Core box

Details Core box Core box

1977-10-28

1979-06-26

Lazarus, Richard B.

Metal founding

Stripper or ejector

Fluid actuated pattern stripping means

B22C 1700

Patent

active

041590325

ABSTRACT:
A core box having a core pattern and a self-contained mechanism for physically contacting a core, disposed within the pattern, and forcibly ejecting it from the pattern. The mechanism comprises a plurality of ejector pins which are movable into contact with the core by an inflatable bag disposed in the core box.

REFERENCES:
patent: 3377653 (1968-04-01), Buonaiuto
patent: 3398781 (1968-08-01), Bevis
patent: 3448488 (1969-06-01), Kiraly
patent: 3938585 (1976-02-01), Rader

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