US PATENT SUBCLASS 164 / 374
FLASK OR FLASK SECTION

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

374FLASK OR FLASK SECTION {5}
375  DF  .~> Including roll or rock-over means
376  DF  .~> Investment type (e.g., dental, etc.)
377  DF  .~> Size adjustable {1}
379  DF  .~> Including means to retain or reinforce mold sand or to position reinforcement {3}
384  DF  .~> Plural part flask or flask section {2}

DEFINITION

Classification: 164/374

(under the class definition) Apparatus directed to a container or box for confining mold material while the same is being shaped.

SEE OR SEARCH THIS CLASS, SUBCLASS:

237+, for patterns combined with flasks.