Process for the automatic production of ornamental link chains

Details Process for the automatic production of ornamental link chains Process for the automatic production of ornamental link chains

1989-08-23

1990-11-27

Jones, David

Chain, staple, and horseshoe making

Chain making

Combined machines

59 18, 59 351, 59 80, B21L 700

Patent

active

049726706

ABSTRACT:
A method for rendering automatic the production of ornamental chains of the kind known as "partridge's eye" and the like, wherein two link elements shaped as a turn are linked to form a link of the chain so that the free ends of one are roughly at the center of the other. Then the link is compressed transversally and axially to cross said end portions of the two link elements, so that the free ends of one element come into contact with the internal contour of the other. The link formed in this way is twisted, at its ends, welded in correspondence with the overlap points of the two link elements, and then linked to a link element suitable to form the subsequent links.

REFERENCES:
patent: 2617250 (1952-11-01), Kunzmann et al.
patent: 2893201 (1959-07-01), Jaeger
patent: 3342024 (1967-09-01), Campbell, Jr. et al.
patent: 4175379 (1979-11-01), Tega
patent: 4275555 (1981-06-01), Bichi
patent: 4503664 (1985-03-01), Allazzetta et al.
patent: 4548031 (1985-10-01), Massimo et al.

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