Rotating shielded crane system

Induced nuclear reactions: processes – systems – and elements – Seal arrangements – Between pressure vessel cover and vessel or portion thereof

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Details

376340, 376460, 212209, G21C 1300, G21C 1900

Patent

active

047464852

ABSTRACT:
A rotating, radiation shielded crane system for use in a high radiation test cell, comprises a radiation shielding wall, a cylindrical ceiling made of radiation shielding material and a rotatable crane disposed above the ceiling. The ceiling rests on an annular ledge intergrally attached to the inner surface of the shielding wall. Removable plugs in the ceiling provide access for the crane from the top of the ceiling into the test cell. A seal is provided at the interface between the inner surface of the shielding wall and the ceiling.

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patent: 4341732 (1982-07-01), Sharbaugh et al.
patent: 4618472 (1986-10-01), Gjertsen et al.
patent: 4664873 (1987-05-01), Hendrich et al.

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