baber/WOPTO huggingface dataset:
Patent CA-1123042-A (CA)
Inventor: SHAFFER JOHN W
IPC: G03B15/04
Filed: 1977-09-19
Granted: 1982-05-04
Abstract: RADIATION SWITCH FOR PHOTOFLASH UNIT       ABSTRACT OF THE DISCLOSURE A photoflash unit having a plurality of high voltage type flashlamps mounted in a planar array on a printed circuit board containing circuitry for sequentially igniting the flash lamps in response to successive high voltage firing pulses applied thereto.  The circuitry includes a plurality of solid state switches capable of being easily activated by radiant energy generated during flashing of the lamps.  Initially, the switches have a high resistance, and after being activated by radiation, they undergo chemical conversion to a conductive state.  The switches are prepared from compositions particularly resistant to high relative humidity and above normal ambient temperatures,  The switch material composition comprises silver carbonate, a binder such as polystyrene resin, and an oxidizer such as barium chromate.
Patent CA-1110730-A (CA)
Title: Apparatus and method for indicating condition of a rotating body
Inventor: SNYDER DANIEL S
IPC: B60C23/04
Filed: 1977-09-22
Granted: 1981-10-13
Abstract: APPARATUS AND METHOD FOR INDICATING    CONDITION OF A ROTATING BODY                   (Abstract of the Disclosure) Apparatus and method particularly adapted for detecting over and/or under inflated conditions in a wheel structure of the type comprised of a pneumatic tire mounted on a wheel rim.  A generator unit is mounted to the wheel generally coaxial of the axis of wheel rotation and is constructed such that the generator rotor is operably journal-led within the generator stator in a manner facilitating rotation of the rotor independently of the remainder of the generator unit and wheel itself.  One side of the rotor is weighted so that as the wheel and generator unit are rotated, the rotor disposition remains generally stationary due to the influence of gravity forces on the weighted area.  The relative rotation thus achieved between stator and rotor causes a voltage to be induced in the stator field winding which is utilized to energize a small radio transmittor mounted on the wheel with the generator unit.  Pressure sensing means communicating with the tire controls ener-gization of the transmitter in response to a predetermined tire pressure condition.  The transmitted radio signal is then received by a receiving unit spaced remote from the wheel to cause energization of convenient indicating means located in the vehicle to show that the predetermined air pressure condition has been detected.
Patent CA-1118655-A (CA)
Inventor: GEZARI WALTER A
IPC: A61M1/00
Filed: 1977-10-25
Granted: 1982-02-23
Abstract: A thermodilution injector is presented in which a pneumati-cally powered piston operates the plunger of a syringe to deliver a measured amount of injectate in an accurately predetermined time period.
Patent CA-1089574-A (CA)
Inventor: CREDELLE THOMAS L
IPC: H04N9/18
Filed: 1977-11-02
Granted: 1980-11-11
Abstract: Abstract Each beam of a multi-electron beam display device is controlled to achieve uniformity of the displayed image.       A collector senses the electron current of each beam.  The level of the electron current of each beam is stored in a memory.  When a particular beam is to be modulated, the memory is addressed so that the electron current level information for that beam is read out.  The stored information and the incoming image element brightness information are combined to modulate the particular electron beam.
Patent CA-1091834-A (CA)
Inventor: FERRIEU GILBERT M M
IPC: H04M19/00
Filed: 1977-12-01
Granted: 1980-12-16
Abstract: ABSTRACT:           An electric network for use in a subscriber's loop, comprising at least two connecting terminals for supplying thereto a current flowing in the subscriber's loop, the network comprising the series arrangement of a capacitive element and a switching device and a threshold device coupled to the connecting terminals and the switch-ing device for either coupling or not coupling, depending on the polarity and the value of the current,  the capac-itive element to the terminals of the network.  This results in a network in which the capacitor value can be chosen optimum for voice and ringing currents but eliminated from the circuit during dialing so that the dialing pulses are not distorted thereby due to cha?ging currants as was the case with the prior art networks.
Patent CA-1116790-A (CA)
Inventor: GOSWAMI JAGADISH C
IPC: C08F30/00
Filed: 1977-12-19
Granted: 1982-01-19
Abstract: ABSTRACT OF THE DISCLOSURE       An internally plasticized copolymer of from about 50% to about 85%, by weight, vinyl chloride, from about 3% to about 47%, by weight, of a C6-C10 alkyl acrylate, and from about 3% to about 47%, by weight, of a bis(hydrocarbyl)vinylphosphonate is disclosed.  This copolymer can be formed by using convention-al suspension, emulsion, solution or hulk polymerization pro-cedures and can by utilized without any substantial amount of added external plasticizer in those applications in which ex-ternally plasticized vinyl chloride polymers are normally used. The use of such a resin overcomes the plasticizer migration prob-lems associated with externally plasticized polyvinyl chloride systems.     * * * * *
Patent CA-1103499-A (CA)
Title: Polymeric optical element having antireflecting surface
Inventor: MAFFITT KENT N
IPC: G02B3/08
Filed: 1978-02-08
Granted: 1981-06-23
Abstract: ABSTRACT         An optical element of polymeric material is provided with a microstructured surface, thereby rendering the surface substantially non-reflecting while maintaining a high degree or transmissivity.  The element is formed via replication from ?stamper prepared from a glass original having a similar microstructured surface which is formed by etching a cleaned surface or the glass in vapors of hydrofluoric acid followed by sputter etching with inert gas ions.
Patent CA-1096910-A (CA)
Inventor: GLASSMEYER JOHN J
IPC: F16C33/66
Filed: 1978-04-03
Granted: 1981-03-03
Abstract: Abstract of the Disclosure A tube extends from an internal annular oil reservoir in a wheel hub housing to an outer bearing sup-porting the hub housing to feed oil from the reservoir to the outer bearing when the wheel rotates.
Patent CA-1047815-A (CA)
Inventor: LEE CHARLES A
IPC: D21F1/48
Filed: 1978-05-01
Granted: 1979-02-06
Abstract: ABSTRACT OF THE DISCLOSURE          A drainage device for use in papermaking and which supports a moving fabric, including a suction chamber and having a slot adjacent the fabric and having closed ends, wherein the device comprises an elongated flexible composite including a plurality of ceramic segments, each segment having at least two opposite surfaces that are flat and parallel.  The segments are aligned in stacked relationship with their flat faces in abutting face-to-face relation and forced toward each other in the direction of their composite length with a force which is sufficient to maintain the segments in compression when subjected to conditions of thermal change and/or flexing of the member during use.  The ceramic member is provided with a smooth elongated working surface which defines an area of contact with the fabric.  A method for making the ceramic member is disclosed.
Patent CA-1079924-A (CA)
Inventor: WITT GORDON
IPC: A01M31/00
Filed: 1978-06-12
Granted: 1980-06-24
Abstract: "GOOSE AND DUCK BLIND"                   ABSTRACT OF THE DISCLOSURE              A hunting blind which resembles a stook of straw bales,houses and camouflages a hunter.              The pyramid-like structure is built of box-like elements which are disengagably connected to form three tiers. Some of the walls of the box-like elements have been partially or totally cut away to form sufficient space within the structure for the hunter.              The tiers are hingably connected to each other such that the box-like elements can be swung outwardly to allow the hunter an unobstructed hunting position.        Storage and transportation is simplified by forming box-like elements of such dimensions that they may be nested to form a single, compact unit.
Patent CA-1111219-A (CA)
Inventor: NASH JAMES L
Filed: 1978-06-29
Granted: 1981-10-27
Abstract: ABSTRACT OF THE DISCLOSURE           In a biaxial blown tube synthetic resin film making apparatus, the extruder die, mandrel, rehat ovens and hot air ring are caused to rotate and oscillate about a stalk moving coaxially therethrough to provide a flatter, more uniform film.
Patent CA-1112898-A (CA)
Inventor: POPOFF MICHEL
IPC: B01L3/00
Filed: 1978-07-05
Granted: 1981-11-24
Abstract: IN THE CANADIAN PATENT OFFICE                  PATENT APPLICATION entitled "DEVICE AND METHOD FOR MULTIPLE ANALYSES" in the names of INSTITUTE  PASTEUR                    ABSTRACT OF THE DISCLOSURE        The invention relates to a device and a method for carrying out simultaneously multiple analyses in a liquid medium.  The device comprises a compartment for introducing liquid, communicating through a distribution channel with separate analysis compartments.  Each analysis compartment is provided with valve-forming means, such as a ball, isolating the liquid contained in the analysis compartment from the liquid remaining in the distribution channel.  The device is particularly suitable for micro-biological analyses.
Patent CA-1141642-A (CA)
Inventor: BALTES KARL-HEINZ
IPC: B32B27/08
Filed: 1978-07-27
Granted: 1983-02-22
Abstract: ABSTRACT OF THE DISCLOSURE      A laminated composite material is disclosed which comprises a high molecular weight polyethylene with a viscosimetrically determined molecular weight above 500,000 and a phenolic resin.  Also disclosed in a method of securing high molecular weight polyethylene to a phenolic resin composition by employing an ethylene copolymer thermoplastic bond-ing agent.  The material possesses improved firmness, hardness and heat resistance and is useful in a variety of industrial fields, particularly where a combination of strength and heat resistance with impact and shock absorbing qualities is required.  The material is particularly useful for the construction of apparatuses such as, by way of example only, weaving loom parts and brake linings in the motor industry.  The material is also useful in railway track construction.
Patent CA-1065830-A (CA)
Inventor: BAKE EARL A
IPC: F16K5/00
Filed: 1978-08-21
Granted: 1979-11-06
Abstract: Abstract of the Disclosure An improved plug valve of the type which includes a valve body having a bore extending therethrough and a pair of passages intersecting the bore and being substantially normal to an axis of the bore is disclosed.          A valve plug is disposed within the bore for selective rotation between an opened and a closed position to respectively align and misalign a port through the plug with the passages.  First circumferential sealing means is disposed between the plug and the bore above the port and the passages.  A second circumferential means is located between the plug and the bore below the port and the passages to prevent fluid from escaping from an interior of the plug valve and to balance fluid pressure acting on the plug. The improvement according to the invention resides in a bottom insert snuggly fitted within said bore below said plug to enclose a base of said plug within said body.  The bottom insert includes means for limiting said fluid pressure acting on said base of said plug if said second sealing means should fail by allowing escape of said fluid to the exterior of said body from said bore below said plug.
Patent CA-1110130-A (CA)
Title: Moteur a combustion interne incline a simple arbre a cames en tete
Inventor: CASTAREDE ARMAND
IPC: F02F1/24
Filed: 1978-09-26
Granted: 1981-10-06
Abstract: Moteur à combustion interne incliné à simple arbre à cames en tête. Moteur à combustion interne incliné à simple arbre à cames en tête, avec des conduits d'admission et d'échappement débouchant sur le même côté de la culasse. L'axe 24 de la soupape d'admission 4 et l'axe de la soupape d'échappement de chaque cylindre 2 divergent depuis l'axe de l'arbre 3 came 3 en direction du cylindre 2 tout en restant contenus dans des plans parallèles perpendiculaires l'axe de l'arbre à cames 3. L'arbre 3 cames 3 est décalé vers le haut par rapport au plan passant par les axes 1 des cylindres 2. Référence : figure 1
Patent CA-1106506-A (CA)
Inventor: BYRNE MICHAEL
IPC: G08B17/10
Filed: 1978-10-27
Granted: 1981-08-04
Abstract: AN IONIZATION SMOKE DETECTOR HAVING IMPROVED STABILITY AND SENSITIVITY     ABSTRACT  OF THE DISCLOSURE          An ionization smoke detector is disclosed wherein an electric field is established in an ionization chamber for reducing detector instability caused by air currents acting on the detector.  An improved structure for enhancing detector sensitivity by establishing a unipolar region in the chamber is described.
Patent CA-1119549-A (CA)
Inventor: MILLER COLLIER M
IPC: B41J32/00
Filed: 1979-01-24
Granted: 1982-03-09
Abstract: U.S. 873,714 ABSTRACT OF THE DISCLOSURE   A ribbon cartridge in a movable print point printer remains stationary while the ribbon moves to and from the print point along a path of fixed length.  The path length is established by a first flexible leader which extends from the cartridge to the print point and a second flexible leader which extends from the print point back  to the cartridge.  The cartridge includes a supply reel for storing ribbon before the ribbon advances to the movable print point and a take-up reel for storing ribbon after it returns from the movable print point. A metering drive is associated with the supply reel to meter out the ribbon and take-up drive is associated with the take-up reel so as to control the tension on the ribbon and thereby control the friction through the flexible leaders.
Patent CA-1121890-A (CA)
Title: Equipement d'alimentation et de recuperation de  courant continu pour materiel de traction electrique
Inventor: HENRY XAVIER W
IPC: B60L7/16
Filed: 1979-02-20
Granted: 1982-04-13
Abstract: L'invention est relative à un équipement d'alimentation en courant continu pour matériel de traction électrique auquel est adjoint un équipement de récupération de manière économique. L'équipement d'alimentation comporte un transformateur adaptateur couplé, au primaire, au réseau alternatif haute tension et au secondaire à un redresseur alimentant le matériel de traction. Un onduleur est connecté aux bornes du matériel de traction, en série avec des éléments résistifs et inductifs et retourne l'énergie de récupération au secondaire du transformateur par l'intermédiaire d'un autotransformateur monté en élévateur de tension. Application à la traction ferroviaire.
Patent CA-1110398-A (CA)
Inventor: HALPERN YUVAL
IPC: C09D5/18
Filed: 1979-03-06
Granted: 1981-10-06
Abstract: INTUMESCENT FLAME RETARDANT POLYOLEFIN COMPOSITIONS            Abstract:           Polyolefin compositions comprising a polyolefin and a flame retarding amount of the pentate salt of an amino-s-triazine are intumescent and self-extinguishing and non-dripping.
Patent CA-1123634-A (CA)
Title: Device for producing a working model for making  dental prostheses
Inventor: BROWNE LAURENCE S
IPC: A61C9/00
Filed: 1979-04-06
Granted: 1982-05-18
Abstract: ABSTRACT      The invention relates to a device for the construction of a dental working model for the production of denture work, consisting of a one-piece base for the model and a hollow space which corresponds to the shape of the jaw and widens in an upward direction, having ribs on its inner surfaces which form retention marks on the plaster model, the base in direction of the hollow space being completely open at the top and bottom, the cross-section of the ribs being wedge-shaped, and rising ramp-like from the upper edge to the lower edge of the hollow space.
Patent CA-1128741-A (CA)
Title: Acrylamide-ammonium acrylate emulsion copolymer  for oil recovery
Inventor: FRANK SIMON
IPC: C09K8/588
Filed: 1979-05-10
Granted: 1982-08-03
Abstract: 27,238 Title:  STABLE EMULSION COPOLYMERS OF ACRYLAMIDE AND AMMONIUM                 ACRYLATE FOR USE IN ENHANCED OIL RECOVERY     ABSTRACT OF THE DISCLOSURE                There is provided a process for recovering oil from oil bearing formations employing the use of a water treating medium.  This medium comprises the inclusion of a stable emul-sion copolymer of acrylamide and ammonium acrylate.
Patent CA-1144676-A (CA)
Inventor: MARTIN BILLY P
IPC: C08K5/548
Filed: 1979-06-15
Granted: 1983-04-12
Abstract: FLEXIBLE ENDLESS BELT TRACK  Abstract of the Disclosure A flexible endless belt track for a track-driven vehicle said belt track having an outer ground-contacting surface to provide traction and an opposite inner surface which is adapted for moving contact with rigid elements of the vehicle drive means and the belt track supporting means, said inner surface including at least one surface portion of elastomeric material com-prised of at least one vulcanized rubbery composition, said rubbery composition comprised of (A) from about 10 to about 35 parts of at least one polybutadiene polymer having a total 1,4 content of from about 80% to 100%, a cis 1,4 content of at least 10% and a combined cis 1,4 plus 1,2 content of at least 30% and (B) from about 65 to about 95 parts of two different rubbery polymer, said rubbery composition containing by weight per 100 parts of (A) plus (B), 10 to 35 parts of molybdenum disulfide and 3 to 7 parts of a mercaptosilicone or a mercaptosilane, said surface portion being adapted to come into direct moving contact with said rigid elements.
Patent CA-1131137-A (CA)
Title: Portable air filter assembly with pulse jet  self-cleaning filters
Inventor: BRENHOLT DAVID L
IPC: B01D45/18
Filed: 1979-08-07
Granted: 1982-09-07
Abstract: PORTABLE AIR FILTER WITH PULSE JET SELF-CLEANING FILTERS                  ABSTRACT OF THE DISCLOSURE        A self-cleaning air cleaner having a housing with a first partition dividing the interior of the housing into a first generally vertically elongated chamber and a second generally horizontally elongated chamber.  The partition lies in an oblique plane at an angle with respect to the elongation axes of the first and second chambers and has an opening which provides fluid communication between the first and second chambers.  A fan or blower is provided within the housing for drawing air through the housing from a dust-laden air inlet to a clean air outlet. A filter is mounted within the housing and disposed to filter the air passing through the opening in the partition.  A reverse pulse air valve is disposed within the housing to direct a pulse of cleaning air into the filter to dislodge the dust collected thereon. An electrical control circuit is provided for actuating the reverse pulse air valve which is connected to a suitable source of compressed air.  The air flow path through the cleaner is such that removal of dust from the filter as the reverse air pulse is introduced therein facilitated and the dust is conveniently collected in a dust collection hopper.  The air cleaner is compact and has a low center of gravity and is therefore easily transportable from one industrial work location to another.
Patent CA-1143117-A (CA)
Inventor: NILSSON LENNART
IPC: B29C48/32
Filed: 1979-08-13
Granted: 1983-03-22
Abstract: ABSTRACT        The manufacture of material webs of foamed plas-tics generally takes place by extrusion of the material in tubular form, whereupon the material whilst it is still in soft condition is calibrated, that is to say expanded by means of a mandrel, so that the desired tube diameter and thus the desired material thickness is obtained. The material tube is then cooled and cut up axially and laid flat to a web. This manufacturing procedure gives a final product with uneven surface, since the pores and craters which the material surface presents will be enlarged when the tube is expanded. Moreover, the cooling as well as the contact pressure of the material against the mandrel will be varying, which further increases the unevenness of the surface and gives the material an uneven quality. A more uniform material surface and a more homogeneous material tube is obtained in accordance with the invention, in that the material tube after extrusion is pressed, by means of compressed air introduced into the tube, against an outer calibration element and is cooled at the same time, so that its temperature drops below the softening temperature of the material. In this way the cooling as well as the contact pressure can be controlled, and by imparting more-over a profiled surface to the outer calibrating element, a rational manufacture of a material web of foamed thermo-plastics of good quality and uniform surface is made poss-ible.
Patent CA-1148267-A (CA)
Title: Boitier plat pour dispositifs a circuits integres
Inventor: UGON MICHEL
IPC: H01L23/538
Filed: 1979-10-17
Granted: 1983-06-14
Abstract: L'invention se rapporte à un boîtier plat pour au moins un dispositif à circuits intégrés pourvu de plots de sortie, du type comprenant un élément de support dudit dispositif, une pluralité de bornes de sortie extérieures au boîtier, un réseau de conducteurs reliant lesdites bornes de sortie auxdits plots de sortie du dispositif, et des éléments de renforcement, caractérisé en ce que: ledit élément de support est une plaquette et lesdites bornes de sortie du boîtier sont des plages de contact disposées sur cette plaquette, au moins les conducteurs dudit réseau qui sont rattachés auxdites plages de contact reposent sur ladite plaquette de support; et ledit moyen de protection comprend un enrobage électriquement isolant, enrobant partiellement la plaquette de support et laissant dégagées au moins lesdites plages de contact.
Patent CA-1129759-A (CA)
Inventor: WUNSCH ADOLF
IPC: B21F1/00
Filed: 1979-11-30
Granted: 1982-08-17
Abstract: ABSTRACT OF THE DISCLOSURE            In an automatic punching and bending machine the interspace between the bending device and the punching device is adjustable in order to make the interspace as small as possible and to adjust that interspace in dependence on the length of the working piece of a band material, thereby gaining the advantages that series of different work pieces of high precision can be produced in the same machine. The bending device is re-movable and can easily be replaced by another one which has been reset in a preceding working process. Therefore stillstand periods of the machine are reduced.
Patent CA-1143240-A (CA)
Title: Abrasive-containing liquid detergent  composition
Inventor: MITCHELL SHARON J
IPC: C11D3/14
Filed: 1980-01-07
Granted: 1983-03-22
Abstract: ABRASIVE-CONTAINING LIQUID DETERGENT COMPOSITION           Abstract Liquid detergent compositions containing a high-sudsing surfactant, a detergency builder and an abrasive are disclosed.  The compositions provide easier and faster cleaning of food soils from kitchenware in hand dishwashing operations.
Patent CA-1142312-A (CA)
Inventor: WEGERHOFF ARNO
IPC: C03B37/03
Filed: 1980-01-11
Granted: 1983-03-08
Abstract: ABSTRACT OF THE DISCLOSURE        Silicic acid fibres are produced from sodium silicate fibers in a dry spinning method, the sodium silicate fibres are free of non-alkali metal compounds and have a mole Na2O : SiO2 ratio of 1 :3 to 1:9; the silicic acid fibres have properties which make them useful in friction-lining materials, for example linings.