US PATENT SUBCLASS 164 / 465
.~.~.~.~ Using a core or mandrel

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

1  DF  PROCESS {6}
47  DF  .~ Shaping liquid metal against a forming surface {26}
459  DF  .~.~ Continuous or semicontinuous casting {20}
464  DF  .~.~.~ Forming a hollow article {1}
465.~.~.~.~ Using a core or mandrel

DEFINITION

Classification: 164/465

Using a core or mandrel:

(under subclass 464) Process wherein the central cavity is shaped by applying molten metal to an external surface of a forming mold.