Patents by Inventor Tadatoshi Tanji
Tadatoshi Tanji 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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Publication number: 20240131777Abstract: A method of manufacturing a structure is provided in which a burr portion can be more reliably cut. In a burr portion shaping step, the burr portion is sucked to an engaging portion by a suction part to shape the burr portion along the engaging portion, and in a cutting step, ae movable portion is moved relative to first and second split molds with the burr portion being shaped along the engaging portion, thereby the burr portion is cut from a molded main body along a cutting line.Type: ApplicationFiled: February 18, 2022Publication date: April 25, 2024Applicant: KYORAKU CO., LTD.Inventors: Yuki HARASAWA, Tadatoshi TANJI, Tatsuya FUKUDA, Takurou MATSUDA, Sho NAKAJIMA, Shingo NAGASHIMA
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Publication number: 20240109238Abstract: A resin residue removal device is provided that is capable of appropriately removing a resin residue adhered to a lower surface of a die of a molding apparatus. The present invention provides a resin residue removal device for removing a resin residue adhered to a lower surface of a die of a molding apparatus, the device including a moving mechanism and a resin residue removal head, wherein the moving mechanism is configured to move the resin residue removal head between a lateral position out of a position immediately below the die and an immediately below position as the position immediately below, and also in the immediately below position, to move the head between a separate position separate from the lower surface and a close position close to the lower surface, and the resin residue removal head is configured to allow removal of the resin residue adhered to the lower surface by moving along the lower surface.Type: ApplicationFiled: January 19, 2022Publication date: April 4, 2024Applicant: KYORAKU CO., LTD.Inventor: Tadatoshi TANJI
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Patent number: 11590683Abstract: A molding-forming method, a molding mold, and a molding production apparatus with which efficient burrs removal is possible without requiring a large apparatus. A molding production method includes, in addition to a molding being formed inside a mold, burrs formed around the molding are separated from the molding. After formation of the molding, air is blown inside the mold on at least a portion of the burrs formed around the molding to cool the same, a projecting member is projected toward the cooled burrs, and the burrs are separated from the molding. After pressing the burrs toward the projecting member by the air blowing, the burr is pressed toward the mold surface facing the projecting member by projection of the projecting member to separate the burr from the molding.Type: GrantFiled: October 30, 2018Date of Patent: February 28, 2023Assignee: KYORAKU CO., LTD.Inventors: Kengo Shimada, Tadatoshi Tanji, Naoto Tani, Masaaki Onodera
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Publication number: 20230040996Abstract: A foam the molded body with excellent flame retardancy. A foam molded body formed of a foam-molded resin composition containing a base resin and a flame retardant. An expansion ratio of the foam molded body is 1.1 to 9.0 times, the base resin contains polyolefin, and a blending amount of the flame retardant in the resin composition is 0.1 to 10% by mass.Type: ApplicationFiled: December 21, 2020Publication date: February 9, 2023Applicant: KYORAKU CO., LTD.Inventors: Kengo SHIMADA, Yoshihiro YAMASAKI, Yoshinori ONO, Tadatoshi TANJI
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Patent number: 11524430Abstract: The present application provides a structure excellent in sound absorbing performance According to the present invention, provided is a structure comprising a foam molded body and a porous skin sheet, wherein the skin sheet is integrally molded with the foam molded body; the foam molded body and comprises a wide space therein; and Sw/Ft?0.5, where Ft represents the thickness of the foam molded body at a position in which the thickness of the wide space is maximum, and Sw represents the width of the wide space.Type: GrantFiled: November 28, 2018Date of Patent: December 13, 2022Assignee: KYORAKU CO., LTD.Inventors: Yuta Minamigawa, Yoshihiro Yamasaki, Yu Igarashi, Tadatoshi Tanji, Ryuichi Ishida
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Publication number: 20220371231Abstract: The present invention provides a manufacturing method of a molded product by which the cutting accuracy of a burr provided on the peripheral surface of the molded body can be improved. According to the present invention, provided is a manufacturing method of a molded product, comprising a measurement step; a correction step; and a burr cutting step, wherein, in the measurement step, a position of at least one point on a peripheral surface of a molded body is measured while the molded body is in a positioned state, in the correction step, a master cutting line is corrected on the basis of a measurement result in the measurement step to determine a corrected cutting line, and in the burr cutting step, a burr provided on the peripheral surface of the molded body is cut according to the corrected cutting line.Type: ApplicationFiled: October 26, 2020Publication date: November 24, 2022Applicant: KYORAKU CO., LTD.Inventors: Hisanao HATO, Tadatoshi TANJI, Shingo NAGASHIMA
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Publication number: 20210221033Abstract: A manufacturing method of a structure by which a target member can be easily positioned with high accuracy. In a tilting step, at least one target member is positioned by tilting a positioning table and sliding the target member placed on the positioning table to bring the target member into contact with a locking portion.Type: ApplicationFiled: July 24, 2019Publication date: July 22, 2021Applicant: KYORAKU CO., LTD.Inventors: Hisanao HATO, Tadatoshi TANJI, Takeshi KATO, Tatsuya FUKUDA, Yuki HARASAWA
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Publication number: 20210178653Abstract: A molding-forming method, a molding mold, and a molding production apparatus with which efficient burrs removal is possible without requiring a large apparatus. A molding production method includes, in addition to a molding being formed inside a mold, burrs formed around the molding are separated from the molding. After formation of the molding, air is blown inside the mold on at least a portion of the burrs formed around the molding to cool the same, a projecting member is projected toward the cooled burrs, and the burrs are separated from the molding. After pressing the burrs toward the projecting member by the air blowing, the burr is pressed toward the mold surface facing the projecting member by projection of the projecting member to separate the burr from the molding.Type: ApplicationFiled: October 30, 2018Publication date: June 17, 2021Applicant: KYORAKU CO., LTD.Inventors: Kengo SHIMADA, Tadatoshi TANJI, Naoto TANI, Masaaki ONODERA
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Patent number: 10988584Abstract: Provided is a resin for foam molding excellent in foam molding property and low-temperature impact resistance. According to the present invention, provided is a resin for foam molding including a component A, a component B and a component C. The component A is a long-chain branched homopolypropylene, the component B is a long-chain branched block polypropylene, the component C is a polyethylene-based elastomer, and when a total of the components A to C is 100 parts by mass, content of the component A is 20 to 70 parts by mass, content of the component B is 20 to 70 parts by mass, and content of the component C is 1 to 20 parts by mass.Type: GrantFiled: October 27, 2017Date of Patent: April 27, 2021Assignee: KYORAKU CO., LTD.Inventors: Takaaki Someya, Takeru Sano, Yoshinori Ono, Tadatoshi Tanji
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Patent number: 10836093Abstract: A resin panel according to an embodiment includes a core material, a reinforcing material, a skin material covering the core material and the reinforcing material, and a fastened member. A reinforcing material has a first plate provided on a front surface of the core material, a second plate provided on a back surface of the core material, and a connecting plate connecting the first plate and the second plate. The fastened member is attached to the skin material by a fastening member penetrating the skin material and the first plate or the second plate of the reinforcing material.Type: GrantFiled: February 15, 2017Date of Patent: November 17, 2020Assignee: Kyoraku Co., Ltd.Inventors: Masaaki Sueoka, Tatsuya Fukuda, Tadatoshi Tanji, Kenji Iwasaki, Ryosuke Oki
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Patent number: 10821700Abstract: A method of manufacturing a resin-laminated board by preparing a pair of first and second split molds each of which is provided with a cavity; positioning two sheet materials made of a thermoplastic resin between the first and second split molds with the cavities of the first and second split molds opposed to each other; forming a plurality of recesses by recessing a first sheet material toward a second sheet material with use of a plurality of protrusions provided to the first split mold; and welding bottoms of the recesses to the second sheet material by clamping the pair of first and second split molds to obtain a resin-laminated board with a hollow structure. A mold includes a plurality of piece members, disposed at the cavity of the first split mold; and includes the protrusions and male screws provided to base ends of the protrusions.Type: GrantFiled: June 29, 2017Date of Patent: November 3, 2020Assignee: KYORAKU CO., LTD.Inventors: Yoshitaka Matsubara, Tadatoshi Tanji
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Publication number: 20200290245Abstract: The present application provides a structure excellent in sound absorbing performance According to the present invention, provided is a structure comprising a foam molded body and a porous skin sheet, wherein the skin sheet is integrally molded with the foam molded body; the foam molded body and comprises a wide space therein; and Sw/Ft?0.5, where Ft represents the thickness of the foam molded body at a position in which the thickness of the wide space is maximum, and Sw represents the width of the wide space.Type: ApplicationFiled: November 28, 2018Publication date: September 17, 2020Applicant: KYORAKU CO., LTD.Inventors: Yuta MINAMIGAWA, Yoshihiro YAMASAKI, Yu IGARASHI, Tadatoshi TANJI, Ryuichi ISHIDA
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Patent number: 10688751Abstract: A foam structural material includes a first core material and a reinforcing material. The first core material has a first portion of a linear groove part formed along an edge of the first core material. The reinforcing material has a first side fitted to the first portion of the linear groove part. The first portion of the linear groove part includes a first engagement plane. The first engagement plane is engaged with the reinforcing material and has one or a plurality of projections formed thereon.Type: GrantFiled: May 3, 2018Date of Patent: June 23, 2020Assignee: KYORAKU CO., LTD.Inventors: Tatsuya Fukuda, Tadatoshi Tanji, Yoshihiro Yamasaki
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Publication number: 20190276615Abstract: Provided is a resin for foam molding excellent in foam molding property and low-temperature impact resistance. According to the present invention, provided is a resin for foam molding including a component A, a component B and a component C. The component A is a long-chain branched homopolypropylene, the component B is a long-chain branched block polypropylene, the component C is a polyethylene-based elastomer, and when a total of the components A to C is 100 parts by mass, content of the component A is 20 to 70 parts by mass, content of the component B is 20 to 70 parts by mass, and content of the component C is 1 to 20 parts by mass.Type: ApplicationFiled: October 27, 2017Publication date: September 12, 2019Applicant: KYORAKU CO., LTD.Inventors: Takaaki SOMEYA, Takeru SANO, Yoshinori ONO, Tadatoshi TANJI
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Patent number: 10232584Abstract: In a resin sandwich panel, the two resin skin material sheets have peripheral edge portions thereof joined to each other so as to form an internal hollow portion. The resin core material is disposed in the hollow portion. At least one of surfaces of the resin core material opposing the two resin skin material sheets has a groove portion extending across the entire surface, and a depression communicating with the groove portion. At least one of the two resin skin material sheets additionally has an atmosphere-opened through-hole provided in a thickness direction thereof. When the one of the surfaces of the resin core material and the corresponding resin skin material sheet are surface-to-surface adhered to each other in the hollow portion, air between the surfaces and the skin material sheet is guided to the depression via the groove portion, and exhausted out of the atmosphere-opened through-hole.Type: GrantFiled: May 30, 2015Date of Patent: March 19, 2019Assignee: KYORAKU CO., LTD.Inventor: Tadatoshi Tanji
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Publication number: 20190039279Abstract: A resin panel according to an embodiment includes a core material, a reinforcing material, a skin material covering the core material and the reinforcing material, and a fastened member. A reinforcing material has a first plate provided on a front surface of the core material, a second plate provided on a back surface of the core material, and a connecting plate connecting the first plate and the second plate. The fastened member is attached to the skin material by a fastening member penetrating the skin material and the first plate or the second plate of the reinforcing material.Type: ApplicationFiled: February 15, 2017Publication date: February 7, 2019Applicant: Kyoraku Co., Ltd.Inventors: Masaaki SUEOKA, Tatsuya FUKUDA, Tadatoshi TANJI, Kenji IWASAKI, Ryosuke OKI
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Patent number: 10112361Abstract: An object of the present invention is to provide a core member for a sandwich panel and a method of forming the core member for the sandwich panel which are capable of attaining a desired profile, a desired pattern on its surface, and a desired inner structure in accordance with an application of the sandwich panel. According to an aspect of the invention, there is provided a thermoplastic resin core member interposed between two resin skin sheets comprising a closed hollow portion located to be inside of a desired position in accordance with an application of the sandwiched panel, and it is formed by clamping parison of a molten thermoplastic resin positioned to be between two split molds so as to exhibit a desired profile and/or a surface shape, two surfaces against each of which the molten parison is pressed to form an adhesive surface on which the corresponding resin skin sheet is formed.Type: GrantFiled: April 30, 2009Date of Patent: October 30, 2018Assignee: KYORAKU CO., LTD.Inventors: Takehiko Sumi, Tadatoshi Tanji
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Publication number: 20180250911Abstract: A foam structural material includes a first core material and a reinforcing material. The first core material has a first portion of a linear groove part formed along an edge of the first core material. The reinforcing material has a first side fitted to the first portion of the linear groove part. The first portion of the linear groove part includes a first engagement plane. The first engagement plane is engaged with the reinforcing material and has one or a plurality of projections formed thereon.Type: ApplicationFiled: May 3, 2018Publication date: September 6, 2018Inventors: Tatsuya FUKUDA, Tadatoshi TANJI, Yoshihiro YAMASAKI
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Patent number: 10022903Abstract: A resin panel includes a first structure and a second structure stacked on each other. The structures includes reference surfaces that serve as the front surface and the back surface of the resin panel respectively. Each of the structures includes a plurality of protrusions protruding inwardly from the reference surface. The protrusions of the structure face the protrusions of the other structure each other. Jutting portions of linear shape are formed between adjacent protrusions of each of the structures. The structures are joined such that apical portions of the protrusions of each structure abut one another.Type: GrantFiled: March 30, 2015Date of Patent: July 17, 2018Assignee: KYORAKU CO., LTD.Inventors: Yu Igarashi, Tadatoshi Tanji, Tatsuya Fukuda
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Patent number: 9987821Abstract: A foam structure includes: a first core material and a second core material that are obtained by splitting a foam body at a linear groove part, the groove part being formed in the foam body for fitting with a reinforcing material, and the reinforcing material into which the first core material and the second core material are respectively fitted from one side and the other side of the reinforcing material.Type: GrantFiled: November 21, 2013Date of Patent: June 5, 2018Assignee: KYORAKU CO., LTD.Inventors: Tatsuya Fukuda, Tadatoshi Tanji, Yoshihiro Yamasaki