Metal deforming – By deflecting successively-presented portions of work during... – By use of deflector arranged to bend work transversely of...
Reexamination Certificate
2004-09-08
2011-10-04
Sullivan, Debra (Department: 3725)
Metal deforming
By deflecting successively-presented portions of work during...
By use of deflector arranged to bend work transversely of...
C072S177000
Reexamination Certificate
active
08028557
ABSTRACT:
Methods and apparatus of forming stiffening structures in a material are disclosed. In an example method, a first bend line is formed in the material and a portion of the material is drawn toward the first bend line to form an intermediate stiffening structure. A second bend line is then formed adjacent and parallel to the first bend line so that the intermediate stiffening structure is located between the first and second bend lines. A plurality of stiffening structures is then formed in the intermediate stiffening structure without substantially stretching the material.
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Hanley, Flight and Zimmerman, LLC
Sullivan Debra
The Bradbury Company, Inc.
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