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:
Sep. 04, 2012
Filed:
Apr. 18, 2008
Hidemitsu Nakagawa, Saitama, JP;
Hidemitsu Nakagawa, Saitama, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
A tread portion of a tireto be mounted to a front wheel is divided in the tire widthwise direction into three regions comprising the center tread region A and respective shoulder tread regions C. Two types of tread rubber are used for the tread portion of the front tire. JIS-A hardness of tread rubber of the center tread region A is larger than JIS-A hardness of tread rubber of each shoulder tread region C. A tread portion of a rear tireis divided in the tire widthwise direction into five regions comprising the center tread region A, respective intermediate regions B and respective shoulder tread regions C. Three types of tread rubber are used for the tread portion of the rear tire. JIS-A hardness of tread rubber of the intermediate tread region B is larger than JIS-A hardness of tread rubber of the center tread region A and JIS-A hardness of tread rubber of each shoulder tread region C.