Precision investment casting apparatus with reservoir blocks

Details Precision investment casting apparatus with reservoir blocks Precision investment casting apparatus with reservoir blocks

1975-05-01

1976-10-12

Baldwin, Robert D.

Metal founding

Means to shape a forming surface

Pattern

164244, 164246, 164DIG4, B22C 702

Patent

active

039851788

ABSTRACT:
Precision investment casting of small parts with fine detail and free of air inclusions is achieved by the use of flat sided blocks of a relatively high melting point plastic material received upon elongated tubes or rods of the same or similar material. The shape and size of the blocks permit a large number of small parts to be cast at the same time and provide reservoirs for the molten casting metal close adjacent the casting cavity.

REFERENCES:
patent: 3340923 (1967-09-01), Benfield
patent: 3610317 (1971-10-01), Benfield et al.
patent: 3648760 (1972-03-01), Cooper
patent: 3830285 (1974-08-01), Schrader

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