baber/WOPTO huggingface dataset:
Patent CA-2180001-C (CA)
Title: Ensemble de colonne
Inventor: HAGERLID PETER
IPC: B01D15/08
Filed: 1995-01-20
Granted: 2006-03-28
Abstract: On décrit une structure permettant l'adsorption/la désorption d'une substance sur un lit à travers lequel on fait passer un liquide, laquelle structure comprend: a) un réservoir (1) contenant un lit perméable aux liquides (2); b) un adaptateur inférieur (3) qui (A) est placé dans la partie basse du réservoir et constitue son fond et qui (B) possède un orifice (4) permettant l'admission/l'évacuation d'un liquide vers/depuis le fond du réservoir, lequel orifice (4) a également un système de distribution (5) dirigé vers le bas; c) un adaptateur supérieur (6) qui (A) est placé dans la partie supérieure du réservoir et qui (B) possède un orifice (7) permettant l'évacuation/l'admission d'un liquide depuis/vers la partie supérieure du réservoir, lequel orifice (7) est dirigé vers le lit (2) et possède un système de distribution (8) dans la même direction; et d) des moyens (23, 24) permettant la circulation de liquide vers ou depuis les adaptateurs (3, 6). Selon l'invention, l'adaptateur supérieur peut se déplacer verticalement dans le réservoir et possède une densité lui permettant de flotter sur le liquide traversant la colonne ou se trouvant à l'intérieur de celle-ci.
Patent CA-2180711-C (CA)
Title: Optical device having an optical film with an incident angle thereupon variable
Inventor: NAGANUMA NORIHISA
IPC: G02B26/08
Filed: 1996-07-08
Granted: 2000-03-21
Abstract: An optical device having a collimating mechanism for converting light emitted from an excitation port into a parallel beam and outputting the parallel beam onto an optical path, an optical film provided so as to pass the parallel beam output from the collimating mechanism, and a supporting mechanism for supporting the optical film so that the optical film is rotatable about an axis inclined with respect to the optical path.  The optical film is inclined with respect to a plane perpendicular to the axis.  An incident angle of the parallel beam upon the optical film can be changed by rotating the optical film about the axis.  Thus, the optical device having the optical film that can vary the incident angle thereupon can be provided with a simple structure.
Patent CA-2181719-C (CA)
Title: Web tension control system for a winding structure
Inventor: DOERFEL WALTER
IPC: B65H23/195
Filed: 1995-01-31
Granted: 2001-07-17
Abstract: A system to achieve a perfect winding structure during winding webs (1, 1', 1", ...) especially made of paper to get at least one ro ll (5, 5', 5", ...) on a winding machine, comprises means (8, 9) in order to ch ange the tension remaining in the wound web. The winding machine is of the supporting drum type with several supporting drums (2, 3) in order to carry and make rotating on at least one roll  (5, 5', 5",...) that is positioned in a winding bed (4) made by the supporting drums  (2, 3), at least one of these supporting drums preferab ly has an elastic flexible surface (2', 3'). The means (8, 9) for changing the tens ion remaining in the wound roll are working in that way,  that the tension of the web (1, 1', 1",...) first decreases at increasing roll diamet er of said at least one roll (5, 5', 5", ...) during an initial winding phase, then keeps approximately on the same level and, after winding further , decreases further at increasing roll diameter during a  final winding phase.
Patent CA-2191842-C (CA)
Inventor: STAV ELISHA
IPC: A62D1/00
Filed: 1995-05-24
Granted: 2001-08-07
Abstract: Une composition cimentaire utile pour des matériaux de construction résistant à l'eau, y compris des sous-couches de plancher, des panneaux de soutien, des matériaux de plancher autonivelant, des matériaux de réfection des routes, des panneaux de fibres, des pulvérisations d'ignifugation, des matériaux coupe-feu, comprend environ 30 % en poids à environ 75 % en poids de béta-semihydrate de sulfate de calcium, environ 10 % en poids à environ 40 % en poids de ciment Portland?, environ 4 % en poids à environ 20 % en poids de fumée de silice, et environ 1 % en poids à environ 40 % en poids d'une charge pouzzolanique.
Patent CA-2200744-C (CA)
Title: Endoscopic biopsy forceps jaws and instruments incorporating same
Inventor: FRANCESE JOSE L
IPC: A61B10/00
Filed: 1995-09-22
Granted: 2006-03-28
Abstract: Endoscopic biopsy forceps jaws (14) having an outer edge (33, 333, 433, 633, 833) which may be generally U-shaped, circular, or oblate circular are disclosed with a number of teeth (40-51, 240-250, 440-454, 540-533, 740-753) which extend along at least a portion of the outer edge where the peaks of the teeth are located upward and inward from the outer edge. In one embodiment, each tooth is defined by a substantially triangular inner surface (T), a substantially quadrilateral base (L1-L4), and a surface which extends outward and downward from the vertex of the triangular surface to the outer edge of the jaw. Valleys (40V-51V, 240V-250V, 440V-454V) between the teeth have two inclined surfaces which intersect along a line which extends inward and downward from the outer edge of the jaw. In a second embodiment, the peak of each tooth is defined by the vertex of a pyramid having four faces (T1-T4) and valleys between these teeth have three substantially flat surfaces (V1-V3) which intersect at a vertex (V4) which lies downward and inward from the outer edge of the jaw. Alternate embodiments of both the first and second embodiment of the jaws include providing a lip (133L, 333L, 833L) around the outer portion of the outer edge so that the teeth and valleys are spaced farther in from the outer surface of the jaw cup.
Patent CA-2202108-C (CA)
Inventor: WEI J J
IPC: F16K27/06
Filed: 1997-04-08
Granted: 2001-08-14
Abstract: The  Present  invention  is related  to an improved structure of a ball valve especially used in food, said ball valve  is a hollow  valve body.  A ball shape gate having penetrating  channel is installed  on the hollow crossing  portion  of said valve body.  A rotary buckle groove  is a installed  on the upper  end of said  ball shape gate. A rotary handle has a buckle plate which is projected  to the hollow crossing  portion of the valve body, they are engaged to combine  with said groove so presented  as an actuating portion for controlling  the rotation  of  said  ball  shape  gate, as well  as  the openings  on the right  and left rim end of said  valve body are installed with a drain preventing pad and seal ring, respectively, and then  the axle tube is combined on the left and right openings for screwedly  combining to form  as a integral  body, as  the  ball  valve  are assembled, the characterized in that:    said  valve  body  has an hollow  crossing  portion which is designed  with a tilting surface with a proper tilting angle, and the interface  is adjacent  with the center of the valve body so that the center portion  of said valve is a concave  drain  tank. and on the tilted upper side and lower side are installed  with a gas (or water) inlet  and  a gas  (water) output, respectively, which are penetrated through said drain tank, thus, the cleaning  of  said  ball  valve  may  be  performed  by introducing or draining vapor.
Patent CA-2205934-C (CA)
Title: Tissu composite non-tisse respirant
Inventor: LANGLEY JOHN D
IPC: A61B19/08
Filed: 1995-11-22
Granted: 2002-10-08
Abstract: La présente invention concerne un tissu composite non-tissé respirant (10) possédant la capacité de faire écran aux liquides biologiques, constitué d'au moins une couche non-tissée (12, 16) reliée à au moins une surface d'un film microporeux thermoplastique (14), ledit tissu composite (10) de la couche non-tissée pouvant faire écran: (a) au passage d'un liquide biologique lorsque ledit tissu est mis en contact avec du sang synthétique selon la procédure de test ASTM ES21-92; et (b) à la pénétration virale lorsque ledit tissu est mis en contact avec une suspension bactériophage ?174 à un titre de 108PFU/ml pendant une durée de 5 minutes sans pression appliquée, pendant 1 minute à une pression de 13.8 kPa (2.0 PSIG), et pendant 54 minutes sans pression appliquée tout en maintenant une humidité dont le taux de transmission de vapeur est supérieur à environ 450 grammes par mètre carré pendant une période de 24 heures à environ 75 ~C, ainsi qu'une humidité relative de 65 %.
Patent CA-2208242-C (CA)
Inventor: HARVEY LEONARD WILLIAM
IPC: C08K5/06
Filed: 1995-12-13
Granted: 2005-06-14
Abstract: An improved process for preparing free flowing tetrafluoroethylene (TFE) polymer powders is dislcosed in which a TFE polymer powder is (1) wetted with an aqueous solution containing a wetting agent selected from the group consisting of (a) ethylene glycol ethers, (b) propylene glycol ethers and (c) diols or triols, (2) agglomerated and (3) dried.
Patent CA-2208857-C (CA)
Title: Method of hot restarting a high intensity discharge lamp
Inventor: BYSZEWSKI WOJCIECH W
IPC: H05B41/38
Filed: 1997-06-24
Granted: 2005-04-12
Abstract: An apparatus and method for operating an arc discharge lamp which can be hot restarted is described. The method involves providing low microwave power after the lamp ballast is disconnected from the lamp. The microwave power is modulated such that conductivity is maintained within the lamp as the lamp cools. Restarting the lamp is accomplished by reconnecting the ballast at any time. In one embodiment, the apparatus of the invention includes an arc discharge lamp and ballast coupled together with a switch to turn the lamp on and off. A microwave power supply is connected in parallel with the ballast and is coupled to the lamp when the ballast is shut off.      The invention allows for hot restart of the arc lamp without requiring a high voltage pulse.
Patent CA-2210834-C (CA)
Title: Voice menu optimization method and system
Inventor: KESHAV SRINIVASAN
IPC: H04M3/50
Filed: 1997-07-17
Granted: 2000-04-18
Abstract: A method and system adaptively substitutes a single dialing button sequence for a selected action in a voice menu of a telephone system. A shortcut message in the voice menu prompts a caller to select a shortcut button to acheive a shortcut action. The system then accumulates counts related to frequencies of occurrence of a plurality of actions prompted by the voice menu. The system then ranks the plurality of actions by their respective accumulated counts and determines if any one of the plurality of actions has an accumulated count greater than an accumulated count of the shortcut action. If it does, then the system causes the substitution the one of the plurality of actions and a corresponding message for the shortcut action and the shortcut message in the voice menu.
Patent CA-2219695-C (CA)
Inventor: KOENIG JOSEPH M JR
IPC: E04F19/02
Filed: 1997-10-30
Granted: 2001-05-29
Abstract: For trimming a drywall corner, a drywall-trimming article has an elongate portion and two flange portions, which are extruded unitarily with the elongate portion from polyvinyl chloride. The elongate portion has an arcuate profile. Each flange portion has an array of apertures. One of the convex and concave surfaces defined by the central portion is covered substantially with discrete fibers, which adhere to the substantially covered surface but which do not cover the remaining surfaces of the central portion and of the flange portions. Such adhering fibers facilitate application of a coat of paint and texturization of the coat of paint over the substantially covered surface without separating the inner surfaces of the flange portions from the underlying drywall by any appreciable thicknesses due to such adhering fibers. The apertures are substantially free of such adhering fibers so that drywall-finishing material, when pressed onto the outer surfaces of the flange portions, can be thus pressed through the apertures, into intimate contact with the underlying drywall, without intrusion of said adhering fibers that could interfere with bonding between such material pressed therethrough and the underlying drywall.
Patent CA-2220888-C (CA)
Inventor: COLE CORA
IPC: A61H3/02
Filed: 1998-01-20
Granted: 2001-03-20
Abstract: The Adjustable Crutch is a device that allows the center foot of a standard pair of crutches to rotate, providing a walking and climbing length. A bracket and pin convert a standard crutch from one height to another. The bracket is attached to and pivots on one of the two legs of the crutch. In its closed position, the bracket extends across both supporting legs and the center foot, locking the foot in either its walking or climbing position. An axle pin extends through each leg and the foot and serves as the point of the foot's 180° rotation. The location of the axle pin on the foot determines the crutch's walking and climbing heights. When shortened, the Adjustable Crutch allows the user to climb stairs with his or her body weight in a natural, safe, forward inclination. Adjustable Crutch components can be incorporated in the original manufacture of a crutch or added as an accessory to standard, fixed-length crutches.
Patent CA-2226404-C (CA)
Inventor: MENENDEZ FERNANDO SITGES
IPC: C25C7/02
Filed: 1994-04-14
Granted: 2001-08-21
Abstract: A procedure and machine for cleaning the anodes of electrolytic  tanks,  said  procedure  comprising  the operations of mechanically breaking the deposits on the surfaces of the anodes,  detaching and separating the deposits, once broken, and then subjecting the plate of the anodes to a flattening operation.  The procedure is carried out with a machine which includes at least one pair of cutting rollers, nozzles for supplying jets of water under pressure situated above said rollers,  two flattening  plates  with  flat  opposing  surfaces,  and means of suspending and raising the anodes between the rollers,  nozzles  and  plates.    The  plates  may  be provided  on  their  opposing  surfaces  with  cutting grooves.
Patent CA-2230820-C (CA)
Title: Puncture-resistant barrier pouch
Inventor: KRAIMER AMY L
IPC: B65D33/16
Filed: 1998-02-27
Granted: 2007-03-27
Abstract: A puncture resistant barrier pouch for the packaging of bone-in-meat and other products. The pouch includes a body portion having a chamber and an open end, and a neck portion that extends outwardly from the open end of the body portion. The neck portion includes an open mouth and a passageway that extends from the mouth of the neck portion to the chamber of the body portion. The body portion includes walls that are formed by relatively thick film material and the neck portion includes walls that are formed by relatively thin film material. The product to be packaged is placed in the chamber of the body portion such that the relatively thick walls of the body portion enclose the product while resisting tearing or puncturing by the product. The relatively thin walls of the neck portion allow the walls of the neck portion to be easily heat sealed together, thereby hermetically sealing closed the passage to the chamber and hermetically sealing the product within the chamber of the body portion.
Patent CA-2236505-C (CA)
Inventor: SWADEL JOSEPH C
IPC: H01K3/10
Filed: 1998-05-01
Granted: 2007-01-09
Abstract: A lamp mount assembly for a metalarc lamp. The mount assembly of the metalarc lamp has a glass stem, mount frames, and a pair of banding straps for circumferentially encompassing and binding the mount frames to the glass stem. The banding straps are mechanically clamped about the glass stem at opposite centers, and then interlocking portions of the banding straps are crimped to affix the mount frames with respect to the glass stem.
Patent CA-2248708-C (CA)
Title: Colostomy pump and aid
Inventor: LAPCEVIC MILOS
IPC: A61M1/00
Filed: 1997-03-11
Granted: 2008-08-12
Abstract: A waste evacuator (2) to vacate waste products from a stoma having an inlet (3) adapted to seal over the stoma and when operated to vacate waste products from the shortened bowel. The waste evacuator could be battery or manually operated.
Patent CA-2249096-C (CA)
Inventor: VALENTIN GARY
IPC: G06F17/30
Filed: 1998-09-30
Granted: 2001-12-04
Abstract: A method for determining optimal database materializations utilizing a query optimizer in a database management system. The method takes one or more queries as inputs and using the query optimizer in the database management system generates a series of virtual materializations by materializing some subsets of the database. The virtual materializations are used to consider the relative performance benefits, i.e. cost-benefits, for the queries based on the various virtual materializations. If the query optimizer decides to use any of the materializations in its plan, then those materializations are recommended to the user, or created automatically for the user.
Patent CA-2251231-C (CA)
Inventor: NAJMOLHODA HAMID
IPC: F16K31/06
Filed: 1998-10-23
Granted: 2007-07-24
Abstract: Proportional variable force solenoid valve for controlling the pressure of a fluid in a fluid control system comprises a solenoid housing having therein a solenoid coil, an armature movable in response to electrical current applied to the solenoid coil, and a biasing spring for biasing the armature in a direction to establish a valve fluid pressure response to solenoid coil current. An inner armature end cooperates with or engages a damping member residing in a fluid damping chamber to reduce non-linear valve responses resulting from pressure oscillations in the fluid control system.
Patent CA-2254327-C (CA)
Title: In-line roller skate
Inventor: ANDREA GABRIELLI
IPC: A43B5/04
Filed: 1998-11-20
Granted: 2007-03-06
Abstract: An in-line roller skate, which comprises a rigid shell wherein a flexible inner shoe is housed. The latter is advantageously lined at the level of its leg portion by a cover, thereby defining a sheath substantially open downward, in which the upper part of the shell is housed. In this way, when the skater's ankle bends forward, it is supported by the inner shoe because of the interference arising between the cover and the upper part of the shell. This allows a great freedom of movement in a longitudinal direction for the skater's ankle, which can be bent even in a very accentuated manner, differently from what occurs in the known skates, where the bottom of the leg is enclosed in a rigid leg portion. At the same time, good support is maintained in a lateral direction owing to the upper part of the shell which allows the transmission of the guiding movements. According to a preferred embodiment, the cover may be hinged to the shell in the malleolar regions.
Patent CA-2254605-C (CA)
Title: Method of preparing porous nickel-aluminum structures
Inventor: BELL JAMES ALEXANDER EVERT
IPC: B01J23/755
Filed: 1998-11-27
Granted: 2002-11-12
Abstract: This process provides a method of fabricating porous aluminide articles. First the process consists of plating a preform with nickel and aluminum to create a metal-plated structure. The plating of nickel consists of electrodeposition or gaseous plating. The plating of aluminum consists of gaseous deposition of an organometallic-aluminum compound. The preform has either an open felt, woven fabric or a reticulated foam shape. Reactive sintering the metal-plated structure leaves an open nickel-aluminum structure having porosity and excellent strength and oxidation properties above 400°C.
Patent CA-2260094-C (CA)
Title: A method for inserting and detecting electronic watermark data into a digital image and a device for the same
Inventor: WAKASU YUTAKA
IPC: G06T1/00
Filed: 1999-01-19
Granted: 2002-10-01
Abstract: An image is divided into blocks, and different electronic watermark data are embedded into every block using a DCT transformer (103), electronic watermark data inserter (104), and IDCT transformer (107). At that time, reference is made to an electronic watermark data insertion position table (105) and electronic watermark data table (106) which specify that which electronic watermark data is to be inserted into which block of the image.
Patent CA-2265072-C (CA)
Inventor: HEMESATH GERHARD
IPC: B02C13/08
Filed: 1999-03-09
Granted: 2007-08-07
Abstract: The invention relates to a rotor 1 for impactors, comprising a plurality of cast steel rotor discs 2, welded together at their widened flanges 3 that are touching one another and which feature a widened outer rim 4, which is interrupted by peripheral recesses 5 to accommodate blow bars. For improved accessibility to the retaining pieces 16 holding the blow bars in the blow bar holders, provision according to the invention is made for the sides of the partial sections 7 of the outer rims 4 to be tapered circumferentially in the direction opposite to the rotation direction of the rotor, Fig.
Patent CA-2265271-C (CA)
Inventor: THOMPSON ALBERT N
IPC: B32B18/00
Filed: 1999-03-12
Granted: 2007-05-29
Abstract: A curling stone is manufactured of two components, a main body and a base on which the running edge is formed. The base is an unglazed porcelain of the type used for flooring tiles. The stone may be manufactured by the refurbishing of existing stones on which the running edge has been damaged or it may be manufactured as an original stone.
Patent CA-2268130-C (CA)
Inventor: BOULOS MERVET S
IPC: C23G1/14
Filed: 1997-09-29
Granted: 2007-04-03
Abstract: Strong alkaline cleaning solutions and concentrates therefor can be prepared without using any phosphorus or nitrogen containing surfactants by combining a weak carboxylate surfactant with at least one, or preferably both, of an aliphatic alcohol alkoxylate nonionic surfactant and an alkyl phenol alkoxylate nonionic surfactant. The predominant alkoxylates in the nonionic surfactants are ethoxylates, but at least the non-aromatic based surfactant preferably contains some propoxylate also.
Patent CA-2272136-C (CA)
Inventor: WELCH WILLARD M JR
IPC: A61K31/535
Filed: 1993-11-03
Granted: 2004-12-07
Abstract: Disclosed are pyrazole derivatives of the formula:   (see formula I-b) (wherein R1 is hydrogen or a substituent such as NH2; R2 is hydrogen or a substituent such as SCH3; R3 is a cyclic group such as an optionally substituted phenyl; and R4 is a cyclic group such as a substituted phenyl) having corticotropin-releasing factor (CRF) antagonist activity and useful for treatment of diseases induced by CRF.
Patent CA-2273518-C (CA)
Title: Air filter assembly
Inventor: HOEFFKEN RUSSELL
IPC: B01D46/10
Filed: 1999-06-01
Granted: 2002-01-22
Abstract: An air filter has a generally rectangular frame having surfaces defining generally a plane, and a pair of parallel side rails and a pair of parallel end rails along outer edges of the plane-defining surfaces, the rails flaring outboardly at an obtuse angle from the plane when the frame is unconfined, one of the rails at each corner of the rectangular frame being provided with tabs, and the other, contiguous of the rails at the corner having an open end into which the tab extends. The tabs have an angled outer surface and are of a length compared with the height of the open end to be held against movement clear of the open end in every position of the rails when the frame is assembled, to limit the outward flare of the rails and to insure that the corners of the rails are substantially closed in every position of the rails.
Patent CA-2274237-C (CA)
Inventor: BIERL JAMES FRANKLIN
IPC: F16B17/00
Filed: 1999-06-10
Granted: 2004-02-03
Abstract: An anti-rotation pin structure for an agricultural implement includes a retainer laser cut from flat stock to include a pin-receiving opening with opposing grooves which are adapted to receive the ends of a cross pin. The retainer is secured to one side of support structure and receives a simple support pin having small bores extending diametrically through its ends. The cross pin is inserted through one of the bores with the ends of the cross pin projecting radially outwardly a short distance from opposite sides of the support pin. The end of the support pin opposite the cross pin end is inserted through the openings until the projecting cross pin ends seat in the opposing grooves. Thereafter, a quick lock pin is inserted through the bore in the end opposite the cross pin end to fix the cross pin inside the pin retainer and lock the support pin against rotation.