Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1992-07-14
1995-08-01
Robinson, Ellis P.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 369, 428 3692, 428212, 428913, 428412, 428413, 428414, 428419, 4284744, 428480, 428500, 428524, 428372, 428373, 428374, 428375, 428398, 138123, 138124, 138125, 138137, 138141, B65D 100
Patent
active
054378990
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
Robinson Ellis P.
Williamson Michael A.
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