US PATENT SUBCLASS 164 / 401
STRIPPER OR EJECTOR


Current as of: June, 1999
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164 /   HD   METAL FOUNDING

401STRIPPER 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.