baber/WOPTO huggingface dataset:
Patent CA-2058532-C (CA)
Title: Mineral processing screen separator
Inventor: HUNTER STANLEY GORDON
IPC: F04D15/00
Filed: 1991-12-24
Granted: 2000-11-07
Abstract: This invention relates to a screen separator for separating metal adsorbent particles from a pulp and includes a screen separator for separating metal adsorbent particles from a pulp including an open topped and closed bottom cylindrical screen for axially vertical location, in use, in a tank containing pulp with the open top of the screen at or adjacent the full pulp surface level in the tank, an impeller which is located in the screen with its axis of rotation vertical, drive means, and a drive chaff connecting the drive means to the impeller with the impeller being adapted to drive pulp in the screen upwardly to a level above the surface level of the full pulp level in the tank when the impeller is rotated in the screen. The invention further extends to a method of separating the particles from the pulp by means of the separator and to a metal recover process which employs the separation method.
Patent CA-2059150-C (CA)
Title: Quick connect branch connector
Inventor: MCLENNAN WILLIAM ROSS
IPC: F16L41/00
Filed: 1992-01-10
Granted: 1996-10-22
Abstract: A quick connect branch connector includes a saddle to which one end of a spring clip is hingedly connected,  a traction device being provided at the opposite end of the spring clip for cooperation with the saddle, whereby the spring clip can be placed under tensile hoop stress in encircling relation with a pipe.
Patent CA-2063737-C (CA)
Title: Non-linear switched video filter for television picture noise reduction
Inventor: WHYBRAY MICHAEL WILLIAM
IPC: H04N5/21
Filed: 1990-08-09
Granted: 2000-01-11
Abstract: Temporally filtered video samples are formed as the sum of a previous frame output sample (P) and a nonlinear function of the difference between current (S) and previous (P) samples. The function is nonlinear only for absolute values of differences less that 50 % (preferably 10 %) of the maximum range of the difference, and a smaller lookup table is used for implementing the nonlinear function than would otherwise be the case.
Patent CA-2071707-C (CA)
Title: Polymer alloy material and process for production thereof
Inventor: SHAW WILLIAM JOHN DOUGLAS
IPC: C08L101/00
Filed: 1992-06-19
Granted: 1997-04-22
Abstract: A polymer alloy material and process for production thereof. The process comprises the step of: heating a powdered precursor material comprising polymer particles having an average particle size less than about 1000 µm to a temperature less than the melting point of the polymer at a pressure of at least about 5 MPa to produce the polymer alloy material. Preferably the powdered precursor material is produced by mechanically milling a polymer to provide a powdered precursor material having an average particle size in the range of from about 0.5 µm to about 200 µm. The invention is particularly suited for processing a single polymer or a mixture oftwo or more polymers which are otherwise difficult to process at a temperature less than the melting point of the polymer.
Patent CA-2074278-C (CA)
Title: Process and magnetic device for immunological analysis of a solid phase
Inventor: MATTE CLAUDE
IPC: G01N33/557
Filed: 1992-07-21
Granted: 2004-06-08
Abstract: The present invention relates to a process for determining or detecting by immuno adherence a biological substance present in a sample, which consists in introducing the sample into a receptacle on whose walls there is a component which has a specific immunological affinity for the substance to be tested for, in adding magnetic particles on which there is a substance which has a specific immunological affinity for the substance to be tested for, in subjecting them to several successive magnetic actions in order to accelerate the deposition of the said particles onto the walls and to displace those which have not formed specific bonds with the substance to be tested for which adheres to the walls via the component with affinity which is fixed thereto, and in observing the particles deposited.
Patent CA-2077708-C (CA)
Title: Cyclic nitrones
Inventor: CARR ALBERT A
IPC: C07D209/44
Filed: 1992-09-08
Granted: 2003-08-05
Abstract: The present invention is directed to a new class of cyclic nitrones of the formula: (see formula I) in which R1 and R2 are each independently represented by a C1-3 alkyl or R1 and R2 together form a C2-7 alkyl chain, n is represented by an integer from 0 to 2, and R3 is repre-sented by a substituent selected from the group consisting of hydrogen, halogen, C1-4 alkyl, C1-4 alkoxy, -CF3, -OCF3 and -OH. These nitrones are useful as spin trapping agents.
Patent CA-2078757-C (CA)
Title: Improved automatic packaging equipment
Inventor: TISMA STEVAN
IPC: B65B35/20
Filed: 1992-09-21
Granted: 2001-12-18
Abstract: An automatic packaging machine comprises a spaced parallel pair of conveyor chains for transporting a plurality of mandrels. A pair of guide rails connected between the conveyor chains for slidably carrying each mandrel, so that a mandrel may be moved in a product transport position to a loading station. At the loading station, tho mandrel is thrust forward to confront a box so that the product may be pushed into a box. The mandrel may be made wider to accept product without a precise alignment between mandrel and product or more narrow to fit the product into a box at the loading station. Two cam slots are provided to independently control the thrust position and the with of the mandrel.      A stabilization support provides enough play the dissipate centrifugal force and thereby enable the machine to operate at a higher speed.
Patent CA-2078875-C (CA)
Title: High level expression of basic fibroblast growth factor having a homogeneous n-terminus
Inventor: THOMPSON STEWART A
IPC: A61P25/28
Filed: 1991-03-28
Granted: 2002-02-26
Abstract: DNA sequences are provided which encode a form of basic fibroblast growth factor lacking one of the alanine residues im-mediately following the N-terminal methionine residue of the primary translation product. The DNA sequences can be expressed to produce basic fibroblast growth factor having a homogeneous N-terminus.
Patent CA-2083888-C (CA)
Title: Device for trapping migrating bodies within the secondary circuit of a steam generator
Inventor: POUSSIN CHRISTOPHE
IPC: G21D1/00
Filed: 1992-11-26
Granted: 2002-10-22
Abstract: The trapping device makes it possible to trap migrating bodies within the steam generator or secondary circuit of a nuclear inst-allation.        It is essentially constituted by grids (6) placed between the upper part of the tube nest envelope (10) and the pressure envelope (7) of the steam generator. The size of the meshes of said grids is such that it is impossible for objects liable to jam between the tubes of the tube nest of the primary circuit to pass through.         Application to the steam generator of a pressurized nuclear reactor.
Patent CA-2087185-C (CA)
Title: Micro climate device for desks
Inventor: WYON DAVID
IPC: F24F13/06
Filed: 1991-07-08
Granted: 2000-02-29
Abstract: An apparatus for desks for influencing the exchange of heat between a person sitting at the desk (4) and the ambient air comprises means (2, 8-10. 12, 13) arranged to cause air with a temperature differing from the main room air to enter into contact with substantial surface portions of the person's body.
Patent CA-2088456-C (CA)
Title: Tamper evident closure
Inventor: HEKAL IHAB
IPC: B65D55/02
Filed: 1993-01-29
Granted: 2005-11-15
Abstract: In accordance with the present invention, an irreversible tamper evident system for a button closure is provided. The irreversible tamper evident system is provided by a color change system carried by the flexible button portion of the closer. The color change system comprises an indicator coating over a dark colored substrate coating. The indicator coat is preferably colored with a light colored transparent colorant such as an orange colored fluorescent dye. The indicator coat is preferably a liquid material which can be cured by evaporation, heat, UV irradiation or the like, to form a solid layer. then the substrate layer and indicator layer are in intimate contact, a first color is observed. Depending upon the relative colors used far this substrate and indictor layers, this first color can be a combination of the colors of the two layer or can be primarily the color of the substrate layer.      However, when the layers become separated and the outer layer is spaced from the inner layer, a second color is observed which second color is primarily the color of the indicator coat.
Patent CA-2106554-C (CA)
Inventor: MACKLEY MALCOLM ROBERT
IPC: A23P1/12
Filed: 1993-09-20
Granted: 1999-06-08
Abstract: A process for plastically extruding a fat-containing confectionery material e.g. chocolate which comprises feeding the fat-containing confectionery material into an extruder and applying pressure to the fat-containing confectionery material in a substantially solid or semi-solid non-pourable form upstream of a flow constriction at a temperature at which the fat-containing confectionery material is extruded substantially isothermally and remains in a substantially solid or semi-solid non-pourable form to produce an axially homogeneous extruded product having a cross section that is of substantially the same profile as the die exit of the extruder.
Patent CA-2107408-C (CA)
Inventor: MAC NEIL DAVID I
IPC: E05C9/02
Filed: 1993-09-30
Granted: 1999-04-20
Abstract: An  improved  multipoint  lock  assembly  is provided for securing a swinging door in a tightly closed  condition.    The  multipoint  lock  assembly includes a main actuator cartridge for retracting a plurality of latch pins mounted at vertically spaced positions  along  a  free  side  edge  of the  swinging door,  in  response to rotational movement of indoor and  outdoor  lever  handles.    A  trigger  assembly retains the latch  pins  in  a  retracted position  in response to lever handle rotation to open the door, and includes a trigger pin for engaging the adjacent door jamb upon door closure to release the latch pins for spring-loaded movement to an advanced position. The advanced latch pins engage ramped strike plates on the door jamb to draw in and tightly retain the closed door against the door jamb.   When the latch pins are advanced, a security deadbolt on the main actuator cartridge can be thrown to positively lock the  door.    When  the  deadbolt  is thrown,  a panic release mechanism permits retraction of the deadbolt and latch pins in response to rotation of the indoor lever handle, but not in response to rotation of the outdoor lever handle.
Patent CA-2110030-C (CA)
Inventor: NAKANO FUMIO
IPC: H04L7/00
Filed: 1993-11-25
Granted: 1998-09-15
Abstract: A clock synchronizing apparatus for use in a digital automobile telephone apparatus has a receiver, a clock synchronizing circuit, a timing control circuit, a multiplexer/demultiplexer, and a level comparator.  The receiver detects the level of an electric field of a received radio wave.  The clock synchronizing circuit selectively outputs a phase-corrected clock signal reproduced from the received wave or a free-running clock signal.  The level comparator compares the detected level of the electric field with a predetermined threshold and controls the clock synchronizing circuit to select one of the phase-corrected and free-running clock signals in response to the result of comparison.          Specifically, the level comparator controls the clock synchronizing circuit to output the phase-corrected clock signal if the detected level of the electric field is in excess of the predetermined threshold, and to output the free-running clock signal if the detected level of the electric field is equal to or less than the predetermined threshold.
Patent CA-2110760-C (CA)
Title: Apparatus and method of freezing food
Inventor: APPOLONIA JOHN J
IPC: A23L3/375
Filed: 1993-12-06
Granted: 1996-09-10
Abstract: Method and apparatus for continuously freezing a food product in which the food product is contacted on a conveyor with a liquid refrigerant under conditions of turbulent  flow to thereby freeze at least the outer surface of the food product. The frozen food product and the liquid refrigerant are thereafter separated.
Patent CA-2114879-C (CA)
Inventor: SANDROCK DON G
IPC: F16C29/04
Filed: 1994-02-03
Granted: 1997-05-13
Abstract: An improved drive apparatus for use with linear pick-and-place assembly devices is disclosed, which drive apparatus includes a movable carriage having an improved guide track assembly.  The guide track assembly comprises a series of V-rollers and mating V-tracks to provide the vertical and horizontal translational movements for a linear pick-and-place assembly device's output member.  The guide track assembly includes V-roller elements which can be eccentrically adjusted to create a tight, pre-loaded sliding engagement with the mating V-tracks, all so as to substantially eliminate any undesired end play movement within the movable carriage.
Patent CA-2121273-C (CA)
Inventor: TIFFIN RONALD C
IPC: B65H75/18
Filed: 1994-04-14
Granted: 1999-01-19
Abstract: The invention provides tubular core assemblies for winding or unwinding of sheet material, such as newsprint, wherein the opposed ends of an elongate cylindrical core are provided with core insert members securely attached by adhesive bonding to the inside and surfaces of the cylindrical core for reducing the inside diameter of the ends of the cylindrical core.  The annular core insert members each include a substantially frustoconical exterior surface for joining to the inside periphery of the ends of the cylindrical core and the opposed ends of the cylindrical core have substantially frustoconical interior surfaces which match the substantially frustoconical exterior surfaces of the annular core insert members.  The annular core insert members can readily be bonded to the ends of the main core body by axial insertion into the core because surface-to-surface contact of the bonding surfaces is improved and because adhesive bonding material is not scraped off during the insertion process.  In addition, the core insert members have improved axial load capabilities.
Patent CA-2125619-C (CA)
Inventor: TSUBOKURA AKIRA
IPC: C12P13/00
Filed: 1994-06-10
Granted: 2008-11-18
Abstract: A process for production of canthaxanthin comprising the steps of culturing a microorganism capable of producing canthaxanthin and belonging to the genus Corynebacterium, such as Corynebacterium sp. SQH 348 (FERM BP-4284), and recovering canthaxanthin from the culture. The present producer microorganism produces mainly all-trans type canthaxanthin which is the naturally occurring type canthaxanthin.
Patent CA-2128423-C (CA)
Inventor: DESLAURIERS PAUL J
IPC: A61Q17/04
Filed: 1992-11-25
Granted: 1999-06-15
Abstract: Health and beauty aid composition comprise one or more health or beauty aid components in a gel comprising a mineral oil containing blends of di- and triblock copolymers based on synthetic thermoplastic rubbers,
Patent CA-2129778-C (CA)
Inventor: VEZZONI EMILIO
IPC: G02F1/313
Filed: 1994-08-09
Granted: 1997-09-02
Abstract: The device includes a first and a second optical circulator having an input portand an output port that are the inputs and the outputs of the switch, as well as an optical bandpass filter placed between the two circulators and connected with means for switching its state so that the filter either reflects or transmits a given wavelength, thus allowing a carrier with this wavelength at the input port of one of the circulators to reach the output port of the samecirculator or the output port of the other circulator.
Patent CA-2134695-C (CA)
Title: Methode de communication pour systeme de communication sans fil
Inventor: RAITH ALEX K
IPC: H04W48/16
Filed: 1994-10-31
Granted: 2000-04-18
Abstract: Système de communication dans lequel des informations sont transmises dans une pluralité d'intervalles de temps groupés en une pluralité de supertrames qui sont, à leur tour, regroupées en une pluralité de trames de radiomessagerie. Une station distante reçoit des messages de radiomessagerie une fois dans chaque trame de radiomessagerie.
Patent CA-2136835-C (CA)
Title: Device for generating inhalable active substance particles
Inventor: HEIDE HELMUT
IPC: A61M15/00
Filed: 1993-05-11
Granted: 2000-02-29
Abstract: A device for mechanically generating inhalable active substance particles from a consolidated medication supply and for conveying the active substance particles into the respiratory tract, wherein, in order to generate the active substance particles, there is a drivable face mill against which the front of a medication supply in the form of a ring-shaped body can be pressed, whereby the ring-shaped body forms the beginning of an inhalation tube ending in a mouthpiece and in that the housing surrounding the ring-shaped body and the face mill is provided with air inlet openings in the blade area of the face mill and said air inlet openings, together with the depressions located between the blades and the inhalation tube, form an air channel leading to the mouthpiece.
Patent CA-2139081-C (CA)
Title: Unified messaging system and method
Inventor: GORDON ALASTAIR T
IPC: H04L9/00
Filed: 1994-12-23
Granted: 1999-02-02
Abstract: The present invention relates to a unified messaging and communication system which is convenient and cost effective.  This system advantageously combines or makes use of existing communication channels or networks. Part of the system and method relies on an intermediate leg of the distribution network being an INTERNET segment. Telephone communication is typically used for initial or final legs.  Voice mail, E-mail, facsimiles and real time voice telephone communications are completed by the system. Telephone to telephone long distance communications use INTERNET between two commercial providers, with these commercial providers interacting seamlessly with conventional telephones, thereby making the system widely available to telephone subscribers.
Patent CA-2144005-C (CA)
Inventor: OLIVER JAMES
IPC: B66F13/00
Filed: 1995-03-06
Granted: 1999-02-02
Abstract: A support, for a pier of the type having a base with a  bottom  surface  area  and  fastener-receiving  bores therethrough, generally comprises a panel with plurality of ribs attached thereto as a stiffening grid; the free sides of the ribs defining a support plane that is parallel to the panel.  A plurality of attachment bores in the support receive fasteners for attaching the pier base to the support such that shear forces between the pier and the support are resisted.  Shear pegs in shear bores resist shear forces between stacked supports.  A plurality of anchor bores through the support each may receive a anchor rod for resisting shear forces between said support and the ground.   In an exemplary stacked configuration, the top support has its first side upward, preferably attached to the pier and the bottom support has  its first side downward.   An alternate stacked embodiment comprises a base of two lower supports laid end to end with an overlapping support overlapping their juncture and supporting the pier directly or supporting another support.
Patent CA-2146139-C (CA)
Inventor: GEBARA GHASSAN R
IPC: H05K9/00
Filed: 1993-09-24
Granted: 1998-09-01
Abstract: Technique de réduction EMR utilisant des traces et traversées conductrices mises à la masse qui circonscrivent les plans internes de circuits imprimés. Les traversées conductrices suivent un trajet sinueux en périphérie, encerclant les traces conductrices de signal de chaque couche d'un circuit imprimé. Le plan de masse est étendu pour englober et mettre électriquement à la masse chacune des traversées. Pour chaque plan conducteur de signal, une trace conductrice est acheminée et connectée à chacune des traversées, formant un bouclier à la masse autour des traces conductrices de signal dans le plan conducteur de signal. Pour les plans d'alimentation, une trace conductrice connecte les traversées conductrices et forme un bouclier à la masse autour des plans d'alimentation. Un trajet non conducteur, entre le plan d'alimentation et la trace conductrice du plan d'alimentation, assure l'isolation électrique entre les tensions du plan d'alimentation et la trace conductrice mise à la masse.
Patent CA-2148823-C (CA)
IPC: A61K31/445
Filed: 1993-11-15
Granted: 1999-03-09
Abstract: On produit une microsphère à libération prolongée en enfermant un antipsychotique hydrophobe tel que brompéridol ou halopéridol dans une base qui comprend un polymère biocompatible tel que l'acide polylactique ou un copolymère acide lactique/acide glycolique. Lorsque s'impose une administation à long terme, elle peut offrir un effet pharmacologique désiré grâce à une injection toutes les 1 à 8 semaines et non chaque jour. On peut donc escompter une amélioration remarquable du respect des posologies pendant une thérapie de maintien. De plus, l'utilisation du polymère biocompatible permet d'éviter entièrement des opérations chirurgicales telles que des implantations, facilite les injections hypodermiques et intramusculaires comme dans le cas des injections suspendues, et évite le retrait de la microsphère. On peut en outre administrer cette microsphère moyennant peu d'appréhension et de douleur.
Patent CA-2155553-C (CA)
Title: Systemes de communication sans fil
Inventor: STUART NICHOLAS FISHER
IPC: H04M1/72505
Filed: 1994-02-10
Granted: 1999-09-07
Abstract: L'invention concerne un système de télécommunications conçu pour établir une emission et une réception radio entre une ou plusieurs unités de base (1) et une ou plusieurs unités portables (2, 3). Lors de la réception d'un appel entrant par une unité de base (1), un premier signal d'appel est envoyé par l'unité de base (1) à une ou plusieurs unités portables (2, 3). Ce premier signal d'appel ne contient aucune information sur la commande d'un dispositif de sonnerie prévu dans chaque unité portable (2, 3). En revanche, lorsque le signal en séquence en provenance de la première unité portable (2, 3) est reçu par l'unité de base (1) en réponse au signal d'appel, l'unité de base (1) envoie un deuxième signal de référence. Ce deuxième signal de référence contient des informations qui démarrent une cadence de sonnerie à l'arrêt, au début de la cadence, dans le dispositif de sonnerie de la première unité portable (2, 3) pour répondre, par conséquent il n'y a qu'un délai très court entre une unité de base (1) et une unité portable (2, 3) établissant un contact et l'unité portable commençant à sonner.
Patent CA-2156055-C (CA)
Title: Drape adapter
Inventor: CLEVELAND JOHN T JR
IPC: B65D85/38
Filed: 1994-12-14
Granted: 2001-10-30
Abstract: An adapter member (36) for a microscope (12) cooperates with a universal microscope drape having a universal positioning member (38). The adapter member (36) is detachably secured to a lens housing (14) of the microscope (12) in tandem with a lens unit (16) located in the lens housing (14). The adapter member (36) is free from connection with the lens unit (16) and can be installed without disassembling the lens housing (14). The adapter member (36) is threaded to the lens housing (14) and the adapter member (36) has a universal engagement portion that is engageable with the universal positioning member (38) of the universal microscope drape.