Process for gapping slide fastener chain

Details Process for gapping slide fastener chain Process for gapping slide fastener chain

1975-05-28

1977-04-26

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Of a slide fastener

29770, 29427, B21D 5350, B29D 500

Patent

active

040192407

ABSTRACT:
In gapping a stringer of a slide fastener, a plurality of interlocking elements in a portion to be gapped are gripped, such as by a comb, while the tape is clamped or held, and then relative movement is produced between the gripped fastening elements and the held tape either by moving the gripped elements or the held tape with a pivoted motion to pull the gripped elements seriatim from the tape.

REFERENCES:
patent: 3273229 (1966-09-01), Taylor
patent: 3391441 (1968-07-01), Carlile
patent: 3570104 (1971-03-01), Jensen
patent: 3763546 (1973-10-01), Perlman
patent: 3812573 (1974-05-01), Fukuroi
patent: 3852869 (1974-12-01), Shimai

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