Method of finishing a slide fastener chain

Details Method of finishing a slide fastener chain Method of finishing a slide fastener chain

B - Operations, Transporting

29

D

26/168

B29D 5/00 (2006.01) A44B 19/34 (2006.01) A44B 19/42 (2006.01)

Patent

CA 1145124

ABSTRACT OF THE DISCLOSURE A method is disclosed whereby a pair of stringers for slide fasteners are subjected to heat treatment to permit the fibers of stringer tapes to be contracted particularly in the region of longitudinal edge portions of the tapes where rows of fastener elements are secured. The thus contracted tape edges are further shaped by compression molding so as to present a transverse cross section complimentary with that of a guide channel in a slider.

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