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:
Mar. 03, 2020

Filed:

Aug. 04, 2016
Applicant:

Mitsubishi Chemical Corporation, Chiyoda-ku, JP;

Inventors:

Masao Tomioka, Tokyo, JP;

Takeshi Ishikawa, Tokyo, JP;

Takayuki Kobayashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/20 (2006.01); B29C 70/54 (2006.01); B29C 43/00 (2006.01); B29C 70/50 (2006.01); B29C 70/14 (2006.01); B29C 43/48 (2006.01); B29C 43/52 (2006.01); B29K 105/08 (2006.01); B29L 7/00 (2006.01);
U.S. Cl.
CPC ...
B29C 70/205 (2013.01); B29C 43/003 (2013.01); B29C 43/48 (2013.01); B29C 70/14 (2013.01); B29C 70/50 (2013.01); B29C 70/504 (2013.01); B29C 70/508 (2013.01); B29C 70/545 (2013.01); B29C 43/52 (2013.01); B29C 2043/483 (2013.01); B29C 2043/486 (2013.01); B29C 2793/0054 (2013.01); B29K 2105/0872 (2013.01); B29K 2105/0881 (2013.01); B29L 2007/002 (2013.01);
Abstract

A fiber-reinforced plastic producing method capable of easily producing a fiber-reinforced plastic in which swelling and warpage are less likely to occur and of which excellent mechanical characteristics and isotropy are ensured, and a fiber-reinforced plastic in which swelling and warpage are suppressed from occurring. The fiber-reinforced plastic producing method has a step for obtaining a material (A) including a prepreg base material in which a region (B), where reinforcing fibers pulled and aligned in one direction are impregnated with a matrix resin and a plurality of cuts (b) are formed, and a region (C), where a plurality of cuts (c) are formed, are alternately formed in a direction orthogonal to a fiber axis of the reinforcing fiber, a step for hot-pressing the material (A) while moving the material (A) under specific conditions, and a step for cooling the pressed material (A) to obtain the fiber-reinforced plastic.


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