US PATENT SUBCLASS 164 / 464
.~.~.~ Forming a hollow article

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.~.~.~ Forming a hollow article {1}
465  DF  .~.~.~.~> Using a core or mandrel

DEFINITION

Classification: 164/464

Forming a hollow article:

(under subclass 459) Process wherein the cast product formed contains a central cavity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

421+, for continuous or semicontinuous casting means utilized to form hollow castings.

451, for processes of continuously forming hollow products by centrifugal force.