Patents Represented by Law Firm Armstrong, Nikaido & Wegner
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Patent number: 3994840Abstract: Expandable styrene polymer particle compositions containing an expanding agent which is volatilizable and does not dissolve or may slightly swell the styrene polymer particles and a small amount of sulfur containing compound having the general formula: ##EQU1## wherein, R.sub.1 and R.sub.2 are the same or different lower alkyl, aralkyl or aryl groups, R.sub.1 and R.sub.2 may be joined together to form an alkylene group, andR.sub.3 is a metal ion, ammonium or organic amine each of which form soluble salts in an organic solvent, or a group ##EQU2## wherein n is an integer of from 0 to 5 and R.sub.1 and R.sub.2 are the same as the above.Type: GrantFiled: January 23, 1976Date of Patent: November 30, 1976Assignee: Sekisui Kaseihin Kogyo Kabushiki KaishaInventors: Mutsuhiko Kajimura, Tomohiko Ishida, Yoshinori Ikeda
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Patent number: 3994841Abstract: Expandable styrene polymer particle compositions containing (1) an expanding agent, which is volatilizable and does not dissolve or may slightly swell the styrene polymer particles, and having a boiling point lower than the softening point of the styrene polymer particles, and (2) a small amount of sulfur containing compound having the following general formula: ##EQU1## wherein R.sub.1 and R.sub.2 are the same or different higher alkyl groups having 12 - 18 carbon atoms and R.sub.3 and R.sub.4 are the same or different lower alkylene groups having 1 - 4 carbon atoms.Type: GrantFiled: April 21, 1976Date of Patent: November 30, 1976Assignee: Sekisui Kaseihin Kogyo Kabushiki KaishaInventors: Toshiki Ikeda, Mutsuhiko Kajimura, Yoshitsugu Beppu
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Patent number: 3993834Abstract: There is provided a filament of improved light transmission having a sheath-core composite structure formed of a methyl methacrylate polymer core material and a fluorine-containing polymer sheath material. The light transmitting filament is characterized in that the methyl methacrylate polymer core material is prepared by the specific procedure of continuous bulk polymerization and subsequent removal of volatile contents, wherein the polymerization is performed in a continuously and thoroughly stirred reaction vessel at a low catalyst concentration and a relatively high temperature and with improved conversion. The light transmitting filament possesses an absorption coefficient (k) of no greater than 6 .times. 10.sup.-.sup.3 cm.sup.-.sup.1.Type: GrantFiled: November 22, 1974Date of Patent: November 23, 1976Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Kazuya Chimura, Takashi Kaneko, Shunichi Takashima, Ryuichi Nakazono, Masao Kawashima, Hiroyuki Ota, Kenji Tamura, Kazunori Kagawa, Kazushi Shimada, Toru Maeda, Hisao Anzai, Kenji Takoi, Kenichi Sakunaga
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Patent number: 3993052Abstract: A massage treatment device including; an electric motor and reduction gear being mounted in a casing of the body proper of the device; a gear casing disposed adjacent to the casing of the body proper; a first gear-mounting member directly coupled to an output shaft of the reduction gear, which projects within the gear casing from the casing of the body proper; a first gear fixedly mounted on the first gear-mounting member; three gear-mounting members journaled in respective bearings provided in the gear casing in parallel relation to the first gear-mounting member; other three gears fixedly mounted on the three gear-mounting members, respectively, the first gear and the other three gears being arranged in a circle in meshing relation to adjacent gears, thereby constituting a circular gear arrangement; four swivel bearings attached to the outer wall of the gear casing in the positions located on the extension lines of the center axes of respective gears; eccentric, engaging holes provided eccentrically in theType: GrantFiled: November 5, 1975Date of Patent: November 23, 1976Inventor: Kazuo Miyahara
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Patent number: 3993620Abstract: A powdered facing agent for use in forming a shell mold, which is composed of a powdered refractory, such as silica, alumina, zircon, silex, magnesia, etc., a novolak type phenol resin, a resol type phenol resin and/or vinyl acetate resin.Type: GrantFiled: May 28, 1974Date of Patent: November 23, 1976Assignee: Kabushiki Kaisha Komatsu SeisakushoInventors: Akio Yamanishi, Tetsuya Imazato
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Patent number: 3993721Abstract: An improved process for preparing foamed articles of thermoplastic resin having a hard, mar-resistant surface that is flat and smooth and resembles natural wood, and an extrusion die therefor. In the process a softened thermoplastic is extruded through apertures of the extrusion die of the invention which is a fiered die having a resin discharge plate having a peripheral recessing portion and a protruding interior portion which are formed on the resin discharge plate by one or more step-ups. Each of the peripheral and interior portions of the resin discharge plate is provided with a plurality of apertures, the aperture density of the peripheral portion being greater than that of the interior portion. A longitudinally extending cooling frame is mounted adjacent the resin discharge plate and extends in the direction of extrusion to at least the forward face of the interior portion of the plate.Type: GrantFiled: March 10, 1975Date of Patent: November 23, 1976Assignee: Sekisui Kaseihin Kogyo Kabushiki KaishaInventors: Shigenari Soda, Motoshige Hayashi, Shigetoshi Tanaka
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Patent number: 3993169Abstract: A locking device adapted to lock a driven member automatically against the force which applies thereon comprising a locking plate which has an arbitrary length and locking flanks on both sides thereof; a locking member which has contact members with which locking flanks of the locking plate contact and pins; a drive plate which has contact sides, formed at about right angles to the longitudinal axis of the locking plate, with which the pins are in contact and a drive member thereon; and an operating plate which has a first sliding flank approximately paralleled to the longitudinal axis of the locking plate, along which one of pins of the locking member slides and a second sliding flank inclined to the first sliding flank along which another pin of the locking member slides. The contact members are generally pressed against the locking flanks of the locking plate by a suitable resilient.Type: GrantFiled: November 20, 1975Date of Patent: November 23, 1976Assignee: Nippon Cable System Inc.Inventor: Masanao Baba
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Patent number: 3992664Abstract: The present invention discloses a method of constructing a non-reactive high frequency constant resistance unit to be used for measuring parameters of quartz crystal units described in U.S. Pat. No. 3,832,631 and U.S. Pat. No. 3,872,385. First, a non-reactive frequency of a crystal unit A is determined, a radio-frequency current is supplied to the series circuit A+ B composed of said crystal unit A and a circuit B which is adjustable to non-reactiveness, and the circuit B is adjusted so that the phase of the terminal voltage across said series circuit A+B coincides with the phase of the terminal voltage across the circuit B. Next, said crystal unit A is replaced by an element A, whose construction is similar to the said circuit B, and is adjustable to non-reactiveness, and the element A is adjusted so that the phase of the terminal voltage across said series circuit A+B coincides with the phase of the terminal voltage across the circuit B.Type: GrantFiled: December 8, 1975Date of Patent: November 16, 1976Assignee: Kokusai Denshin Denwa Kabushiki KaishaInventors: Issac Koga, Isao Okamoto, Shigeo Kobayashi
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Patent number: 3991865Abstract: A device for gradually increasing hydraulic pressure in a hydraulic fluid supply control circuit for respective hydraulically operated cylinder-piston assemblies of clutches provided in a transmission, which has an inlet connected to a source of hydraulic pressure, an outlet connected to each of the cylinder-piston assemblies, a passage for communicating said inlet with said outlet, a quick return valve provided in said package and having a large diameter land portion and a plurality of small diameter land portions, means for gradually increasing hydraulic pressure including a cylindrical valve and a pressure regulating valve, wherein said pressure regulating valve is shut off from the main hydraulic circuit until the cylinder chamber of said clutch brake cylinder-piston assembly is filled with hydraulic fluid, whereby peak pressure is not produced immediately before the hydraulic pressure is started so as to permit the hydraulic pressure to be gradually increased.Type: GrantFiled: January 2, 1976Date of Patent: November 16, 1976Assignee: Kabushiki Kaisha Komatsu SeisakushoInventor: Mitsuaki Komatsu
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Patent number: 3992421Abstract: Blue anthraquinone dyestuffs are prepared from the reaction of 6-chloro-1,4,5-trihydroxyanthraquinone with an appropriate aniline reactant. The resultant blue dyestuffs are 6-anilino-1,4,5-trihydroxyanthraquinones which produce excellent blue dyeings on polyester fabrics, particularly polyethylene terephthalate.Type: GrantFiled: April 30, 1975Date of Patent: November 16, 1976Assignee: American Color & Chemical CorporationInventor: Raouf Botros
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Patent number: 3990527Abstract: A steering apparatus for a vehicle of the type having a revolving upper body with respect to a lower body thereof in which a directional control valve is provided in a hydraulic circuit to maintain the same steering control when upper body of the vehicle is rotated to 180.degree.. The apparatus comprising a pair of valves for steering, a pair of steering pedal connected to said pair of valves, a directional control valve connected to said pair of valves through hydraulic conduits for right and left steering, a cam provided at around revolving center of the lower body of the vehicle, a switch connected to the directional control valve and, a rocking lever provided on the upper body of the vehicle.Type: GrantFiled: December 12, 1975Date of Patent: November 9, 1976Assignee: Kabushiki Kaisha Komatsu SeisakushoInventors: Takayasu Inui, Ryozo Aoyama
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Patent number: 3990990Abstract: A method for preventing adhesion of rubber or rubber-like material to adjacent surfaces comprises treating a surface of rubber or rubber-like material with an aqueous solution of at least one water soluble aromatic compound having at least one --SO.sub.2 -- group. A surface active agent may be included coexistently in the aqueous solution.Type: GrantFiled: May 2, 1975Date of Patent: November 9, 1976Assignees: Dai-Ichi Kogyo Seiyaku Co., Ltd., Bridgestone Tire Company LimitedInventors: Tatsuo Kojima, Akinobu Ichihara, Isao Togashi, Mikio Koga
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Patent number: 3990352Abstract: A control valve is provided which is designed to be set in place on a hydraulic circuit of a two-drum type hydraulic-actuated winch for controlling the actuation of the hook and the boom of a crane, and to be employed for actuating a hoisting-up clutch, a hoisting-down clutch, and a brake.A control valve is designed with a spool and a sliding lever arranged in place in the main body of the valve in such a manner as to be free to slide therein, with the said sliding lever connected with a control lever for the hook and the boom, wherein the operating capability of the said control lever is so set in place as to be on a higher level than the hydraulic operating capability to be fed to hydraulic equipment.Type: GrantFiled: October 7, 1975Date of Patent: November 9, 1976Assignee: Kabushiki Kaisha Komatsu SeisakushoInventors: Kazumori Nishida, Akihiro Toyomura, Masami Hashimoto
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Patent number: 3989327Abstract: A locker device designed to accommodate various types of cycle-type vehicles, whether motorized or not, and designed to accommodate all shapes and sizes of such cycles including safety equipment and related paraphernalia and including a locker in the form of a hollow container with sides, ends, top, bottom and openings with a means attached thereto for securing the cycle to the locker and a means for securing the locker to the surface upon which it is located, and particularly the employment of angular portions around the periphery of the door and opening to the locker to render the same substantially entry-proof when ordinary pry tools are employed.Type: GrantFiled: December 30, 1974Date of Patent: November 2, 1976Inventor: Arthur R. Candelaria
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Patent number: 3989481Abstract: A continuous catalytic gasification of heavy hydrocarbon oils with recirculated fluidized catalyst bed. More particularly, it relates to such a process for the gasification in which solid fluidized catalyst having an average particle size of 0.05 to 2mm is recirculated through reaction and regeneration columns in a dense fluidized state, and wherein a heavy hydrocarbon feed stock is contacted with the fluidized catalyst and thermally decomposed and gasified at a temperature of 650.degree. to 1,000.degree. C.Type: GrantFiled: April 24, 1974Date of Patent: November 2, 1976Inventors: Daizo Kunii, Taiseki Kunugi
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Patent number: 3988937Abstract: Device for producing and adjusting the feeding stroke of a transfer feeder for use in a transfer press which has a carrier for mounting thereon a pair of parallelly spaced transfer bars extending in the longitudinal direction of a working table of the press. The carrier is reciprocally moved along a pair of guide rods extending parallel to the transfer bars by the action of a transmitting mechanism connected to a drive source of the press.Type: GrantFiled: December 10, 1975Date of Patent: November 2, 1976Assignee: Kabushiki Kaisha Komatsu SeisakushoInventor: Makoto Higuchi
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Patent number: 3989305Abstract: A brake drum arrangement for use in a braking system wherein a wheel brake is disposed outside a tire, comprises a brake drum having inner end face thereof fixedly secured to the outer end face of a wheel hub, the outer peripheral surface of the brake drum being flush with that of the wheel hub, an annular rim stopper adapted to be mounted on the outer peripheral surface of the brake drum, and a plurality of wheel clamps adapted to be fixedly secured to the outer side face of the brake drum for retaining the rim stopper. The arrangement further comprises a plurality of spacers, each being disposed between the brake drum and each wheel clamp.Type: GrantFiled: December 13, 1974Date of Patent: November 2, 1976Assignee: Kabushiki Kaisha Komatsu SeisakushoInventors: Haruhiko Umeda, Katsuyoshi Mori, Hiroyuki Sasaki, Seiichi Hishinuma
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Patent number: 3989301Abstract: A device for adjusting the rotating angle of a vessel of a dump truck which includes a detent having a guide recess, which is pivotally connected to the vehicle body said detent being connected to a spool of a control valve operated by an operating lever. An arm is pivotally connected to the vehicle body and has a cam follower journaled therein, and another arm is secured to the rod of a cylinder and has a bolt which is secured to said another arm and is adjustable in height. Thus, the shock is absorbed when the vessel is travelling upwards and is stopped.Type: GrantFiled: March 10, 1975Date of Patent: November 2, 1976Assignee: Kabushiki Kaisha Komatsu SeisakushoInventors: Haruhiko Umeda, Hiroshi Ito, Tadatoshi Mizuno, Yoshiaki Harita
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Patent number: 3989451Abstract: Polyester is dyed through thermofixation in fast shades with azo dyestuffs of the formula ##SPC1##WhereinR.sub.1 is hydrogen, chlorine, bromine, lower alkyl, or lower alkoxy;R.sub.2 is hydrogen, chlorine, bromine, lower alkyl, lower alkoxy, R.sub.7 CONH-- or R.sub.7 SO.sub.2 NH--;R.sub.3 is hydrogen, lower alkyl, hydroxy(lower alkyl), lower alkoxy(lower alkyl), cyano(lower alkyl), chloro(lower alkyl), bromo(lower alkyl) or ##EQU1## R.sub.4 is hydrogen, lower alkyl, hydroxy(lower alkyl), lower alkoxy(lower alkyl), cyano(lower alkyl), chloro(lower alkyl), bromo(lower alkyl), benzyl, chlorobenzyl, bromobenzyl, nitrobenzyl or ##EQU2## one of R.sub.5 and R.sub.6 is hydrogen or methyl; AND THE OTHER R.sub.5 and R.sub.6 is hydrogen;Each R.sub.Type: GrantFiled: February 15, 1974Date of Patent: November 2, 1976Assignee: American Color & Chemical CorporationInventors: Edgar Earl Renfrew, Dominic Andrew Zanella
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Patent number: 3988191Abstract: A method and apparatus for forming a thermoplastic resin vessel including a bottom plate and at least two side plates is provided. The bottom plate or portion is applied to the surface of an inner mold by advancing a bottom mold carrying the bottom plate. The side plates or portions are formed along a concave surface of side molds and is then positioned around the inner mold to completely surround the inner mold to form a tube which holds the bottom plate therein. The outer mold is then removed and the vessel formed by the tube and bottom plate is then removed from the inner mold.Type: GrantFiled: October 30, 1973Date of Patent: October 26, 1976Assignee: Sekisui Kaseihin Kogyo Kabushiki KaishaInventor: Takashi Matsui