Method and apparatus for manufacturing slide fastener stringer w

Details Method and apparatus for manufacturing slide fastener stringer w Method and apparatus for manufacturing slide fastener stringer w

1975-10-20

1976-10-26

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Of a slide fastener

29407, 292075R, 112104, 112265, B21D 5352, B21F 4518, B29D 500

Patent

active

039875334

ABSTRACT:
In the manufacture of a slide fastener stringer, the relative count of fastening elements per unit length of the tape of the stringer being manufactured is continuously monitored and used as a feedback control to adjust the relative rate of advancement of either a train of fastening elements or a stringer-tape-forming member.

REFERENCES:
patent: 2661044 (1953-12-01), Schewermann
patent: 2942336 (1960-06-01), Hansen
patent: 3070048 (1962-12-01), Morin
patent: 3487531 (1970-01-01), Cuckson et al.
patent: 3548482 (1970-12-01), Graf
patent: 3570104 (1971-03-01), Jensen

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