baber/WOPTO huggingface dataset:
Patent CA-1289465-C (CA)
Inventor: HOES LARRY M
IPC: E21B33/04
Filed: 1988-01-12
Granted: 1991-09-24
Abstract: Abstract The present invention relates to an improved well structure and the method of connecting the support ring to the well string within the well bore which includes the steps of lowering the support ring into the well bore in surrounding relationship to the well string and into seated position in the housing seat, lowering a pressure forming tool through the well string to the level of the support ring, pressurizing the tool to form the well string into tight secured and sealed relationship within the support ring and recovering the tool from the well string.  The tool includes a means of increasing the pressure used in the forming process without subjecting the interior of the string along its full length to such forming pressure.  The structure includes a support ring with an exterior shoulder for engaging the seat within the housing, a sealing profile of a plurality of internal grooves each of which is partially filled with pressure compensating material and a gripping profile of a plurali-ty of gripping teeth.  The improved well structure in-cludes the support ring and a tubular element within the support ring deformed into tight gripping and sealing engagement with the interior of the support ring.
Patent CA-1305413-C (CA)
Title: Process for producing a coagulation active complex of  factor viii fragments
Inventor: NORDFANG OLE
IPC: A61K38/00
Filed: 1988-02-18
Granted: 1992-07-21
Abstract: A B S T R A C T            A coagulation active complex of Factor VIII fragments is produced by causing a coagulation inactive FVIII heavy chain to react with a coagulation inactive FVIII light chain in the presence of a complex forming agent.          Thus, FVIII-HC and FVIII-LC are converted to coagulation active FVIII complex in the presence of metal ions, such as Mn2+, Ca2+ or Co2+ or a component of the pro-thrombin complex or a substance having reactivity to compounds containing the group -SH and/or -S-S.
Patent CA-1295524-C (CA)
Title: Spring coil wire device
Inventor: ASKINAZY LEO
IPC: A61F5/08
Filed: 1988-03-22
Granted: 1992-02-11
Abstract: ABSTRACT OF THE DISCLOSURE        A barrel-shaped body is  provided constructed of resilient  material   and  including   a  plurality of peripherally spaced and alternately  oppositely axially end   opening    generally   U-shaped   body   segments incorporating generally parallel legs interconnected at one  pair  of  corresponding  ends by an integral bight portion   extending   therebetween.      The   legs  of peripherally adjacent and oppositely axially opening U-shaped  body   segments  are   at  least  substantially coextensive and are integrally formed.
Patent CA-1329638-C (CA)
Inventor: KASAHARA KEIJI
IPC: B23Q3/154
Filed: 1988-04-13
Granted: 1994-05-17
Abstract: MACHINE UNIT HAVING RETAINING DEVICE USING STATIC ELECTRICITY                    ABSTRACT OF THE DISCLOSURE A machine unit provided with an electrostatic retention means disposed at a desired position.  The electrostatic retention means includes a pair of electrodes, an attraction member associated with the pair of electrodes and in which static electricity is induced so as to generate an electrostatic attraction force which attracts and retains an object, and a power source circuit for supplying positive and negative charges to the pair of electrodes while sequentially and alternately changing the polarity thereof.
Patent CA-1333604-C (CA)
Title: Vulcanizable rubber composition
Inventor: TOJO TETSUO
IPC: C08K5/17
Filed: 1988-05-20
Granted: 1994-12-20
Abstract: A vulcanizable rubber composition containing (i) (A) a chlorine-containing rubber and (B) a triazine-thiol-amine salt or (ii)  (a) a chlorine-containing rubber, (b) a triazinethiol as a vulcanization agent, and (c), as a vulcanization agent, (c-1) an aromatic carboxylic acid amine salt, (c-2) an aliphatic carboxylic acid amine salt, and (c-3) a phenolamine salt.
Patent CA-1287196-C (CA)
Title: Subscriber/craftsperson ringback apparatus
Inventor: FAITH RICHARD W
IPC: H04M3/487
Filed: 1988-05-25
Granted: 1991-07-30
Abstract: ABSTRACT OF THE DISCLOSURE      A telephone ringback apparatus includes a microprocessor-controlled  communications  device  which  is  connectable  with telephone equipment contained in a central office, such as a toll trunk facility, having the capability of identifying the number of a calling party.  In response to the telephone user dialing a prescribed ringback access code, the apparatus signals the toll trunk facility causing it to transmit a message representative of the number of the telephone from which the user is calling. Upon receipt of this message the telephone number of the calling party is stored. A synthesized voice message is transmitted to the user instructing the user to hang-up. When the apparatus detects that the phone has been placed back on-hook, it proceeds to transmit dialing signals containing the previously stored number of the telephone, causing the calling party's telephone to ring. As an additional  feature  the  apparatus  is  designed  to  carry  out prescribed signalling tests, in response to prescribed test codes input by a craftsperson. Depending on the contents of a test code the  apparatus  may  generate  a  series  of  prescribed tones  or terminate  the  line with  a precision  impedance,  enabling  the craftsperson  to  conduct  line  quality  measurements  from  his calling location.
Patent CA-1333237-C (CA)
Inventor: BIKSON BENJAMIN
IPC: B01D71/52
Filed: 1988-07-26
Granted: 1994-11-29
Abstract: A method for producing a composite hollow fiber membrane by coating a porous hollow fiber substrate with a dilute solution of a membrane-forming composition containing a membrane-forming material and a solvent therefor by contacting the porous hollow fiber substrate with the composition, partially evaporating some of the solvent from the coated porous hollow fiber substrate, contacting the partially dried coating porous hollow fiber substrate with a coagulant and recovering the composite hollow fiber membrane.  Also included are the composite hollow fiber membranes so produced and their use as permeable membranes for separating at least one fluid from at least one other fluid in a fluid mixture.
Patent CA-1305811-C (CA)
Title: Preceramic polycarbosilane derivatives
Inventor: BURNS GARY THOMAS
IPC: C08G77/60
Filed: 1988-07-27
Granted: 1992-07-28
Abstract: PRECERAMIC POLYCARBOSILANE DERIVATIVES ABSTRACT         Halogenated polycarbosilanes are prepared by reacting a polycarbosilane containing at least 0.1 weight percent Si-H groups with a halogenating reagent selected from the group consisting of chlorine, bromine, phosphorus pentachloride, phosphorus  pentabromide, antimony pentachloride, N-chlorosuccinimide, N-bromosuccinimide, sulfonyl chloride, and mixtures of CHeXf and a free radical initiator where e is 0 or 1, f is 3 or 4, the sum (e + f) is 4, and X is chlorine or bromine.  The halogenated polycarbo-silanes can be further treated to produce other derivatized polycarbosilanes.  The halogenated and derivatized polycarbo-silanes can be converted to silicon carbide containing ceramic materials by pyrolysis at elevated temperatures under an inert atmosphere.
Patent CA-1321798-C (CA)
Title: Preparation of polyfluorobutenes
Inventor: BIELEFELDT DIETMAR
IPC: C07C17/00
Filed: 1988-07-28
Granted: 1993-08-31
Abstract: Preparation of polyfluorobutenes A b s t r a c t 1,1,1,2,4,4,4-Heptafluoro-2-butene and 2-chloro-1,1,1,4,4,4-hexafluoro-2-butene are prepared simultaneously by reacting hexachlorobutadiene with hydrogen fluoride with the addition of catalytic amounts of titanium halide, anti-mony trihalide and/or antimony pentahalide.          Le A 24 249
Patent CA-1301416-C (CA)
Title: Oriented sheets
Inventor: LUISE ROBERT R
IPC: B29C43/20
Filed: 1988-08-11
Granted: 1992-05-26
Abstract: TITLE                      Oriented Sheets Abstract Highly oriented sheets are prepared by hot pressing a warp of filaments of liquid crystal polymers and optionally heat strengthening.
Patent CA-1321502-C (CA)
Title: Low reflection optical reticle and method of making same
Inventor: TAYLOR WILLIAM H
IPC: G02B1/11
Filed: 1988-10-04
Granted: 1993-08-24
Abstract: ABSTRACT OF THE DISCLOSURE     An improved optical reticle having a high degree of reflection suppression is provided.  In accordance with the preferred embodiment of the invention a fused silica reticle substrate is optically contacted with a fused silica cover plate to yield a sandwich optical reticle having virtually zero reflectance.
Patent CA-1312534-C (CA)
Title: Method and apparatus for continuous in-line annealing of amorphous strip
Inventor: RAYBOULD DEREK
IPC: C21D8/12
Filed: 1988-10-07
Granted: 1993-01-12
Abstract: Abstract An apparatus for the in-line annealing of amorphous strip includes feed rolls for substantially continuously feeding the strip during annealing.  The strip is first fed into a nip of cooperating heated pressure rolls.  The heated pressure rolls rapidly heat the strip to an annealing temperature at a rate of substantially 102-104 °C/second while also subjecting the strip to localized plastic deformation.  Where multiple ribbons are being fed simultaneously through the heated pressure rolls, bonding occurs to produce a composite strip.  The strip is fed from the pressure rolls through an in-line annealer immediately downstream from the pressure rolls.  During annealing, the strip is continuously fed and maintained under tension by operation of a winding roll.  The strip is annealed at a temperature of between 420-510°C for 0.01 - 10.0 minutes.  Tension of between 200-600 inch pounds is maintained on the strip both during annealing and as the strip cools to room temperature prior to winding. An associated method is also disclosed.
Patent CA-1330956-C (CA)
Inventor: LAPAKKO KIM A
IPC: B01D29/085
Filed: 1988-11-03
Granted: 1994-07-26
Abstract: ABSTRACT OF THE DISCLOSURE           An apparatus used to separate solid-phase materials from rinse water containing soluble constituents dissolved from rock or ore bodies by percolation of water therethrough is described.  The apparatus includes an upper funnel and bottom receptacle as well as a central passage member disposed therebetween.  The upper funnel includes a perforated bottom and a central standpipe.  The bottom receptacle includes a pair of vacuum tubes.  The central member includes a plurality of filter members.  When in use, filtration through some or all of the filters can aided by applying a suction to the vacuum tubes.
Patent CA-1309356-C (CA)
Title: Stamp formed muffler and catalytic converter assembly
Inventor: HARWOOD JON W
IPC: F01N3/28
Filed: 1989-01-12
Granted: 1992-10-27
Abstract: ABSTRACT OF THE DISCLOSURE           A combined cataytic converter and muffler is pro-vided.   A catalyst is securely mounted in a canister which in turn is mounted intermediate a pair of formed internal plates.      The plates are further formed to define an array of tubes there-between.  The tubes comprise an inlet  to the muffler and an outlet from the muffler and communicate with the inlet and out-let of the catalytic converter.  Selected tubes may have perfo-rations or other apertures through which exhaust gases may com-municate.  At least one external shell is mounted to the assem-bled internal plates.  The external shell is formed to define a  plurality  of  chambers  which  communicate with apertures  in the internal plates.
Patent CA-1329462-C (CA)
Inventor: BLOCK JACOB
IPC: C01G1/00
Filed: 1989-02-15
Granted: 1994-05-17
Abstract: Abstract A solution of the monocarboxylates of Y or Ca, Ba, and Cu is spray dried, providing a contaminant-free non-hygroscopic product which is homogeneous at the atomic level.  In one preferred embodiment Y, Ba, and Cu formates or acetates are used in a molecular ratio of 1:2:3, giving a product which can be calcined to give a superconducting mixed oxide, YBa2Cu3Ox, where x is 6.8-7Ø  In another embodiment, a solution of the monocarboxylates (e.g., formates or acetates) of Ca, Ba, and Cu is dried, calcined, mixed with Tl2O3, and the mixture is heated to make a superconductor.  The method minimizes introduction of contaminants.
Patent CA-1320088-C (CA)
Title: Splittable introducer catheter with modified tip
Inventor: PEARSALL HAROLD I
IPC: A61M25/00
Filed: 1989-04-03
Granted: 1993-07-13
Abstract: SPLITTABLE INTRODUCER CATHETER       WITH MODIFIED TIP                      ABSTRACT OF THE DISCLOSURE    A  splittable  introducer  catheter  is  provided with a catheter body having, upon extrusion thereof, diametrically opposed grooves in the outer surface thereof  with  the  exception  of  the  specifically formed  tapered  tip  of  the  invention  wherein  no grooves are present to insure a smooth, non-peelable insertion surface for penetrating through the skin of a patient.
Patent CA-1284407-C (CA)
Title: Method for dry carpet cleaning
Inventor: DICKINSON KENT
IPC: A47L11/14
Filed: 1989-05-19
Granted: 1991-05-28
Abstract: ABSTRACT OF THE DISCLOSURE A method for dry carpet cleaning is disclosed which comprises the steps of distributing a powdered carpet cleaning composition on the carpet in the form of finely divided polymer particles.  The powdered carpet cleaning composition is then mechanically or hand-worked into the carpet.  The carpet is then vacuumed to remove the powdered carpet cleaning composition and any soil absorbed or entrained therewith.  The powdered carpet cleaning composition and and soil is then separated from the air flow established in the vacuuming step with centrifugal or cyclone action.
Patent CA-1315936-C (CA)
Title: Process for chemically bonding moulding compositions based on aliphatic polyamides to rubbers containing carboxyl groups and the materials produced by this process
Inventor: GROSSE-PUPPENDAHL THOMAS
IPC: C08L77/00
Filed: 1989-05-26
Granted: 1993-04-13
Abstract: ABSTRACT           A process for chemically bonding a thermoplastic and a rubber is disclosed.  The process comprises covulcanizing a rubber composition comprising a carboxyl group-containing rubber, a peroxidic vulcanizing agent and optionally further components with a thermoplastic composition which contains at least 30 per cent by weight of aliphatic polyamides.  The materials produced by the process are stable to solvents and show an excellent bonding strength and stability to weathering.  The materials are prefer-ably employed as composite materials.
Patent CA-1325780-C (CA)
Inventor: HOLLOWAY JOAN
IPC: A61M25/00
Filed: 1989-06-06
Granted: 1994-01-04
Abstract: ABSTRACT OF THE DISCLOSURE A bowl for storing tubing such as a catheter is provided.  The bowl includes a bottom wall and a side wall having an inner surface formed integrally with the bottom wall.  The side wall extends generally perpendicularly from the bottom wall.  An inwardly extending retaining member is integrally provided on the inner surface of the side wall to retain the catheter in the bowl.  In a preferred embodiment, the bowl is nestable with similar bowls.
Patent CA-1316192-C (CA)
Title: Waist reducing exerciser
Inventor: LO YUAN H
IPC: A63B23/02
Filed: 1989-06-15
Granted: 1993-04-13
Abstract: TITLE:  WAIST REDUCING EXERCISER            ABSTRACT OF THE DISCLOSURE      An  exerciser for the reduction of the  waistline.          The  waist reducing exerciser is made up of a  pair  of tubes  with one tube slidable inside the other.  Within the  tubes is a spring which causes one tube to  extend approximately  one third of its length from within  the other tube. At one end of the tube assembly is a  cross bar  with foot straps and at the other end is  a  cross bar  with  hand grips. In use, a person stands  on  the foot  straps and grips the hand grips with  his  hands.          The  person stands from the upright position and  bends forward   moving  the  assembly  forward  as  well   as compressing the spring. This motion is followed by  the person pressing on the hand grips and returning to  the upright position again.
Patent CA-1333681-C (CA)
Inventor: TAKAHASI YOSITERU
IPC: F02B3/06
Filed: 1989-06-19
Granted: 1994-12-27
Abstract: An improvement for a diesel engine by injecting LP gas into the diesel engine.  A solenoid valve and a pressure controller are provided in a line between an LP gas cylinder and a gas injector mounted on the air inlet of the diesel engine.  The solenoid valve is activated only when the engine temperature has risen above a predetermined level and only after the vehicle speed has exceeded a predermined level.  This arrangement increases the output of the diesel engine, saves the fuel cost and eliminates black smoke.
Patent CA-1308408-C (CA)
Title: Diffusion device
Inventor: MESSNER RUDOLF
IPC: C02F1/20
Filed: 1989-06-19
Granted: 1992-10-06
Abstract: Diffusion Device Abstract In the representative embodiments of diffusion devices disclosed in the specification, a diffusor support member (1) and a flexible sheet-like diffusor (2) are connected in sealing relation along peripheral edges (3) by continuous clamping and sealing arrange-ments (4).  One form of the clamping and sealing ar-rangement comprises a U-shaped clamp (31) which em-braces the edge of the support member (1) and the peripheral edge (3') of the diffusor (2).  In another form of clamping and sealing arrangement, two strip members held apart by a third strip are inserted into a groove in the support member so as to clamp the diffusor in the groove.  Additional strengthening members for the support member and hold-down members (34) for the diffusor are also disclosed.  (Fig. 12)
Patent CA-1311838-C (CA)
Inventor: CHHABRA DEVENDRA S
IPC: G11B5/60
Filed: 1989-06-20
Granted: 1992-12-22
Abstract: Abstract of the Disclosure An air bearing slider for supporting a magnetic transducer comprising a pair of coplanar side rails on the sides of an air bearing surface of the slider and a center rail along the central region of the air bearing surface to form recessed areas between the rails which extend from the leading to the trailing end of the slider.  All the rails have a tapered section at their leading ends.  The side rails have a width that does not exceed the width of the side rails at the leading end, and the side rails extend only part way to the trailing end of the slider.  The width of the center rail is small at the leading end and greatest at the trailing end of the slider, where the transducer is supported.
Patent CA-1319707-C (CA)
Title: Process for the preparation of serinol
Inventor: QUIRK JENNIFER M
IPC: C07C205/15
Filed: 1989-06-22
Granted: 1993-06-29
Abstract: ABSTRACT      A process of forming 2-amino-1,3-propanediol by reducing the compound, 5-nitro-1,3-dioxane and subsequently hydrolyzing the reduced compound.
Patent CA-1341135-C (CA)
Inventor: GAMBKE BRIGITTE
IPC: G01N33/52
Filed: 1989-06-29
Granted: 2000-11-07
Abstract: A process and reagent for the determination of the ionic strength or of the specific gravity of an aqueous liquid by mixing the liquid with a reagent which contains at least one pH buffer substance but no polyelectrolyte polymer or at least one pH buffer substance and/or at least one complex former; and determining the pH value in the liquid and evaluating.
Patent CA-1324183-C (CA)
Inventor: TAKANASHI ITSUO
IPC: G03G13/18
Filed: 1989-07-27
Granted: 1993-11-09
Abstract: ABSTRACT OF THE DISCLOSURE       There are disclosed a method for transferring an electrostatic latent image and apparatus therefor.  This method comprises preparing a master recording member one side of which is provided with a first electrode  and another side of which is provided with a first recording layer in which an image information is preformed in a form  of  material  characteristic  change  of  the  first recording  layer,  preparing  a  blank  recording  member having  a  second  recording  layer,  allowing  the  first recording  layer  of  the  master  recording  member confronting the second recording layer, and providing a uniform layer of charges to the second recording layer of the blank recording member by charge providing member on a side of the second recording layer opposite to the side confronting the preformed image information, to produce a transferred  electrostatic  latent  image  on  the  second recording  layer  of  the  blank  recording  member correspondingly  with  and in  response  to  the  image information preformed in the first recording layer of the master recording member.
Patent CA-1311524-C (CA)
Title: Drop/insert channel selecting system
Inventor: MORI MASAKAZU
IPC: H04J3/08
Filed: 1989-08-24
Granted: 1992-12-15
Abstract: DROP/INSERT CHANNEL SELECTING SYSTEM                      ABSTRACT              Disclosed is a drop/insert selecting system in an optical transmission system. To decrease the circuit scale, the system comprises a switching unit (4,4') having a plurality of input terminals for receiving a plurality of input channels and a plurality of output terminals, each of the input channels conveying a frame synchronization signal and a channel number; at least one drop/insert unit (51,52,51',52') for sequentially generating channel preselection signals until a frame synchronization is established, and for dropping or inserting necessary signals from or into a corresponding one of the necessary channels incorporated into the drop/insert units when a frame synchronization is established; and a channel selecting unit (6,6a,6b) for generating a plurality of channel selecting signals in response to each of the channel preselection signals, each of the channel selecting signals functioning to connect each of the output terminals to one of the plurality of input terminals; the remaining output terminals of the switching unit being connected to through-channels to which no drop/insert means is connected.
Patent CA-1341327-C (CA)
Inventor: HANTHORN CHRISTOPHER JAMES
IPC: C25D11/04
Filed: 1989-09-05
Granted: 2001-12-18
Abstract: New processes are disclosed for depositing metal coatings on substrates of anodisable metals, such as aluminum and its alloys, the coatings being applied directly on to a porous anodised layer of relatively wide pores that has been produced on the surface of the substrate by phosphoric acid anodisation. Pore-filling metal is first electrolytically deposited in the pores, the metal depositing initially on the bottom walls and the lower parts of the side walls; usually until the pores are from about 3% to about 30% filled. Metal deposition is then continued using an electroless process until the pores are filled to the desired extent, usually until a support coating has been applied over the entire anodised layer. Other metal coatings can then be applied over the support layer, either by electrolytic or electroless methods.      Electroless coatings of considerable thickness (as much as 75 micrometres) can successfully be applied. The new products of such processes comprise a substrate of anodisable metal having on a surface an anodised layer of thickness of about 0.5 to about 50 micrometres; the pores of the anodised layer have pore-filling metal electrolytically deposited therein, and pore-filling metal electroless deposited on the electrolytically deposited metal. The electroless metal may constitute the final layer or other layers may be deposited over it to give the final product. The interposed electrolytically deposited metal provides improved adhesion to the anodised material as compared to direct electroless deposited metal.