Vaulted cover with flange and plurality of pipe fittings

Details Vaulted cover with flange and plurality of pipe fittings Vaulted cover with flange and plurality of pipe fittings

1980-12-18

1983-09-20

Friedman, Carl D.

Receptacles

Closures

With heat insulating insert or captive air space

220367, 52245, B65D 610

Patent

active

044050550

ABSTRACT:
A vaulted cover for an opening in a pressure vessel comprising a vaulted center piece and an annular rim surrounding thermal insulation material of a cover flange. The rim is assembled of two coaxially arranged cylindrical sections. Expansion gaps and sealing disks are provided about pipe fittings in said vaulted cover in a manner that permits release of pressure through gaps formed by said sealing disks.

REFERENCES:
patent: 3140792 (1964-07-01), Harris
patent: 3713459 (1973-01-01), McIver et al.
patent: 3733760 (1973-05-01), Koerner
patent: 3744660 (1973-07-01), Gaines et al.
patent: 4195457 (1980-04-01), Kissling et al.

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