Clamp ring device for the securing and removal of a cover over a

Details Clamp ring device for the securing and removal of a cover over a Clamp ring device for the securing and removal of a cover over a

1983-07-21

1984-04-17

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 220240, 220378, F61J 1506, B65D 5300

Patent

active

044430167

ABSTRACT:
An annular clamp ring of aluminum material has a plurality of through bores for the reception of cover bolts and associated cover nuts to facilitate the securing and removal of a cover over a pressure vessel. The bores are of stepped diameter and high-pressure seals are provided in the ring bores and at the stepped diameter.

REFERENCES:
patent: 1831572 (1931-11-01), MacArthur
patent: 3266657 (1966-08-01), Stachiw
patent: 3279644 (1966-10-01), Robertson
patent: 4216876 (1980-08-01), Warnke
patent: 4331175 (1982-05-01), Brake et al.
patent: 4346903 (1982-08-01), Heiermann
Publication--Klockner-Becorit GmbH, "Multiple Stud Tensioner for Nuclear Power Stations".
Publication--Klockner-Becorit GmbH, "Manway Tensioner for Steam Generator and Pressurizer".
Publication--Klockner--Becorit, "Handling Device for Multiple Stud Tensioners and Manway Covers".

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