Patent ID: 9572406
Date: 2017-02-21
CPC Classifications: A44B,Y10T

Claim:
1. A waterproof slide fastener including: a pair of fastener stringers in which a plurality of synthetic resin fastener elements is injection molded on opposed tape side edge portions of a pair of waterproof tapes provided at least one of tape surfaces with a waterproof layer; a slider slidably attached to an element row including the plurality of fastener elements; and a synthetic resin stopper placed on at least one of ends of the element row, in which the fastener elements includes a first element half placed on a first tape surface side of the waterproof tape and a second element half placed on a second tape surface side of the waterproof tape, and the first and second element halves are integrally connected to each other through first through-holes which are drilled in the tape side edge portion at predetermined intervals from each other, wherein each of the waterproof tapes includes at least one second through-hole drilled in a forming region of the stopper at the same intervals as those of the first through-holes, the stopper includes a body portion with which the slider comes into contact to stop the slider, and an extension portion extending from the body portion in a direction opposite from the element row along a tape length direction, the body portion and the extension portion are integrally molded with each other by injection molding, the body portion and the extension portion include a first half placed on the first tape surface side and a second half placed on the second tape surface side, the body portion and the extension portion are fixed such that the first half and the second half straddle the pair of waterproof tapes, and the first half and the second half are integrally connected to each other through the second through-hole, a thickness dimension of the extension portion is smaller than that of the body portion, the body portion and the extension portion are formed to hold the tape side edge portions of the waterproof tape, and the extension portion is formed up to an end edge of the waterproof tape.