Slide fastener stringer

Details Slide fastener stringer Slide fastener stringer

1978-09-27

1980-01-08

Kannan, Philip C.

Buckles, buttons, clasps, etc.

Buckles

One-piece

A44B 1900

Patent

active

041820070

ABSTRACT:
A slide fastener stringer includes a stringer tape and a series of fastener elements sewn to the tape by means of stitches with upper and lower legs of the elements lying one on each side of the tape. The sewing stitches include a needle thread extending across and over the lower element legs and a looper thread having loops extending through the tape and between adjacent elements, and interlooped with the needle thread at the side of the tape on which the lower element legs are disposed. The looper thread further includes loops extending over the upper element legs and interlaced with the first-named loops of the looper thread at the other side of the tape.

REFERENCES:
patent: 3135230 (1964-06-01), Warburton
patent: 3768125 (1973-10-01), Frohlich

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