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1. 发明授权

US11970802B2 Fibrous network structure having excellent compression durability 有权
公开(公告)号：US11970802B2
公开(公告)日：2024-04-30
申请号：US16918396
申请日：2020-07-01
申请人： TOYOBO CO., LTD.
发明人： Teruyuki Taninaka , Shinichi Kobuchi , Hiroyuki Wakui
IPC分类号： D04H3/009 , D01D5/24 , D04H3/03 , D04H3/16 , D01D5/253 , D01F6/86
CPC分类号： D04H3/009 , D01D5/24 , D04H3/03 , D04H3/16 , D01D5/253 , D01F6/86 , D10B2331/04
摘要： 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.

2. 发明申请

US20220025561A1 NETWORK STRUCTURE 有权
公开(公告)号：US20220025561A1
公开(公告)日：2022-01-27
申请号：US17297217
申请日：2019-11-27
申请人： TOYOBO CO., LTD.
发明人： Akifumi Yasui , Shinichi Kobuchi
IPC分类号： D04H3/147 , D04H3/011 , D04H3/007 , D04H3/03
摘要： 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.

3. 发明申请

US20180282924A1 NET-LIKE STRUCTURE 审中-公开
公开(公告)号：US20180282924A1
公开(公告)日：2018-10-04
申请号：US15570609
申请日：2016-04-28
申请人： TOYOBO CO., LTD.
发明人： Shinichi Kobuchi , Teruyuki Taninaka , Hiroyuki Wakui , Takahiro Kuramoto , Noriki Fukunishi , Takuo Inoue , Akifumi Yasui
IPC分类号： D04H3/018 , D04H3/011 , D04H3/16 , D04H3/05
摘要： 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.

4. 发明申请

US20200332445A1 FIBROUS NETWORK STRUCTURE HAVING EXCELLENT COMPRESSION DURABILITY 审中-公开
公开(公告)号：US20200332445A1
公开(公告)日：2020-10-22
申请号：US16918396
申请日：2020-07-01
申请人： TOYOBO CO., LTD.
发明人： Teruyuki Taninaka , Shinichi Kobuchi , Hiroyuki Wakui
IPC分类号： D04H3/009 , D04H3/03 , D01D5/24 , D04H3/16
摘要： 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.

5. 发明授权

US10316444B2 Elastic network structure with excellent quietness and lightweight properties 有权
公开(公告)号：US10316444B2
公开(公告)日：2019-06-11
申请号：US15032506
申请日：2014-10-27
申请人： TOYOBO CO., LTD.
发明人： Hiroyuki Wakui , Shinichi Kobuchi , Teruyuki Taninaka
IPC分类号： D04H3/16 , D04H3/018 , D04H3/03 , D04H3/14 , A47C27/12 , A47G9/02 , B60N2/70 , B61D33/00 , D04H3/011 , D04H3/016 , D04H3/077
摘要： 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.

6. 发明申请

US20160010250A1 Fibrous Network Structure Having Excellent Compression Durability 审中-公开
标题翻译：具有优异压缩耐久性的纤维网络结构
公开(公告)号：US20160010250A1
公开(公告)日：2016-01-14
申请号：US14770696
申请日：2013-10-21
申请人： TOYOBO CO., LTD.
发明人： Teruyuki Taninaka , Shinichi Kobuchi , Hiroyuki Wakui
IPC分类号： D04H3/009 , D04H3/03
CPC分类号： D04H3/009 , D01D5/24 , D01D5/253 , D01F6/86 , D04H3/03 , D04H3/16 , D10B2331/04
摘要： 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.
摘要翻译：本发明提供了具有优异的重复压缩耐久性的网络结构，该网络结构具有低的重复压缩残余应变和在重复压缩之后的高硬度保持率。一种网状结构体，其特征在于，包括通过使包含聚酯系热塑性弹性体的连续线状结构的卷曲处理形成无规环状而具有100dtex以上且60000dtex以下的细度而得到的三维无规环状结合结构的网状结构体，通过使每个环在熔融状态下相互接触，其中网状结构的表观密度为0.005g / cm 3至0.20g / cm 3，不超过50％的重复压缩残余应变为15％以下，50 ％压缩硬度保持率不低于85％，经过50％恒定位移重复压缩。

7. 发明申请

US20210115607A1 NET STRUCTURE MANUFACTURING APPARATUS AND NET STRUCTURE MANUFACTURING METHOD 有权
公开(公告)号：US20210115607A1
公开(公告)日：2021-04-22
申请号：US16981838
申请日：2019-03-07
申请人： TOYOBO CO., LTD.
发明人： Takuo Inoue , Takanori Nakamura , Hiroyuki Tsujii , Shinichi Kobuchi
IPC分类号： D04H3/16
摘要： 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.

8. 发明申请

US20180237968A1 NET-LIKE STRUCTURE HAVING EXCELLENT LOW RESILIENCE CHARACTERISTICS 审中-公开
公开(公告)号：US20180237968A1
公开(公告)日：2018-08-23
申请号：US15548505
申请日：2016-02-02
申请人： TOYOBO CO., LTD.
发明人： Teruyuki Taninaka , Takahiro Kuramoto , Shinichi Kobuchi , Hiroyuki Wakui , Tatsushi Okamoto , Akifumi Yasui
IPC分类号： D04H3/037 , D04H3/011 , A47C27/12 , D04H3/14 , D04H3/16 , C08L25/08
CPC分类号： D04H3/037 , A47C27/12 , A63B21/0421 , B68G11/02 , C08L25/08 , D04H3/007 , D04H3/011 , D04H3/016 , D04H3/14 , D04H3/16
摘要： 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%.

9. 发明申请

US20180177306A1 NET-LIKE STRUCTURE 审中-公开
公开(公告)号：US20180177306A1
公开(公告)日：2018-06-28
申请号：US15570498
申请日：2016-04-28
申请人： TOYOBO CO., LTD.
发明人： Shinichi Kobuchi , Teruyuki Taninaka , Hiroyuki Wakui , Takahiro Kuramoto , Noriki Fukunishi , Takuo Inoue , Yasushi Yamada
IPC分类号： A47C31/00 , B68G5/00 , D04H3/018 , D04H3/016 , D04H3/16 , D04H3/03
CPC分类号： A47C31/006 , A47C27/12 , A47G27/02 , A47G27/0212 , A61G5/1043 , B60N2/2881 , B60N2/70 , B68G3/00 , B68G5/00 , D04H3/011 , D04H3/016 , D04H3/018 , D04H3/03 , D04H3/16 , D10B2321/021 , D10B2331/04 , D10B2331/06 , D10B2403/01 , D10B2505/08
摘要： 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%.

10. 发明授权

US09970140B2 Network structure having excellent compression durability 有权
公开(公告)号：US09970140B2
公开(公告)日：2018-05-15
申请号：US15026424
申请日：2014-09-30
申请人： TOYOBO CO., LTD.
发明人： Teruyuki Taninaka , Shinichi Kobuchi , Hiroyuki Wakui
IPC分类号： D04H3/14 , D04H3/007 , D04H3/009 , D04H3/03 , D04H3/16 , A47C27/12 , A47C7/02 , A47D1/00 , A47D15/00 , A47G9/00 , A47G27/02 , B60N2/70 , B60P7/08 , B61D33/00 , B62J1/26 , D04H3/016
CPC分类号： D04H3/14 , A47C7/02 , A47C27/122 , A47D1/00 , A47D15/00 , A47G9/00 , A47G27/0212 , B60N2/70 , B60P7/0823 , B61D33/0035 , B62J1/26 , D04H3/007 , D04H3/009 , D04H3/016 , D04H3/03 , D04H3/16 , D10B2321/02 , D10B2321/08 , D10B2331/02 , D10B2331/10
摘要： 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, whereinThe 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 after 50%-constant displacement repeated compression of not less than 85%.

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