Title: Shot peen forming of compound contours

Abstract: A flat sheet metal part is shot peened on both sides with an intensity programmed to vary in a pattern for imparting localized growth matching the part to a spanwise curvature of a contoured aircraft wing. The part is shot peened on one side with an intensity programmed to vary in a pattern for matching the part to a chordwise curvature, and the part takes on the compound curvature of an aircraft wing surface.

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Other info:

Inventors: Harburn, Brian (Seattle, WA)
Miller, John C. (Des Moines, WA)

Application Number: 06/114017
Filing Date: 1980-01-21
Publication_date: 1982-05-18
Assignee: BOEING CO

Primary Class(es): 72/53
Other Classes: B24C1/10; B24C3/14; B24C3/00; C21D7/06; B21J5/00
US Patent Ref:

2701408	February, 1955	Borger	72/53
3000425	September, 1961	Hodges	72/53
3004584	October, 1961	Fuchs	72/53
3668912	June, 1972	Baughman	72/53

Other Refs:
Primary Examiner: Crosby; Gene P.
Assistant Examiner:
Attorney: Case, Morris A.
Donahue, Bernard A.

Claims: