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:
May. 08, 2018
Filed:
Apr. 30, 2014
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Daisuke Sato, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, JP;
Abstract
Provided is a pneumatic tire ensuring conductivity while being reduced in weight, and having good fuel efficiency and handling stability. The tire includes a sidewall and a carcass, the sidewall including a laminate of two or more rubber layers including an inner sidewall layer () located closest to the carcass, and an outer sidewall layer () constituting an outer surface of the tire; the layer () including a rubber composition for (); the layer () including a rubber composition for (); the carcass including a carcass cord topped with a rubber composition for a carcass cord topping (); the sidewall having a thickness of 3.0 mm or less; the layer () having a thickness of 0.2-1.0 mm; the composition for () having a volume resistivity of 5.0×10Ω·cm or less; the compositions for () and for (), and the compositions for () and for () satisfying specific relations.