baber/WOPTO huggingface dataset:
Patent CA-2066498-A1 (CA)
Title: Apparatus for use in servicing valves
Inventor: STICKLEY ANDREW JOHN
IPC: F16K43/00
Filed: 1992-04-21
Abstract: Apparatus  for radiator valve  servicing has  a  main body (1) including a valve(5) and an adaptor(2) connecting the main body to a valve assembly support body (102.)  Mounted for movement within the main body is an extractor(3)comprising a shaft(30) and coupler (31) which is connected by a bayonet fitting (39,40)to the shaft and mechanically connected by a screw (37) to the valve assembly spindle (103). The coupler includes a socket(33)which fits on and facilitates unscrewing of the spindle and valve assembly from the support body.  After being unscrewed, the valve assembly can be lifted past the valve (5)and, after closing the valve, withdrawn reliably from the main body because of the screw connection, for servicing.  A selection of adaptors and couplers enable a range of different valve systems to be serviced without draindown.
Patent CA-2066600-A1 (CA)
Title: Refuse loader arm
Inventor: HOLTOM STEPHEN W
IPC: B65F3/06
Filed: 1991-07-24
Abstract: The bin grabbing nipper (22) of a refuse loader arm is held at a constant angle to limb (15) by a parallelogram linkage having pivots (26, 17, 19, 25). Thus, pivotting of limb (15) leads directly to inversion of the raised bin and no separate operation of a special bin tilting ram is required to bring a bin to dumping position. The nipper consists of two opposed, jointed fingers which are separately pivotted to a wrist member (21). All finger joints and wrist joints of the nipper are pivotted by separate hydraulic cylinders supplied by a common source. By sensing back-pressure in each cylinder they can be made to exert equal force. Pivotting at limb joints (17) and (19) is by opposed hydraulic cylinders acting on a rack meshing with a gear wheel. Both these joints may be controlled by a single joystick.
Patent CA-2069227-A1 (CA)
Inventor: UEDA MINORU
IPC: C04B41/91
Filed: 1992-05-25
Abstract: A novel ceramic material for sacrificial layers used in the process for fabricating "micromachined" having dimensions of several tens micrometers to several hundreds micrometers.     The sacrificial layers are made of oxide ceramic containing rare earth, Ba and Cu such as Re 1 Ba 2 Cu 3 O 7-x (Re = rare earth) which can be etched easily and selectively with HC? solution (1/1000) without spoiling dimensional precision of the machine elements.
Patent CA-2069340-A1 (CA)
Title: Pump apparatus
Inventor: MOHN FRANK
IPC: F04B53/14
Filed: 1990-10-15
Abstract: A pumping apparatus has a linear electric motor (10; 40) reciprocally driving motor pistons (16; 45) hydraulically coupled with pump pistons (25) or with coupling pistons (51) mechanically connected with pump pistons (61) which move the fluid to be pumped. For undersea use, the coupling arrangements allow convenient separation and retrieval of sub-assemblies requiring relatively frequent servicing.
Patent CA-2070595-A1 (CA)
Title: Process for isomerizing linear olefins to isoolefins
Inventor: POWERS DONALD H
IPC: C07C11/02
Filed: 1992-06-05
Abstract: This invention provides a process to convert linear alkenes such as butene-1 and butene-2 to methyl branched chain alkenes such as isobutylene using one dimensional, medium pore zeolite catalysts and similar type catalysts such as SAPO's and MeAPOS's. The pore size for the catalyst should be greater than 0.42 nm and less than 0.7 nm, preferably with a larger dimension of between 0.5 and 0.6 nm. This pare size allows the branched chain alkenes to form and diffuse out of the catalyst while reducing the formation of unwanted by-products, including dimers, trimers, aromatics and coke. This invention has been demonstrated with H-ferrierite, SAPO-11, and magnesium mordenite in a laboratory scale reactor. Selectivities ranging from about 50% to almost 100% were demonstrated for isobutylene formation using H-ferrierite, at temperatures ranging from about 340°C to about 440°C.
Patent CA-2070837-A1 (CA)
Title: Wet strength resin composition and method of making same
Inventor: FISCHER STEPHEN A
IPC: D21H17/54
Filed: 1990-11-29
Abstract: An amine-epichlorohydrin resin is prepared in a water-polyol solvent in order to facilitate the polymerization and crosslinking reactions. The reaction product is useful as a wet strength resin composition which has a flash point high enough to be used in commercial paper making operations.
Patent CA-2071249-A1 (CA)
Inventor: PALMATIER ROLAND T
IPC: B65H45/30
Filed: 1992-06-15
Abstract: An apparatus for transporting a web in a printing press comprises a pair of cutting cylinders for cutting web sections from the web, and a   transporting  device for transporting   the  web   sections away from the cutting cylinders.  The first cutting cylinder has at least one cutting anvil, and the second cutting cylinder has at least one cutting knife which meets the cutting anvil at a nip between the cutting cylinders to cut the web moving through the nip. A plurality of strips are supported on the first cutting cylinder and a plurality of strips are supported on the second cutting cylinder.  The strips have positions on the cutting cylinders in which they impress a reinforcing profile onto each newly formed leading portion of the web when the strips move through the nip.   At  least  one smoothing surface is supported on the first cutting cylinder and at least one smoothing surface is supported on the second cutting cylinder.  The smoothing surfaces have positions on the cutting cylinders wherein the smoothing surfaces remove the reinforcing profile from the leading portion of the web when the smoothing surfaces move through the nip.
Patent CA-2071823-A1 (CA)
Title: Process for regenerating wastepaper in the presence of hydroxysulfaonate salts
Inventor: FABRY BERND
IPC: D21C5/02
Filed: 1990-10-18
Abstract: A b s t r a c t The invention relates to a process for regenerating wastepaper and to the use of certain hydroxysulfonate salts for removing printing ink from printed wastepaper and/or paper circuit waters.
Patent CA-2072302-A1 (CA)
IPC: E21B10/62
Filed: 1992-06-25
Abstract: A rock drill bit having a shank and a replaceable cutting head, comprising steps of producing a shank having a tip with an outer surface having a given shape, producing a head having a working face at one end and a recess at the other end with a cross-section corresponding in shape to that of the shank tip, and having a size .15% less than that of the shank tip, cooling the shank in a cryogenic gas at ambient pressure to reduce its size, installing the head on the shank tip, and permitting the components to return to ambient temperature, to establish a shrink fit between the head and the shank.
Patent CA-2075768-A1 (CA)
Title: Electric stove
Inventor: KOPONEN LAILA T
IPC: F24H3/00
Filed: 1992-08-11
Abstract: ABSTRACT            An electric stove with thermal self-circulation of the room-air which  is heated  by means of electric resistors (7) placed in the core (6) of the stove. The stove is made of three or four casing elements (1) at the corners of which vertical gabels (2) form frames for air slots (3) through which some of the room-air flows  into  the  stove where  the vertical  separation wall  (4) partly conducts air through air slots (5) between metal sheets (9) to the core (6) of the stove and partly to the channel (8) between casing element (1) and metal sheets (9) which is open at its upper and lower end to the vertical air-flow on the outside around the core (6) when electric resitors (7) are activated.
Patent CA-2076047-A1 (CA)
Title: Methode pour corriger des mesures magnetiques faites dans un puits par un appareil de mesure, dans le but de determiner son azimut
Inventor: NICOLLE GILLES
IPC: E21B47/022
Filed: 1991-12-11
Abstract: : Un outil de mesure incluant un appareil de mesure du champ magnétique terrestre, est intercale sur une garniture reliant un outil de forage à une installation de surface. La méthode permet de s'affranchir de la perturbation affectant le champ magnétique terrestre mesuré et due par exemple à la garniture de forage. Elle comporte l'arrêt de l'outil au cours de sa progression dans le puits en des positions d'arrêt successives longitudinalement décalées les unes par rapport aux autres, la position angulaire de l'appareil de mesure dans ces positions étant aléatoire et l'utilisation d'une méthode de calcul statistique pour combiner les différentes mesures et déterminer le champ perturbateur. Application à la détermination de l'azimut et l'inclinaison d'un puits par exemple.
Patent CA-2076436-A1 (CA)
Title: Method and apparatus for the removal of chlorides from steel reinforced concrete structures
Inventor: SWIAT WAYNE J
IPC: C04B41/53
Filed: 1992-08-19
Abstract: ABSTRACT OF THE DISCLOSURE      A method and apparatus for the removal of chlorides from steel reinforced concrete utilizes an electrode with a rectifier impressing a voltage between the steel of the concrete and the electrode.  The electrode and the surrounding concrete are saturated continuously with a controlled flow of an aqueous electrolyte.  The aqueous electrolyte which may be water or salt water increases chloride movement within the concrete away from the steel reinforcing and improves the efficiency of the process by maintaining a saturated pore structure within the concrete.  To facilitate such saturation of the concrete and electrode, the electrode may be immersed in a matrix of a porous water absorbing medium contained within a non-metallic membrane or jacket cover.  In some forms a collecting bin or reservoir is provided at the bottom to collect the aqueous solution for recirculation.  For offshore or other installations no collecting reservoir may be required.  The aqueous solution may also be obtained from a continuous expendable supply.  The electrode, porous medium and membrane jacket cover, with or without the collecting reservoir, is provided in a pre-assembled reusable package.  The assembly may readily be transported and mounted to or dismounted form the concrete structure.
Patent CA-2076728-A1 (CA)
Title: Mattress for birthing bed
Inventor: NEWKIRK DAVID C
IPC: A61G13/00
Filed: 1992-08-24
Abstract: A mattress for a birthing bed has three bladders inserted within a foam slab. A lumbar bladder and upper back bladder are on the birthing bed head panel and are attached at their borders to the foam mattress to promote uniform inflation. A seat bladder firms the seat when it is necessary for patient treatment procedures.
Patent CA-2081389-A1 (CA)
Inventor: SILVERTON ALBERT G
IPC: C08L95/00
Filed: 1992-10-26
Abstract: A stable homogenous emulsion of gilsonite arid lignosulphonates is disclosed. The lignosulphonates emulsify the gilsonite to produce a stable emulsion that retains an homogenous liquid character (without layer) during prolonged storage as a base stock composition.      The emulsion is compatible with a broad variety of liquids, such as printing ink, wood stains, asphalts, and can be incorporated into such compositions without causing layering of the liquid. Homogeneity and compatibility of the emulsion can be further enhanced by adding an acrylic polymer emulsion to the gilsonite-lignosulphonate mixture.
Patent CA-2082763-A1 (CA)
Title: Thermoplastic multilayer composites
Inventor: ROEBER STEFAN
IPC: B32B27/08
Filed: 1992-11-12
Abstract: A novel thermoplastic multilayer composite is disclosed comprising a layer of a moulding composition based on a polyamide and intimately bonded to a layer of a moulding composition based on a mixture of from 98 to 60% by weight of a partially crystalline polyester and 2 to 40% by weight of a compound containing epoxy groups. The multilayer composite according to the invention have a good mechanical resistance and a good barrier action against diffusion of chemical agents, solvents and fuels. Since the two layers are intimately bonded one to another, no shearing or delamination of the layers occur during thermal expansion or bending. The multilayer composites according to the invention may be used for manufacturing of construction components, in electrical, mechanical and car industries or as foodstuffs packaging films.
Patent CA-2084654-A1 (CA)
Title: Paraneural pacing lead for use in cardiomyoplasty
Inventor: CHRISTLIEB IGNACIO Y
IPC: A61N1/05
Filed: 1991-06-07
Abstract: This invention pertains generally to an implantable medical lead (28) for stimulating muscle or tissue contraction and a method for using the same, and specifically to a paraneural electro-stimulating bipolar lead containing an anode (29) and a cathode (30) shielded by insulative and a method for using the same, for use in surgical procedures such as the MUSCLE FLAP HEART FUNCTION  AUGMENTATION PROCEDURE and/or other circulatory augmentation procedures, and/or wherever stimulation of muscle or tissue is desired.
Patent CA-2086211-A1 (CA)
Title: Field effect transistor and method of fabricating
Inventor: BULAT EMEL S
IPC: H01L21/335
Filed: 1993-01-11
Abstract: FIELD EFFECT TRANSISTOR AND METHOD OF FABRICATING            Abstract A junction field effect transistor, specifically a static induction transistor.  The N-type source regions are formed as two zones.  First, relatively lightly doped first zones are formed by ion-implanting doping material relatively deeply into the semiconductor material.  Then relatively heavily doped second zones are formed by ion-implanting doping material to a relatively shallow depth within the first zones to leave portions of the first zones interposed between the second zones and the remainder of the semiconductor material.  The resulting devices exhibit reduced gate-drain junction capacitance at low drain bias voltages thereby improving device capaci-tance linearity.
Patent CA-2086243-A1 (CA)
Title: Anticoagulant peptides
Inventor: KRSTENANSKY JOHN L
IPC: A61K38/00
Filed: 1991-06-28
Abstract: This invention relates to peptide analogs of the form-ula wherein X is an amino terminal residue selected from hydro-gen, one or two alkyl groups of from 1 to 6 carbon atoms, one or two acyl groups of from 2 to 10 car-bon atoms, carbobenzyloxy, H2NC(=NH)-, or a t-butyloxy carbonyl group;      A1 is a band or is a peptide fragment containing from 1 to 11 residues of any ammo acid;      A2 is a bond or is a group of the formula (see formula I) wherein Y2 = O, NR2', S, bond, Z2 = -SO3H, (see formula II), -COOR2", n is an integer of from 1 to 5 and wherein R2' and R2" are each independently an H or a (C1-C4)alkyl group;      A3 is Phe, SubPhe, .beta.-(2- and 3-thienyl)alanine, .beta.-(2-and 3-furanyl)alanine, .beta.-(2-, 3- and 4-pyridyl)ala nine, .beta.-benzothienyl-2- and 3-yl)alanine, .beta.-(1-and 2-naphthyl)alanine, Tyr, Tyr(Me) and Trp;      A4 is a bond or is a group of the formula (see formula III) wherein Y4 = bond O, NR4', S, Z4 = -SO3H, COOR4", (see formula IV), m is an integer of 1 to 5 and wherein R4' and R4" are each independently an H or a (C1-C4)-alkyl group;      A5 is any amino acid;      A6 is Tyr, Trp, Phe, Leu, Nle, Ile, Val, Cha or Pro;      A7 is Pro, Ser, Ala or Thr;      A8 is Tyr, tyr, Trp, trp, Phe, phe, Leu, leu, Nle, nle, Ile, ile, Va.l, val, Cha, cha, Pro or pro;      A9 is any amino acid;      A10 is any amino acid;      A11, is Tyr, Trp, Phe, Leu, Nle, Ile, Val, Cha and Pro;      A12 is a bond or is a peptide fragment containing from one to ten residues of any amino acid; and Y is a carboxy terminal residue selected from OH, C1-C6 alkoxy, amino, mono- or di-(C1-C4)alkyl substi-tuted amino, or benzylamino; or a pharmaceutically acceptable salt thereof, which are use-ful as anticoagulant agents.
Patent CA-2086422-A1 (CA)
Title: Two-cycle lubricant and method of using same
Inventor: CHAMBERLIN WILLIAM B III
IPC: C10L1/23
Filed: 1992-05-26
Abstract: This invention relates to a lubricant composition for two-cycle engines comprising: a major amount of at least one oil of lubricating viscosity which is free of oils having a viscosity greater than or equal to 100 cSt at 40 ·C, an amount sufficient to reduce or prevent piston scuffing of a mixture of (A) at least one phenol selected from (A-1) an aminophenol and (A-2) a reaction product of a nitrophenol and an amino compound, and (B) at least one ashless dispersant. The compositions may also include up to about 10 % by weight of (C) at least one polyalkene having a number average molecular weight from about 500 to about 2500. Since lubricant compositions for two-cycle engines are often mixed with fuels before or during combustion, Applicants' invention also includes fuel-lubricant mixtures. Applicants have discovered that the above compositions of the present invention act to control piston scuffing while also contributing to piston lubrication, deposit control, ring stick protection, reduced exhaust port blockage and reduced visible smoke emission. In another embodiment of the invention, the lubricant compositions are free of isostearic acid, or derivatives thereof.
Patent CA-2087308-A1 (CA)
Title: Detergent Compositions
Inventor: CHAPPLE ANDREW P
IPC: C11D17/06
Filed: 1993-01-14
Abstract: A bleaching particulate detergent composition of high bulk density (at least 700 g/l) comprises one or more detergent-active compounds, one or more detergency builders including a specific alkali metal aluminosilicate  -   maximum aluminium zeolite P (zeolite MAP  -   and a bleach system comprising a peroxy bleach compound and a bleach precursor.   Use of zeolite MAP in place of conventional zeolite 4A in this high bulk density composition improves significantly the storage stability of the bleach precursor.
Patent CA-2088536-A1 (CA)
Title: Ladder stabilizer
Inventor: DEMSKIE FRANK
IPC: E06C1/34
Filed: 1993-01-29
Abstract: ABSTRACT OF THE DISCLOSURE   A device for stabilizing ladders, comprised of a plurality of seamless, square telescoping tubes adjustable horizontally and incorporating at right angles a plurality of independent vertical pivotal supports having at one end each a perpendicular shaft each of a dimension sufficient to provide a clearance fit to the internal cavity formed by the rungs of a typical aluminum ladder.
Patent CA-2088629-A1 (CA)
Inventor: ITO TOMOKAZU
IPC: H04M19/04
Filed: 1993-02-02
Abstract: A ringing tone signal detecting circuit detects a ringing tone signal from a received signal of the echo canceler type which is supplied from a subscriber line through a hybrid circuit.  The ringing tone signal detecting circuit has a sampler for sampling the received signal at a predetermined sampling frequency, a comparator for comparing an output signal from the sampler with a predetermined threshold value and producing a binary digital signal, a plurality of first through nth delay circuits for delaying the binary digital signal from the comparator for 1 through n sampling times, respectively, and a frequency detector for detecting a ringing tone signal from the binary digital signal from the comparator and output signals from the first through nth delay circuits.
Patent CA-2089140-A1 (CA)
Inventor: AGRAWAL RAKESH
IPC: F25J3/04
Filed: 1993-02-09
Abstract: ABSTRACT The present invention relates to an improvement for the production of argon from cryogenic air separation processes. In particular, the improvement comprises using a first heat pump cycle to transfer refrigeration from the bottom of the low pressure column to the top of the crude argon column and a second heat pump cycle to transfer refrigeration from the bottom of the low pressure column to the top of the low pressure column.
Patent CA-2090953-A1 (CA)
Title: High pullulan content product, and its preparation and uses
Inventor: OZAKI YOSHIHIDE
IPC: C05G5/14
Filed: 1993-03-03
Abstract: Disclosed is a novel high pullulan content product containing pullulan having an average molecular weight less than 250,000, said product being prepared by continuously cultivating a microorganism capable of producing pullulan in a nutrient culture medium containing a 10-20 w/v % saccharide while controlling the viscosity of the nutrient culture medium to a level below 30cp. The product can be advantageously used in a variety of fields such as a viscosity-imparting agent, coating agent, adhesive, formed product, food product, cosmetic, pharmaceutical, and material for agriculture, forestry, stock raising .and paper processings, as well as for mining and manufacturing industries.
Patent CA-2092927-A1 (CA)
Title: Glass cleaner having antifog properties
Inventor: BARONE PATRIZIA
IPC: C03C17/30
Filed: 1993-03-30
Abstract: ABSTRACT OF THE DISCLOSURE      Disclosed is a cleaning composition for hard surfaces which comprises an aqueous solution of an acidic or basic cleaner, a surfactant together with a silicone glycol and xanthan gum as anti-fogging agents.     MS #1691
Patent CA-2094803-A1 (CA)
Title: Process for the synthesis of oligomers
Inventor: KLEM ROBERT E
IPC: C07H21/04
Filed: 1991-10-21
Abstract: Methods of synthesizing oligomers using low water oxidizer reagents which result in high coupling efficiencies are provided. These methods are suitable for larger scale preparations of methylphosphonate oligomers.
Patent CA-2098064-A1 (CA)
Title: Elongated cutting tool for wood working and apparatus for and method of grinding the same
Inventor: SUZUKI HIROMI
IPC: B21C49/00
Filed: 1993-06-09
Abstract: The invention provides a novel cutting tool used in wood working, which has a sufficiently thick cutting edge allowing stable cutting of a veneer from a log as well as an apparatus for and a method of grinding the cutting edge to have a favorable shape and a relatively large angle. The apparatus of the invention includes a table which an elongated cutting tool extending along a longitudinal axis of the table is mounted on, a fixing element for pressing the cutting tool upright against an upright plate, and a carriage which is reciprocatingly movable along the longitudinal axis of the table. The carriage is provided with a pair of grinding wheels which are respectively movable into and out of endwise grinding contact with an upper surface and a lower surface of the cutting edge of the upright cutting tool at desirable angles. The apparatus further includes a control mechanism for controlling a moving distance and an inclined angle of each grinding wheel according to a preset number of grinding steps and a predetermined grinding depth and a predetermined grinding angle at each grinding step for each surface of the cutting edge. The upper surface and the lower surface of the cutting edge are respectively multiple-taper ground to have an arc-shaped surface from the tip portion to the base portion of the cutting edge.
Patent CA-2098437-A1 (CA)
Title: Procede de construction d'une unite cryogenique de separation de gaz, unite cryogenique, sous-ensemble et ensemble transportable pour la construction d'une telle unite
Inventor: BRACQUE GILLES
IPC: F25J3/04
Filed: 1993-06-15
Abstract: On constitue en atelier un sous-ensemble pré-équipé d'une colonne de distillation avec ses éléments de tuyauterie disposés essentiellement sur un côté de la colonne de façon à être inscrits dans un volume latéral de section réduite dont la hauteur est indépendante de l'épaisseur d'isolation ultérieurement requise pour le fonctionnement in situ de la colonne dans une boîte froide, le sous-ensemble étant disposé partiellement dans un berceau de transport abritant le volume latéral. Le sous-ensemble est disposé, avantageusement avec son berceau dans une boite froide constituée d'une enveloppe, par exemple tubulaire, dans laquelle est également disposé au moins un réservoir de liquide cryogénique. Application notamment aux colonnes de distillation d'air de grandes dimensions.
Patent CA-2099079-A1 (CA)
Title: Storage-stable suspension of epoxy resin hardeners
Inventor: ELDIN SAMEER H
IPC: C08G59/40
Filed: 1993-06-23
Abstract: Storage-stable suspension of epoxy resin hardeners Abstract of the Disclosure Storage-stable suspension comprised of a solid or liquid epoxy resin hardener and a solid or liquid toughener suspended therein is distinguished by excellent homogeneous dispersion of the toughener in the epoxy resin hardener and are suitable for preparing suspensions of curable epoxy resin compositions.