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.

Date of Patent:
Jan. 16, 2018

Filed:

May. 31, 2012
Applicants:

Hideki Kitano, Yoshikawa, JP;

Tetsuo Amamoto, Kodaira, JP;

Takatsugu Tanaka, Kokubunji, JP;

Nahoto Hayashi, Kurashiki, JP;

Masao Hikasa, Kibi chuo-cho, JP;

Yusuke Tanaka, Kamisu, JP;

Inventors:

Hideki Kitano, Yoshikawa, JP;

Tetsuo Amamoto, Kodaira, JP;

Takatsugu Tanaka, Kokubunji, JP;

Nahoto Hayashi, Kurashiki, JP;

Masao Hikasa, Kibi chuo-cho, JP;

Yusuke Tanaka, Kamisu, JP;

Assignees:

BRIDGESTONE CORPORATION, Tokyo, JP;

Kuraray Co., Ltd., Kurashiki-shi, Okayama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/02 (2006.01); B60C 1/00 (2006.01); B32B 25/08 (2006.01); B60C 5/14 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01);
U.S. Cl.
CPC ...
B32B 7/02 (2013.01); B32B 25/08 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B60C 1/0008 (2013.01); B60C 5/14 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2307/552 (2013.01); B32B 2307/7242 (2013.01); B32B 2605/08 (2013.01); B60C 2005/145 (2013.01); Y10T 428/2495 (2015.01); Y10T 428/24975 (2015.01); Y10T 428/31573 (2015.04);
Abstract

To provide a multilayer structure having high gas barrier property and crack resistance as well as excellent fatigue resistance, an inner liner for a pneumatic tire using such a multilayer structure, and a pneumatic tire comprising the inner liner. According to the present invention, in a multilayer structureincluding a barrier layerand an elastomer layer, a proportion of a thickness of the elastomer layerin the multilayer structure ((U+U+ . . . +Un)/T) is 60% or more.


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