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:
Jun. 22, 2010
Filed:
Dec. 12, 2006
Applicant:
Fumikazu Yamashita, Kobe, JP;
Inventor:
Fumikazu Yamashita, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 17/00 (2006.01); B60C 17/04 (2006.01); B60C 17/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A runflat tire having an improved ride comfort performance without impairing the runflat durability, and comprising a carcassand sidewall-reinforcing rubber layershaving a crescent-shaped cross section disposed axially inward of carcassin sidewall portion, wherein each sidewall-reinforcing rubber layercomprises at least a radially outermost first rubber portionand a second rubber portionwhich is contiguous to the first rubber portionand extends toward a bead portion, and the second rubber portionhas a complex modulus E*of at least 1.1 times the complex modulus E*of the first rubber portion