Chill moulding process, particularly for metals, and apparatus a

Details Chill moulding process, particularly for metals, and apparatus a Chill moulding process, particularly for metals, and apparatus a

1988-05-23

1990-03-13

Seidel, Richard K.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164119, 164 63, 164155, 164306, 164256, 164 661, 164 701, B22D 1808

Patent

active

049076426

ABSTRACT:
A metallic mold (1) comprises two mold halves (3,4) which define between them a mold cavity connected to blowing means (56). The mold (1) is vertically movably mounted on a chassis (18) rigidly supporting an aspiration channel (16). To aspirate the metal, the mold is sealingly applied against the channel which is immersed in the bath (62). After filling of the mold cavity, the material solidifies in a constriction (26) of the channel. This permits raising the chassis (18) without the mold cavity emptying. Then, the mold (1) is raised relative to the channel (16) to break the material in the constriction and to let fall back into the bath the material (68) which was in the channel. Demolding is effected by separating the mold halves from each other.

REFERENCES:
patent: 2119242 (1938-05-01), Flammang et al.
patent: 2995788 (1961-08-01), Sunday
patent: 3529657 (1970-09-01), Bucy
patent: 3823760 (1974-07-01), Bloomfield et al.
patent: 3862656 (1975-01-01), Weiler
patent: 3900064 (1975-08-01), Chandley et al.
patent: 4425958 (1984-01-01), Luthy et al.
patent: 4550763 (1985-11-01), Nikolov
"Fabrication de Pieces Moulees Par Aspiration Sous Vide (Coulee Par Depression)", Giessereitechnik, Aug. 1960, E 2 422, by A. Ridny, pp. 248-249.

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