Reactor vessel O-ring spring clip

Details Reactor vessel O-ring spring clip Reactor vessel O-ring spring clip

1988-05-09

1990-12-25

Reese, Randolph A.

Induced nuclear reactions: processes, systems, and elements

Seal arrangements

Between pressure vessel cover and vessel or portion thereof

403327, 403329, 4034051, G21C 1300

Patent

active

049801171

ABSTRACT:
A reactor vessel O-ring spring clip designed to hold the tubular O-ring in the groove of a reactor vessel head flange, especially during head lifting. The spring clip is designed such that the weight of the O-ring acts to increase the friction force between the spring clip and the, typically, threaded hole into which it is inserted. The end of the clip adapted to be inserted through a slot in the tubular O-ring for securement thereto has a circular member thereon which prevents the spring clip from becoming disengaged from the O-ring during head lifting.

REFERENCES:
patent: 2825948 (1954-01-01), Parkin
patent: 3359020 (1967-12-01), O'Donnell
patent: 3436107 (1969-04-01), Karden
patent: 3685123 (1972-08-01), Frisch
patent: 3858370 (1975-01-01), Halstead
patent: 3916944 (1975-11-01), Crawford et al.
patent: 4046169 (1977-09-01), Pollono et al.
patent: 4289582 (1981-09-01), Parr et al.
patent: 4324619 (1982-04-01), Guerin
patent: 4343497 (1982-08-01), Bot
patent: 4637914 (1987-01-01), Boyle et al.

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