baber/WOPTO huggingface dataset:
Patent CA-2130728-C (CA)
Inventor: BURGESS COY HARLOW
IPC: A62C2/24
Filed: 1994-08-23
Granted: 1998-11-24
Abstract: A closure apparatus for closing an opening in a partition with a frame disposed around the opening includes a drum member rotatably mounted to the partition at the top end of the opening.  It also includes a curtain member secured to the drum member.  The curtain member winds around the drum member to move out of the opening in the partition; and it extends from the drum member to close the opening.  A counterweight connected to the drum member offsets the weight of the curtain member; and a reducing weight reduces the weight of the counterweight to allow the curtain member to drop from a raised position.  An activating assembly engages the reducing weight with the counterweight and allows the curtain member to unwind from the drum member and close the opening.
Patent CA-2135630-C (CA)
Title: Hiv protein epitopes immunologically homologous to hla
Inventor: BERETTA ALBERTO
IPC: A61P31/18
Filed: 1993-05-10
Granted: 2005-03-22
Abstract: Immunological homologous epitopes of HLA and HIV virus proteins, particularly gp160, are described, to be used for diagnostics and for producing vaccines.
Patent CA-2136781-C (CA)
Title: Direct contact water heater with indirect contact section
Inventor: DALLAIRE MICHEL
IPC: F24H1/34
Filed: 1994-11-28
Granted: 2006-05-23
Abstract: A direct contact water heater having an indirect contact section, and its method of operation are described. The water heater is comprised of an elongated vertical tubular housing having a water spray nozzle in an upper end thereof for spraying water substantially uniformly over a packing of heat exchange bodies. An intermediate space is provided below the packing where begins the direct contact section of the water heater. A burner chamber is provided at the bottom of the housing below an intermediate reservoir and is provided with a heat source. Heat from the heat source circulates in counter-current flow with the water percolating through the housing from the packing located at the top of the housing. The indirect contact section is located at the bottom of the housing and comprises an intermediate reservoir, a cooling chamber around the burner chamber and a heat exchange coil.
Patent CA-2138867-C (CA)
Title: Stairtread made of a combination of high quality wood and low quality material
Inventor: BELLEGARDE RENE
IPC: E04F11/108
Filed: 1994-12-22
Granted: 2001-03-20
Abstract: The wooden stairtread has the aesthetic appearance of a solid wood stairtread and presents a structural stability comparable to that of wood treads, but comprises a core layer consisting of lamellas of low quality material glued laterally adjacent to each other. On the top surface of the core layer are glued laterally adjacent to each other top lamellas of high quality wood. Underneath lamellas consisting of high quality wood may also be glued laterally adjacent to each other on the bottom surface of the core layer to form a tread of which the underside is made of high quality wood covering the low quality core. Finally an elongate nose member is applied and glued to a longitudinal edge surface of the core layer.  Use of low quality material such as low quality wood helps to preserve our natural resources and to reduce consumption of high quality wood material becoming every day more rare and difficult to obtain.
Patent CA-2140948-C (CA)
Inventor: CAREY JAY F II
IPC: B32B15/18
Filed: 1995-01-24
Granted: 2004-04-20
Abstract: A corrosion-resistant coloured architectural material which is essentially lead free and is not highly reflective. The coating on the material is a two-phase metallic coating comprised of a large weight percentage of zinc and a relatively large weight percentage of tin. The tin-zinc coating may also include nickel. The tin-zinc composition provides for both a highly corrosive-resistant coating which protects the surface of the architectural material from oxidation and also produces a grey, earth tone coloured which is not highly reflective.
Patent CA-2142594-C (CA)
Title: Segmented document transport section having accelerated take-away belts
Inventor: RICCIARDI MARIO
IPC: B65H1/14
Filed: 1993-08-18
Granted: 2000-12-19
Abstract: A transport section for a document-handling machine includes a pair of horizontally-oriented feed belts (1) which act in conjunction with segment flaps (4) on a segmented, vertically-oriented feed belt (3) to deliver groupings of mail items (5) in a feeding direction. A set of horizontally-oriented take-away belts (7) receives documents from the horizontally-oriented feed belts (1) and transports them at an accelerated speed with respect to the horizontally-oriented feed belts (1). The accelerated speed of the take-away belts (7) is used to compensate for the acceleration of each given document by the tips of the flaps (4) as the flaps round the corner at the end of their run.
Patent CA-2146866-C (CA)
Title: A method and a device for determining the distance from a measuring station to a fault on a transmission line
Inventor: ERIKSSON LEIF
IPC: G01R31/08
Filed: 1993-09-14
Granted: 1996-05-28
Abstract: A method and a device for determining the distance from a measuring station to a fault on a transmission line based on a fault model of a transmission network while taking into consideration the zero-sequence impedance and, where assuming a fault current, while taking into consideration the feeding of fault current to the fault point from both ends of the transmission line.
Patent CA-2150231-C (CA)
Inventor: SCOTT DONALD S
IPC: C10G1/02
Filed: 1993-11-24
Granted: 2000-09-05
Abstract: A high conversion of biomass, such as wood, sawdust, bark, or agricultural wastes, to liquids is obtained by pyrolysis at short reaction times in a reactor capable of high heat transfer rates; the reactor being of the fluidized bed, circulating fluidized bed or transport type in which the conveying gas contains low and carefully controlled amounts of oxygen, allowing a reaction system with tow concentrations of carbon monoxide or flammable gases with a resulting improvement in operating safety and potential improvement in thermal efficiency and capital costs. The oxidation steps may be carried out in one or two stages.  The resulting liquid product may be used as an alternative liquid fuel or as a source of high-value chemicals.
Patent CA-2151347-C (CA)
Inventor: MARTIN WALLACE ANTHONY
IPC: G02C7/04
Filed: 1995-06-08
Granted: 2006-08-29
Abstract: Disclosed are a method and apparatus for molding contact lenses by curing polymerizable compositions in suitably dimensioned molds using ultraviolet or other polymerization-inducing radiation and heat. The molds are moved along a source of radiation such that the intensity of the radiation to which the composition is exposed rises and falls several times, thereby achieving superior results by balancing the initiation and the propagation of the polymerization.
Patent CA-2152774-C (CA)
Title: Treatment of rubber to form bituminous compositions
Inventor: LIANG ZHI-ZHONG
IPC: C08L23/00
Filed: 1993-12-29
Granted: 2002-06-25
Abstract: Rubber, particularly crumb rubber from the recycling of tyres, is processed to effect partial or high levels of dissociation of rubber vulcanate network, in particular to form bituminous compositions in which the treated rubber, carbon black and other additives released are stably dispersed. Bitumen, hydrocarbon oil and liquid rubber are used to effect penetration, swelling and compatibilization of the rubber particles, following which thermal energy and mechanical energy are applied to initiate breakdown of the vulcanized structure of the rubber particles and the formation of at least partially dissociated rubber vulcanate network. Such treated rubber may be further reacted and combined for employment in the production of stabilized polymer modified bitumen composition.
Patent CA-2157102-C (CA)
Title: Mobile satellite terminal equipment
Inventor: SUEMITSU GORO
IPC: H01Q1/24
Filed: 1995-08-28
Granted: 2000-05-09
Abstract: A satellite system antenna/high frequency unit of a mobile terminal of the present invention is constructed with a satellite system antenna for a mobile satellite communication system and a satellite system high frequency circuit and a first interface is provided externally of a casing of the unit.  A ground system antenna/high frequency unit is constructed with a ground system antenna for a mobile ground communication system and a ground system high frequency circuit and a second interface is provided externally of a casing of the unit.  A radio control unit includes a circuit portion within a casing thereof for demodulating a receiving signal to an input intermediate frequency signal and modulating a transmission signal and converting it into an intermediate frequency signal.          The radio control unit further includes a radio control interface and a set of switches provided externally of the casing and, in use, only one of the first and second interfaces is connected to the radio control interface.    The present mobile equipment can be used in an area which is not covered by a satellite by using a relay device for converting the mobile satellite system into the mobile ground system.
Patent CA-2164238-C (CA)
Title: Frame-shift detecting device and a video-recording apparatus
Inventor: ARAMAKI HIROSHI
IPC: H04N19/50
Filed: 1995-12-01
Granted: 2000-02-22
Abstract: A frame-shift detecting device includes: a movement-vector detecting portion determining a movement-vector between image frames by comparing a preceding image frame with a current image frame during image taking; and a frame-shift detecting portion for summing up horizontal and vertical components of the movement-vector separately in order to detect a shift-direction or shift-quantity of the image-pickup frame from the start of counting operation. A video recording apparatus includes: a video recording portion for recording image frames during image taking; a movement-vector detecting portion; and a frame-shift detecting portion, and the video recording portion records a first video frame at the start of the counting operation and a second video frame at the time when the frame-shift detecting portion detects that the image-pickup frame has been shifted by a specific shift distance.
Patent CA-2165735-C (CA)
Inventor: FOX THOMAS RUSSELL
IPC: A01D57/02
Filed: 1995-12-20
Granted: 2003-07-15
Abstract: A reel of a header comprises a tube which is mounted on arms at ends of the tube for rotation about a longitudinal axis of the tube. At axially spaced positions along the length of the tube is provided a plurality of support members each lying in a radial plane of the tube and farming a disc surrounding the tube. The disc carries a plurality of brackets extending radially outwardly from the edge of the disc and each bracket carries a respective one of a plurality of bats extending longitudinally of the tube and at angularly spaced positions around the tube.  As the tube rotates the bats pass over a sickle knife of the header and sweep the crop onto a table of the header. The brackets are adjustable radially relative to the discs so that the brackets at the center of the tube are moved radially inwardly and the brackets at the ends of the tube are moved radially outwardly. This adjustment bends the bat relative to the tube in a slight curvature which is equal to the amount of deflection of the tube which occurs under its own weight due to sagging and due to acceleration of the tube over bumps. Thus the bat underneath the tube is substantially straight and can cooperate with a straight sickle knife. The bat which is above the tube is bent by a deflection which is substantially equal to double the deflection of the tube.
Patent CA-2173603-C (CA)
Inventor: GRIER LAURA ANN
IPC: C08G18/24
Filed: 1992-10-09
Granted: 2003-06-24
Abstract: Novel catalyst compositions comprising complexes of tin (IV) salts and amine compounds are used to prepare polyure-thanes, polyureas, polycarbodiimides and polyisocyanurates. The complexes, which preferably employ primary amines, allow de-lay of gelation until they dissociate under certain reaction conditions. The complexes can be prepared neat, or in situ in an active hydrogen containing formulation component. The complexes serve to delay gelation of the formulation because they are relative-ly stable to moisture and will predictably dissociate upon heating, either as a result of the exothermic nature of the reaction being catalyzed or with application of an external heat source. The catalyst compositions are particularly useful for preparation of car-pet underlay and in other applications requiring significant delay prior to gelation.
Patent CA-2175215-C (CA)
Title: Semisynthetic analogs of rapamycin (macrolides) being immunomodulators
Inventor: OR YAT SUN
IPC: C07D498/18
Filed: 1994-11-07
Granted: 2008-06-03
Abstract: Novel macrolide compounds, semisynthetic analogs of Rapamycin, of formula (I) and pharma- ceutically acceptable salts, esters, amides and pro- drugs thereof, processes for the preparation of the compounds of the invention, intermediates useful in these processes, a pharmaceutical composition, and a method of treating immunomodulatory disorders are disclosed.
Patent CA-2179583-C (CA)
Title: Flow responsive pressure regulating unloader
Inventor: HOLDER DONALD
IPC: G05D16/06
Filed: 1996-06-20
Granted: 1999-05-25
Abstract: A flow responsive pressure regulating unloader suitable for use between a positive displacement fluid pump and a fluid consuming device connected to the pump. The unloader includes a housing having an inlet port connected to an outlet port, and a by-pass port. A fluid pressure regulating valve is connected between the inlet port and the by-pass port to limit the maximum fluid pressure at the inlet port. A flow responsive valve also is connected between the inlet port and the by-pass port. Fluid flow from the inlet port to the outlet port creates a pressure drop across an orifice. The pressure differential is applied across a piston to close the flow responsive valve. When flow from the outlet ceases, the pressures across the piston become equal and the fluid pressure on the flow responsive valve opens the valve to divert fluid to the by-pass port.
Patent CA-2180674-C (CA)
Inventor: MUENZEL KLAUS
IPC: F42C17/04
Filed: 1996-07-05
Granted: 2007-01-02
Abstract: In this more cost-effective, less elaborate method, the disintegration time is calculated from a predetermined muzzle velocity and a distance to the target and is transmitted to a receiver coil prior to firing. The receiver coil is connected via a comparator circuit (7) and a decoder (6) with a shift register (9), whose output is connected to a first comparator (6), so that the disintegration time is present on the outputs of the latter. A first counter (1), which is connected with a clock generator (2) and a programmable counter (3), is unblocked or blocked by the start-stop pulses, supplied via the receiver coil, of a muzzle velocity measuring device. The programmable counter (3) forms a clock signal from the number of the clock pulses, added in the first counter (1) during the unblocked time, and of the clock generator frequency, whose frequency is equal to the muzzle velocity and is supplied via a binary circuit (4) to a second counter (5). The output of the second counter (5) is connected with the first comparator (6), wherein a firing signal (Z) appears at the output of the first capacitor (6) when the counter reading of the second counter (5) and the reading of the shift register (9) are the same.
Patent CA-2180846-C (CA)
Inventor: EPSTEIN DAVID L
IPC: A61K31/19
Filed: 1995-01-03
Granted: 2005-12-06
Abstract: La présente invention se rapporte, en général, à des procédés de traitement des maladies de l'oeil, et en particulier, à des procédés de prévention ou de traitement de la pression intra-oculaire élevée et du glaucome. L'invention se rapporte également à des composés et à des compositions pouvant être utilisées dans ces procédés.
Patent CA-2181496-C (CA)
Title: Joining system for sectional lighting assembly
Inventor: HIRSCH WILLIAM
IPC: F21S4/00
Filed: 1996-07-18
Granted: 2001-01-09
Abstract: Individual fixture sections of a continuous row lighting assembly are joined together with end panels of adjacent sections abutting one another. The abutting end panels include registered apertures which carry an L-shaped fastener. Each fastener includes a first leg which engages the inner face of one end panel and a second leg having a threaded aperture which carries a screw. The screw is tightened to bear against the inner face of the other end panel to secure the fixture sections together in a continuous row.
Patent CA-2181623-C (CA)
Title: Combination of getter materials and device for containing the same
Inventor: MANINI PAOLO
IPC: A47J41/02
Filed: 1996-07-19
Granted: 2005-03-15
Abstract: A combination of getter materials particularly suitable to maintain vacuum in devices which cannot be heated at temperatures higher than about 200°C comprises: a) a mixture MO/Pd between an oxide of a transition metal MO chosen among cobalt oxide, copper oxide or their combinations and metallic palladium, wherein the latter is present up to about 2% by weight; and b) a moisture sorbing material. In particular applications it is possible to add to this combination also a barium- and lithium-based alloy, preferably BaLi4. Getter devices for containing such a combination are also described.
Patent CA-2186259-C (CA)
Inventor: BORDEN G WAYNE
IPC: C12P19/62
Filed: 1995-01-19
Granted: 1999-12-14
Abstract: A new process for recovering high purity natamycin from fermentation broth containing natamycin comprises the steps of adjusting the pH of the broth to above about 10 and adding an amount of a water-miscible solvent, such as isopropanol, sufficient to dissolve the natamycin in the broth, followed by removing insoluble solids from the pH-adjusted broth, followed by lowering the pH of the broth to a level sufficient to precipitate the natamycin, and removing the natamycin from the broth.
Patent CA-2186328-C (CA)
Inventor: EINODER NORBERT
IPC: D21D5/02
Filed: 1996-09-24
Granted: 2008-02-12
Abstract: A blade for a screening apparatus, especially for fiber suspensions during pulping, has an outer contour profile adjacent a facing screen wall to form in fluid flow direction a suction zone section of increasing width of the blade and a pressure zone section of decreasing width of the blade, whereby the length of the suction zone section and the length of the pressure zone section together form the overall length of the blade, and whereby the outer contour profile exhibits a continuous configuration also in a transition area between the suction zone section and pressure zone section.
Patent CA-2189933-C (CA)
Title: Precompression pump sprayer
Inventor: MONTANER PEDRO P
IPC: F16K21/08
Filed: 1996-11-08
Granted: 2002-05-28
Abstract: A precompression pump sprayer of the type having main and secondary pump cylinders and pistons has a two- piece main piston assembly comprising a separate piston sleeve element of molded compliant material and a hollow piston stem of molded rigid material affixed thereto. The more rigid stem permits a reduction in its overall height and overall diameter, resulting in a reduction of the overall height of the pump sprayer. The cylinder has an extension in frictional engagement with the separate sleeve element of the main piston assembly for fixing the secondary cylinder thereto.
Patent CA-2190554-C (CA)
Title: Device for easy attachment of line, leader or tippet to fish hook
Inventor: HOFFMAN HENRY R
IPC: A01K91/04
Filed: 1996-11-18
Granted: 2000-04-04
Abstract: An attachment device for attaching a line to a fish hook includes funnel-shaped portion, a tubular portion which is adapted to extend through an eye of a fish hook, and a retaining portion which is adapted to engage the eye for restraining withdrawal of the tubular portion from the eye. A central opening extends through the funnel portion and the tubular portion, and the funnel facilitates inserting a line through the opening. A knot is tied in the line to prevent the line from being pulled back through the opening.
Patent CA-2192294-C (CA)
Inventor: HILL JOHN P
IPC: H03B5/32
Filed: 1996-12-06
Granted: 2000-02-15
Abstract: The present invention teaches a system for selectably oscillating at a first or a second oscillating frequency.  The system comprises an oscillator for providing an oscillating output.  Moreover, the system comprises a switching device for selecting a first or a second impedance in response to a select signal having a voltage.  Each of the first and second impedances are fixed independently of the select signal voltage such that the oscillating output oscillates at the first oscillating frequency when the first impedance is provided and oscillates at the second oscillating frequency when the second impedance is provided.
Patent CA-2194129-C (CA)
Inventor: CASTEGNIER ADRIEN
IPC: B41M5/20
Filed: 1996-12-30
Granted: 2001-02-27
Abstract: An improved electrocoagulation printing method comprising  the  steps  of   (a) providing  a  positive electrolytically  inert  electrode  having  a  continuous passivated surface moving at substantially constant speed along  a  predetermined  path,  the  passivated  surface defining a positive electrode active surface;  (b) forming on the positive electrode active surface a plurality of dots of colored,  coagulated colloid representative of a desired    image,    by    electrocoagulation    of    an electrolytically  coagulable   colloid  present   in   an electrocoagulation  printing  ink  comprising  a  liquid colloidal  dispersion  containing  said  electrolytically coagulable  colloid, a  dispersing  medium,  a  soluble electrolyte  and  a  coloring  agent;  and  (c) bringing  a substrate  into  contact  with  the  dots  of  colored, coagulated  colloid  to  cause  transfer  of  the  colored, coagulated  colloid  from  the  positive  electrode  active surface  onto  the  substrate  and  thereby  imprint  the substrate  with  the  image.  The  improvement  resides  in treating  the  dots  of  colored,   coagulated  colloid transferred  onto  the  substrate in  step  (c)  with  a crosslinking  agent  so  as  to  substantially  completely crosslink  the  colored,  coagulated  colloid  and  thereby render the printed image water-fast.
Patent CA-2196651-C (CA)
Inventor: ARNTSON PAUL R
IPC: H01G9/28
Filed: 1997-02-03
Granted: 2004-09-21
Abstract: A low-voltage electromagnetic riveter (LVEMR) including two opposed rivet guns (70, 72) for upsetting rivets during the assembly of structural parts is disclosed. Variable capacitor banks (64, 65 or 64', 65') are discharged to provide a variable current pulse which flows through a driver coil (131) and a mass-mounted coil (135) of each rivet gun (70, 72). Preferably, the mating faces of the coils are contoured to assist in the alignment of the coils. The driver coils are affixed to the ends of drivers (125) that drive rivet dies (121) into the ends of a rivet (75) to be upset.  The LVEMR is controlled such that the net magnetic forces generated between the two pairs of coils actuate the rivet guns (70, 72) so that one end of the rivet is impacted slightly before the other end. The delay is controlled by a delay generator (44). Further, rapid-acting ground fault detection circuits (52 and 53) cause a power shutdown and capacitor bank discharge in the event of a ground fault.  Excessive capacitor bank voltage or rivet gun temperatures also can cause a power shutdown and capacitor bank discharge.