Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1976-12-27
1979-01-09
Price, William
Receptacles
Outlet or junction box type
Sectional receptacle
220 5A, 220319, B65D 702, B65D 4532
Patent
active
041334426
ABSTRACT:
A tank closure assembly adapted to releasably couple tank sections formed by transversely splitting an integral bag-molded fiber-reinforced tank. The assembly includes external circumferential flanges secured to the tank sections adjacent their severed faces and in opposed relation to each other. An O-ring seal, disposed externally of the tank sections and between the flanges, is compressed into sealing engagement with surrounding surfaces, by tightening of a circumferential band encircling the flanges, to seal the tank sections at their plane of separation. A method of machining a tank to simultaneously form the split sections and suitable flange receiving grooves thereon is disclosed, as well as a method of pressure-testing the machined tank sections prior to assembly of the flanges and O-ring seal.
REFERENCES:
patent: 1376216 (1921-04-01), Mittinger
patent: 2652147 (1953-09-01), Jenkins et al.
patent: 2709524 (1955-05-01), Russell et al.
patent: 2756893 (1956-07-01), Barrere
patent: 2952378 (1960-09-01), Renslow
patent: 3043465 (1962-07-01), Horner
patent: 3193129 (1965-07-01), Pfluger et al.
patent: 3357594 (1967-12-01), Grosh et al.
patent: 4024979 (1977-05-01), Craig et al.
Bliley Ward L.
LeBreton Edward T.
Nara Harry R.
Wiltshire Arthur J.
Pollard Steven M.
Price William
Structural Fibers, Inc.
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