US 12,420,520 B2
Three-layered core-spun webbing, and seat comprising webbing
Yuehai Ao, Zhejiang (CN)
Assigned to JIAXING PORT QUANSHUN WEBBING CO., LTD., Jiaxing (CN)
Appl. No. 17/615,654
Filed by JIAXING PORT QUANSHUN WEBBING CO.,LTD., Zhejiang (CN)
PCT Filed Mar. 20, 2020, PCT No. PCT/CN2020/080366
§ 371(c)(1), (2) Date Dec. 1, 2021,
PCT Pub. No. WO2020/253291, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 201920917509.0 (CN), filed on Jun. 18, 2019.
Prior Publication US 2022/0332080 A1, Oct. 20, 2022
Int. Cl. B32B 1/08 (2006.01); B32B 5/02 (2006.01); B32B 5/12 (2006.01); B32B 27/12 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01)
CPC B32B 1/08 (2013.01) [B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 5/12 (2013.01); B32B 27/12 (2013.01); B32B 27/304 (2013.01); B32B 27/32 (2013.01); B32B 2250/03 (2013.01); B32B 2255/02 (2013.01); B32B 2307/73 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A three-layer core-spun webbing, comprising a woven layer and an inner core, wherein the inner core comprises a filling layer and an interlayer made of waterproof material, the filling layer is filled inside the interlayer, and the outer surface of the interlayer is in contact with an inner side of the woven layer,
wherein the filling layer is polyester or polypropylene filaments and yarns,
wherein the inner core is in a circular strip shape,
wherein the woven layer is made of yarns or filaments of polyester or acrylic or polypropylene or nylon materials, and
wherein an outer surface of the interlayer is a roughened surface.