(under subclass 42) Subject matter having means for adding material to the furnace to initiate operation.
(1) Note. Generally molten, or granular slag is added to fill the space between the electrode end and the crucible bottom to complete the electrical circuit and thus commence furnace operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
45, for crucibles having means built into the bottom thereof to complete the circuit for furnace start up.
