Apparatus for cutting down finished slide fasteners

Details Apparatus for cutting down finished slide fasteners Apparatus for cutting down finished slide fasteners

1987-12-28

1989-09-19

Arnold, Bruce Y.

Metal working

Plural diverse manufacturing apparatus including means for...

Slide fastener or slide fastener element

29408, 295661, 29767, 29770, 83921, A41H 3706, B21D 5350, B23P 2300

Patent

active

048668257

ABSTRACT:
An apparatus for cutting down or reducing the length of a finished slide fastener includes a pilot pin disposed immediately adjacent to the rear end of an element clamper and spaced from the rear end of an element cutter by a distance which is equal to the sum of the element pitch of a row of coupling elements and at least a half of the diameter of a monofilament constituting the row of coupling elements. With the pilot pin thus arranged, a length of coupling elements can be removed smoothly without the occurance of draw of a half-cut coupling element. The apparatus also includes a stopper disposed rearwardly of a top end-stop applicator and engageable with a bottom end stop of the slide fastener for setting the length of reduction from the slide fastener.

REFERENCES:
patent: 3872571 (1975-03-01), Douri
patent: 4381593 (1983-05-01), Yoshieda et al.

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