baber/WOPTO huggingface dataset:
Patent CA-1063620-A (CA)
Inventor: COLLMER GOTTFIELD
IPC: C07C281/06
Filed: 1975-10-31
Granted: 1979-10-02
Abstract: PROCESS FOR THE PREPARATION OF HYDRAZODICAROXYLIC ACID                    AMIDE     ABSTRACT OF THE DISCLOSURE    Hydrazodicarboxylic acid amide is prepared by reacting urea with hydrazine or hydrazine hydrate in an aqueous medium at temperatures of from 105 to 140°C and pressures of from 1.2 to 3.8 bars.
Patent CA-1082110-A (CA)
Title: Dispositifs hydrauliques d'assistance motrice des vehicules articules ou semi-remorques
Inventor: MOREAU MARIUS
IPC: B60K17/10
Filed: 1975-12-11
Granted: 1980-07-22
Abstract: Dispositif d'assistance motrice des véhicules articulés ou semi-remorques qui consiste essentiellement à équiper les essieux porteurs libres du véhicule d'un ou plusieurs moteurs hydraliques auxiliaires et autonomes, susceptibles de rendre moteurs lesdits essieux.  Pour accoupler ou désaccoupler les moteurs hydraliques des roues des essieux assistés, on équipe chaque moteur hydraulique d'un embrayage de type hydraulique, électromagnétique, pneumatique ou méchanique.  Cet embrayage fonctionne automatiquement en fonction de la vitesse du véhicule.
Patent CA-1046173-A (CA)
Inventor: CHANDLER JOHN L
IPC: C02F1/52
Filed: 1976-01-23
Granted: 1979-01-09
Abstract: A B S T R A C T           A process for settling suspended particles in a liquid medium comprises supplying a stream of liquor for clarification to a settlement vessel, taking off an overflow of substantially clear liquor from the top of the settlement vessel, periodically or continuously removing settled particles in the form of a flowable mud from the bottom of the settlement vessel, supplying flocculating agent for admixture with the liquor entering said settlement vessel and controlling the relative proportions of flocculating agent and supplied liquor in such manner as to maintain a substantial layer of cloudy liquor lying between said flowable mud and a supernatant clear liquor layer in said settlement vessel.  The upper boundary of the cloudy liquor layer is continuously monitored by a probe device which draws liquor from within the cloudy layer and forwards it to an instrument which compares its turbidity with a known value.  The level of the probe is automatically raised or lowered to cancel out an y departure from the know value.  The supply of flocculating agent may be automatically controlled in response to change of position of the probe.
Patent CA-1045363-A (CA)
Inventor: JENSEN WAYNE E
IPC: B29D30/00
Filed: 1976-03-30
Granted: 1979-01-02
Abstract: TIRE RASP BLADES WITH RENEWABLE    CUTTING AND BUFFING EDGES            Abstract of the Disclosure:            Blades for tire rasps are disclosed in which the outer edge of their teeth have cutting edges inclined at a positive rake angle and cooperating buffing edges inclined at a negative rake angle,  the teeth having other similarly inclined cutting and buffing edges at levels inwardly of the original outer tooth edge to which the teeth may be sharpened as the original cutting and buffing edges become worn.
Patent CA-1063690-A (CA)
Inventor: FLEISCHHACKER JAMES E
IPC: H01R4/24
Filed: 1976-04-22
Granted: 1979-10-02
Abstract: ABSTRACT        A pair of terminals having wire-receiving slots are mounted in back-to-back relation in an insulating housing having slots aligned with the terminal slots.          The housing slots have resilient constrictions preferably defined by fingers retaining wires in the slots.  The connector preferably has a base of reduced width and is moulded onto a carrier strip for automatic feed in wire connecting apparatus.
Patent CA-1093247-A (CA)
Inventor: BEADLE HOWARD C
IPC: C08K5/46
Filed: 1976-07-30
Granted: 1981-01-06
Abstract: Abstract of the Disclosure Vulcanisable compositions comprising neoprene, metal oxides and a binary accelerator system comprising 3,5-dialkyl 2H-1,3,5-thiadiazine-2-thione and a zinc salt of certain dithiocarbemates and method for curing same.
Patent CA-1071638-A (CA)
Inventor: HARBRIDGE JOHN B
IPC: C07D503/00
Filed: 1976-08-20
Granted: 1980-02-12
Abstract: ABSTRACT OF THE DISCLOSURE    A process is disclosed for the preparation of a substantially pure solid sodium or potassium salt of clavulanic acid which comprises the hydrolysis of an ester of clavulanic acid in an aqueous medium containing a sodium or potassium base and thereafter isolating the sodium or potassium salt in the form of a substantially pure solid.
Patent CA-1064171-A (CA)
Inventor: WALLACE JAMES E
IPC: C07C67/00
Filed: 1976-08-25
Granted: 1979-10-09
Abstract: TREATMENT OF AQUEOUS WASTE               Abstract of the Disclosure In the process of producing phenol from cumene, aqueous waste streams result which are contaminated with organic materials, particularly phenol, which are made innocuous to the environment only with substantial diffi-culty.  A process is described to reduce the biological oxygen demand of these aqueous wastes, particularly the phenol content, by a liquid extraction step whereby a highly aromatic fraction of an organic waste stream in the phenol process is used as the solvent.  The process includes pro-vision for simultaneous preparation and recovery of the solvent as well as recovery of the phenol.     I.
Patent CA-1056071-A (CA)
Inventor: MUELLER JUERGEN
IPC: H01J7/06
Filed: 1976-09-08
Granted: 1979-06-05
Abstract: ABSTRACT     An ionography imaging chamber for use in X-ray systems wherein dielectric receptor sheets are introduced into an inter-electrode gap of the imaging chamber and the gap is filled with compressed high Z gas during imaging of an object onto a sheet in the chamber so that the sheet is provided with a latent image of the object.  The chamber has a gate defining an arcuate channel for introduction of receptor sheets into and evacuation of sheets from the interelectrode gap.  In order to prevent escape of high Z gas into the atmosphere and/or penetration of air into the gap, the gate has one or more orifices for admission of a compressed buffer gas (for example, CO2 gas) which is readily separable from the high Z gas whereby the buffer gas flows toward and away from the gap and mixes with high Z gas which tends to escape from the gap by way of the channel.  The gate is further formed with one or more second orifices which evacuate the mixture of buffer gas and high Z gas from the channel between the first orifice or orifices and the gap.  The gap is sealed from the inlet of the channel by one or more inflatable seals before the pressure of high Z gas in the gap is raised preparatory to exposure of a receptor sheet to X-rays.
Patent CA-1094263-A (CA)
Inventor: ATACK DOUGLAS
IPC: D21C3/06
Filed: 1976-09-10
Granted: 1981-01-27
Abstract: - ABSTRACT -An ultra high yield chemimechanical pulping process is provided in which softwood chips are cooked, in a liquid phase or a vapour phase, with acid sulphite having a low pH.   The treated chips are subsequently refined in an atmospheric and/or thermomechanical refining system yielding pulps of high strength and brightness.
Patent CA-1044068-A (CA)
Inventor: HIRAOKA HIROYUKI
IPC: C08F8/00
Filed: 1976-09-21
Granted: 1978-12-12
Abstract: NITRATED POLYMERS AS POSITIVE RESISTS          Abstract of the Disclosure Positive resists are made using polymers and copolymers of methacrylic acid, methacrylic anhydride, methyl methacrylate, methacrylimide, and N-alkyl-methacrylimides which have been nitrated in up to about 10% of the monomer units on the methyl groups branching off the polymer chain.  Inclusion of the nitro groups results in an increase of over an order of magnitude in the speed of development of images when the polymers are used as positive resists.
Patent CA-1063838-A (CA)
Inventor: SADOWSKI EDWARD P
IPC: C22C19/05
Filed: 1976-09-27
Granted: 1979-10-09
Abstract: Abstract of the Disclosure A nickel-chromium-titanium filler alloy for inert has shielded-arc welding of 50% Cr, 50% Ni type alloys.  The wrought alloy is characterized by a single phase austenitic microstructure and contains, by weight, form about 42% to about 46% chromium, from about 0.1% to about 1.8% titanium, from about 0.01% to about 0.1% carbon, and up to about 0.1% magnesium with the balance, apart from incidental elements, essentially nickel.  The alloy provides sound welds having a two phase microstructure that afford elevated temperature strength and corrosion resistance equal to that afforded by base metals of the 50% Cr, 50% Ni type.
Patent CA-1102419-A (CA)
Inventor: HOSAKA AKIO
IPC: H03F1/30
Filed: 1976-12-24
Granted: 1981-06-02
Abstract: Abstract of the Disclosure Operational amplifier circuitry is provided which comprises an operational amplifier having a first input port and a second input port, and a compensating circuit for making a voltage difference between the first and the second input ports of the operational amplifier substantially equal to the offset voltage of the ampli-fier, compensating the bias currents of the operational amplifier.  The compensating circuit may include a series of a first resistor and a second resistor con-nected between the first and the second input ports of the amplifier.  The node connecting the first and the second resistors is coupled to a predetermined voltage, the resistances of the first and the second resistors being selected so that a voltage difference between the first and the second input ports of the amplifier is substantially equal to the offset voltage of the operational amplifier.  A resistor may be connected between the first and the second input ports of the amplifier instead of the series of the first and the second resistors.                             - I -
Patent CA-1082828-A (CA)
Inventor: SERETNY STANLEY E
IPC: H04M1/02
Filed: 1977-02-22
Granted: 1980-07-29
Abstract: TELEPHONE SET            Abstract of the Disclosure A telephone set includes a unified internal chassis having individual cup portions for accommodating a transmitter and receiver.  Each of these transducers is captured within its associated cup portion by a retaining member that is disposed about the perimeter of the transducer and the perimeter of the cup portion.          A dial, which is mechanically and electrically separate from telephone network circuitry contained on a printed circuit, is secured to the chassis by fasteners, and the securing of the dial to the chassis serves to electrically connect the dial to the proper conductive paths of the speech network circuitry.  The printed circuit and the components soldered thereto are only supported on the chassis by means of fastening devices and therefore the printed circuit is also readily disassembled from the chassis.
Patent CA-1059477-A (CA)
Inventor: FOX AUSTIN L
IPC: B65D5/18
Filed: 1977-04-12
Granted: 1979-07-31
Abstract: Abstract of the Disclosure:         A hinged lid packet has an integral inner frame comprising a recessed panel extending upwardly from the front wall of the body of the packet, and a pair of side flaps extending backwards from the sides of the recessed panel. A cut-away part is formed at the top of each side flap to provide access for securing each outer flap of the lid of the packet to the respective inner flap.  Each inner flap may be of a shape corresponding to the cut-away part, so that with the lid closed the inner flap and the respective side flap are substantially contiguous.
Patent CA-1068723-A (CA)
Inventor: CORNILS BOY
IPC: C07C253/00
Filed: 1977-04-28
Granted: 1979-12-25
Abstract: ABSTRACT OF THE DISCLOSURE A continuous process for the manufacture of .alpha.-cyano-ethylated aliphatic aldehydes by continuously passing acrylonitrile and aldehyde thro-ugh a tubular reaction zone and therein contacting the same with an alkali hydroxide at a temperature between 20 and 120°C, the contact of the acrylo-nitrile and aldehyde with the alkali hydroxide being for a brief period of time and thereafter immediately separating the reaction product from the alkali hydroxide.  Unreacted acrylonitrile and aldehyde can be recycled to the tubular reactor and additional alkali hydroxide can be added to make up for any losses.
Patent CA-1086710-A (CA)
Inventor: BIRD ALFRED J
IPC: B01J23/56
Filed: 1977-05-17
Granted: 1980-09-30
Abstract: ABSTRACT OF THE DISCLOSURE   A process is provided for the preparation of supported palladium catalyst.  A compound of palladium is vacuum deposited onto a solid porous, particulate support.  During the deposition, the support is maintained at a temperature above the decomposition temperature of the palladium com-pound.  In this way a palladium catalyst is provided which does not suffer the deficiency of low specific activity per unit area of deposited palladium.  The catalysts are useful in catalytic hydrogenation of edible oils so as to improve their qualities while not impairing the nutritional value or edibility of the oil.  They have considerable advantages as regards lower rate of cis-trans isomerization, double bond migration and unwanted saturation of double bonds.
Patent CA-1097153-A (CA)
Inventor: MAWSON ALAN
IPC: B29C69/00
Filed: 1977-09-29
Granted: 1981-03-10
Abstract: ABSTRACT OF THE DISCLOSURE          A floor or wall covering is disclosed which comprises a foamed polymeric layer including raised areas separated by recessed areas and a protective layer over the upper surface of the covering and comprising a first non-foamed layer and a second non-foamed layer and in which the second non-foamed layer is discontinuous and leaves part at least of the first non-foamed layer uncovered and has a gloss different from that of the first non-foamed layer or at least one of the first and second non-foamed layers is discontinuous and provides the protective layer with a difference in thickness that imparts a pattern in relief to the said covering.
Patent CA-1068107-A (CA)
Inventor: DIGATE JAMES S
IPC: A43B17/10
Filed: 1977-11-18
Granted: 1979-12-18
Abstract: ABSTRACT OF THE DISCLOSURE              An odour and moisture absorbing insole or insock for covering the inner sole of footwear has a bottom open cell latex foam layer with a smooth bottom skin for engaging the bottom inner sole of footwear, an intermediate non-cellular latex layer with discrete activated charcoal particles dispersed throughout and locked in this layer, a porous slippery abrasion resisting top fabric layer protecting the foot or sock of the wearer against discolouration or irritation, and spaced perforations extending through the three layers to enhance the circulation of air toward and away fro- the foot of the wearer into intimate contact with the charcoal in the intermediate layer as the open cell bottom foam layer is alternately compressed and expanded upon application and release of foot pressure on the insole as when walking.  The open cell bottom layer and the top fabric layer are free from charcoal, and discolouration of the footwear, foot or sock is eliminated by bonding the charcoal particles in the intermediate layer.  The intermediate latex layer containing the activated charcoal is deposited in viscous slurry form on top of the non-slippery face of the fabric, doctored to a controlled thickness, a viscous foam forming latex mix is deposited on top of the doctored slurry and in turn is doctored to a controlled thickness providing a smooth top surface, and the three layer assembly is heated to set and form the top layer, and to set the intermediate layer in bonded relation with the fabric layer and the foam layer The thus formed three-layer laminated sheet is punched to form a myriad of holes therethrough and is trimmed to insole shape   The process may be continuous with the fabric being unwound from a roll, advanced under latex feeders and under the adjacent doctors and then fed continuously through a drying oven to emerge as a laminated sheet which is easily rolled and transported to perforation forming punches and insole shaping cutters.
Patent CA-1103016-A (CA)
Inventor: HARJAR MARTIN J
IPC: B05B5/025
Filed: 1977-11-22
Granted: 1981-06-16
Abstract: ABSTRACT OF THE DISCLOSURE          An electrostatic spray coating gun for applying coating materials which have high to moderately high electrical conductivity is disclosed.  The gun has an improved high voltage electrical system, improved hydraulic seals, and is adaptable to apply porcelain enamel coatings in slurry form.  The gun has a flexible and resilient electrode in the form of an elongated coil spring.  This form of electrode substantially eliminates the likelihood of scratching or puncturing the skin of an operator or repairman, and allows the electrode to re-turn to its proper orientation after being bumped, while exhibiting proper paint charging characteristics for use in electrostatic spray coating.  The electrode is positioned forward of a flat-fan spray nozzle and is displaced from the axis of the spray by means of an extension assembly which can be angularly displaced about the axis of the spray.  The gun further incorporates improved packingless bellows sealing between an opening into the coating conduit in the barrel of the gun ant a control rod for a needle valve in the conduit.
Patent CA-1097676-A (CA)
Inventor: REITEL CHRISTIAN
IPC: C07C271/42
Filed: 1977-12-16
Granted: 1981-03-17
Abstract: ABSTRACT OF THE DISCLOSURE: Process for the manufacture of N-alkylcarbamates having a maximum of 4 carbon atoms in the alkyl.   The process is based on the reaction of aromatic and aliphatic hydroxyl compounds having a melting joint of less than 120°C in the liquid state with an N-alkylcarbamyl chloride. The reaction is carried out in the absence of a solvent and a hydrogen chloride acceptor.
Patent CA-1100014-A (CA)
Title: Safety valve
Inventor: BRAUKMANN BERNHARD W
IPC: F16K17/08
Filed: 1977-12-23
Granted: 1981-04-28
Abstract: ABSTRACT A safety valve has a housing with an inlet, outlet and a threaded opening carrying a walled unit which is sealingly removable from the housing;  the portion of the unit extending into the housing is apertured to permit flow and has a valve seat and co-operating plate to which is attached a valve stem extending through an annular diaphragm in secured relationship.  The diaphragm is supported by the housing  and in the portion of the unit exterior of the housing is a pressure regulating device which acts on the diaphragm.
Patent CA-1074741-A (CA)
Inventor: BIBEAU JEAN-MARIE
IPC: B60P1/64
Filed: 1978-01-19
Granted: 1980-04-01
Abstract: A B S T R A C T     A container carrier truck adapted to load and unload a container thereon and to conventionally dump a load and characterized by hydraulic cylinders arranged relative one to the other and to a pivoted loading-unloading frame, each to be positioned in its optimum action position when the demand thereon is optimum.          This truck includes a guideway for longitudinal displacement of the pivoted frame, a carriage also longitudinally displaceable along the guideway, a pair of hydraulic cylinders on the effectively opposite sides respectively of the pivotal frame, an abutment, and a catch device to hold the pivotal frame and carriage in a predetermined loading-unloading position along the guideway, one hydraulic cylinder exclusively producing pivoting of the pivoted frame, and the other producing pivoting and longitudinal displacement of the frame.
Patent CA-1080412-A (CA)
Title: Bridge reinforcements
Inventor: FITZGERALD-SMITH JAMES P
IPC: E01D15/133
Filed: 1978-02-22
Granted: 1980-07-01
Abstract: ABSTRACT OF THE DISCLOSURE This invention provides an improved reinforcement for a bridge span, the reinforcement including a reinforcing member for attachment in an underslung position to the span, a reinforcing strut adapted at its first end for pivotal connection to a point intermediate the ends of the reinforcing member and jacking means for urging the reinforcing strut into its working position in which the reinforcing member is under tension.  The improvement resides in that the jacking means is adapted to be mounted upon the bridge span and, in use, experts a forcetransverse to the longitudinal axis of the strut to urge it into said working position in which the strut is, at its point of connection to the member, inclined at acute angles to the member.
Patent CA-1087166-A (CA)
Inventor: STOCKMAN RICHARD F
IPC: F28D19/04
Filed: 1978-04-11
Granted: 1980-10-07
Abstract: ABSTRACT OF THE DISCLOSURE            A rotor construction for a rotary regenerative heat exchanger in which sector-shaped compartments are formed between imperforate diaphragms that extend radially outward from a central rotor post.          The diaphragms serve to form the sector-shaped compartments that are packed with heat absorbent plates, while they simultaneously serve as imperforate barriers which preclude fluid flow laterally between compartments as the rotor is being moved alternately between a heating fluid and a fluid to be heated.  In order to simplify construction of the rotor and to improve the operating efficiency thereof, the heat absorbent element plates are arranged in a radial pattern whereby they serve as radial sealing members while they simultaneously serve as heat absorbent element.
Patent CA-1100448-A (CA)
Inventor: RITTER ORVILLE A
IPC: B02C13/286
Filed: 1978-04-24
Granted: 1981-05-05
Abstract: Abstract of the Disclosure A system for loading, transporting and feeding hay com-prising an automotive vehicle including rearwardly extending bed, contoured bale-retaining fences located at opposite sides of said bed, a rearwardly extending bed extension pivotally connected to the rear end of said bed for pivotal movement about a horizontal axis, a bale moving conveyor extending from the front of said bed to the rear end of said bed extension, a lateral bale pick-up cradle assembly pivotally mounted on one side of said bed adjacent the forward end thereof and pivotable about a horizontal axis, a bale cutting and disinte-grating assembly mounted adjacent the forward end of said bed for receiving hay moved on said bed by said bale moving conveyor and of said contoured fences over said bed for pushing bales into said bale cutting and disintegrating assembly.
Patent CA-1097334-A (CA)
Inventor: FURUKAWA MASAHIRO
IPC: F28D7/16
Filed: 1978-05-25
Granted: 1981-03-10
Abstract: MULTITUBULAR HEAT EXCHANGER USED IN A POWER PLANT          ABSTRACT OF THE DISCLOSURE          A multitubular heat exchanger for use in a power plant is provided with a bundle of U-shaped heat transfer tubes and a vent tube.  The vent tube is located between an upper portion and a lower portion of the heat transfer tubes.  A steam flow guide plate is located above one or more holes of the vent tube and below the upper portion of the heat transfer tubes.  This steam flow guide plate obstructs downward steam flow from the upper portion of the bundle toward the vent tube, while causing an upward flow towards such tube, and thus facilitates collection of the gas.
Patent CA-1092208-A (CA)
Title: Process for shipping and replacing flexible line into  service
Inventor: BRANDT THOMAS F
IPC: H01B9/06
Filed: 1978-06-13
Granted: 1980-12-23
Abstract: PROCESS FOR SHIPPING AND REPLACING FLEXIBLE                LINE INTO SERVICE            ABSTRACT OF THE DISCLOSURE          An elongated flexible gas-insulated transmission line cable is fitted with pressure-tight termination assem-blies at its opposite ends before it is placed on a reel for shipment. The cable is then filled with dry gas, such as nitrogen, at a relatively low positive pressure and the cable is then reeled and shipped.  The cable terminal ends are adapted for easy connection to other circuit components without requiring access to the interior of the cable and the terminals permit the purging of the nitrogen gas and the installation of sulfur hexafluoride or some other electro-negative gas before the cable is placed into operation.