Metal deforming – Process – Tube making or reshaping
Reexamination Certificate
2011-03-01
2011-03-01
Sullivan, Debra M (Department: 3725)
Metal deforming
Process
Tube making or reshaping
C072S370020, C072S370100, C072S370250
Reexamination Certificate
active
07895875
ABSTRACT:
Methods and systems for reducing the stress state of compressed ends of compressed tubes are disclosed. The methods and systems may provide a reduced tensile residual stress state, or even a compressive residual stress state. Tube products produced from the same are also provided.
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Bendzinski Duane
Dickson John A.
Gadbery Dan
Alcoa Inc.
Greenberg & Traurig, LLP
Sullivan Debra M
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