Electric heating – Metal heating – By arc
Reexamination Certificate
2005-01-11
2005-01-11
Heinrich, Samuel M. (Department: 1725)
Electric heating
Metal heating
By arc
C219S121850
Reexamination Certificate
active
06841755
ABSTRACT:
A method of controlling the application of laser peening overlays on the surface of a workpiece to reduce the variability of shock waves generated therein, comprises applying an energy-absorbing overlay to a portion of the surface of a workpiece, measuring the thickness of the energy-absorbing overlay in at least one location on the energy-absorbing overlay, applying a transparent overlay material over the energy-absorbing overlay, measuring the thickness of the transparent overlay in at least one location on the transparent overlay, determining if the measured values for each overlay is within a specified range, and directing a pulse of coherent energy to the workpiece to create a shock wave therein when the measured values are within the specified range.
REFERENCES:
patent: 5735044 (1998-04-01), Ferrigno et al.
patent: 6094260 (2000-07-01), Rockstroh et al.
patent: 6183882 (2001-02-01), Mannava et al.
patent: 6254703 (2001-07-01), Sokol et al.
Clauer Allan H.
Dulaney Jeff L.
Dykes Steven E.
Lahrman David F.
O'Loughlin Mark
Heinrich Samuel M.
Knuth Randall J.
LSP Technologies Inc.
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