The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 12, 2021

Filed:

May. 04, 2018
Applicant:

Mitsubishi Chemical Corporation, Chiyoda-ku, JP;

Inventors:

Tadao Samejima, Chiyoda-ku, JP;

Yukihiro Mizutori, Chiyoda-ku, JP;

Yasushi Watanabe, Chiyoda-ku, JP;

Junji Kanehagi, Chiyoda-ku, JP;

Masatoshi Kamata, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/12 (2006.01); B29C 70/50 (2006.01); C08J 5/24 (2006.01); D01D 11/02 (2006.01); D02J 1/18 (2006.01); D04H 1/4218 (2012.01); D04H 1/4242 (2012.01); B29B 15/12 (2006.01); D02J 3/02 (2006.01); B29K 105/12 (2006.01); B29K 63/00 (2006.01); B29K 307/04 (2006.01);
U.S. Cl.
CPC ...
B29B 15/122 (2013.01); B29C 70/12 (2013.01); B29C 70/502 (2013.01); C08J 5/24 (2013.01); D01D 11/02 (2013.01); D02J 1/18 (2013.01); D02J 3/02 (2013.01); B29K 2063/00 (2013.01); B29K 2105/12 (2013.01); B29K 2307/04 (2013.01); D04H 1/4218 (2013.01); D04H 1/4242 (2013.01); D10B 2101/06 (2013.01); D10B 2101/12 (2013.01);
Abstract

Provided is a method for manufacturing a fiber-reinforced resin molding material having excellent productivity at low cost for manufacturing a fiber-reinforced resin molded article having excellent strength properties. Provided is a method for manufacturing a sheet-shaped fiber-reinforced resin molding material containing a plurality of cut fiber bundles and a resin impregnated between filaments of the cut fiber bundles, the method comprising an integrated material manufacturing step for obtaining an integrated material by collecting a sheet-shaped fiber bundle aggregate obtained by arranging and spreading a plurality of consecutive fiber bundles in a width direction.


Find Patent Forward Citations

Loading…