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.
Patent No.:
Date of Patent:
Dec. 12, 2017
Filed:
Oct. 31, 2013
Applicant:
Dunlop Sports Co., Ltd., Kobe-shi, Hyogo, JP;
Inventors:
Assignee:
DUNLOP SPORTS CO. LTD., Kobe-Shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/10 (2015.01); B32B 1/08 (2006.01); C08J 5/24 (2006.01); B32B 5/26 (2006.01); A63B 49/10 (2015.01);
U.S. Cl.
CPC ...
B32B 1/08 (2013.01); A63B 49/10 (2013.01); A63B 53/10 (2013.01); B32B 5/26 (2013.01); C08J 5/24 (2013.01); A63B 2209/02 (2013.01); B32B 2260/023 (2013.01); B32B 2260/046 (2013.01); B32B 2262/106 (2013.01); B32B 2307/51 (2013.01); B32B 2307/54 (2013.01); B32B 2597/00 (2013.01); C08J 2363/02 (2013.01); C08J 2429/14 (2013.01); C08J 2463/02 (2013.01); C08J 2463/04 (2013.01);
Abstract
An object of the present invention is to provide a novel fiber-reinforced epoxy resin material having improved strength. The fiber-reinforced epoxy resin material of the present invention comprises a cured product of an epoxy resin composition and a reinforcing fiber, wherein the epoxy resin composition comprises a novolac type epoxy resin as an epoxy resin component, and the cured product of the epoxy resin composition has a swelling ratio in a range from 20 mass % to 44 mass % in methyl ethyl ketone.