Device for compacting granular molding material

Details Device for compacting granular molding material Device for compacting granular molding material

1994-10-27

1995-12-19

Batten, Jr., J. Reed

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

164169, B22C 1500, B22C 1528

Patent

active

054761360

ABSTRACT:
The device comprises a pressure housing for storing a gaseous medium under pressure, a pattern plate for supporting a pattern, and a molding box of height H associated with the pattern plate and defining therewith a molding space for receiving the granular molding material to be compacted. A valve separates the pressure housing from the molding space, and selectively communicates the gaseous medium in the pressure housing with the molding space for compacting the granular molding material. A mechanical compaction plate is mounted in the molding space and defines with the pattern plate a volume of dead space. An adjustment element varies the volume of the dead space.

REFERENCES:
patent: 4588017 (1986-05-01), Damm et al.
patent: 5148852 (1992-09-01), Oishi
patent: 5301740 (1994-04-01), Erana
patent: 5348070 (1994-09-01), Fischer et al.

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