baber/WOPTO huggingface dataset:
Patent CA-1186488-A (CA)
Title: Procede d'obtention de trihydroxyde d'aluminium de  diametre median inferieur a 4 microns, regle a la  demande
Inventor: CRISTOL BENOIT
IPC: A61Q11/00
Filed: 1983-10-19
Granted: 1985-05-07
Abstract: L'invention concerne un procédé d'obtention de trihydroxyde d'aluminium à diamètre médian réglé à la demande, inférieur à 4 microns, à distribution unimodale et de faible dispersion. Ce procédé consiste à effectuer à chaud la décomposition d'une solution sursaturée d'aluminate de sodium en présence d'une amorce constituée de trihydroxyde d'aluminium, puis la séparation des phases solide et liquide résultantes et la récupération de la phase solide constituée par le trihydroxyde d'aluminium précipité; et il est caractérisé en ce que, dans une première étape, on soumet du trihydroxyde d'aluminium à un broyage jusqu'à l'obtention d'un trihydroxyde d'aluminium broyé ayant une surface spécifique BET au moins égale à 8 m2 par gramme puis, dans une seconde étape, on met en contact le trihydroxyde d'aluminium broyé avec la totalité d'une solution chaude d'aluminate de sodium à décomposer en une quantité telle que la surface totale dudit trihydroxyde introduit sous la forme broyée soit d'au moins 100 m2 par litre de la solution sursaturée d'aluminate de sodium, et on effectue la décomposition de ladite solution en soumettant à agitation la suspension formée jusqu'à l'obtention d'un rapport pondéral Al2O3 dissout/Na2O caustique au plus égal à 0,7.
Patent CA-1216259-A (CA)
Inventor: ALTHERR RUSSELL G
IPC: B61G5/02
Filed: 1983-11-15
Granted: 1987-01-06
Abstract: ABSTRACT     A railway draft sill and slackless draft assembly including a pair of lengthwise spaced draft sills having a drawbar extending therebetween.  One of the drawbar ends is connected for rotation relative to one of the draft sills and the other end is fixed against rotation relative to the other draft sill.  Slack take-up structure is provided to maintain bearing surfaces at the respective attachment ends in engagement when wear occurs.
Patent CA-1212252-A (CA)
Inventor: ROSENSTOCK WINFRIED
IPC: E02D7/26
Filed: 1983-12-23
Granted: 1986-10-07
Abstract: Abstract A method for the driving of steel profiles into a rock substratum is described, in which, before the driving, holes are drilled into the rock substratum, in which holes explosive charges are detonated.  The explosive charge is so constructed and dimensioned that only the shock waves of the explosion act upon the rock, and not the combustion gases, so that the rock is only shattered in its internal structure but is not driven away.  In the construction of a sheet pile wall, the holes are provided with explosive in mutually overlapping zones of differing depths,  zones of the same depth being detonated at the same time and the charge in each hole being provided at top and bottom with a detonator each.
Patent CA-1201245-A (CA)
Inventor: KUEHNRICH ROBERT
IPC: C08G63/85
Filed: 1984-01-06
Granted: 1986-02-25
Abstract: ABSTRACT OF THE DISCLOSURE:           In the preparation of mixed polyesters with use of titanium catalysts it is proposed to use additionally adducts of phosphorous acid and monoepoxides, especially in the esterification step and the subsequent polycondensa-tion step.  Light coloured polyesters are thus produced.
Patent CA-1237073-A (CA)
Inventor: WILKINS TRACY D
IPC: G01N33/544
Filed: 1984-02-29
Granted: 1988-05-24
Abstract: TOXINS AND ANTIBODIES OF C. DIFFICILE          ABSTRACT OF THE DISCLOSURE Mono-specific antibodies for each of toxin A and toxin B of C. difficle are produced and used in an assay for toxin A and toxin B, respectively. Purified toxin A of C. difficile is also produced.
Patent CA-1219422-A (CA)
Inventor: MANNING NOEL C
IPC: E04B1/94
Filed: 1984-03-09
Granted: 1987-03-24
Abstract: ABSTRACT     A fire barrier prevents the spread of fire and smoke through a gap between a dividing wall and a roof of a building.  The barrier comprises a body member of channel section having side webs joined by a connecting web.  The side webs embrace the dividing wall.  A gasket is secured in a fixing groove in the connecting web.  The gasket abuts the roof tiles to seal the gap.          A fire break member is provided to join tiling laths where portions have been removed to prevent the spread of fire.  Other fire break members to prevent the spread of fire across other structural members of the building are provided.
Patent CA-1226609-A (CA)
Inventor: CONRADTY CLAUDIO
IPC: H05B7/12
Filed: 1984-03-16
Granted: 1987-09-08
Abstract: ABSTRACT     In  an  electrode  for  electric  arc  furnaces,  having  a water-cooled  metallic  electrode  holder  and  a  consumable section connected to the electrode holder by means  of  a threaded nipple, the electrode holder having a protective jacket made up  of  rings. A disc  positioned  between  the consumable section and the electrode holder which, in the event  of  a fracture  of  the consumable  section  ,  remains attached  to  the  electrode  holder  for  protection  against electric arc strike.
Patent CA-1216346-A (CA)
Inventor: TAKATA NOBUHARU
IPC: F23N3/08
Filed: 1984-06-26
Granted: 1987-01-06
Abstract: ABSTRACT OF THE DISCLOSURE     A boiler air flow controlling apparatus for feeding air in a desired air flow to a boiler by cooperation of a first fan for feeding air to the boiler with a second fan for sucking air from said boiler.  The apparatus includes means for varying, when the number of poles of at least one of motors for the two fans is changed over, the opening of a damper located in an air course in order to restrict a variation of the inner pressure of the boiler upon such chaging over to a value within an allowable range.
Patent CA-1261735-A (CA)
Inventor: KLAILA WILLIAM J
IPC: H05B6/80
Filed: 1984-07-16
Granted: 1989-09-26
Abstract: OF:    WILLIAM J. KLAILA       FOR:   METHOD AND APPARATUS FOR RECOVERING FRACTIONS        FROM HYDROCARBON MATERIALS, FACILITATING THE REMOVAL AND CLEANSING OF HYDROCARBON FLUIDS, INSULATING STORAGE VESSELS, AND CLEANING STORAGE VESSELS AND PIPELINES     ABSTRACT OF THE DISCLOSURE       The method and associated apparatus for recovering frac-tions from hydrocarbon material, comprising the steps of genera-ting electromagnetic energy generally in the frequency range of from about 300 megahertz to about 300 gigahertz, in accordance with the lossiness of the material, transmitting the generated electromagnetic energy to the hydrocarbon material, exposing the hydrocarbon material to the electromagnetic energy for a sufficient period of time to sequentially separate the hydrocarbon material into fractions, and removing the resulting fractions.  However, it should be understood that a plurality of frequencies within the aforementioned frequency range or in combination with frequen-cies outside this range may be utilized in accordance with the lossiness of the fractions to be removed.  Advantageously, the temperature of high viscosity hydrocarbon fluid may be precisely controlled by changing the broadcast location for the electro-magnetic energy to effectively sweep the hydrocarbon fluid to optimize oil production while decreasing its viscosity to facili-take separation and removal from a vessel.  Further, the electro-magnetic energy may be used to clean storage vessels of scale and rust and a metal shield can be placed in the storage vessel to effectively create an insulating layer for the storage vessel from a portion of the hydrocarbon fluid present in the vessel.  It should be understood that in addition to use with land, air and sea vessels, including pipelines, the present invention is also useful for underwater, underground and in situ subsurface applications.          Moreover, a plurality of RF frequencies spaced far enough apart to preclude wave cancellation and having varying field strengths may be used simultaneously in accordance with their absorptivity by the various fractions to be recovered so as to achieve maximum
Patent CA-1250051-A (CA)
Inventor: KATZENSTEIN HENRY S
IPC: H03M1/74
Filed: 1984-10-29
Granted: 1989-02-14
Abstract: APPARATUS FOR CONVERTING DATA BETWEEN DIGITAL AND ANALOG VALUES                   Abstract of the Disclosure Apparatus for converting between analog and digital values includes means for providing a plurality of signals representing the digital values.  Sub-sets of control switches are also provided, the number of control switches in each sub-set being directly related to the digital significance of the control switches in such sub-set.  The control switches in each sub-set may be paired to provide for a conductivity of one switch in each pair.  The signals representing individual digital values are introduced to the associated sub-sets to provide for the conductivity of an individual one of the control switches in each pair in accordance with the digital value represented by such signals.  The control switches are connected in a recursive relationship defined by repetitions of a basic block.  Each basic block is in turn defined by a pair of basic sub-blocks.  A plurality of capacitors are also provided as output members.  The capacitors are connected to the recursive relationship of the control switches to charge the capacitors through paths defined by the conductive ones of the control switches.  When the capacitors are conductive, the control switches operate to introduce the charge from the capacitors to one of two output lines.  For progressive increases in the digital value, a progressive number of the capacitors are connected to a particular one of the output lines, and capacitors previously connected to the particular output line are maintained connected to the output line with such progressive increases in the digital value.  The cumulative current through the particular output line is indicative of the analog value.                             **********
Patent CA-1216125-A (CA)
Inventor: ROGERS DAVID J
IPC: E04B9/10
Filed: 1984-11-29
Granted: 1987-01-06
Abstract: ABSTRACT     A clip is disclosed for joining fiberglass rein-forced plastic grid members in order to provide a corrosive-resistant frame work for a suspended ceiling.  The grid members are of an inverted T configuration with an enlarged protrusion at the base of the T running the length of the member.  The clip is resilient and generally U-shaped in cross-section with interiorly directed teeth which are able to engage and retain the protrusion on the grid members.          Some clips are used to join grid members in end to end relation and others are provided with outwardly directed flanges and are used to hold ceiling panels in place.
Patent CA-1217275-A (CA)
Inventor: OTT HANS
IPC: B41F33/00
Filed: 1984-12-17
Granted: 1987-01-27
Abstract: PROCESS, APPARATUS AND COLOR MEASURING STRIP         FOR EVALUATING PRINT QUALITY                ABSTRACT OF THE DISCLOSURE A color measuring strip having a plurality of different measuring fields includes information codes located either laterally adjacent to, or between, individual measuring fields.  The information codes are individually assigned to respective measuring fields, and contain information relating to such items as scanning position and the color and type of the field concerned.  The information codes are machine-read and are evaluated so that a scanning head may be positioned relative to the measuring fields, and are further used in processing the data  provided by the scanning head.
Patent CA-1254559-A (CA)
Inventor: IRIKURA TSUTOMU
IPC: C07D498/20
Filed: 1984-12-19
Granted: 1989-05-23
Abstract: ABSTRACT OF THE INVENTION  The invention provides a novel spiro-linked pyrrolidine-2,5-dione of the formula ;-                [I]   wherein X1 and X2 each independently represent a hydrogen, a halogen atom, a lower alkyl or lower alkoxy group;          Y is a methylene group, oxygen or sulfur atom; R1, R2, R3 and R4 each independently represent a hydrogen atom, a lower alkyl group or forming a benzene ring together with their adjacent carbon atoms; the base salts thereof with pharmace-utically acceptable cations, and processes for their manufactures.    The compounds of formula[I] useful as aldose reductase inhibitors and as therapeutic agents for treatment of chronic diabetic complications are also disclosed.
Patent CA-1250549-A (CA)
Inventor: O'BRIEN DENNIS
IPC: B65D33/06
Filed: 1984-12-20
Granted: 1989-02-28
Abstract: ABSTRACT             THERMOPLASTIC BAG HAVING REINFORCED HANDLES          AND METHOD OF MANUFACTURE          A thermoplastic bag has a pair of carrying handles formed integrally with the bag walls and extending upwardly from opposite sides of an open mouth portion of the bag.  The handle members are reinforced and comprise at least two layers of thermoplastic material, one of the layers forming the bag body and handles and the other layer serving as a reinforcement layer. The reinforcement layer is provided only in the handle areas of the bag structure.
Patent CA-1260837-A (CA)
Inventor: GAFFAR ABDUL
IPC: C08F30/02
Filed: 1984-12-27
Granted: 1989-09-26
Abstract: ABSTRACT OF THE DISCLOSURE   A composition for inhibiting dental plaque and gingivitis containing an effective plaque-  and gingivitis- inhibiting amount of polyvinyl phosphonic acid or salt thereof.
Patent CA-1223043-A (CA)
Inventor: WYLAND ALVIN D
IPC: H05B6/80
Filed: 1985-01-09
Granted: 1987-06-16
Abstract: Abstract of the Disclosure Microwave oven scale apparatus for coupling weight from the cavity and for providing a weight corresponding signal.    The weight corresponding signal is used by a microcomputer to compute cooking times.  Microwave transparent posts insert through holes in the floor of the cavity and support a tray on which the food is positioned.  The posts respectively screw down on unitary studs that have legs which straddle a pivot member of the scale.  The height of the studs can be adjusted by rotation on the studs.  The studs are aligned vertically and horizontally by connection to a frame positioned below the cavity floor.  The scale includes two parallel rails that are pivotally supported on their outward edges and have in-wardly directed extender arms which couple together at a location where they are supported by a compliant member.    The compliant member is S-shaped with the middle cross member defining a flexible beam having two strain gauges mounted on the upper side, one in a location of tension and the other in compression.  A locking mechanism secures the scale during shipment.
Patent CA-1247009-A (CA)
Inventor: KJOERNAES KIM
IPC: A61K/
Filed: 1985-02-11
Granted: 1988-12-20
Abstract: Diffusion Coated Multiple-Units Dosage Form ABSTRACT        In an oral pharmaceutical controlled release multiple-units formulation, individual units containing an active substance are coated with a substantially water-insoluble, but water-diffusible controlled release coating which includes 1)  an inner film layer which causes adhesion between the units at elevated temperatures, comprising a water-dispersible film-forming agent, and 2)  an outer film layer comprising a water-based film-forming agent which prevents adhesion between the units at elevated tempera-tures and imparts flowability to the units.        The inner film layer may additionally comprise a substance which is capable of forming a continuous phase.        By subjecting the thus coated units to heating to accelerate the formation of a continuous phase of the film-forming agent of the inner layer and optionally also of the additional substance, a coating is formed which substantially does not change its diffusion characteris-tics in the course of time.
Patent CA-1246503-A (CA)
Title: Apparatus for dispensing a mixture of mutually reactive liquids
Inventor: COMMETTE DENIS S
IPC: B01J4/00
Filed: 1985-04-12
Granted: 1988-12-13
Abstract: Abstract of the Disclosure Apparatus for dispensing a mixture of mutually reactive liquids, such as a resin and its hardener, com-prises a gun head having a bore opening therethrough to define a mixing chamber. The mutually reactive liquids are fed along separate paths through the head and into the bore to mix in the bore and be dispensed through one end of the bore. A valving rod is reciprocable in the bore, between a forward position in which the valving rod seals the liquid inlets from each other and occupies the mixing chamber, and a rearward position in which the valving rod opens the mix-ing chamber and permits the flow of liquids into the mixing chamber. One of the liquids is fed along the outer surface of the valving rod in the retracted position of the valving rod and along most of the length of the valving rod which was disposed in the mixing chamber in the forward position of the valving rod. In this way, mixed liquids are washed from the valving rod by that one component, in the rearward position of the valving rod.
Patent CA-1269558-A (CA)
Title: Article forming system
Inventor: WEDER DONALD E
IPC: A01G9/02
Filed: 1985-05-07
Granted: 1990-05-29
Abstract: ARTICLE FORMING SYSTEM                   Abstract of Disclosure An article forming system for forming at least one sheet or material into an article, such as a decorative flower pot cover for example, and a novel article formed utilizing such a system.  The article forming system in-cludes a male die, a female die and a platform having a support surface and an opening extending through the support surface.  The female die is disposed generally within the opening in the platform with the upper end of the female die being disposed near the support surface.  The article forming system includes means for slidingly holding portions of the sheet of material generally against portions of the support surface while permitting such held portions to slide on the support surface during the forming of the arti-cle for cooperating in forming a decorative border on the decorative flower pot cover type of article which flares generally away from the flower pot object when the decora-tive flower pot cover article is applied to the flower pot. The article formed in accordance with the present invention includes overlapping folds formed by overlapping portions of the sheet of material to bring portions of the sheet of material into bondable contact, the overlapping folds pro-viding the mechanical strength necessary for the formed sheet of material to hold a predetermined shape thereby permitting the utilization of thinner sheets of material to form articles.
Patent CA-1271788-A (CA)
Inventor: HEINZ LARRY
IPC: F16J15/18
Filed: 1985-05-10
Granted: 1990-07-17
Abstract: UNIVERSAL SEAL CAGE LANTERN RING  WITH CHANNELS AND FLUID SLOTS                           ABSTRACT      Universal Seal Cage Lantern Ring (USCLR) with channels and fluid slots disposed therein which allow fluid to circulate and which provide flexibility.  Furthermore, USCLR fluid indentations are provided on about every third to fifth fluid slot for additional fluid circulation.   The  USCLR is  constructed  in an undefined length and wraps around a shaft forming a single complete ring around any given sized shaft for which it is cut.  Either the continuous lands or the intermittent lands may form the inside diameter of the USCLR.
Patent CA-1226717-A (CA)
Inventor: SHERWOOD WILLIAM L
IPC: C21C5/56
Filed: 1985-05-15
Granted: 1987-09-15
Abstract: ABSTRACT OF THE DISCLOSURE     The invention provides an improved system for continuous processing of molten steel and other metals comprising continuous withdrawal, vacuum treatment and casting, employing a specialized post-treatment vessel stationed adjacent to a continually maintained supply of metal in a furnace bath.  The post-treatment vessel incorporates a vacuum degassing column chamber section which is fed with metal through a withdrawal tube with the inlet inserted into the furnace bath and the outlet into the degassing column, the lower portion of which extends laterally into a tundish pouring section from which metal may be poured through a nozzle directly into a continuous caster.  Sealing of the tundish cover, which is incorporated into the post-treatement vessel assembly, is a key element of the invention.  First this provides for initial post-treatment vessel evacuation to start metal withdrawal, simply by sealing off the tundish nozzle (optionally together with a withdrawal tube valve), eliminating secondary starting gates, seals, or the like for the degassing column section.  Secondly, it provides for a metal flow path from furnace to pouring nozzle and even from furnace-to-mold  which is completely excluded from the atmosphere eliminating the well-known deleterious effects of oxygen and nitrogen contact with the molten steel.  Thirdly, preferred embodiments practically eliminate internal flow restrictions and control points between bath and casting, the overall rate of metal flow being self adjusting throughout, according to withdrawal rate of the solidified cast section, which is subject to direct external operator control.
Patent CA-1251884-A (CA)
Inventor: NOONAN JOHN M
IPC: C08G63/00
Filed: 1985-05-24
Granted: 1989-03-28
Abstract: -i-POLYESTERS COMPRISING RECURRING PHOTOCONDUCTIVE AND PHOTOCROSSLINKABLE UNITS             AND ELEMENTS THEREOF Abstract of the Disclosure A polyester comprising at least 12 mole percent polymerized recurring units containing an arylamine photoconductive component and at least 15 mole percent polymerized recurring units containing a photopolymerizable component and wherein each of said components is responsive to a different wavelength of light.  The polyesters are useful in radiation-sensitive elements, particularly lithographic ele-ments.
Patent CA-1230302-A (CA)
Title: Aerial ropeway transport installation with several  sections
Inventor: TARASSOFF SERGE
IPC: B61B7/04
Filed: 1985-10-07
Granted: 1987-12-15
Abstract: ABSTRACT OF THE DISCLOSURE:           A detachable gondola lift or chair-lift comprises several sections which can operate independently from one another.  The two sections are connected in the intermediate station by connecting tracks to transfer the cars from one section to the other.  Each section is equipped with a chain to drive the cars on the transfer rails, fitted with flowrate regulating means regulating the flowrate of the cars.  When the two sections are joined, an adjustment device adjusts the chain of one of the sections in relation to the chain of the other section to achieve a regular transfer of the cars from one section to the other without intermediate storage.
Patent CA-1271231-A (CA)
Inventor: MICKEAL JAMES F
IPC: G06F7/02
Filed: 1985-10-29
Granted: 1990-07-03
Abstract: ABSTRACT              A circuit for processing digital signal data from signal sources such as sensors in a radar system.  The parameters in a packet are tested against a predetermined set of corresponding data.  Each set of data can be considered as a window.  If the value of each tested parameter falls within the window, then the packet matches the filter criteria.  There can be several sets of filter criteria, and hence all sets must be sequentially tested.  Upon finding a filter match, two actions can result:  "excision", which means that upon a match, that parameter packet is discarded from the data flow, or "track", which results in the transfer of the parameter data to a follow on processor.
Patent CA-1244105-A (CA)
Inventor: POTOCNIK OTTO J
IPC: F16L3/00
Filed: 1985-11-05
Granted: 1988-11-01
Abstract: ABSTRACT OF THE DISCLOSURE     The support  system for electrical cables includes a plurality of orthogonally disposed support rails and standard-ized clamping joints for adjustably clamping the rails toge-ther.  Cable supporting beams may be disposed in spaced, paral-lel relation to selected rails and standardized clamping joints are provided at opposite ends of the cable supporting beams for adjustably connecting beams to a rail and clamping a plurality of cables therebetween.  All of the beams, rails and joints are of insulating material.