Receptacles – Closures – Floating closure
Patent
1994-03-21
1996-10-01
Scherbel, David
Receptacles
Closures
Floating closure
220216, 220224, B65D 8848, B65D 8846
Patent
active
055605095
ABSTRACT:
A guide pole fitting seal for use on floating roof tanks that incorporates a well gasket, pole sleeve, pole wiper, float and float wiper that may be used with guide poles to control emissions from the guide pole fitting. The guide pole seal may permit the product level in the tank to be measured and sampled from inside of the guide pole by removing the float during these operations.
REFERENCES:
patent: 1611440 (1926-12-01), Haupt
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patent: 3474931 (1969-10-01), Daniels
patent: 3583594 (1971-06-01), Belanger
patent: 4243151 (1981-01-01), Bruening
patent: 4260068 (1981-04-01), McCarthy
patent: 4468975 (1984-09-01), Sayles et al.
patent: 5423446 (1995-06-01), Johnson
PCT/US95/02995 International Search Report.
"Evaporative Loss From External Floating-Roof Tanks", API Publication 2517 Third Edition, Feb. 1989, American Petroleum Institute.
Engineering Drawing--8 inch diameter Gage Well Guide Pole, Sep. 9, 1992.
Engineering Drawing--Misc. Parts for 8-inch diameter Guide Pole, Sep. 9, 1992.
Engineering Drawing--Seal Well for Guide Pole, Dec. 20, 1991.
Engineering Drawing --10-inch diameter Gage Well Guide Pole, Dec. 20, 1991.
PCT Written Opinion, 4 Apr. 1996.
Laverman Royce J.
Owens, Jr. John E.
Chicago Bridge & Iron Technical Services Company
Chin Randall E.
Scherbel David
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