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Title:
PREPREG PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/060299
Kind Code:
A1
Abstract:
This prepreg production method comprises: preparing a matrix resin composition, a first and second release sheets, a pair of elastic bodies, and a reinforced fiber sheet containing a plurality of reinforced fiber bundles; applying the matrix resin composition onto the reinforced fiber sheet to form a prepreg precursor; sandwiching the prepreg precursor between the first release sheet and the second release sheet in such a way that a first face of the first and the second release sheets is in contact with the prepreg precursor and that the first and the second release sheets have extended portions extending in the width direction from both extremities of the prepreg precursor; disposing the pair of elastic bodies so as to face the extended portions of the second release sheet and be in contact with the second face of the second release sheet; and applying a pressure simultaneously on the prepreg precursor, the first and the second release sheets, and the elastic bodies, in the thickness direction of the prepreg precursor.

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Inventors:
MIYAUCHI AKIRA (JP)
SAMEJIMA TADAO (JP)
ICHINO MASAHIRO (JP)
TERANISHI TAKUYA (JP)
Application Number:
PCT/JP2014/077945
Publication Date:
April 30, 2015
Filing Date:
October 21, 2014
Export Citation:
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Assignee:
MITSUBISHI RAYON CO (JP)
International Classes:
C08J5/24
Foreign References:
JPH04189110A1992-07-07
JPS49115469U1974-10-02
JPH0376613A1991-04-02
JP2005014600A2005-01-20
JP2013060515A2013-04-04
JPH07258440A1995-10-09
JP2005146006A2005-06-09
JP2010076249A2010-04-08
JP2014015563A2014-01-30
JP2014018993A2014-02-03
JPH06170847A1994-06-21
JPH06200051A1994-07-19
Other References:
See also references of EP 3061785A1
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
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