Mold surface treatment process and mold

Details Mold surface treatment process and mold Mold surface treatment process and mold

1988-09-01

1990-06-19

Seidel, Richard K.

Metal founding

Process

Shaping a forming surface

164138, 427134, B22C 300

Patent

active

049344404

ABSTRACT:
A mold surface treatment process comprises: providing a fluidized bed of a treating powder; holding the mold in the fluidized bed to fill up the depressions of the mold surfaces with the treating powder by employing a surface treating member for pushing the treating powder into the depressions; and taking the mold out of the fluidized bed. The mold surface treatment allows to make molten metal less likely penetrate into the walls of mold, and to manufacture a mold which generates less amount of gum causing defects during casting.

REFERENCES:
patent: 3520711 (1970-07-01), Bish et al.
patent: 4691756 (1987-09-01), Suzuki et al.

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