Counter pressure casting and counter pressure casting device

Details Counter pressure casting and counter pressure casting device Counter pressure casting and counter pressure casting device

1993-02-03

1994-12-13

Bradley, P. Austin

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 41, 164119, 164113, 164120, J22D 1804

Patent

active

053721810

ABSTRACT:
A counter pressure casting and a counter pressure casting device in which the pressures in a furnace side and a casting mold side are set to be lower than the maximum pressure of the process at a stage of the molten metal charging and increased to the maximum after the molten metal charging step. This technique provides a casting having less casting defects and improves the productivity.

REFERENCES:
patent: 3532154 (1970-10-01), Balevski
patent: 3961662 (1976-06-01), Balevski
patent: 4671342 (1987-06-01), Balevski
patent: 4889177 (1989-12-01), Charbonnier

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