C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
148/43
C21D 1/74 (2006.01) C21D 9/00 (2006.01) C23C 8/22 (2006.01)
Patent
CA 1244326
ABSTRACT A method for operating a continuous rotary carburizing furnace is disclosed, wherein a carburizing mixture is introduced into the furnace retort without inerts while an inert gas is introduced into the shell of the furnace without carbon containing gases. The method effects an increase in productivity through an increased rate of carburization of work pieces with less carburization or sooting of the furnace apparatus.
494728
Fenstermaker Michael L.
Pellman Mark A.
Air Products And Chemicals Inc.
Mcfadden Fincham
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