Metal working – Method of mechanical manufacture – Impeller making
Reexamination Certificate
2011-07-26
2011-07-26
Heinrich, Samuel M (Department: 3742)
Metal working
Method of mechanical manufacture
Impeller making
C029S889700
Reexamination Certificate
active
07984547
ABSTRACT:
A method is for manufacturing and/or repairing components, e.g., blades and blade segments, for gas turbines, e.g., for aircraft engines, by laser-powder build-up welding. Laser-powder build-up welding is performed using at least one substructure, the material build-up by a powder material occurring in the process of laser-powder build-up welding such that the or every substructure is at least in sections enclosed by the built-up powder material.
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Heinrich Samuel M
Kenyon & Kenyon LLP
MTU Aero Engines GmbH
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