Chain – staple – and horseshoe making – Chain making – Combined machines
Patent
1989-01-25
1990-06-12
Jones, David
Chain, staple, and horseshoe making
Chain making
Combined machines
59 20, 59 23, 59 25, B21L 700
Patent
active
049322036
ABSTRACT:
A machine for the production of an ornamental chain known as "bow-type" chain, the chain consisting of a sequence of large links, twisted in a figure-of-eight shape and incorporating a smaller link, linked together by smaller links. The machine comprises a first and a second station for forming and linking the small links and the large links and a transportation gripper which, beside transferring the chain in formation from one station to the other one, takes part in the formation of the links in both stations. An auxiliary gripper is provided which is integral with the transportation gripper, for the positioning of the smaller link on the large link, while the latter is twisted to incorporate the small link. Two small links for every large link are produced in the respective stations and, during the production of the small links to be incorporated in the large links, the large link production station is temporarily stopped.
REFERENCES:
patent: 4127987 (1978-12-01), Tega et al.
patent: 4175379 (1979-11-01), Tega
patent: 4311003 (1982-01-01), Tega
patent: 4503664 (1985-03-01), Allazzetta et al.
patent: 4548031 (1985-10-01), Massimo et al.
Bucefari Massimo
Lapini Corrado
Lazzarini Michele
C.M.S.S.p.A. Costruzione Macchine Speciali
Jones David
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