Improved use of self-leveling shims in centrifugal apparatus

Details Improved use of self-leveling shims in centrifugal apparatus Improved use of self-leveling shims in centrifugal apparatus

1991-03-01

1993-03-09

Silbaugh, Jan H.

Metal founding

Means to shape metallic material

Pressure shaping means

164290, 425425, 425434, 264311, 264313, B22D 1010

Patent

active

051919230

ABSTRACT:
A self-leveling shim for centrifugal casting apparatus of the type wherein piston means maintain two-part elastomer molds in pressurized engagement with each other during the molding operation, said shim comprising an inflatable bladder positioned between said piston means and said molds, said bladder being inflatable only at selected portions thereof, so as to apply shim pressure at the portions of the molds where such pressure is required.

REFERENCES:
patent: 3280434 (1966-10-01), Cecere
patent: 3961014 (1976-06-01), Pasch et al.
patent: 4017572 (1977-04-01), Magone et al.
patent: 4723904 (1988-02-01), Maynard et al.

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