Title:
Seal for underground passage, and storage system embodying same
United States Patent 2855757
Inventors:
Meade, Leonard P.
Publication Date:
10/14/1958
Export Citation:
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Assignee:
PHILLIPS PETROLEUM CO
Primary Class:
405/53
Other Classes:
52/169.6, 73/40.5R, 299/19, 405/133, 405/144
International Classes:
B65G5/00; E21F17/16; B65G5/00; E21F17/00
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US Patent References:
2697539Box with handle cover fastening means
2659209Underground liquid storage facility and the method of selecting and preparing the same
2459227Underground reservoir for the storage of liquefied gases
2433896Means for storing fluids for power generation
2333315Construction of underground tanks for storing liquid fuels and other fluids
1451021Water drain for windows
1229437N/A
0801995N/A
Foreign References:
DK68070A