US 11,744,332 B2
Fastener chain
Toshiyuki Jyogan, Kurobe (JP); and Takashi Saito, Kurobe (JP)
Assigned to YKK Corporation, Tokyo (JP)
Filed by YKK Corporation, Tokyo (JP)
Filed on Dec. 25, 2020, as Appl. No. 17/134,234.
Claims priority of application No. 2019-238802 (JP), filed on Dec. 27, 2019; and application No. 2020-017657 (JP), filed on Feb. 5, 2020.
Prior Publication US 2021/0196010 A1, Jul. 1, 2021
Int. Cl. A44B 19/34 (2006.01); C11D 3/04 (2006.01); C11D 11/00 (2006.01)
CPC A44B 19/34 (2013.01) [C11D 3/044 (2013.01); C11D 11/0017 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A fastener chain comprising:
a pair of fastener stringers which include element rows which are respectively fixed to facing side edge portions of a pair of tapes made of fiber, wherein
a non-fluorine-based water repellent agent is adhered to the fastener chain in a state where the pair of fastener stringers are engaged with each other, and
oil and fat contained in the pair of fastener stringers is 0.12 mass % or less with respect to a total mass of the pair of fastener stringers, wherein
a result of a spray test of JIS L 1092 of the fastener chain after being washed 20 times with JIS L 1930 C4M passes a grade 3 or higher.