Patents by Inventor Takahiro Tochioka
Takahiro Tochioka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8220576Abstract: A front end structure for an automobile includes a resin-made shroud panel supporting a heat exchanger. The front end structure further includes: a panel support part supporting the shroud panel against car body members; and a rearward movement allowing part allowing the heat exchanger to move rearward of the automobile relative to the panel support part when an impact load works on the shroud panel from the front of the automobile.Type: GrantFiled: September 10, 2008Date of Patent: July 17, 2012Assignee: Mazda Motor CorporationInventors: Sakayu Terada, Nobuyuki Nakayama, Takahiro Tochioka
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Patent number: 7699248Abstract: A method for recycling comprises a pulverization step (S1) of pulverizing thermoplastic resin molded articles, each having a different softening point in a resin substrate and having a metal part and a coupling film, a metal-material selection-removal step (S3) of selecting and removing a metal material from pulverized pieces, a pulverized resin-material selection step (S5) of selecting a target pulverized resin material for recycling by allowing the pulverized pieces from which the pulverized metal material has been removed to drop and by ejecting gas towards either one of the target pulverized resin material and a non-target pulverized resin material for changing a drop direction thereof, and a coating-film peeling step (S7) of peeling the coating film from the resin substrate by applying a shearing force to the target pulverized resin material under the softening point of the resin substrate of the target pulverized resin material for recycling.Type: GrantFiled: January 14, 2008Date of Patent: April 20, 2010Assignee: Mazda Motor CorporationInventors: Kenji Moriwaki, Takahiro Tochioka
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Publication number: 20090085373Abstract: A front end structure for an automobile includes a resin-made shroud panel supporting a heat exchanger. The front end structure further includes: a panel support part supporting the shroud panel against car body members; and a rearward movement allowing part allowing the heat exchanger to move rearward of the automobile relative to the panel support part when an impact load works on the shroud panel from the front of the automobile.Type: ApplicationFiled: September 10, 2008Publication date: April 2, 2009Applicant: MAZDA MOTOR CORPORATIONInventors: Sakayu Terada, Nobuyuki Nakayama, Takahiro Tochioka
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Publication number: 20080197219Abstract: A method for recycling comprises a pulverization step (S1) of pulverizing thermoplastic resin molded articles, each having a different softening point in a resin substrate and having a metal part and a coupling film, a metal-material selection-removal step (S3) of selecting and removing a metal material from pulverized pieces, a pulverized resin-material selection step (S5) of selecting a target pulverized resin material for recycling by allowing the pulverized pieces from which the pulverized metal material has been removed to drop and by ejecting gas towards either one of the target pulverized resin material and a non-target pulverized resin material for changing a drop direction thereof, and a coating-film peeling step (S7) of peeling the coating film from the resin substrate by applying a shearing force to the target pulverized resin material under the softening point of the resin substrate of the target pulverized resin material for recycling.Type: ApplicationFiled: January 14, 2008Publication date: August 21, 2008Applicant: Mazda Motor CorporationInventors: Kenji MORIWAKI, Takahiro TOCHIOKA
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Patent number: 7270863Abstract: A resin-made interior member for an opening and closing body of the invention is a resin-made interior member to be attached to an inside of an outer panel of the opening and closing body and is formed by an injection molding method using a molding material of polypropylene type resin containing a reinforcing fiber and rubber and by properly setting the respective contents of the reinforcing fiber and the rubber component, the modulus of bend elasticity is improved by blending the reinforcing fiber without being accompanied with deterioration of the moldability as the material resin and the appearance of the molded product to improve rigidity of the interior member and impact resistance is assured by blending the rubber component to give the interior member with good moldability and appearance in form of the molded product and having a required rigidity and impact resistance.Type: GrantFiled: April 28, 2003Date of Patent: September 18, 2007Assignee: DaikyoNishikawa CorporationInventors: Issei Harima, Yoshiaki Saito, Takahiro Tochioka
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Publication number: 20070187859Abstract: A foaming molten resin containing reinforcement fibers and super critical fluid is injected into a cavity with a short shot (a), the foaming molten resin is made self-foam and flow in the cavity (b), and a volume of the cavity is increased by expanding molds so as to expand the foaming molten resin in the cavity (c). During the expansion step (c), the expansion of the foaming molten resin is assisted by gas vent, vacuum suction, partial pressure adding with gas or resin, or a spring back force of the reinforcement fiber in the foaming molten resin. Accordingly, there can be provided a resin foam molded article that has no improperly large air voids therein, a sufficient volume expansion thereof, and a superior transferability function.Type: ApplicationFiled: January 3, 2007Publication date: August 16, 2007Inventors: Mitsuharu Kaneko, Takahiro Tochioka, Junichi Ogawa
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Publication number: 20070182048Abstract: There are provided a plasticizing-kneading step of plasticizing a reinforcement fiber and a resin in a cylinder having a screw, and a metering-injecting step of supplying a physical foaming agent to the resin and injecting them into a cavity of a mold, after metering the necessary amount of resin for molding, a foaming-agent supplying step of supplying the physical foaming agent to the resin passed through a nozzle after being plasticized, and a mixing-dispersion promoting step of promoting mixing and dispersion of the physical foaming agent in the resin in a resin flow path from a supply portion of the physical foaming agent to the cavity of the mold. Accordingly, any breakage of reinforcement fiber is prevented and the mixing and dispersion of the physical foaming agent is improved.Type: ApplicationFiled: December 11, 2006Publication date: August 9, 2007Inventors: Junichi Ogawa, Mitsuharu Kaneko, Youhei Ichihara, Takahiro Tochioka
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Publication number: 20070176313Abstract: In a molding method of a fiber filler reinforced resin molded article, in which a reinforcement fiber and a resin are plasticized and kneaded in a material supply cylinder including a screw with an anti counterflow portion, and the resin with the reinforcement fiber mixed therewith is injected into a cavity of a mold, the reinforcement fiber is mixed with the resin in the cylinder at a portion downstream of the anti counterflow portion of the screw, and a physical foaming agent is supplied into the cylinder at a portion downstream of the anti counterflow portion. Accordingly, there can be provided a molding method or apparatus of a fiber filler reinforced resin molded article that can improve properties by preventing the reinforcement fiber from being broken.Type: ApplicationFiled: December 8, 2006Publication date: August 2, 2007Inventors: Junichi Ogawa, Mitsuharu Kaneko, Youhei Ichihara, Takahiro Tochioka
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Patent number: 7182382Abstract: The resin-made floor panel structure including a trunk floor F1 made of resin integrally forming a spare tire storage space S1, and a trunk board B1 made of resin disposed so as to cover the floor panel, fitting parts Sw1, Bk1 for achieving the closure of the spare tire storage space are integrally formed respectively in the trunk floor and trunk board. Thereby, in using resin materials for a floor panel, transmission of noise in the floor section to the compartment side can be suppressed by a relatively simple structure without increasing the weight.Type: GrantFiled: April 22, 2004Date of Patent: February 27, 2007Assignees: G P Daikyo Corporation, Mazda Motor CorporationInventors: Issei Harima, Yoshihiro Takemoto, Takanobu Kamura, Chie Fukuhara, Takahiro Tochioka, Mitsuharu Kaneko, Shinya Nakamura, Fumiya Mouri
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Patent number: 7111894Abstract: An automobile door structure of this invention is formed by joining an outer panel and inner panel to each other. The inner panel has an opening portion. A resin-made carrier plate which supports accessories of a door is attached to the inner panel so as to cover the opening portion. An upper trim portion extending to cover a vehicle compartment side of a belt portion of the door is integrally molded on an upper portion of the carrier plate. A trim plate is attached to a portion of the carrier plate which is below the upper trim portion so as to cover the vehicle compartment side of the carrier plate.Type: GrantFiled: May 25, 2004Date of Patent: September 26, 2006Assignees: Mazda Motor Corporation, Hirotec Corporation, GP Daikyo CorporationInventors: Fumihiro Kora, Norifumi Inoue, Haruki Ota, Takahiro Tochioka, Ikuo Nishikawa, Shinji Gasami
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Patent number: 7045202Abstract: A long glass fiber filler reinforced resin material for molding includes a masterbatch formed of a composite of a matrix resin with a polypropylene (PP) component and a long glass fiber filler and a diluent resin made from an ethylene-propylene block copolymer. The above-described matrix resin of the masterbatch includes the PP component having a pentad isotactic index of at least 95%, and a melt flow rate (MFR) of the matrix resin of the masterbatch is 100 to 500 g/10 min and larger than six times a melt flow rate of the diluent resin. The long glass fiber filler is in a content of 30 to 50 mass percent with respect to a total mass thereof.Type: GrantFiled: January 28, 2003Date of Patent: May 16, 2006Assignee: Mazda Motor CorporationInventors: Chikara Tanaka, Takahiro Tochioka
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Patent number: 6966592Abstract: The resin-made floor panel structure including a trunk floor F made of resin, and a trunk board B made of resin disposed so as to cover the trunk floor, a foamed layer having foams exposed at least in part is provided only on the side of the trunk board facing the floor panel. Thereby, in using resin materials for a floor panel, transmission of noise in the floor to the compartment side can be suppressed by a relatively simple structure without increasing the weight.Type: GrantFiled: April 22, 2004Date of Patent: November 22, 2005Assignees: G P Daikyo CorporationInventors: Issei Harima, Yoshihiro Takemoto, Takanobu Kamura, Chie Fukuhara, Takahiro Tochioka, Mitsuharu Kaneko, Fumiya Mouri
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Publication number: 20050202223Abstract: A resin-made interior member for an opening and closing body of the invention is a resin-made interior member to be attached to an inside of an outer panel of the opening and closing body and is formed by an injection molding method using a molding material of polypropylene type resin containing a reinforcing fiber and rubber and by properly setting the respective contents of the reinforcing fiber and the rubber component, the modulus of bend elasticity is improved by blending the reinforcing fiber without being accompanied with deterioration of the moldability as the material resin and the appearance of the molded product to improve rigidity of the interior member and impact resistance is assured by blending the rubber component to give the interior member with good moldability and appearance in form of the molded product and having a required rigidity and impact resistance.Type: ApplicationFiled: April 28, 2003Publication date: September 15, 2005Inventors: Issei Harima, Yoshiaki Saito, Takahiro Tochioka
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Publication number: 20050052050Abstract: An automobile door structure of this invention is formed by joining an outer panel and inner panel to each other. The inner panel has an opening portion. A resin-made carrier plate which supports accessories of a door is attached to the inner panel so as to cover the opening portion. An upper trim portion extending to cover a vehicle compartment side of a belt portion of the door is integrally molded on an upper portion of the carrier plate. A trim plate is attached to a portion of the carrier plate which is below the upper trim portion so as to cover the vehicle compartment side of the carrier plate.Type: ApplicationFiled: May 25, 2004Publication date: March 10, 2005Applicants: Mazda Motor Corporation, Hirotec Corporation, GP Daikyo CorporationInventors: Fumihiro Kora, Norifumi Inoue, Haruki Ota, Takahiro Tochioka, Ikuo Nishikawa, Shinji Gasaml
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Publication number: 20040262936Abstract: The resin-made floor panel structure including a trunk floor F made of resin, and a trunk board B made of resin disposed so as to cover the trunk floor, a foamed layer having foams exposed at least in part is provided only on the side of the trunk board facing the floor panel. Thereby, in using resin materials for a floor panel, transmission of noise in the floor to the compartment side can be suppressed by a relatively simple structure without increasing the weight.Type: ApplicationFiled: April 22, 2004Publication date: December 30, 2004Applicants: G P Daikyo Corporation, Mazda Motor CorporationInventors: Issei Harima, Yoshihiro Takemoto, Takanobu Kamura, Chie Fukuhara, Takahiro Tochioka, Mitsuharu Kaneko, Fumiya Mouri
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Publication number: 20040262934Abstract: Rigidity distribution of trunk floor is uneven, and intervals between high rigidity portions and low rigidity portions are set uneven, and more specifically a plurality of concave commodity storage spaces are integrally formed in the trunk floor, and dimensions of the these storage spaces and/or walls formed among storage spaces are set differently from each other, so that the rigidity of the trunk floor is set uneven. Thereby, in using resin materials for a floor panel, vibrations in the floor can be suppressed by a relatively simple structure without increasing the weight.Type: ApplicationFiled: April 22, 2004Publication date: December 30, 2004Applicants: G P Daikyo Corporation, MAZDA MOTOR CORPORATIONInventors: Issei Harima, Yoshihiro Takemoto, Takanobu Kamura, Chie Fukuhara, Takahiro Tochioka
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Publication number: 20040262935Abstract: The resin-made floor panel structure including a trunk floor F1 made of resin integrally forming a spare tire storage space S1, and a trunk board B1 made of resin disposed so as to cover the floor panel, fitting parts Sw1, Bk1 for achieving the closure of the spare tire storage space are integrally formed respectively in the trunk floor and trunk board. Thereby, in using resin materials for a floor panel, transmission of noise in the floor section to the compartment side can be suppressed by a relatively simple structure without increasing the weight.Type: ApplicationFiled: April 22, 2004Publication date: December 30, 2004Applicants: G P Daikyo Corporation, MAZDA MOTOR CORPORATIONInventors: Issei Harima, Yoshihiro Takemoto, Takanobu Kamura, Chie Fukuhara, Takahiro Tochioka, Mitsuharu Kaneko, Shinya Nakamura, Fumiya Mouri
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Publication number: 20040228946Abstract: A ratio of length (L)/diameter (D) of a screw is set to 18 through 24, a length (Lf) of a supplying portion of the screw is set to 10 through 14 times the diameter (D), a groove depth (hf) of the supplying portion of the screw (14) is set to be not less than 13 mm, a groove depth (hm) of a measuring portion of the screw (14) is set to be not less than 8 mm, and a width of a molten resin path formed by a weir plate (22) and a check ring (22) in a direction orthogonal to a flow direction of the molten resin is set to be 3 through 6% of the screw diameter (D).Type: ApplicationFiled: March 29, 2004Publication date: November 18, 2004Applicants: THE JAPAN STEEL WORKS, LTD., MAZDA MOTOR CORPORATIONInventors: Kazuhisa Yokoyama, Hideaki Nakashima, Fumiaki Tsuda, Takahiro Tochioka, Mitsuharu Kaneko
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Publication number: 20030148083Abstract: A long glass fiber filler reinforced resin material for molding comprises a masterbatch formed of a composite of a matrix resin including a PP component and a long glass fiber filler and a diluent resin made from an ethylene-propylene block copolymer. The above-described matrix resin of the masterbatch includes the PP component having a pentad isotactic index of at least 95%, and a MFR of the matrix resin of the masterbatch is 100 to 500 g/10 min and larger than six times a melt flow rate of the diluent resin. The long glass fiber filler is in a content of 30 to 50 mass percent with respect to a total mass thereof.Type: ApplicationFiled: January 28, 2003Publication date: August 7, 2003Applicant: Mazda Motor CorporationInventors: Chikara Tanaka, Takahiro Tochioka
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Patent number: 6586517Abstract: The present invention provides a long fiber-reinforced polypropylene resin composition for a molded article which is improved in all of a mechanical strength, a rigidity and an impact resistance and excellent as well in a durability, in which the long fiber-reinforced polypropylene resin composition comprises a long fiber-reinforced propylene polymer composition comprising a propylene polymer modified with unsaturated carboxylic acid or an anhydride thereof and having an isotactic pentad ratio of 96% or more and a melt flow rate of 100 to 500 g/10 min, an alkaline earth metal compound, and a glass fiber; and a propylene-ethylene copolymer composition comprising a propylene-ethylene copolymer having a melt flow rate of 10 to 60 g/10 min and a nucleating agent.Type: GrantFiled: February 13, 2002Date of Patent: July 1, 2003Assignees: Mazda Motor Corporation, Chisso Corporation, Chisso Petrochemical CorporationInventors: Koichi Saito, Toshimori Nakai, Takahiro Tochioka