Floatable seal for pillar supported tanks
United States Patent 3343708

Inventors:
Haas, Milford F.
Publication Date:
09/26/1967
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Assignee:
MAYFLOWER VAPOR SEAL CORP
Primary Class:
220/225
Other Classes:
220/232
International Classes:
B65D88/48; B65D88/00
US Patent References:
2560586Floating roof drain
2847142Floatable partition for liquid storage tanks
2867346Floating plastic screen
2919047Liquid storage floating cover
2986302Self-adjusting floating roof for storage reservoirs
Foreign References:
IT534204B