.~ Shaping liquid metal against a forming surface {26}
71.1
.~.~ With vibratory treatment of casting material
DEFINITION
Classification: 164/71.1
With vibratory treatment of casting material:
(under subclass 47) Process directed to vibrating the casting material to effect an internal change in the structure of the material, e.g., by removing gases, inclusions, or by refining the crystalline structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
39, for vibratory treatment of molding materials.
260+, for apparatus which includes a treating or nontreating operation.
SEE OR SEARCH CLASS
148, Metal Treatment,
558, for processes of treating solid or semi-solid metal outside the mold with high frequency vibration.
