Remote stud cleaner

Details Remote stud cleaner Remote stud cleaner

1991-11-12

1994-05-03

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Impurity removal

376205, G21C 1942

Patent

active

053094905

ABSTRACT:
A device 20 for cleaning threaded studs 14 securing the dome-shaped head of a nuclear reactor pressure vessel to the vessel body 10 comprises a cylindrical brush holder 24 rotatably carried in a housing 22. An annular steel wire brush 28, disposed on the inner surface of the brush holder 24, is adapted to fit over and engage the threaded portion 14a of a stud 14. An electric motor 26 mounted on the housing 22 rotates the brush holder 24 as it is lowered onto an upstanding stud 14. A vacuum source connected to the housing 22 captures any particulate matter removed from the stud 14.

REFERENCES:
patent: 4165549 (1979-08-01), Wennerstrom et al.
patent: 4452753 (1984-06-01), Wentzell et al.
patent: 4630410 (1986-12-01), Cavada et al.
patent: 4675967 (1987-06-01), Okada

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