baber/WOPTO huggingface dataset:
Patent CA-2225044-C (CA)
Title: A polyaxial locking mechanism
Inventor: ERRICO THOMAS J
IPC: A61B17/70
Filed: 1996-07-10
Granted: 2006-11-07
Abstract: A polyaxial colletted locking mechanism for use with orthopedic apparatus includes a screw (170), hook (190), or other orthopedic implant element having a curvate head (172, 192), and a coupling element (100a). The coupling element (100a) has a tapered and colletted portion (102a) having an interior chamber (116a) in which the curvate head (172, 192) is initially polyaxially disposed. A locking collar (160) is disposed around the tapered and colletted portion (102a) such that translation thereof in the direction of the expanding taper causes the interior volume (116a) to contract onto the curvate head (172, 192) and lock it therein. The coupling element generally also includes a rod receiving recess (122a) in either the side or top thereof for receiving a rod of the total implant apparatus. The locking collar (160) may be caused to translate into its locking position by a mutual threading on the tapered portion and the collar, or by pressure applied to it by a separate element (150) which locks the rod in the channel.
Patent CA-2227514-C (CA)
Inventor: JAHNSSON MAGNUS
IPC: A61M11/00
Filed: 1996-07-23
Granted: 2007-01-23
Abstract: Disposable inhaler comprising a tubular housing forming an air flow path bei ng open at both ends, one end forming an air inlet and one end forming an air outlet, said housing comprising a compartment for storing a pharmaceutically active substance to be inhaled, said compartment being placed in the air flow path close to the air inlet, wherei n the powder compartment is formed as a cavity or indent in a plate and placed in the housing in the air flow path. According to the invention there is also provided a method of manufacturing the inhaler as well as a use of the inhaler.
Patent CA-2232539-C (CA)
Title: Lentille multifocale a pouvoir progressive
Inventor: KITANI AKIRA
IPC: G02C7/06
Filed: 1996-09-19
Granted: 2006-02-07
Abstract: L'invention concerne un verre à foyer progressif à indice de gradient appartenant à un groupe déterminé en fonction de règles prédéterminées de sorte que les facteurs de base des verres à foyer progressif à indice de gradient, tels que le point de mesure F à focale courte et le point de mesure N à focale longue, puissent être adaptés à des verres de lunettes. Supposons que la réfringence superficielle (en dioptres) au niveau du point de mesure F soit une courbe de base (Bi), que la différence de réfringence superficielle entre le point de mesure F et le point de mesure N soit Di (en dioptres), que la largeur d'une région soit de W(Di, Bi), la valeur de la réfringence superficielle moyenne additionnelle le long d'une courbe sectionnelle dans le sens vertical passant au-dessous du point de mesure N étant d'au moins Di/2. Lorsque deux verres à foyer progressif à indice de gradient de Di=Da et Bi=B1, B2, quels qu'ils soient, sont choisis dans le groupe des verres à foyer progressif, ils remplissent la condition W(Da, B1) > W(Da, B2) lorsque B1 > B2. Ainsi, on peut produire un verre à foyer progressif à indice de gradient, présentant le champ de vision souhaitable pour les utilisateurs de lunettes de vue, sans augmenter le temps et le coût de la production de produits de prescription.
Patent CA-2234796-C (CA)
Title: Portable object-oriented operating system
Inventor: KANUNGO RAJESH
IPC: G06F9/44
Filed: 1996-10-14
Granted: 2002-04-16
Abstract: An apparatus for enabling an object-oriented application to access in an object-oriented manner an operating system having a native interface is disclosed. The apparatus includes a computer and a memory component in the computer. A code library is stored in the memory component. The code library includes computer program logic implementing an object-oriented class library.  The object-oriented class library comprises related object-oriented classes for enabling the application to access in an object-oriented manner services provided by the operating system. The object-oriented classes include methods for accessing the operating system services using procedural function calls compatible with the native procedural interface of the operating system. The computer proceses object-oriented statements contained in the application and defined by the class library by executing methods from the class library corresponding to the object-oriented statements.
Patent CA-2236863-C (CA)
Inventor: MCGARIAN BRUCE
IPC: E21B23/00
Filed: 1996-12-09
Granted: 2005-04-26
Abstract: The invention relates to bypass valves for use in wellbores, particularly bu t not exclusively to bypass valves used during the setting of hydraulic anchor packers. The invention provides a bypass valve for selectively isolating the interior of a down-hole assembly from the exterior thereof, the bypass valve comprising constraining means (42, 44 , 52) being adapted to permit movement of a piston (30) from a first position to a second position in response to a predetermined pressur e differential between a bore (58) of the piston (30) and the exterior of a boy (4) but normally preventing movement of the piston (30) to a third position in which the bore (58) of the piston (30) is substantially isolated from the exterior of the body (4), and overriding means for overriding the constraining means (42, 44, 52) so as to permit movement of the piston (30) to the third position. The invention thereby provides a bypass valve which resists any tendency to close prematurely and which communicates any such tendancy to the surface.</ SDOAB>
Patent CA-2238042-C (CA)
Inventor: ALFORD WILLIAM G
IPC: E05B73/00
Filed: 1996-05-06
Granted: 2006-04-04
Abstract: A security device (1) which includes a locking member (3), a ratchet member (4), and a plurality of cables (5). The cables extend through both a fastener (7) and a base (8) of the locking member and are wrapped around all six sides of a book or box-like structure (2). The fastener is releasably snap-fitted into the base and secured therein by a pair of metal tines (35). The ratchet member includes a housing (50) containing a gear (56) and bearing member (54) which are latched together in a spaced relationship to form a reel (100) and a pawl (52). A bottom plate (58) encloses the contents of the housing. The gear includes a multi-sided key hole (95), a plurality of openings (90) to secure enlarged ends of the cables therein, and a plurality of teeth (80). The gear and bearing member each include an annular nub (75) which sits in and rotates around a corresponding bearing surface of the bottom plate and housing, respectively. The pawl has a catch (110) and a resilient spring (108) and communicates with th e gear to allow the ratchet member to be fumed only in one direction. Two specialized tools (115, 120) are required to tighten the devi ce around the box-like structure and to remove the security device from the same.
Patent CA-2243789-C (CA)
Inventor: ROBITAILLE LIONEL L
IPC: B26F1/22
Filed: 1998-07-20
Granted: 2002-04-30
Abstract: A new handle cutter assembly used in the packaging and shipping of things in cardboard boxes and the like. The inventive device includes a handle, a cutter for cutting handle slots, and an extendible knife. In use, the handle cutter assembly is pushed against a wall of material such as cardboard or the like. Since the surface area of the cutting edge initially contacting the surface of the material to be cut is reduced due to the high or pointed edges along with the low edges, the cutter readily penetrates the surface of the material.  As the cutter is pushed through the material, the low edges approach and eventually cut as well. The cutter 40 does not go completely around as in an oval, but rather it is shaped like a "C" and has one side left open. This remaining open side consequently does not cut the material adjacent to this area of the cutter 40 for the purpose of leaving the material intact and to be folded over. In some cases, this remaining flap can still be relied upon to hold material into the box and it can also serve as a more pleasant edge for the hand to lift against. The handle cutter assembly 10 can effectively be used either side up to create handle holes and flaps to the advantage of the user according to the material being carried or packed inside the box or object.
Patent CA-2244684-C (CA)
Inventor: RYHANEN VILJO HEIKKI KALEVI
IPC: B28C9/04
Filed: 1997-01-31
Granted: 2005-12-06
Abstract: This invention applies to a concrete mixing plant, with an aggregate storage (1) to which a central part (8) is fixed, forming a whole. In the concrete mixing plant there is a conveyor (2) that transfers the aggregate to the aggregate mixer component (6), the mixer component (6) containing the mixing equipment with its batching and weighing devices. The characteristics of the invention are the following: the connecting unit (7) is attached to the lower part of the mixer component (6) with a joint (7a), and to the upper side (8a) of the central part (8) with a joint (7b). The jointed frame (4a) is attached with the top joint (4b) to the upper part of the mixer component (6) and with the bottom joint (4c) to the top at the back of the central part (8). As a resul t the mixer component (6) can be lifted from the transporting position to the mixing position and lowered to the transporting position, retaining all the cabling connections.
Patent CA-2247622-C (CA)
Title: Method for accommodating multiple calling cards during a single call in a telecommunications network
Inventor: CROSS WANDA KAY
IPC: H04M3/00
Filed: 1998-09-17
Granted: 2001-10-30
Abstract: A method for automatically billing multiple calling card accounts during a single call by an operator services system (OSS) is disclosed. Multiple calling card account numbers received in the OSS are validated and a maximum call duration isdetermined. Prior to balance depletion of all calling card accounts initially provided by the caller, the caller is notified of forthcoming balance depletion and subsequently given the option to bill the same call to other calling card accounts. While the caller is making alternate billing arrangements, network resources are held. After a predetermined amount of time, if no other billing arrangements have been made, the call is disconnected and the network resources are released.
Patent CA-2250012-C (CA)
Inventor: MCNEIL KEVIN BENSON
IPC: B41F13/12
Filed: 1997-03-18
Granted: 2004-03-30
Abstract: An apparatus (10) for registering indicia (30) with lines of termination (21 ) in a transported sheet (11), the apparatus comprising: a means for transporting a sheet in a first direction; a means (32) for applyi ng spaced indicia to the sheet at predetermined repeating intervals and at a first rate; a means (34) for imparting lines of termination (21) to the sheet (11) at a second rate, the lines of termination (21) being in spaced relationship to the indicia (30) and a means (50) for adjusting the spaced relationship between the indicia and the lines of termination by adjusting one of said first rate and said second rate.</SDOAB >
Patent CA-2252062-C (CA)
Title: Dispositif de commutation d'un generateur de centrale electrique et d'un transformateur avec un sectionneur a trois positions
Inventor: WILLIEME JEAN-MARC
IPC: H02B1/24
Filed: 1998-11-23
Granted: 2004-01-20
Abstract: Le dispositif de commutation comprend un disjoncteur (3) avec une position ouverte (3B) pour isoler le générateur (1) du réseau et une position fermée (3A) pour relier le générateur au réseau, et un sectionneur (4) avec un pôle fixe (4E) relié au générateur et avec un contact (4F) relié au pôle fixe et mobile par rapport à ce dernier pour occuper, lorsque le disjoncteur est ouvert, une première position (4A) reliant le générateur à un circuit de démarrage (6,7,8) et une deuxième position (4C) reliant le générateur à une mise à la terre (4G). Le contact mobile (4F) du sectionneur possède une troisième position (4B) dans laquelle il forme un appendice équipotentiel du pôle fixe (4E) lorsque le disjoncteur (3) est fermé. Le contact mobile (4F) n'est pas parcouru par le courant électrique de régime permanent du générateur (1), ce qui permet de réduire avantageusement ses dimensions pour supporter les régimes électriques transitoires dans les première et le deuxième positions.
Patent CA-2258554-C (CA)
Inventor: BURKOTH TERRY LEE
IPC: A61K9/16
Filed: 1997-06-17
Granted: 2006-08-15
Abstract: A method for providing densified processed pharmaceutical compositions is provided. The method is used to convert non-dense pharmaceutical powders or particulate formulations into densified particles optimally suited for transdermal delivery using a needleless syringe. The method is also used to optimize the density and particle size of powders and particulate formulations for subsequent transdermal delivery thereof. Densified pharmaceutical compositions formed by the present methods are also provided.
Patent CA-2259002-C (CA)
Inventor: SCOTT DAVID WILLIAM
IPC: B23D5/02
Filed: 1997-06-25
Granted: 2005-12-06
Abstract: The present invention is a one piece sleeve for a rotary valve, the sleeve comprising an array of communication slots formed in the bore of the sleeve, characterised in that at least a portion of the floor of one of said slots is convex. Figure depicts sleeve (1b) with arcuate slot (21b) which has a convex floor and is open ended at both axial extremities of surface (17b) of bore (16b) of sleeve (1b). This slot may preferably be used as a return slot on the sleeve.
Patent CA-2261256-C (CA)
Title: Methods of protecting well tubular goods from corrosion
Inventor: WEAVER JIMMIE D
IPC: C09K8/575
Filed: 1999-02-08
Granted: 2003-11-18
Abstract: The present invention provides methods of protecting ferrous metal well tubular goods and the like disposed in a well bore penetrating a subterranean formation from corrosion.      The method basically includes the steps of introducing a liquid or solution of a tackifying compound having ferrous metal corrosion inhibition properties into the well bore whereby the tackifying compound is coated onto the tubular goods thereby providing extended corrosion protection to the tubular goods. Thereafter, formation fluids are produced from the subterranean formation.
Patent CA-2267117-C (CA)
Inventor: FAGRELL OLA
IPC: C08L23/04
Filed: 1997-07-02
Granted: 2006-05-30
Abstract: Cette invention concerne une composition polymère semi-conductrice, réticulable et contenant un silane, ainsi qu'une gaine de câble électrique qui comprend cette composition polymère réticulée en qualité de couche semi-conductrice. Cette composition est à base d'éthylène et contient également du noir de carbone. Le polymère consiste de préférence en un terpolymère, lequel se compose d'éthylène, d'un (méth)acrylate d'un alcool comportant de 1 à 8 atomes de carbone tel que de l'acrylate de méthyle, d'éthyle ou de butyle et, enfin, d'un composé de silane insaturé tel qu'un silane de vinyltriméthoxy. Cette composition polymère se caractérise en ce que le noir de carbone possède une surface spécifique d'environ 30 à 80 mm<2>/g, ce qui permet de limiter les problèmes associés à une réticulation indésirable de la composition polymère comme, par exemple, lors de son extrusion.
Patent CA-2268140-C (CA)
Inventor: OSBORNE DAVID W
IPC: A61K9/70
Filed: 1997-10-16
Granted: 2005-05-24
Abstract: Gel excipient pharmaceutique insoluble dans l'eau, qui adhère aux surfaces des muqueuses et des tissus de l'organisme après application et forme un film offrant un effet de protection et permettant de délivrer un produit pharmaceutique au site d'application et entourant les tissus et liquides organiques. Le gel se compose d'un solvant non aqueux volatil ou diffuseur, et d'au moins une alkyle ou hydroxyalkyle cellulose insoluble à l'eau, auxquels on peut encore ajouter un polymère bioadhésif. Ce gel possède un temps de séjour efficace et est facile d'emploi. Le temps de séjour peut être modifié par l'adjonction d'un composant agissant de manière à modifier la cinétique d'érosion de l'excipient.
Patent CA-2269562-C (CA)
Inventor: LYONS ARTHUR P
IPC: B60K17/04
Filed: 1999-04-20
Granted: 2008-07-29
Abstract: An electric motor vehicle includes an electric motor driving a step-down differential, axles, and drive wheels. An operator control produces torque command signals, which are applied to a controller to command application of electric power to the motor in response to the torque commands, to achieve the desired torque. The low friction of the electric drive, in conjunction with the rotational compliance or imperfect stiffness of the axles, may result in low-frequency surges or jerky motion, especially at low speeds. A damping arrangement includes a differencing circuit coupled between the operator control and the controller, for taking the difference between the operator-commanded torque and a damping torque signal. The damping torque signal is produced by differentiating the electric motor speed to produce a motor-acceleration representative signal.
Patent CA-2270982-C (CA)
Inventor: SUKHINDER PAUL TIMOTHY SINGH G
IPC: A63B63/00
Filed: 1997-10-30
Granted: 2007-01-16
Abstract: A folding soccer goal, consisting of a goal-post, backstay bars, and a net, wherein the goalpost has a horizontal crossbar and two vertical posts foldably attached to the crossbar; the backstay bars foldably attach to the goalpost and extend outward and downward therefrom; a hinged foot assembly is connected to the bottom of each vertical post wherein the foot is adapted for attachment to a playing surface; also disclosed is a method for erecting a soccer goal including the steps of laying the goal on the playing surface, positioning the feet against the playing surface, attaching the feet to the playing surface, raising the posts about the hinges to a substantially vertical position over the feet, and securing the posts in a substantially vertical position.
Patent CA-2276426-C (CA)
Title: Method for formation evaluation while drilling
Inventor: PRAMMER MANFRED
IPC: G01R33/44
Filed: 1997-12-29
Granted: 2005-02-01
Abstract: A logging while drilling (LWD) and measuring while drilling (MWD) method and device (16) are disclosed for reducing the sensitivity of NMR measurements to tool (16) motions.   The invention is based on NMR relaxation measurements determining longitudinal relaxation times T1 instead of standard T2 measurements, and involves saturating a relatively wide sensitive region of the formation (10) and processing NMR echo signals which originate approximately from the center of the sensitive region.
Patent CA-2276555-C (CA)
Title: Paper machine edge fiber alignment control by angled headbox sides
Inventor: WAECH THEODORE G
IPC: D21F1/02
Filed: 1999-06-29
Granted: 2006-08-08
Abstract: A headbox is provided which provides an improved uniformity in the velocity profile of the stock solution across the slice opening. As a result, improved fiber alignment is provided across the width of the entire slice opening and mis-alignment of the fibers towards the outer edges of the slice opening is avoided. The headbox includes an improved nozzle design with pondsides that are not parallel to one another but which are angled inwardly as they extend from the tube bank to the slice opening.  Further, several columns of outer tubes of the tube bank may also be angled inwardly as they extend from the header to the nozzle section. The center tubes would be disposed in a parallel relationship to one another. A sealing arrangement is provided between the roof of the nozzle section and the pondside which permits the incorporation of a double knuckle for extending and retracting the roof to adjust the L/b ratio. In an alternative embodiment, the roof includes a rectangular extraction which is retracted and extended by a double knuckle and which needs no special sealing arrangement between the extension and the pondsides.
Patent CA-2279396-C (CA)
Title: Nouveaux materiaux d'electrodes derives de composes ioniques polyquinoniques et leurs utilisations dans les generateurs electrochimiques
Inventor: ARMAND MICHEL
IPC: H01M6/00
Filed: 1998-12-02
Granted: 2012-02-14
Abstract: La présente invention concerne des nouveaux matériaux d'électrodes dérivés de composés ioniques polyquinoniques et leurs utilisations comme dans les générateurs électrochimiques.
Patent CA-2288356-C (CA)
Title: Method and apparatus for completing telephone calls between subnetworks
Inventor: SYLVAIN DANY
IPC: H04M7/00
Filed: 1999-11-02
Granted: 2009-07-07
Abstract: A method and apparatus for completing telephone calls between trunk subnetworks overlaid on an ATM backbone is described. Each of the trunk subnetworks include a call manager which is configured for exchanging signaling messages with both a common channel signaling network and the ATM backbone network. This permits ATM facility providers to link subnetworks using a common infrastructure so that calls can be effectively diverted from the PSTN between end offices while fully supporting PSTN/ISDN services. This is achieved by using a signaling method in which call request messages are encoded by a first call manager with a parameter so that a second call manager in the signaling path can effect backward call set up between ATM interfaces using data from the parameter. The advantage is the extension of call completion between subnetworks overlaid on an ATM backbone using ATM facilities without sacrificing PSTN/ISDN call features.
Patent CA-2289748-C (CA)
Inventor: BELLI SERGIO
IPC: H01B7/00
Filed: 1998-05-08
Granted: 2003-07-22
Abstract: La présente invention concerne un revêtement qui permet de protéger les câbles contre les impacts accidentels. En effet, il est possible d'obtenir un câble présentant une forte résistance aux impacts. Dans ce but, on insère un revêtement approprié d'un matériau polymère d'une épaisseur adéquate dans la structure d'un câble de puissance, en le plaçant, de préférence, en contact avec la gaine du revêtement polymère extérieur. Par ailleurs, un matériau polymère expansé, utilisé comme revêtement pour câbles, permet d'obtenir une résistance aux impacts supérieure par rapport à un revêtement semblable en polymère non expansé. Un câble recouvert d'un revêtement de ce type présente divers avantages par rapport à un câble traditionnel avec une armature métallique, à savoir, un traitement plus facile, un moindre poids et des dimensions inférieures du câble fini, ainsi qu'un impact plus faible sur l'environnement, en ce qui concerne le recyclage du câble une fois son cycle de travail terminé.
Patent CA-2293547-C (CA)
Title: Method and device for producing fullerenes
Inventor: SCHWOB YVAN
IPC: B01J19/08
Filed: 1998-06-05
Granted: 2008-08-05
Abstract: The invention relates to a method and a device for the continuous production of carbon black with a high fullerene content. The device essentially consis ts of a plasma reactor (1), a downstream heat separator (2) to separate the non - liquid constituents and a cold separator (3) attached thereto.
Patent CA-2302772-C (CA)
Title: Combustible en emulsion eau-huile
Inventor: NOHARA HIROTSUGU
IPC: C10L1/32
Filed: 1998-09-03
Granted: 2008-08-12
Abstract: On produit ce combustible en émulsion eau-huile en mélangeant de l'huile lourde et de l'eau avec des ingrédients inorganiques afin de donner lieu à une émulsion, les ingrédients inorganiques. Cette émulsion se caractérise par le fait que les ingrédients inorganiques consistent en du sodium, du magnésium, du potassium et du chlore et que le combustible est d'une constitution telle, qu'une fois émulsionné, il se maintient dans cet état sans que l'eau et l'huile ne se séparent quelle que soit la température de combustion et par le fait que, de surcroît, il brûle toujours de manière stable.
Patent CA-2305396-C (CA)
Title: Lubricating compositions
Inventor: FIELD IAN PETER
IPC: C10M133/08
Filed: 1998-10-01
Granted: 2006-07-18
Abstract: A synthetic ester-containing lubricant with good soot-handling and, with friction modifier, viscosity modifier and antioxidant present, improved engine performance and cleanliness.