US PATENT SUBCLASS 164 / 74
.~.~.~ Gas producing coating
Current as of:
June, 1999
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164 /
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METAL FOUNDING
1
DF
PROCESS
{6}
47
DF
.~ Shaping liquid metal against a forming surface {26}
72
DF
.~.~ Coating mold surface with a treating agent {1}
74
.~.~.~ Gas producing coating
DEFINITION
Classification: 164/74
(under subclass 72) Process wherein the coating produces a gas during the casting operation.
(1) Note. The gas may be produced by a chemical reaction, e.g., burning, decomposition, etc., or by vaporization.
SEE OR SEARCH THIS CLASS, SUBCLASS:
55.1+, for processes of incorporating gaseous constituents in the casting material.
66.1+, for processes of forming an inert or reducing gaseous atmosphere.
473, for continuous casting processes incorporating an addition or agent in a melt system.
475, for continuous casting processes with an inert or reducing gas atmosphere.
