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. 22, 2020
Filed:
Oct. 31, 2017
Applicant:
Toyo Tire & Rubber Co., Ltd., Itami-shi, Hyogo, JP;
Inventor:
Hirokazu Sakata, Itami, JP;
Assignee:
TOYO TIRE CORPORATION, Itami-shi, Hyogo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/00 (2006.01); B29D 30/60 (2006.01);
U.S. Cl.
CPC ...
B60C 11/005 (2013.01); B29D 30/60 (2013.01); B60C 11/0058 (2013.01); B60C 11/0075 (2013.01); B60C 2011/0025 (2013.01); B60C 2011/0033 (2013.01); B60C 2011/0091 (2013.01);
Abstract
In a tire, a tread rubber includes a first layer which is grounded on a road surface in an outer peripheral surface thereof, and a second layer which is joined to an inner peripheral surface of the first layer in an outer peripheral surface thereof, the first layer includes a joint portion where rubbers having different elastic modulus are joined, and the second layer is formed by a rubber having a greater elastic modulus than an elastic modulus of at least one of the rubbers constructing the first layer.