Method for removing fastener elements from a slide fastener chai

Details Method for removing fastener elements from a slide fastener chai Method for removing fastener elements from a slide fastener chai

1979-03-06

1981-01-27

Mehr, Milton S.

Metal working

Method of mechanical manufacture

Disassembling

29770, 294265, B23P 1904

Patent

active

042466814

ABSTRACT:
In the method of the invention, the slide fastener chain is firmly held by gripping the carrier tape at the very boundary with the lower end of the leg portion of the fastener element with a fixed gripper die jaw and a movable gripper die jaw and then the head portion of the fastener element is forcibly pressed toward the leg portion whereby the bifurcated leg portion is widened by the forcible thrusting of the blade edges of the die jaws into the interstices between the legs and the carrier tape with eventual dividing of the fastener element at the head portion into two pieces to come off the stringer core of the carrier tape easily.

REFERENCES:
patent: 2594789 (1952-04-01), Morin
patent: 3863323 (1975-02-01), Takamatsu
patent: 3958319 (1976-05-01), Takamatsu
patent: 4062100 (1977-12-01), Heimberger

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