F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
38/12
F27B 9/16 (2006.01) F27B 9/02 (2006.01) F27B 9/06 (2006.01) F27B 9/38 (2006.01) F27D 3/00 (2006.01)
Patent
CA 1326595
ABSTRACT OF THE DISCLOSURE Disclosed is a furnace in which the inside of the furnace enclosed by a furnace wall having an inner surface lined with a heat insulating material. Heaters for heating the inside of the upper furnace chamber to a predetermined temperature, and an upper turntable supported so as to be rotatable horizontally and arranged to mount works on an upper surface thereof are provided in the upper furnace chamber. Other heaters for heating the inside of the lower furnace chamber to a predetermined tempera- ture, and a lower turntable supported so as to be rotatable hori- zontally independently of the upper turntable and arranged to mount works on an upper surface thereof are provided in the lower furnace chamber. Delivery of a work from/to the outside of the furnace to/from each of the upper and lower turntables is per- formed by insertion of a fork through an opening formed in a predetermined position of the furnace wall. In this configura- tion, for example, carburizing treatment on a work is carried out in the upper furnace chamber and diffusion treatment on a work is carried out in the lower furnace chamber.
601192
Furnace Juko Kabushiki Kaisha
Gowling Lafleur Henderson Llp
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