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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.:

US 9045003 B1

PDFFull Text
Date of Patent:
Jun. 02, 2015

Filed:

Dec. 28, 2009

Pneumatic tire

Applicants:

Ryuji Nakagawa, Tokyo, JP;

Horihisa Kano, Tokyo, JP;

Inventors:

Ryuji Nakagawa, Tokyo, JP;

Horihisa Kano, Tokyo, JP;

Assignee:

BRIDGESTONE CORPORATION, Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Susannah Chung

Assistant Examiner:

Josephine Chang

Int. Cl.
CPC ...
B60C 5/00 (2006.01); B60C 1/00 (2006.01); B60C 5/14 (2006.01); C08C 19/44 (2006.01); C08K 3/00 (2006.01); C08L 15/00 (2006.01); B60C 17/00 (2006.01); C08K 3/04 (2006.01);
U.S. Cl.
CPC ...
B60C 1/00 (2013.01); Y10T 152/10495 (2015.01); B60C 1/0008 (2013.04); B60C 5/14 (2013.01); C08C 19/44 (2013.01); C08K 3/0033 (2013.01); C08K 3/04 (2013.01); C08L 15/00 (2013.01); B60C 2001/0033 (2013.04); B60C 2017/0063 (2013.04); B60C 17/0009 (2013.04);
Abstract

Provided is a pneumatic tire which is improved in a rolling resistance and a ride comfort in normal running without damaging a run flat durability. It is a pneumatic tire provided with a bead core, a carcass layer, a tread rubber layer, an inner liner, a side reinforcing layer and a bead filler, characterized by using a rubber composition (a) which contains (A) a rubber component and (B) a filler and which has a dynamic storage modulus (E') of 10 MPa or less at a dynamic strain of 1% and 25° C. and a Σ value of 5.0 or less in a loss tangent tan δ at 28 to 150° C. in the physical properties of the vulcanized rubber.

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