US PATENT SUBCLASS 164 / 107
.~.~.~.~ Preform utilized to affect cast metal (e.g., to chill, to cap, etc.)

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}
91  DF  .~.~ Composite article forming {5}
98  DF  .~.~.~ Shaping metal and uniting to a preform {7}
107.~.~.~.~ Preform utilized to affect cast metal (e.g., to chill, to cap, etc.)

DEFINITION

Classification: 164/107

(under subclass 98) Process wherein a preform is united to a cast metal to perfect the cast metal by treating rather than to provide a united article as such.

(1) Note. By treating is meant a change in the physical or chemical properties of the cast metal.