One-shot multi-color gold casting apparatus and casting tree

Details One-shot multi-color gold casting apparatus and casting tree One-shot multi-color gold casting apparatus and casting tree

1998-05-20

1998-11-24

Batten, Jr., J. Reed

Metal founding

Means to shape a forming surface

Pattern

164246, 164361, 164376, 249 62, B22C 702, B22C 904

Patent

active

058394990

ABSTRACT:
The apparatus includes a rubber base with two inlets, a two-chamber ceramic crucible with two identical outlets, and a model of the jewelry item with two sprues connected to two separate tree stems, with each sprue connected to a separate stem thus ensuring flow of different colors or different metals. Simultaneous casting of two different metal alloys of different colors in two separate chambers of the crucible is achieved by using a specially constructed two-head torch.

REFERENCES:
patent: 4246954 (1981-01-01), Cohen et al.
patent: 4614217 (1986-09-01), Keaton
patent: 4700760 (1987-10-01), Weingarten
patent: 4706730 (1987-11-01), Sanchez-Caldera et al.

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