US 12,144,403 B2
Fastener tape woven from yarns including plant-derived resin, fastener stringer and method of producing the same
Hiroki Higashitani, Toyama (JP); Mitsuo Tsuzuyama, Toyama (JP); Yuichi Miyazaki, Toyama (JP); and Shinya Sakurai, Toyama (JP)
Assigned to YKK Corporation, Tokyo (JP)
Appl. No. 18/032,638
Filed by YKK Corporation, Tokyo (JP)
PCT Filed Nov. 2, 2020, PCT No. PCT/JP2020/041104
§ 371(c)(1), (2) Date Apr. 19, 2023,
PCT Pub. No. WO2022/091416, PCT Pub. Date May 5, 2022.
Prior Publication US 2023/0380552 A1, Nov. 30, 2023
Int. Cl. A44B 19/54 (2006.01); A44B 19/34 (2006.01); B29D 5/00 (2006.01); D03D 15/217 (2021.01); D03D 15/50 (2021.01)
CPC A44B 19/54 (2013.01) [A44B 19/34 (2013.01); B29D 5/00 (2013.01); D03D 15/217 (2021.01); D03D 15/50 (2021.01); D10B 2401/04 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A fastener tape (6) in which a weft yarn and every ground warp yarn are yarns including plant-derived resin, the fastener tape (6) comprising:
a first side-edge portion including a core cord and a plurality of first ground warp yarns; and
a tape main portion adjacently positioned to the first side-edge portion and including a plurality of second ground warp yarns, wherein
a thermal shrinkage ratio of the first ground warp yarn is greater than a thermal shrinkage ratio of the second ground warp yarn in accordance with a difference in yarn type between the first ground warp yarn and the second ground warp yarn, the first ground warp yarn being FDY (Fully Drawn Yarn) and the second ground warp yarn being DTY (Drawn Textured Yarn).