Title:
Roll seal for vacuum strip-treating chamber
United States Patent 3367667
US Patent References:
/1208339.html
- - 1208339
Vacuum seal and apparatus
- - 1633121
Vacuum desiccating apparatus using the evaporator and condenser of a refrigerating device
- - 2434003
Recording of electronic images
- - 2707162
Sealing means for a roll assembly in the entrance or exit passage of a pressure or vacuum chamber
- - 2844889
/1208339.html
- - 1208339
Vacuum seal and apparatus
- - 1633121
Vacuum desiccating apparatus using the evaporator and condenser of a refrigerating device
- - 2434003
Recording of electronic images
- - 2707162
Sealing means for a roll assembly in the entrance or exit passage of a pressure or vacuum chamber
- - 2844889
Inventors:
Allen, William S.
Publication Date:
02/06/1968
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Export Citation:
Assignee:
UNITED STATES STEEL CORP
Primary Class:
Other Classes:
277/345, 277/906, 34/242
International Classes:
C21D1/773; C21D9/56; C23C14/56; F16J15/16; F27D23/00; F27B9/24; F27B9/28; C21D1/74; F27B9/00
US Patent References: