Woven slide fastener stringer

Details Woven slide fastener stringer Woven slide fastener stringer

A - Human Necessities

44

B

139/65

A44B 19/40 (2006.01)

Patent

CA 1307185

ABSTRACT OF THE DISCLOSURE In a woven slide fastener stringer in which a gap-filling warp thread extends under successive loops of a coiled plastic filament and alternately over and under picks of a foundation weft thread so as to pull portions of the foundation weft thread between the outermost upper binding warp thread and the next upper binding warp thread toward the lower side of the tape substantially halfway between the upper and lower legs of the respective loops, at least one pair of space-retaining warp threads is disposed between the outermost upper binding warp thread and the next upper binding warp thread. The space- retaining warp threads extend alternately over and under the upper and lower legs of the successive filament loops so as to clamp the individual loops, thus keeping the latter in proper upright posture and free from staggering pitch.

553724

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