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Patent Searching and Data


Title:
METHOD FOR PRODUCING FRP
Document Type and Number:
WIPO Patent Application WO/2012/115067
Kind Code:
A1
Abstract:
This method for producing FRP in which a pre-form made of a reinforced fiber base material is disposed within a cavity of a mold, a resin injection path and a suction path for suctioning at least air are provided to the mold, and resin from the resin injection path is made to flow in the direction toward the suction path within the cavity to impregnate the pre-form is characterized in that a high flow resistance region for partially preventing flow of the resin flowing through the pre-form is formed in the pre-form, and the flow front of the resin flowing in the direction toward the suction path through the high flow resistance region is controlled so as to settle within a permitted region that has been determined in advance with respect to the shape of the molded product. The present invention makes it possible to obtain a molded product of favorable quality with no air traps.

Inventors:
YAMAMOTO KOHNOSUKE (JP)
TSUJI SEIJI (JP)
WATANABE KAZUYA (JP)
Application Number:
PCT/JP2012/054033
Publication Date:
August 30, 2012
Filing Date:
February 21, 2012
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
YAMAMOTO KOHNOSUKE (JP)
TSUJI SEIJI (JP)
WATANABE KAZUYA (JP)
International Classes:
B29C39/24; B29C39/10; B29K105/06
Domestic Patent References:
WO2008114809A12008-09-25
Foreign References:
JPH01242219A1989-09-27
JP2010089501A2010-04-22
Other References:
See also references of EP 2679372A4
None
Attorney, Agent or Firm:
BAN Toshimitsu et al. (JP)
Toshimitsu Ban (JP)
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Claims: