The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2003
Filed:
Sep. 14, 2001
Applicant:
Inventors:
Kouichi Kurosawa, Hitachi, JP;
Youichi Mahara, Hiroshima, JP;
Toshiharu Nagashima, Kure, JP;
Kazuhiro Nitta, Kure, JP;
Shinji Go, Hitachi, JP;
Yoshitoshi Suzuki, Takahagi, JP;
Katsuhiko Hirano, Hitachi, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C 1/701 ;
U.S. Cl.
CPC ...
G21C 1/701 ;
Abstract
An opening portion is produced by cutting a recirculating piping connected to a recirculating nozzle of a reactor pressure vessel A repairing device is brought into an annulus of the reactor pressure vessel from the opening thereby repairing the annulus