US PATENT SUBCLASS 164 / 346
.~.~.~ Sectional or plural part core

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

271  DF  MEANS TO SHAPE METALLIC MATERIAL {12}
344  DF  .~ Including means to eject or separate product from shaping surface {2}
345  DF  .~.~ Means to remove core {1}
346.~.~.~ Sectional or plural part core

DEFINITION

Classification: 164/346

(under subclass 345) Apparatus wherein the core means utilized is constructed of sectional or plural parts to facilitate removal from the cast product.

(1) Note. The plural parts of the core may be movably attached and thusly collapsible or may be composed of loose pieces.

SEE OR SEARCH THIS CLASS, SUBCLASS:

369, for a sand type shaping surface including a core member.

SEE OR SEARCH CLASS

249, Static Molds, 178+, for expansible and/or contractible metal cores and subclass 184 for plural section cores.