Shelling apparatus and methods for investment casting

Details Shelling apparatus and methods for investment casting Shelling apparatus and methods for investment casting

2006-04-04

2006-04-04

Lin, Kuang Y. (Department: 1725)

Metal founding

Means to shape a forming surface

Shell type mold making machine

Reexamination Certificate

active

07021362

ABSTRACT:
An apparatus for shelling an investment casting pattern has a tank containing a coating material. There are means for holding the pattern immersed in the coating material. There may be means for vibrating the pattern during immersion of the pattern and a vacuum source coupled to the tank to withdraw air from at least one headspace of the tank.

REFERENCES:
patent: 3812898 (1974-05-01), Horton
patent: 5967218 (1999-10-01), Pergande et al.
patent: 6513567 (2003-02-01), Collins et al.
patent: 24 44 515 (1976-04-01), None
patent: 62-214849 (1987-09-01), None

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