baber/WOPTO huggingface dataset:
Patent CA-2163944-C (CA)
Inventor: VAN ERDEN DONALD L
IPC: B29L7/00
Filed: 1995-11-28
Granted: 1998-12-01
Abstract: An apparatus and method for producing an oriented plastic strap having a predetermined desired thickness for use in connection with the strapping of packages or the like, is disclosed. A sheet workpiece is conducted into a nipdefined between a pair of milling and stretching rollers wherein one of the rollers is rotated at a lineal surface velocity which is greater than the lineal surfacevelocity of the other roller and the rollers are rotated in opposite directions. One of the rollers effectively brakes or retards one of the surfaces of the sheet workpiece while the other one of the rollers effectively accelerates the other one of the surfaces of the sheet workpiece as the workpiece passes through the nip defined between the rollers whereby the workpiece is simultaneously milled and stretched. Additional heating is provided in connection with the surface of the sheet workpiece which is exposed to the ambient air prior to entry of the workpiece into the nip defined between the pair of rollers such that both surfaces will have similar temperature levels so as to exhibit similar density properties and still further, the edge portions of the sheet workpiece are also heated so as toadvantageously control the degree of flatness of the sheet material or workpieceacross the width thereof. The flatness quality of the sheet workpiece can also be achieved through means of specially contoured milling rollers defining the zero gap assembly nip, or by means of specially contoured extrusion dies, whereby the edge portions are rendered thinner as compared to the central portion of the sheet workpiece such that upon milling and stretching of the workpiece, which operations tend to thicken the edge portions of the sheet workpiece, the edge portions will exhibit thickness dimensions commensurate with the thickness dimension of the central portion of the sheet workpiece.
Patent CA-2178010-C (CA)
Inventor: CRISMAN CHUCK
IPC: F16L33/01
Filed: 1996-06-03
Granted: 1999-08-10
Abstract: A flexible hose comprising a composite polymeric core with a degradation-resistant liner and a thermoplastic elastomeric liner coating, the core preferably being surrounded by a protective sheath. The degradation-resistant liner is optionally a polyolefin or fluorine-containing polyolefin andcan have a convoluted inside surface. The composite core can optionally include a vapor barrier and leak indicator, and a tracer can be provided to indicate twisting of the sheath.
Patent CA-2179562-C (CA)
Title: Peptide useful in the separation and purification of immunoglobulins
Inventor: FASSINA GIORGIO
IPC: C07K5/087
Filed: 1996-06-20
Granted: 2007-12-18
Abstract: A peptide of formula (I) (H2N-X1-Thr-X2-CO)n-R (I) where X1 and X2, different one another, are an amino acid residue of arginine or tyrosine in configuration L or D, wherein the hydroxy group of threonine and tyrosine and the guanidine moiety of arginine may be protected by a compound conventionally used in peptide chemistry for protecting the hydroxy group and the guanidine moiety, respective n is 1,2, 3 or 4, and R, when n is 2,3 or 4, is a group suitable for forming a dimer, trimer or tetramer, while, when n is 1, R is OH, a single amino acid residue, or a peptide chain comprising up to 7 amino acid residues.   The peptide of formula (I) is useful in the separation and purification of immunoglobulins.
Patent CA-2180444-C (CA)
Title: Sel onium de taxo-diterpenoide soluble dans l'eau
Inventor: NICOLAOU K C
IPC: C07D417/14
Filed: 1995-01-10
Granted: 2006-02-28
Abstract: Cette invention concerne des sels onium de taxo-diterpénoïde-C?n¿, 2-0-aza-arènes qu'on utilise comme promédicaments solubles dans l'eau. Par exemple, le taxol-2'-méthylpyridinium toxylate se caractérise par une solubilité aqueuse élevée, une activation rapide par la protéine sérique, une bonne stabilité dans la plupart des autres solutions aqueuses, la formation d'une protéine:un intermédiaire de taxol et une bonne rétention dans le système circulatoire. La toxicité de la forme activée est comparable ou supérieure à celle du taxol non dérivé. En outre on peut synthétiser du taxol-2'-MPT en n'effectuant qu'une seule étape de réaction simple entre du taxol et du 2-fluoro-1-MPT. Cette invention peut s'appliquer au taxol et aux substances mimétiques du taxol comprenant des groupes hydroxyle qui réagissent avec les sels onium de 2-halogéné-aza-arènes. Par exemple, le taxol, les analgoues à substitution C-2 de taxol, et le Taxotere comprennent chacun des groupes hydroxyle réactifs situés en positions 2' et 7. Cette invention s'applique également à une gamme étendue de 2-halogéné-aza-arènes.
Patent CA-2188801-C (CA)
Title: Universal hydraulic valve
Inventor: CHAPMAN LEONARD T
IPC: F16M11/42
Filed: 1995-04-26
Granted: 2005-01-11
Abstract: A universal hydraulic stop valve (10) has a housing (12) having check valves (20, 22) in a check valve bore (74). A needle (30) in needle bore (72) has spaced apart seals (60) which may alternately seal a gainst valve seats (52, 54) on adjustable knobs (26, 28) with movement of the needle, which may be mechanically linked to a machine elemen t moved by a hydraulic actuator (140). The universal hydraulic valve sets accurate starting and stopping positions, and also prov ides for gradual feathered stops.
Patent CA-2189796-C (CA)
Inventor: DEVIC MICHEL
IPC: D21C9/10
Filed: 1995-04-14
Granted: 2000-08-22
Abstract: A method wherein a cooked lignocellulose pulp is (a) delignified using oxygen, (b) processed with a transition metal complexing or sequestering agent and washed, and (c) processed with hydrogen peroxide in the presence of an alkali metal silicate at a temperature of over 100 ~C and at a pressure of 5-200 bar.
Patent CA-2199236-C (CA)
Title: A reciprocating piston variable display displacement type compressor    improved to distribute lubricating oil sufficiently
Inventor: OTA MASAKI
IPC: F04B27/08
Filed: 1997-03-05
Granted: 2000-11-28
Abstract: A reciprocating piston type compressor for compressing refrigerant gas for an automobile air conditioning system is provided with a cylinder block assembly which includes a plurality of cylinder bores, a swash plate chamber and an oiler channel which extends along the one of the end walls of the swash plate chamber.      When the refrigerant gas, which flows rotationally in the swash plate chamber due the rotating swash plate, contacts the oiler channel, the lubricating oil mist, in the refrigerant gas flow in the swash plate chamber induced by the rotation of the swash plate, is separated from the refrigerant gas and the separated lubricating oil is introduced into the bearing means by the oiler channel.
Patent CA-2201394-C (CA)
Title: Method and system for preservation against pesky birds and pest animals
Inventor: ESTINES JOSETTE
IPC: A01M29/16
Filed: 1997-03-27
Granted: 2000-09-19
Abstract: The  method  according  to  the  invention  is  permanent preservation against pesky birds and pest animals from a site where they cause damages. The method comprises: a dislodging phase where at least two frightening devices are installed on the site. The number of devices installed depends on the kind of site and the surface area of the site. For a short period of time during the dislodging phase, an intensive action of the frightening devices is sustained to dislodge the birds. The dislodging phase is followed by a dissuasion phase to dissuade the birds from returning back to the site. The dissuasion phase includes an active action of the frightening devices for three days.  The active action is less severe than the intensive action of the dislodging phase. Finally, there is a controlling phase including a continuous action of the frightening devices to permanently prevent any bird or animal from settling on the site.
Patent CA-2206278-C (CA)
Title: Karaoke system having host apparatus with customer records
Inventor: TOYOSAWA MASAO
IPC: H04M11/08
Filed: 1997-05-27
Granted: 2003-11-25
Abstract: A karaoke system for providing improved services with customers, utilizing inherent network resources of a large-scale communication karaoke system is disclosed. The karaoke system according to one aspect of the present invention has a host apparatus 2 and a plurality of remote terminal apparatuses 1 for playing karaoke music communicating with the host apparatus via a communication network 3. Each of the remote terminal apparatuses 1 stores karaoke data transferred from the host apparatus 2 and plays the karaoke data selected from among the stored karaoke data by a speaker 11 and a CRT display 15. The host apparatus 2 stores a plurality of records of customers of the karaoke system. Each of the remote terminal apparatuses 1 comprises a central processing unit 4 for identifying a customer to acquire an identifier of the customer, acquiring the corresponding customer record from the host apparatus, updating the acquired customer record according to the customer's using status of the karaoke system, generating messages for the customer based on the acquired customer record, outputting the generated messages to the customer, and uploading the updated customer record to the host apparatus to update the corresponding customer record stored in the host apparatus.
Patent CA-2207920-C (CA)
Inventor: O'FFILL ROBERT J
IPC: F16L55/162
Filed: 1995-12-08
Granted: 1999-08-17
Abstract: A flexible liner (38) includes a back side surface having a number of ribs (46) that project outwardly a distance away from the liner. The ribs each have an enlarged profile configured to provide a strong mechanical lock with an intermediate adhesion layer (44) or carrier that is applied to a surface portion (42) of the underlying substrate (40) needing surfacing or rehabilitation. The liner is installed to surface or rehabilitate a structure by applying a thickness of the carrier to the wall section of the underlying substrate, positioning a back side surface of the liner adjacent the carrier, pressing the liner against the carrier so that the ribs are inserted and completely covered by the carrier, and forming a mechanical lock between the ribs and the carrier. The carrier cures to form a strong bond with the surface of the underlying substrate but not with the back side surface of the liner.
Patent CA-2208945-C (CA)
Title: Process for producing flat heat exchange tubes
Inventor: TAKAHASHI KAZUYUKI
IPC: B21K25/00
Filed: 1997-06-25
Granted: 2004-09-07
Abstract: A process for producing a flat heat exchange tube having parallel fluid passages in its interior and comprising an upper wall, a lower wall, right and left side walls interconnecting right and left side edges of the upper and lower walls and a plurality of reinforcing walls connected between the upper and lower walls, extending longitudinally of the tube and spaced apart from one another, by brazing a first tube component member of aluminum and a second tube component member of aluminum into an integral assembly, the first component member including a lower wall forming portion and a plurality of reinforcing wall forming portions integral with and extending upward from the lower wall forming portion, the second component member including an upper wall forming portion comprising a brazing sheet having a brazing material layer over at least the lower of upper and lower surfaces thereof. The process comprises forming in advance at least one longitudinally extending ridge for giving enhanced brazing strength on a part of the lower surface of the upper wall forming portion of the second component member which part corresponds to each of the reinforcing wall forming portions, tacking the two component members together with a force applied thereto from above and below, and thereafter brazing the two component members.
Patent CA-2216853-C (CA)
Inventor: WANG JIN-SHAN
IPC: C08L51/00
Filed: 1996-03-19
Granted: 2005-10-25
Abstract: Un nouveau procédé de polymérisation (polymérisation radicalaire par transfert d'atome) basée sur une réaction rédox entre un métal de transition (par exemple Cu(I)/Cu(II)) permet une polymérisation radicalaire "vivante" ou contrôlée du styrène, des (méth)acrylates et d'autres monomères polymérisables par processus radicalaire. En utilisant divers halogénures organiques simples comme précurseurs (initiateurs) modèles pour le transfert de l'atome d'halogène et des complexes de métaux de transition comme promoteurs modèles (catalyseurs) de transfert de l'atome d'halogène, la polymérisation radicalaire "vivante" permet d'obtenir des copolymères ayant un poids moléculaire moyen prédéterminé par  DELTA [M]/[I]o (jusqu'à Mn > 105) et une distribution du poids moléculaire étonnamment basse (MW/Mn), pouvant descendre jusqu'à 1,15. La participation de radicaux libres comme intermédiaires dans cette polymérisation est confirmée par l'analyse des groupes terminaux et la stéréochimie de polymérisation. En plus, les polymères avec plusieurs structures (polymère bloc, aléatoire, à groupes fonctionnels terminaux et à groupes fonctionnels à l'intérieur du copolymère [par exemple de styrène et de méthacrylate de méthyle]) ont été synthétisés par le présent procédé. Les produits polymères englobés dans la présente invention peuvent largement être utilisés dans les plastiques, les élastomères, les adhésifs, les émulsifiants, les élastomères thermoplastiques, etc.
Patent CA-2217619-C (CA)
Inventor: STRUEMPH DENNIS J
IPC: H05K5/02
Filed: 1997-10-02
Granted: 2004-07-20
Abstract: An improved enclosure and latching structure for the cable compartment of a tank for a padmounted distribution transformer. The enclosure is of non-conductive fire resistant material. A curved latch arm of non-conductive material is pivotally connected to support structure mounted on the front tank panel of the transformer above the midpoint thereof. The enclosure is shaped to conceal the cable compartment of the tank and is open at the back for engaging the periphery of the tank panel. The enclosure has an opening in the front adjacent the top thereof through which extends locking means secured to the enclosure for mating with locking structure carried at the free end of the latch arm. The locking means in the opening in the front of the enclosure engages the locking structure at an elevation on the enclosure higher than the pivoted end of the latch arm whereby when the locking means and locking structure are tightened, a compression and moment loading is generated which combine to create a force on the enclosure to hold the open back of the enclosure tightly against the periphery of the tank panel.
Patent CA-2218617-C (CA)
Title: Method and system for preparing an electronic record for shipping a parcel
Inventor: KADABA NAGESH
IPC: G06Q10/08
Filed: 1996-05-31
Granted: 2001-11-27
Abstract: The present invention provides a system and method for preparing an electronic shipping record of a parcel. The system utilizes an intelligent telephone to display a parcel shipping procedure as a menu of choices for selection, to store delivery information received via the parcel shipping procedure as a shipping record of a parcel, and to transmit the shipping record to update a parcel database.
Patent CA-2223061-C (CA)
Title: Method of and apparatus for diagnostic dna testing
Inventor: VIJG JAN
IPC: C12P19/34
Filed: 1996-06-03
Granted: 2008-04-22
Abstract: An assay for detecting mutations in genes by a two-step multiplex polymerase chain reaction amplification followed by preferably two-dimensional electrophoretic separation of the fragments on the basis of both size and base pair sequence.
Patent CA-2229295-C (CA)
Title: Use of block copolymers having linked siloxane blocks in the production of polyurethane foams
Inventor: BURKHART GEORG
IPC: C08J9/00
Filed: 1998-02-10
Granted: 2002-06-04
Abstract: The invention relates to the use of block copolymers having linked siloxane blocks of the general average formula (see fig. I) as additive in the production of polyurethane foams.
Patent CA-2231990-C (CA)
Title: Apparatus for ultraviolet disinfection of water
Inventor: ANDERSON ELLIS D
IPC: A61L2/10
Filed: 1998-03-13
Granted: 2007-01-02
Abstract: A water treatment and disinfection apparatus is provided, which has separate flow channels to allow entry and exit of separate streams of water through the apparatus, with an ultraviolet light source emitting rays through first and second ultraviolet transparent sleeves having an annular space therebetween to form an inner flow channel and an annular space between the second sleeve and an ultraviolet resistant pressure vessel. The apparatus of the invention is specially suited for disinfection of water in reverse osmosis water purification systems, whereby pre-reverse osmosis (untreated) water and post-reverse osmosis (treated) water are directed inside the apparatus of the invention to be separately and simultaneously disinfected by ultraviolet rays and again separately exit the apparatus.
Patent CA-2234513-C (CA)
Title: Surface acoustic wave device
Inventor: IKADA KATSUHIRO
IPC: H03H9/64
Filed: 1998-04-09
Granted: 2001-02-06
Abstract: A surface acoustic wave device includes first and second SAW filters and first, second and third SAW resonators.  The first SAW filter has first and second ends and a first pass band in a first frequency region, and the second SAW filter has first and second ends and a second pass band in a second frequency region which is lower than the first frequency region. The second end of the second SAW filter is connected to the second end of the first SAW filter in parallel to form a connection point.  The first and second one-port SAW resonators are connected in series between the second end of the first SAW filter and the connection point, and have an antiresonant frequency higher than the frequency of the pass band of the first SAW filter The third one-port SAW resonator connected in series between the second end of the second SAW filter and the connection point and has an antiresonant frequency higher than the frequency of the pass band of the second SAW filter.
Patent CA-2235904-C (CA)
Inventor: WALKER RICHARD E
IPC: F23Q3/00
Filed: 1998-04-24
Granted: 2006-01-10
Abstract: Exothermic reaction mixtures are electrically ignited with a low cost foil strip of two conductive strips separated by a layer of insulation. One or more holes are formed in the ignitor to create shaped spark plasma on one side and a venting plasma on the opposite side of the hole. The spark with low energy requirements is sufficient to ignite exothermic reactions for welding, casting and other uses. The ignitor may be part of reusable crucibles and molds, or expendable packages, containers, and molds, or smaller squibs for igniting larger charges. The ignitor may be immersed in or substantially adjacent the charge of exothermic material. The spark forming hole or holes is made and shaped by a punch in a simple and low cost manner. The ignitor eliminates the need for starting powders or materials and flint gun ignitors.
Patent CA-2237073-C (CA)
Inventor: SUBRAMANIAM CHITOOR S
IPC: C07C43/305
Filed: 1994-05-27
Granted: 2001-09-25
Abstract: 1,1-Dialkoxycycloalkanes of the structure (see formula II) wherein R1 and R2 are different or the same alkyl moieties and can be a saturated, unsaturated, branched, unbranched or cyclic alkyl moiety of 1 to 3 carbon atoms, and n is an integer from 4 to 9, are prepared by reacting with the imino ether hydrochloride more secondary alkanol and a cycloalkanone having to 10 carbon atoms.
Patent CA-2241097-C (CA)
Inventor: KINKELAAR MARK
IPC: C08G18/48
Filed: 1996-12-19
Granted: 2008-02-12
Abstract: Cold molded flexible polyurethane foams may be prepared from low primary hydroxyl polyoxyalkylene polyols when polyoxyalkylene polyols having an unsaturation of 0.02 meq/g or less provide the substantial portion of the polyol component.
Patent CA-2245134-C (CA)
Title: Layered structure for a transponder tag
Inventor: COCITA KEITH
IPC: G06K19/077
Filed: 1998-08-18
Granted: 2007-02-13
Abstract: A transponder antenna is carried by a substrate and is sandwiched between the substrate and a cover sheet. A rectangular opening extends through the cover sheet and receives a signal processing chip adhesively carried in a recess below a cap which covers the opening. The chip is spaced with respect to the antenna so as to facilitate direct or inductive coupling between the chip and antenna. The cap has a protective portion which extends through the cover opening substantially all the way to the substrate so as to prevent accidental contact between the chip, on one hand, and the substrate and/or antenna on the other.
Patent CA-2245983-C (CA)
Inventor: OMURA TETSUJIRO
IPC: G03B21/58
Filed: 1998-08-26
Granted: 2006-05-30
Abstract: The present invention is directed to a portable screen assembly including first and second frames extending parallel to each other, a spring-biased roll rotatably mounted in the first frame, and a screen bonded at its one end to the second frame and wound around the spring-biased roll. An extender is provided for biasing the first and second frames away from each other to impart a predetermined tension to the screen. During use of the portable screen assembly, the first and second frames are supported generally vertically by a plurality of support legs.
Patent CA-2248966-C (CA)
Inventor: PELTIER GUY
IPC: F42C19/08
Filed: 1998-10-19
Granted: 2007-05-01
Abstract: A device for retaining an element ejected by a pyrotechnic device when it is fired comprises at least one metal cap placed behind the nozzle of the device and designed to receive the ejected element, the cap being held in position by curved rigid links. The kinetic energy of the captured element carries along the cap and the captured element and the motion of the assembly is braked by the deformation of the rigid links. Application especially to the retaining of the rear igniter of a missile.
Patent CA-2249680-C (CA)
Inventor: ROSE HUGH QUENTIN
IPC: A01M23/26
Filed: 1998-10-07
Granted: 2007-08-21
Abstract: A trigger mechanism for an animal trap is disclosed, comprising a trigger plate moveable in a vertical direction and provided with at least one cam surface on its lower face, a retaining pin for preventing release of the trap until triggered, slidable longitudinally thereby to allow release of the trap, the retaining pin being linked to at least one cam follower, such that downward movement of the trigger plate causes the retaining pin to slide thereby causing release of the trap. The trigger plate and the retaining pin are preferably biassed in an adjustable manner so as to allow a degree of selectivity in the animals which are caught.
Patent CA-2250280-C (CA)
Title: Distributed video data storage in video surveillance system
Inventor: ELY REUEL ANDREW
IPC: G08B15/00
Filed: 1997-04-17
Granted: 2005-08-09
Abstract: A video surveillance system includes a central control station (102) and a plurality of video cameras each mounted inside a dome housing unit (114). A video data buffer memory, storing compressed video data generated by the camera, is mounted with each camera in the respective dome unit. Data buffered at the dome units may be selectively protected from over-writing in response to alarm signals and then retrieved for display or tape-recording by the central control station.  Both live and buffered video signals are transmitted in compressed form over the data network (112) that is also used for command, alarm and status messaging.
Patent CA-2255690-C (CA)
Title: Systeme de programmation de television a acces controle
Inventor: CASEMENT MARCY
IPC: H04N7/16
Filed: 1997-05-23
Granted: 2005-01-11
Abstract: L'invention porte sur un système de programmation de télévision (1) comportant une interface utilisateur (38) permettant à l'utilisateur de gérer l'accès à des programmes de télévision, en fonction de la durée, du contenu et/ou de la chaîne. L'utilisateur peut de plus fixer une limite à des dépenses de programmes payants en limitant l'achat de programmes payants.