baber/WOPTO huggingface dataset:
Patent CA-1047141-A (CA)
Inventor: SOODAK CHARLES
IPC: G05B11/28
Filed: 1975-11-27
Granted: 1979-01-23
Abstract: DIGITAL TEMPERATURE CONTROLLER     ABSTRACT OF THE DISCLOSURE     A temperature control assembly for a centrifugal chemical treatment apparatus of the type having a temperature monitoring thermistor and a rotor heater. The heater is energized from a power source through a solid state relay. The thermistor is con-nected in a temperature Wheatstone bridge which delivers a volt-age signal to a digital voltmeter. The digital voltmeter generates a binary output which is compared in  a computer with a digital com-mand signal from a keyboard unit. The binary computer is a programmed function of the difference between the keyboard digital temperature command signal and the voltmeter output. This computer output controls a variable duty cycle multivibrator stage which pro-vides a relay-operating signal whose "on" time is in accordance with the difference between the keyboard command temperature and the dig-ital voltmeter output signal. This operating signal is delivered to the relay via an over-temperature and failure detector receiving signals form the digital voltmeter. The relay is held open if forbid-den signals are received, such as signals of incorrect polarity, over-range signals, signals resulting from a meter defect, signals resulting from a shorted or open thermistor, or the like. The same reference voltage is used for the digital voltmeter and the tempera-ture Wheatstone bridge so that changes in reference voltage do not affect the voltmeter reading. The bridge is designed so that the bridge output in volts is equal to 1/100 of the temperature in degress Centigrade to facilitate display, over the specified design temperature range. The voltmeter is of a type providing forbidden signal outputs, including over-range, wrong polarity, overload, etc.
Patent CA-1060974-A (CA)
Title: Floor treating machines
Inventor: WILKINS JOHN T
IPC: G05D1/02
Filed: 1976-01-09
Granted: 1979-08-21
Abstract: A B S T R A C T        A floor treating machine, particularly for scrubbing or polishing a floor is provided with a recording and replay device for the power supply to the traction motors so that it may be programmed to repeat a pattern of movement automatically.   In order to provide constant and periodic checks on the accuracy of the repetition over long straight runs, these is provided a distance check device for comparing the distance run in operation with the distance run of recording, and means for correcting the path should discrepancies arise.
Patent CA-1056017-A (CA)
Inventor: THOMPSON DAVID L
IPC: A61N1/365
Filed: 1976-01-20
Granted: 1979-06-05
Abstract: Abstract of the Disclosure A cautery protection circuit is disclosed for use with a heart pacemaker or generator circuit and comprises circuit elements for preventing those signals induced within the output portion of the heart pacemaker circuit by an electric field established by cautery procedures, from damaging the generator circuit or turning on the generator circuit at an undesired instant in time, whereby, otherwise, a pacemaker pulse signal may be generated to possibly induce fibrillation within the patient's heart.  The cautery protection circuit of this invention is particularly adapted for use with a bipolar heart pacemaker and in particular includes a toroidal inductor having first and second inductors coupled to each of the output leads and having a high permativity coupling there-between, whereby when cautery signals are induced in the output leads associated with the patient's heart, the coupled inductors operate in a "common mode" configuration to, in effect, "multiply" or increase the inductance presented thereby to the induced signals, thus significantly limiting the current passed therethrough.  The coupled inductors of the toroidal inductor also operate in a "differential mode" wherein a pacemaker pulse as generated by the pacemaker generator circuit is applied thereto in a manner such that the fields induced in the coupling between the first and second inductors is opposing, whereby the inductors provide a low or substantially "0" inductance to the pacemaker pulse and thus, impose substantially no shaping upon the output pulses.
Patent CA-1058962-A (CA)
Inventor: GREGORY HOWARD W
IPC: B41N1/04
Filed: 1976-02-04
Granted: 1979-07-24
Abstract: ABSTRACT OF THE DISCLOSURE     A letter press printing plate is disclosed for wrapping around a drum.  The printing surface is formed with a light-sensitive material layer on a metal backing plate with two different levels, the high level representing areas of solid or dark tones of printing and the low level representing areas of light tones of printing.  The printing plate overcomes the problem of even transfer of ink from the solid or jark tones of printing areas and the light tones of printing areas.  A method of forming the letter press printing plate is also disclosed wherein a photo polymer layer on a backing plate is first ex-posed to a negative representing areas of solid or dark tones and light tones of printing.  The photo polymer layer is then dis-solved away to the backing plate in areas where no printing occurs and formed into a two-level printing surface with the areas of solid or dark tones being at a high level and the areas of light tones being at a low level.
Patent CA-1062959-A (CA)
Title: Spinning projectile equipped with an electromagnetic ignition current generator
Inventor: KARAYANNIS PANAYOTIS
IPC: H02K21/00
Filed: 1976-03-02
Granted: 1979-09-25
Abstract: INVENTOR: PANAYOTIS KARAYANNIS            INVENTION: SPINNING PROJECTILE  EQUIPPED WITH AN ELECTROMAGNETIC            IGNITION CURRENT GENERATOR                  ABSTRACT OF THE DISCLOSURE       A spinning projectile containing an electromagnetic ignition current generator, comprising a fuze housing with an inner generator component fixed at the housing and processing an armature coil and an outer generator component provided with a field magnet.  A beaning arrangement having two bearing bodies is housed in a recess of the fuze housing, one of the bearing bodies being arranged at the fuze housing and the other forming part of the outer generator component.  Both of the bearing bodies are substantially ring-shaped and possess essentially the diameter of the field magnet and form a bearing means for centering the field magnet.   The fuze housing possesses a wall portion which bounds the inside of the recess which is constructed as a circumferentia groove.
Patent CA-1071040-A (CA)
Inventor: ATKIN ROBERT B
IPC: B29C55/00
Filed: 1976-04-09
Granted: 1980-02-05
Abstract: HEAT FUSER ROLL AND METHOD OF MANUFACTURE            Abstract of the Invention A heat fuser roll and the method of manufacture thereof.          The roll comprises a deformable layer on a base member and the deformable layer is produced by coating the base member with a silicone gum material and treating the coated base member by heating in an inert atmosphere to a temperature at which sub-stantial cross-linking occurs for a predetermined time to produce a tough long-wearing silicone rubber deformable layer.
Patent CA-1043641-A (CA)
Inventor: WALLING JORG-HEIN
IPC: B05B5/00
Filed: 1976-04-26
Granted: 1978-12-05
Abstract: ABSTRACT OF THE DISCLOSURE           A method and apparatus for collecting powder exhausted from an electrostatic fluidized bed coater, in which exhaust air passes from the cloud chamber of the coat-er into an inner exhaust chamber and then passes through a porous plate to an outer exhaust chamber, the powder carried by the exhaust air being stopped by the porous plate and thereafter collected from the inner chamber.
Patent CA-1079020-A (CA)
Inventor: VITALE JOSEPH
Filed: 1976-05-12
Granted: 1980-06-10
Abstract: Abstract of the Disclosure An ultrasonic horn cooperates with a cutting wheel and two stitching wheels to simultaneously cut, seal and stitch thermoplastic material.  The cutting and stitching wheels are urged towards the ultrasonic horn by a spring biased pivot arm upon which the wheels are rotatably mounted.  The combination of ultrasonic horn, wheels and pivot arm define a cutting assembly.          The entire cutting assembly is connected to the reciprocating rod of a piston which alternately lowers the cutting assembly into a cutting position wherein the material to be cut is located be-tween the horn tip and the wheels, and raises the cutting assembly into a return position wherein the material to be cut is below and out of contact with the cutting assembly.
Patent CA-1074492-A (CA)
Inventor: DARMS ROLAND
IPC: C08F246/00
Filed: 1976-06-16
Granted: 1980-03-25
Abstract: Crosslinkable Polymers ABSTRACT OF THE DISCLOSURE         New crosslinkable polymers, in particular polymerisa-tion products of 5-maleimidyl-trimellitic acid derivatives and 3,5-bis-(maleimidyl)-phthalic acid derivatives and vinyl monomers and polycondensation products of the said imidyl compounds and diamines, diols or amino-alcohols and option-ally a di-, tri- or tetra-carboxylic acid derivative are described.    These polymers are distinguished by good processability and good solubility in customary organic solvents and are suitable for the manufacture of very diverse industrial products, such as thin and thick films and the like.
Patent CA-1050680-A (CA)
Inventor: MELZER JAROSLAV
IPC: D21F1/82
Filed: 1976-07-19
Granted: 1979-03-13
Abstract: ABSTRACT OF THE DISCLOSURE:  Mixtures of high molecular weigh polyacrylamides in the form of a water-in-oil polymer dispersion and containing in the inner phase from 99.99 to 95% w/w of a cationic polyacrylamide and from 0.01 to 5% w/w of an anionic polyacrylamide or from 99.99 to 95% w/w of an anionic polyacryl-amide and from 0.01 to 5% w/w of a cationic polyacrylamide, all percentages being based on the total amount of polymer.  The said polymer mixtures are particularly effective retention aids and flocculants and are preferably used in the manufacture of paper as pulp additives.
Patent CA-1061633-A (CA)
Inventor: DEYOE CHARLES W
IPC: A23K50/15
Filed: 1976-07-23
Granted: 1979-09-04
Abstract: LIQUID STARCH-UREA RUMINANT FEED AND      METHOD OF PREPARING SAME                 ABSTRACT OF THE DISCLOSURE           A low-cost, highly nutritious starch-NPN liquid feed supplement and method of producing same is provided wherein the supplement exhibits markedly superior protein synthesis and growth-inducing properties as compared with conventional, unpro-cessed NPN-fortified supplements notwithstanding the fact that the supplements hereof generally have lower theoretical nutritive values than such prior feeds.  The preparative method preferably includes the steps of passing an aqueous slurry of a starch-bearing food source and an NPN substance such as ureu through a hydrothermal-type cooker along with direct steam for turbulently heating, disrupting and gelatinizing the starch source in the presence of the NPN substance to thereby yield a reacted product which can be fed to runimants as a low-cost, high-protein food source.  A wide variety of NPN substances can be employed in the supplements hereof, along with a large number of starch sources such as grains or industrial waste such as starch-bearing food And beverage processing waste liquors. In addition, tthe li~uid Rupplements hereo~ can be modified eithsr befor~ or after pro-cessing by adding energy source~ ~uch 8~ mola~se~ therato.
Patent CA-1099390-A (CA)
Inventor: LANDSMAN ROBERT M
IPC: G02B26/12
Filed: 1976-09-20
Granted: 1981-04-14
Abstract: ABSTRACT          A hollow tubular shaft, containing optical elements for use in a helical scanning facsimile transceiver, is supported horizontally by air bearings and translated linearly along its major axis through cylindrical reading and writing stations by means of a pneumatic cylinder and piston coaxial with the shaft.  An integral reaction-powered air motor provides shaft rotation, and laser beams perform the reading and writing operations, both of which may take place within the same apparatus or either one of which may be executed at a location remote from that of the other. The reading station contains an optical encoding pattern enabling continuous control of the position of the radiation beams relative to the indicia being read, and an electronic memory facilitates the temporary storage and manipulation of information to be recorded by the writing station.  A fail-safe system prevents damage to the scanning mechanism in the event of interruption of the pneumatic or electrical supplies. The apparatus finds particular utility in the production of printing plates for use in Graphic Arts reproduction processes.
Patent CA-1078916-A (CA)
Inventor: DRAXLER JAMES R
IPC: H02K21/12
Filed: 1976-11-15
Granted: 1980-06-03
Abstract: Abstract of the Disclosure A two-cycle engine in such as an outboard motor includes an engine shaft and a flywheel mounted on the shaft and having an inner cylindrical hub portion.  A rubber-like magnet strip is adhesively attached about the hub portion with an outer protective shield adhesively bonded to the strip.  The strip includes upper and lower magnetic areas which are oppositely and radially magnetized to establish an axially directed field adjacent the outer periphery of the strip.  A triggering coil unit includes a C-shaped core with the poles of the core radially aligned with the upper and lower areas of the magnet strip such that the field passes therethrough.  The strip is magnetized after assembly by an electromagnetic unit having a semi-circular core with a U-shape cross-section aligned with the strip.  A coil of a single turn or a plurality of turns are wound circumferentially in the semi-circular core to establish a magnetizing field directed from the semi-circular core radially into and through the one area of the strip to the hub, axially through the hub to the opposite area of the strip and returning to the core radially outwardly through the other area of the strip.  The magnetizing field saturates the upper and lower areas of the strip to form oppositely polarized permanent magnets.
Patent CA-1064521-A (CA)
Inventor: NEEDHAM BRIAN J
IPC: C07C45/63
Filed: 1976-11-23
Granted: 1979-10-16
Abstract: ABSTRACT 2,2,6,6-Tetrachlore(or tetrabromo)cyclohexanone is prepared by reacting in the liquid phase chlorine or bromine with a cyclohexanone compound of formula   where Y is hydrogen or chlorine (to produce the tetrachloro compound) or hydrogen or bromine (to produce the tertrabromo compound) is the presence as catalyst of tributyl phoshine or a salt thereof.       A pyprogallol compound of formula                 I wherein R1, R2 and R3 each represent hydrogen or alkyl of 1-6 carbon atoms, or a salt thereof, is prepared by hydrolysing the corresponding 2,2,6,6-tetrachlorocyclohexanone or 2,2,6,6-tetrabromocyclohexanone.
Patent CA-1083286-A (CA)
Title: Non-plate-out moulding compositions of vinyl chloride  polymers
Inventor: KUHNEL WERNER
IPC: C08K5/5425
Filed: 1976-12-21
Granted: 1980-08-05
Abstract: ABSTRACT OF THE DISCLOSURE              A synthetic moulding compound containing additives, especially a compound having a vinyl chloride base resulting from homopolymers of vinyl chloride (PVC) and plastics based predominantly on vinyl chloride, characterized in that in order to prevent the additives from  separating out of the moulding compound  during ex-truding, calendering, or injection-moulding, at least one silane is added which renders necessary an increase in the amount of energy per kilogramme per unit of time required for processing the said moulding compound.
Patent CA-1051275-A (CA)
Inventor: HASEGAWA SYOOGO
IPC: D05B3/06
Filed: 1977-02-09
Granted: 1979-03-27
Abstract: TWO-STEP BUTTONHOLE MECHANISM FOR SEWING MACHINE                 ABSTRACT OF THE DISCLOSURE           A device in a domestic sewing machine for semi-automatic sewing of buttonholes which comprises a bank of cams for controlling lateral needle oscillation, needle position or base line, and work feed.  The cams are manually set in two successive steps, each followed by sewing of one end of the buttonhole and then one side of the buttonhole.  The cams, as well as a ratchet wheel, are fixed to a common shaft to enable the ratchet wheel to rotationally displace the cams and thereby effect a change in the sewing pattern from end stitching to side stitching after formation of a fixed number of end stitches.
Patent CA-1074840-A (CA)
Inventor: ROSEBROCK FREDERICK A
IPC: H01H27/00
Filed: 1977-03-29
Granted: 1980-04-01
Abstract: CAM ACTUATED SWITCH            Abstract of the Disclosure The switch comprises a unitary dielectric support member including a base portion to which the fixed ends of a plurality of pairs of cantilever contact springs are secured.  Guide portions of the support member define a channel, and a plurality of cam follower portions integrally hinged to the base portion respectively extend between the free ends of an associated contact spring of each pair and the channel.  An actuator positioned within the channel includes cam portions for engaging the cam follower portions of the support member and deflecting them so as to displace the associated contact springs.     - i -
Patent CA-1090598-A (CA)
Inventor: TCHERNEV DIMITER I
IPC: F25B17/08
Filed: 1977-04-07
Granted: 1980-12-02
Abstract: ABSTRACT OF THE DISCLOSURE     A system for the effective utilization of low-grade heat sources such as solar energy, with a system including a molecular sieve material such as zeolite and a gaseous fluid adapted to be adsorbed by the material which is in a closed container and circuit which includes a condenser and a gas expansion cooler member.  When the container is heated, a gas is given off from the molecular sieve material, cooled in a condenser, and thereafter expanded for cooling purposes.  In one embodiment, the cooled gas is received in a further container having adsorbent material and subsequently, upon cooling of the first container, the gaseous fluid may be returned thereto via again a condenser and gas expansion cooler member to provide further cooling. In another embodiment, the molecular sieve material is formed by sintering same to form a pressure resistant divider across the container.  One side of the divider is heated to create a temperature gradient across the divider so that it functions as a heat energized pump for the gaseous fluid which is adsorbed, a pressure as well as temperature differential developing within the container across the divider whereupon the heated pressurized gas, after giving up some of its energy in a circuit which may include a condenser and gas expansion member, is returned to the container to be again pressur-ized and heated by the action of the divider composed of the molecular sieve material.
Patent CA-1075317-A (CA)
Inventor: TRETTER STEVEN A
IPC: H04L27/38
Filed: 1977-04-13
Granted: 1980-04-08
Abstract: QAM PHASE JITTER AND FREQUENCY OFFSET CORRECTION SYSTEM       ABSTRACT OF THE DISCLOSURE      A system is provided for correcting phase jitter and frequency offsets in QAM modems.  The system comprises (i) a narrow bandwidth, decision directed, phase-locked loop for tracking the average phase and frequency offsets followed by (ii) a phase jitter corrector located outside of the loop.  The phase error signal for the jitter corrector is produced by passing the phase error signal of the phase-locked loop through a low pass filter designed to pass the expected jitter frequencies.  Inphase and quadrature signals from the loop are delayed to compensate for the delay of the low pass filter, and the delayed signals, to-gether with the filter output, are applied to a phase shifter which provides phase jitter correction using a rotational trans-formation.
Patent CA-1072897-A (CA)
Title: Procede et appareil pour faire le yogourt
Inventor: ST-PIERRE ROLAND
IPC: A47J37/01
Filed: 1977-04-18
Granted: 1980-03-04
Abstract: Dans la préparation du yogourt à la raison. on utilise actuellement des procédés basés sur l'utilisation du chauffage électrique, réalisé dans des appareil spécialement conçus dans ce but, appareils pourvus de contrôles thermostatiques conventionnels. Dans la présente invention, on utilise un procédé et un appareil pour faire du yogourt, spécialement pour l'usage domestique, dont l'incubation est réalisée à une température de 112.degree.F, en contrôlant les fluctuations de ladite température dans un intervalle serré d'environ ? 0.5.degree.F. L'appareil conçu pour réaliser cette incubation comprend un ensemble corps de base-corps intérieur, dans lequel est placé un contenant pour le lait/yogourt. Entre le corps intérieur et ledit contenant, on trouve un liquide, de préférence de l'eau. Un ensemble de chauffage, placé sur le corps intérieur comprend une feuille métallique sur la surface extérieure dudit corps, feuille sur laquelle sont appliqués des moyens chauffants électriques et un limitateur de température, les deux derniers étant recouverts par une autre feuille métallique, Un ensemble de chauffage est relié à des moyens électroniques de régulations qui assurent une température optimale d'incubation du lait. Ces moyens comprennent un détecteur de température et un élément de contrôle, le dernier ayant un temps de réponse très court, qui assure un contrôle très précis de la température, (? 0,5.degree.F). Un couvercle ferme l'ensemble corps de base-corps intérieur.
Patent CA-1093091-A (CA)
Inventor: KIJIMA SHIZUMASA
IPC: A61K31/19
Filed: 1977-05-26
Granted: 1981-01-06
Abstract: Abstract of the Disclosure Novel polyprenyl carboxylic acids of the formula:       (I) wherein R represents hydrogen, alkyl, alkenyl, cycloalkyl or aryl and n is an integer from 6 to 11 are disclosed, together with a process for their preparation.  The compounds (I) are useful as hypotensive agents.
Patent CA-1074779-A (CA)
Inventor: ROWLEY DAVID S
IPC: E21B10/56
Filed: 1977-07-08
Granted: 1980-04-01
Abstract: EARTH-BORING DRILL BITS     Abstract of the Disclosure The invention relates to the design of earth bore-hole drill bits employing shaped preform cutters containing hard abrasive materials such as diamonds.
Patent CA-1083721-A (CA)
Inventor: KARP ROBERT S
IPC: G06K17/00
Filed: 1977-07-18
Granted: 1980-08-12
Abstract: ABSTRACT OF THE DISCLOSURE                   The disclosure relates to a system and method for expanding the capacity of the logic control for an information bearing element retrieval system.      The system disclosed includes means for determining if the absolute numerical difference between a pre-determined digit of a current number identifying the current information bearing element being inspected, and a target number identifying the information bearing element to be inspected, is equal to or greater than a preselected integer.  If the absolute numerical differ-once is equal to or greater than the preselected integer, the normal direction of scanning the information bearing elements is reversed.  In so doing, a logic control and display having a finite n digit capacity may properly handle consecutively numbered information bearing elements having identification numbers of more than n digits.
Patent CA-1062244-A (CA)
Inventor: PESSIER RUDOLF C O
IPC: E21B10/10
Filed: 1977-10-18
Granted: 1979-09-11
Abstract: Abstract of the Disclosure A large hole earth boring bit with a clevis-type coupling for mounting the rolling cutters to the bit.  The mounting apparatus includes a first member having two ends with aligned holes and a second member having its end in-serted between the two ends.  The end of the second member has an aperture that is spaced slightly out of alignment with the apertures in the first member, providing a generally elliptical passage.  Bearing surfaces prevent them from coming into alignment.  A pair of wedges are inserted into the elliptical passage and drawn together to exert a force in the direction toward alignment of the apertures.  The force exerted is transmitted into the base, positively lock-ing the two members together.