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:
Mar. 22, 2016
Filed:
Mar. 18, 2013
The Yokohama Rubber Co., Ltd., Minato-ku, Tokyo, JP;
Kenji Horiuchi, Kanagawa, JP;
Abstract
In a pneumatic tire, a height from a turned-up edge of a carcass layer is not more than 10 mm, a distance from a tire outer surface to the carcass layer is not less than 50% of the total gauge, a height of the bead filler is from 50% to 80% of a tire cross-section height, a cross-sectional area ratio V/Vof the bead filler to a side reinforcing layer is not less than 0.4 and not more than 0.6, a hardness Hsof the bead filler is not less than 65 and not more than 80, and the hardness Hsof the side reinforcing layer is not less than 75 and not more than 85, a size relationship between the hardness Hsand the hardness Hsis Hs≦Hs, a value Tof tan δ is not more than 0.06, and a value Tof tan δ is not more than 0.05.