4. Metal deforming
  5. By deflecting successively-presented portions of work during...
  6. By use of work-contacting wiper and moving, work-holding form

David A. Field

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Apparatus and method for the noncircular bending of tubes

Metal deforming – By deflecting successively-presented portions of work during... – By use of work-contacting wiper and moving – work-holding form
Reexamination Certificate

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Variable curvature tube and draw die therefor

Metal deforming – By deflecting successively-presented portions of work during... – By use of work-contacting wiper and moving – work-holding form
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3082869

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