Shearing slide fastener chain

Details Shearing slide fastener chain Shearing slide fastener chain

1982-07-26

1984-04-17

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Of a slide fastener

29 332, 29766, B21D 5350, A41H 3706

Patent

active

044425830

ABSTRACT:
Lengths of slide fastener chain are pulled through a shearing station wherein the slide fastener chain is subjected to vibratory shearing at least partially in a direction parallel to the plane of the tapes whereby operating resistance of the chain is substantially reduced.

REFERENCES:
patent: 3750260 (1973-08-01), Jakob
patent: 4238880 (1980-12-01), Takahashi
patent: 4292733 (1981-10-01), Iimura
patent: 4392291 (1983-07-01), Iai

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