Patent ID: 8011070

Claim:
A curved slide fastener comprising element attaching edge portions which have fastener element rows respectively attached along opposing side edge portions of a pair of fastener tapes, wherein at least a partial area of one of the pair of fastener tapes has a first curved portion (A) in which a side edge portion on an opposite side to the element attaching edge portion is curved convexly and outwardly while an area of an other of the fastener tapes opposing the first curved portion (A) has a second curved portion (B) in which the element attaching edge portion is curved convexly toward the element attaching edge portion on an opposing side, and a stretchable member is arranged along an edge portion of the second curved portion (B) on an opposite side to the element attaching edge portion, and the stretchable member is a belt material which stretches in a longitudinal direction, and wherein the belt material stretchable member is a belt material containing elastic fibers stretchable in a warp direction as composition fibers and is bonded along the edge portion of the second curved portion (B) on the opposite side to the element attaching edge portion.