Space forming and stop fixing apparatus for fastener chains

Details Space forming and stop fixing apparatus for fastener chains Space forming and stop fixing apparatus for fastener chains

1982-05-07

1984-10-30

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

Slide fastener or slide fastener element

29 34A, 29767, B29D 500

Patent

active

044792905

ABSTRACT:
In the apparatus for forming a space in and simultaneously fixing a stop to a fastener chain of this invention, a casing is provided with a tubular frame portion in which a punch holder having a space punch and a driver punch is received for sliding movement. This apparatus further includes a cutting punch between the driver punch and the inner wall of the tubular frame portion. When the punch holder descends, the cutting punch cuts a stop forming wire and forms the cut wire length into a stop preform in cooperation with an anvil. As the punch holder further descends, the driver punch drives the stop preform into the tapes of the chain and simultaneously the space punch forms a space in the chain. During this operation, the cutting punch rises relative to the punch holder so as not to damage the tapes.

REFERENCES:
patent: 2385836 (1945-10-01), Norkin et al.
patent: 2701877 (1955-02-01), Morin
patent: 2702064 (1955-02-01), Lange
patent: 2972150 (1961-02-01), Wegrzyn
patent: 2987809 (1961-06-01), Burbank
patent: 3445912 (1969-05-01), Perlman
patent: 3611534 (1971-10-01), Takamatsu
patent: 3872571 (1975-03-01), Douri
patent: 4083269 (1978-04-01), Resch

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