US PATENT SUBCLASS 164 / 501
.~.~.~ Utilizing sonic or supersonic wave energy

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}
48  DF  .~.~ Direct application of electrical or wave energy to work {3}
501.~.~.~ Utilizing sonic or supersonic wave energy

DEFINITION

Classification: 164/501

Utilizing sonic or supersonic wave energy:

(under subclass 48) Process wherein the wave energy is specifically of the sonic or supersonic range.

SEE OR SEARCH THIS CLASS, SUBCLASS:

250.1+, for casting apparatus provided with means to directly apply electrical or wave energy to work.

SEE OR SEARCH CLASS

148, Metal Treatment,

558, for processes of treating solid or semi-solid metal outside the mold with high frequency vibration.