C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/23
C21D 1/773 (2006.01) F27B 5/16 (2006.01) F27B 5/06 (2006.01)
Patent
CA 1108851
VACUUM FURNACE WITH COOLING MEANS Abstract of the Disclosure A vacuum furnace having a single chamber in which a work- piece is supported and heat treated. A unique cooling system is designed for adaption with the low pressure/high volume radial flow fan which is positioned interiorly of the furnace adjacent the vertically uppermost portion of the chamber. The system includes an exhaust opening in the top of the chamber and a plurality of small openings strategically located in the lower half of the chamber for improving the uniformity of the flow pattern of cooled gas circulated upwardly through the chamber for cooling a workpiece positioned in the chamber.
322802
Checkley David L.
Titus Wallace J.
Zahn Frederick E.
Macrae & Co.
Midland-Ross Corporation
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