Peening Apparatus

Author:  Metal Improvement Co./Burney
Source:  US Patent 3,426,563
Doc ID:  1969004
Year of Publication:  1969
Abstract:  
This invention relates to peening apparatus which is particularly adapted for peening large size components. As a general proposition, the component is suitably supported in any desired fashion and relative motion between the peening device and the component is achieved usually by a movement of the peening apparatus about the component. The peening rig is adapted to be supported for rotational movement by being supported upon the component and gradually moved thereabout while shot are ejected against the component from selected nozzle units.