Low pressure casting apparatus

Details Low pressure casting apparatus Low pressure casting apparatus

1993-07-19

1994-10-18

Bradley, P. Austin

Metal founding

Means to apply vacuum directly to work or to hold or...

Means applying vacuum or suction directly to molten casting...

B22D 1806

Patent

active

053559347

ABSTRACT:
A suction casting apparatus is disclosed, which comprises a ventilating casting die, a chamber box and a surface peat for supporting the casting die and chamber box. The surface plate has a a through hole for passing a stalk therethrough, and its surface is formed with grooves which extend from the through hole to an area outside a die mounting area and inside a chamber box mounting area. External air entering through a sealed clearance between the surface plate and the stalk and combustion gas generated from the casting die are quickly led through the grooves into the chamber inner space to be quickly exhausted to the outside.

REFERENCES:
patent: 5088546 (1992-02-01), Greanias et al.
patent: 5230379 (1993-07-01), Voss

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