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:
Oct. 14, 2014
Filed:
Dec. 28, 2012
Applicant:
Dunlop Sports Co., Ltd., Kobe, JP;
Inventors:
Kazuyoshi Shiga, Kobe, JP;
Yasuo Naito, Kobe, JP;
Assignee:
Dunlop Sports Co. Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
It is an object to provide a tubular body made from a novel fiber-reinforced epoxy resin material having improved strength. A tubular body made of a fiber-reinforced epoxy resin material according to the present invention is a tubular body made of a fiber-reinforced epoxy resin material comprising a cured product of an epoxy resin composition and a reinforcing fiber. The cured product of the epoxy resin composition has a swelling ratio of 20% by mass to 42.5% by mass in methyl ethyl ketone.