Title:
METHOD AND APPARATUS FOR Z-DIRECTION REINFORCEMENT OF COMPOSITE LAMINATES
Document Type and Number:
WIPO Patent Application WO2004041528
Kind Code:
A3
Abstract:
A method and apparatus for Z-direction reinforcement of composite laminates is disclosed. Discrete fibers (25) are pulled through a fiber composite preform (11) in the Z-direction by needles (27) having bars (29) thereon to insert the Z-direction reinforcement (31) into the composite preform (11) from a discrete fiber mat (23) having discrete fibers (25) therein.
Inventors:
HETHCOCK J DONN (US)
DRENNAN J SCOTT (US)
COMINSKY KEN D (US)
DRENNAN J SCOTT (US)
COMINSKY KEN D (US)
Application Number:
PCT/US2003/034946
Publication Date:
July 08, 2004
Filing Date:
November 03, 2003
Export Citation:
Assignee:
BELL HELICOPTER TEXTRON INC (US)
HETHCOCK J DONN (US)
DRENNAN J SCOTT (US)
COMINSKY KEN D (US)
HETHCOCK J DONN (US)
DRENNAN J SCOTT (US)
COMINSKY KEN D (US)
International Classes:
B29C65/00; B29C65/42; B29C65/48; B29C65/56; B29C70/24; B29C70/26; B32B1/00; D04H13/00; B29C51/00; B29C51/02; B32B; (IPC1-7): B32B31/00
Foreign References:
| US3657061A | 1972-04-18 | |||
| US5642679A | 1997-07-01 | |||
| US5935698A | 1999-08-10 | |||
| US6360412B1 | 2002-03-26 |
Other References:
See also references of EP 1560701A4
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