Metal deforming – By application of fluent medium – or energy field – With cutting
Reexamination Certificate
2006-10-31
2006-10-31
Jones, David (Department: 3725)
Metal deforming
By application of fluent medium, or energy field
With cutting
C072S058000, C072S325000, C072S370270
Reexamination Certificate
active
07127924
ABSTRACT:
A double action punch assembly for a hydroforming die includes a first punch segment having an aperture extending therethrough. The double action punch assembly also includes a movable mounting block disposed in the aperture of the first punch segment. The double action punch assembly further includes a plurality of second punch segments connected to the mounting block. The first punch segment is moved in a first action to pierce a tubular member in a first direction and the second punch segments are moved in a second action to pierce the tubular member in a second direction to produce an opening in the tubular member.
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GM Global Technology Operations Inc.
Hargitt Laura C.
Jones David
LandOfFree
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