baber/WOPTO huggingface dataset:
Patent CA-2235887-C (CA)
Title: Painting system including a desiccant dehumidifier for conditioning air recirculated to a spray paint booth
Inventor: NOWACK WILLIAM CARL
IPC: B05B15/12
Filed: 1998-05-26
Granted: 2001-10-16
Abstract: A painting system includes a paint spray booth ventilated by process air including a combination of outside make-up air and a portion of the exiting process air which is returned to the booth, the returned air being the main component of the combination. The humidity of the air in the paint spray booth is controlled by routing a first minor portion of the process air exiting the booth through a desiccant dehumidifier, which removes moisture and volatile organic compounds (VOCs) from this process air portion before it is sent back to the paint spray booth. The dehumidifier is designed so that at any given time the process air portion contacts only part of the desiccant bed while air heated to approximately 250° F. in a paint cure oven is exhausted from the oven and directed through the remaining part of the desiccant bed in order to dry, and thus generate, the desiccant for continued use. The dehumidifier is designed so that a continual exchange of dried desiccant for moisture laden desiccant respectively takes place relative to the process and heated air streams. The heated air also removes a large portion of the VOCs from the first minor portion of the process air. A second minor portion of the process air exiting from the paint spray booth, equal to the volume of make-up air, and the heated regenerative air exiting the dehumidifier are routed through a control device, such as a thermal oxidizer, which destroys the VOCs contained in this air before exhausting it to the atmosphere.
Patent CA-2236308-C (CA)
Title: Separator screen and screening method
Inventor: ROTH ELDON
IPC: A22C17/04
Filed: 1996-11-06
Granted: 2002-01-15
Abstract: A screen (12) for use in a separator device (10) includes an inner portion (22) opening onto the screen inner surface (24) and an outer portion (26) extending the re- mainder of the way through the screen material. The outer portion (26) of the screen opening (20) al- lows the desired material to pass therethrough, while blocking the entry of large pieces of hard ma- terial. The inner portion (22) of the screen opening (20) includes a deflecting surface (40) forming an acute deflecting angle (B) with the inner screen surface (24) in the direction at which a cutting ele- ment passes over the screen open- ing (20). Large pieces of hard material that may partially enter the screen opening (20) are pressed against the deflecting surface (40) as the cutting element passes over the screen opening (20), the deflect- ing surface (40) serving to deflect the hard material out of the screen opening (20) without chipping off or cutting off any of the hard mate- rial, which could then pass through the screen opening (20) along with the desired material.
Patent CA-2240340-C (CA)
Inventor: SWEET DOUGLAS FREDERICK
IPC: F04D1/00
Filed: 1998-06-11
Granted: 2006-10-17
Abstract: A comically ported liquid ring pump has one or more port structures with cone angles in the range from 15 degrees to 75 degrees. These cone angles are substantially greater than previously used cone angles (most commonly about 8 degrees). The large cone angles of this invention give the fluid flowing between the cone and the rotor significant components of both radial and axial velocity. Large cone angles also allow the port structure(s) to be made axially shorter, which has a number of important advantages such as shortening the unsupported length of the rotor shaft.      These attributes of the present pumps are helpful for such purposes as allowing the length-to-diameter ratios of the pumps to be economically increased. In addition, the pumps of this invention retain many of the desirable attributes of comically ported pumps.
Patent CA-2245787-C (CA)
Inventor: TOTARO LUIGI
IPC: F16N13/16
Filed: 1997-02-28
Granted: 2005-01-04
Abstract: Manual grease gun comprising a tubular reservoir (1) for the grease (7) closed by a rear cover (3), a dual seal pressure piston (10) slidable within the container (1) and a head piece (2) with a reciprocating piston (5) pump manually operated through a lever (6), the suction port of the pump being connected with the interior of said tubular reservoir (1) and the delivery port of the pump being connected with a grease delivery nozzle (8); on the rear cover (3) or on the rear region of the tubular reservoir (1) there is provided a manual reciprocating air compressor (4), the delivery port of which is connected with a rear pressure chamber (12) of the tubular reservoir (1). The diameter of the reciprocating compressor (4) is smaller than the diameter of the tubular reservoir (1), the ratio being preferably below 1/4.
Patent CA-2246643-C (CA)
Title: Dispositif de filtrage des gaz chauds
Inventor: NEWBY RICHARD A
IPC: B01D46/24
Filed: 1997-01-30
Granted: 2005-11-15
Abstract: Dispositif de filtrage (20) permettant de séparer des matières particulaires d'un flux gazeux. Le dispositif de filtrage (20) comporte une cuve pressurisée (21) définissant une chambre interne comportant une admission (30) des gaz pollués et un orifice de sortie (28) des gaz propres. Une paroi en tube de fumée (8) est installée à l'intérieur de la cuve pressurisée (21) divisant cette cuve en une partie (9a) pour les gaz pollués et une partie (9b) pour les gaz épurés. Un tube de support (11) assurant le maintien d'une chambre collectrice (26) à l'intérieur de la cuve pressurisée (21), du côté gaz pollués (9a), est fixée solidement à la paroi à tubes de fumée. La chambre collectrice (26), destinée à accueillir plusieurs éléments de filtrage (70) est reliée au tube de support (11). La chambre collectrice (26) comporte une paroi latérale (40) pourvue d'au moins un orifice (44) pour les gaz pollués et d'une sortie (46) pour les gaz propres. Cette paroi latérale définit en outre une chambre (41) pour les gaz épurés. Plusieurs guides (52) des éléments de filtrage sont fixés solidement à l'intérieur de la chambre (41) des gaz épurés afin de maintenir au moins un élément filtrant (70) et d'empêcher les éléments filtrants (70) de se déplacer dans le sens latéral. Un coupleur amovible (48) sur l'orifice des gaz pollués forme un écran étanche aux particules entre l'orifice (44) des gaz pollués et la chambre (41) collectrice des gaz épurés. Une plaque (55) sert de support pour les éléments filtrants (70) à l'intérieur de la chambre (41) pour gaz épurés, cette plaque étant fixée solidement à proximité de l'orifice (44) d'admission des gaz pollués. Cette plaque assurant le maintien des éléments filtrants (56) comporte au moins une fente alignée coaxialement avec au moins l'un des orifices d'admission (44) des gaz pollués dans la chambre collectrice.
Patent CA-2247353-C (CA)
Inventor: DURHAM ORMONDE G III
IPC: H02J7/00
Filed: 1996-02-27
Granted: 2001-08-14
Abstract: Optical encoder apparatus and methods are provided for converting the cyclic  motion of an electro-mechanical machine, such as an electric motor, into at least one electrical signal having a predetermined waveform. The apparatus m ay include at least one photo-detector (26) which is responsive to at least one  pattern of incident radiant energy; at least one photo-emitter (24) that emi ts a supply of radiant energy coupled to the photo-detector by an optical path;  and an optically programmed system including an optical encoder disc (30) which contains at least one optically detectable graphical pattern (32) and a mask (36) containing at least one aperture (38) which permits the pattern of  radiant energy to pass to the detector.
Patent CA-2252937-C (CA)
Inventor: BRIDENNE PIERRE
IPC: F24F13/06
Filed: 1997-04-09
Granted: 2005-06-07
Abstract: PCT No. PCT/FR97/00626 Sec. 371 Date Oct. 26, 1998 Sec. 102(e) Date Oct. 26, 1998 PCT Filed Apr. 9, 1997 PCT Pub. No. WO97/40325 PCT Pub. Date Oct. 30, 1997A fabric sheath (1) for the close protection of the conveyance of sensitive products by sterilized air stream diffusion, in particular in a substantially vertical direction is formed by a sealed wall (2) and a porous wall (3) extending longitudinally and axially along the sheath, the sheath defining a sterilized air supply duct (9). It comprises means (4) extending longitudinally along the sheath that ensure median sterilized air diffusion at a higher speed. The invention also features a washable or disposable laminar-flow hood, comprising a fabric sheath bounded at each end by a plane perpendicular to the axis of the fabric sheath.
Patent CA-2261046-C (CA)
Title: Image receptor medium
Inventor: LEE CHARLES C
IPC: B42C3/00
Filed: 1996-11-26
Granted: 2005-03-22
Abstract: An image receptor medium including an image reception layer having two major opposing surfaces. The image reception layer comprises an acid- or acid/acrylate-modified ethylene vinyl acetate (EVA) resin. Alternatively, the image receptor medium includes a substrate layer comprising a polymer substrate layer having two major opposing surfaces and an image reception layer on a first major surface of the substrate layer. The image reception layer has an outer surface for receiving images, and comprises an acid- or acid/acrylate-modified ethylene vinyl acetate (EVA) resin. Either embodiment of the image receptor medium may further include an optional prime layer, an optional adhesive layer, and an optional inkjet layer.
Patent CA-2263018-C (CA)
Title: Parabolic cover for manhole
Inventor: PULVER MARK D
IPC: E02D29/14
Filed: 1999-02-25
Granted: 2002-09-10
Abstract: A manhole cover of substantially monolithic construction is claimed. The manhole cover comprises a central cover portion having a center, and having a thickness that varies radially from the center in accordance with an exponential or parabolic function. An intermediate cover portion surrounds the central cover portion and has a substantially uniform thickness. An outer bearing portion surrounds the inter-mediate cover portion and has a thickness greater than the intermediate cover portion. The thickness of the central portion may vary radially from the center in accordance with the exponential function, t r = T ~e -cB, where t r is the thickness at a given radial point r from the center, c = (r/R)2, where R is the radius of the cover, B is a dispersion constant, and T is a constant that determines the thickness of the central portion at the center.
Patent CA-2263933-C (CA)
Inventor: LEMPERLE STEFAN M
IPC: A61F2/02
Filed: 1997-08-05
Granted: 2004-11-23
Abstract: A resorbable, flexible implant in the form of a continuous macro-porous shee t (42) is disclosed. The implant (42) is adapted to protect biological tissue defects especially bone defects (49) in the mammalian skeletal system, from the interposition of adjacent soft tissues (57) during in vivo repair. The membrane (42) has pores (46) with diameters from 20 microns to 3000 microns. This porosity is such that vasculature (61) and connective tissue cells derived from the adjacent soft tissues (57) including the periosteum (64) can proliferate through the membrane (42) into the bone defect (49). The thickness of the sheet (42) is such that the sheet (42) has both sufficient flexibility to allow the sheet (42) to be shaped to conform to the configuration of a skeletal region (55) to be repaired and sufficient tensile strength to allow the sheet (42) to be so shaped without damage to the sheet (42). The sheet (42) provides enough inherent mechanical strength to withstand pressure from adjacent musculature and does not collapse.
Patent CA-2264127-C (CA)
Title: Plaque a fiche et methode d'assemblage
Inventor: GRIFFITH JOHN EDWIN
IPC: F16B15/00
Filed: 1997-08-22
Granted: 2007-02-27
Abstract: Pour faciliter le pré-placage de joints à treillis sertis de clous, une plaque à clous (10) comporte, dans une région de la plaque, des dents (13) plus longues qui permettent de fixer la plaque sur un élément du joint avant l'assemblage du joint.
Patent CA-2275756-C (CA)
Title: Dosing pump and method for enhancing dosing precision
Inventor: HABERLANDER ALBERT
IPC: H02P3/24
Filed: 1997-12-15
Granted: 2007-02-13
Abstract: The invention relates to a method for increasing the dosing precision of a dosing pump which is driven by an asynchronous motor via an eccentric gear. A supply voltage to the motor is switched on for driving the dosing pump for an actuation interval. The supply of the motor is switched off about half a cycle time before it is required to stop the motor to terminate dosing by the dosing pump. The motor is allowed to run freely in an unpowered mode for about one quarter of the cycle time after the switching off step and a DC voltage is applied to it for approximately the next one quarter cycle time to induce an eddy current is induced in a rotor of the motor to generate a counter-magnetic field for braking the rotor to a stand still.
Patent CA-2275948-C (CA)
Title: Installation de raboutage d'au moins deux pieces metalliques par soudage au moyen d'un faisceau a haute densite d'energie
Inventor: DUJARDIN GAUTHIER
IPC: B23K26/08
Filed: 1997-12-19
Granted: 2002-02-05
Abstract: Installation de raboutage de deux pièces métalliques par soudage au laser comportant un bâti général fixe (40, 41) définissant un repère de référence, un bâti de support (42) d'un faisceau laser, déplaçable par rapport au bâti général fixe, un bâti de bridage des pièces maintenues l'une contre l'autre avec une pression d'accostage. Selon l'invention, le bâti de bridage comporte une structure (41) reliée au bâti général et une table (44) formée d'éléments (8) de bridage, dans laquelle l'agencement des éléments est dédié à la géométrie des pièces à rabouter, la table (44) étant déplaçable par rapport à  la structure (41) entre au moins une première position dans laquelle la table est indépendante de la structure donc hors du repère de référence et une seconde position dans laquelle la table est reliée à la structure et par la mise en référence dans le repère du bâti général.
Patent CA-2276816-C (CA)
Title: Method for producing metabolites biologically synthesized via phosphoribosyl pyrophosphate
Inventor: IKEDA MASATO
IPC: C12R1/19
Filed: 1999-06-30
Granted: 2012-09-18
Abstract: An industrially more advantageous method for the production of metabolites biologically synthesised via phosphoribosyl pyrophosphate (PRPP) is provided, making use of metabolically modified strains in which transketolase activity is deficient or reduced in comparison with the parent strain.
Patent CA-2277052-C (CA)
Inventor: SMITH ALEC
IPC: C09K8/524
Filed: 1998-01-09
Granted: 2006-04-11
Abstract: L'invention concerne un procédé permettant de réguler la précipitation d'asphaltène dans un fluide. Ce procédé consiste à ajouter un inhibiteur de précipitation dans le fluide qui renferme l'asphaltène.
Patent CA-2279663-C (CA)
Inventor: POCOCK MICHAEL HENRY
IPC: H04H60/52
Filed: 1995-12-01
Granted: 2006-08-01
Abstract: A method and system for managing and providing information relating to radio and television telecasts and Internet datacasts. Listeners and viewers of radio, television or Internet telecasts or datacasts connect through a user interface, such as a telephone or computer terminal, to a database that contains descriptions relating to program information, program listings or other information with additional associated links. This descriptive information can be in the form of text, audio, video, data or combination thereof and may be stored in various formats and potentially stored on separate systems. The database can be indexed in various ways and may be indexed by a station's or datacaster's program schedule or play-list enabling a user to select a particular description of interest. Additionally, the database may be accessed by a selection of a program item contained within a program schedule or program listing.
Patent CA-2286842-C (CA)
Title: Procede et dispositif de commande de la puissance d'emission dans un systeme de communication
Inventor: TIEDEMANN EDWARD G JR
IPC: C08L23/16
Filed: 1998-04-16
Granted: 2006-07-11
Abstract: L'invention concerne un dispositif de commande de puissance de liaison aval dans une station distante (6), qui contrôle les bits de commande de puissance de liaison retour transmis par une ou plusieurs stations de base (4a, 4b, 4n) sur un canal de trafic aller (10a). Au niveau de la station distante (6), les bits de commande de puissance de liaison retour émis par plusieurs stations de base (4a, 4b, 4n) ou les trajets de signaux multiples sont déterminés, combinés et filtrés, ce afin de produire une mesure améliorée de la qualité des signaux sur la liaison aller. Les bits de commande de puissance de liaison retour (12a, 12b) jugés non fiables sont omis dans l'utilisation de la boucle de commande de puissance. La station distante (6) fournit une série de bits de commande de puissance de liaison aller sur la base des mesures effectuées, et transmet ces bits à toutes les stations de base (4a, 4b, 4n) communiquant avec la station distante (6). Chaque station de base (4a, 4b, 4n) ajuste son gain pour le canal de trafic aller (10a) en fonction de l'évaluation qu'elle fait des bits de commande de puissance sur liaison aller. Le gain des canaux de trafic aller (10a) des stations de base (4a, 4b, 4n) est ajusté régulièrement de sorte que la réception erronée des bits de commande de puissance sur liaison aller par les stations de base ne s'accumule pas.
Patent CA-2287885-C (CA)
Inventor: BRANDENBURG ALLEN EUGENE
IPC: A47K5/12
Filed: 1998-06-05
Granted: 2006-01-10
Abstract: A dispensing system for flowable liquids that includes a dispensing base (12) for holding a refill package of a flowable liquid. A door (16) is pivotally mounted to the dispensing base (12) by a first pivot means (24) so that the door (16) can have an open position and a closed position. The system has a push handle (18) pivotally mounted to the door (16) by a second pivot means (30) and a latching means (36) integral with the dispensing base (12) to pivotally secure the push handle (18) at the second pivot means (30) when the door (16) is closed so that the door (16) is held secure in the closed position and the push handle (18) may be used for dispensing. The dispensing system also includes a release means (40) for disengaging the push handle (18) from the latch means (36) so that the door (16) may be moved to its open position.
Patent CA-2296851-C (CA)
Inventor: KERSCH ROBERT
IPC: B41F13/14
Filed: 2000-01-25
Granted: 2004-12-07
Abstract: An apparatus constructed which accurately guides and adjusts a cylinder axially in a rotary printing machine. For this purpose, an electromagnetic system, with which an axial force can be applied to the cylinder, is arranged on the frame of the rotary printing machine. The cylinder is mounted in mountings that permit axial displacement.
Patent CA-2298971-C (CA)
Title: Foam formulations
Inventor: CUNDASAMY EDWARD N
IPC: C09K23/10
Filed: 2000-02-18
Granted: 2008-07-22
Abstract: The invention disclosed relates to a foam-forming composition, for suppression/containment of blast from explosive devices. The composition comprises, a) a surfactant 40-80% w/w b) a foam stabilizer 0-7% w/w c) a polyalkylene glycol 10-30% w/w d) water, balance to 100%
Patent CA-2299285-C (CA)
Title: Procede et dispositif pour produire des jeux de base s'utilisant en analyse spectrometrique
Inventor: HAZEN KEVIN H
IPC: G01N21/35
Filed: 1998-07-27
Granted: 2006-01-24
Abstract: Un ou plusieurs jeux de base sont appliqués à un signal spectrométrique pendant l'analyse pour produire une représentation spectrale précise sur la base de laquelle la concentration de la substance à analyser peut être déterminée avec exactitude. Un jeu de base comprend tous les éléments perturbateurs trouvés dans l'échantillon, comme du sérum. Pour ce qui est d'une matière à analyser telle que du glucose, il faut définir les éléments d'un échantillon dont le pouvoir perturbateur est supérieur à celui du glucose. Il est par exemple possible de produire un jeu de base qui donne lieu à une transformée pour les globules rouges qui perturbent ou diffusent la lumière, ainsi que pour les effets de peau. Dès que le spectre de tous ces éléments est connu, il faut déterminer la manière dont chacun de ces éléments agit en interaction, par ex. à l'aide de données sériques, par extraction de chacun des éléments, puis par comparaison du spectre pour les éléments individuels avec celui des éléments en solution. Selon l'invention, il est prévu de caractériser chaque élément dans un échantillon, de même que tous les autres éléments perturbateurs possibles. Après représentation précise de chaque élément à chacune des fréquences significatives, il est prévu d'identifier chaque élément perturbateur et de le soustraire du spectre produit à la fréquence significative. Les jeux de base peuvent se présenter sous forme de transformées susceptibles d'être mémorisées dans une table de recherche à consulter pendant l'analyse.
Patent CA-2299586-C (CA)
Title: Human glial cell line-derived neurotrophic factor promoters, vectors containing same, and methods of screening compounds therewith
Inventor: JOHNSON RANDOLPH MELLUS
IPC: C12N15/09
Filed: 1998-07-23
Granted: 2007-09-18
Abstract: The distal and proximal promoters for the human glial cell line-derived neurotrophic factor (GDNF) gene are provided. In addition, constructs comprising a human GDNF promoter and a reporter gene, a vector comprising the construct and a host cell comprising the vector are provided, as is a method for screening compounds capable of modulating the expression of GDNF by stimulating GDNF promoter-directed transcription.
Patent CA-2302069-C (CA)
Inventor: ESPINOSA ANTONIO BELISARIO DUR
IPC: B65G49/04
Filed: 2000-03-23
Granted: 2005-02-01
Abstract: A circuit-like system which includes a lower conveyor line, an upper conveyor line and a pair of lift or transfer mechanisms at the end of each line constructed for moving a work piece. A travel and hoist mechanism and a beam assembly are provided for discontinuously moving work pieces along the lower line and raising and lowering them for treatment. A hook assembly is provided for restraining the downward movement of a work piece at a selected location when the hook assembly is in an operative position. The lift or transfer mechanism is provided which includes telescoping arms for grasping a work piece, which arms are carried by a vertically moveable carrier that is mounted in a stationary frame.
Patent CA-2305338-C (CA)
Inventor: NIYOGI SUHAS G
IPC: C08F255/04
Filed: 1999-07-29
Granted: 2004-02-10
Abstract: The thermal oxidative stability of acrylic grafted polymers is improved by (a) graft polymerizing monomers selected from the group consisting of (i) an ester or salt of an unsubstituted or 1-3 C alkyl-substituted acrylic acid and (ii) an ester or salt of an unsubstituted or 1-3 C alkyl-substituted acrylic acid and about 1 to about 10 mole %, based on the total monomers added, of an unsubstituted or 1-3 C alkyl-substituted acrylic acid, to a backbone of a propylene polymer material in the presence of a 4-vinyl-substituted 5-12 C cyclic 1-alkene, wherein the total amount of polymerized monomer is about 20 to about 200 parts per hundred parts of the propylene polymer material and the vinyl-substituted cyclic alkene is present in an amount of about 1 mole % to about 30 mole %, based on the total moles of monomer added, and (b) removing any unreacted grafting monomer from the resulting grafted propylene polymer material, decomposing any unreacted initiator, and deactivating any residual free radicals in the material, wherein steps (a) and (b) are carried out in a substantially non-oxidizing environment.
Patent CA-2316607-C (CA)
Inventor: SAXBY MICHAEL ERNEST
IPC: F42B8/02
Filed: 2000-08-24
Granted: 2008-12-09
Abstract: A cartridge for use in non-lethal applications comprises an anterior portion and a posterior portion. The posterior portion of the cartridge includes a recycling mechanism which is initiated on activation of a first primer. The anterior portion comprises a source of energetic material which is initiatable by a reaction produced on activation of the first primer to create an audible and/or visible signal.