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. 25, 2012
Filed:
Feb. 04, 2010
Kazumi Yamazaki, Kobe, JP;
Kazumi Yamazaki, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe-Shi, Hyogo, JP;
Abstract
A heavy-load tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core therein, a carcass comprising a carcass ply of cords including a main portion and a pair of turnup portions, and an inner liner made from air-impermeable rubber and disposed on the tire internal cavity surface. The inner liner includes a radially inner portion that terminates radial inside than a lateral reference line passing through the innermost axial point and outermost axial point of the bead core. A rubber thickness ta is in a range of from 2.5 to 5.0 mm ranging from the tire internal cavity surface to the cord of the carcass ply on the lateral reference line, and an inner liner thickness tb is smaller than the rubber thickness ta and is in a range of from 0.5 to 3.0 mm on the lateral reference line.