Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2006-10-19
2009-08-18
Nguyen, Dung Van (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S319000
Reexamination Certificate
active
07574770
ABSTRACT:
A system for cleaning and inspecting stud bolt holes, and managing damage histories of the stud bolt holes is disclosed. The system allows an operator to clean stud bolt holes to inspect the stud bolt holes with the naked eye, and manage damage histories of the stud bolt holes. The stud bolt holes fix a nuclear reactor, a nuclear reactor coolant pump head and a pressure vessel main body thereto.
REFERENCES:
patent: 4315688 (1982-02-01), Pryor
patent: 6230568 (2001-05-01), Winston et al.
patent: 7173692 (2007-02-01), Yasuda et al.
Choi Sang-Hoon
Park Min-Su
Holme Roberts & Owen LLP
Korea Plant Service & Engineering Co., Ltd.
Nguyen Dung Van
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