US PATENT SUBCLASS 164 / 68.1
.~.~.~ While melting casting material

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}
66.1  DF  .~.~ Applying an inert or reducing gaseous atmosphere to work {2}
68.1.~.~.~ While melting casting material

DEFINITION

Classification: 164/68.1

While melting casting material:

(under subclass 66.1) Process wherein the casting material is rendered molten under the affect of a inert or reducing gaseous ambient.