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Patent Searching and Data


Title:
METHOD OF MOLDING COMPOSITE-MATERIAL-MADE STRUCTURAL MEMBER AND COMPOSITE-MATERIAL-MADE STRUCTURAL MEMBER
Document Type and Number:
WIPO Patent Application WO/2007/129619
Kind Code:
A1
Abstract:
A method of molding a composite-material-made structural member mainly used as a structural member, such as, for example, channel member or angle member; and a relevant composite-material-made structural member. In particular, there is provided a method of molding a composite-material-made structural member, in which even when the configuration is a long and massive one with non-developable plane, fiber creasing can be inhibited, and provided a relevant composite-material-made structural member. In the stage of pressing a prepreg laminate against a molding die, the stage involves the preparation step of superimposing multiple prepregs with different fiber orientations one upon another in the form of a flat plate to thereby obtain a prepreg laminate for molding die and the pressure application step of pressing the prepreg laminate for molding die prepared in the preparation step against a molding die. In the preparation step, with respect to prepreg under attention having its fiber orientation agreeing with or being close to the direction of creasing, the prepreg is split along the direction being effective for inhibiting of creasing in creasing site or in the vicinity thereof, and the prepreg laminate is prepared by the use of the prepregs after the splitting.

Inventors:
ESAKI KOUJI (JP)
NONAKA YOSHINORI (JP)
MIURA MASAMI (JP)
NISHIYAMA SHIGERU (JP)
ABE TOSHIO (JP)
Application Number:
PCT/JP2007/059217
Publication Date:
November 15, 2007
Filing Date:
April 27, 2007
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
ESAKI KOUJI (JP)
NONAKA YOSHINORI (JP)
MIURA MASAMI (JP)
NISHIYAMA SHIGERU (JP)
ABE TOSHIO (JP)
International Classes:
B29C43/02; B29C70/06; B29K105/08
Foreign References:
JP2004017633A2004-01-22
JP2004017370A2004-01-22
JPH06190847A1994-07-12
JP2002240068A2002-08-28
JPH10100174A1998-04-21
JPS58201614A1983-11-24
US20030057582A12003-03-27
EP1535726A12005-06-01
Other References:
See also references of EP 2014437A4
Attorney, Agent or Firm:
FUJITA, Takaharu et al. (3-1 Minatomirai 3-chome, Nishi-ku, Yokohama-sh, Kanagawa 12, JP)
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