baber/WOPTO huggingface dataset:
Patent CA-2104580-A1 (CA)
Title: System and method for joining plastic materials
Inventor: ROSS JAMES B
IPC: B21F3/04
Filed: 1992-02-20
Abstract: The invention provides a system and method for joining plastic members including heaters fabricated from a conductive wire (26) coated with a ferromagnetic material (28) and providing ratios of at least 4 to 1 between the areas over the spaces between wires (58) and the area of the wires surrounding the open spaces; the heaters being located preferably between plastic members to be joined. The heaters (58) may be located adjacent the two ends of a plastic connector adapted to receive a pipe in at least one and probably two ends with the heaters being activated preferably by induction heating to produce welding of the plastics to one another. One form of heater is fabricated on a hollow cylindrical mandrel (16) having helical grooves in which the wire is wound and having radial hales arranged in axially extending rows spaced circumferentially about the mandrel so the axially extending wires may be spot welded to the wires in the helical grooves at each hole. Rings of wire may also be held together by axially extending grooves. Saddle fittings and patches (148) may also be applied to pipes or other plastic members employing said heaters. Induction coils in the form of clamshell (43) and jaw-like structures may be employed as appropriate to energize such heaters and flexible coil structures may also be employed.
Patent CA-2105360-A1 (CA)
Inventor: WILL DAVID J
IPC: B23K26/28
Filed: 1993-09-01
Abstract: A method and apparatus are disclosed for securing an end of a headbox flow tube to an end plate. The method includes the steps of laser cutting the end plate such that the end plate defines an opening for reception therein of the end of the flow tube. The end of the flow tube is positioned within the opening, and the end of the flow tube is laser welded to the end plate in the vicinity of the opening for generating a water tight seal between the end of the flow tube and the end plate.
Patent CA-2107712-A1 (CA)
Inventor: FAVOT JEAN-JACQUES
IPC: G06F3/038
Filed: 1993-10-05
Abstract: 17 PROCEDE ET DISPOSITIF D'ANALYSE D'UN MESSAGE FOURNI PAR DES MOYENS D'INTERACTION A UN SYSTEME DE DIALOGUE HOMME-MACHINE L'invention concerne un procédé et dispositif d'analyse d'un message fourni par des moyens d'interaction à un système de dialogue homme-machine. Le procédé comprend trois étapes consécutives, une première étape d'analyse syntaxique (1, 2, 3), une deuxième étape d'analyse sémantique (5) et une troisième étape d'analyse d'exécution (6). L'analyse syntaxique (1, 2, 3) évalue la conformité d'un message (4) fourni par les moyens d'interaction à une forme de dialogue prédéfinie, l'analyse sémantique (5) évalue le sens de la demande de l'opérateur dialoguant avec la machine et l'analyse d'exécution (6) détermine la réalisation d'une action à entreprendre issue de l'étape d'analyse sémantique. Application : Systèmes de dialogue homme-machine comportant plusieurs moyens d'interaction tels que la parole, le geste ou le regard notamment. Figure 1.
Patent CA-2108283-A1 (CA)
Title: Method for coldstarting a piston engine and means for carrying out the method
Inventor: GUSTAVSSON TOMMY
IPC: F02D9/04
Filed: 1992-04-03
Abstract: The invention relates to a method and device for cold starting of piston-type combustion engines. During a first step, the blocking of the fuel supply to the engine s combustion chambers is ensured during cranking of the engine, whereby air is compressed in the engine for the purposes of warming up the engine's combustion chambers by generated compression heat. During a second step, fuel supply is effected during further cranking until ignition occurs, whereby the first step is continued for a predetermined number of revolutions of cranking of the engine.
Patent CA-2108497-A1 (CA)
Inventor: PALAZZOLO SANTO
IPC: A61C13/087
Filed: 1993-10-15
Abstract: The copy of a complete or partial denture is obtained by impression of the denture in a flask with distinct impressions made in plaster for the gum base and  in  silicone  resin  for the  dental  arch,  the duplicate of the denture being formed by formation of the teeth and respectively of the gum base using respective polymerizable materials in the same flask. (Figure 8)
Patent CA-2108676-A1 (CA)
Title: Method for dyeing keratin fibers with aminoindoles having alkaline ph, and compositions therefor
Inventor: LANG GERARD
IPC: A61K8/34
Filed: 1992-03-30
Abstract: A method for dyeing keratin fibres wherein a composition containing at least one coupler in a medium suitable for dyeing is applied to said fibres. Said coupler has formula (I), wherein R1? is hydrogen or alkyl; R2? and R3? are hydrogen, alkyl or COOR' where R' is alkyl or hydrogen with at least one of groups R2? and R3? being hydrogen; R4? is hydrogen, alkyl, hydroxyalkyl, polyhydroxyalkyl or aminoalkyl; Z1? and Z2? are hydrogen, alkyl, hydroxyl, halogen or alkoxy with at least one of groups Z1? and Z2? being different from hydrogen. Said composition further contains at least one oxidation dye precursor and at least one oxidizing agent, the pH of the composition applied to the fibres being higher than 7.
Patent CA-2110254-A1 (CA)
Inventor: SQUIZZATO MARK L
IPC: B08B9/087
Filed: 1993-11-29
Abstract: A low cost pool sweep is provided having a hose that connects into an exhaust port of a filtration system which supplies a jet of water to propel the hose about the pool to sweep otherwise undisturbed areas and to activate sediment into suspension for filtration.
Patent CA-2110296-A1 (CA)
Title: Methods and reagents for performing ion-capture digoxin assays
Inventor: KLINE STEVEN
IPC: G01N33/538
Filed: 1992-04-10
Abstract: The present invention includes novel digoxin assays employing a capture reagent, involving a first binding member conjugated to a polymeric anion substance, and a solid phase material containing a reaction site comprising a polymeric cation substance having a nitrogen content of at least about two percent. A test sample suspected of containing the analyte of interest may be contacted with the capture reagent to form a charged capture reagent/analyte complex. The complex is then contacted to the oppositely charged solid phase to attract, attach, and immobilize the capture reagent/analyte complex.
Patent CA-2110919-A1 (CA)
Title: Method for Removing Oil Spills Using a Natural, Recyclable Absorbent
Inventor: BROWN ADRIA
IPC: C02F1/68
Filed: 1992-06-09
Abstract: There is provided a method for removing substantial quantities of an organic substance such as oil, from earth surface materials, such as bodies of water, using entire dried corn cobs in their natural state. The corn cobs may, thereafter, be used as an alternate fuel source.
Patent CA-2112074-A1 (CA)
Title: Cab step assembly
Inventor: BRUNS WESLEY W
IPC: B60R3/02
Filed: 1993-12-21
Abstract: A crop sprayer cab has a step assembly facilitating ingress and egress of the operator into and out of the cab. The step assembly has floor and step sections operable for movement between an up closed position and a down step position relative to the floor of the cab. Links connected to the cab floor and the floor section limit downward movement of the step section and allow the step assembly to be moved to a closed position. A hand operated lever is operable to pivot the step assembly to the up closed position.
Patent CA-2112780-A1 (CA)
Title: Pipe connector
Inventor: PARK SIL-SANG
IPC: F16L19/065
Filed: 1994-01-04
Abstract: ABSTRACT OF THE DISCLOSURE    A pipe connector capable of tightly coupling pipes at opposite ends thereof   The pipe connector includes a nipple including a first pipe member and a second pipe member adapted to receive one end of a pipe to be coupled to the nipple, a clamp member adapted to be threadedly coupled to the second pipe member, an inner pipe portion formed radially inwardly of the second pipe member to extend in a longitudinal direction of the second pipe member, an annular space defined between the second pipe member and the inner pipe portion and adapted to receive the one end of the pipe, a spacer extending from an outer  end  of  the  second  pipe  member  in  a  longitudinal direction of the second pipe member, the spacer being adapted to be pressed against an outer surface of the pipe toward a center line of the pipe by the inclined surface of the clamp member when the clamp member is fastened under a condition that the one end of the pipe has been received in the annular space, whereby the pipe is partially depressed by the spacer, and an annular groove formed on an outer surface of the inner pipe portion and adapted to receive the depressed portion of the pipe.
Patent CA-2114714-A1 (CA)
Title: Pipe cutter
Inventor: POTTER LAURENCE J
IPC: B23D21/10
Filed: 1992-08-03
Abstract: ABSTRACT OF THE DISCLOSURE      A free-standing pipe cutter has a stand formed of three legs, supporting a split clamping sleeve, part of which is secured to a guide sleeve for a rotary cutter assembly rotatable on an annular path, so that a cutter blade engages a pipe clamped by the sleeve, the cutter blade being advanced during such rotation to cut the pipe progressively more deeply, in use, by rotation of a manual operating member relative to the cutter.  The legs of the stand are capable of being re-positioned to convert the pipe cutter from right handed operation to left-handed operation or vice versa.
Patent CA-2115521-A1 (CA)
Title: Teletext signal recording and reproducing apparatus
Inventor: OGURO MASAKI
IPC: H04N5/935
Filed: 1994-02-11
Abstract: A digital video tape recorder records a teletext signal together with a digital video signal on a magnetic tape. The teletext signal is extracted from a broadcast video signal and recorded in the form of binary data in auxiliary data areas of a video signal recording region in each recording track on the magnetic tape.
Patent CA-2118197-A1 (CA)
Title: Measurement of cross-linking by products in crosslinked polyethylene
Inventor: BAMJI SOLI S
IPC: G01N21/71
Filed: 1994-10-14
Abstract: At present, concentration of the crosslinking by- products crosslinked polyethylene used as insulation in high voltage cables is determined by a cumbersome, time consuming method involving taking a sample of the polymer, extracting volatile crosslinking by-products which affect the strength of the cable, and analyzing the by-products using a mass spectrometer. A novel method of in-situ measurement of the concentration of the crosslinking by-products in power cable insulation includes the step of detecting the thermoluminescence emitted during the initial heating required to reduce the crosslinking by-products in the polymer prior to the electrical tests. Measurement of the intensity of thermoluminescence provides a direct indication of the by- product concentration which can be correlated to the electrical strength of the insulation.
Patent CA-2118955-A1 (CA)
Title: Device for encoding sequences of frames constituted by film-type images and video-type images, and corresponding decoding device
Inventor: GUEDE FREDEDRIQUE
IPC: H04N7/01
Filed: 1994-03-14
Abstract: Device for encoding sequences of frames constituted by film-type images and video-type images, and corresponding decoding device.        A device of this type provides the possibility of encoding sequences of frames constituted by video-type images of a first frequency (for example, 30 Hz) and film-type images whose original frequency is lower than this first frequency (for example, 24 Hz) and which are converted by means of the "3:2 pulldown"  technique.        This encoding device comprises:   - means (53, 56, 57 for detecting the sequences of film-type images from the stream of input data, - a device (58) for preprocessing these sequences for realising an inverse conversion of the frequency by eliminating, before encoding, the redundant information introduced by the use of the "3:2 pulldown" method.   Application: Transmission of film-type images on American or Japanese television systems operating at 60 Hz.      Reference: Fig. 8.
Patent CA-2121387-A1 (CA)
Title: Method for Bleaching Lignocellulose-Containing Pulp
Inventor: HOLTINGER LILLEMOR
IPC: D21C9/10
Filed: 1994-04-15
Abstract: In a method for bleaching lignocellulose-containing pulp with a peroxide-containing compound, the pulp is, prior to the bleaching and in optional order, subjected to acid treatment at a pH of up to about 5 and treated with a complexing agent in order to release transition metal ions from their positions in the pulp. After the acid treatment, a magnesium compound and a calcium compound are added to the pulp at a pH of from about 3,5 to about 8 in order to reintroduce an optimum amount of magnesium and calcium ions into the pulp. The pulp is then bleached with a peroxide-containing compound at a pH of from about 7 to about 13.
Patent CA-2124679-A1 (CA)
Title: Package with replaceable inner receptacle having large integrally molded fitment
Inventor: KOCK RONALD W
IPC: B05B11/00
Filed: 1992-12-10
Abstract: An inner receptacle (20) having a single integral piece flexible bag (22) including a thin walled portion (24) and a rigid fitment portion (26). The fitment portion (26) includes a flange (42) which is larger in diameter than the flexible bag (22) to provide a mechanism to attach the inner receptacle (20) to a bottle. The fitment portion (26) also provides a finger grasping portion. The inner receptacle (20) may be utilized in, for example, a squeeze pump package, a trigger or finger pump package, or a mechanical pump package. The inner receptacle (20) also includes a mechanism (36) for enabling substantially all of the product therein to be dispensed. One such mechanism is provided by a perforated diptube (36). Another such mechanism is provided by the combination of a resiliently deformable upper half and a collapsible lower half to cause the flexible bag to invert upon itself. These single integral piece flexible bags are preferably made by a modified press-blowing process wherein an increased range of motion is provided by a rack and pinion mechanism to enable formation of the large flange.
Patent CA-2126643-A1 (CA)
Inventor: PASTECKI PETER A
IPC: A23G3/24
Filed: 1994-06-23
Abstract: An apparatus 10 for holding and subsequently releasing a solid compact medicament, such as a caplet (A) during processing comprises first and second members 12,14.  First and second members 12,14 each has surface 16,22, respectively, comprising at least one substantially similar notch 18,24 opposed and correspondingly aligned one another and extending beyond the respective surfaces 16,22.  Adjacent each notch 18,24, the respective surface 16,22 has a chamber 26,32.  A portion of each notch 18,24 is freely disposed in the chamber 26,32 of the other so that the opposed notches 18,24, defining a gripping jaw, can move freely in the chamber 26,32 of the other. Further, means are provided for urging the first and second member 12,14 from a first position wherein the gripping jaw 34 formed by the opposed notches 18,24 are open to receive and subsequently release a solid compact medicament, to a second position wherein the gripping jaw 34 at least partially closes firmly capturing a circumferential portion of the solid compact medicament therein for processing.
Patent CA-2130039-A1 (CA)
Title: Method of maximizing the efficiency of an environmental control system including a programmable thermostat
Inventor: BIRD DOUGLAS D
IPC: G05D23/19
Filed: 1994-08-12
Abstract: METHOD OF MAXIMIZING THE EFFICIENCY OF AN ENVIRONMENTAL CONTROL SYSTEM INCLUDING A        PROGRAMMABLE THERMOSTAT                           ABSTRACT A process which is periodically executed by a programmable thermostat of a heating and cooling system which controls the temperature of a defined space within a structure subjected to a variable external environment. The process advances by an increment of time, .DELTA.t, when the set point temperature of the thermostat changes from an occupied set point temperature to an unoccupied set point temperature. The magnitude of .DELTA.t is a function of the thermal lag of the structure, its external environment, and an amount of temperature change that is acceptable to occupants of the space. Each time the process is executed, the magnitude within predetermined limits of .DELTA.t to be used the next time the process is executed is recalculated.
Patent CA-2132627-A1 (CA)
Title: Fast drying colored or non colored nail varnish
Inventor: DE LA POTERIE VALERIE
IPC: A61K8/69
Filed: 1994-01-25
Abstract: A coloured or colourless nail varnish containing, in a varnish solvent system, a film-forming substance, a resin and a plasticizer as well as a combination of (i) 0.05-5 wt % of an amino or thio silicone and (ii) 0.05-5 wt % of an organofluorinated hydrocarbon compound, the total weight of (i) + (ii) being at most 5 wt % of the total weight of the varnish. The varnishes have an improved drying time.
Patent CA-2133451-A1 (CA)
Title: Ternary azeotropic compositions
Inventor: MERCHANT ABID N
IPC: C08J9/14
Filed: 1993-04-01
Abstract: Azeotropic or azeotrope-like compositions of effective amounts of 1,1,2,2,3,3,4,4-octofluorobutane; trans-1,2-dichloroethylene, cis-1,2-dichloro-ethylene, 1,1-dichloroethane, or 1,3-dichloro-1,2,2,3,3-HCFC-225cb; and an alcohol such as methanol, ethanol, or isopropanol, to form an azeotropic or azeotrope-like composition are disclosed that are useful as cleaning agents, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes and as power cycle working fluids.
Patent CA-2134168-A1 (CA)
Inventor: LAGACE FREDERIC
IPC: F24F11/00
Filed: 1994-10-24
Abstract: The present invention relates to an apparatus for ventilation systems which include an element for the transfer of heat from warm exhaust air (taken from inside a building) to cooler exterior fresh air which is drawn into the building. The present invention in particular provides an apparatus whereby, during a defrost cycle, interior air may circulate through both of the fresh air and exhaust air paths for delivery back into the building, i.e. the warm interior air, used as defrost air, may be able to circulate from the interior of the building into the ventilation apparatus and back to the interior of the building. The apparatus can thus use interior air as defrost air while diminishing or avoiding the creation of a negative air pressure in the building.
Patent CA-2134773-A1 (CA)
Title: Methods and compositions for in vivo gene therapy
Inventor: DEBS ROBERT J
IPC: A61K47/48
Filed: 1993-06-04
Abstract: Novel methods and compositions are provided for introducing a gene capable of modulating the genotype and phenotype into two or more tissues following systemic administration. The gene can be introduced into a mammalian host by way of an expression vector either as naked DNA or associated with lipid carriers, particularly cationic lipid carriers. Multiple individual tisssues can be transfected using naked DNA. Using a DNA: lipid carrier complex, multiple tissues and cell types can be transfected. The techniques and compositions find use in the palliation or treatment of any of a variety of genetic-based disorders.
Patent CA-2134781-A1 (CA)
Inventor: LUCIEN JOURQUIN
IPC: B29K75/00
Filed: 1993-05-18
Abstract: In the method according to the invention, a layer of polyurethane elastomer for obtaining a polyurethane skin (5) is produced, in a first step, against a mould surface (1). In a second step, a reaction mixture for obtaining a polyurethane foam aver (6) is applied against this polyurethane skin (5). In a third step, a suitable polyurethane or polyisocyanurate reaction mixture for obtaining a rigid synthetic carrier (8) is applied against the polyurethane foam layer (6). In this way, a synthetic trim part is obtained which is easier to recycle. This method can moreover also be performed easier.
Patent CA-2135346-A1 (CA)
Title: Natural mixture composed of higher primary aliphatic alcohols obtained from bee wax for the treatment of gastric and duodenal ulcers that also presents antiinflamatory activity
Inventor: HERNANDEZ JUAN M
IPC: A61K31/045
Filed: 1994-11-08
Abstract: This invention is related with the obtention of a new natural mixture composed by higher primary aliphatic alcohols, eventually in an extended range of 22 to 38 carbon atoms, specially those between 24 and 34 carbon atoms and more specially those of 24, 26, 28, 30, 32 and 34 carbon atoms. This mixture showy a relative composition of each alcohol that is highly reproducible from batch to batch and is obtained from bee wax.        This natural mixture has been used, with efficacy, as an active principle, in different pharmaceutical formulations used against ulcer, and/or protector of the gastric and duodenal mucose, and shows antiinflamatory activity administered by topical, oral or parenteral route.
Patent CA-2138280-A1 (CA)
Title: Diffractive/refractive spectacle and intraocular lens system for age-related macular degeneration
Inventor: KOCH DONALD G
IPC: A61F2/16
Filed: 1993-06-07
Abstract: An ophthalmic lens system (11), including an IOL (15) having a negative IOL lens portion (22) and a positive lens (13) adapted to be outside the eye and direct light toward the negative IOL lens portion. At least one of the surfaces of at least one of the lenses has a diffractive portion.
Patent CA-2140700-A1 (CA)
Title: Solid superacid catalysts comprising platinum metal and hydrocarbon conversion processes using same
Inventor: UMANSKY BENJAMIN S
IPC: C10G45/62
Filed: 1995-01-20
Abstract: A sulfated solid catalyst is provided which comprises (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron.  One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese. The catalyst of the invention is useful for the isomerization of normal alkanes having 4 to 40 carbon atoms per molecule, for the naphtha upgrading of a hydrocarbon feedstock and for the hydrocracking of a hydrocarbon feedstock.
Patent CA-2141394-A1 (CA)
Inventor: HEROLD WOLFGANG
IPC: F16G3/02
Filed: 1995-01-30
Abstract: The invention concern a coupling bar for connecting <lacing up> conveyor belts (4, 5), which have at their ends (6, 7) connection elements (8, 9) with coupling eyelets (10, 11). Each time, there are also core pieces (2) of defined lengths aligned within the interior (12) of a casing element The crux of the invention lies in the fact, that the casing element (3) consists of a relatively soft material, which can give during operations, and the core pieces (2) are aligned in such a way, that they extend through at least two coupling eyelets (10, 11).
Patent CA-2141510-A1 (CA)
Title: Tubing String Hanging Apparatus
Inventor: WRIGHT ANDREW
IPC: E21B33/04
Filed: 1995-01-31
Abstract: An apparatus for rotatably hanging a tubing string in the wellhead of a well casing. The apparatus includes a tubing hanger shell that has a mandrel rotatably mounted therein. The mandrel has upper and lower ends with the upper end connected to a tubing rotator and the lower end engaging a tubing string. To facilitate the connection and disengagement of the mandrel to the tubing rotator, a hollow sleeve is used to couple the parts together. The hollow sleeve is received within the mandrel and has longitudinal splines which engage corresponding splines on the mandrel to transfer rotational energy from the rotator to the mandrel. The rotator is removed from the mandrel through the application of force, and through movement, in a direction parallel to the longitudinal axis of the tubing string.