A method for manufacturing chain fastener

摘要

A method of supplying a thermoplastic material to a molding machine (17) for molding the same into a desired formation on slide fastener tapes (T) is disclosed, whereby a composite plastic material consisting in such a predetermined ratio of a fresh supply of material and removed runners (11) and sprues (12) is fed so as to enable homogeneous color distribution of the resulting element chain (10) on the fastener.