Hinged steam generator nozzle plug

Details Hinged steam generator nozzle plug Hinged steam generator nozzle plug

1983-03-31

1984-11-20

Smith, Robert I.

Receptacles

Closures

Having inflatable gasket or packing

138 93, 217 78, 277 34, F16L 5512

Patent

active

044834578

ABSTRACT:
A nozzle plug (22) for blocking a nozzle (46) in a nuclear steam generator (16) is improved by the addition of hinges (40a, 40b) which allow the nozzle plug (22) to be inserted into the steam generator (16) through an access port (52) of substantially smaller diameter than the nozzle (46). A recess (54) is provided in one of the semi-circular plates (28) allowing the plates to nest, further reducing the necessary size of the access port (46).

REFERENCES:
patent: 694171 (1902-02-01), Mink
patent: 2366911 (1945-01-01), Laird
patent: 2604224 (1952-07-01), Howe
patent: 2697534 (1954-12-01), Topley
patent: 2714024 (1955-07-01), Greene
patent: 3343708 (1967-09-01), Haas
patent: 3371986 (1968-03-01), Brown
patent: 4342336 (1982-08-01), Sattertawatte

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