Method and machine for the embellishment of precoined metal stri

Details Method and machine for the embellishment of precoined metal stri Method and machine for the embellishment of precoined metal stri

1986-05-02

1988-07-05

Echols, P. W.

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

291606, 72465, B23P 2304, B21F 4300

Patent

active

047545356

ABSTRACT:
The invention relates to the art field of machines for the manufacture of jewelry, and has as its object the embodiment of a machine and the provision of a method that will permit embellishing precoined metal strip, using either continuous stock or discrete lengths. Such a machine makes use of a support on which to position the strip, a packing medium with which to bolster the coined imprints and protect the support, a method for tensioning the strip, and tools, and enables crafting of the embellishment quickly and economically by virtue of the design of the support, which is substantially circular, split into identical and symmetrical halves, and composed of a base and an intermediate layer. This intermediate layer is embodied in an insulating material, and incorporates open-topped channels which accommodate small-bore tube for the circulation of refrigerant and is covered over by a permeable barrier strip. Water injected via the channels into the coined imprints of the strip is frozen by the refrigerant in such a way as to form ice, the packing material by means of which the requisite support and protection are obtained according to the method disclosed.

REFERENCES:
patent: 1802033 (1931-04-01), Parker
patent: 4059000 (1977-11-01), Bodnar

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