baber/WOPTO huggingface dataset:
Patent CA-2278192-A1 (CA)
Title: Dispositif souple assurant l'etancheite des boutons de commande et mecanismes de relai destines aux montres et autres instruments
Inventor: SANTOS NERI JOSE LUIS
IPC: G04B37/10
Filed: 1998-01-19
Abstract: La présente invention concerne une plaque (élastique) de caoutchouc (Figure 1) qui, lorsqu'elle soudée par ses bords (Figure 1A) à l'intérieur du corps (boîtier) de montre (ou autre objet) (Figure 3A), assure une totale étanchéité à l'eau et à la poussière. Simultanément, étant donné qu'elle la soudure par les côtés (les bords), la partie centrale reste totalement libre, ce qui permet le déplacement des boutons de commande extérieurs (Figures 4C, 4D et 6A) et l'actionnement du mécanisme, qu'il soit électronique (Figure 3D) ou mécanique (Figure 5 et 7) (numérique ou analogique). Lorsqu'on agit sur les boutons de commande extérieurs, on déclenche à l'intérieur la fonction correspondante (Figure 4E, 4F). Une seule plaque (Figure 3A) peut suffir pour plusieurs boutons de commande (Figure 3B, 3C), mais on peut également avoir une plaque pour chaque bouton de commande (Figure 4A, 4B) suivant l'écart entre les boutons de commande et l'espace disponible dans le boîtier de montre. Ce système, qui est très bon marché, n'est pas réservé aux montres, et convient également à tout type d'instrument susceptible d'être placé profond dans l'eau ou dans un milieu très poussiéreux (ou dans des liquides non corrosifs), comme c'est le cas notamment pour les chronomètres, les caméras, les caméras vidéo, les projecteurs d'éclairage ou d'illumination, les armes sous-marines, sans qu'il y ait de risque de pénétration, même à grande profondeur.
Patent CA-2278421-A1 (CA)
Title: Medicaments entravant l'evolution du pterygion et sa recurrence postoperatoire
Inventor: ISAJI MASAYUKI
IPC: A61K31/196
Filed: 1998-02-13
Abstract: L'invention a trait à des médicaments entravant l'évolution du ptérygion et sa récurrence postopératoire. L'acide N-(3,4-diméthoxycinnamoyl)anthrenilique, représenté par la formule suivante (I), ou l'un de ses sels, acceptable du point de vue pharmaceutique, a la propriété d'empêcher la multiplication des tissus constituant le ptérygion. C'est pourquoi des compositions médicinales contenant cet acide ou son sel en tant qu'ingrédient actif se révèlent des plus utiles s'agissant d'entraver l'évolution du ptérygion ainsi que sa récurrence postopératoire.
Patent CA-2280916-A1 (CA)
Title: Prepacked flush joint well screen
Inventor: JOHNSON RUSSELL P
IPC: E21B43/08
Filed: 1998-02-06
Abstract: A prepacked well screen has concentric inner (10) and outer (11) fiber reinforced composite tubes with a granular filter medium (13) in the annulus between the inner (10) and outer (11) tubes. The walls of the tubes are slotted (12) for passing fluid through the slots (12) and the filter medium (13). Each end of the inner tube (10) extends beyond the adjacent end of the outer tube (11) and has a male thread (16). A connection is made to an adjacent well screen or other tube by a female coupling member (18) threaded onto the male thread (16). An advantage of the design is that the coupling member (18) connected to the inner tube (10) has an outside diameter approximately the same as the outside diameter of the outer tube (11).
Patent CA-2281614-A1 (CA)
Title: Monomers derived from hydroxy acids and polymers prepared therefrom
Inventor: QIU BO
IPC: C08G64/18
Filed: 1998-02-18
Abstract: Dihydroxy monomer compounds having formula (1) wherein R1 and R2 are independently selected from hydrogen or straight or branched alkyl groups having up to 18 carbon atoms; R3 is selected from -CH=CH- and (-CH2-)k, wherein k is between 0 and 6, inclusive; each Z is independently bromine or iodine, d and n are independently 0, 1 or 2 and X is hydrogen or a pendent group having structure (A) wherein Y is selected from straight or branched alkyl and alkylaryl groups having up to 18 carbon atoms. Poly(amide carbonates) and poly(esteramides) polymerized from the dihydroxy monomer compounds are also disclosed.
Patent CA-2282771-A1 (CA)
Inventor: MACKENZIE DALE WILLIAM
IPC: C23C8/68
Filed: 1999-09-17
Abstract: A method and apparatus for boronizing a metal workpiece which includes the step of providing a container having a least one workpiece receiving chamber and at least one heating chamber adapted to heat the workpiece receiving chamber. The metal workpiece to be boronized is placed within the workpiece receiving chamber in physical contact with a boronizing agent.      The heating chamber is heated until the workpiece receiving chamber is heated to a sufficient temperature for a sufficient length of time to boronize the workpiece. With this method an internal heating chamber positioned within the container is used to supply heat for the boronizing process, as opposed to placing the container into a boronizing furnace. This eliminates the need for a boronizing furnace, with all of its associated expense.
Patent CA-2282959-A1 (CA)
Title: Welding apparatus
Inventor: OTSUKA KAZUSHI
IPC: B23K11/31
Filed: 1999-09-21
Abstract: A welding apparatus provided with a base frame having a power source portion, an electrode die portion having a lower base portion and an upper base portion at least one of which is driven to ascend and descend to close to and part from each other, plural lower electrode portions attached to the lower base portion, and plural upper electrode portions attached to the upper base portion. Further, a lower contact conductor which electrically connects the lower electrode portions to the power source portion intermittently, and an upper contact conductor which electrically connects the upper electrode portions to the power source portion intermittently, are provided to the base frame side.
Patent CA-2286878-A1 (CA)
Inventor: CONRAD WAYNE ERNEST
IPC: H02J1/10
Filed: 1999-10-15
Abstract: A method and apparatus are provided for adjusting and modulating an electric power supply to an electric motor. The power supply is modulated by a pulse train. Parameters of the pulse train, such as frequency, pulse width and voltage, can be modified in accordance with an algorithm, to improve the motor performance. At least one parameter indicative of motor performance, such as power supply for the motor or motor speed, is monitored, to enable adjustment of the parameters of the pulse train modulating the power supply, thereby to achieve desired motor performance.
Patent CA-2288039-A1 (CA)
Title: Personal care compositions comprising an adhesive copolymer
Inventor: MIDHA SANJEEV
IPC: A61Q9/02
Filed: 1998-04-24
Abstract: The present invention relates to personal care compositions. These compositions comprise an adhesive copolymer and a solvent for the copolymer selected from the group consisting of water, ethanol, n-propanol, isopropanol, acetone, propylene glycol, and mixtures thereof. The compositions, when dried, exhibit a cohesive strength of greater than about 0.5 kgf/mm2, a total energy absorption per unit volume of greater than about 0.55 kgfmm/mm3, and an impact strength of greater than about 7000 ergs. Preferred air hairspray embodiments of the present invention having improved removeability from hair as defined by a hair stiffness value of from 0 to about 3.5 (0 to 4 scale) and a hair flaking value of from 0 to about 3.5 (0 to 4 scale), which values are determined by the removeability methodology defined herein.
Patent CA-2289987-A1 (CA)
Inventor: JOLLIFFE LINDA
IPC: C07D223/10
Filed: 1998-05-08
Abstract: This invention relates to a series of arylsubstituted piperazines, of Formula (I), pharmaceutical compositions containing them and intermediates used in their manufacture. The compounds of the invention selectively inhibit binding to the .alpha.-la adrenergic receptor, a receptor which has been implicated in benign prostatic hyperplasia. As such the compounds are potentially useful in the treatment of this and other disease.
Patent CA-2292682-A1 (CA)
Title: Improved strap tensioning tool
Inventor: ANGAROLA BARRY R
IPC: B21F9/00
Filed: 1999-12-17
Abstract: A strap tensioning tool having a gear housing with a foot pivotally coupled thereto by a rotatably supported foot pivot member, a nose pivotally coupled to the foot by a rotatably supported nose pivot member, and a foot roller rotatably coupled to the foot by a rotatably supported roller pivot member. The foot and nose are pivotally biased by corresponding compression springs that are substantially enclosed and protected from the environment. The nose has a strap engagment portion biased toward a strap support portion of the foot and is separated therefrom by a gap to facilitate insertion of a strap portion therebetween.
Patent CA-2294181-A1 (CA)
Title: System and method providing an arrangement for efficiently emulating an operating system call
Inventor: DICE DAVID
IPC: G06F9/42
Filed: 1999-04-20
Abstract: An operating system call control subsystem is disclosed for use in a computer that includes a processor for processing a program, the program instructions of an operating system call instruction type identifying one of a plurality of types of operating system calls, each type of operating system call being associable with an operating system call type identifier value within a predetermied range of values. The operating system call instruction type processing module, in response to the processor processing an instruction of the operating system call instruction type, (a) saves the operating system call set identifier from the target address, (b) selects one of the entries in the crossover table using the offset value of the target address, (c) processes the instruction from the selected entry of the crossover table to save the value corresponding to the offset of the selected entry in the crossover table, and (d) generates the operating system call type identifier value in connection with the saved operating system call set identifier and the saved value corresponding to the offset of the selected entry in the crossover table.
Patent CA-2295384-A1 (CA)
Inventor: OSSEIRAN RABIH ISSAM
IPC: A63H3/38
Filed: 2000-01-05
Abstract: The patent is a new type of doll (toy) with changeable eyes colours and designs. The kids playing with this doll can simply change the colour and the design of its eyes by three different methods. The first method of changing the doll's eyes colour and design is the (Doll Contact Lenses) or the (DCL) method; in which an artificial contact lenses are made with different colours and designs and can be put and removed from the doll's eyes any time. The second method of changing the doll's eyes colour and design is the (Revolving Eye) or the (RE) method; in which the doll's eyes have different eye surfaces-lenses-and can be revolved -turned-to change from one eye surface-lens- to another manually or electrically - with or without Remote Control- by simply turning a small knob or button located outside of the doll's head or body and connected to the doll's revolving eyes. The third method of changing the doll's eyes colour and design is the (Alternate Eye Light) or the (AEL) in which the doll's eyes have one or more bulbs with different colours where the kid playing with this doll can simply change the colour of the eyes - with or without Remote Control- by a button or knob located outside of the doll's head. The three above mentioned methods for changing the doll's eyes colour and design can be put all in one doll or any combination of them or only one of them.
Patent CA-2302099-A1 (CA)
Title: Process for the wet screening of stock suspensions in pressure graders and pressure grader screen
Inventor: SCHABEL SAMUEL
IPC: D21D5/02
Filed: 2000-03-24
Abstract: Process and pressure grader screen for wet screening stock suspensions. The process includes conducting the stock suspension along the screen, so that break-away eddies are formed on an inflow side of the screen, separating portions of the stock suspensions, so that a part of the stock suspension passes through the screen apertures as underflow and an other part is rejected as overflow, and moving the at least one clearer relative to the screen, so that one of pressure- and suction impulses are produced at the screen apertures to form pre- and back flows, In this way, a flow direction of the break-away eddy is reversed by the back flow to rinse a part of the screen lying between the screen aperture with the back flow and an adjacent downstream aperture. The pressure grader screen includes a plurality of bars arranged to form a plurality of essentially parallel grading slots through which an accepted part of the stock suspension passes during the wet screening, The bars have faces located between the grading slots, and the Faces each include a front end and a back end, Each back end includes an extension arranged to cover an adjacent grading slot and at least a part of the front end of the face adjacent the adjacent grading slot. Each extension has an underside, such that the underside and the front end are oriented obliquely to each other.
Patent CA-2303303-A1 (CA)
Title: Amplification and detection of yersinia enterocolitica
Inventor: FORT THOMAS L
IPC: G01N27/447
Filed: 2000-04-11
Abstract: Amplification primers and methods for specific amplification and detection of a Yersinia enterocolitica target are disclosed. The primer-target binding sequences are useful for amplification and detection of Y. enterocolitica target in a variety of amplification and detection reactions.
Patent CA-2303475-A1 (CA)
Title: Method for publishing certification information certified by a plurality of authorities and apparatus and portable data storage media used to practice said method
Inventor: CORDERY ROBERT A
IPC: H04L9/32
Filed: 2000-03-30
Abstract: A method for certifying the public key of a user wishing to communicate using a public key encryption system by a plurality of certifying authorities. A plurality of certifying stations and a user station exchange information and the user station derives a public key from the exchanged information. The certifying stations also publish related information and their public keys. A third party can derive the public key corresponding to the user's private key by operating on the published information with a summation of the certifying station keys.
Patent CA-2304888-A1 (CA)
Inventor: HUBBELL RANDALL R
IPC: F16F9/04
Filed: 2000-04-07
Abstract: A fluid device such as an air spring includes a pair of parallel spaced end members and an elastomeric sleeve interposed therebetween to define a fluid pressure chamber therein. A girdle hoop is formed of cold rolled solid steel in a toroidal configuration and is molded into the elastomeric sleeve parallel and preferably spaced equidistant from the end plates.
Patent CA-2305720-A1 (CA)
Title: Method and apparatus for hanging tubulars in wells
Inventor: WARREN SHERMAN R
IPC: E21B43/10
Filed: 1998-10-07
Abstract: A well tubular (14) is hung within a casing (10) through placement of tubular on overlapping relationship with the casing. A spacer (16) may be located therebetween. The tubular (14) is expanded which in tum expands the spacer (16) when used. The tubular is expanded beyond the yield point such that it or an intervening spacer engages the inside of the casing (10) and stresses the casing within its elastic limits. The assembly then contracts to form a tight structural support between the tubulars and a high pressure seal against flow therebetween. A  spacer (16) having channels (20, 22) about either end with ductile sealing material (24) therein is of an expanded metal material through cuts in the sheet. A hydraulic ram (32) is employed with an expandable collet (54) to draw the collet through the overlapping area of the liner and the casing. The collet extends within a shoulder (68) at the end of its stroke such that it will be substantially released from the upper end of the liner. A method for placing lateral liner includes expanding the liner to beyond its yield point within the hole through the casing. The stub of the liner positioned within the casing may then be drilled out such that completed lateral and main bores are achieved.
Patent CA-2308362-A1 (CA)
Inventor: BUCHMAN JAMES E
IPC: B65D33/34
Filed: 2000-05-12
Abstract: A flexible package includes a recloseable zipper along the mouth of the package for selective opening and closing of the mouth. The zipper includes first and second closure profiles, which are configured and constructed to selectively interlock. A tamper evident seal is provided, attached to both the first and second closure members to indicate whether or not the seal on the package has been damaged. The tamper evident seal extends along a side of at least one of the first and second closure profiles. A slider device is configured and constructed to facilitate the mating (closing) and unmating (opening) of the zipper, and to open the tamper evident seal to provide access to the package interior.
Patent CA-2308749-A1 (CA)
Inventor: DESTEFANO GEORGE FRANCIS
IPC: G06F3/0485
Filed: 1998-06-09
Abstract: A computer system and method implement a number of a unique user interface mechanisms to visually link comprehension of the contextual relationship of such information (400). Information may be visually linked by displaying a connector element that extends between first and second windows displayed on a computer display (472). Information may be visually linked by applying one or more filter criteria (470) to information elements (476) and displaying results.
Patent CA-2312893-A1 (CA)
Title: Dent artificielle et son procede d'elaboration
Inventor: YAMAMOTO YASUMICHI
IPC: A61C8/00
Filed: 1998-12-01
Abstract: L'invention porte sur une dent artificielle ne devant pas se fixer directement à l'os de la mâchoire et permettant des homo et hétérotransplantations, et sur son procédé d'élaboration. La pose de ladite dent comporte la mise en place d'une couche de collagène extrait dans le canal de la racine d'une dent permanente homologue ou hétérologue débarrassée du parodonte, et des cellules du nerf et des vaisseaux sanguins, et celle d'une membrane de collagène extrait à la surface de la racine dont le parodonte est débarrassé des composants cellulaires.
Patent CA-2314191-A1 (CA)
Inventor: MATSUDA YOSHIAKI
IPC: H02M7/523
Filed: 2000-07-20
Abstract: There is provided a switching power supply having low loss.     In a power supply of the present invention, two sub switching elements connected in series are then connected in parallel with a bridge circuit, and a resonance coil and a sub primary winding are connected between a connection point of the series connection circuits and an output terminal of the bridge circuit. Resonance capacitors are respectively connected in parallel with each main switching element constituting the bridge circuit, so as to resonate with the resonance coil.  Voltages across the two ends of A phase and B phase sub secondary windings magnetically coupled to the sub primary winding are clamped to the supply voltage, a fixed voltage in proportion to the turns ratio is generated in the sub primary winding, a voltage applied to the resonance coil becomes small and current fluctuation becomes small.     Also, with the power supply of the present invention, two sub switching elements connected in series are then connected in parallel with a main bridge circuit, and a resonance coil and auxiliary primary winding are connected between a connection point C of the series connection circuits and an output terminal B of the main bridge circuit. Resonance capacitors are respectively connected in parallel with each main switching element constituting the main bridge circuit.  The auxiliary primary winding is magnetically coupled to a main primary winding H-bridge connected to the main bridge circuit, the main bridge circuit is controlled during resonance of the resonance coil, and the resonance is terminated using a voltage induced in the auxiliary primary winding.
Patent CA-2314280-A1 (CA)
Title: Locking clip with moveable collet
Inventor: BENOIT THOMAS A
IPC: F16B37/08
Filed: 2000-07-19
Abstract: The clip of the present invention includes a plurality of internally threaded legs which form an aperture for receiving an externally threaded stud or similar structural device. A moveable circular collet is attached to a plunged and travels from a pre-driven position wherein the collet is substantially free from engagement with the internally threaded legs and allows for flexure of the internally threaded legs and a fully driven position wherein the collet engages the internally threaded legs in a locked position, inhibiting flexure and engaging the externally threaded stud.
Patent CA-2314396-A1 (CA)
Inventor: FRANCESCHINI THOMAS
IPC: C12N1/21
Filed: 1998-12-11
Abstract: High expression vectors for expression of heterologous genes in Escherichia coli. The expression vectors contain, the tac promoter, an intergenic region, a restriction site, and, optionally, groES DNA.
Patent CA-2315830-A1 (CA)
Title: Butylpolymer composition having improved cold flow properties
Inventor: SUMNER ANTHONY J
IPC: C08L25/08
Filed: 2000-07-27
Abstract: A butyl polymer composition having improved cold flow properties is described. The composition comprises a butyl polymer (preferably a halogenated butyl polymer) and a styrene monomer. The styrene monomer is a copolymer of .alpha.-methylstyrene and another styrenic monomer (e.g., styrene and vinyl toluene). Relative to the base butyl polymer, the cold flow properties of the butyl polymer composition are improved along with a number of other properties.
Patent CA-2316631-A1 (CA)
Inventor: CHEN WEN CHOU
IPC: F23N1/00
Filed: 2000-08-22
Abstract: A gas burner includes a gas valve block having a gas input control part connected to a fuel gas source and a gas output control part connected to a flame tube and gas nozzle for producing an igniting flame for burning fuel gas outputted through the flame tube, a differential pressure device adapted to control the fuel gas passage between the gas input control part and the gas output control part through a normal-close valve and a normal-open valve, an electronic igniter controlled by a cork in the gas valve block through a micro-switch to discharge sparks through discharging electrode means for burning fuel gas outputted through the gas nozzle, and a temperature switch for controlling the operation of the normal-open valve and the electronic igniter subject to a predetermined temperature range.
Patent CA-2317096-A1 (CA)
Title: Mechanical surface cleaning vehicle for fine particulate removal
Inventor: VANDERLINDEN ROGER P
IPC: E01H1/04
Filed: 2000-08-10
Abstract: A mechanical surface sweeping vehicle has a cylindrically-shaped rotating sweeping broom to propel forwardly debris disposed on a contacted portion of a surface being cleaned, thereby creating a forwardly propelled stream of debris. A mechanical debris elevator is disposed to receive and retain the forwardly propelled stream of debris and to deposit the received and retained debris into the hopper. A deflector flap is disposed forwardly of the rotating sweeping broom and immediately rearwardly of the debris accepting lower end portion of the mechanical debris elevator, to receive at least a portion of the forwardly propelled stream of debris and to deflect it upwardly and forwardly onto the mechanical debris elevator. An air blast outlet effects a blast of air forcefully impinges in a forward direction the surface behind the leading edge of the broom, thereby propelling forwardly therewith fine debris disposed on the surface, and carries forwardly through the sweeping broom and egresses therefrom, to deflect forwardly and upwardly off the deflector flap and forwardly past the deflector flap to travel to the mechanical debris elevator, in a path having a forward component along its entire length, exclusive of subsequent impingement of the surface and exclusive of subsequent re-entry into the lower portion of the broom.