US PATENT SUBCLASS 164 / 386
.~.~.~ Including locking means to prevent vertical displacement

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

374  DF  FLASK OR FLASK SECTION {5}
384  DF  .~ Plural part flask or flask section {2}
385  DF  .~.~ Including guide means to align superposed flask sections {4}
386.~.~.~ Including locking means to prevent vertical displacement

DEFINITION

Classification: 164/386

(under subclass 385) Apparatus which includes an actuatable means operable during or after assembly to fasten the superposed sections and prevent their relative vertical movement.