Method for operating on continuous slide fastener chain

Details Method for operating on continuous slide fastener chain Method for operating on continuous slide fastener chain

1979-12-31

1982-01-19

Smith, James G.

Metal working

Method of mechanical manufacture

Of a slide fastener

B23P 1100

Patent

active

043109616

ABSTRACT:
In performing operations on a continuous slide fastener chain at spaced locations therealong, the slide fastener chain is incrementally advanced to successively advance the spaced locations to an operating station. The chain is advanced from a reel which is braked only when a loop of maximum size is sensed in a loop forming mechanism. Tension is relieved in the slide fastener stringer by means of a continuously rotating capstan which will grip the slide fastener stringer to advance the chain and overcome inertia of the reel.

REFERENCES:
patent: 2885774 (1959-05-01), Waldes
patent: 3485691 (1969-12-01), Waldes
patent: 3765348 (1973-10-01), Jabor et al.
patent: 3831474 (1974-08-01), Perlman
patent: 3872571 (1975-03-01), Douri
patent: 3947946 (1976-04-01), Omori et al.
patent: 4242785 (1981-01-01), Shimai

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