Patents by Inventor Masahiro NIIHORI
Masahiro NIIHORI 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: 9463602Abstract: A production apparatus includes the following stations juxtaposed in the following sequence: a parison forming station for forming a parison; a built-in part attachment station where opposite sides of a center die provided with a built-in part are held between a pair of molding dies to locate the center die in the molding dies with the parison between the center die and the molding dies, and the built-in part being attached to the parison transferred to the molding dies; a molding station where the molding dies are closed to mold the hollow molded product; and a conveyance station for taking the hollow molded product out of the molding dies and conveying the hollow molded product. The center die is fixed at the built-in part attachment station, and the molding dies are configured to be movable back and forth between the built-in part attachment station and the molding station.Type: GrantFiled: April 29, 2016Date of Patent: October 11, 2016Assignees: YACHIYO INDUSTRY CO., LTD., THE JAPAN STEEL WORKS, LTD.Inventors: Takatoshi Watanabe, Satoru Araya, Masahiro Niihori, Wataru Iwase, Naoya Tabuchi, Kazuhiro Ohtaki, Yuji Hisatomi, Naoto Saito, Naoyuki Murata, Ryuichi Kawachi, Yuji Ito
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Publication number: 20160243775Abstract: A production apparatus includes the following stations juxtaposed in the following sequence: a parison forming station for forming a parison; a built-in part attachment station where opposite sides of a center die provided with a built-in part are held between a pair of molding dies to locate the center die in the molding dies with the parison between the center die and the molding dies, and the built-in part being attached to the parison transferred to the molding dies; a molding station where the molding dies are closed to mold the hollow molded product; and a conveyance station for taking the hollow molded product out of the molding dies and conveying the hollow molded product. The center die is fixed at the built-in part attachment station, and the molding dies are configured to be movable back and forth between the built-in part attachment station and the molding station.Type: ApplicationFiled: April 29, 2016Publication date: August 25, 2016Inventors: Takatoshi Watanabe, Satoru Araya, Masahiro Niihori, Wataru Iwase, Naoya Tabuchi, Kazuhiro Ohtaki, Yuji Hisatomi, Naoto Saito, Naoyuki Murata, Ryuichi Kawachi, Yuji Ito
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Publication number: 20160167285Abstract: In manufacturing a hollow molded article by an apparatus for manufacturing a hollow molded article, a pair of molding dies and another pair of molding dies disposed to position a sheet-like parison therebetween are provided, and the sheet-like parison is transformed into a predetermined shape. Built-in parts are fixed by piston portions to the transformed sheet-like parison, then, at a position between a portion transformed by the pair of molding dies and another portion transformed by the other pair of molding dies, the sheet-like parison is cut by a cutter. After this cutting, predetermined molding dies are faced each other to be clamped. Thereby, both of transformed sheet-like parisons are joined together to manufacture a hollow molded article.Type: ApplicationFiled: July 11, 2014Publication date: June 16, 2016Applicant: Yachiyo Industry Co., Ltd.Inventors: Takatoshi Watanabe, Kazuhiro Ohtaki, Masahiro Niihori, Hajime Kudo
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Patent number: 9358740Abstract: A production apparatus includes the following stations juxtaposed in the following sequence: a parison forming station for forming a parison; a built-in part attachment station where opposite sides of a center die provided with a built-in part are held between a pair of molding dies to locate the center die in the molding dies with the parison between the center die and the molding dies, and the built-in part being attached to the parison transferred to the molding dies; a molding station where the molding dies are closed to mold the hollow molded product; and a conveyance station for taking the hollow molded product out of the molding dies and conveying the hollow molded product. The center die is fixed at the built-in part attachment station, and the molding dies are configured to be movable back and forth between the built-in part attachment station and the molding station.Type: GrantFiled: March 9, 2012Date of Patent: June 7, 2016Assignees: YACHIYO INDUSTRY CO., LTD., THE JAPAN STEEL WORKS, LTD.Inventors: Takatoshi Watanabe, Satoru Araya, Masahiro Niihori, Wataru Iwase, Naoya Tabuchi, Kazuhiro Ohtaki, Yuji Hisatomi, Naoto Saito, Naoyuki Murata, Ryuichi Kawachi, Yuji Ito
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Patent number: 8899954Abstract: In a crosshead, a pair of sheets (7) are formed by bisecting a parison (3) suspended from a resin flow passage (30) formed between a core (9) and a die (8) by causing a first dividing body (33) of a separator (5, 5a) provided on the core (9) or the die (8) to contact a second dividing body (40) provided on the core (9) or the die (8).Type: GrantFiled: January 10, 2012Date of Patent: December 2, 2014Assignees: The Japan Steel Works, Ltd., Yachiyo Industry Co., Ltd.Inventors: Yuji Ito, Ryuichi Kawachi, Naoto Saito, Yukio Fujiwara, Satoru Araya, Kazuhiro Ohtaki, Masahiro Niihori, Takatoshi Watanabe, Naoya Tabuchi, Wataru Iwase
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Publication number: 20140113016Abstract: In a crosshead, a pair of sheets (7) are formed by bisecting a parison (3) suspended from a resin flow passage (30) formed between a core (9) and a die (8) by causing a first dividing body (33) of a separator (5, 5a) provided on the core (9) or the die (8) to contact a second dividing body (40) provided on the core (9) or the die (8).Type: ApplicationFiled: January 10, 2012Publication date: April 24, 2014Inventors: Yuji Ito, Ryuichi Kawachi, Naoto Saito, Yukio Fujiwara, Satoru Araya, Kazuhiro Ohtaki, Masahiro Niihori, Takatoshi Watanabe, Naoya Tabuchi, Wataru Iwase
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Patent number: 8668176Abstract: There are provided a part fixing structure and a part fixing method to a resin-made fuel tank which can firmly fix a part to a tank wall without the need of providing a molding die with a convex portion and a recess. A part fixing method for fixing a tank-associated part to a tank wall of a resin-made fuel tank, the part being formed together with a pair of hook portions, the method comprising a step of burying the hook portions in the tank wall in a melted state when the resin-made fuel tank is molded, thereby fixing the part to the tank wall after the tank wall is cooled. In order to cause the resin of the tank wall to flow well, a chevron portion having a pair of first inclined faces is projectingly provided at the bottom face of the part between the hook portions, and a second inclined face which is inclined in a direction opposite to the buried direction toward the tip of the hook portion is formed at the bottom face of each hook portion.Type: GrantFiled: January 19, 2011Date of Patent: March 11, 2014Assignee: Yachiyo Industry Co., Ltd.Inventors: Satoru Araya, Kazuhiro Ohtaki, Masahiro Niihori, Wataru Iwase
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Publication number: 20130341825Abstract: A production apparatus includes the following stations juxtaposed in the following sequence: a parison forming station for forming a parison; a built-in part attachment station where opposite sides of a center die provided with a built-in part are held between a pair of molding dies to locate the center die in the molding dies with the parison between the center die and the molding dies, and the built-in part being attached to the parison transferred to the molding dies; a molding station where the molding dies are closed to mold the hollow molded product; and a conveyance station for taking the hollow molded product out of the molding dies and conveying the hollow molded product. The center die is fixed at the built-in part attachment station, and the molding dies are configured to be movable back and forth between the built-in part attachment station and the molding station.Type: ApplicationFiled: March 9, 2012Publication date: December 26, 2013Applicants: THE JAPAN STEEL WORKS, LTD., YACHIYO INDUSTRY CO., LTD.Inventors: Takatoshi Watanabe, Satoru Araya, Masahiro Niihori, Wataru Iwase, Naoya Tabuchi, Kazuhiro Ohtaki, Yuji Hisatomi, Naoto Saito, Naoyuki Murata, Ryuichi Kawachi, Yuji Ito
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Publication number: 20110174946Abstract: There are provided a part fixing structure and a part fixing method to a resin-made fuel tank which can firmly fix a part to a tank wall without the need of providing a molding die with a convex portion and a recess. A part fixing method for fixing a tank-associated part to a tank wall of a resin-made fuel tank, the part being formed together with a pair of hook portions, the method comprising a step of burying the hook portions in the tank wall in a melted state when the resin-made fuel tank is molded, thereby fixing the part to the tank wall after the tank wall is cooled. In order to cause the resin of the tank wall to flow well, a chevron portion having a pair of first inclined faces is projectingly provided at the bottom face of the part between the hook portions, and a second inclined face which is inclined in a direction opposite to the buried direction toward the tip of the hook portion is formed at the bottom face of each hook portion.Type: ApplicationFiled: January 19, 2011Publication date: July 21, 2011Applicant: YACHIYO INDUSTRY CO., LTD.Inventors: Satoru ARAYA, Kazuhiro OHTAKI, Masahiro NIIHORI, Wataru IWASE