Method for forming element-free spaces in slide fastener chain

Details Method for forming element-free spaces in slide fastener chain Method for forming element-free spaces in slide fastener chain

1992-04-21

1993-05-25

Echols, P. W.

Metal working

Method of mechanical manufacture

Of a slide fastener

294265, 29770, 83921, B21D 5350

Patent

active

052128636

ABSTRACT:
A method for forming element-free space sections in a slide fastener chain is provided that coupling elements can be efficiently removed by a small force without damaging fastener tapes.
The method for forming element-free space sections in the slide fastener chain comprises the steps of:

REFERENCES:
patent: 3225430 (1965-12-01), Fasciano
patent: 4307499 (1981-12-01), Isella
patent: 4573383 (1986-03-01), Matsumoto

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