Machine for the manufacture of chains, in particular of the type

Details Machine for the manufacture of chains, in particular of the type Machine for the manufacture of chains, in particular of the type

1982-09-23

1985-01-15

Husar, Francis S.

Chain, staple, and horseshoe making

Chain making

Combined machines

59 20, B21L 700

Patent

active

044931832

ABSTRACT:
A machine for the manufacture of chains of the "rope chain" type for the goldsmithery industry, in which each link is taken from a spiral of wire by means of one or more cuts tangential to the internal profile of the winding. The cuts can be simultaneous or consecutive. The cutting unit includes a pair of blades, the cutting plane of which is adjustable with respect to horizontal so that it can be perpendicular to the coil winding to be cut; it also oscillates between two cutting positions in order to obtain separation of the link with two consecutive cuts in correspondence to two intermittent, 180.degree. one-way rotations of the coil. For chain-linking, a calibrated passage with a decreasing section is provided, in which the take-up unit, after having united a link to those already joined, forces the chain to advance, producing closure of the links with partial overlapping of their contoured extremities.

REFERENCES:
patent: 4175379 (1979-11-01), Tega

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