Patent ID: 9237782
Filing Date: 2016-01-19
CPC Classification: A44B,Y10T

Claim Text:
1. A slide fastener comprising: a pair of fastener tapes; a pair of fastener element rows respectively including a plurality of fastener elements arranged in a tape longitudinal direction along opposing tape-side edge portions of the pair of fastener tapes, and coupling yarns coupling the plurality of fastener elements which are adjacent to each other in the tape longitudinal direction, the fastener element rows respectively sewn to the tape-side edge portions; and a slider configured to engage and disengage the pair of fastener element rows, wherein each of the fastener elements includes: wherein the pair of fastener tapes have stretchability in the tape longitudinal direction, and wherein a dimension of the engaging head portion in the tape longitudinal direction is set to be larger than a dimension between the tip end portions of the pair of shoulder portions in the tape longitudinal direction.