Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2006-10-06
2009-06-30
Bahta, Kidest (Department: 2123)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C228S201000
Reexamination Certificate
active
07555359
ABSTRACT:
A method for correcting surface and near surface defects in metal components in which the component is first inspected to identify both the site and size of a component defect. Thereafter, it is determined if the defect is correctable by friction stir processing and, if so, the defect is corrected by performing friction stir processing on the component at the site of the defect. Optionally, one of several different sized friction stir processing tools is selected as a function of the size of the defect.
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Badarinarayan Harsha
Hunt Frank
Okamoto Kazutaka
Bahta Kidest
Gifford Krass Sprinkle Anderson & Citkowski P.C.
Hitachi Ltd
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