baber/WOPTO huggingface dataset:
Patent CA-2256594-A1 (CA)
Title: Method and apparatus for mixing a second medium with a first medium
Inventor: PELTONEN KARI
IPC: B01F27/96
Filed: 1997-05-29
Abstract: The present invention relates to a method and a device for mixing a second medium into a first medium. The method and the device according to the invention are particularly advantageous when used for mixing different chemicals, both liquid and gaseous, or steam into pulp suspension in the wood processing industry. In the method and device according to the invention, the first medium is fed into the mixer housing (10), mixed therein and removed from said housing (10), a freely rotatable rotor (20) being placed in said housing (10) and tamed by means of the incoming medium flow into the housing (10).
Patent CA-2257432-A1 (CA)
Title: Method and device for facilitating the insertion of a coiled tube into a well and for loosening stuck objects in a well
Inventor: BAKKE STIG
IPC: E21B23/04
Filed: 1997-06-06
Abstract: Method for overcoming friction between a coiled tube and the wall of a well by an oil- or gas well, and for enabling application of impact energy to loosen stuck objects in a well. Pressure changes are applied to a liquid flowing in the coiled tube by periodically shutting off the liquid flow at or near the outlet of the coiled tube. Pressure changes, pressure strokes, are applied by means of a valve device comprising a valve body (31) arranged to seal against a valve seat (45) and to shut off the liquid flow whenever the flow rate exceeds a predetermined value, and to remain shut until the pressure in the liquid upstream of the valve body (31) is lower than a predetermined value, and that the valve body (31) has a slide (3) arranged thereto, which is arranged to open for a liquid flow past the valve body (31), to reduce, thereby, the pressure in the liquid upstream of the valve body (31) whenever the pressure in the liquid upstream of the valve body (31) exceeds a predetermined value. A damping device in which pistons in the form of collars (25, 26), channels (27, 28) and check valves (29, 30) are moved in annular spaces (17, 18, 19) filled with liquid, contributes to the valve device being closed long enough for a pressure rise to spread in the liquid in the coiled tube, and being open long enough for full liquid flow to be established before the next shut-off.
Patent CA-2258023-A1 (CA)
Inventor: GREEN IAN MACDONALD
IPC: H01J61/54
Filed: 1997-06-11
Abstract: Glow discharge apparatus comprises a light-transmissive body (101) defining a cavity (102) containing neon or xenon gas. The glow discharge is powered by one or more electrodes (103) external to the cavity. The apparatus also comprises a secondary light source (104) for illuminating the neon gas to provide electrons in the cavity, thereby assisting discharge initiation in intermittent use, for example when controlled by a pulse time modulation drive circuit (107).
Patent CA-2258545-A1 (CA)
Inventor: KAHN JAY IAN
IPC: C11D1/22
Filed: 1997-06-26
Abstract: Compositions détergentes liquides non aqueuses et contenant des particules destinées à des lessives, qui se présentent sous forme d'une suspension de matière particulaire, comportant de préférence un agent de blanchiment peroxygéné et un adjuvant pour détergent organique, dispersée dans une phase liquide structurée à l'aide d'un tensioactif et élasticisée à l'aide de matière particulaire fine telle que du dioxyde de silicium ou de titane. Lesdites compositions fournissent un nettoyage et un blanchiment particulièrement désirés de tissus lavés à l'aide de ces compositions et présentent également une coulabilité et une stabilité chimique et de phase particulièrement désirées.
Patent CA-2259057-A1 (CA)
Title: Portable inclimetric resistance exercise device
Inventor: TOUPS LANNY J
IPC: A63B23/035
Filed: 1999-01-14
Abstract: The invention is a portable exercise device which creates a controlled and infinitely variable resistance profile. The exercise device, creates this infinitely variable resistance using springs or elastic bands to create the input resistance versus the use of a weight stack as normally used in most exercise equipment. The advantage of this device over conventional exercise devices is that usage of this resistance medium creates a portable exercise device that can create an infinitely variable resistance profile. The exercise devise may be used while traveling and/or in the home. The ease with which the input resistance elements, such as elastic bands or springs, may be changed makes this device much more versatile for exercising a wider range of muscle groups while using one portable machine.
Patent CA-2261650-A1 (CA)
Title: Swivel
Inventor: EIDE JORGEN
IPC: E21B43/013
Filed: 1997-08-21
Abstract: Swivel assembly for installation at a well for subsea production of oil or gas, and adapted to be connected to a production vessel at the sea surface, comprising a main or fluid swivel having at least two paths (21, 22) and an electric/hydraulic auxiliary swivel (28) for signal communication and power transfer. The fluid swivel is provided with a rotatable swivel housing (24) at the top of a stationary Christmas tree (50), preferably comprising a small number of valves, such as a production master valve (51) and an annulus master valve (52). Said paths (21, 22) are through-running vertically in the central core member (25) of the fluid swivel so as to make possible well intervention from the upper side of the fluid swivel.
Patent CA-2264584-A1 (CA)
Title: Wound dressing
Inventor: GRIFFITHS BRYAN
IPC: A61F13/00
Filed: 1997-09-05
Abstract: A wound dressing comprising a blend of discrete modified cellulose gel forming fibres with at least one other type of discrete gel forming fibres.
Patent CA-2266229-A1 (CA)
Inventor: SPEIGHT TIMOTHY JAMES
IPC: H01Q3/26
Filed: 1999-03-22
Abstract: A process is disclosed for assigning channels for communications between base stations, each having an array of antennas, and mobile terminals in a cellular radio communication system. The process comprises: determining the approximate positions of mobile stations relative to one or more antennas; configuring the array of antennas at a first base station to produce a major lobe and nulls in its polar diagram, the lobe being directed at the approximate position of a first mobile terminal in the first cell; assigning a data communication channel between the first base station and the first mobile terminal; and reassigning that data channel for communications in a second cell between a second base station and a second mobile terminal at the approximate position of which the major lobe at the first base station is not directed.      The process provides better discrimination against interferers and/or allows channels to be reassigned in closer cells than is conventional.
Patent CA-2267798-A1 (CA)
Title: Universal adaptor for electronic parking meters
Inventor: JACOBS JAMES P
IPC: B60Q1/48
Filed: 1997-10-01
Abstract: A universal adaptor for use with electronic parking meters which provides these electronic parking meters with the ability to detect the presence of a parked vehicle and to adjust the position of the detector for accomplishing the vehicle detection, to gather statistics on the parking spaces and the meters, to alert the parking authority of meters that are expired in connection with vehicles still parked, and zeroing the remaining time off of any meter once the parked vehicle departs.
Patent CA-2268296-A1 (CA)
Title: Article protector and method of use and manufacture
Inventor: MORLEY TIMOTHY CORBEN
IPC: B65D81/03
Filed: 1997-10-09
Abstract: The invention relates to an article protector and method of use and manufacture, and in particular to a foldable multilayer shock-absorbing protector for a fragile and breakable article such as a glass mirror or the like. According to the invention there is provided an article protector (1) comprising a plurality of layers (10, 20, 30) of shock-absorbing material (11, 12), each layer having a first panel (15, 25, 35) foldable relative to a second panel (16, 26, 36) about a fold line (13, 23, 33) separating the panels, the first panel of one layer being connected to the first panel of the adjacent layer, characterised in that the second panel of said one layer is not connected to the second panel of the adjacent layer. There is also provided a method of manufacture and methods of use of the article protector.
Patent CA-2268797-A1 (CA)
Title: Method to control cavity dimensions of fired multilayer circuit boards on a support
Inventor: THALER BARRY JAY
IPC: H01L21/48
Filed: 1997-10-10
Abstract: Patterned laminated green tape multilayer stacks (130) can be fired while maintaining the dimensions of the pattern (120) by applying, as by screen printing or spraying, a ceramic ink (108) over surface portions of the green tape stack. Complex patterns can be formed in the green tapes by punching openings (120) in one or more of the green tape stacks (100) before laminating them together.
Patent CA-2269654-A1 (CA)
Title: Expression prolongee de produits genetiques par transformation de cellules musculaires
Inventor: LEIDEN JEFFERY
IPC: A61K48/00
Filed: 1997-08-22
Abstract: Procédé pour accroître les taux de circulation des produits génétiques chez le primate pendant une période prolongée. Avec ce procédé les cellules musculaires du mammifère sont transformées avec un vecteur d'expression qui contient un polynucléotide codant le produit génétique, ce vecteur commandant l'expression du produit dans le muscle.
Patent CA-2269951-A1 (CA)
Inventor: JACKSON ANDREW CLIVE
IPC: C07C323/12
Filed: 1998-09-02
Abstract: L'invention a trait à un procédé de fabrication de papier caractérisé par le fait qu'à un moment donné du processus de fabrication on ajoute au papier un composé répondant à la formule (I), formule dans laquelle les symboles sont tels que définis dans la revendication 1. L'adjonction de ce composé réduit la tendance qu'ont les articles en papier obtenus, notamment ceux produits à partir de pâte à haut rendement, à jaunir lorsqu'ils sont exposés à la lumière. Cette invention concerne également les produits d'addition utilisés dans le cadre de ce procédé ainsi que le papier fabriqué grâce audit procédé.
Patent CA-2273392-A1 (CA)
Title: Direct preparation of pyrrolo¬3,4-c|pyrroles
Inventor: HENDI SHIVAKUMAR BASALINGAPPA
IPC: C09B57/00
Filed: 1999-05-31
Abstract: A process is disclosed for the direct preparation of pigmentary 1,4-diketopyrrolo-(3,4-c]pyrroles of the formula (I) (see formula I) wherein each of R1 and R2 independently of the other is an isocyclic or heterocyclic aromatic radical, which process comprises heating an appropriate molar ratio of a disuccinate with a nitrite of the formula (II) R1-CN (II) or of the formula (III) R2-CN (III) or with mixtures of said nitrites, in an organic solvent and in the presence of a strong base and an effective amount of a selected particle growth inhibitor of formula (IV)-(X), and then obtaining the compound of formula (I) from the reaction product by protolysis.  The process yields pigmentary 1,4-diketopyrrolo-[3,4-c]pyrroles directly, i.e., without the need for additional particle-size reducing aftertreatments. Also disclosed is a composition comprising a pigmentary 1,4-diketopyrrolo-(3,4-c]pyrrole and the particle growth inhibitor. These pigment compositions are useful for pigmenting high molecular weight organic materials.
Patent CA-2275957-A1 (CA)
Inventor: GUERIN JEAN-PIERRE
IPC: G06T7/00
Filed: 1998-10-23
Abstract: The invention concerns a method for calibrating a camera (4, 22) arranged on a mobile support (21), wherein the camera takes a test object image formed of at least three marks appearing in the camera field, and the analysis of said image gives the initial position and orientation of the camera relative to that of the test object image, known in an application. The support (21) can then be displaced towards an object (28) whereof the camera takes images. Since the support displacements are accurately measured, the analysis of the object images gives the accurate position and orientation of the object relative to the camera and relative to the test object. One application consists in the survey of road signs (28) for constituting databases for managing a network or for an on-board navigation system.
Patent CA-2277060-A1 (CA)
Title: Flexible shower arm assembly
Inventor: MALE ROBERT B
IPC: B05B15/68
Filed: 1998-01-09
Abstract: A flexible shower arm assembly (30) that allows the user to repeatably adjust the position of the shower head (42) in three dimensions by configuring the shape of the shower arm (34) attached between the water source, such as a shower pipe, and the water dispenser, such as a shower head (42). The particular position of the shower head (42), and the direction of the shower spray, can be modified by re-configuring the shape of the shower arm (34). The flexible shower arm (34) holds the desired position until modified by the user. The flexible shower arm (34) is sealingly attached to the shower pipe by a pipe connector nut (40), and is sealingly and pivotally attached to the shower head (42) by a connection structure. The flexible shower arm assembly (30) includes an elongated flexible member defining a fluid transfer path, the flexible member having a first end and an opposite second end. The first end of the flexible member is connected in fluid communication with the shower pipe (32), and the second end of the flexible member is connected in fluid communication to a shower head (42). A sheath (52) covers the flexible arm from the first end to the second end.
Patent CA-2279736-A1 (CA)
Inventor: LANDROT ALAIN
IPC: B61F5/52
Filed: 1999-08-04
Abstract: The bogie consists of at least two axles with wheels, at least one frame beam, running from the axles to a part, which is roughly central in the bogie, and axle boxes (4), in which the axles are mounted. The frame beam consists of an interchangeable elastic blade, forming the primary suspension characteristic, and has a region (61) of composite material, at each end of the beam, and which is located within a housing (8), which is connected to the axle box by an inset separator (9).
Patent CA-2283623-A1 (CA)
Inventor: ZIMMERMANN DIETER
IPC: B61B11/00
Filed: 1999-09-27
Abstract: Chair-lift installation with a conveying belt (2) for conveying the skiers into the boarding region of the installation, in which they get onto the chairs (1) moving through the boarding region. In this case, the conveying belt (2) is vertically adjustable (Fig. 1).
Patent CA-2283824-A1 (CA)
Inventor: SMAGLICK RICHARD J
IPC: H01J61/10
Filed: 1998-03-13
Abstract: A discharge lamp (10) having an envelope (12), a first electrode (26), a second electrode (28), a conductive starting aid (34) that is enclosed in the envelope and located around the inner end (30) of the first electrode, a fill material (50) located in an enclosed volume (16), and a photoemissive coating (64) formed on the inner surface of the envelope is disclosed; wherein, the starting aid (34) yields a more reliable lamp for starting.
Patent CA-2289889-A1 (CA)
Title: Fuel transporting tube
Inventor: IIO SHINJI
IPC: B32B27/34
Filed: 1999-11-16
Abstract: A fuel transporting tube including an inner layer (2) which contacts a fuel being transported and which is formed of a polybutylene naphthalate resin, an outer layer (4) which is provided radially outwardly of the inner layer and which is formed of a polyamide resin or a polyolefin resin, and an intermediate layer (6) which is provided between the inner layer and the outer layer and which is formed of a resin to adhere the inner and outer layers to each other.
Patent CA-2293848-A1 (CA)
Inventor: WISEMAN THOMAS R
IPC: F23C6/04
Filed: 2000-01-04
Abstract: An improved ground flare is provided including a stack and two or more burner assemblies. In one embodiment, a servicing port is provided for servicing some of the burner assemblies while others remain in operation. A burner conduit and nozzles can removeably and individually supported in the stack's burner chamber. The lower end of the stack can be formed of one or more axially displaced lower tubular shells forming annular inlets for admitting combustion air. Additional annular inlets along the burner chamber admit additional combustion air for providing secondary combustion air and increasing the efficiency of combustion from the burner assemblies. Additionally, the additional air permits the addition of auxiliary burners above the annular inlets enabling greater waste gas combustion throughput.
Patent CA-2296576-A1 (CA)
Title: Piles de feuilles comprenant un adhesif recollable dispose en alternance entre les bords opposes et une ou plusieurs feuilles differentes des autres
Inventor: LE RICHE FREDERIC P A
IPC: B42D5/00
Filed: 1998-07-09
Abstract: La présente invention concerne un matériau (200) consistant en une pile de feuilles flexibles, la pluralité de feuilles (201) étant disposées les unes sur les autres, chacune d'elle comportant un adhésif recollable (202) le long d'un bord et n'en comportant aucun le long du bord opposé. Les feuilles sont empilées de sorte que le bord comportant l'adhésif recollable de chaque feuille soit disposé le long des bords opposés en alternance afin de maintenir les feuilles dans la pile. Cette invention est caractérisée en ce que ladite pile comprend au moins deux feuilles différentes l'une de l'autre. Par ailleurs, l'invention concerne un procédé et un appareil permettant d'obtenir une pile de feuilles telles que définies plus haut ainsi qu'un distributeur comprenant une pile de feuilles telles que définies plus haut.
Patent CA-2299714-A1 (CA)
Inventor: HWANG LIANG
IPC: H05K7/14
Filed: 2000-02-29
Abstract: A circuit card wherein tabs extend beyond the forward edge of the card and beyond the forward mating end of connectors mounted to the card to provide protection to the connectors and advanced guidance of the card into card cage guide slots.
Patent CA-2302576-A1 (CA)
Title: Outil abrasif a liaison par resine et procede de fabrication de cet outil
Inventor: MEYER GERALD W
IPC: B24B3/34
Filed: 1998-08-20
Abstract: Cet outil abrasif à liaison par résine comprend un grain abrasif et une liaison organique contenant une résine thermodurcissante, telle qu'une résine époxy, une résine phénolique ou un caoutchouc ou des mélanges de ceux-ci, ainsi qu'un système de charge précurseur pouvant former in situ un système de charge actif en réagissant sous l'effet de la chaleur produite pendant l'opération abrasive. Ladite liaison organique comprend en outre éventuellement un système de charge. Un procédé de fabrication de cet outil abrasif à liaison par résine consiste à mélanger le grain abrasif et la liaison organique avec le système de charge précurseur, à presser le mélange qui en résulte à la forme voulue et à faire durcir l'outil abrasif à une température comprise entre environ 150 et 200 ·C.
Patent CA-2306806-A1 (CA)
Title: Signaling using phase rotation techniques in a digital communications system
Inventor: HOOK MIKAEL
IPC: H04L27/18
Filed: 1999-08-11
Abstract: In a telecommunications system, such as a cellular radio telecommunications system, transmission information, such as modulation scheme selection information, coding information or power level control commands, is efficiently conveyed from the transmitter to the receiver without increasing the bandwidth requirements and without introducing additional transmission delays. This can be accomplished by employing a data symbol phase rotation technique, wherein a sequence of data symbols, for example, a sequence of training symbols used for estimating the propagation characteristics of a given channel, are phase-rotated in accordance with a phase rotation factor that uniquely corresponds to the information being conveyed to the receiver. At the receiver, the symbols are de-rotated until the receiver recovers the training sequence. This allows the receiver to determine the phase rotation factor used to rotate the symbols at the transmitter. This, in turn, identifies the corresponding transmission information.
Patent CA-2307051-A1 (CA)
Title: Method and apparatus to determine user identity and limit access to a communications network
Inventor: SKOPP PETER
IPC: G06F21/00
Filed: 1998-10-23
Abstract: A method and apparatus to determine user identity (200) and limit access to a communications network (300). A first message containing user identity information (200) is received from a client computer in accordance with a first protocol. A first network address (310) is determined from the first message. A second message containing an information request is also received from the client in accordance with a second protocol, and a second network address is determined from the second message. The requesting user identity (200) is then determined based on the first network address (310), the user identity information and the second network address. Based on the requesting user identity (200), it can be decided whether to grant the information request. If access is granted, the requested information is retrieved using the communications network.
Patent CA-2308001-A1 (CA)
Inventor: DANG QUOC-HUNG
IPC: A63B71/06
Filed: 2000-05-05
Abstract: The new electronics computer system designed in this paper is an Ice Hockey Arrays Computer System (IHACS) composed of five new electronics system devices: .cndot.      Infinite_Input_Resistance_to_Amplifiers_Device (HRAD); .cndot.      Infinite_Input_Impedance_to_Amplifiers_Device (MAD); .cndot.      Sharp_Beam_D_Fields_Transmitter (SBDFT); .cndot.      Infinite_Frequency_Circuit (IFC); .cndot.      Arrays_Computer_System (ACS); That permits to operate the Ice-Hockey-Puck Scoring System (IHPSS) with NO.:  2,215,011 to electrically map the set of sensors located inside the Hockey posts. The ACS uses the Von Newman architecture in its software control feature, the addition of hardware switching mechanism enables the fast Peripheral Interface Adaptors(PIAs) selection with the purpose to map then to send or to receive then to map the sensors status in 35Mbits/sec - from one ACS to one ACS - where one bit is one sensor status. There are IceA_ACS, IceB_ACS for two goals and Main_ACS that maps electronically the sensors status sent in air from each goal. Each Ice_ACS sends also the times for horizontal puck velocity determination and the Hockey net dislodging time. The Main_ACS  depicts to view in real time the puck crossing the 2" of the 3-Dimensional-Goal-Line-Volume-Area (3DGLVA) and can calculate the vertical puck velocity.
Patent CA-2308534-A1 (CA)
Inventor: CHERPECK RICHARD E
IPC: C10L1/06
Filed: 2000-05-11
Abstract: A poly(oxyalkylene) pyridyl or piperidyl ester having the formula: (see formula I) or a fuel-soluble salt thereof; wherein A is a nitrogen-containing ring selected from the group consisting of 3-pyridyl, 4-pyridyl, 3-piperidyl and 4-piperidyl; R1 and R2 are independently hydrogen or lower alkyl having 1 to about 6 carbon atoms and each R1 and R2 is independently selected in each ~O~CHR1~CHR2~unit; R3 is hydrogen, alkyl having 1 to about 100 carbon atoms, phenyl, aralkyl having about 7 to about 100 carbon atoms or alkaryl having about 7 to about 100 carbon atoms; x is an integer from 0 to 4; and n is an integer from about 5 to about 100.    The poly(oxyalkylene) pyridyl and piperidyl esters of the present invention are useful as fuel additives for the prevention and control of engine deposits.