Method and Apparatus for Peening

Author:  PA Simeone; AP Karafillis; JE Bissett; DA Wilson
Source:  US Patent 6,189,356 B1
Doc ID:  2001004
Year of Publication:  2001
Abstract:  
A mask for masking a corner of a metal component during peening. The component has a first surface defining an opening in the component and a second surface intersecting the first surface of the component at the corner. The mask includes a plug sized and shaped for insertion in the opening adjacent to the corner to cover the corner during peening. Further, the mask includes a rim surrounding at least a portion of the plug sized and shaped for surrounding at least a portion of the opening to cover the corner during peening thereby preventing the corner from bieng peened.