.~.~ With internal atmosphere control (e.g., pressure, vacuum, etc.)
DEFINITION
Classification: 373/68
With internal atmosphere control (e.g., pressure, vacuum, etc.):
(under subclass 67) Subject matter wherein the environment within the remelting furnace is regulated to have a specific pressure, a vacuum, or a specific medium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
77, for other arc furnaces with internal atmosphere control.
110, for resistance furnaces with internal atmosphere control.
140, for induction furnaces with internal atmosphere control.