Metal working – Method of mechanical manufacture – Jewelry or locket making
Patent
1995-08-14
1998-03-03
Echols, P. W.
Metal working
Method of mechanical manufacture
Jewelry or locket making
264138, 264220, 264221, 264227, B29C 3340, B29C 3702, B21F 4300
Patent
active
057221669
ABSTRACT:
In the manufacture of a shaped part, which consists of different materials and includes a support body and a cover, which covers the support body at least in part, economical and rational production can be achieved in which the following process steps are provided: at least one model version of the shaped part in the original size is made out of shapeable material, a cover mold is made by using a model version in its original size, a model version of the original size is cut down to the contour of the support body and is thus used as a model for producing a support body mold, by means of which the support body is produced, and the cover mold is filled with a filling, which constitutes the cover and can be subsequently solidified, into which the previously made support body is embedded, and which is then solidified.
REFERENCES:
patent: 2118468 (1938-05-01), Jungersen
patent: 3964284 (1976-06-01), Boultinghouse
patent: 4254544 (1981-03-01), Barker
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