baber/WOPTO huggingface dataset:
Patent CA-2289617-A1 (CA)
Title: Fire extinguishing apparatus
Inventor: LEPESHINSKY IGOR ALEXANDROVICH
IPC: A62C31/02
Filed: 1998-04-13
Abstract: The present invention relates to a fire-extinguishing equipment that includes at least the following members; a vessel (1) containing a fire-extinguishing substance; a tank (2) of pressurised gas; flexible pipes (5, 6, 7) for connecting the vessel and the tank to each other as well as to a device (4) that generates a directed flow of the fire-extinguishing substance mixed with the working gas; and a pressure regulator (3) for the working gas. The device (4) comprises a mixing chamber (8) for the fire-extinguishing substance and the gas, wherein said chamber has a gas-dynamic nozzle (1) mounted at its outlet. The length of the profiled channel in the nozzle (11) is equal to at least twice the diameter of said nozzle channel at its smallest section. The vessel (1) and the tank (2) may be fitted in a backpack. The nozzle may be made in the shape of ring and fitted with an annular channel for feeding additional working gas before the minimal section of its own channel. The central body of the annular nozzle may be made in the shape of a cone with its tip directed towards the nozzle inlet.
Patent CA-2291671-A1 (CA)
Title: Web cut-off device
Inventor: VESTERINEN KALEVI
IPC: F15B15/14
Filed: 1998-05-29
Abstract: A web cut-off device, which comprises a piston chamber (13) and a piston (12) fitted as moving in the piston chamber (13), to which piston a cutter blade (11) is attached. The lower part of the piston chamber (13) communicates with pressure chambers (30, 31) through lower connecting ducts (32, 33), and the upper part of the piston chamber (13) communicates with return pressure ducts (60, 61) through upper connecting ducts (62, 63). Further, piston (12) stop cushions (17, 18) are placed in the top portion of the piston chamber (13), and bottom connecting ducts (16) opening to the bottom of the piston chamber (13) below the piston (12) are placed at the bottom of the piston chamber (13). The lower connecting ducts (32, 33) passing from the pressure chambers (30, 31) into the piston chamber (13) open directly into the side walls (14, 15) of the piston chamber (13) at the level of the bottom face of the piston chamber (13), in which case the piston (12) also operates as a valve between the piston chamber (13) and the pressure chamber/chambers (30, 31). This arrangement enables there to be obtained the high speeds of operation required in cutting off a paper or board web, particularly when the web is cut off in the unwind stand of a coating machine or when running at high speed.
Patent CA-2293458-A1 (CA)
Title: Image processing apparatus, and image processing method
Inventor: KOHASHI YASUO
IPC: H04N7/32
Filed: 1998-06-11
Abstract: An object of the present invention is to provide an image processing apparatus in which a delay from start of image data input to start of coding is small, the capacity of a temporary storage means used for temporarily storing the image data to be coded is small, and the possibility of discarding the image data is low even when coding is delayed and, therefore, the image quality is hardly degraded. Since this apparatus is provided with a flag generator for generating control information according to the processing status, input/output of the image data in/from the temporary storage means is performed for each unit amount, and storage and coding of the image data are executed according to the control information. (Fig. 1)
Patent CA-2296321-A1 (CA)
Title: Gas permeable material, method of making and use
Inventor: MCGUIRE KENNETH STEVEN
IPC: B32B7/02
Filed: 1998-07-15
Abstract: A method of making a gas permeable material having a diffusive gas permeability at 0.21 atmosphere diffusive driving force in the range of about 0.5 × 10 5 cm3/100 square inches/day to about 2 ×  10 5 cm3/100 square inches/day. The method comprises the step of coating a pattern of spots of a gas impermeable material onto a porous substrate followed by a step of enlarging the pattern of spots to cover greater than about 95 % of the porous substrate such that the gas permeability occurs only through openings between the pattern of spots. The gas impermeable material is preferably a hot melt adhesive and the porous substrate is preferably a nonwoven. The step of enlarging the pattern of spots includes smearing substantially circular spots into oblong spots as the pattern of spots is printed onto the porous substrate until the oblong spots partially overlap. The smearing is achieved by operating a printing screen at a surface speed higher than a draw rate of the porous substrate. Alternatively, the step of enlarging the pattern of spots includes calendering through a fixed gap the porous substrate after the pattern of spots is coated thereon.
Patent CA-2296725-A1 (CA)
Inventor: CARRY JEAN-CHRISTOPHE
IPC: C07D405/14
Filed: 1998-07-15
Abstract: Disclosed are polyhydroxybutylpyrazines of the general formulaIncluding their isomers, racemates, enantioners and salts thereof, as well as processes for preparing these compounds and medicaments containing them.
Patent CA-2296993-A1 (CA)
Title: Installation for moving persons from a mountain station into a valley station
Inventor: ALBRICH REINHARD
IPC: B61B9/00
Filed: 2000-01-18
Abstract: The installation for moving persons from a mountain station to a valley station has a supporting cable which is guided via supporting pylons or the like. Carriages, to which there are attached transport assemblies, can be displaced along the supporting cable. Each transport assembly accommodates at least cane person. The transport assembly may be a cabin, a chair, a supporting harness, or the like. A supporting and guide rail is fastened on the supporting cable and the carriage can be displaced along the supporting and guide rail from the mountain station into the valley station.
Patent CA-2299838-A1 (CA)
Inventor: SCHWARZ WALTER
IPC: E02D29/14
Filed: 2000-02-23
Abstract: A device for covering manholes and a separation device for removing manhole covers are provided. A setting mechanism having a lift element is provided for adjusting a cover portion.
Patent CA-2300907-A1 (CA)
Inventor: KOELEMEIJER EWALDUS BERNARDUS
IPC: B64F1/36
Filed: 1998-08-28
Abstract: An apron for parking and dealing with aircraft comprises a hardened, reinforced support layer (1) and an additional covering layer (2) which is arranged on the said support layer. Conduits, channels, tunnels or pits may be arranged within the thickness of the covering layer in order to supply fuel, electric current, drinking water, compressed air, preconditioned air or oxygen and other facilities and to discharge rainwater and waste liquid. Moreover, folding platforms, telescopically extendable pylons, a fuel-feed robot, a conveyor belt for loose baggage and the like may be accommodated in the covering layer.
Patent CA-2301747-A1 (CA)
Inventor: FORTON ARTHUR
IPC: A61C13/275
Filed: 1998-08-25
Abstract: The invention concerns a method for making a bridge and a device forming a set of elements or kit for implementing said method. The set comprises at least one crosspiece (2) including at least at one of its ends (13) fixing elements (5) for anchoring it in the teeth (3, 4) forming the pillars of the bridge (1), thereby constituting an I-shaped frame. The set may comprise an articulation element at the end or at the middle of the crosspiece for receiving a pivot element to form an L-shaped or T-shaped frame. Preferably the crosspieces have lateral trapezoid denticulations. The roughness of the surface results from photo-etching a screen with acid.
Patent CA-2304237-A1 (CA)
Title: Improvements in and relating to roofing or sheathing
Inventor: ROSS JAMES CAMERON
IPC: E04D3/365
Filed: 1999-02-09
Abstract: A sheet metal exterior sheathing element particu1arly suitable as a roofing tile. The tile has inter-engageable channels on its opposing longitudinal sides, one channel (6, 7) being on the underside and the channel (9) on the upperside of the tile. A mounting tab (10) extends from adjacent the upperside channel (9) substantially co-p1anar to the body of the tile. The channels enable two tiles (1a, 1b) to be joined in an over1apping side by side re1ationship with their corresponding channel sections engaged. Each tile (1a, 1b) can be fixed to a supporting structure by their mounting tabs (10). A third tile (1c) can then be joined longitudinally of the first two tiles (1a, 1b) by engaging its underside channel (6) over and about their joined upperside channel sections (9). It can also be fixed to the supporting structure and the steps repeated to sheath a desired area.
Patent CA-2304505-A1 (CA)
Inventor: POIRIER JUDES
IPC: A61P25/28
Filed: 1998-09-24
Abstract: L'invention concerne une méthode permettant de ralentir l'évolution d'une maladie neurodégénérative chez des patients en leur administrant des doses thérapeutiquement efficaces d'un composé pouvant augmenter les taux d'ApoE (apolipoprotéine).
Patent CA-2305787-A1 (CA)
Inventor: SALARI HASSAN
IPC: C07K14/52
Filed: 2000-05-09
Abstract: In accordance with various aspects of the invention, CXCR4 antagonists may be used to treat hematopoietic cells, such as progenitor or stem cells, to increase the rate of cellular multiplication or DNA synthesis .  CXCR4 antagonists may be used therapeutically to stimulate hematopoieti c cell multiplication, particularly progenitor or stem cell multiplication, in  human diseases such as cancer.
Patent CA-2308303-A1 (CA)
Title: Conditional purchase offer (cpo) management system for collectibles
Inventor: VAN LUCHENE ANDREW S
IPC: G07F9/02
Filed: 1998-11-04
Abstract: A collectible conditional purchase offer (CPO) management system (100) is disclosed for receiving and processing individual CPOs from buyers for one or more collectibles, such as coins, stamps, art prints, comic books, etc. The collectible CPO management system processes each received CPO in the collectible CPO central controller (200) to determine whether one or more sellers (130, 140) are willing to accept a given collectible CPO.
Patent CA-2309958-A1 (CA)
Title: Thermally activated calibration system for chemical sensors
Inventor: DILGER JOHN PATRICK
IPC: G01M3/00
Filed: 1998-10-22
Abstract: A device for remotely calibrating leak sensors. A supply of liquid analyte calibrant is stored in a reservoir, and is communicated to an outlet nozzle by a conduit having a throughbore. The conduit terminates in an outlet nozzle, and portion of the conduit defines a dosing chamber for storing a measured dose of the liquid calibrant. A thermal activator such as a resistive coil or a radio frequency unit is disposed adjacent the dosing chamber for applying a steep thermal gradient in order to bring the calibrant quickly to its boiling point such that the measured quantity is ejected from the outlet nozzle.
Patent CA-2310449-A1 (CA)
Title: A container for foodstuffs
Inventor: RICHARDSON SEAN ANTHONY
IPC: B65D47/08
Filed: 1998-11-11
Abstract: The invention provides a container (2) with a container shroud (1) which has a base (4) and a top (3) and at least the top (3) is made of plastic and has a reclosable discharge aperture (23), with the top (3) having a lower circumferential edge (26) to connect the top (3) with the container shroud (1), and the discharge aperture (23) being covered by a cap (24) which is connected to the top (3) by film hinge (25) located in the vicinity of the highest-point on the top (3) characterised in that the top (3) is substantially convex in form and the cap (24) is substantially concave in form and wherein the cap when in it's open form can be laid against the top (3) and in this state the cap (24) is largely congruent with the surface of the top (3). The container (2) has particular application in the packaging of foodstuffs.
Patent CA-2314375-A1 (CA)
Title: Thin film resonator apparatus and method of making same
Inventor: WONG YIU-HUEN
IPC: H01L41/316
Filed: 2000-07-24
Abstract: A thin film resonator (TFR) is produced with an improved piezoelectric film which is epitaxially grown on a growing surface, resulting in a piezoelectric film with less grain boundaries. Epitaxial growth refers to the piezoelectric film having a crystallographic orientation taken from or emulating the crystallographic orientation of a single crystal substrate or growing surface. For example, by epitaxially growing a piezoelectric film on a single crystal silicon substrate as the growing surface, an improved piezoelectric film is produced with little or no grain boundaries. In accordance with another aspect of the present invention, a method of making a TFR is disclosed in which the piezoelectric film is grown on a substrate.  Subsequently, a portion of the substrate is removed, and the electrodes are deposited on either side of the piezoelectric film.
Patent CA-2314944-A1 (CA)
Title: Multicommodity flow method for designing traffic distribution on a multiple-service packetized network
Inventor: RAMAKRISHNAN KAJAMALAI GOPALAS
IPC: H04L12/56
Filed: 2000-08-03
Abstract: A method is described for solving traffic engineering problems in a network In one aspect, the invention is used in a network that has at least one QoS  service class and at least one class of service that is not a QoS class. Bandwidth is allocated to service routes in the QoS service class so as to optimize a figure of merit such as network revenue. Then a new allocation is made so as to minimize network usage without departing too far from the optimal value of the figure of merit. A  residual network consists of that bandwidth that remains unallocated, on each link of the network. Bandwidth for non-QoS traffic is allocated to mutes on the residual network.  In a second aspect, the invention involves the use of optimization techniques to allocate bandwidth among service routes in one or more service classes in response to a set of demands in each class. The demands are calculated so as to take into account an effective bandwidth associated with the pertinent class, and so as to make allowance for the stochastic behavior of the traffic demands that occur in practice.
Patent CA-2315758-A1 (CA)
Title: Noise cancellation circuit and quadrature downconverter
Inventor: MATHE LENNART KARL-AXEL
IPC: H03M3/02
Filed: 1999-01-11
Abstract: A noise cancellation circuit and quadrature downconverter for use in conjunction with a bandpass receiver. The noise cancellation comprises at least one bandpass decimator and a summer. The output from each loop of a sigma-delta analog-to-digital converter (.SIGMA..DELTA.  ADC) is provided to a respective bandpass decimator. Each bandpass decimator comprises an error cancellation filter, a bandpass filter, and a decimator. The transfer functions of the error cancellation filter and bandpass filter are convolved to provide the transfer function of the bandpass decimator. The filtered signal is then decimated by N. The decimation by N can be incorporated within the bandpass decimator such that the bandpass decimator operates at 1/N of the frequency of the ADC  sampling clock. The signals from all bandpass decimators are summed together and the resultant IF samples are provided to two multipliers which downconvert the IF samples to I and Q baseband samples with an inphase and a quadrature sinusoid, respectively. The baseband samples are lowpass filtered to further remove quantization noise and undesirable signals. The center frequency of the analog input signal, the ADC sampling clock, and the decimation by N can be selected such that an image of the input signal appears at 0.25f s, where f s is the sample rate of the decimated samples.
Patent CA-2317658-A1 (CA)
Title: Acier pour roulements presentant une excellente resistance au roulement
Inventor: GOTOH MASAO
IPC: C22C38/60
Filed: 1999-10-28
Abstract: L'invention concerne un acier pour roulements présentant une excellente résistance au roulement et permettant de réaliser un élément pour paliers du type roulement à galets et roulement à billes. Cet acier contient entre 0,95 et 1,1 % en masse de C, entre 1,6 à 3,5 % en masse de Cr, jusqu'à 0,0015 % en masse de O, jusqu'à 0,001 % en masse de Sb, ainsi que les composants résiduels du Fe et des impuretés inévitables. Cet acier peut également contenir l'un au moins des composants d'un groupe constitué de jusqu'à 2,5 % en masse de Si, jusqu'à 2,5 % en masse de Mn, jusqu'à 2,5 % en masse de Mo, jusqu'à 3 % en masse de Ni, jusqu'à 1,5 % en masse de Nb, jusqu'à 1,5 % en masse de V, jusqu'à 2 % en masse de Cu et jusqu'à 0,08 % en masse d'Al.
Patent CA-2318467-A1 (CA)
Inventor: BARTLETT GARY F
IPC: B32B7/022
Filed: 1998-12-29
Abstract: A foot mat is composed of a plurality of elongated rail members (20) arranged closely adjacent each other with a gap between each adjacent pair of rail members. Each rail member is of uniform cross section along its length and includes a body portion (22) and a pair of spaced-apart dependent leg portions (27). An elongated tread member (100, 104, 106, 108 or 110) is received on the upper surface of each rail member. Each adjacent pair of rail members is joined by an extruded plastic connector member (30) that has a connecting web portion (32) and a pair of generally U-shaped socket portions (38). Each leg portion of each rail and each socket portion of each connecting member are configured to snap-fit together and have interengaging shoulders (27s and 38s) that are configured to retain the leg portion in the socket portion. Each rail member has a pair of laterally spaced-apart dependent elongated anchor tab portions (28), each of the anchor tab portions engaging a socket portion of one of the two connector members to which the rail member is coupled and having been plastically deformed to grip the socket portion so as to prevent longitudinal displacement of the rail member relative to the two connector members.
Patent CA-2318868-A1 (CA)
Title: Chemical agent for improving the engineering properties of soil
Inventor: COHEN JOSY
IPC: C04B28/14
Filed: 1999-04-15
Abstract: A chemical agent for improving the engineering properties of soil comprising a mixture of cementitious pozzalans (5 to 60 % by mass), calcium sulphate (20 to 80 % by mass), an oxide of calcium (15 to 50 %  by mass) and silica oxide (1 to 30 % by weight).      Monofilament fibres can also be included in the mix.
Patent CA-2321921-A1 (CA)
Inventor: MANLOVE STEVEN F
IPC: B29C48/08
Filed: 1999-02-19
Abstract: This invention is an improved thermoforming process and apparatus for the production of rigid plastic containers. The apparatus employs a molten sheet (5) of thermoplastic material that is processed through two extrusion rolls (7), thermoformed on the periphery of a rotating form tool, mechanically ejected from the form tool (8), conveyed to a conventional punch press (12) where the formed articles are trimmed from the sheet then packaged for shipment. The operation of the extruder (3), extrusion rolls (7), forming wheel (8), mechanical ejection (9) and trim stations (10) are operated as a continuous, integrated system.
Patent CA-2322111-A1 (CA)
Title: Stable, high available halogen 1,3,5-triazine-2,4,6-trione compositions having rapid dissolution rates
Inventor: ENGRAM MICHAEL
IPC: A01N43/64
Filed: 2000-10-02
Abstract: Dry, stable, high available halogen sanitizing granular compositions with a rapid rate of dissolution comprising halogenated 1,3,5-triazine-2,4,6-triones and a dissolution accelerant that is an alkali metal salt of 1,3,5-triazine-2,4,6-trione are disclosed. The disclosed compositions may include inorganic and/or organic disintegration agents. Additionally, these compositions may contain other performance enhancing additives such as water clarifiers, algaestats/algaecides, surfactants, glidants, processing aids, and binders. These UV stable sanitizing compositions contain a high available halogen content, and are stable even when stored in high-humidity environments.
Patent CA-2327779-A1 (CA)
Title: Display techniques for three-dimensional virtual reality
Inventor: EDMARK JOHN T
IPC: G06T15/20
Filed: 2000-12-07
Abstract: Display techniques to deal with viewpoint changes such as, so-called "pyramidic panel structures" are employed to adjust the image's vanishing point(s) in accordance with the movement of the user, such structures have the disadvantage that they work primarily for so-called "corridor-like" two-dimensional images. I have recognized that, in accordance with the principles of the invention, viewpoint changes may be also dealt with by partitioning the two-dimensional image into polygon partitions, each corresponding to a surface being depicted in the image, and then coupling the vertices of the polygon partitions with the movement of the user so as to limit distortions. In this latter approach, two-dimensional images are not treated as a perspective, corridor-like image, thereby allowing a wider variety of two-dimensional images to be used with the present invention.
Patent CA-2329059-A1 (CA)
Title: Charge motion control valve in upper intake manifold
Inventor: BOURCIER MARK
IPC: F02B31/08
Filed: 2000-12-19
Abstract: An internal combustion engine with charge stratification and directed air flow is provided. A charge motion control valve is positioned in the upper intake manifold and bifurcated intake ports are utilized in the cylinder head which direct the air flow into one intake port when desired. This provides improved engine performance, emissions, and fuel economy with easier packaging and consequently reduced cost.
Patent CA-2331207-A1 (CA)
Title: Outboard engine system
Inventor: IKUMA TOMONORI
IPC: B63H21/38
Filed: 2001-01-16
Abstract: An outboard engine system includes a 4-cycle engine . The engine includes an engine block, a cylinder head coupled to the engine block and having an intake port in one side thereof, a carburetor including a carburetor body disposed on one side of the engine block adjacent the intake port and having an intake passageway, and a bypass-type starting device mounted to the carburetor body, and an intake pipe means which connects the intake passageway and the intake port to each other. At least an upper half of the engine including the carburetor is covered with an engine cover. In such outboard engine system, the bypass-type starting device of the carburetor is mounted to the carburetor body between the intake passageway and the engine block. Thus, it is possible to achieve both of low-speed and high-speed performances and at the same time, to enhance the accuracy of an air-fuel ratio and provide a reduction in fuel consumption and an enhancement in nature of the exhaust gas, and moreover, to avoid an increase in size of the engine cover.
Patent CA-2332214-A1 (CA)
Inventor: THOMPSON DAVID DUANE
IPC: A61K31/517
Filed: 2001-01-24
Abstract: This invention relates to methods, pharmaceutical compositions and kits useful in promoting bone formation and/or preventing bone loss and lowering blood cholesterol. The compositions are comprised of an estrogen agonist /  antagonist as a first active component and a statin as a second active component and a pharmaceutically acceptable vehicle, carrier or diluent. The compositions and methods of treatment are effective while substantially reducing the concomitant liability of adverse effects associated with estrogen administration.
Patent CA-2332931-A1 (CA)
Title: The treatment of renal colic with gaba analogs
Inventor: ANGELLO JAMES T
IPC: A61K31/00
Filed: 1999-07-08
Abstract: The instant invention is a method of using certain analogs of glutamic acid and gamma-aminobutyric acid to relieve the pain associated with renal colic.
Patent CA-2333401-A1 (CA)
Title: Reduction of hair growth using inhibitors of matrix metalloproteinases
Inventor: STYCZYNSKI PETER
IPC: A61K8/49
Filed: 1998-06-01
Abstract: Mammalian hair growth is reduced by inhibiting the activity of a matrix metalloproteinase in the skin.