Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Using sonic – supersonic – or ultrasonic energy
Reexamination Certificate
2009-03-25
2011-11-01
Gupta, Yogendra (Department: 1744)
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Using sonic, supersonic, or ultrasonic energy
C264S442000, C264S494000, C264S496000
Reexamination Certificate
active
08048360
ABSTRACT:
A method for curing a resin includes the steps of placing the resin into a reaction vessel, drawing a vacuum in the reaction vessel, positioning the reaction vessel in a gaseous coupling fluid, and applying ultrasonic energy to the coupling fluid.
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Byrd Norman R.
Petty John A.
Zaidi Masood A.
Grun Robert J
Gupta Yogendra
Satermo Eric K.
The Boeing Company
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