Machine for straightening metal wire

Details Machine for straightening metal wire Machine for straightening metal wire

1978-09-12

1981-04-14

Larson, Lowell A.

Wireworking

Wire straightening

242 80, 2421582, B21F 102

Patent

active

042613965

ABSTRACT:
A machine for straightening metal wire comprises a wire unwinding device rotatable about an axis which is at right-angles to the axis of rotation of a drum forming a part of the unwinding device and which passes through guide means at the outlet of the unwinding device such that this axis coincides with the trajactory of the unwound wire. The machine also comprises means for straightening the wire and means for winding the straightened wire comprising a small drum and a large drum mounted on drive shafts drivable in a helical movement with a pitch corresponding to the width or the diameter of the straightened wire, in order to obtain uniform close helical winding on the drum without overlapping. The winding drum may be retracted when not in use.
The machine makes it possible for wire of small diameter or thickness to be straightened continuously, in particular for the manufacture of springs for clock-making.

REFERENCES:
patent: 1848982 (1932-03-01), Webb
patent: 1881019 (1932-10-01), McFarland
patent: 3212947 (1965-10-01), Vanzo
patent: 4083515 (1978-04-01), Dickerson

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