Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work – To degas or prevent gas entrapment
Patent
1997-06-06
1999-10-26
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Vacuum treatment of work
To degas or prevent gas entrapment
264258, 264112, 264255, 264135, 264136, 264137, 494 16, 494 81, 442 62, 442 68, 442 70, 442 72, 442 74, 442286, 442295, B04B 502, B32B 3104, B28B 716
Patent
active
059722649
ABSTRACT:
A method for fabricating fiber-reinforced composite structures, including centrifuge rotors, by resin transfer molding (RTM) is disclosed. The method involves loading reinforcing fibers into a mold and then injecting resin into the mold to coat the fibers to form the composite structure. Two types of reinforcing fibers are used--fabric preforms at the surfaces of the structure and chopped fibers at the interior of the structure. Also disclosed is a fiber-reinforced composite structure comprising a skin layer of reinforcing fabric, chopped fibers distributed throughout the interior of the structure, and epoxy resin that binds the fabric and chopped fibers together into a fiber-reinforced composite structure. The resin transfer molding method is especially useful for fabricating composite centrifuge rotors.
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Biddle Charles
Malekmadani Mohammad Ghassem
Nguyen Hung
Sheikhrezai Reza
Composite Rotor, Inc.
Gray Robin S.
Silbaugh Jan H.
LandOfFree
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