US PATENT SUBCLASS 164 / 103
.~.~.~.~.~ Preheating

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}
100  DF  .~.~.~.~ Including preconditioning preform {2}
103.~.~.~.~.~ Preheating {2}
104  DF  .~.~.~.~.~.~> Utilizing a liquid heat transfer agent
105  DF  .~.~.~.~.~.~> Of preform in mold

DEFINITION

Classification: 164/103

(under subclass 100) Process of raising the temperature of the preform prior to casting the molten metal thereon.

(1) Note. The preheating may be by open flame contacting the preform surface or by hot fluid.

(2) Note. Preform may be heated directly on the bonding surface or a face opposite the bonding face.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54, for a process of in situ reactive heating during formation of a composite.

121, for a process of preconditioning of apparatus including preheating.

338.1+, for means to apply heat to a mold.