Title:
METHOD FOR PRODUCING PREPREG AND METHOD FOR MOLDING COMPOSITE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/059613
Kind Code:
A1
Abstract:
A method for producing a prepreg in which a reinforcing fiber base material is impregnated with a resin to produce a prepreg, wherein said method comprises: a step for preparing a first resin, which is the resin containing a filler, and a second resin, which is the resin not containing a filler; a step for arranging the second resin adjacent to the reinforcing fiber base material; a step for arranging the first resin adjacent to the reinforcing fiber base material and/or the second resin; and a step for impregnating the reinforcing fiber base material with the resin of the first resin and the second resin.
Inventors:
NISHIGUCHI KIICHI (JP)
AKIYAMA HIROMICHI (JP)
AKIYAMA HIROMICHI (JP)
Application Number:
PCT/JP2021/033295
Publication Date:
March 24, 2022
Filing Date:
September 10, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND AERO ENGINES LTD (JP)
International Classes:
B29B11/16; C04B35/80; C04B35/84; B29K105/08
Domestic Patent References:
| WO2013128841A1 | 2013-09-06 | |||
| WO2012002434A1 | 2012-01-05 | |||
| WO2008038591A1 | 2008-04-03 |
Foreign References:
| JPH04239034A | 1992-08-26 | |||
| JP2009127013A | 2009-06-11 | |||
| JPS5240588A | 1977-03-29 | |||
| JP2010260990A | 2010-11-18 | |||
| JP2016204522A | 2016-12-08 | |||
| JP2013503930A | 2013-02-04 | |||
| JPS63170427A | 1988-07-14 |
Other References:
See also references of EP 4169688A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: