Method of manufacturing and interlocking jewelry with precise pr

Details Method of manufacturing and interlocking jewelry with precise pr Method of manufacturing and interlocking jewelry with precise pr

1980-05-05

1981-08-18

Baldwin, Robert D.

Metal working

Method of mechanical manufacture

Utilizing transitory attached element or associated separate...

29453, 164 35, 164 45, 264221, B22C 904

Patent

active

042838312

ABSTRACT:
A method of casting metal so that the finished casting will hold a precise dimension in certain critical areas in order to enable the finished casting to be used as a frame for objects such as coins and medallions which are die struck to precise dimensions. Means of and apparatus for rigidly maintaining the object inside the cast frame by inexpensive means which will not damage the object and which will allow the object to be easily removed from the frame if necessary.

REFERENCES:
patent: 2354026 (1944-07-01), Jungerson

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