Composite pressure vessel including fluid port with replaceable

Details Composite pressure vessel including fluid port with replaceable Composite pressure vessel including fluid port with replaceable

1986-03-28

1987-10-20

Lowrance, George E.

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220304, 222131, B65D 2502, B65D 2538

Patent

active

047008687

ABSTRACT:
A composite pressure vessel including a fluid port extending through the composite sidewall structure formed by providing a radial hole through the sidewall structure for receipt of an externally removable porting plug. The porting plug is retained within the radial hole by threaded engagement in an internally threaded grommet which may either be incorporated into the composite windings of the sidewall structure or held in place against the exterior surface of the sidewall structure by local composite windings. At the inner end of the porting plug is a seal groove containing a ring seal which is sized to form a fluid-tight seal around a porting hole in a liner member in the interior of the sidewall structure to prevent fluid leakage between the porting plug and liner member. The inner diameter of the seal groove is formed by a reduced diameter end portion at the inner end of the porting plug, whereas the outer diameter of the seal groove is formed by a back-up ring surrounding such reduced diameter end portion in radial spaced relation therefrom. The back-up ring is preloaded against the liner member during threading of the porting plug into the grommet to ensure a tight fit between the back-up ring and liner member.

REFERENCES:
patent: 969205 (1910-09-01), Shields
patent: 970095 (1910-09-01), McPheeters
patent: 1584854 (1926-05-01), Dill
patent: 1878327 (1932-09-01), Rimmelspacher
patent: 2090668 (1937-08-01), Deutsch
patent: 2198315 (1940-04-01), Nyberg
patent: 2224632 (1940-12-01), Giles
patent: 3112234 (1963-12-01), Krupp

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