摘要:
A workbasket for use in a heat-treating furnace including a plurality of trays that are mounted in spaced vertical relation, the spacing of the trays providing for free circulation of a heated atmosphere within the furnace, and thereby insuring an even distribution of heat in and around articles located in the trays.
摘要:
A high vacuum electric furnace for heat-treating metallic articles under vacuum and including quenching apparatus to which the heat-treated articles are directed after the heat-treating operation, the quenching apparatus incorporating a liquid quenching medium therein and communicating with a cooling area of the furnace for receiving the heat-treated articles therefrom, the heat-treated articles being discharged from the cooling area into the liquid quenching medium in a subatmospheric environment and the quenching apparatus being constructed and arranged for preventing vapors escaping from the quenching medium into the furnace cooling area and heating chamber.