Electric heating – Microwave heating – Enclosed cavity structure
Reexamination Certificate
2005-12-27
2005-12-27
Van, Quang T. (Department: 3742)
Electric heating
Microwave heating
Enclosed cavity structure
C219S759000, C156S379600
Reexamination Certificate
active
06979807
ABSTRACT:
An apparatus and method for forming a composite workpiece are provided. An electromagnetic field generator induces a current in a susceptor, thereby heating the workpiece in a die cavity. An elastomeric bladder in the cavity is inflated and urges the workpiece against a contour surface corresponding to a desired configuration of the workpiece. Coolant fluid can also be circulated through the die cavity to cool the workpiece. Thus, the workpiece can be heated, formed, and cooled quickly and without substantial heating of other components, thereby reducing the time and energy relative to conventional forming methods.
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Anderson Donald A.
Brown Ronald W.
Kirkwood Brad L.
Matsen Marc R.
McCarville Douglas A.
Alston & Bird LLP
The Boeing Company
Van Quang T.
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