Method and apparatus for removing fastener elements from a slide

Details Method and apparatus for removing fastener elements from a slide Method and apparatus for removing fastener elements from a slide

1979-03-26

1980-09-30

Combs, Ervin M.

Metal working

Method of mechanical manufacture

Of a slide fastener

29770, 83921, B21D 5350, B23P 1904, B29D 500

Patent

active

042247306

ABSTRACT:
An efficient and reliable means is provided for removing fastener elements or scoops from the tape-edge cords of a slide fastener chain to form the so-called space section without injuring the cords and beads, wherein carrier tape is held between a pair of holder members in a manner such that the ends of the bifurcated leg portions of fastener chain element are in contact with the ends of the holder members; each fastener chain element is cut and divided at the head portion by a wedge-like cutter blade into two pieces with simultaneous opening of the holder members whereby the bifurcated leg portions are outstretched and the scraping of element debris off the carrier tape is facilitated; and the tape-edge cord is withdrawn into between the two holder members before it is contacted by the edge of the downward cutter blade.

REFERENCES:
patent: 2594789 (1952-04-01), Morin
patent: 2816648 (1957-12-01), Firing
patent: 3391441 (1968-07-01), Carlile
patent: 3490133 (1970-01-01), Glindmeyer et al.
patent: 3611545 (1971-10-01), Takamatsu
patent: 3685130 (1972-08-01), Doerter
patent: 3812573 (1974-05-01), Fukuroi
patent: 3852869 (1974-12-01), Shimai
patent: 3863323 (1975-02-01), Takamatsu
patent: 3958319 (1976-05-01), Takamatsu

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