baber/WOPTO huggingface dataset:
Patent CA-1085335-A (CA)
Inventor: WHITE ANTHONY M
IPC: C10G21/28
Filed: 1976-08-16
Granted: 1980-09-09
Abstract: ABSTRACT OF THE DISCLOSURE The thermal decomposition of N-methyl-2-pyrrolidone is minimized by the addition of minor amounts of water thereto prior to its exposure to temperatures in excess of about 500°F.  This is of particular importance in processes using N-methyl-2-pyrrolidone as an extraction solvent to remove aromatics from mixtures of aromatic and non-aromatic hydrocarbons and wherein the N-methyl-2-pyrrolidone is recovered from the extracted fractions by thermal means such as flash evaporation and distillation.
Patent CA-1059220-A (CA)
Inventor: BURTON RALPH M
IPC: B23K11/00
Filed: 1976-09-20
Granted: 1979-07-24
Abstract: Abstract of the Disclosure Relates to a method of and apparatus for electric welding through insulation coatings, such as paint, on metallic surfaces by directing a vapor jet of paint solvent upon a selected area of a painted metal surface to first soften and then vaporblast the softened paint away from the area to expose a bare spot of the metal surface for welding. Then, before the softened paint reflows back over the bare spot as a result of the discontinuance of the vapor jet, quickly bringing a metal part into welding range of the bare spot and welding the two metal parts together. Following the welding operation, the softened paint coating reflows over the exposed welded juncture and hardens to form a protective film thereover.
Patent CA-1056240-A (CA)
Inventor: DAVIS CHARLES W
IPC: F02M59/44
Filed: 1976-10-13
Granted: 1979-06-12
Abstract: ABSTRACT OF THE DISCLOSURE           A rotary distributor fuel injection pump is provided with a main high pressure pumping chamber and an auxiliary high pressure pumping chamber which have a common inlet and outlet passage.  The pumping plungers in said pumping chambers operate in unison to generate simultaneous high pressure pulsed charges of fuel within the pumping chambers.  Both pumping chambers are connected to deliver their high pressure outputs simultaneously to the output passage for delivery sequentially to each of the cylinders of an associated engine.  A speed responsive valve con-trols the delivery of the output from the auxiliary pumping chamber to the common outlet passage and isolates the auxilliary chamber from the common inlet and outlet passage without impair-ing the connection of the main pumping chamber with the common inlet and outlet passage when engine speed reaches a predeter-mined level.  A valving arrangement is provided to maintain the auxiliary pumping chamber in its isolated condition until the engine is essentially stopped.
Patent CA-1047300-A (CA)
Inventor: DRY HAL
IPC: F24F13/10
Filed: 1976-11-12
Granted: 1979-01-30
Abstract: Abstract of the Disclosure Adjustable diffusers of the type employed for control of flow of air into or out of a space.  The diffusers according to the invention have a louvered face plate and have plural parallel vanes behind the face plate each movable between closed and opened positions.  The diffusers have interchangeable control plates which have J-slots to control the vane positions and by substitution of which the direction of rotations of the vanes may be altered.  The diffusers are of simplified design as compared with present commercially available diffusers.
Patent CA-1086306-A (CA)
Inventor: BLAKESLEE DENNIS
IPC: G01N33/533
Filed: 1976-12-06
Granted: 1980-09-23
Abstract: ABSTRACT         A stable labelled immunofluorescence reagent which comprises a covalent conjugate of dichlorotriazinylaminofluorescein (DTAF) with a suitable protein such as an immunoglobulin.  Preferably the F/P molar ratio is in the range of 3 to 4 ans over and under conjugated reagent can be simply removed by a simple fractionation by ammonium sulfate precipitation.
Patent CA-1075826-A (CA)
Inventor: NISHIZAWA JUN-ICHI
IPC: H03K19/091
Filed: 1976-12-08
Granted: 1980-04-15
Abstract: ABSTRACT OF THE DISCLOSURE         An integrated circuit comprising an inversely operated static induction transistor capable of performing very high speed operation at low power dissipation.  In an integrated injection logic circuit, at least one of the injection and the output transistor is formed of a static induction transistor which has small storage effect of minority carriers in the channel region.
Patent CA-1036996-A (CA)
Inventor: TADA TETSUYA
IPC: B05B11/00
Filed: 1977-01-21
Granted: 1978-08-22
Abstract: ABSTRACT OF THE DISCLOSURE        A depress button type sprayer comprises a piston slidably inserted into a cylinder and provided with a liquid jetting nozzle, a lever for moving the piston into the cylinder against the force of a spring and a depress button for operating the lever.
Patent CA-1082584-A (CA)
Title: Moldable unitary composite carpet structure
Inventor: MORRIS ROBERT W
IPC: B32B27/12
Filed: 1977-03-02
Granted: 1980-07-29
Abstract: Abstract of the Disclosure A flat unitary composite carpet structure which can be hot molded permanently into nonplanar shapes  conforming to contoured surfaces such as automobile floors has an exposed textile surface to the underside of which is adhered a rela-tively thick layer of polyurethane foam which  provides good fiberbonding, tuftbinding and sound deadening qualities to the composite carpet structure, and to the underside of the poly-urethane foam layer is adhered a relatively thin layer of polyethylene which provides good shape retention qualities to the composite carpet structure and provides means for adhesively attaching an underpad to the carpet structure as the latter is hot molded to conform to the desired contoured shape.
Patent CA-1056923-A (CA)
Inventor: PIERPONT RALPH E
IPC: H01G9/00
Filed: 1977-03-11
Granted: 1979-06-19
Abstract: ABSTRACT OF THE DISCLOSURE      The cathode lead structure has a C-shaped thin strip portion formed about the capacitor body and has a solder connection made therebetween.  The C-shaped portion of the cathode lead makes possible the easy registration of lead to body prior to soldering, even when tiny bodies are employed, which is especially affective during large batch manufacturing steps in the mass production of capacitors.
Patent CA-1087303-A (CA)
Title: Conduction overlap control cicuit for switched output  stages
Inventor: HAFERL PETER E
IPC: H04N3/23
Filed: 1977-02-02
Granted: 1980-10-07
Abstract: CONDUCTION OVERLAP CONTROL CIRCUIT FOR SWITCHED OUTPUT STAGES                  Abstract of the Disclosure A negative-feedback arrangement for a switched-mode vertical deflection circuit automatically controls the duration of that overlap portion of the vertical trace interval in which simultaneous conduction of the vertical deflection control switches occurs.
Patent CA-1123006-A (CA)
Inventor: AUSTERMUEHLE-BERTOLA HELENA
IPC: A01N53/00
Filed: 1977-05-03
Granted: 1982-05-04
Abstract: A B S T R A C T      A process for the preparation of cyano-substitute cyclopropane derivatives of general formula:-                (II) (wherein Hal represents a fluorine, chlorine or bromine atom; and R1 and R2 each individually represents an alkyl group of 1 to 4 carbon atoms) which comprises:-(a)     cyclizing and dehydrohalogenating a compound of general formula:-           (III) (wherein X and Y each individually represents a chlorine or bromine atom; and R4 represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms) in the presence of a base; and thermally decarboxylating the resulting cyclized and dehydro-halogenated product to form the compound of general formula II.
Patent CA-1111987-A (CA)
Title: Compositions containing hydrogenated block  copolymers and engineering thermoplastic resins
Inventor: DAVISON SOL
IPC: C08L59/00
Filed: 1977-06-06
Granted: 1981-11-03
Abstract: ABSTRACT OF THE DISCLOSURE       The invention relates to compositions useful as insulat-ors for electrical conductors and soldering wire and a process for preparing the compositions.  An interpenetrating network is obtained by blending a partially hydrogenated block copolymer with an engineering thermoplastic resin having an apparent crystalline melting point of between 120°C and 300°C and a vis-cosity at a temperature Tp of between 150°C and 400°C and a shear rate of 100 sec.-1 of between ? minus 2,000 poise and ? plus 3,000 poise, the viscosity ? being the viscosity of the partially hydrogenated block copolymer at a temperature Tp and a shear rate of 100 sec.-1.
Patent CA-1093131-A (CA)
Inventor: TODD JOHN C
IPC: E21B43/24
Filed: 1977-10-03
Granted: 1981-01-06
Abstract: Abstract of the Disclosure An improved electrode for electrically heating a subterranean formation includes a plurality of electrically conductive rod-like members that extend outwardly from a cen-tral well bore to provide increased area for conducting elec-trical current from a source into said subterranean formation. The improved electrode apparatus is adapted to be lowered into a well bore which has been drilled into the subterranean for-mation and, thereafter, the plurality of rod-like members are driven outwardly from the central well bore. Guide means are provided to direct the rod-like members outwardly into the subterranean formation as a central member is forced downwardly.
Patent CA-1111166-A (CA)
Inventor: WICK ARNOLD
IPC: C09B1/36
Filed: 1977-10-31
Granted: 1981-10-20
Abstract: Process for dyeing polyesters in the melt Abstract of the disclosure Use of anthraquinone derivatives of the formula   wherein X is -NH- or -S-, one Y is -NHCOR, R being an alkyl, aryl or heterocyclic residue, the other Y are hydrogen, Z is halogen, and  n is 0, 1, 2 or 3, whereby Z may be 1 to 3 halogen bound to aryl and/or anthraquinone nucleus and/or the residue R, for dyeing polyesters in the melt.
Patent CA-1152127-A (CA)
Inventor: WILLIAMS LAWRENCE D
IPC: E05C1/02
Filed: 1977-11-10
Granted: 1983-08-16
Abstract: 54,062 ABSTRACT     A lock bar for securing a pair of door panels having lock and hinge edges in a locked position and indicating whether or not the panels are locked, including a pair of elongated hollow holding brackets having a rectangular cross section aligned horizontally and secured to the door panels adjacent the lock edges thereof, and an elongated, hollow, rectangular cross section, cross bolt extending horizontally through the holding brackets.         In modifications of the invention, a single holding bracket is utilized and the cross bolt extends either into a wall adjacent a single swinging door panel for locking the single door panel, or into a floor for locking a sliding door.         In either modification, the cross bolt is of a distinctive color, and hasp means adapted to extend through a holding bracket and the cross bolt is provided for locking the cross bolt in two different positions in which the door panels or panel are in locked and unlocked conditions whereby the condition of the door panels or panel as either locked or unlocked may be determined at a glance.
Patent CA-1111936-A (CA)
Inventor: PARKE HARRY G
IPC: H02P3/26
Filed: 1977-11-21
Granted: 1981-11-03
Abstract: ABSTRACT OF THE DISCLOSURE        Apparatus for preventing overvoltage and overcurrent damage to direct current motors, and wheel lockout in electrically powered vehicles having dynamic and mechanical brake assemblies includes dynamic braking voltage and current sensing circuits, a first network responsive to detected dynamic braking voltages exceeding a predetermined value, a second network responsive to dynamic braking currents exceeding a predetermined level, and a third network responsive to dynamic braking current exceeding a different predetermined level at the same time that excessive mechanical braking occurs and for providing an output when such conditions coexist for more than a predetermined time period, and an interrupting circuit responsive to outputs from the first, second, and third networks for interrupting dynamic braking and substituting therefor mechanical braking.
Patent CA-1097750-A (CA)
Inventor: PRICE ROBERT
IPC: G11B20/10
Filed: 1977-11-29
Granted: 1981-03-17
Abstract: DUAL CHANNEL SIGNAL DETECTOR CIRCUIT     Abstract of the Disclosure A dual channel signal detector circuit comprising an equalizer for responding to a variable peak amplitude input signal, in which the peaks are representative of data, so as to provide a substantially constant peak amplitude output signal having discrete data representative pulses spaced along a base line, which is substantially flat at the zero level in regions intermediate the pulses, for application to separate peak detection and amplitude detection channels.  The peak detection channel produces data pulses each indicative of the relative time occurrence of the peak of a respective data representative pulse while the amplitude detection channel is triggered by signal levels of the data representative pulses exceeding a predetermined threshold to produce gating pulses for gating the data pulses to the circuit output substantially exclusive of any noise that may be present at the input of the circuit.
Patent CA-1126132-A (CA)
Inventor: CLARY HARRY E
IPC: B21K1/76
Filed: 1978-05-09
Granted: 1982-06-22
Abstract: Abstract of the Disclosure:  An improved vehicle steering apparatus includes a lightweight hollow rack gear.  The rack gear has a plurality of hollow teeth which engage a pinion gear in the steering assembly.   In order to provide a variable ratio steering apparatus, the pitch of the teeth of the rack gear varies along the length of the gear.  The rack gear is made by utilizing a pair of dies to form hollow gear teeth in a side wall of the tubular member.  In forming the rack gear, one die is inserted into the tubular member while the other die is placed outside the tubular member with its teeth aligned with recesses between the teeth of the die inside the tubular member.  The two dies are then pressed together.  To form rack gear teeth with different pitches, the dies are provided with teeth of different pitches.
Patent CA-1128642-A (CA)
Title: Determination of a supersonic projectile  trajectory by a convex transducer
Inventor: KNIGHT LINDSAY C
IPC: F41J5/12
Filed: 1978-06-16
Granted: 1982-07-27
Abstract: ABSTRACT OF THE DISCLOSURE         An apparatus for use in n firing range, in which transducers located adjacent the target area detect the airborne shock wave from supersonic projectiles,  The position at which each projectile passes through the target plane is determined from the relative   time of arrival of the associated shock wave at the transducers.  A visual display of the target and the projectile position is provided for the use of range personnel.
Patent CA-1116281-A (CA)
Inventor: WILSON JOHN T
IPC: H02H3/04
Filed: 1978-08-15
Granted: 1982-01-12
Abstract: 47,372 ELECTRICAL APPARATUS INCLUDING INTERLOCKING CIRCUIT FOR SHORT-TIME DELAY AND LONG-TIME DELAY TRIPPING     ABSTRACT OF THE DISCLOSURE         A circuit breaker of the type having short delay and long delay tripping modules.  Separate signals are provided as external outputs from the latter modules.          Furthermore, inputs are provided to the latter modules for disabling the normal operation thereof.  The above-mentioned breaker also includes an instantaneous tripping circuit.  If the amount of overload current is sufficiently high, an instantaneous tripping operation takes place.  If the over-load current is relatively lower than that which would necessitate instantaneous tripping, short delay or long delay tripping will take place.  If the current then con-tinues to increase to a sufficiently high value, the circuit breaker will operate through the instantaneous tripping circuit.  One of the above-mentioned circuit breaker appar-atus can be interconnected with others so that one circuit breaker in an electrical line to be protected will open and provide output signals which will prevent the short delay and long delay of other circuit breakers in the system from operating thus saving some of the protected system from shut-down.
Patent CA-1122719-A (CA)
Inventor: AHMED ADEL A A
IPC: H03K4/72
Filed: 1978-08-24
Granted: 1982-04-27
Abstract: Abstract of the Disclosure A vertical sawtooth generator adaptable for integrated circuit application self-oscillates under control of a latch circuit.  A circuit controls the linearity of the charging capacitor ramp voltage.  High frequency components of the recurrent ramp occurring due to the retrace discharge current are reduced by controlling the discharge currents.          The ramp rate is controlled by  a single resistor external to an integrated circuit.
Patent CA-1123487-A (CA)
Title: Control for mechanically  and electrically connected modular  motor
Inventor: WHITFORD DARRYL R
IPC: H02P5/69
Filed: 1978-09-07
Granted: 1982-05-11
Abstract: ABSTRACT OF THE DISCLOSURE      In this invention, an arrangement of electric motors which are coupled together both mechanically and electrically comprises series pass elements and current sensing devices in the power circuits of the respective motors, each current sensing device having an output voltage which is proportional to its motor current, and which is applied to a respective linear operational amplifier having an output which controls the equivalent resistance of the series pass element (and thereby the magnitude of motor current).  A single reference voltage is applied to all the linear operational amplifiers, so that, for example, if the motors are similar, each will transmit the same torque regardless of any difference in its internal impedance.
Patent CA-1081915-A (CA)
Title: Process for the preparation of a hydrogen reserve and  applications of said process
Inventor: MULLER ALAIN
IPC: C01B6/04
Filed: 1978-10-24
Granted: 1980-07-22
Abstract: ABSTRACT         The preparation of hydrogen reserves by mixing magnesium with at least one other appropriate element, compacting the mixture obtained, and hydrogenating it.          Such additional element includes at least one element selected from the group consisting of group IIIB, including the rare earths, and groups IVB, VIB, VIIB, VIII, and IA of the periodic table.         In particular, the mixture is subjected  o a heat treatment between the compacting and hydrogenation steps.         Such reserves prepared have reversible capacities even at moderate temperatures.
Patent CA-1122257-A (CA)
Inventor: GRAVES JAMES A
IPC: H01K1/18
Filed: 1978-10-30
Granted: 1982-04-20
Abstract: ABSTRACT OF THE DISCLOSURE           Lead wires having a specified stiffness, i.e. stress/strain, characteristic are described for use in an incandescent lamp.
Patent CA-1079182-A (CA)
Inventor: CHAN NELSON
IPC: B64C27/00
Filed: 1978-12-07
Granted: 1980-06-10
Abstract: Abstract The invention disclosed relates to a cable-cutting device for cutting a cable under tension.  The device is intended for use in conjunc-tion with aircraft, particularly helicopters to provide reasonable protec-tion to the rotor mast assembly, from cable strikes. The novel device comprises a pair of co-acting cable-cutting edges arranged at a suitable angle to produce a wedge-like mechanical advantage to at least partially cut a cable so that the cable will fail under moderate tension.
Patent CA-1100836-A (CA)
Inventor: LECKIE WILLIAM H
IPC: F02M57/02
Filed: 1978-12-20
Granted: 1981-05-12
Abstract: FUEL INJECTION TIMING AND CONTROL APPARATUS Abstract of the Disclosure The disclosure relates to a fuel injector for an internal combustion engine and, more particularly, to a fuel injector for a compression-ignition type engine.  The fuel injector precisely meters fuel and accurately times the start and duration of fuel injection in response to a multiplicity of operating parameters totally independent of a mechanical connection to the engine.
Patent CA-1120536-A (CA)
Inventor: TAYLOR ALWYN H
IPC: H01M2/06
Filed: 1979-01-15
Granted: 1982-03-23
Abstract: STABILIZED GLASS-TO-METAL SEALS  IN LITHIUM CELL ENVIRONMENTS                ABSTRACT   Deterioration of a glass-to-metal seal in a lithium cell is prevented by protecting the exposed interior of the glass with a metal oxide or a non-conductive non-reactive polymeric material such as a fluorocarbon or a polyolefin stable in the presence of lithium and other cell components.
Patent CA-1082993-A (CA)
Inventor: LAWSON GEORGE F
IPC: B21D47/00
Filed: 1979-01-19
Granted: 1980-08-05
Abstract: ABSTRACT OF THE DISCLOSURE            Apparatus is disclosed for making a reticulated sheet material from a sheet metal strip which travels through the apparatus at a substantially constant velocity. The appa-ratus includes rotary piercing means which pierces the central portion of the strip to provide slits arranged in a predetermined pattern; and plural rotary reticulating means providing simultaneously increased splay of the slits, and increased displacement of web segments out of the general plane of the central portion to form alternating rows of upwardly and downwardly directed openings.     Plural rotary forming means convert the flat sheet metal strip into a channel-shaped product.  A cutoff device is incorporated at the end of the line to cut the reticulated sheet product to desired lengths.     In a preferred arrangement, the sheet metal strip undergoes a preforming operation which rigidifies the strip prior to piercing, and undergoes a final forming operation after reticulation.  In an alternative arrangement, the strip undergoes a preforming operation after piercing but prior to reticulation, and undergoes a final forming operation following reticulation.  In a further alternative arrangement, the strip undergoes a complete forming operation after piercing and reticulation.
Patent CA-1101897-A (CA)
Inventor: HODGKINSON JOSEPH B
IPC: B65G49/06
Filed: 1979-02-19
Granted: 1981-05-26
Abstract: ABSTRACT     Apparatus for marshalling glass sheets comprises a conveyor capable of conveying an array of sheets lying in a transverse sheet array across the conveyor to a sheet removal station, transverse conveying means extending transversely above the conveyor and transfer means operable to transfer a sheet or sheets from the conveyor to the transverse conveying means at the sheet removal station. The transfer means includes a plurality of selectively and separately operable transfer devices, such as lifting devices, extending in an array across the array of sheet positions, and control means for controlling simultaneous operation of selected transfer devices.
Patent CA-1101867-A (CA)
Inventor: SZCZEPANSKI HENRY
IPC: C07D213/70
Filed: 1979-03-15
Granted: 1981-05-26
Abstract: Abstract of the Disclosure New phenoxy-alkanecarboxylic acid derivatives which have a herbicidal action and which are effective in regulating plant growth are described.  They correspond to the formula   in which A     is the cyano group, a carboxylic acid, a salt, ester thioester or amide thereof, Q     is a mono- to trisubstituted phenyl or pyrid-2-yl radical, R3    is hydrogen, halogen, cyano, nitro, alkyl or carbamoyl, R4    is alkyl, alkoxyalkyl, cycloalkyl, alkenyl, alkynyl, phenyl or benzyl, and X, Y  and Z are each oxygen or sulfur.      They can be used as selective herbicides in cereal and rice crops, or for reducing the vegetative growth, for example in soya-bean crops, and also for defoliation and desiccation in cotton or potato crops shortly before the harvesting thereof.
Patent CA-1102798-A (CA)
Inventor: HASHIMOTO NAOTO
IPC: C07D498/14
Filed: 1979-03-23
Granted: 1981-06-09
Abstract: ABSTRACT OF THE DISCLOSURE        Maytansinoids of the formula:       wherein R is hydrogen or alkyl of 1 to 15 carbon atoms are produced by contacting, in the presence of a carbodi-imide, maytansinol with a carboxylic acid of the formula:                          R-COOH wherein R has the same meaning as defined above.       In accordance with a second aspect of the invention there are provided novel maytansinoids of the formula   wherein R' is hydrogen, n-butyl or alkyl of 5 to 15 carbon atoms.