Patents by Inventor Shinichi KOBUCHI
Shinichi KOBUCHI 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: 11970802Abstract: The present invention provides a network structure having excellent repeated compression durability, the network structure having a low repeated compression residual strain and a high hardness retention after repeated compression. A network structure comprising a three-dimensional random loop bonded structure obtained by forming random loops with curling treatment of a continuous linear structure including a polyester-based thermoplastic elastomer and having a fineness of not less than 100 dtex and not more than 60000 dtex, and by making each loop mutually contact in a molten state, wherein the network structure has an apparent density of 0.005 g/cm3 to 0.20 g/cm3, a 50%-constant displacement repeated compression residual strain of not more than 15%, and a 50%-compression hardness retention of not less than 85% after 50%-constant displacement repeated compression.Type: GrantFiled: July 1, 2020Date of Patent: April 30, 2024Assignee: TOYOBO CO., LTD.Inventors: Teruyuki Taninaka, Shinichi Kobuchi, Hiroyuki Wakui
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Patent number: 11926941Abstract: A net structure manufacturing apparatus (1) comprising: a nozzle (10) having a discharge hole (11) from which melted thermoplastic resin is extruded so as to be formed as a filament; a water tank (20) disposed below the nozzle (10); a conveying device (30) provided to the water tank (20) and configured to convey a net structure (60) having a resin as the filament (12); and a gas ejection device (40) provided to the water tank (20) and configured to eject gas.Type: GrantFiled: March 7, 2019Date of Patent: March 12, 2024Assignee: TOYOBO CO., LTD.Inventors: Takuo Inoue, Takanori Nakamura, Hiroyuki Tsujii, Shinichi Kobuchi
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Publication number: 20220025561Abstract: The network structure has a three-dimensional random loop bonded structure composed of a thermoplastic elastomer continuous linear body having a fiber diameter of not less than 0.1 mm and not more than 3.0 mm, wherein the thermoplastic elastomer continuous linear body is complexed with a polyester-based thermoplastic elastomer and a polystyrene-based thermoplastic elastomer, and the network structure has a 70° C. compressive residual strain of not more than 35% and a rebound resilience of not more than 10%. Thereby, a network structure having a high vibration absorption property and being superior in thermal settling resistance is provided.Type: ApplicationFiled: November 27, 2019Publication date: January 27, 2022Applicant: TOYOBO CO., LTD.Inventors: Akifumi Yasui, Shinichi Kobuchi
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Publication number: 20210115607Abstract: A net structure manufacturing apparatus (1) comprising: a nozzle (10) having a discharge hole (11) from which melted thermoplastic resin is extruded so as to be formed as a filament; a water tank (20) disposed below the nozzle (10); a conveying device (30) provided to the water tank (20) and configured to convey a net structure (60) having a resin as the filament (12); and a gas ejection device (40) provided to the water tank (20) and configured to eject gas.Type: ApplicationFiled: March 7, 2019Publication date: April 22, 2021Applicant: TOYOBO CO., LTD.Inventors: Takuo Inoue, Takanori Nakamura, Hiroyuki Tsujii, Shinichi Kobuchi
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Patent number: 10934644Abstract: To provide a net-like structure having excellent low resilience characteristics, cushioning properties, and durability. The net-like structure has a three-dimensional random loop bonded structure constituted of a continuous linear body made of a thermoplastic elastomer having a fiber diameter of 0.1-3.0 mm and a styrene content of 10-40 mass %, the net-like structure having an apparent density of 0.005-0.30 g/cm3 and a 40° C. compression residual strain of less than or equal to 35%.Type: GrantFiled: February 2, 2016Date of Patent: March 2, 2021Assignee: TOYOBO CO., LTD.Inventors: Teruyuki Taninaka, Takahiro Kuramoto, Shinichi Kobuchi, Hiroyuki Wakui, Tatsushi Okamoto, Akifumi Yasui
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Publication number: 20200332445Abstract: The present invention provides a network structure having excellent repeated compression durability, the network structure having a low repeated compression residual strain and a high hardness retention after repeated compression. A network structure comprising a three-dimensional random loop bonded structure obtained by forming random loops with curling treatment of a continuous linear structure including a polyester-based thermoplastic elastomer and having a fineness of not less than 100 dtex and not more than 60000 dtex, and by making each loop mutually contact in a molten state, wherein the network structure has an apparent density of 0.005 g/cm3 to 0.20 g/cm3, a 50%-constant displacement repeated compression residual strain of not more than 15%, and a 50%-compression hardness retention of not less than 85% after 50%-constant displacement repeated compression.Type: ApplicationFiled: July 1, 2020Publication date: October 22, 2020Applicant: TOYOBO CO., LTD.Inventors: Teruyuki Taninaka, Shinichi Kobuchi, Hiroyuki Wakui
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Patent number: 10316444Abstract: The present invention provides an elastic network structure that has excellent cushioning properties and makes less sound when it is compressed and recovers its shape. A network structure including a three-dimensional random loop bonded structure obtained by forming random loops by curling treatment of a continuous linear structure comprising a thermoplastic resin, and by making each loop mutually contact in a molten state to weld the majority of contacted parts, wherein (a) the continuous linear structure is a hollow cross section, (b) the degree of hollowness of the hollow cross section is not less than 10% and not more than 50%, (c) the fiber diameter of the continuous linear structure is not less than 0.10 mm and not more than 0.65 mm, and (d) the number of bonded points per unit weight of the random loop bonded structure is not less than 200/g and less than 500/g.Type: GrantFiled: October 27, 2014Date of Patent: June 11, 2019Assignee: TOYOBO CO., LTD.Inventors: Hiroyuki Wakui, Shinichi Kobuchi, Teruyuki Taninaka
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Publication number: 20180282924Abstract: A net-like structure has a three-dimensional random loop bonded structure constituted of a thermoplastic elastomer continuous linear body having a fiber size of greater than or equal to 0.1 mm and less than or equal to 3.0 mm. The net-like structure has, in the thickness direction, a solid-section fiber main region mainly including solid-section fibers, a hollow-section fiber main region mainly including hollow-section fibers, and a mixed region including solid-section fibers and hollow-section fibers in a mixed state, located between the solid-section fiber main region and the hollow-section fiber main region. Both solid-section fiber main region-side residual strain of the net-like structure and hollow-section fiber main region-side residual strain of the net-like structure are less than or equal to 20%, and the difference between the solid-section fiber main region-side residual strain and the hollow-section fiber main region-side residual strain is less than or equal to 10 points.Type: ApplicationFiled: April 28, 2016Publication date: October 4, 2018Applicant: TOYOBO CO., LTD.Inventors: Shinichi Kobuchi, Teruyuki Taninaka, Hiroyuki Wakui, Takahiro Kuramoto, Noriki Fukunishi, Takuo Inoue, Akifumi Yasui
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Publication number: 20180237968Abstract: To provide a net-like structure having excellent low resilience characteristics, cushioning properties, and durability. The net-like structure has a three-dimensional random loop bonded structure constituted of a continuous linear body made of a thermoplastic elastomer having a fiber diameter of 0.1-3.0 mm and a styrene content of 10-40 mass %, the net-like structure having an apparent density of 0.005-0.30 g/cm3 and a 40° C. compression residual strain of less than or equal to 35%.Type: ApplicationFiled: February 2, 2016Publication date: August 23, 2018Applicant: TOYOBO CO., LTD.Inventors: Teruyuki Taninaka, Takahiro Kuramoto, Shinichi Kobuchi, Hiroyuki Wakui, Tatsushi Okamoto, Akifumi Yasui
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Publication number: 20180177306Abstract: A net-like structure of the present invention is one having a three-dimensional random loop bonded structure constituted of a thermoplastic elastomer continuous linear body, wherein the net-like structure has, in a thickness direction thereof, a thin fiber main region, a thick fiber main and a mixed region that is located between the thin fiber main region and the thick fiber main region and includes the thin fibers and the thick fibers in a mixed state, the fiber size of the thick fibers is greater than that of the thin fibers by greater than or equal to 0.07 mm, and the residual strain after 750 N constant load repeated compression at pressurization from the side of the thin fiber main region of the net-like structure is less than or equal to 15%.Type: ApplicationFiled: April 28, 2016Publication date: June 28, 2018Applicant: TOYOBO CO., LTD.Inventors: Shinichi Kobuchi, Teruyuki Taninaka, Hiroyuki Wakui, Takahiro Kuramoto, Noriki Fukunishi, Takuo Inoue, Yasushi Yamada
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Patent number: 9970140Abstract: The present invention provides a network structure having excellent repeated compression durability, a low repeated compression residual strain and a high hardness retention after repeated compression. A network structure made of a three-dimensional random loop bonded structure obtained by forming random loops with curling treatment of a continuous linear structure including at least one thermoplastic elastic resin selected from the group consisting of a polyolefin-based thermoplastic elastomer, an ethylene-vinyl acetate copolymer, a polyurethane-based thermoplastic elastomer and a polyamide-based thermoplastic elastomer, the continuous linear structure having a fineness of not less than 100 dtex and not more than 60000 dtex, and by making each loop mutually contact in a molten state, wherein The network structure has an apparent density of 0.005 g/cm3 to 0.Type: GrantFiled: September 30, 2014Date of Patent: May 15, 2018Assignee: TOYOBO CO., LTD.Inventors: Teruyuki Taninaka, Shinichi Kobuchi, Hiroyuki Wakui
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Patent number: 9938649Abstract: A network structure is disclosed including a three-dimensional random loop bonded structure obtained by forming random loops with curling treatment of a continuous linear structure including at least one thermoplastic elastomer selected from a polyester-based thermoplastic elastomer, a polyolefin-based thermoplastic elastomer, and an ethylene-vinyl acetate copolymer, and by making each loop mutually contact in a molten state, wherein a fiber diameter of the continuous linear structure is not less than 0.1 mm and not more than 3.0 mm, a fiber diameter of a surface layer portion of the network structure is not less than 1.05 times of a fiber diameter of an inner layer portion thereof, an apparent density is not less than 0.01 g/cm3 and not more than 0.20 g/cm3, 750 N-constant load repeated compression residual strain is not more than 15%, and 40%-compression hardness retention after 750 N-constant load repeated compression is not less than 55%.Type: GrantFiled: October 28, 2014Date of Patent: April 10, 2018Assignee: TOYOBO CO., LTD.Inventors: Teruyuki Taninaka, Shinichi Kobuchi, Hiroyuki Wakui
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Publication number: 20160251790Abstract: The present invention provides an elastic network structure that has excellent cushioning properties and makes less sound when it is compressed and recovers its shape. A network structure including a three-dimensional random loop bonded structure obtained by forming random loops by curling treatment of a continuous linear structure comprising a thermoplastic resin, and by making each loop mutually contact in a molten state to weld the majority of contacted parts, wherein (a) the continuous linear structure is a hollow cross section, (b) the degree of hollowness of the hollow cross section is not less than 10% and not more than 50%, (c) the fiber diameter of the continuous linear structure is not less than 0.10 mm and not more than 0.65 mm, and (d) the number of bonded points per unit weight of the random loop bonded structure is not less than 200/g and less than 500/g.Type: ApplicationFiled: October 27, 2014Publication date: September 1, 2016Applicant: TOYOBO CO., LTD.Inventors: Hiroyuki Wakui, Shinichi Kobuchi, Teruyuki Taninaka
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Publication number: 20160251789Abstract: A network structure is disclosed including a three-dimensional random loop bonded structure obtained by forming random loops with curling treatment of a continuous linear structure including at least one thermoplastic elastomer selected from a polyester-based thermoplastic elastomer, a polyolefin-based thermoplastic elastomer, and an ethylene-vinyl acetate copolymer, and by making each loop mutually contact in a molten state, wherein a fiber diameter of the continuous linear structure is not less than 0.1 mm and not more than 3.0 mm, a fiber diameter of a surface layer portion of the network structure is not less than 1.05 times of a fiber diameter of an inner layer portion thereof, an apparent density is not less than 0.01 g/cm3 and not more than 0.20 g/cm3, 750 N-constant load repeated compression residual strain is not more than 15%, and 40%-compression hardness retention after 750 N-constant load repeated compression is not less than 55%.Type: ApplicationFiled: October 28, 2014Publication date: September 1, 2016Applicant: TOYOBO CO., LTD.Inventors: Teruyuki Taninaka, Shinichi Kobuchi, Hiroyuki Wakui
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Publication number: 20160237603Abstract: The present invention provides a network structure having excellent repeated compression durability, a low repeated compression residual strain and a high hardness retention after repeated compression. A network structure made of a three-dimensional random loop bonded structure obtained by forming random loops with curling treatment of a continuous linear structure including at least one thermoplastic elastic resin selected from the group consisting of a polyolefin-based thermoplastic elastomer, an ethylene-vinyl acetate copolymer, a polyurethane-based thermoplastic elastomer and a polyamide-based thermoplastic elastomer, the continuous linear structure having a fineness of not less than 100 dtex and not more than 60000 dtex, and by making each loop mutually contact in a molten state, wherein The network structure has an apparent density of 0.005 g/cm3 to 0.Type: ApplicationFiled: September 30, 2014Publication date: August 18, 2016Applicant: TOYOBO CO., LTD.Inventors: Teruyuki TANINAKA, Shinichi KOBUCHI, Hiroyuki WAKUI
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Publication number: 20160010250Abstract: The present invention provides a network structure having excellent repeated compression durability, the network structure having a low repeated compression residual strain and a high hardness retention after repeated compression. A network structure comprising a three-dimensional random loop bonded structure obtained by forming random loops with curling treatment of a continuous linear structure including a polyester-based thermoplastic elastomer and having a fineness of not less than 100 dtex and not more than 60000 dtex, and by making each loop mutually contact in a molten state, wherein the network structure has an apparent density of 0.005 g/cm3 to 0.20 g/cm3, a 50%-constant displacement repeated compression residual strain of not more than 15%, and a 50%-compression hardness retention of not less than 85% after 50%-constant displacement repeated compression.Type: ApplicationFiled: October 21, 2013Publication date: January 14, 2016Applicant: TOYOBO CO., LTD.Inventors: Teruyuki Taninaka, Shinichi Kobuchi, Hiroyuki Wakui
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Publication number: 20150008690Abstract: A suction structure includes a fixing base, a pad, and a support body. The fixing base includes an annular wall portion. The pad includes a contact portion which makes contact with a target object to be sucked. The support body is installed on an inner circumferential surface of the annular wall portion, and the support body is configured to elastically support an outer circumferential surface of the pad at a lateral side of the pad. Further, the pad and the support body define an inner space, and the fixing base includes a suction hole which brings the inner space into communication with a vacuum source.Type: ApplicationFiled: July 7, 2014Publication date: January 8, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventor: Shinichi KOBUCHI
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Publication number: 20140219749Abstract: A substrate processing apparatus includes a housing, a transfer robot, and a robot controller. The housing discharges downflow air from a bottom wall side. The transfer robot disposed inside the housing includes an elevating mechanism that vertically moves an arm section capable of holding a conveyed article. The robot controller disposed inside the housing has a cover whose two surfaces are opened, the opened two surfaces being a bottom surface and a side surface that faces a side surface on which a fan is disposed.Type: ApplicationFiled: April 7, 2014Publication date: August 7, 2014Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventor: Shinichi KOBUCHI