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. 26, 2019
Filed:
Oct. 25, 2012
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
[Object] A pneumatic tirewhich is excellent in durability is provided. [Solution] The tireincludes adhesive sheet layers. Each adhesive sheet layerincludes an interposed portionand a protruding portion. The interposed portionis interposed between a base layerand a cap layerof a tread. The protruding portionis layered over a carcass. The adhesive sheet layersare obtained by a rubber composition being crosslinked. The rubber composition contains a tackifier. A width W1 of the interposed portionis preferably greater than or equal to 5 mm, and preferably not greater than 20 mm. A width W2 of the protruding portionis preferably greater than or equal to 10 mm, and preferably not greater than 20 mm. A thickness of each adhesive sheet layeris preferably greater than or equal to 0.5 mm, and preferably not greater than 2.0 mm. A ratio of an adhesive strength of each adhesive sheet layerto an adhesive strength of the cap layeris preferably greater than or equal to 1.30.