Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Reexamination Certificate
2006-03-21
2006-03-21
Tolan, Ed (Department: 3725)
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
C072S082000, C072S121000
Reexamination Certificate
active
07013690
ABSTRACT:
The invention pertains to a method and forming machine for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, at least one forming tool is placed into contact with the surface of the workpiece, the workpiece and this forming tool are rotated relative to each other about an axis, and the workpiece is deformed by means of the forming tool. During at least part of the deforming, the forming tool is being moved back and forth at a frequency that is substantially equal to or a multiple of the frequency of the rotation of the deformed part or the part to be deformed of the workpiece.
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Massee John
Tolan Ed
Westman Champlin & Kelly P.A.
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