Slide fastener and method of making same

Details Slide fastener and method of making same Slide fastener and method of making same

A - Human Necessities

44

B

24/47

A44B 19/00 (2006.01) A44B 19/14 (2006.01) A44B 19/40 (2006.01)

Patent

CA 1125997

ABSTRACT OF THE DISCLOSURE A slide fastener comprising a pair of tapes and res- pective rows of slide-fastener elements individually secured to the tapes. The slide-fastener elements are each bent over an edge of the tape and welded together thermally or ultrasonically. The arms of the fastener-elements are formed along their lateral surface or sides with grooves of increasing depth toward the res- pective tape and weft yarns, interwoven with the warp of the tape, are provided along the edge and are disposed in the grooves to pro- vide torsional stability for the individual coupling elements.

331707

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