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Title:
PI-SHAPED PREFORM WITH BIAS FIBERS
Document Type and Number:
WIPO Patent Application WO/2013/123029
Kind Code:
A3
Abstract:
A woven preform (300) for a reinforced composite material, which may be woven flat and folded into shape. The preform has off-axis reinforcement with one or more legs (315,320) and/or base (310) extending in an off axis or bias (non 0/90 dgeree) orientation with respect to the warp/weft fibers (312,314). One or more legs extend from a base, the base and legs each having at least two layers of warp fibers. The legs may be parallel or angled to each other. The outer ends of the base and/or the legs may have tapers formed from terminating layers of warp fibers in a stepped or angled pattern.

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Inventors:
GILBERTSON BROCK (US)
GOERING JONATHAN (US)
Application Number:
PCT/US2013/025911
Publication Date:
October 17, 2013
Filing Date:
February 13, 2013
Export Citation:
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Assignee:
ALBANY ENG COMPOSITES INC (US)
International Classes:
B29B11/16; B29C70/24; D03D25/00
Domestic Patent References:
WO2009064594A22009-05-22
WO2003023104A12003-03-20
Foreign References:
US20020069927A12002-06-13
US20100105269A12010-04-29
US20050274426A12005-12-15
US20100105268A12010-04-29
US20090247034A12009-10-01
Attorney, Agent or Firm:
SANTUCCI, Ronald, R. (745 Fifth AvenueNew York, NY, US)
Download PDF:
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