Slide fastener with cross oriented polymer tapes

Details Slide fastener with cross oriented polymer tapes Slide fastener with cross oriented polymer tapes

1977-10-25

1979-09-11

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

242051C, 112441, 428 52, 156 93, A44B 1934

Patent

active

041670558

ABSTRACT:
Each of the carrier tapes of a slide fastener include respective pairs of superimposed layers or plies of highly oriented polymer through which stitching threads are secured to attach coupling elements to each tape. The molecular orientation of each of the superimposed layers is at an oblique angle to the inner edge of the tapes with the orientation of one layer being transverse to the orientation of the other layer to prevent tearing of the stitches from the tapes.

REFERENCES:
patent: 4045846 (1977-09-01), Moertel

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