Title: Elastomeric bladder for positive expulsion tank

Abstract: A method of storing a fluid product in a positive expulsion tank and subsequently expelling product therefrom, which prevents damage/failure of a resiliently deformable bladder, due to handling/transport forces exerted in the tank while exposed to a minimum design storage temperature. The method includes the step of filling the product receiving cavity with the product at a filling temperature and at a volume at the filling temperature allowing the product to fill the product receiving cavity at the minimum design temperature while permitting the bladder to assume its as-fabricated configuration.

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Inventors: Thompson, Leo M. (Niagara Falls, NY, US)
Anderson, Robert K. (Lockport, NY, US)
Kocher, Lawrence H. (Tonawanda, NY, US)
Jackel, John W. (Grand Island, NY, US)

Application Number: 685753
Filing Date: 1976-05-13
Publication_date: 1978-04-25
Assignee: Textron Inc. (Providence, RI)
Primary Class(es): 222/1 220/720, 222/386.5
Other Classes:
US Patent Ref:

3234737	Feb, 1966	Hiland	222/386.
3286878	Nov, 1966	Schadt et al.	220/85.
3404813	Oct, 1968	Waxman	222/386.
3741440	Jun, 1973	Sander, Jr.	222/132.
3809291	May, 1974	Purdy	222/386.
3883046	May, 1975	Thompson et al.	222/386.

Other Refs: 613,502597,491

Jan, 1961	CA
Aug, 1959	IT

Primary Examiner: Reeves, Robert B.
Assistant Examiner: Marmor, Charles A.
Attorney: Bean, Kauffman & Bean