baber/WOPTO huggingface dataset:
Patent CA-1111573-A (CA)
Inventor: PAVKOVICH JOHN M
IPC: H01J37/22
Filed: 1976-11-18
Granted: 1981-10-27
Abstract: PATENT APPLICATION                         By John M. Pavkovich and Craig S. Nunan TOMOGRAPHIC APPARATUS AND METHOD FOR   RECONSTRUCTING PLANAR SLICES FROM  NON-ABSORBED AND NON-SCATTERED           RADIATION             ABSTRACT OF THE DISCLOSURE      In a tomographic apparatus and method for reconstructing two dimensional planar slices from linear projections of non-absorbed and non-scattered radiation useful in the fields of medical radiology, microscopy, and non-destructive testing, a beam of radiation in the shape of a fan is passed through an object lying in the same quasi-plane as the radiation source and non-absorption and non-scatter thereof is recorded on oppositely situated detectors aligned with said source. There is relative rotation between the source-detector configuration and the object within the quasi-plane. periodic values of the detected radiation are taken, convolved with certain functions, and back-projected to produce a two-dimensional output picture on a visual display illustrating a facsimile of the object slice.  A series of two-dimensional pictures obtained simultaneously or serially can be combined to produce a three-dimensional portrayal of the entire object.  The invention is the first device which uses a fan beam source of radiation coupled with the application of a convolution method of data reduction with no intervening reordering of fan beam rays, thereby eliminating errors and delays in computation time which would be involved in such reordering.  The invention is the first method for providing an exact reconstruction of a two-dimensional picture of an object slice from a series of one-dimensional projections of radiation not absorbed by the slice when the superior fan beam source is employed.
Patent CA-1069453-A (CA)
Inventor: JAMES LEWIS C
IPC: C10G47/30
Filed: 1976-11-25
Granted: 1980-01-08
Abstract: START-UP PROCEDURE FOR A RESIDUAL OIL PROCESSING UNIT         ABSTRACT OF THE DISCLOSURE    In starting up an upflow, ebullated bed hydroprocessing reactor, a light oil is used, to establish an ebullating bed.  As heavy residual feedstock is incrementally substituted, the ebullating pump speed and gas flow rate need to be monitored and adjusted for smooth operation.  By knowing and controlling the viscosity and density of the feestock, flow variations inside the reactor can be minimized, resulting in a constant pump speed and gas flow rate.
Patent CA-1076264-A (CA)
Inventor: DANCY EDNA A
IPC: H01L35/02
Filed: 1977-01-20
Granted: 1980-04-22
Abstract: ABSTRACT OF THE DISCLOSURE:          A device for continuously monitoring the internal surface temperature of a refractory lining in a metallurgical furnace.  The device comprises an outer sheath, a pair of dis-similar, metallic wires within the outer sheath and a powdered oxide material closely packed within the sheath and surrounding both wires.  Each wire is separately insulated by a sleeving of a refractory material having a melting point higher than the normal working temperature of the furnace at the surface of the lining.  The oxide material used as a packing between the outer sheath and the wires is electrically conductive at elevated temperatures and has also a melting point higher than the tem-perature normally encountered at the surface of the lining.    Both the insulating refractory material and conductive oxide material, when exposed to the aforesaid normal working tempe-rature, react with each other to form a conducting bridge between the dissimilar wires at the surface of the lining, which bridge is operative to provide a signal related to the internal surface temperature of the lining.  This reaction requires a temperature substantially equivalent to that normally encounter-ed at the surface of the lining; thus, there is no chance that it will occur at an appreciable distance therefrom, so result-ing in a conducting bridge distant from the temperature to be measured, which would give spurious temperature readings.
Patent CA-1069442-A (CA)
Inventor: SATO TORU
IPC: G11B3/095
Filed: 1977-01-31
Granted: 1980-01-08
Abstract: ABSTRACT OF THE DISCLOSURE     A record player having single lever presetting control for manual and repeat operation.  The record player has tone-arm  locking when a final repeat cycle has been terminated.        A repeat designating lever and an operating member for operating the designating lever  per repeat cycle, while the operating lever engages the repeat designating lever only for a given per-iod of time.  A feed member is urged in one direction under the action of a spring, is secured to a repeat feed level reciprocable in response to one cycle of notation of a drive gear driven in association with rotation of a turn-table, while the feed member is so designed as to engage a tooth cam of a repeat feed plate which stores a repeat cycle commensurate with an extent of its displacement, before the completion of one cycle of rotation of the drive gear, thereby causing a given extent of displacement of the saw tooth cam, with the result that the number of parts may be reduced and the count-down of a repeat memory may be readily accomplished by an arbitrary operation of a single mode-shifting rod.
Patent CA-1096762-A (CA)
Inventor: KISSELL RONALD E
IPC: D04H1/42
Filed: 1977-02-25
Granted: 1981-03-03
Abstract: ABSTRACT OF THE DISCLOSURE         This invention relates to a method and apparatus for molding articles, such as one piece pipe insulation, from fibrous material, in part-icular, fibrous insulation material containing a hardenable binder material. The fibrous insulation is formed into a hollow cylindrical shape and advanced, by means of a rotating helix engaging its interior surface, through a cooling coil to keep the material in its uncured state.  The material is advanced into a heating chamber where first the exterior surface is cured and then the interior.  After cooling, material is reopened along the seam.
Patent CA-1079366-A (CA)
Inventor: HERRMANN KARL H F W
IPC: B23K9/12
Filed: 1977-03-09
Granted: 1980-06-10
Abstract: Applicant:  Nova-Tech Engineering, Inc.           Title:    Welding Wire Feed Mechanism ABSTRACT        Workpieces to be joined by welding are held in juxtaposition to provide a joint location to which welding wire is to be fed.  The welding wire is fed to the joint location from a passage in a welding wire feeder that is guided for movement relative to the workpieces and the joint location.  As the welding wire feeder is moved relative to the joint location, welding wire passes from a groove in the feeder through an arcuate passage directed toward the joint location.  During welding the feeder is moved relative to the workpieces along the weld line.  The welding wire is melted at the joint location by being heated, such as by connecting a workpiece and the welding wire feeder to an electric circuit for producing a welding are between the welding wire and the workpieces at the joint location.
Patent CA-1083169-A (CA)
Inventor: KRISTIANSEN ODD
IPC: A01N57/28
Filed: 1977-04-27
Granted: 1980-08-05
Abstract: Abstract of the Disclosure Compounds of the formula I                                     (I) wherein R1 is propyl or butyl and R2 and R3, each independently of the other, is hydrogen or C1-C4-alkyl possess valuable pesticidal, in particular insecticidal and nematicidal, properties.
Patent CA-1061760-A (CA)
Title: Method and apparatus for applying insulation material to a wall of a building structure
Inventor: CLEMENSEN CARL L
IPC: E04F21/18
Filed: 1977-05-09
Granted: 1979-09-04
Abstract: ABSTRACT         A method and apparatus for applying insulation material to the sidewalls and endwalls of a building structure. The apparatus is dis-posed parallel and adjacent to the top of the wall. A roll of insulating material is mounted on the apparatus and fed downward along the side of the building wall and parallel thereto. The end of the insulating mater-ial is attached to the bottom of the wall and the insulating material is tightened and held in place by a tension means which is part of the appar-atus. The insulating material is then attached to the top of the wall and cut free from the remaining insulating material on the roll. The appar-atus is then moved along the top of the wall to a position where the insu-lating material can be fed downward adjacent to the attached insulating material. The method is then repeated.
Patent CA-1070748-A (CA)
Inventor: HELMS CHARLES C
IPC: H01J5/16
Filed: 1977-06-01
Granted: 1980-01-29
Abstract: OZONE ABSORBANCE CONTROLLER     ABSTRACT OF THE DISCLOSURE        An ozone absorbance controller for use with an ultraviolet light source, which includes a vented, trapped gas filter disposed in the optical emission path of said ultraviolet light source to absorb high energy ultra-violet rays of wavelengths below about 200 nanometers, and thereby substan-tially preventing the formation of ozone in the optical emission path subsequent to the filter.
Patent CA-1094429-A (CA)
Inventor: DE BREBISSON MICHEL X M
IPC: H01L21/8248
Filed: 1977-07-07
Granted: 1981-01-27
Abstract: 14.6.77 ABSTRACT         A method for the self-aligned manufacture of a semiconductor device having island insulation obtain-ed by thermal oxidation. Provided successively on the semiconductor surface are an insulating layer of pre-ferably silicon oxide, a layer of silicon nitride, and a layer of preferably aluminium oxide. In the last-mentioned layer a basic mask is formed having apertures at the area of all the semiconductor zones to be formed and of the island insulation zones, From this mask the various processes are carried out via  a replica mask obtained in the nitride layer,
Patent CA-1097508-A (CA)
Inventor: DAVIDSON RAYMOND J
IPC: C22B11/08
Filed: 1977-07-14
Granted: 1981-03-17
Abstract: ABSTRACT OF DISCLOSURE          The invention provides a method of recovering metal values selected from gold, silver, copper and nickel from a support such as activated carbon having one or more of these values adsorbed thereon in the form of an alkaline earth metal ionic complex, the metal value forming part of the anionic portion thereof, including the steps of contacting the support with a solution selected from the group of an alkali metal cyanide solution, an alkali metal hydroxide solution and a mixture thereof, followed by desorbing the metal values from the support with water having a low concentration of metal cations, preferably deionised or softened water.
Patent CA-1083723-A (CA)
Inventor: RIDER RONALD E
IPC: G09G5/42
Filed: 1977-07-28
Granted: 1980-08-12
Abstract: Abstract of the Disclosure High resolution character generator for producing rows of characters to be scanned on a display medium.  Input data defining characters to be printed in ordered rows of text is sorted to provide specifications for the characters which begin on each successive scan line.  These specifications are stored initially in an input buffer, and specifications for characters which have been partially printed in a previous scan line are stored in an active character buffer.  For each scan line, the character specifications are read first from the active character buffer and then from the input buffer until an end of line specifier is reached.  For each character specification received, a font memory containing data defining the characters is cycled.  The data from the font memory is decoded and presented to the display medium on a line by line basis.
Patent CA-1084589-A (CA)
Title: Tool for manually tripping a fault indicator for high voltage electric power circuits and resetting same
Inventor: SCHWEITZER EDMUND O JR
IPC: G01R31/08
Filed: 1977-08-15
Granted: 1980-08-26
Abstract: ABSTRACT OF THE DISCLOSURE The invention relates to tools for testing fault indicators of the kind and character disclosed in my U.S. Patent No. 3,906,477, issued September 16, 1975. The fault indicator includes a magnetically operable reed switch to be positioned in the magnetic field generated around a conductor carrying alternating fault current and a resetting circuit to reset an indicator. The tool has a unitary structure which includes a winding to be positioned generally parallel to the reed switch to close the switch when energized and an oscillator to operate the resetting circuit.
Patent CA-1088215-A (CA)
Title: Fabrication of power field effect transistors and the  resulting structures
Inventor: JAMBOTKAR CHAKRAPANI G
IPC: H01L21/336
Filed: 1977-09-23
Granted: 1980-10-21
Abstract: FABRICATION OF POWER FIELD EFFECT TRANSISTORS           AND THE RESULTING STRUCTURES  Abstract The fabrication method provides a power metal-oxide-semiconductor field-effect transistor (MOSFET) having high switching speed capabilities.  The high switching speed is facilitated by narrow channel length which is defined by the difference in lateral diffusion junctions of the P substrate and N source diffusions.  The high current capability is produced by the large channel width.  The high voltage capability is caused by the use of FET substrate P diffusions designed to be located apart from one another by very small distances.  Unbiased or floating P diffusions are designed to flank the outer peripheries of P substrate diffusions.  The close proximity of the adjacent P substrate diffusions reduces the electric field in the curvature portion of the P diffusion junctions in the N- silicon body at their inner peripheries, while the presence of the unbiased P diffusions at the appropriate distance from the outer peripheries of P substrate diffusions reduces the electric field in the curvature region of the P substrate diffusions at their outer peripheries.  The N silicon body forms the drain region.
Patent CA-1091730-A (CA)
Title: High voltage fuse using thread as support for fusible  element
Inventor: MIKULECKY HARVEY W
IPC: H01H85/18
Filed: 1977-12-13
Granted: 1980-12-16
Abstract: FUSE     Abstract of the Disclosure A high voltage fuse of the current limiting type including a housing of insulating material, a cylindrical support formed by an inorganic asbestos thread or string threaded on end plates which are mounted in a spaced relation on a support rod, the thread forming a cylindrical support for a fusible element which is spirally wrapped about the cylindrical support.  An arc quenching material is used to fill the housing and completely surround said fusible element.
Patent CA-1091510-A (CA)
Inventor: LYSHKOW NORMAN
IPC: F23G5/32
Filed: 1978-01-30
Granted: 1980-12-16
Abstract: ABSTRACT OF THE DISCLOSURE      A burner of the double vortex type wherein combustibles travel in an outer spiral during which time the combustibles ignite and burn and the combustion products are expelled from the burner by travelling along an inner spiral.  The inner and outer spiral layers are separated by a cylindrical wall to prevent disruption of the currents and countercurrents and adverse turbulence as a result thereof in order that the combustibles and particularly solid fuels are entrained in the combustion stream for a sufficient residence time for maximum combustion and minimum particulate emission.  The burner is particularly suitable for operation at slagging temperatures so that the slage can be collected and drawn off to further reduce particulate emission.
Patent CA-1082111-A (CA)
Inventor: MURAYAMA TAKAO
IPC: C10K1/30
Filed: 1978-02-14
Granted: 1980-07-22
Abstract: METHOD OF TREATING A STICKY MATERIAL-CONTAINING                EXHAUST GAS                 Abstract of the Disclosure Method of treating a sticky material-containing exhaust gas to remove the sticky material therefrom, by intro-ducing pulverized coal or coke having a particle size of 0.3mm or less into the bottom of a hopper, which is positioned below, and integrally connected with, a bag-house containing bag-filters, to form a protective layer of pulverized coal or coke having a thickness of at least 1mm on the surface of each bag-filter, and then introducing the sticky material-containing exhaust gas into said hopper in a manner such that the gas passes through said protective layer while said protective layer captures and retains the sticky material.
Patent CA-1115963-A (CA)
Inventor: BAUER HANNSGEORG
IPC: C21C7/10
Filed: 1978-03-10
Granted: 1982-01-12
Abstract: A B S T R A C T     A method of producing steel, particularly stainless steel with a high Cr content, having a C content of .03% or less which consists of firstly, lowering the C content of a molten steel bath into the preferred range of about .2% to about .4% by treating the bath with gaseous oxygen under atmospheric pressure, and secondly, subjecting the steel bath to the simultaneous effect of agitation, as by the passage of an inert gas upwardly there through, and a sub-atmospheric pressure until the C content is lowered into the desired low range.
Patent CA-1063328-A (CA)
Inventor: BARRY RICHARD F
IPC: H01R43/20
Filed: 1978-03-22
Granted: 1979-10-02
Abstract: ABSTRACT OF THE DISCLOSURE         A tool is shown into which two rows of aligned contacts may be inserted.  The contacts are connected at one end to a selvedge strip that may be cut to a given length to include predetermined number of contacts.  An insulator housing mounts upon the tool and around the contact to form a preassembled connector.  The housing also functions as a support and guide for the contacts as they are inserted into apertures in a printed circuit board.
Patent CA-1098541-A (CA)
Inventor: HOHNJEC MARIJAN
IPC: C07B31/00
Filed: 1978-04-04
Granted: 1981-03-31
Abstract: ABSTRACT OF THE DISCLOSURE   A process is disclosed for the resolution of racemic .alpha.-aminonitriles of the formula   (T) wherein R1 is hydrogen or methyl, R2 is hydrogen or methoxy and R3 is hydrogen or methyl, wherein the racemic mixture is reacted with (-)dibenzoyl-tartaric acid in a polar solvent to obtain a racemic mixture of diastereoisomeric D and L salts of (-)-dibenzoyl-tartaric acid.  The racemic mixture of salts is macerated with aqueous dioxan to dissolve the D salt.  The L salt is separated, neutralized and the L-amino nitrile extracted and converted into a stable form such as the hydrochloride or acyl derivative.  The D salt is racemized with ammonia and the D,L-aminonitrile recycled.
Patent CA-1098983-A (CA)
Inventor: HARDESTY EDWIN C
IPC: H01R13/33
Filed: 1978-04-25
Granted: 1981-04-07
Abstract: ?ard?sty 25 MODULAR PLUS ?AV??? SUPERIOR DIELECTRIC STRENGTH            FOR TERM???TI?? ???DS    ABSTRACT OF THE DISCLOSURE         A  modular  plug  for  terminating a multi-conductor cord and adapted to be inserted into a jack to establish electrical connections between cord conductors and  contact  wires  in  the  jack  possesses  superior dielectric strength.  The plug includes a plastic housing having  conductor receiving  cells  extending  between  a closed end of the plug and a chamber common to all the conductors with the spacing of the cells differing from that of the jack wires.  Terminal-receiving slots extend between  the  chamber  and  an  exterior  surface  of the housing with the length of each slot being parallel to the associated cell and communicating with an exterior surface of the housing through an opening defined by at least one camming surface.  The openings are spaced the same as the jack wires and the same as terminals being fed by automatic machinery for insertion.  As the termi-nals are  inserted into the openings, they engage the camming surfaces, and are caused to shift laterally as they are seated in the slots 50 that internal contact portions  of  the  terminals  engage  electrically  the conductors in the chamber while exposed edge surfaces are supported for engagement with the jack wires.  Only those portions of the terminals which have been coated with a corrosion-resistant  material  are  exposed  while  sub-stantial lengths of opposed side edge surfaces of the terminals are in an interference fit with walls of the slots to prevent unintended movement.                             -i-
Patent CA-1098562-A (CA)
Title: Swaged joint
Inventor: PAVLYAK GYULA
IPC: B21D39/04
Filed: 1978-05-15
Granted: 1981-03-31
Abstract: ABSTRACT       According to the invention a swaged joint is formed between the end of a first corrugated tubular member and a second tubular member, by engaging an annular jointing member in a groove of the corrugations of the corrugated tubular member adjacent the end thereof, providing an annular abutment around the second tubular member adjacent the end thereof, bringing the ends of the two tubular members together axially so that the jointing member and abutment engage, and either swaging the jointing member over the abutment or swaging a separate sleeve over the jointing member and the abutment to hold them together.  In the case of a helically corrugated tube, the jointing member is preferably screwed onto the tube, by at least one turn, and is preferably held captive on the tube by axially compressing the end portion of the tube once the jointing member has been screwed past it. The jointing member may be a radially projecting sheet metal annulus, such as a split ring, which is connected to he corrugated tubular abutment member on the second tubular member.
Patent CA-1085845-A (CA)
Inventor: MAIN BRIAN G
IPC: C07D295/20
Filed: 1978-05-23
Granted: 1980-09-16
Abstract: ABSTRACT OF THE DISCLOSURE     1-Hydroxyphenoxy-3-ureidoethylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart failure.  The compounds possess cardio-selective .beta.-adrenergic stimulant activity.  Representative of the compounds disclosed is 1-p-hydroxyphenoxy-3-.beta.-(morpholinocarbonamido)ethylamino-2-propanol.
Patent CA-1100553-A (CA)
Inventor: NOERTOFT GUNNAR P
IPC: A01G25/09
Filed: 1978-05-25
Granted: 1981-05-05
Abstract: A B S T R A C T            A field irrigator of the movable type, adapted to move slowly through a long irrigation zone and comprising a rotary water gun mounted on a drive chassis and receiving water through a hose from a supply source at one end of the irrigation zone. The ir-rigator is connected or provided with a control system causing the chassis to move stepwise along the zone and wait at the end of each short step until an irrigation detector, preferably a timer, has registered the attainment of a predetermined irriga-tion in or along the step. A truly constant irrigation along the entire zone is obtained when the steps are of uniform lengths and the irrigation is set to be the same by each step, while a differentiated irrigation along the zone is obtainable when the control system includes a memory unit for storing selective ir-rigation requirements for the various steps or groups of steps.
Patent CA-1104323-A (CA)
Inventor: ROSSI IRVING
IPC: B22D11/04
Filed: 1978-07-06
Granted: 1981-07-07
Abstract: ABSTRACT           In  processes for the continuous casting of steel slabs in which molten steel is poured continuously into the upper and of a mold having a curved mold passage and in which an embryo casting (in curved form) is withdrawn continuously from the lower end of the mold, it is known that as the steel solidifies, accumulations of impurities, such as non-metallics occur in the surface of lesser radius.  It is specifically proposed to prevent the accumulation of such non-metallics at or near the surface of the casting which is of lesser radius, which is a defect of slab casting produced on the standard curved mold continuous casting machines, by maintaining such surface in continuous contact with the opposed curved surface of the mold utilizing the force of gravity or other means to maintain continuous contact between said surface and the mold wall in order to cool said surface continuously and intensively throughout the movement of the embryo casting through said mold.