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. 12, 2024

Filed:

Nov. 16, 2020
Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Naokichi Imai, Ehime, JP;

Kotaro Shinohara, Ehime, JP;

Masato Honma, Ehime, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 53/24 (2006.01); B29C 70/34 (2006.01); B29C 70/54 (2006.01); B32B 3/28 (2006.01); B32B 5/02 (2006.01); B29K 105/00 (2006.01); B29K 105/12 (2006.01); B29K 105/24 (2006.01); B29L 7/00 (2006.01);
U.S. Cl.
CPC ...
B29C 53/24 (2013.01); B29C 70/34 (2013.01); B29C 70/54 (2013.01); B32B 3/28 (2013.01); B32B 5/022 (2013.01); B29K 2105/128 (2013.01); B29K 2105/24 (2013.01); B29K 2105/256 (2013.01); B29L 2007/002 (2013.01); B32B 2250/20 (2013.01); B32B 2260/021 (2013.01); B32B 2305/076 (2013.01); B32B 2307/732 (2013.01);
Abstract

An object of the present invention is to provide a fiber-reinforced composite material achieving both lightweight properties and mechanical properties, a laminate thereof, and a prepreg capable of easily molding a sandwich structure thereof. The present invention is a prepreg comprising a reinforced fiber substrate (B) impregnated with a resin (A), wherein the reinforced fiber substrate (B) exists in a folded state having a plurality of folds with a fold angle of 0° or more and less than 90° in the prepreg.


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