Metal deforming – With cutting – By composite tool
Reexamination Certificate
2007-03-13
2007-03-13
Jones, David (Department: 3725)
Metal deforming
With cutting
By composite tool
C072S336000, C072S447000, C029S234000, C029S895212
Reexamination Certificate
active
10828940
ABSTRACT:
A system for automatically cold working holes in metal components is disclosed. An automated mandrel moves in relation to a workpiece in order to perform cold expansion of holes in the workpiece. The mandrel is aligned with the axis of each hole and the surface of the workpiece adjacent to the hole. The system may be used to cold work holes in aircraft components, such as wings and fuselage skins.
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Jones David
Northrop Grumman Corporation
Pietragallo Bosick & Gordon LLP
Towner, Esq. Alan G.
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