Patents by Inventor Tokuo Tsuura
Tokuo Tsuura 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: 8656982Abstract: The present invention arranges the part for removing impurities from a molten metal containing a filter holder constituted of a structure containing an organic fiber, an inorganic fiber and thermosetting resin and a heat-resistant filter in the runner of the mold.Type: GrantFiled: December 7, 2011Date of Patent: February 25, 2014Assignee: Kao CorporationInventors: Shigeaki Takashina, Tokuo Tsuura, Tomoaki Kawabata, Daisuke Barada
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Publication number: 20120138255Abstract: The present invention arranges the part for removing impurities from a molten metal containing a filter holder constituted of a structure containing an organic fiber, an inorganic fiber and thermosetting resin and a heat-resistant filter in the runner of the mold.Type: ApplicationFiled: December 7, 2011Publication date: June 7, 2012Inventors: Shigeaki TAKASHINA, Tokuo TSUURA, Tomoaki KAWABATA, Daisuke BARADA
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Patent number: 8118974Abstract: The invention relates to a structure for producing castings, which comprises an organic fiber, carbon fiber, inorganic particles, and at least one kind of thermosetting resin selected from the group consisting of phenol resin, epoxy resin and furan resin.Type: GrantFiled: June 10, 2004Date of Patent: February 21, 2012Assignee: Kao CorporationInventors: Shigeo Nakai, Tokuo Tsuura, Yoshimasa Takagi, Tadashi Kusube, Akira Yoshida, Yoshiaki Ban
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Patent number: 7815774Abstract: An element made by papermaking for use in the production of a casting cast which comprises an organic fiber, an inorganic fiber, and a binder. The contents of the organic fiber, the inorganic fiber, and the binder are preferably 10 to 70 parts by weight, 1 to 80 parts by weight, and 10 to 85 parts by weight, respectively. The binder is preferably an organic binder. The organic fiber is preferably pulp fiber.Type: GrantFiled: March 10, 2003Date of Patent: October 19, 2010Assignee: Kao CorporationInventors: Tokuo Tsuura, Hiroaki Kobayashi, Yoshimasa Takagi, Shigeo Nakai, Tokihito Sono
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Publication number: 20100096099Abstract: The present invention arranges the part for removing impurities from a molten metal containing a filter holder constituted of a structure containing an organic fiber, an inorganic fiber and thermosetting resin and a heat-resistant filter in the runner of the mold.Type: ApplicationFiled: December 12, 2007Publication date: April 22, 2010Applicant: Kao CorporationInventors: Shigeaki Takashina, Tokuo Tsuura, Tomoaki Kawabata, Daisuke Barada
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Patent number: 7503999Abstract: A part for casting obtained by converting base paper for paper tubing into a tube and containing an organic fiber, an inorganic fiber, and a binder. The part is preferably obtained by winding the base paper into tubing. The part preferably contains 10 to 70 parts by weight of the organic fiber, 1 to 80 parts by weight of the inorganic fiber, 10 to 85 parts by weight of the binder. The organic fiber is preferably pulp fiber.Type: GrantFiled: November 11, 2003Date of Patent: March 17, 2009Assignee: Kao CorporationInventors: Tokuo Tsuura, Hiroaki Kobayashi, Yoshimasa Takagi, Shigeo Nakai, Tokihito Sono
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Patent number: 7370788Abstract: A molded article (10) made predominantly of pulp and comprising a bottom portion (13) and a body portion (12), wherein the angle ? between the outer surface of a side wall of the body portion (12) and the ground contact plane (B) of the bottom portion (13) is 85° or greater, and the height of the body portion (12) is 50 mm or more.Type: GrantFiled: May 6, 1999Date of Patent: May 13, 2008Assignee: Kao CorporationInventors: Kenichi Otani, Yoshiaki Kumamoto, Koichi Sagara, Shinji Kodama, Minoru Goto, Susumu Fujinami, Tokuo Tsuura, Shinji Otakura, Takehiko Tojo, Yukiya Sato, Masataka Ishikawa, Shingo Odajima, Masanori Takita
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Publication number: 20080105401Abstract: The invention relates to a structure for producing castings, which comprises an organic fiber, carbon fiber, inorganic particles, and at least one kind of thermosetting resin selected from the group consisting of phenol resin, epoxy resin and furan resin.Type: ApplicationFiled: June 10, 2004Publication date: May 8, 2008Applicant: Kao CorporationInventors: Shigeo Nakai, Tokuo Tsuura, Yoshimasa Takagi, Tadashi Kusube, Akira Yoshida, Yoshiaki Ban
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Patent number: 7297232Abstract: A method for producing a fiber molded article comprising the step of transferring a fiber molded article 10 formed in a papermaking mold 2 composed of splits 20 and 20? to a split 30? of a drying mold 3, in which the papermaking mold 2 is once opened while attracting the fiber molded article 10 to the inner surface of the split 20? by suction to separate the fiber molded article 10 from the inner surface of the split 20, the papermaking mold 2 is closed, the suction by the split 20? is stopped, the papermaking mold 2 is opened again while attracting the fiber molded article 10 to the inner surface of the split 20 to separate the fiber molded article 10 from the split 20?, the split 20 is joined with the split 30?, the fiber molded article 10 is attracted to the inner surface of the split 30? by suction, and the fiber molded article 10 is separated from the split 20.Type: GrantFiled: July 18, 2002Date of Patent: November 20, 2007Assignee: Kao CorporationInventors: Tokuo Tsuura, Masayuki Osaki
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Patent number: 7067041Abstract: A method of producing pulp moldings having a paper-making process comprising the steps of assembling split mold halves (11, 12) having suction passageways (14) to form a paper-making mold (10), feeding pulp slurry of predetermined set feed concentration into the cavity (13) in the paper-making mold (10), and sucking the pulp slurry through the suction passageways (14) to form a pulp layer (15) on the inner surface of the paper-making mold (10), wherein the concentration of the pulp slurry in the cavity (13) in the initial and/or final period of formation of the pulp layer (15) in the paper-making process is lower than the above-mentioned set feed concentration of the pulp slurry.Type: GrantFiled: April 6, 2001Date of Patent: June 27, 2006Assignee: Kao CorporationInventors: Tokuo Tsuura, Hiroaki Kobayashi, Kenichi Otani, Masayuki Osaki, Shingo Odajima
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Publication number: 20060130987Abstract: A part for casting obtained by converting base paper for paper tubing into a tube and containing an organic fiber, an inorganic fiber, and a binder. The part is preferably obtained by winding the base paper into tubing. The part preferably contains 10 to 70 parts by weight of the organic fiber, 1 to 80 parts by weight of the inorganic fiber, 10 to 85 parts by weight of the binder. The organic fiber is preferably pulp fiber.Type: ApplicationFiled: November 11, 2003Publication date: June 22, 2006Applicant: Kao CorporationInventors: Tokuo Tsuura, Hiroaki Kobayashi, Yoshimasa Takagi, Shigeo Nakai, Tokihito Sono
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Patent number: 6994772Abstract: Disclosed is a method of producing a fiber-molded hollow article by using a papermaking mold (2) composed of splits (21, 22) which are joined to form a cavity (20) having two openings (20a, 20b) connecting with the outside and an expandable pressing member (3) adapted to be placed in the cavity (20). The method comprises the steps of immersing each of the splits (21, 22) before being joined in a fiber slurry to form a fiber preform (10a, 10b), joining the splits (21, 22) each having the fiber preform (10a, 10b) formed thereon while placing the pressing member (3) in the cavity (20), and molding and dewatering a molded article (1) in the papermaking mold (2).Type: GrantFiled: July 30, 2002Date of Patent: February 7, 2006Assignee: Kao CorporationInventors: Hiromichi Kimbara, Koichi Sagara, Masayuki Osaki, Tokuo Tsuura
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Patent number: 6899793Abstract: A method of producing a pulp molded article. The method feeds a pulp slurry to a cavity of a papermaking mold having a prescribed cavity shape to form a pulp preform including a main part having an opening and a separable part having a flange and connected to an edge of the opening. A pressing member is inserted into the preform, the pressing member is expanded to press the preform toward the papermaking surface, the preform is removed from the papermaking mold, and then the preform is cut at a joint between the separable part and the main part.Type: GrantFiled: February 16, 2001Date of Patent: May 31, 2005Assignee: Kao CorporationInventors: Akira Nonomura, Yasushi Yamada, Tokuo Tsuura, Hiroaki Kobayashi, Kenichi Otani
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Patent number: 6860461Abstract: A papermaking mold which includes a papermaking part of a prescribed shape, a peripheral part extending outward from the peripheral edge of the papermaking part, and a net covering the papermaking part and at least part of the peripheral part. A fixing member is disposed on the periphery of the net, and the fixing member is fixed to the peripheral part to fix the net by the fixing member.Type: GrantFiled: May 30, 2000Date of Patent: March 1, 2005Assignee: Kao CorporationInventors: Kenichi Otani, Yoshiaki Kumamoto, Tokuo Tsuura, Minoru Goto, Keiji Eto
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Patent number: 6841041Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.Type: GrantFiled: January 2, 2003Date of Patent: January 11, 2005Assignee: Kao CorporationInventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
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Patent number: 6830658Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.Type: GrantFiled: February 13, 2003Date of Patent: December 14, 2004Assignee: Kao CorporationInventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
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Publication number: 20040069429Abstract: An element made by papermaking for use in the production of a die casting which comprises an organic fiber, an inorganic fiber, and a binder. The contents of the organic fiber, the inorganic fiber, and the binder are preferably 10 to 70 parts by weight, 1 to 80 parts by weight, and 10 to 85 parts by weight, respectively. The binder is preferably an organic binder. The organic fiber is preferably pulp fiber.Type: ApplicationFiled: August 20, 2003Publication date: April 15, 2004Inventors: Tokuo Tsuura, Hiroaki Kobayashi, Yoshimasa Takagi, Shigeo Nakai, Tokihito Sono
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Publication number: 20040041305Abstract: A method for producing a fiber molded article comprising the step of transferring a fiber molded article 10 formed in a papermaking mold 2 composed of splits 20 and 20′ to a split 30′ of a drying mold 3, in which the papermaking mold 2 is once opened while attracting the fiber molded article 10 to the inner surface of the split 20′ by suction to separate the fiber molded article 10 from the inner surface of the split 20, the papermaking mold 2 is closed, the suction by the split 20′ is stopped, the papermaking mold 2 is opened again while attracting the fiber molded article 10 to the inner surface of the split 20 to separate the fiber molded article 10 from the split 20′, the split 20 is joined with the split 30′, the fiber molded article 10 is attracted to the inner surface of the split 30′ by suction, and the fiber molded article 10 is separated from the split 20.Type: ApplicationFiled: August 13, 2003Publication date: March 4, 2004Inventors: Tokuo Tsuura, Masayuki Osaki
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Publication number: 20040011489Abstract: Disclosed is a method of producing a fiber-molded hollow article by using a papermaking mold (2) composed of splits (21, 22) which are joined to form a cavity (20) having two openings (20a, 20b) connecting with the outside and an expandable pressing member (3) adapted to be placed in the cavity (20). The method comprises the steps of immersing each of the splits (21, 22) before being joined in a fiber slurry to form a fiber preform (10a, 10b), joining the splits (21, 22) each having the fiber preform (10a, 10b) formed thereon while placing the pressing member (3) in the cavity (20), and molding and dewatering a molded article (1) in the papermaking mold (2).Type: ApplicationFiled: July 18, 2003Publication date: January 22, 2004Inventors: Hiromichi Kimbara, Koichi Sagara, Masayuki Osaki, Tokuo Tsuura
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Patent number: 6645348Abstract: Pulp deposited bodies (7 and 8) are formed on the surfaces (2a and 3a) of a set of splits (2 and 3) of a papermaking mold, each split having a plurality of interconnecting holes connecting the outside to the inside thereof, and the splits (2 and 3) are mated to join the pulp deposited bodies (7 and 8).Type: GrantFiled: August 7, 2002Date of Patent: November 11, 2003Assignee: Kao CorporationInventors: Yoshiaki Kumamoto, Shinji Otakura, Kenichi Otani, Shingo Odajima, Tokuo Tsuura