baber/WOPTO huggingface dataset:
Patent CA-2249757-A1 (CA)
Inventor: PETTENGILL DAVID E JR
IPC: G05G5/00
Filed: 1998-10-07
Abstract: A rod lock 76 is disclosed for preventing axial movement of a rod 72 in a first direction, while permitting axial movement of the rod 72 in the opposite direction. The rod lock 76 includes a pair of opposed, generally wedge-shaped jaws 210 disposed on either side of the rod 72. The jaws 210 are movable by a spring loadtoward a pair of fixed wedges 216. The jaws 210 are in sliding contact with the fixed wedges 216 so that when the spring load forces the jaws 210 toward the fixed wedges 216, the jaws 210 are forced inward into a gripping engagement with the rod 72. In this position, the gripping engagement of the jaws 210 prevents axial movement of the rod 72 toward the fixed wedges while axial movement of the rod in the opposite direction is possible by overcoming the spring load.
Patent CA-2250874-A1 (CA)
Title: Use of 7 alpha-substituted steroids to treat neuropsychiatric, immune or endocrine disorders
Inventor: LATHE RICHARD
IPC: A61P21/00
Filed: 1997-04-04
Abstract: Use is provided for a 7.alpha.-hydroxy or 7-oxo substituted 3.beta.-hydroxy-steroid possessing the carbon skeleton of cholesterol, androsterone, pregnenolone or estradiol, or an analogue thereof substituted independently at one or both of the 7- and 3-positions with an ester or ether group, in the manufacture of a pharmaceutical composition for the therapy of neuropsychiatric, immune and/or endocrine disorders or for inducing cognitive enhancement. Uses for Cyp7b enzymes in producing such steroids is also provided together with various novel steroids and test kits and methods for diagnosing the disorders.
Patent CA-2252572-A1 (CA)
Title: Shock-absorbing tool handle
Inventor: JACOBS PAUL J
IPC: B25G1/01
Filed: 1997-04-16
Abstract: A shock-absorbing telescoping tool handle (2) is disclosed having tubular, larger diameter proximal and a smaller diameter distal portions (4, 6). An internal spring ( 14) between the handle portion is compressed when the handle portions telescope toward each other.      Guide mechanism (26, 28) in the handle portions limits the extent of sliding motion between the handle portions and prevents relative rotation of the handle portions. One or more wipers (40) in the handle portion wipes away any snow, water or debris on the distal portion which could potentially enter the spring area.
Patent CA-2253357-A1 (CA)
Title: Cleaning articles treated with a high internal phase inverse emulsion
Inventor: TROKHAN PAUL DENNIS
IPC: A61K8/97
Filed: 1997-04-25
Abstract: The invention relates to articles useful in cleansing, and particularly to wet-like cleansing wipes that are especially useful for hardsurface cleaning, and in personal cleansing such as baby wipes and particularly for removal of perianal soils. These articles comprise: a carrier and an emulsion applied to the carrier. The emulsion comprises: (1) from about 2 to about 60 % of a continuous solidified lipid phase comprising a waxy lipid material having a melting point of about 30 °C of higher; (2) from about 39 to about 97 % of an internal polar (e.g., water) phase dispersed in the lipid phase; (3) an effective amount of a non-silicon containing emulsifier, where the emulsifier has a viscosity at 55 °C of more than about 500 centipoise; and (4) an optional second emulsifier having a viscosity at 55 °C of less than about 400 centipoise. Because the emulsion comprises the waxy external phase, the internal polar phase is retained in the emulsion until in-use shear pressures break the emulsion, thereby providing desired moisture for cleaning. The invention also relates to a process for making the cleaning articles.
Patent CA-2259160-A1 (CA)
Title: Pesticidal compositions
Inventor: VOGT MANFRED
IPC: A01N37/46
Filed: 1997-06-19
Abstract: A liquid pesticidal composition, which is substantially free of water, comprising a hydrophobic pesticide or mixture of pesticides dissolved in an organic solvent and comprising as surfactants (1) a butanole-ethoxylate/propoxylate-blockcopolymer having 12-30 mol ethoxylate and 16-48 mol propoxylate, in combination with (2) a branched C8-C18 alcohol ethoxylate having 5-10 mol ethoxylate, and/or (3) a tristyrenephenol-ethoxylate having 8-30 mol ethoxylate, or its phosphate or salt thereof. The compositions include also gels having a viscosity of 500 to 20'000 mPas and comprising additionally a gelling agent.
Patent CA-2261999-A1 (CA)
Title: Invertase inhibitor
Inventor: RAUSCH THOMAS
IPC: C12N5/10
Filed: 1997-07-30
Abstract: This invention relates to a nucleic acid that contains at least one nucleic acid sequence coding for a polypeptide, said polypeptide being capable of reducing the enzymatic activity of an invertase; the polypeptide itself; and transgenic plants that contain this nucleic acid sequence. The invention further relates to methods of preparing such transgenic plants having reduced storage sucrose loss.
Patent CA-2262849-A1 (CA)
Title: Improved sealing system for rotating component of a pump
Inventor: HRISTOV VEJEN
IPC: F04C2/16
Filed: 1999-02-23
Abstract: The invention relates to a fluid-conveying machine, in particular, a pump having a component rotating in a stationary housing part inside an annular gap.      The stationary housing part separates an interior having a higher product pressure from an exterior having a lower pressure. A rotating component is mounted in an external bearing which is sealed with respect to the interior via a sealing system. In order to improve the sealing, the invention provides that the annular gap is formed between two sliding bearing shells which comprise extremely hard, wear-resistant materials and, in accordance with the operating principle of a radial sliding bearing, form a first pressure-reducing stage. A feedback device, which feeds back the leakage from this first sealing stage into the conveying process of the machine, is connected downstream of the first pressure-reducing stage. A second sealing stage is arranged axially downstream of the feedback device. The second sealing stage may be constructed as a simple seal, such as a lip seal and/or a simple end face seal.
Patent CA-2263242-A1 (CA)
Title: Airway vent
Inventor: WEBB WALTER L
IPC: F24F13/065
Filed: 1999-03-01
Abstract: The present invention is a heating and cooling airway vent (12) that provides improved airflow directional control and is easier to manufacture, assemble, and install in building airway systems. The airway vent (12) includes a housing (14) having a number of fixed louvers (16) as well as a plurality of rotatable circular openings (18) in which circular inserts (20) are rotatably mounted. The circular inserts include curved louvers (22) that are angled with respect to the vertical and that are curved slightly outward. The circular inserts (20) can be rotated to direct their louvers (22), and hence the issuing air, in any desired direction. The circular inserts (20) are snap-locked into the housings (14). The vent (12) includes one or more dampers (26) operated by a damper switch (28). The damper switch (28) is connected to the housing using a guide slot (46) having ridges (48) that aid a user in keeping the damper switch (28) in a particular position. The vent housing (14), the circular inserts (20), and dampers (26) are all injection molded of a suitably rigid plastic.
Patent CA-2263553-A1 (CA)
Inventor: PIRKL RICHARD
IPC: H02N2/06
Filed: 1997-07-22
Abstract: This invention concerns a device for controlling at least one actuator component containing two capacitors C1 + C2. Both capacitors C1 + C2, which are switched in series, are charged at output voltage USNT of the voltage source SNT. An actuator is charged at voltage UC1+C2 = 2*USNT by capacitors C1 + C2 which are switched in series and is subsequently discharged into the discharge capacitors, which again are switched in parallel and are subsequently recharged at the output voltage USNT of the voltage source SNT, etc.
Patent CA-2265985-A1 (CA)
Inventor: ARNOLD HAMILTON WEBSTER
IPC: H04L12/56
Filed: 1997-06-13
Abstract: Disclosed is a system and method for providing wireless access to a network (10), such as the Internet. The disclosed technique takes into account the inherent asymmetric and bursty characteristics of Internet communication to obtain more efficiency in the communication between a user (2) and an access provider. In doing so, the invention provides a technique that can be used to economically provide wireless access to the Internet at data rates that are comparable to what a user would receive over ISDN lines.
Patent CA-2267276-A1 (CA)
Title: Polysiloxane-containing polyurethane elastomeric compositions
Inventor: MEIJS GORDON FRANCIS
IPC: A61L27/18
Filed: 1997-09-19
Abstract: The present invention relates to a material having improved mechanical properties, clarity, processability and/or degradation resistance comprising a polyurethane elastomeric composition which includes a soft segment derived from at least one polysiloxane macrodiol and at least one polyether and/or polycarbonate macrodiol. This material can function as a degradation resistant material or biomaterial and is particularly useful in the manufacture of medical devices, articles or implants which contact living tissues or bodily fluids. The present invention also provides a polyurethane elastomeric composition which includes a soft segment derived from about 60 to about 98 wt.% of at least one polysiloxane macrodiol and about 2 to about 40 wt.% of at least one polyether and/or polycarbonate macrodiol and processes for its preparation.
Patent CA-2268483-A1 (CA)
Title: Electrode array system for measuring electrophysiological signals
Inventor: DEVLIN PHILIP H
IPC: A61B5/296
Filed: 1997-10-10
Abstract: An array of electrodes is constructed to allow the user to easily adjust to the correct size of the patient's head. The array is self-adhesive, pre-gelled and disposable. The array fits easily over the temple and forehead areas where EEG signals can be acquired by specially designed monitors for purposes of monitoring a number of bodily phenomena, including but not limited to, depth of anesthesia, and/or ischemia, and burst suppression. The array is connected to the monitor via a tab connector that is integral to the disposable device. The tab connector is insertible into a reusable connector that is part of a monitoring system.
Patent CA-2273133-A1 (CA)
Title: Flotation separation of valuable minerals
Inventor: CLARK DAVID WILLIAM
IPC: B03D1/02
Filed: 1999-05-27
Abstract: A process for separating minerals of different mineralogical character. A  milled slurry or flotation concentrate is subjected to a first conditioning step (20) followed by a first flotation step (30) followed by a second conditioning step (50) followed by a second flotation step (40). One of the conditioning steps is with an oxidising gas, the other of the conditioning steps being with a non-oxidising gas and an oxidisable surface modifying reagent. The process allows separation of mixtures of valuable minerals by tailoring both the first and second conditioning steps and first and second flotation steps to particular mixed mineral ores.
Patent CA-2273520-A1 (CA)
Title: Shaped ice article and article for making same
Inventor: MOORE PAMELA R
IPC: F25D3/10
Filed: 1999-06-02
Abstract: An article for forming a freezable substance includes a body having at least one cavity. The cavity has an open top, an open bottom and side walls therebetween. The top has a maximum width Wm, with Wm being less than or equal to 0.875 inches (22.23 mm). The width Wm is chosen so that a long, cylindrical ice cube is formed by the cavity. The ice cube so formed fits easily into original containers of beverages, such as soda cans and bottles, so that the beverages are cooled in their original containers.
Patent CA-2273931-A1 (CA)
Title: A high efficiency dual shell stirling engine
Inventor: BLIESNER WAYNE THOMAS
IPC: H01M6/20
Filed: 1997-12-02
Abstract: An improved high-efficiency dual shell Stirling engine is disclosed. The improvements to the engine include: (a) enclosing the high-pressure/high-temperature engine parts within a dual shell (24, 34) filled with an incompressible insulating material (33) such as a liquid salt to increase the operating temperature and pressure; (b) increasing the regenerator efficiency by using an annular graphite regenerator (6) comprising a carbon matrix with increased heat transfer in a direction perpendicular to the working fluid flow; (c) maximizing throttle (28) efficiency by automatically sealing off the dead volume region during a power stroke via a series of controlled ports (40, 41) located around the cylinder (20) and power piston (10); and, (d) limiting working fluid loss by surrounding an inner chamber (15) containing working fluid with an air-filled outer chamber (16) which also encloses the output shaft (29) to minimize the pressure differential across the air seal (31).
Patent CA-2274239-A1 (CA)
Title: Concrete masonry reinforcement
Inventor: HATZINKOLAS MICHAEL
IPC: E04B2/20
Filed: 1999-06-10
Abstract: In a partially grouted concrete masonry wall, the bed joint reinforcement is provided by a set of rings spaced along the mortar between two adjacent courses of blocks and wire strands on opposite sides of the rings. Each of the grouted cells of the wall is surrounded by reinforcing rings embedded in the mortar. The rings support the columns of grouting in the wall and more effectively transfer loads to the bed joint reinforcement than does conventional truss or ladder style bed joint reinforcement. Between courses where bed joint reinforcement is not used, independent rings may be employed to support the grouting columns.
Patent CA-2277685-A1 (CA)
Inventor: ORSAT PIERRE
IPC: E21D11/08
Filed: 1999-07-08
Abstract: Procédé de réalisation d'une voûte dans lequel on met en appui au moins deux demi-coquilles (1-8; 60) l'une sur l'autre par l'intermédiaire d'au moins deux pièces d'appui (30, 50; 70) que l'on apparie et, chaque demi-coquille (1-8; 60) comprenant un bord supérieur (21; 61) et un becquet de fond (22), on fixe chaque pièce d'appui (30, 50; 70) sur une demi-coquille (1-8; 60) de façon amovible, on met en appui provisoire les deux demi-coquilles (1-8; 60) par leur pièce d'appui (30, 50; 70) sans mettre en appui leurs becquets de fond (22), on coule un matériau de clavage entre lesdits bords supérieurs (21; 61), sur le fond (14) constitué des becquets (22), pour assurer une solidarisation transversale de continuité des demi-coquilles (1-8; 60), puis, pour procéder à un transfert d'efforts des pièces d'appui (30, 50; 70) sur les demi-coquilles (1-8; 60), on retire les pièces d'appui (30, 50; 70).
Patent CA-2278319-A1 (CA)
Inventor: LU WEIDONG
IPC: G02C7/10
Filed: 1999-07-20
Abstract: The chromatic vision correction resin glasses with reduced concave reflection is manufactured according to the following steps. First, the resin eyeglass is dyed chemically to meet the requirements of 4 sorts (21 kinds) of chromatogram correction curves. Second, the convex of resin eyeglass is coated in a vacuum environment with a Cr film, the thickness of which should be controlled to make the light permeability of the dyed resin eyeglass decrease about 10% to lower the reflection of its concave. Third, in order to reduce concave reflection further, it is practicable to coat the concave with permeance promotion film by evaporation. This technique can eliminate the visual disturbance of eyes' imagine which occurs in the surrounding of intensive light. As a result, the effect of chromatic vision correction is improved. Meanwhile, it also can diminish the production cost, increase productivity, so that it not only achieves the aim of chromatic vision correction, but also has the effect of eyes' protection.
Patent CA-2282905-A1 (CA)
Title: Fumarate copolymers and acylated alkanolamines as low temperature flow improvers
Inventor: MANKA JOHN S
IPC: C10L1/22
Filed: 1999-09-17
Abstract: The low temperature flow properties of wax-containing liquids are improved by adding a composition comprising (i) a polymer of a C8-20 alkyl ester of an ethyleneically unsaturated 1,2-diacid, and (ii) the reaction product of an alkanolamine with a C8-50 hydrocarbyl-substituted acylating agent.
Patent CA-2286295-A1 (CA)
Inventor: MEYNCKENS JEAN-PIERRE
IPC: B05B7/20
Filed: 1998-04-02
Abstract: Lance apparatus employed for either heating purposes or for ceramic welding purposes, such as applying a heating flame to a surface followed by spraying sand or like solid particulate material in a combustion-supporting carrier gas to the surface, comprises a single tubular lance having a tip end and a butt end and having a head portion (10+20) with a central main bore at the tip end, whereby ceramic welding materials comprising particulate material containing oxidisable particles and combustion-supporting carrier gas are introduced at the butt end, pass through the main bore (13+23) and emerge at the tip, characterised in that the head portion further comprises at least one conduit (28) to convey a mixture of a fuel gas and a combustion-supporting gas, each such conduit (28) having an orifice (29) at the tip of lance and being provided with a portion (28a) for the introduction of fuel gas and a portion (28b) for the introduction of combustion-supporting gas, whereby fuel gas and combustion-supporting gas introduced at the butt end combine in the conduit (28) and emerge to form a flame at the tip end of the or each conduit. The lance permits the application to the surface of an intense high pressure flame, immediately followed by the ceramic welding activity.
Patent CA-2286616-A1 (CA)
Title: Implant system
Inventor: HANSSON STIG
IPC: A61C8/00
Filed: 1998-04-21
Abstract: A fixture (301) of a dental implant system for implantation in bone tissue (312, 314) of the maxilla or mandible by displacement thereof in a forward direction for supporting a superstructure such as an abutment, the fixture having a forward end, a rearward end (330) which presents an interfacing surface (350) for interfacing with an interfacing surface of the superstructure and an outer surface (305) which forwardly of a predetermined position (307) on the outer surface is adapted for interlocking with bone tissue of the maxilla or mandible. The interfacing surface of the fixture is structurally isolated from the fixture outer surface to a level which is both forwardly of the interfacing surface and the predetermined position on the fixture outer surface.
Patent CA-2288058-A1 (CA)
Inventor: SANCHEZ-MARTINEZ DEMETRIO
IPC: C12Q1/56
Filed: 1998-04-22
Abstract: On décrit des réactifs liquides et lyophilisés permettant de déterminer le temps de prothrombine et/ou le taux de fibrinogène dans un échantillon de plasma. Les réactifs sont de préférence à base d'un facteur tissulaire recombiné de lapin. On décrit également une préparation purifiée de facteur tissulaire recombiné de lapin présentant des propriétés uniques, ainsi qu'un nouveau procédé de préparation de réactifs servant à la détermination du temps de prothrombine.
Patent CA-2288420-A1 (CA)
Title: Gas incinerator
Inventor: MOTYKA DANIEL R
IPC: F23G7/08
Filed: 1999-11-03
Abstract: There is provided a gas incinerator having a combustion chamber above a lower chamber and communicating therewith. Combustion air flows into the lower chamber, thence upwardly toward the combustion chamber. Vanes are provided in the lower chamber, to impart a rotational movement to the air as it rises toward the combustion chamber. Nozzles are located toward the bottom of the combustion chamber for injecting the fuel, in the form of gas, into the combustion chamber so as to cause the injected gas to rotate oppositely to the air rotation, in order to provide substantial turbulence and mixing. The injection direction of the gas also lies substantially parallel with a hypothetical plane transverse to the axis of the cyclonic movement of air, thus avoiding an axial component in the injection direction of the gas, and therefore minimizing the expulsion of gas, air and combustion products from the combustion chamber.
Patent CA-2294216-A1 (CA)
Inventor: FULTON FORREST F
IPC: H04B1/7085
Filed: 1998-06-19
Abstract: Cette invention se rapporte à un récepteur (Fig. 6) conçu pour un système de transmission à étalement du spectre, qui comprend les composants suivants: un système d'acquisition conçu pour détecter un signal émis à spectre étalé par corrélation simultanée de multiples phases de recherche d'un signal d'étalement de référence avec une sortie d'un canal récepteur; un système de démodulation (Fig. 8A-B) conçu pour extraire les données intégrées au signal à spectre étalé par corrélation simultanée du signal à spectre étalé avec de multiples phases de données possibles du signal d'étalement de référence, sur des périodes de données consécutives; et une batterie de dispositifs de corrélation conçus pour être utilisés à la fois dans le système d'acquisition et dans le système de démodulation.
Patent CA-2294272-A1 (CA)
Title: Method for using coal fines in a melt-down gasifier
Inventor: SCHREY GUENTER
IPC: C21B13/14
Filed: 1998-07-03
Abstract: In a method for the production of liquid metal, in particular liquid pig iron (9) or liquid steel pre-products, from metal carriers, in particular partially reduced or reduced sponge iron (3), in a melter gasifier (1) in which with supply of a carbon-containing material at least partially formed of fine coal (16) and coal dust (13) and with supply of oxygen or oxygen-containing gas the metal carriers are melted in a bed (4) of the carbon-containing material at the simultaneous formation of a reducing gas, optionally upon previous final reduction, fine coal (16) and coal dust (13) which are being charged, are mixed with bitumen (20) in the hot state, after undergoing a drying operation, and subsequently are cold-briquetted, and the briquettes (25) thus formed are charged to the melter gasifier (1) in the cold state and in the melter gasifier (1) are subjected to shock-heating.
Patent CA-2294799-A1 (CA)
Title: Apparatus for the stretching and tensioning of a weft thread and loom with such an apparatus
Inventor: SPEICH FRANCISCO
IPC: D03D47/30
Filed: 1998-05-27
Abstract: The inventive. device comprises a nozzle holder (5) with a channel (8) for receiving a weft yam, and a nozzle (6) with holes (14) for stretching and tensing the weft yarn. The nozzle (5) is mounted on the holder in such a way that the nozzle can be adjusted in relation to the direction of the weft in particular so that it can be pivoted or displaced. The device is charactetized in that it facilitates optimum adjustment of intersecting air jets and guarantees a deflection of the weft yarn (9) independently of the yarn type.      Furthermore, it ensures that the weft yarn is held taut.
Patent CA-2295275-A1 (CA)
Title: Separator for fuel battery and method of producing the same
Inventor: SHIRAISHI MITSUOKI
IPC: B29C45/14
Filed: 2000-01-10
Abstract: A separator for a fuel battery comprising a conductive collector portion and a manifold portion. The collector portion is electrically conductive and includes channels for flowing reactive gas through the channels. The manifold portion includes gas introduction holes connected to the channels of the collector portion, and surrounds a circumferential edge portion of the collector portion to be integrated with the collector portion. The collector portion contains a resin binder, and the manifold portion contains a composition different from that of the collector portion.