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Title:
METHOD AND APPARATUS FOR APPLYING A COMPACTION PRESSURE TO A FABRIC PREFORM DURING WRAPPING
Document Type and Number:
WIPO Patent Application WO/2013/096213
Kind Code:
A3
Abstract:
Disclosed are a method and an apparatus for applying a compaction pressure to a fabric (44) during formation of a fabric preform (20). One end of the fabric (44) is applied to the form (104) having a central axis (D-D). The form (104) with the fabric (44) applied thereto is at least partially surrounded with a film (106). This film (106) extends along a film path to the form (104) and around at least a portion of the form (104). The fabric (44) and the film (106) are fed onto the form (104) such that the fabric (44) is wrapped around the form (104) to create the fabric preform (20) while the film (106) is fed around the form (104). A vacuum is drawn to evacuate a gas from between the form (104) and the film (106), thereby pressing the film (106) onto the fabric (44) and applying the compaction pressure to the fabric (44).

Inventors:
FEENEY CHRISTOPHER JOHN (US)
HAYSE STEVEN ROBERT (US)
Application Number:
PCT/US2012/070127
Publication Date:
August 15, 2013
Filing Date:
December 17, 2012
Export Citation:
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Assignee:
GKN AEROSPACE SERVICES STRUCTURES CORP (US)
FEENEY CHRISTOPHER JOHN (US)
HAYSE STEVEN ROBERT (US)
International Classes:
B29B11/16; B29C70/32; B29C70/44; B29L23/00
Domestic Patent References:
WO2008130738A12008-10-30
WO2009057023A22009-05-07
Foreign References:
US4923541A1990-05-08
US2674557A1954-04-06
US3367816A1968-02-06
US5259901A1993-11-09
EP1878562A12008-01-16
US5698055A1997-12-16
Attorney, Agent or Firm:
ARK, Daniel, J. (411 E. Wisconsin Ave.Milwaukee, WI, US)
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