Slide fastener made of synthetic resin.

摘要

A slide fastener of synthetic resin which has regularly spaced elements formed and fixed to the edge of fastener tape by the injection molding of the molten mass of the synthetic resin is disclosed. The fastener tape is formed of polyethylene terephthalate and the elements of slide fastener are made of a polymer alloy of polybutylene terephthalate with polypropylene or polyethylene terephthalate.