baber/WOPTO huggingface dataset:
Patent CA-1136841-A (CA)
Inventor: KLEIST FREDERICK D
IPC: A61L12/08
Filed: 1980-01-14
Granted: 1982-12-07
Abstract: METHOD AND COMPOSITION FOR TREATING CONTACT LENSES              ABSTRACT           The invention relates generally to a method and composition for the treatment of contactlenses to remove inor-ganic deposits and to prevent the formatin of inorganic deposits on the lenses.  One of the problems connected with these types of lenses is the formation, over a period of time, of insoluble inorganic deposits on the lenses.  These deposits are thought to be primarily calcium based, e.g., calcium phosphate and calcium cabonate, but may also contain other inorganic materials and associated organic materials, e.g., protein.  The presence of these insoluble inorganic deposits is a common cause of lens intolerance and decreased visual acuity.  The present invention provides a method and compo-sition for the treament of contct lenses, and especially silicone and hydrophilic plastic contact lenses, to remove inorganic deposits and to prevent the formation of inorganic deposits on the lenses.  The method comprises contacting a contact lens with an acqueous solution containing an effective amount of a sequestering agent selected from the group consisting of a poly-metaphospate, gluconic acid and salts thereof for a period, of time sufficient to remove existing inorganic deposits and to prevent formation of inorganic deposits.
Patent CA-1121422-A (CA)
Inventor: GREENBERGER JOSEPH I
IPC: F27D1/18
Filed: 1980-01-24
Granted: 1982-04-06
Abstract: ABSTRACT OF THE DISCLOSURE           A roof assembly for an electric arc furnace formed by a series of water cooled panels supportingly arranged be-tween the water conveying outer ring and a water conveying center ring encircling the electrode-refractory area.  One or more of these panels are constructed of a copper face sheet brazed to a steel backing sheet having groups of several machined traverse passageways, and are located in critical areas in the roof.  Communicating with each group of passageways is a water entry header and a water discharge header.  The outer ring acts as both a water source and drainage for the panels and center ring.  The panels are suspended from a self-supporting spider web structure which carries the center ring and is supported by the outer ring.
Patent CA-1126778-A (CA)
Title: Collapsible perambulator cot frame structure  including telescopic side members
Inventor: PEREGO GIUSEPPE
IPC: B62B7/08
Filed: 1980-02-07
Granted: 1982-06-29
Abstract: ABSTRACT OF THE DISCLOSURE:         Cot frame for a collapsible perambulator: comprising a pair of apposite side struts, including each a front leg and a rear leg, pivot means interconnec-ting said rear leg and corresponding front leg interme-diate the ends thereof and an arm member pivotally con-nected to the upper end portion of the respective front legs, a base cross-strut including crossing arm struts pivoted together intermediate to the ends thereof, means for pivoting the opposite ends of the respective arm struts of said base cross-strut to the lower end portion of diagonally disposed front and rear legs, the impro-vement comprising side elements interconnecting the side ends of the base cross-strut whereby the structure is effectively strengthened.
Patent CA-1138637-A (CA)
Inventor: TAKACS ISTVAN
IPC: C07D239/92
Filed: 1980-03-20
Granted: 1983-01-04
Abstract: ABSTRACT OF THE DISCLOSURE     A drier, especially for viscous materials, comprises a double-wall cylindrical vessel which is heated and to which the material to be dried is fed at one end with the dried material being removed at the opposite end.  A drying gas inlet is connected to the drying chamber to pass the drying gas in counterflow or uniflow with the material and a shaft is rotatable along the axis of the chamber and carries adjustable disks with alternately inner and outer openings so that the material path through the vessel is deflected toward and away from the axis as the material passes suc-cessively through adjustable-length cells between these disks. All of the disks carry blades which scrape the material from the heated wall from the vessel and at least some of the disks carry rollers of predetermined spacing from this wall to adjust the particle size of the dried product.
Patent CA-1162238-A (CA)
Inventor: CARTER WOODWARD C II
IPC: G05F1/70
Filed: 1980-04-03
Granted: 1984-02-14
Abstract: 47,972 ABSTRACT OF THE DISCLOSURE           In  a  power  utilization  system  having  loads drawing energy from a utility company, as part of compu-terized power demand control system, the power factor is automatically  controlled  by  the  computer.   Typically, compensation capacitors are automatically switched IN or OUT in a selected sequence in accordance with the instan-taneously measured lagging KVAR.  The power factor is also calculated from the measured KVAR and KW and displayed.
Patent CA-1147708-A (CA)
Inventor: JENSEN WILLIAM S
IPC: F16F1/02
Filed: 1980-04-28
Granted: 1983-06-07
Abstract: ABSTRACT     An isolator designed to prevent transmission of shock and vibration from one structure to another, comprising a device structured to provide orthogonal excursion in three directions and comprising a plurality of nested, concentrically-arranged component structures, each of which is structured to permit orthogonal excursion and a connector element for securing said structures in nested parallel relation so that the composite resistance to displacement is the sum of the resistances of the individual components.  The component structure may decrease in size from the outside to the inside or be all of the same size.
Patent CA-1147312-A (CA)
Inventor: WILEY EMMETT H
IPC: G03B15/02
Filed: 1980-05-30
Granted: 1983-05-31
Abstract: ABSTRACT OF THE DISCLOSURE    A compact lamp unit and associated socket for use in a projection system such as a slide projector, microfilm viewer, and so forth. The lamp unit includes a reflector molded from a plastic material and an electric lamp secured within the reflector. In order to decrease the axial dimension of the reflector and to avoid the use of pin connectors, electrical contacts for the lamp are pressed into recesses formed in the outer surface of the reflector. The reflector includes an opening at its apex through which electrical leads from the lamp extend outwardly of the reflector. The electrical leads are secured to the contacts by being forced into the recesses along with the contacts. This construction technique is fast and simple.      The lamp unit also includes a handle to enable a heated lamp unit to be replaced by the user and a guide means to enable the lamp unit to be oriented quickly and accurately upon insertion into the socket. In their preferred forms, the handle and the guide means are identically configured and comprise fins extending outwardly of the convex surface of the reflector, the fins lying on opposite sides of the opening and in the same plane.      The socket into which guide means is inserted includes a first upstanding member defining a reference plane against which a portion of the reflector is engaged in use. A second upstanding structure engages another portion of the reflector to securely retain the reflector when it is inserted into the socket. The socket includes a pair of flexible contacts engageable with the contacts carried by the lamp unit, the socket contacts being positioned in a plane substantially parallel with the reference plane. When the lamp unit is inserted into the socket, the socket contacts are flexed Abstract of the Disclosure cont'd.... sufficiently to make good electrical contact with the contacts carried by the lamp unit. A retention mechanism in the form of a flexible bail may be used to prevent inadvertent displacement of the lamp unit from the socket.
Patent CA-1153426-A (CA)
Inventor: CHAUDHARY RASHID A
IPC: G01R31/02
Filed: 1980-07-10
Granted: 1983-09-06
Abstract: -            GROUND FAULT DETECTOR FOR DC POWER SUPPLY    Abstract A detector circuit for detecting an unwanted ground coupled to either terminal of an ungrounded d.c. power supply.  The circuit uses simple and economical components including four resistors, two diodes and a single voltage comparator.  The resistors provide two voltage dividers whose midpoints are at different potentials.  The two midpoints are coupled by the two diodes in series with the midpoint of the diodes grounded.  A voltage comparator is coupled to the voltage divider midpoints.  Any unwanted ground will shift the relative polarity of the voltage divider midpoints and alter the output signal of the voltage comparator.
Patent CA-1161640-A (CA)
Inventor: WARE R LOUIS
IPC: A01G31/02
Filed: 1980-07-18
Granted: 1984-02-07
Abstract: ABSTRACT OF THE DISCLOSURE    A hydroponic assembly in the form of a tray having spaced through-openings serving as growing stations, the tray being supported by a trough containing a body of nutrient solution.  At each growing station there is a wafer of dry compressed growing medium having a seed-receiving surface on its top side and having a wick communicating with its underside and extending downwardly into the nutrient solution, the growing medium being of the type capable of expanding three-dimensionally into a porous root-supporting block as the solution is fed via the wick by capillary action.  The land surface surrounding each opening is formed into a well or receptacle for maintaining the porous block seated and generally aligned with the opening.  A transparent cover of hollow inverted shape defines an enclosed space developing high humidity for sprouting of the seeds and growth of the resulting seedlings, the cover, tray and trough being interfitted.  The wick is preferably secured to the underside of the wafer by being tacked in place with a metal staple.
Patent CA-1155659-A (CA)
Inventor: BAKER STANLEY Z
IPC: A01M23/00
Filed: 1980-10-01
Granted: 1983-10-25
Abstract: TRAP FOR RATS, MICE, AND OTHER VERMIN                            ABSTRACT      A non-toxic adhesive trap for mice and insects using a pressure sensitive adhesive which is insensitive to normal heat variations in a room and will not bleed onto adjacent surfaces. A non-porous plastic tray has a central indentation into which molten material is poured which then thickens to provide a tacky layer which will trap, by self-adhesion, any vermin coming into contact therewith.
Patent CA-1158972-A (CA)
Inventor: KRAUSS FERDINAND A
IPC: B23D35/00
Filed: 1980-10-22
Granted: 1983-12-20
Abstract: Title:  Slitter Inventor:  Ferdinand Krauss et al ABSTRACT OF THE DISCLOSURE A slitter and readily removable head includes a drive housing and an idle housing projecting from a base with the arbors for the slitting knives extending between the housings.  The lower arbor is journaled in vertically movable blocks with a jack system in the base thus moving the lower arbor.  The idle housing and arbors are movable on the base as a unit away from the drive housing so that the idle housing and arbors may readily be removed and replaced. The lower arbor journal block of the idle housing includes a T-slot socket engageable with one or more jacks at a certain horizontal position so that arbors of different length may be employed.  The idle housing and arbors forming the re-movable head contain no gearing, jacks, jack drive connections or fluid or electrical lines requiring connection or dis-connection.  A turntable may be employed to move the dis-connected head to a storage or retooling location.  An overhead crane may also be employed to remove or replace the head from or to the storage or tooling location.  The slitter includes a horizontally movable actuator with locating pins for quick assembly.
Patent CA-1155250-A (CA)
Inventor: HOMAN GARY R
IPC: C08K5/04
Filed: 1980-11-21
Granted: 1983-10-11
Abstract: ABSTRACT      Compositions stable in the absence of oxygen are formed by mixing the following substantially in the absence of oxygen (A)  mercapto-functional organosiloxanes containing an average of at least two mercapto-funceional substituents per molecule, (B)  optionally, at least one filler; (C)  a catalytic amount of a metal carbonyl compound selected from the group consisting of Fe(CO)5, Fe2(CO)9, Fe;(CO)12, dicyclopentadienyldiiron tetracarbonyl, butadieneiron tricarbonyl, cyclohexadieneiron tricarbonyl, Ni(CO)4, dicyclopentadienyldinickel dicarbonyl, Mn2(CO)10, methylcyclopentadienylmanganese tricarbonyl and cyclopentadienylcobalt dicarbonyl, preferably from 0.1 to 6 parts by weight of iron carbonyl catalyst per 100 parts by weight of part (A). The compositions polymerize or cure upon exposure to oxygen.  By utilizing various types and amounts of mercapto-functional organosiloxanes, higher molecular weight products useful as encapsulating gels, coating resins and elastomeric sealants can be obtained by exposing the compositions of the present invention to oxygen.
Patent CA-1149243-A (CA)
Inventor: CHAPMAN LLOYD R
IPC: B01D53/86
Filed: 1981-01-20
Granted: 1983-07-05
Abstract: D-3,640   C-3215 APPLICATION OF AN ALUMINA COATING TO OXIDE WHISKER-COVERED SURFACE ON AL-CONTAINING  STAINLESS STEEL FOIL        Abstract of the Disclosure In  a  preferred embodiment, a method is disclosed for applying a gamma alumina coating to a metal foil composed of an aluminum-containing ferritic stainless steel alloy and having an oxidized surface that is substantially covered by high-aspect alumina whiskers.  The method comprises wetting the whisker-covered surface with a thixotropic alumina gel formed by mixing between about 4% to 6% by weight alumina monohydrate in water and acidifying with nitric acid to a pH below 2Ø While still wet, the primed surface is coated with a material consisting of gamma alumina powder suspended in a similar acid-stabilized aqueous alumina gel.  The two-coat layer is air-dried and additional layers of the powder-containing material are applied and dried to form a gamma alumina coating of desired thickness.
Patent CA-1156500-A (CA)
Inventor: MENNEL GABRIEL B
IPC: B21B1/08
Filed: 1981-02-02
Granted: 1983-11-08
Abstract: ABSTRACT                    ROLLING MILL ROLLS      The present invention discloses an arrangement of grooves  on the rolls of a rolling mill stand intended particularly for the rolling of beams, rails, channels, squares, diamonds, rounds, tie plates, joint bars and similar shapes wherein a plurality of grooves for shapes with different web heights are nested on the same set of rolls in such a way that the whole of the part of a groove serving as a surround to the shortest web is common to all the nested grooves.
Patent CA-1126908-A (CA)
Inventor: SAKKAB NABIL Y
IPC: D06L4/50
Filed: 1981-02-25
Granted: 1982-07-06
Abstract: ABSTRACT OF THE DISCLOSURE Improved fabric bleaching and stain removal are achieved by use of a composition comprising a photo-activator and a cationic substance.  The photoactivator is a tetra-aza porphine, solubilized with anionic, nonionic and/or cationic substituent groups, and metal free or metallated with Zn(II), Cd(II), Mg(II), Sc(III), or Sn(IV).  The cationic substance is preferably one that, in a la?dry bath, itself performs a desired function such as acting as fabric softener, electrostatic control agent, surfactant, or germicide.
Patent CA-1157170-A (CA)
Inventor: SCHREIBER PETER
IPC: G06T11/00
Filed: 1981-02-27
Granted: 1983-11-15
Abstract: PHD 80033                                       12.2.81 ABSTRACT: Dental tomography apparatus.     A dental tomography apparatus comprises three drive motors for displacing the film and the X-ray source in two mutually perpendicular directions in a horizontal plane and for pivoting the carrier which connects the film and the X-ray source. The control signals for the motor drives are derived from the contour of the dentition by means of a plate which is covered by contacts on which the patient exerts a pressure by biting, so that the contacts whose position corresponds to the shape of the dentition are actuated. Therefrom, the contour of the dentition is determined by an arithmetic unit which supplies the con-trol signals for the drive motors.
Patent CA-1178239-A (CA)
Inventor: TAKEMURA REIJI
IPC: C25B1/46
Filed: 1981-03-03
Granted: 1984-11-20
Abstract: ABSTRACT OF THE DISCLOSURE      A process for the production of sodium chlorate comprising electrolyzing an aqueous sodium chloride solution in a di-aphragmless sodium chlorate cell, characterized in that an aqueous sodium chloride solution containing, as impurities, calcium, magnesium, barium and the like is contacted with a chelating ion exchange resin to remove the impurities and the resulting saline solution is supplied into a diaphragmless sodium chlorate cell, thereby enabling sodium chlorate to be produced at a stable electrolytic voltage.  Further, there is provided a process for the production or sodium chlorate using a combination of a sodium chlorate cell and a cation exchange membrane process type chlorine-alkali cell, charac-terized in that a weak saline solution taken out of an anode chamber of a cation exchange membrane process type chlorine-alkali cell is supplied with sodium chloride to form an aqueous sodium chloride solution, which is subsequently contacted with a chelating ion exchange resin to remove calcium, magnesium, barium and the like contained as impurities in said solution, and at least part of the resulting purified saline solution is supplied into a sodium chlorate cell, whereby sodium chlorate formed as a by-product in the chlorine-alkali cell can be effectively recovered and the elevation of the electrolytic voltage of the sodium chlorate cell with the lapse of time can be well prevented.
Patent CA-1168197-A (CA)
Inventor: KATO MASAMI
IPC: F16B19/00
Filed: 1981-04-10
Granted: 1984-05-29
Abstract: ABSTRACT OF THE DISCLOSRUE     Disclosed is a cluster type tag pin assembly having a multiplicity of tag pins adapted for use in securing price tags or the like to sold goods.  The tag pin assembly includes a large number of tag pins each having a head portion, a cross bar and a filament portion through which the cross bar is connected to the head portion.  Each side surface of the cross bar of each tag pin is formed at the central portion thereof with an expanded portion, and expanded protions of each adjacent cross bars are mutually joined.
Patent CA-1168163-A (CA)
Inventor: AUCLAIR CLAUDE
IPC: B01D35/30
Filed: 1981-04-23
Granted: 1984-05-29
Abstract: ABSTRACT OF THE DISCLOSURE Herein is described a filtering unit for biological fluids. The filter-ing unit is composed of an open top container, a cover for the container, filter which is in contact with the cover and extends downwardly into the container and an aperture in the cover through which the filtered fluid is withdrawn. The filtering unit provides a sample of the filtered fluid using an inexpensive apparatus and can be used by unskilled operators.
Patent CA-1164425-A (CA)
Inventor: GULLIKSEN JOHN E
IPC: F21V19/04
Filed: 1981-04-30
Granted: 1984-03-27
Abstract: TITLE     LUMINAIRE APPARATUS WITH MULTIPLE LIGHT SOURCES INCLUDING METHOD AND MEANS FOR SWITCHING AND ADJUSTING FOCUS OF THE                  LIGHT SOURCE     ABSTRACT     A holder, for example a multiple light source socket, is mechanically travelled in a supporting structure, in both rotary and linear paths of travel.          Rotary travel provides for interchangeably locating lamps along a focal axis in a luminaire housing.  Linear travel of the socket provides a focusing adjustment for each lamp along the focal axis to position it at a desired point of focus.  In one form the supporting structure may comprise a miner's cap lamp having an externally located knob which may be manually turned by a miner to move the socket member.  Other forms of supporting structures and movable parts may be provided as hereinafter disclosed.
Patent CA-1166957-A (CA)
Inventor: BLUESTEIN BARRY I
IPC: G01N33/58
Filed: 1981-05-04
Granted: 1984-05-08
Abstract: Abstract of the Disclosure An immunoassay, to be carried out in a semi-quantita-tive or quantitative manner, to determine the amount of an oncofetal antigen associated with peripheral blood mono-nuclear cells, in which a competitive binding immunoassay for the antigen is carried out using labeled antibody and wherein analogous mononuclear cells carrying a defined amount of the antigen are used as a positive quality control reagent.  A diagnostic kit comprising the necessary reagents is also disclosed.
Patent CA-1173494-A (CA)
Inventor: HILL WALTER A
IPC: H02P7/298
Filed: 1981-05-29
Granted: 1984-08-28
Abstract: Case 2773 IMPROVED SPEED CONTROL FOR TRUCK   ABSTRACT OF THE DISCLOSURE     A speed control for a DC motor drive having regenerative braking and a field reversing control, has a field current feedback circuit which includes a modifier to change the feedback signal in accordance with the saturation curve of the field to provide a feedback signal representing field strength or field flux.  Because motor field strength is regulated as a function of the required field strength, the control tends to make the speed of response independent of actual field strength.  Also, a feedback signal is provided which is a function of the product of actual field strength and desired armature current, i.e., related to torque, and this controls the speed signal so that the gain of the speed regulating amplifier is inversely proportional to field strength.  This allows drive operation at reduced field strength while maintaining the response.
Patent CA-1170685-A (CA)
Inventor: CORDIA HANS
IPC: F16L41/00
Filed: 1981-06-11
Granted: 1984-07-10
Abstract: ABSTRACT                 FLEXIBLE COLLAR TEE.            A recoverable sheet material can be provided with a first portion and a second portion  having a series of pleats which accommodate an increasing extent of expansion. The sheet A can be wrapped-around to form a branch-off conduit from a main conduit. The pleated region splays out to form an overlap over a hole in the main conduit. The sheet can be provided with a double pleated region to provide a pipe bend.     (Figure 1)
Patent CA-1159429-A (CA)
Inventor: ANDERSON HAROLD F
IPC: D02H1/00
Filed: 1981-06-17
Granted: 1983-12-27
Abstract: ABSTRACT OF THE DISCLOSURE   Disclosed is a technique for alleviating the problem of banding or streaks of different color shades occuring in fabrics woven from synthetic yarns.  The yarns are formed at metiers, wrapped onto packages, and placed onto transports.  Yarns on a common transport have generally similar dyeing charac-teristics, whereas such characteristics differ from one transport to the next. The transports are positioned at a creel where the yarns are unwound from the packages and wrapped onto a beam in longitudinally adjacent fashion.  The yarns are guided so as to form rows of yarns.  The rows are vertically intermixed so that yarns from various transports are interposed between one another on the beam so as to eliminate the presence on the beam of large groups of yarns having similar dyeing characteristics.
Patent CA-1160336-A (CA)
Inventor: BALLATO ARTHUR
IPC: H03H9/19
Filed: 1981-07-17
Granted: 1984-01-10
Abstract: ABSTRACT OF THE DISCLOSURE   An acceleration resistant crystal resonator is made from a single quartz plate that is optically twinned into a left-handed (LH) quartz portion and a right-handed (RH) quartz portion.  According to the method, the optically twinned single quartz plate is formed into a resonator plate wherein the effective thickness of the (LH) portion is substantially the same as the effective thickness of the (RH) portion.  The resonator plate is then mounted and bonded to the support structure of a crystal resonator enclosure.  A pair of electrodes is then deposited onto the (LH) portion and a pair of electrodes deposited onto the (RH) portion.  The thickness of the two pairs of electrodes is then adjusted so that the resonant frequency of the resonator on the (LH) portion is substantially the same as the resonant frequency of the resonator on the (RH) portion.  The pairs of electrodes are then interconnected to each other and to an oscillator circuit so that in-phase vibration of the two portions is assured.  The enclosure is then hermetically sealed.