Receptacles – Closures – Vent in closure
Patent
1976-06-03
1978-02-28
Hall, George T.
Receptacles
Closures
Vent in closure
220288, B65D 5116
Patent
active
040761444
ABSTRACT:
A removable top closure and venting assembly for the tubular housing of a control rod drive includes a mounting ring threadably inserted in the upper end of the housing, a fluid-sealing closure member beneath the mounting ring and which is mounted in and coupled to the mounting ring by means of a ball and socket joint, a gas vent defined by interconnecting passages extending through the closure and through the ball and socket joint, and a vent valve accesible from the top of the closure assembly.
REFERENCES:
patent: 2857142 (1955-08-01), Gertzon
patent: 3465911 (1969-09-01), Coharusso et al.
Raas Jean H.
Schwartz Joseph I.
Diamond Power Specialty Corporation
Hall George T.
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