Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation
Patent
1995-04-07
1996-07-30
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
With twining, plying, braiding, or textile fabric formation
156166, 156196, 264137, 26417113, 26417124, 26417126, 264257, 264295, 425112, B29B 1116, B29C 5312
Patent
active
055408702
ABSTRACT:
A structural member of fiber reinforced composite material suitable for secondary processing and a method of processing is described. The structural member before secondary processing is typically a multi-ply tube, rod, or sheet formed with an outer sheath of fiber reinforced thermoplastic material having a melting temperature t.sub.m1 and an inner core material, also fiber reinforced thermoplastic, having a melting temperature, t.sub.m2 lower than t.sub.m1. The member, prior to secondary processing, is thermoplastic. In a secondary process the member is heated to a temperature between t.sub.m1 and t.sub.m2, but sufficient to render the outer sheath malleable. The member is deformed to a desired geometry, such as a helix, and cooled to a hardened state.
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Composite Development Corporation
Thurlow Jeffery R.
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