Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Reexamination Certificate
2005-06-21
2005-06-21
Tolan, Ed (Department: 3725)
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
C072S084000, C072S086000, C072S111000, C072S120000
Reexamination Certificate
active
06907762
ABSTRACT:
The invention relates to a method and a forming apparatus for deforming a hollow tubular workpiece, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, the tool is rotated about an axis of rotation relative to the workpiece and one end of the workpiece is deformed by means of said first tool. A second forming tool is placed into contact with the outer surface of the workpiece and is rotated relative to the workpiece about an axis of rotation. The other end of the workpiece is deformed by means of said second tool and at least one of said tools is moved relative to the workpiece during said deformation and/or between deforming steps (On the same workpiece), wherein the axis of rotation of said tool is translated and/or pivoted about an axis with respect to said workpiece.
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Application Ser. No. 10/333,503, filed Jan. 20, 2003.
Application Ser. No. 10/333,505, filed Jan. 20, 2003.
EPO Opposition Communications for 0916428.
EPO Opposition Communications for 0916426.
Koehler Steven A.
Tolan Ed
Westman Champlin & Kelly P.A.
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