Slide fastener stringer

Details Slide fastener stringer Slide fastener stringer

A - Human Necessities

44

B

24/47

A44B 19/00 (2006.01) A44B 19/12 (2006.01) A44B 19/34 (2006.01)

Patent

CA 1225513

ABSTRACT OF THE DISCLOSURE A slide fastener stringer has a special core cord extending through a tunnel-like space in a row of coiled coupling elements and sewn together with the latter to a stringer tape. The core cord of the disclosed embodiment comprises a plurality of threads, each having a plurality of textured multifilament yarns which is bulky, stretchable, substantially uniform in diameter and free of lint. The advance in the art is in that the coupling elements are less likely to become undulated or out of alignment in the longitudinal direction thereof. Furthermore, the stringer is easily penetrable by a sewing needle, with the result that the stringer does not contract during the sewing which has beneficial influence on the smoothness of the operation of the eventually assembled fastener.

418203

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