Apparatus for compacting granular molding materials by pressuriz

Details Apparatus for compacting granular molding materials by pressuriz Apparatus for compacting granular molding materials by pressuriz

1983-10-13

1986-01-21

Godici, Nicholas P.

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

164 37, B22C 1500

Patent

active

045652350

ABSTRACT:
The apparatus has a plurality of tubular hollow members arranged between the pressure chamber and the molding units, in the pressure surge flow direction, for conducting the gaseous medium to the top of the molding material. With distribution of the pressure medium flow through a plurality of independent and different cross sections, the lifting force required to open the packing element is greatly reduced and the packing element can be opened rapidly.

REFERENCES:
patent: 4529026 (1985-07-01), Kobel et al.

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