baber/WOPTO huggingface dataset:
Patent CA-2264405-A1 (CA)
Inventor: MAREINISS DAVID J
IPC: D21G1/00
Filed: 1999-03-04
Abstract: A gloss control system for especially for use on a super calender roll system uses controllable jets of heated air arranged along the segment of a calender roll not in contact with a paper web to both control the overall gloss level and equalize the expansion and contraction of the roll which would otherwise be affected by the heat sink effect of the paper on the contacted portion of the roll causing an hour-glass effect. The air jet units utilize electrical heating elements and are actually arranged along, for example, 1-1/2 inch zones of the paper to provide for a differential profile control with relatively cold air on the uncovered ends of the calender roll to compensate for contraction of the center portion of the roll.
Patent CA-2264503-A1 (CA)
Title: Soupape a flotteur
Inventor: NORTH ALAN DAVID
IPC: F16K31/34
Filed: 1997-09-04
Abstract: La présente invention a pour objet un appareil à une seule soupape (200) servant à contrôler le remplissage et le vidage des fluides contenus dans une cuve de stockage de fluides. Cet appareil comprend une soupape de déchargement (212) qui commande le déchargement du fluide provenant de ladite cuve, une soupape de remplissage (254) portée par ou sur ladite soupape de déchargement et commandant le remplissage de ladite cuve et un flotteur (282) porté par ou sur la soupape de déchargement ou la soupape de remplissage et servant à détecter le niveau du fluide contenu dans ladite cuve. Chaque soupape possède sa propre chambre contenant chacune un élément doté d'un premier côté et d'un deuxième, chacun de ces côtés étant exposé, en cours d'utilisation, à un fluide pressurisé. Chacun de ces éléments peut être déplacé indépendamment pour permettre l'ouverture desdites soupapes respectives (212, 254). le fluide pressurisé agissant sur le deuxième côté dudit élément lorsque celui qui agit sur le premier côté est libéré.
Patent CA-2264566-A1 (CA)
Title: Method for simultaneous control of multiple accumulators
Inventor: REBER DEAN H
IPC: B29C48/48
Filed: 1997-08-22
Abstract: A method for cascade, closed loop control of multiple operating parameters for an extrusion blow molding machine having multiple accumulators is disclosed. The method provides closed loop control of the ram back pressure during refill, along with the closed loop adjustment of the pressure set points for "slave" accumulators based on a comparison of ram positions with that of a "master" accumulator. For systems that supply each accumulator with a separate extruder, the rotational speed of the extruder screw is the controlled operating parameter during refill. With respect to extrusion of the parisons, there is closed loop control of the ram velocity in conjunction with adjustment of the velocity set points for the slave accumulators based on a comparison of ram positions with that of the master accumulator.
Patent CA-2269732-A1 (CA)
Title: Method for timber harvesting and system for forestry
Inventor: SOERVIK BENGT
IPC: G06Q50/00
Filed: 1997-10-23
Abstract: A method and a system for forestry, in particular harvesting by means of a harvesting machine comprising a vehicle and a harvesting arrangement mounted thereon, is based on the fact that at least one position determining device (5) capable of determining the positioning of the harvesting machine by means of external wirelessly receivable signals is arranged on the harvesting machine (1). A marking device adapted to apply a marking on pieces of timber obtained from trees is arranged on the harvesting machine. A control unit (8), suitably a computer, is arranged on the harvesting machine to control the marking device to mark the piece of timber with position information by means of position information received from the position determining device (5).
Patent CA-2269789-A1 (CA)
Title: Device for extraction of fishbones
Inventor: KOLJONEN KARI
IPC: A22C25/16
Filed: 1997-10-28
Abstract: A device for extraction of bones (2) from fish (3) by means of a number of pivotal gripping means (4) which are moving influenced to be driven along a course for controlled pressing of fishbones (2) against a counterstay (7). Said gripping means (4) are influenced to be guided by a guide in the shape of a channel (9) to co-operate with the counterstay (7) for achieving the desired pressing force between the gripping means (4) and the counterstay (7).
Patent CA-2281366-A1 (CA)
Inventor: NEMOTO HIROSHI
IPC: H01M10/36
Filed: 1999-09-03
Abstract: A lithium secondary battery for use in electric vehicle, includes: a battery case, and an electricity-generating body including a positive electrode, a negative electrode, and a separator, the positive and the negative electrode being wound or laminated via the separator so that the positive electrode and negative electrode are not brought into direct contact with each other. Each single battery has a ratio (X/E) of battery output X (W) and battery energy E (Wh), of 2 to 36 or a product (RxE) of battery internal resistance R (m .OMEGA.) and battery energy E (Wh), of 50 to 900 (m .OMEGA.  Wh). The lithium secondary battery is used in an electric vehicle as combined batteries formed by connecting a required number of the single batteries in series. The lithium secondary battery is designed so as to have a particular ratio of battery output and battery energy or a particular product of battery internal resistance and battery energy and thereby is capable of exhibiting performances necessary for electric vehicle, such as acceleration and the like when used as combined batteries obtained by connecting a required number of single batteries in series.
Patent CA-2281884-A1 (CA)
Title: Jaw assembly
Inventor: BUCK DAVID A
IPC: E21B19/16
Filed: 1998-02-24
Abstract: The present invention provides a jaw assembly (1) and die insert (3) for use in conventional power tongs (30), back-up tongs (34), and similar tools. The die insert (3) has a rear surface (20) having a plurality of splines (4) extending outwardly from the rear surface (20) and forming a plurality of grooves (5) between the splines (4). The die (3) also has a front surface adapted to grip a tubular member (60) and a keyway (7) formed on the rear surface (20). A mating jaw member (2) is provided which also has a front face (18) of splines (13) and grooves (14) with a keyway (16) which aligns with the die's keyway (7) when the die (3) is inserted into the jaw (2). A key (11) is inserted into this combined keyway to prevent vertical forces from drawing the die (3) out of the jaw member (2).
Patent CA-2282392-A1 (CA)
Title: Symbology scanning system for efficiently locating coded symbologies
Inventor: HECHT KURT
IPC: G06K7/14
Filed: 1998-03-05
Abstract: A scanner for optically scanning coded symbologies including a signal processing unit for pre-processing the scanned symbology information and a hardware symbology locating unit. An analog signal related to the reflectivity of the different portions of the coded symbology is obtained and is converted to digital gray-scale. The portion of the analog signal which corresponds to the substrate reflectance (absolute contrast) is removed, and the available dynamic range of the analog to digital converter is used only for the information-bearing portion of the signal (relative contrast). Since all of the decodable information is ultimately encoded in binary form, the information-bearing portion of the signal is retained. The hardware symbology locating unit includes a plurality of shift registers, each of which derives a value from an input seed which is based upon the width of a detected coded symbology element. The value of a subsequent input seed is compared to the values generated from a prior input seed. Based upon this comparison, the unit determines whether the size of a subsequent symbology element is a ratio match of a prior symbology element. The presence of a potential coded symbology candidate is likely when a plurality of ratio matches are detected.
Patent CA-2282979-A1 (CA)
Inventor: WU XIAO CHENG
IPC: H04Q7/38
Filed: 1999-09-22
Abstract: Disclosed is a method for significantly reducing the amount of collisions of access messages on reverse link Random Access Channels (RACH) by multiple mobile-stations attempting to gain system access concurrently, thereby greatly improving access performance in wireless communications system using existing multiple access schemes. The improvement is achieved by transmitting a probe message instead of an access message over the RACH, wherein the probe message is shorter in length than the access message. Transmission of the probe messages utilizes less of the RACH than the longer access messages, thereby reducing the chance of collisions with other probe messages. The access message is subsequently sent on a traffic channel or a control channel designated by a base station receiving the probe message. Alternately, a data burst is transmitted over the designated traffic channel or control channel.
Patent CA-2284522-A1 (CA)
Inventor: DEROSA RICHARD D
IPC: B08B1/02
Filed: 1998-03-13
Abstract: A continuous web cleaner (10) having two elongated manifolds (12), each having an elongated row of brushes (14) attached to either side of the manifold with both manifolds being physically orientated so that they face each other. The manifolds are offset from one another so that a continuous paper web can pass in between and through the two elongated manifolds. Each manifold is coupled to an exhauster (84) outside or inside the room which creates a vacuum to remove paper dust, chad and other contaminants from the paper web itself and any contaminants collected by the elongated rows of brushes. Static electrical charges are removed from both sides of the continuous paper web by elongated static eliminator bars (20, 22) mounted at the input and output of the apparatus, both below and above the paper web.
Patent CA-2285596-A1 (CA)
Title: A spray boom and a method of spraying
Inventor: PATCHETT RAYMOND
IPC: B05B15/02
Filed: 1998-04-09
Abstract: A spray boom (1) is provided in which the spray boom (1) comprises one or more outlet nozzles (4) and one or more actuator means (9) each of which drives at least one outlet nozzle clearing means (10). The spray boom provides for the accurate dispensing of solutions or suspensions, preferably from a fixed wing aircraft for the aerial top-dressing of agricultural, horticultural and aquacultural areas.
Patent CA-2286622-A1 (CA)
Inventor: TANAKA MAKOTO
IPC: A63F13/92
Filed: 1999-02-16
Abstract: A portable electronic device comprising a program memory (41a) stored with a program, control means (41) for controlling the execution of the program, and wireless communication means for at least transmitting or receiving data to or from another device, wherein information accompanying the execution of the program by the parent machine is transferred, and the data based on the transferred information is transmitted through the wireless communication means.
Patent CA-2289017-A1 (CA)
Title: The use of a nitroxide or a prodrug thereof in the prophylactic and therapeutic treatment of cancer
Inventor: CHERUKURI MURALI KRISHNA
IPC: C07D211/94
Filed: 1998-05-27
Abstract: The present invention provides a method for the prophylactic and therapeutic treatment of cancer. The method comprises administering to an animal, preferably a mammal, more preferably a human, at risk for developing a cancer or having a cancer a nitroxide or a prodrug thereof, wherein the nitroxide or prodrug thereof preferably is alicyclic or heterocyclic and more preferably is a compound of Formula (I) or Formula (II): in an amount sufficient to prevent or treat said cancer, wherein said cancer is susceptible to prevention or treatment by said nitroxide or prodrug thereof. Also provided is a composition for use in the method.
Patent CA-2289344-A1 (CA)
Title: Optimal complementary punctured convolutional codes
Inventor: SUNDBERG CARL-ERIK WILHELM
IPC: H03M13/41
Filed: 1999-11-10
Abstract: The invention provides optimal complementary punctured convolutional codes for coding information bits in a communication system. In an illustrative embodiment, an optimal pair of complementary punctured codes is selected from a set of potential code pairs. The set of potential code pairs includes all non-catastrophic complementary punctured code pairs which combine to produce to a specified full-bandwidth code, and thus includes both equivalent and non-equivalent complementary codes. The optimal code pair may be selected, for example, as the pair of equivalent or non-equivalent codes which has the best free Hamming distance and minimum information error weight of all the pairs in the set. In addition, the invention provides both rate-compatible and rate-incompatible codes suitable for use in providing unequal error protection (UEP) for different classes of information bits. The invention further provides optimal bit assignment techniques for use in digital audio broadcasting or other applications in which digital information is transmitted on subcarriers in both an upper and a lower sideband of an analog carrier.
Patent CA-2290146-A1 (CA)
Title: Ensemble tuyere/porte-tuyere pour torche a plasma
Inventor: MARHIC GERARD
IPC: H05H1/34
Filed: 1999-11-22
Abstract: Ensemble mâle/femelle pour torche à plasma comprenant: une -tuyère (1) formant 1a partie mâle, un porte-tuyère (2) formant la partie femelle pour recevoir ladite tuyère (1), caractérisé en ce que la tuyère (1) comprend, sur sa périphérie externe, au moins une rampe hélicoïdale (14) et au moins un évidement (15) se poursuivant sur toute la longueur axiale (L) de la rampe, et en ce que le porte-tuyère (2) comprend, sur sa surface périphérique interne, au moins un bossage (21) susceptible de coopérer avec au moins une rampe hélicoïdale (14) de la tuyère (1), de manière à pouvoir assurer un maintien en position de la tuyère (1) dans le porte-tuyère (2).
Patent CA-2290775-A1 (CA)
Title: Use of anti-inflammatory steroids for the treatment of chronic inflammatory intestinal diseases
Inventor: MEIJERINK JOHANNES HENDRIEKUS
IPC: C07J9/00
Filed: 1998-06-02
Abstract: The invention relates to the use of inflammatory compounds having general formula (I) wherein X is a member of the group consisting of H and halogen; Y  is a member of the group consisting of H2, H(OH), H(O(C1-6)Acyl) and O; R1 is a member of the group consisting of H, CH3 and halogen; R2 is (C1-4)Alkyl; R3 is a member of the group consisting of H, O((C1-6)Acyl), O((C1-6)Alkyl) and CH3; R4 is a member of the group consisting of H and (C1-4)Alkyl, and C1-C2 and C6-C7 are saturated or unsaturated bonds, for the manufacture of a medicament for chronic inflammatory colon diseases.
Patent CA-2293924-A1 (CA)
Title: Fet balun transformer
Inventor: ITO JUNJI
IPC: H03F3/45
Filed: 1999-12-31
Abstract: An inventive FET balun transformer uses a positive power supply alone, not a negative one, thus downsizing a device including the balun transformer. In the FET balun transformer, a voltage supplied from the positive power supply is divided by a voltage divider consisting of a pair of resistors.      The gate of a first FET is biased at a positive voltage, which is obtained by getting the divided supply voltage further divided by a first resistor. The gate of a second FET is grounded with an AC grounded capacitor interposed therebetween and biased at a positive voltage, which is obtained by getting the divided supply voltage further divided by a second resistor. Thus, the gate and source of a third FET do not have to be set at a negative potential, but may be grounded directly and via a biasing resistor, respectively.      As a result, no negative power supply is needed for the third FET and the single-ended signal received at the input terminal can be converted into differential signals, which will be output through output terminals, while using the positive power supply alone.
Patent CA-2294890-A1 (CA)
Title: Refractory liquid and method of manufacturing the same, and refractory material, refractory building material and refractory adhesive each manufactured from the refractory liquid
Inventor: ISHIKAWA KAZUO
IPC: C04B28/00
Filed: 1998-04-27
Abstract: A refractory liquid formed by subjecting powdered or granular potassium hydroxide, powdered or granular sodium carbonate (soda ash), mass of metal silicon and water to a reaction, and a method of manufacturing the same. A refractory material obtained by mixing one or a plurality of kinds of materials selected from paper, rice hulls, fibrous materials, wood chips and sawdust with the refractory liquid, dehydrating the resultant mixture, and then pressure molding the product. A refractory building material obtained by coating one or both surfaces of a wooden plate, a paper plate, a metal plate or a synthetic plate with a viscous liquid produced by mixing bentonite and fibers with the refractory liquid, and then molding the product. A refractory building material obtained by bonding a noninflammable cotton plate to a base plate via a mixture formed by adding bentonite and Chinese cotton to the refractory liquid, and then molding the product. A refractory adhesive formed by adding bentonite, Chinese cotton and Bengal (31) to the refractory liquid, and mixing and agitating the product.
Patent CA-2295604-A1 (CA)
Title: Lo-cd2a antibody and uses thereof for inhibiting t cell activation and proliferation
Inventor: KIEBER-EMMONS THOMAS
IPC: A61K39/395
Filed: 1997-07-18
Abstract: The present invention relates to a LO-CD2a antibody and methods of using such antibodies or molecules that bind to the same epitope (or a portion thereof) to prevent and inhibit an immune response in human patients, preferably, where the immune response is mediated by the activation and proliferation of T cells or natural killer cells. The administration of an effective amount of LO-CD2a antibody to a human patient will prevent or inhibit graft rejection, graft versus host disease or autoimmune disease.
Patent CA-2299261-A1 (CA)
Title: Method for reducing saturated fatty acids from fatty acid compositions
Inventor: SUGIURA MASAKATSU
IPC: C11C1/00
Filed: 1998-05-21
Abstract: A method for efficiently removing saturated fatty acids from a fatty acid mixture is provided by adding an emulsifying agent to a feedstock fatty acid mixture, mixing and then cooling the mixture, and removing the crystallized portion by dry fractionation, and the use of the obtained reduced saturated fatty acid level mixture to produce fatty acid esters resistant to crystallization at low temperatures.
Patent CA-2302452-A1 (CA)
Title: Mounting bracket and extra-low voltage control device for installation with an electrical outlet box
Inventor: O'DONNELL PATRICK
IPC: H02G3/20
Filed: 2000-03-17
Abstract: A support bracket and extra-low voltage control device for installation with an electrical outlet box provides the capability of attaching or removing extra-low voltage (normally 30 volts or less) control of AC power (normally supplied at 120 volts) circuits such as lights. A controlling device in an enclosure (also called a control module) is attached to the back wall of an electrical outlet box so that AC 120 volt wiring frog the control module AC controlling device (a relay, a triac or a transistor) enters the electrical outlet box through an aperture in the back wall of the electrical outlet box.  Extra-low voltage control wiring enters the control module through an aperture in the control module enclosure and connects either to a relay coil or to an opto-coupling device within the control module enclosure to provide physical separation between the two wiring systems. Optionally, the control module used may receive a radio frequency signal or a power line carrier signal and in these cases opto-coupling and extra-low voltage wiring are not required. The support bracket is attached to a structural member so that the electrical outlet box, when attached to the support bracket, has an open wall flush with the interior face of the drywall. The electrical outlet box is attached to the support bracket by removable screws and this allows the electrical outlet box with the control module attached and AC building wiring attached to be withdrawn from the wall or ceiling cavity to allow access to the extra-low voltage wiring (when present) and access to the control module for maintenance or removal.
Patent CA-2304933-A1 (CA)
Inventor: WYNNS KIM A
IPC: C23C4/18
Filed: 2000-04-10
Abstract: A method of aluminum diffusion coating the surface of an iron-, nickel-, cobalt-, or titanium-base alloy product begins with cleaning and providing an anchor profile on the surface of the product, followed by depositing with an appropriate thermal spray method at least 4 mils (0.1016 millimeters) thickness of a minimum 85 wt.% aluminum alloy, which can also contain up to 12 wt.% silicon. A MCrAIX -type coating layer may also be thermally sprayed on the substrate surface before the aluminum alloy is sprayed. The thermal sprayed products are heat treated in a sealed retort at a temperature of between 900° F and 1200° F (482° C and 649° C) and then maintained at that temperature for a period of at least one hour to ensure the formation of a strong metallurgical bond between the aluminum alloy layer and the product. The retort temperature is then elevated to between 1400° F  and 2000° F (760° C and 1093° C) and held at that temperature for between 0.17 hour (10 minutes) and 7 hours to cause the diffusion of the aluminum alloy surface layer and subsequent formation of an aluminum diffusion coating. A further treatment step after diffusion heat treatment can be conducted to form a surface oxide, nitride, or combination surface layer. Abrasive blasting of the finished aluminum diffusion coated product may be done to remove any residual aluminum alloy overlay remaining on the coating surface and to provide an improved surface finish and appearance.
Patent CA-2306904-A1 (CA)
Title: Computer management system
Inventor: DEWAR GREGORY JOHN
IPC: G06Q10/00
Filed: 1998-10-26
Abstract: A computer management system (10) is provided for operating a computer and application programs (20) from projects. The system (10) stores information related to individual projects in memory of the computer and comprises project selection means for selecting a desired project and linking means (12) for linking information and tasks related to each project. The linking means (12) has a file path including task categories and information classes for each task category so that documents for each class are automatically saved in a predefined path. The information classes are adapted to contain document identifications. In use the selection means is used to select a project and from which a desired document in an information class can be selected. The system (10) can create a new project (20) with newly defined linkages, save off an existing project or model on a project template (16). Any of the projects can be made a project template (26). The linking means also has a database (14) containing contact and client details from which the details are retrieved and inserted automatically in bookmarked positions in a document being created. The application program for a selected document is run automatically on selecting the document.
Patent CA-2307579-A1 (CA)
Title: Waveguide profile for large effective area
Inventor: BERKEY GEORGE E
IPC: G02B6/02
Filed: 1998-10-06
Abstract: Disclosed is a single mode optical waveguide fiber having a segmented core design. The core may have two or more segments. The highest refractive index portion (41) of the core is spaced apart from the centerline of the waveguide fiber. The relative index of the first or center segment (21) of the core is negative, where the reference refractive index is taken to be the minimum index clad. This family of core profiles provides effective areas in the range of 110 .mu.m2 to 150 .mu.m2 in the operating window around 1550 nm. Dashed lines (6) show alternative shapes for the index profiles (2 and 4). The negative relative index annular region illustrated by dashed line (5) shows the optional third core region having a negative relative index, using the minimum clad index as the reference index.