Patent ID: 6497015
Filing Date: 2002-12-24
Classification: A44B,D03D,D10B,Y10T

Abstract:
A linear slide fastener, wherein linear fastener elements are formed of thermoplastic resin monofilament; with providing a stepped portion in an upper leg portion of each of the linear fastener elements, a portion of the fastener element on a side of a coupling head is formed to be thick while a portion thereof on a side of a connecting portion is formed to be thin; a protruded portion protruded into a coupling space between the upper leg portion and a lower leg portion of each of the linear fastener elements is internally provided on an inner face of the upper leg portion; a slope portion is provided such that the coupling space is expanded gradually from an inside of the coupling head to a base portion of the protruded portion; and the fastener elements are fixed to a fastener tape at the connecting portions with fixing yarn.