Patent ID: 6314623
Filing Date: 2001-11-13
Classification: A44B,Y10T

Abstract:
A coil-type slide fastener including a pair of fastener stringers each having a core cord inserted into coil-shaped fastener elements made of thermoplastic resin, said coil-shaped fastener elements being sewn on an edge portion of a fastener tape of the fastener stringer by multi-thread chain stitch comprised of looper thread and needle thread, wherein compound yam made by compounding synthetic fiber having a low melting point and synthetic fiber having a high melting point is mainly used for said looper thread, entangling points of said looper thread and said needle thread are disposed on a surface of said core cord, and said synthetic fiber of said looper thread that has a low melting point is thermally melted to form melted portions where said looper thread and said needle thread entangle with each other at said entangling points.