US PATENT SUBCLASS 164 / 401
STRIPPER OR EJECTOR
Current as of:
June, 1999
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164 /
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METAL FOUNDING
401
STRIPPER OR EJECTOR
{3}
402
DF
.~
> Including means for inverting pattern
403
DF
.~
> Fluid actuated pattern stripping means
404
DF
.~
> Means to separate cast product from shaping surface {1}
DEFINITION
Classification: 164/401
(under the class definition) Apparatus which has means to disassociate a shaping surface from the shaped product.
(1) Note. Included herein are patents directed to apparatus for stripping sand from flasks.
(2) Note. The shaped produce can either be a cast product or a shaped mold structure.
(3) Note. Included herein is, per se, apparatus utilized to
disassociate a pattern or core member from a mold structure by fluidizing or liquifying.
SEE OR SEARCH THIS CLASS, SUBCLASS:
34+, for processes of destroying a pattern to disassociate the same from a shaped mold. 44, for mechanical pattern withdrawal processes.
180+, for mold material compacting apparatus having means for withdrawing the forming surface from the shaping means.
213+, for mold shaping apparatus including means for separating the forming surface from the shaping means.
