baber/WOPTO huggingface dataset:
Patent CA-2253301-A1 (CA)
Title: Hydrogen sulphide pretreatment of lignocellulosic material in continuous pulping processes
Inventor: NILSSON BENGT
IPC: D21C11/04
Filed: 1997-04-24
Abstract: A method of continuously producing paper pulp by integrating the process steps of impregnating fiber material and boiling the impregnated fiber material, the boiling being commenced with digesting liquor containing white liquor of high sulphidity. According to the invention the process includes a pretreatment of the fiber material in a tank (1) with a liquid containing alkali metal bicarbonate and alkali metal hydrogen sulphide. The pretreatment liquid is brought into contact with the fiber material under reducing pressure, whereby, through the pressure reducing and under the influence of heat in situ, said compounds from H2S, CO2 and alkali metal carbonate so that a part of the H2S and HS- formed is absorbed by or diffused into the fiber material, while said CO2 is withdrawn from the tank. A liquor is formed during the pretreatment, which contains said alkali metal carbonate and which is withdrawn from the fiber material.
Patent CA-2254518-A1 (CA)
Title: Veneer reeling apparatus
Inventor: KOIKE MASARU
IPC: B27L5/00
Filed: 1998-11-26
Abstract: A veneer reeling apparatus for winding a veneer sheet round a freely rotatable take-up reel into a veneer roll is disclosed herein. Veneer sheet is transferred by a plurality of spaced conveyer belts which include two groups of such belts and extending below the take-up reel. Air cylinder is provided for each belt to provide a first force to urge the belt toward the take-up reel so as to keep the belt in resiliently pressing contact with the veneer roll. The air cylinders are operable to changeably provide the first force to one group of belts and a second force, which is smaller than said first force, to the other group of belts, and vice versa. A control is provided to effect alternate changing between the first and second pressures in the first and second groups of belts whenever the belts have moved a predetermined distance.
Patent CA-2256990-A1 (CA)
Inventor: STOHR ANDREAS
IPC: C08L77/00
Filed: 1998-12-18
Abstract: Flat material comprising at least two uncrosslinked, thermoplastic, cholesteric,liquid-crystalline, main-chain polymers which differ in the pitch of their cholesteric helices, the material reflecting all wavelengths of the visible spectrum and having a mixing gradient of the main-chain polymers which proceeds perpendicularly from the surface of the material.
Patent CA-2258348-A1 (CA)
Inventor: SELKOE DENNIS J
IPC: A61K38/00
Filed: 1997-06-18
Abstract: This invention provides methods of screening compounds for their ability to alter the production of A.beta. (x41) alone or in combination with A.beta. (x40). The methods involve administering compounds to cells, specifically measuring the amounts of A.beta. (x40) and A.beta. (x41) produced by the cells, and comparing these amounts to that produced by the cells without administration of the compounds.
Patent CA-2258955-A1 (CA)
Title: Test and training device and method
Inventor: ARNESSON ULF
IPC: A63B21/078
Filed: 1997-06-26
Abstract: A testing and training appliance and a method of testing and/or training with a testing and training appliance that includes a loading device (5), a stand (2, 3) adapted to accommodate the loading device (5), a maneuvering arrangement (11, 12, 13) connected to the loading device (5), a connecting element (6, 7) disposed between the loading device (5) and the maneuvering arrangement (11, 12, 13), and a controlling and regulating unit (14) adapted for testing and/or training purposes. The loading device (5) can be regulated between an upper position and a lower position with the aid of the maneuvering arrangement (11, 12, 13) and the connecting element (6, 7) of said loading device. The test object is registered and settings relating to load, number of measurements, and the starting and turning position of the loading device are implemented, wherewith the loading device (5) is regulated in accordance with a given movement pattern between the starting position and stop position subsequent to starting the appliance.
Patent CA-2258983-A1 (CA)
Title: Tire pressure control system
Inventor: KIS JANOS
IPC: B60C23/00
Filed: 1999-01-27
Abstract: A tire pressure control system and method includes a pneumatic control uni, a pressure sensor, a rotary seal associated the tire and with a wheel valve rotating with the tire). The system is connected to a compressed air source and the control unit is connected through a connecting line and the rotary seal with the wheel valve. The position of the wheel valve is a function of the pressure in the connecting line. To inflate and vent a tire and to reduce the number of components, the wheel valve has a closed position, an open position wherein a connection is established between the control unit and the tire, and a venting position that opens to the atmosphere. The wheel valve is maintained in its open position as long as an inflation pressure exists in the connecting line. It moves into its venting position as long as the pressure in the connecting line that exceeds the inflation pressure by at least a pre-determined value. It moves into its closed position when a closing pressure exists in the connecting line which is less than the inflation pressure by at least a pre-determined pressure difference.
Patent CA-2263865-A1 (CA)
Title: Black leaf tea
Inventor: HUMPHREY PHILIP GRAHAM
IPC: A23F3/14
Filed: 1997-10-29
Abstract: A leaf tea comprising a blend of a first substantially fermented tea with a second substantially unfermented tea, characterised in that the blend contains catechins and phenols in a ratio of between 0.15 to 0.4, but preferably between 0.2 to 0.3. Such a product resembles black tea but typically possesses an antioxidant activity that is 10 % or more higher than that of the same mass of the black tea alone. The black tea is preferably low grown while the green tea is preferably from an Assam jat.
Patent CA-2264069-A1 (CA)
Title: Expansion clamping chuck
Inventor: MUELLER JOACHIM
IPC: B23B31/30
Filed: 1997-08-22
Abstract: An expansion clamping chuck is disclosed for clamping at the same time a tool shaft and a hollow tool part, for example a bevelled bush. A massive chuck body (1) which can be clamped in the working spindle of a machine-tool has in its clamping part (4) a central bore (5) for receiving the tool shaft (6) to be clamped, and an outer clamping surface (13) for retaining the hollow tool part (14). An elongated ring-shaped chamber (7) filled with an incompressible medium is arranged inside the clamping part (4) of the chuck body (1) coaxially to the bore (5) and to the outer clamping surface (13). An hydraulic inner pressure in the ring-shaped chamber elastically deforms both its circumferential walls radially inwards for clamping the tool shaft and radially outwards for clamping the hollow tool part (14).
Patent CA-2265280-A1 (CA)
Title: Batterie d'accumulateurs alcaline
Inventor: NISHIO KOJI
IPC: H01M4/52
Filed: 1999-03-12
Abstract: Cette invention concerne une pile rechargeable alcaline comprenant une électrode positive, une électrode négative à base de zinc, et une solution électrolytique alcaline, dans laquelle l'électrode positive inclut une cavité centrale destinée à recevoir l'électrode négative à base de zinc, et l'électrode négative inclut une cavité centrale destinée à contenir la solution électrolytique alcaline. La pile est agencée de sorte que l'électrode positive présente une capacité inférieure à l'électrode négative, au moins dans une période de charge/décharge initiale.
Patent CA-2266381-A1 (CA)
Title: Method of throttle-valving control for the co-extrusion of plastic materials as for molding and the like, and apparatus therefor
Inventor: SWENSON PAUL
IPC: B29C48/18
Filed: 1996-12-06
Abstract: A novel multiple-plastic stream co-extruder and method, as for injection-molding cavities, in which the extruder is internally provided therewithin and therealong with a restrictor or throttle pin, rod or element that forces combined plastic material streams, formed with an interior core stream encased in outer and inner stream layers, into corresponding concentric annular flow stream layers that are ultimately split transversely in opposite directions into a cavity gated to the extruder, and with the core stream at a region of zero gradient in the transverse flow velocity profile within the extruder and cavity.
Patent CA-2267574-A1 (CA)
Title: Communication apparatus, data rewrite method and data download method
Inventor: BANDO TATSUO
IPC: G06F11/00
Filed: 1999-03-30
Abstract: A download decision section decides whether or not an electronic mail received by a mail communication section is a DL instruction message indicative of an instruction for downloading a program. A notification/instruction section puts on a light of a lamp when the download instruction message is received, and outputs a download execution instruction when a confirmation button with lamp is pushed down. A DL execution section executes a download of the program according to a download execution instruction. The download execution section generates a download request message to a downloaded data storage server via the mail communication section, and extracts the program from a program attached electronic mail transmitted from the downloaded data storage server.      Accordingly, it is possible to make a rewrite of data easier and to process various types of data.      The above-mentioned processing thus facilitates a rewrite of data and enables various types of data to be processed.
Patent CA-2268694-A1 (CA)
Title: Fuel cell anode for the oxidation of methanol
Inventor: WENDT HARTMUT
IPC: H01M4/90
Filed: 1999-04-14
Abstract: The invention relates to a fuel cell anode for the oxidation of methanol, which contains at least one platinum metal or alloys of platinum metals as the primary, catalytically active component. The anode is characterised in that it also contains transition metal complexes of phthalocyanine or substituted phthalocyanines as cocatalyst, these amplifying the catalytic effect of the platinum metals and their alloys for the anodic oxidation of methanol.
Patent CA-2269911-A1 (CA)
Title: Manufacture of paper
Inventor: GREENWOOD GRAHAM
IPC: F02C7/045
Filed: 1997-03-11
Abstract: Starch is added to the thinstock in a papermaking process in the form of a coagulated slurry containing undissolved starch particles, cationic polymeric flocculant and anionic microparticulate network agglomeration aid, such as bentonite. The flocculant and agglomeration aid interact to give network flocculation in which the starch particles are trapped. Improved retention of the starch in the resulting paper is achieved.
Patent CA-2271389-A1 (CA)
Inventor: COHEN BERNARD
IPC: D21H11/04
Filed: 1997-12-05
Abstract: Disclosed is a peel pack paper having a Gurley porosity of greater than 20 seconds/sheet. The paper includes a) from about 45 to about 65 %, by weight, of substantially fully bleached eucalyptus Kraft pulp fibers; b) from about 10 to about 45 %, by weight, of a blend of substantially fully bleached softwood Kraft pulp fibers and substantially fully bleached hardwood Kraft pulp fibers wherein the softwood Kraft pulp fibers comprise at least 90 %, by weight, of the blend; and c) from about 10 to about 30 %, by weight, of reinforcing fibers. Importantly, substantially all of the fibers of the paper are coated with a dielectric material with the coating having an average thickness of less than 1 micron. In some embodiments, the coated paper is subjected to an electret treatment to instill a charge in the dielectric material.
Patent CA-2271502-A1 (CA)
Title: Apparatus for measuring the temperature of a fluid flow
Inventor: HAUSER ERNEST M
IPC: G01K13/02
Filed: 1993-10-05
Abstract: An apparatus for measuring temperature of a flowing fluid in a pipe. The apparatus includes a mechanism for actively testing the flowing fluid with acoustic energy and producing a test signal corresponding to the temperature of the fluid. The testing mechanism is disposed on the outside of the pipe and acoustic energy follows a path through the pipe wall. Additionally, the apparatus includes a signal processing mechanism for determining the temperature of the fluid based on the test signal. The testing mechanism is in communication with the signal processing mechanism.
Patent CA-2272687-A1 (CA)
Inventor: MCMAHON MICHAEL J
IPC: B65B9/20
Filed: 1999-05-25
Abstract: A slide zipper assembly comprising an interlocked zipper and a slider is provided. The zipper has a first profile and a second profile. The profiles have arms ending in hooks that are engaged when the zipper is in a closed position. The slider is disposed for movement along the zipper. The slider has an opening end and a closing end. At the opening end the slider has a separator that extends downwardly to engage a profile arm to bend the same so that its hook disengages from the hook of the opposite profile.
Patent CA-2273365-A1 (CA)
Title: System manager with hypertext control interface for interactive cable television system
Inventor: SOSKE JOSHUA W
IPC: H04N7/173
Filed: 1997-12-09
Abstract: The present invention provides a system manager for use with an interactive cable system. The cable system has (i) an information service network for delivering information services to subscriber televisions, (ii) a plurality of home interface controllers, each home interface controller associated with a subscriber television and having a data transceiver operative over a data communications link to the headend, (iii) a plurality of subscriber selection devices, each such device associated with a home interface controller and in communication with the data transceiver thereof, for permitting subscriber interaction, and (iv) a plurality of interactive controllers, disposed at the headend, each interactive controller in assignable television communication over the network with a subscriber television and in data communication with a subscriber selection device.
Patent CA-2274954-A1 (CA)
Title: Sulfonamide and carboxamide derivatives and drugs containing the same as the active ingredient
Inventor: NAGAO YUUKI
IPC: C07D333/38
Filed: 1997-12-12
Abstract: Sulfonamide and carboxamide derivatives represented by general formula (I) wherein the rings A and B represent each a carbocycle or a heterocycle; Z1 represents -COR1, -CH=CH-COR1, etc.; Z2 represents H, alkyl, etc.; Z3 represents a single bond or alkylene; Z4 represents SO2 or CO; Z5 represents alkyl, phenyl, a heterocycle, etc., R2 represents CONR8, O, S, NZ6, Z7 -alkylene, alkylene, etc.; R3 represents H, alkyl, halogeno, CF3, etc.; R4 represents H, optionally substituted alkyl, etc., and n and t are each from 1 to 4. The compounds of general formula (I) bind to PGE2 receptors and exert an antagonism or agonism thereto. Thus, they are applicable to drugs having the effects of inhibiting uterine muscle contraction, analgesia, inhibiting digestive tract movement, hypnosis, enlarging vesical capacity, contracting the uterine, promoting the digestive tract movement, suppressing the secretion of gastric hydrochloric acid, lowering blood pressure, or diuresis.
Patent CA-2280633-A1 (CA)
Title: Aspartic protease inhibitors
Inventor: BAURES PAUL W
IPC: A61K31/41
Filed: 1999-08-24
Abstract: The present invention is directed to aspartic protease inhibitors, in particular to HIV protease, renin, pepsin and cathepsin D inhibitors.  Inhibitors of the present invention have a 3 to 12-membered heterocyclic core containing at least two heteroatoms which interact with the carboxyl groups of the aspartic acid residues in the active site of the protease to inhibit the action thereof.
Patent CA-2282092-A1 (CA)
Inventor: WINISTORFER PAUL MICHAEL
IPC: G01B11/06
Filed: 1999-09-14
Abstract: A process and system for obtaining a thickness swell measurement of a wood composite material sample. The process includes placing a measurement pattern on an edge of a wood composite material sample, the measurement pattern including layers having a thickness; measuring the thickness of at least one of the layers of the measurement pattern prior to exposing the wood composite material sample to a thickness swell-inducing condition; exposing the wood composite material sample to a thickness swell-inducing condition; and re-measuring the thickness of the at least one layer after exposing the wood composite material sample to a thickness swell-inducing condition to thereby obtain a thickness swell measurement for the wood composite material sample. Representative wood composite materials include medium density fiberboard (MDF), oriented strandboard (OSB) and particle board.
Patent CA-2282994-A1 (CA)
Title: Combined fiber containers and payout tubes and plastic payout tubes
Inventor: KOTZUR FRANK W
IPC: B65H54/76
Filed: 1999-09-21
Abstract: A payout tube is described for insertion in a radial hole of a wound coil of filamentary material and extending from the inner to the outer wind of the wound coil. The tube comprises an entrance opening and exit opening. The two are in coaxial and spaced relationship with each other. The size of the entrance and exit openings is greater than the normal openings for the entrance and exit openings as determined by the REELEX method of winding of the filamentary material. A flange member surrounds the exit opening for engaging a panel for a container retaining the wound coil.
Patent CA-2283211-A1 (CA)
Inventor: NIEWOEHNER ULRICH
IPC: A61K31/505
Filed: 1998-02-26
Abstract: Des dérivés de 1,5-dihydro-pyrazolo[3,4-d]-pyrimidinone sont obtenus par condensation de l'hétérocycle de pyrimidinone sur les pyrazoles substitués de manière appropriée. Ces composés s'utilisent comme principes actifs dans des médicaments, notamment dans des médicaments employés dans le traitement de maladies cardio-vasculaires et cérébro-vasculaires, de maladies périphériques des vaisseaux, ainsi que dans des affections de l'appareil génito-urinaire.
Patent CA-2283827-A1 (CA)
Inventor: SHIBATA MINORU
IPC: A61F2/958
Filed: 1999-01-14
Abstract: A tube introduction implement for ensuring a safe and positive route for body liquid draining and liquid medicine/nutrient injecting to/from a lumen and organ, more specifically, a balloon catheter (5) that does not rupture even when punctured and a medical tube introduction implement including this catheter, mainly comprising the above catheter, a ultrasonic probe (6), a puncturing needle (7), a guide wire (8), a dilator (9), a sheath (10) and an indwelling catheter (11).
Patent CA-2291823-A1 (CA)
Title: Method and apparatus for detecting flaws in strip, method of manufacturing cold-rolled steel sheet and pickling equipment for hot-rolled steel strip
Inventor: SHIMIZU MASUTO
IPC: G01N29/24
Filed: 1999-12-07
Abstract: A flaw detecting method and apparatus for continuously testing a strip that is continuously carried through a liquid includes features for reducing air bubble generation in a liquid. The apparatus includes a liquid, carrying rolls for passage of the strip through the liquid, and ultrasonic testing probes arranged in the liquid for testing the strip. A carrying roll in contact with the liquid is fully immersed. Air bubble generation is inhibited to improve the testing reliability by at least one of (a) shielding the liquid dropping from the portion of the strip leaving the liquid, (b) reducing the dropping force of the liquid onto the liquid surface by inclining the strip, (c) installing the fully immersed carrying roll at a depth of at least 5 mm in the liquid, and (d) using a carrying speed of less than about 200 m/min. Upon manufacturing steel strips, testing is carried out in the stage of hot-rolled steel sheet, or, preferably, in pickling equipment.
Patent CA-2292898-A1 (CA)
Title: Bacterial pheromones and uses therefor
Inventor: YOUNG DANIELLE I
IPC: C07K14/195
Filed: 1998-06-03
Abstract: RP-factors, their cognate receptors, convertases, respective genes and inhibitors or mimetics thereof are described. In particular, antibodies, pharmaceutical compositions and (therapeutic, diagnostic) methods based on the RP-factors and their receptors/convertases are described.
Patent CA-2293398-A1 (CA)
Title: Combination counter-ejector shingle-output delivery system
Inventor: SCHENONE MICHAEL A
IPC: B65H31/30
Filed: 1998-06-26
Abstract: A system assembles and conveys a stream of plate-like workpieces (10) from a production system, such as a speciality box folder-gluer, to a strapping or tying system (27), as counted stacks (16). The system can be converted from counter-ejector mode, automatically counting and assembling workpieces (10) of approximately the same thickness at their leading and trailing edges into stacks (16) as they emerge from the production system, to a standard conveyor system, delivering a shingled stream of workpieces (10) that are thicker or thinner at the leading edge, to an assembly station for counting and stacking, either manually or automatically. The system is converted from one mode to the other to accommodate the particular characteristics of the workpieces (10) being produced. In an exemplary embodiment, specific mechanical accommodations are provided in the system to permit this conversion and specific setup steps are taken to accomplish the conversion.
Patent CA-2293560-A1 (CA)
Title: Simulation of computer processor
Inventor: SKOGBY STAFFAN
IPC: H04M3/32
Filed: 1998-06-12
Abstract: An instruction emulation system translates target instructions into emulation instruction for execution by a host processor. A jump table has pointer entries employed to locate, in a translation instruction memory, sets of translating instruction for generating emulation instructions executable by the host for each of the differing types of target instructions. In one embodiment, each of pointer entries in the jump table has an entry length which is no greater than the shortest target instruction length, thereby enabling the jump table to handle target instructions of non-uniform instruction length. For another embodiment in which the target instructions comprise blocks of target instructions, including signal-handling target instructions, the jump table is augmented by a jump table shadow memory which saves memory requirements for code complication. In another embodiment, the jump table memory is partitioned into segments corresponding to the blocs stored in the target instruction memory. Selected ones of the segments of the jump table memory are uncompacted in accordance with a recent utilization criteria and non-selected ones of the segments are compacted.
Patent CA-2294761-A1 (CA)
Title: Drive wheel
Inventor: BECH MOGENS ILSTED
IPC: B60B19/00
Filed: 1998-06-30
Abstract: A drive wheel (10) for travelling over a surface comprising a support member (12), a wheel member (11) and a drive shaft (24). The drive shaft (26) has a drive means engaging a drive surface on the wheel member to rotatably drive the wheel member relative to the support member. The drive shaft (24) also has a longitudinal axis and the engagement of the drive means and drive surface define in vertical cross section a line of engagement that is at an acute angle to the longitudinal axis. The wheel member (11) has a tread portion (28) extending about its periphery and positioned such that it is intersected by the line of engagement substantially where it contacts the surface. A chassis for vehicles such as wheel chairs having one or more drive wheels according to the invention is also described.
Patent CA-2295377-A1 (CA)
Inventor: SANDO KAZUHIRO
IPC: B41J2/04
Filed: 1995-12-15
Abstract: A method of producing an electron-emitting device includes the steps of forming a pair of electrodes and an electrically-conductive thin film on a substrate in such a manner that the pair of electrodes are in contact with the electrically-conductive thin film and forming an electron emission region using the electrically-conductive thin film, wherein the method is characterized in that a solution containing a metal element is supplied in a droplet form onto the substrate thereby forming the electrically-conductive thin film.