpha.-olefin (a) and the cycloolefin (b) in the absence of the component (A) is not more than 0.015.      The cycloolefin copolymer composition is excellent in impact resistance, transparency and heat resistance.
Patent CA-2166402-A1 (CA)
Title: A device for aiding the solubilization of gases in liquids
Inventor: ISBELL ARTHUR F
IPC: B01F27/94
Filed: 1994-05-02
Abstract: An apparatus and method are disclosed for rapidly and efficiently dissolving gases  in a liquid.   A diffuser,  including  a  closed  top  hollow  device, preferably a hollow conical, shaped frustum having a plurality of openings around the perimeter near the closed top is submerged in the liquid and rotated at relatively high speeds creating a centrifuge-pump. When the rotating diffuser is located near the surface of the liquid, no additional gas is required in the dissolution process.   When the device is submerged substantially below the surface or if a gas other than oxygen is to be dissolved, then additional gas must be pumped  into  the  bottom  opening  of  the  rotating diffuser.   This device can be used in oxygenating treated  sewage  water,  removing  impurities  from liquids, and for oxygenating horticultural ponds to increase production.
Patent CA-2168565-A1 (CA)
Title: T cell epitopes of ryegrass pollen allergen
Inventor: GRIFFITH IRWIN J
IPC: C12N15/02
Filed: 1994-08-05
Abstract: The present invention provides isolated peptides of Lol pV, a major protein allergen of the species Lolium perenne. Therapeutic peptides within the scope of the invention comprise at least one T cell epitope, or preferably at least two T cell epitopes of a protein allergen of Lol pV. Diagnostic peptides within the scope of the invention bind IgE. The invention also provides modified peptides having similar or enhanced therapeutic properties or other desirable properties as the corresponding, naturally-occuring allergen or portion thereof. The invention further provides nucleic acid sequences coding for peptides of the invention. Use of the therapeutic compositions comprising one or more peptides of the invention in the manufacture of medicaments for treating sensitivity to Lol pV or an allergen immunologically related to Lol pV, or for general ryegrass sensitivity in an individual, is also provided. The invention also provides nucleic acid sequence coding for Dac gV protein allergen as well as the amino acid sequence of Dac gV protein allergen.
Patent CA-2169614-A1 (CA)
Title: Method and device for aligning a drill aggregate
Inventor: RITZLER ULF
IPC: E21B7/02
Filed: 1996-02-15
Abstract: Method and device for aligning a drill aggregate (1) in a tunnel (2) relative to a predetermined plane transverse to the tunnel. The wall of the tunnel is surface lighted by lamps (9) in the areas of marks (5), e.g. in form of lines painted on the tunnel wall. An optical system (6) on the drill aggregate senses the marks and generates electric signals which are fed to a presentation unit (7). Then a carrier (3) and/or a drill unit (4) forming part of the drill aggregate (1) are moved until the presentation unit (7) shows that the drill unit is in the desired position.
Patent CA-2170340-A1 (CA)
Title: Spring lock connector
Inventor: WASSERMAN STEPHEN PHILLIP
IPC: F16L19/02
Filed: 1996-02-26
Abstract: A spring lock nut assembly for coupling a tube to another member such as a valve, manifold, other tube or the like, includes a tail piece which is brazed onto the tube, a spring lock wire and a spring lock nut. The spring lock wire is diamond-shaped in cross-section and has two surfaces received in an internal V-shaped groove in the lock nut. The remaining two surfaces of the lock wire project from the V-shaped groove. One of the surfaces of the lock wire which projects from the groove projects at an angle of about 45° and abuts a 45° shoulder on the tail piece. This abut-ment prevents the spring lock nut from being removed from the tube but allows the spring lock nut to rotate so as to effect a threaded coupling with the other member.
Patent CA-2171067-A1 (CA)
Inventor: ANDREWS BRIAN J
IPC: A61N1/36
Filed: 1996-03-05
Abstract: A neural prosthesis has a generator of electrical pulses, the pulses having a sine wave shape with frequency greater than 5 kHz, which may be amplitude modulated with a modulator,  a blocking electrode for delivery of the electrical pulses to the neuron of the human nerve, the blocking electrode being electrically connected to the generator; and a controller operatively connected to the generator, the controller including an input for receiving control inputs, a control circuit responsive to the control inputs,  and an output  line  responsive to the  control circuit for sending output signals, the output signals of the controller including at least a start signal and a stop signal  for  controlling  the  generator.    A  method  of controlling human nerve activity in a human body,  the method comprising the step of applying electrical pulses to a neuron of a human nerve, the pulses being characterized by having a sine waveform and frequency over 5000 kHz such that, upon application of the pulses to a first site on the neuron, propagation of action potentials in the neuron is blocked at the first site. The neural prosthesis is used with a sensor having output representative of human body activity, such as body movement, muscle activity or nerve activity.  For  the  prevention  of  an  initial  action potential, an initial pulse may be delivered with greater amplitude or different shape than subsequent pulses.
Patent CA-2172447-A1 (CA)
Title: Dna molecules for expression of polypeptides
Inventor: DAS GOUTAM
IPC: C12N15/81
Filed: 1996-03-22
Abstract: The invention relates to DNA molecules, recombinant vectors and cell cultures for use in methods for expression of bile salt-stimulated lipase (BSSL) in the methylotrophic yeast Pichia pastoris.
Patent CA-2174032-A1 (CA)
Title: Dual pitch multiphase screw pump
Inventor: PRANG ALLAN J
IPC: F04C2/00
Filed: 1996-04-12
Abstract: A pump for pumping fluids consisting of liquids with a variable volume of entrained air or gas includes a housing having a fluid inlet, a fluid discharge, a walled fluid passage between the fluid inlet and the fluid outlet, and at least one bleed port through the wall at an intermediate point in the fluid passage.  At least two parallel interacting helical screw rotors are rotatably mounted within the fluid passage and extend from the fluid inlet to the fluid discharge, the rotors having pumping capabilities at a high first flow rate between the fluid inlet and the intermediate point and at a second low flow rate between the intermediate point and a point nearer the fluid discharge than the intermediate point.  Provisions are made for rotatably driving the rotors.  In operation, this pump consumes less power than standard single pitch pumps, and it pumps effectively with void volumes between 0% and 100% allowing use of smaller pumps than normally required.
Patent CA-2177290-A1 (CA)
Title: Device for the crossed displacement of rolling rolls
Inventor: DONINI ESTORE
IPC: B21B13/02
Filed: 1996-05-22
Abstract: Device for the crossed displacement of rolling rolls, whether they be processing rolls (12) and/or back-up rolls (13), in a rolling mill stand (10) to produce plate and/or strip,the device including an upper rolling block (11a) and a lower rolling block (11b), the processing rolls (12) and back-up rolls (13) cooperating at the ends with respective supporting chocks (14), which in turn cooperate with respective stationary housing 15) in cooperation with at least one side of at least one chock (14) with at least one means of motion transmission (20) comprising guide and positioning cradle means (18), actuation means (24) and motor means (25) with the motor means (25) governed by a control unit (26).
Patent CA-2177984-A1 (CA)
Title: Processing lignocellulosic agricultural residue
Inventor: SPARKS GEORGE H
IPC: D21J5/00
Filed: 1994-12-01
Abstract: A process for forming molded articles from partially delignified  non-woody lignocellulosic materials (10) is disclosed that includes forming a mass of fibrous pulp partially delignified lignocellulosic material from a water suspension thereof, and separating (19) the mass into pieces of a size suitable to an airborne tumbling and drying operation.  The pulp is subjected to the tumbling and drying operation (32) such that the fibers are sufficiently separated and aligned to be formed into an interconnected mat or web (46). The mat or web is subjected to sufficient pressure (48) to enable shapes to be molded from a continuous web and articles are molded  from   the web using a molded press.  A water resistant coating (50) may be applied to the mat.  A process of delignifying  non-wood lignocellulosic material is also disclosed.
Patent CA-2178189-A1 (CA)
Title: Flotation column with constant feed arrangement
Inventor: TERBLANCHE NARDUS
IPC: B03D1/14
Filed: 1996-06-04
Abstract: A method and apparatus for separating particulate material.  The method includes the steps of delivering a substantially constant supply of feed to a first aerator, aerating the substantially constant supply of feed in the first aerator, introducing the substantially constant supply of aerated feed to a flotation vessel below a froth/liquid interface within the vessel, so that floatable particulate material entrained by air bubbles from the first aerator can float upwardly to the froth/liquid interface. Air is introduced into the liquid phase in the flotation vessel via a second aerator located below the level at which the aerated feed is introduced into the flotation vessel, so that floatable particulate material not entrained by air bubbles from the first aerator, may be entrained by air bubbles from the second aerator, as the air bubbles from the second aerator rise upwardly through the liquid phase to the froth/liquid interface.
Patent CA-2178796-A1 (CA)
Title: Method for filtering out particles from a fluid
Inventor: LUNDIN ERIC GUSTAF
IPC: B01D33/72
Filed: 1996-06-11
Abstract: To filter out particles from a fluid, using a rotating filter, the filter surface speed is higher than the fluid so that particles striking the filter surface rebound and are spun off by centrifugal forces before they enter the filter pores and clog the filter. The fluid is delivered to the filter surface at a tangent. The filter can be a hollow and porous ceramic body.
Patent CA-2181045-A1 (CA)
Title: System for cardiac procedures
Inventor: STEVENS JOHN H
IPC: A61F2/24
Filed: 1993-12-17
Abstract: A system for accessing patient's cardiac anatomy which includes an occluding catheter with an expandable member or balloon on a distal extremity of the catheter which when expanded within the patient's ascending aorta separates the left side of the heart from the rest of the patient's arterial system. A cardiopulmonary by-pass is connected to a major vein e.g. femoral, and a major artery e.g. femoral, to withdraw blood from the major vein, remove carbon dioxide oxygenate the withdrawn venous blood and then return the oxygenated blood to the patient's arterial system through the major artery. Preferably, the heart muscle or myocardium is paralyzed by the retrograde or antegrade delivery of a liquid containing cardioplegic material to the myorcardium through patient's coronary sinus and coronary veins. The pulmonary trunk is vented by withdrawing liquid from the trunk through an inner lumen of an elongated catheter or by holding at least partially open the pulmonary valve and preferably also the tricuspid valve which depressurizes the left atrium. The cardiac accessing system is particularly suitable for removing aortic valves and replacing the removed valve with a prosthetic valve.
Patent CA-2181561-A1 (CA)
Inventor: GOMEZ CHARLES W
IPC: G03C1/795
Filed: 1995-01-11
Abstract: On a découvert que les colorants du type dihydropérimidine squarylium sont particulièrement efficaces comme produits empêchant la formation d'halos et améliorant la netteté d'articles de photothermographie et de photographie. Le colorant de type dihydropérimidine squarylium a le noyau illustré par la figure (I).
Patent CA-2182779-A1 (CA)
Title: Gas spring and method of producing same
Inventor: COTTER PATRICK J
IPC: F16F9/54
Filed: 1995-12-29
Abstract: A gas spring with an elongate tubular casing having a chamber for containing a gas under pressure therein. The casing has an opening at one end and an annular groove around the outer circumference. A piston rod projects from the casing through the opening and is connected to a piston disposed within the chamber for compressing the gas therein. A mounting sleeve is telescoped over the casing and has exterior threads thereon. The sleeve has an internal annular groove which coin ides with the groove in the casing forming a passage between the sleeve and the casing. The sleeve is secured to the casing by a lock ring formed in the passage by injecting a resin into the passage and allowing it to cool and solidify. Holes are formed through the sleeve opening into the passage. Some permit resin to be injected into the passage through the holes and some permit resin to flow from the passage into the holes. The resin material in the holes is trimmed to the radially outer tip of the threads leaving excess resin material between some of the threads. This excess material acts as a thread locking element when the gas spring is installed into a die.
Patent CA-2183407-A1 (CA)
Inventor: VOLL RODGER
IPC: A01D34/73
Filed: 1996-08-15
Abstract: A cutting head for a rotary lawnmower includes a hub having at least two symmetrically arranged blade mounting lobes.   Each of the blade mount lobes have a plurality  of  radially  spaced  mounting  apertures.   A universal mounting is provided for attaching the hub to a rotary shaft of most common makes of lawnmower for balanced rotational movement with the rotary shaft.   Blades are pivotally mounted for movement about a vertical axis on each of the at least two blade mounting lobes.  The blades are symmetrically mounted in one of the radially spaced mounting apertures  in each of the at least two blade mounting lobes.
Patent CA-2185972-A1 (CA)
Title: Self-filling storage device for card-type data carriers
Inventor: MILLER GERT
IPC: B65H3/44
Filed: 1996-09-19
Abstract: The present invention relates to a self-filling storage device for data carrier cards with at least one storage shaft and at least one roller for outputting or drawing in data carriers, wherein the storage shaft has at its input and output side a closing plate that has a cutout for at least one isolating roller that can be introduced into the storage shaft against a restoring force and acts either on the data carrier that is closest to the closing plate within the storage shaft, or on a data carrier that is to be drawn into the storage shaft; and in that a transport roller that works in conjunction with the outer side of the closing plate to move the data carriers that are passing the storage shaft is also provided.
Patent CA-2186222-A1 (CA)
Inventor: STRUIS RUUD DR
IPC: C07C31/04
Filed: 1995-04-04
Abstract: For converting substantially gaseous raw materials into at least one product which is substantially in a vapor phase and for increasing the yield of the reaction, the invention proposes shifting the equilibrium of the reaction in the direction of the product(s) by removing at least one product from the reaction mixture by membrane permeation. A typical example thereof is the synthesis of methanol which generally occurs according to the following equation: XCO2 + (1-X)CO + (2 + X)H2 <----> CH3OH + XH2O (1), in which X can have a value between 0 and 1. In this respect, the gaseous reagents are converted into methanol in the vapor phase and possibly water. The resultant products are removed by membrane permeation in order to shift the equilibrium of the reaction in the direction of the product(s).
Patent CA-2187123-A1 (CA)
Title: Mold made of porous concrete
Inventor: AITCIN PIERRE-CLAUDE
IPC: B29C51/30
Filed: 1996-10-04
Abstract: For  thermoforming  a  sheet  of  plastic material, a mold is made of porous concrete.   More specifically,  the mold comprises a body of porous concrete having a mold surface section and a second surface section.   An impervious wall made of high performance concrete is applied to the second surface section of the body of porous concrete for sealing this second surface section.  A duct is formed through the high performance concrete of the impervious wall and is connectable to a vacuum equipment for sucking air through the mold surface  section,  the porous concrete of the body and the duct in view of applying a heated sheet of plastic material to the mold surface section of the porous concrete body.  Preferably, the body of porous concrete comprises a core of concrete having a  higher porosity,  and an outer  layer of concrete having a lower porosity in view of providing a smoother mold surface section.
Patent CA-2188633-A1 (CA)
Title: Pourable fat-compositions
Inventor: OOSTEN CORNELIS WILLEM VAN
IPC: A23L27/10
Filed: 1996-10-23
Abstract: Pourable fat-compositions, provided with high levels (10-45 wt %) of herbs, spices, nuts and/or seeds having a good closed-shelf life are obtained, if the compositions have the following composition:    10-45 wt % herbs, spices, nuts or seeds 0-20 wt % cheese particles 1-10 wt % salt 50-89 wt % of fatblend, comprising (i) 90-99.8 wt % liquid oil (ii) 10-0.2 wt % hard fat, that can form crystal network 0.5-5 wt % of flavour-compositions
Patent CA-2188735-A1 (CA)
Title: Pressureless multilane combiner
Inventor: KLOTZ FRANK
IPC: B65G47/71
Filed: 1996-10-24
Abstract: Disclosed herein is an apparatus for pressureless division of a flow of objects from a conveyor system into multiple paths. The apparatus is ideally suited for use in conveying and combining streams of bottles. The apparatus generally is connected to a feed conveyor carrying a bulk flow of articles. The apparatus comprises a conveyor system which permits the division of bulk flow of bottles into discrete delivery channels. The apparatus is also provided with detectors to monitor and allow adjustment of the flow of bottles in each delivery channel.
Patent CA-2190955-A1 (CA)
Title: Apparatus for supervising an automatic call distribution telephone system
Inventor: CLARE WILLIAM K
IPC: H04M3/36
Filed: 1995-05-23
Abstract: An agent supervising system is used in a telephone call management and distribution system having a plurality of telephone stations assigned to a plurality of agents. The agent supervising system displays agent activites using distinctive color highlighting and text or icon depictions corresponding to agent identification, location and status information on a map representation and in a directory listing graphically represented on a display at the supervisor's station. The agent supervising system also interacts with an agent locating system for locating agents and displaying the agents on the map representation on the supervisor's display. The prediction of pending abandonment of queued calls and color alarms indicating such pending loss of calls are also provided and the potential financial impact of pending loss of calls are determined and displayed.
Patent CA-2191269-A1 (CA)
Title: Electrical incandescent lamps with low-beam (filament-blocking) screening and process for the production of such lamps as well as low-beam screening for an electrical incandescentlamp
Inventor: RITTNER ROLAND
IPC: H01K1/18
Filed: 1996-11-26
Abstract: The invention concerns an electrical incandescent lamp with a low-beam cap, particularly a two-filament halogen incandescent lamp and a production process for such a lamp, as well as a low-beam cap. Low-beam screening cap (12) has an opening (14), through which one end (6a) of low-beam filament (6) is threaded. This filament end (6a) is welded to the back side of low-beam screening cap (12) or to a current lead wire (8a), which is attached by a projection welding to the back side of low-beam screening cap (12). The fastening of low-beam filament (6) according to the invention makes possible materials savings in the case of a low-beam screening cap (12) and a more lower cost lamp manufacture.
Patent CA-2193653-A1 (CA)
Title: Self-scavenging, hybrid lubrication subsystem
Inventor: KISH JULES G
IPC: F16H57/04
Filed: 1995-05-30
Abstract: A self-scavenging, hybrid lubrication subsystem for a main transmission gearbox includes a sump that is fabricated as an integral structural extension of the gearbox so that the dynamic fluid level of the lubricating medium in the sump is a predetermined distance above the bottom (18) of the gearbox. The radial discontinuity between the cylindrical (22) and throat segments (26) in combination define a nozzle inlet (28) that is operative to direct outflow of the lubricating medium collected in the bottom of the gearbox to another sump with higher fluid level by means of a nozzle (60). The interaction between the peripheral surface of the rotating annular planetary carrier plate and the structurally-modified side wall of the gearbox exerts a viscous pumping action on the lubricating medium in the flow channels causing the lubricating medium to flow therethrough and being transported through the nozzle (60) to a higher level.
Patent CA-2194414-A1 (CA)
Inventor: BERTONI AMILCARE
IPC: C07C45/85
Filed: 1997-01-06
Abstract: New process for the synthesis of the antiinflammatory drug known as nabumetone that consists in reacting 2-acetyl-5-bromo-6-methoxynaphthalene with an alkyl acetate in presence of an alkaline alcoholate to get4-(5-bromo-6-methoxy-2-naphthyl)-4-hydroxybut-3-en-2-one that by catalytic hydrogenation in a polar solvent and in presence of a base gives 4-(6-methoxy-2-naphthyl)butan-2-one known as nabumetone.
Patent CA-2195280-A1 (CA)
Inventor: ANTOON MITCHELL K JR
IPC: A61M25/00
Filed: 1997-01-16
Abstract: A trocar containing a universal seal for sealing against surgical instruments ofvarying diameter to maintain insufflation in the body cavity is disclosed.  The universal seal has an elastomeric sealing component with a centrally located interior region containing an aperture, and a concentrically located sealing region.  The sealing region is composed of an integral laminate having an overlaying layer co-molded with an underlying layer.  The overlaying layer has a hardness between about 40 Shore A Durometer Scale and about 80 Shore D Durometer Scale.  The underlying layer has a hardness between about 5 Shore A Durometer Scale and about 40 Shore A Durometer Scale.  The co-molded laminate balances the properties of tear resistance and elasticity which are necessary for a working universal seal, and does so without the need for resilient legs or protectors to facilitate the opening of the aperture of the seal or to prevent tearing when instruments are inserted.