Title:
Method of and apparatus for controlling circulation of furnace atmosphere
United States Patent 2789808
US Patent References:
Circulation control means
- - 2153604
Method and apparatus for heating metal objects
- - 2277592
Attic ventilator
- - 2278581
Direct gas-fired bell furnace
- - 2303901
Blower inlet control device
- - 2603411
Circulation control means
- - 2153604
Method and apparatus for heating metal objects
- - 2277592
Attic ventilator
- - 2278581
Direct gas-fired bell furnace
- - 2303901
Blower inlet control device
- - 2603411
Inventors:
Blackman, Calvin C.
Publication Date:
04/23/1957
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Export Citation:
Assignee:
Lee, Wilson
Primary Class:
Other Classes:
236/15BF, 432/206, 236/93R, 415/216.100, 236/93A, 415/156, 432/199, 415/161, 415/12, 266/252, 432/48, 236/15R, 432/12
International Classes:
C21D9/663; C21D9/54