Apparatus for the compacting of granular molding materials

Details Apparatus for the compacting of granular molding materials Apparatus for the compacting of granular molding materials

1989-01-03

1989-11-07

Godici, Nicholas P.

Metal founding

Control means responsive to or actuated by means sensing or...

Responsive to thermal condition

164169, B22C 1500

Patent

active

048785342

ABSTRACT:
A process and apparatus for compacting granular molding materials in a mold cavity defined by a pattern plate, a mold box arranged thereon, a filling frame on the molding box and a pressure chamber comprises applying pressure to the exterior peripheral wall surfaces of the molding box which pressure acts in opposition to the compacting pressure applied to the granular materials in the mold cavity. The pressure applied to the exterior walls of the molding box is independent of the compacting pressure applied over the granular molding materials.

REFERENCES:
patent: 2864136 (1958-12-01), Taccone
patent: 4063586 (1977-12-01), Keller
patent: 4750540 (1988-06-01), Boenisch

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