PNEUMATIC TIRE - SUMITOMO RUBBER IND

Title:

PNEUMATIC TIRE

Document Type and Number:

WIPO Patent Application WO/2013/069342

Kind Code:

A1

Abstract:

A pneumatic tire which is provided with an inner liner in the inside thereof, wherein the inner liner is constituted of a sheet made from an elastomer composition which comprises 7 to 93 mass% of a styrene-isobutylene-styrene triblock copolymer and 7 to 93 mass% of an isobutylene-based modified copolymer that contains a β-pinene component, while the Gs/Gb ratio of the inner liner is 0.30 to 0.75, Gb being an average thickness in the bead region (Rb) extending from the tire maximum width position to the bead toe, and Gs being an average thickness in the buttress region (Rs) extending from the tire maximum width position to the position (Lu) corresponding to the edge of a belt layer.

Inventors:

IIZUKA TORU (JP)
MASUI TOMOMI (JP)
SUGIMOTO MUTSUKI (JP)

Application Number:

PCT/JP2012/069159

Publication Date:

May 16, 2013

Filing Date:

July 27, 2012

Export Citation:

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Assignee:

SUMITOMO RUBBER IND (JP)
IIZUKA TORU (JP)
MASUI TOMOMI (JP)
SUGIMOTO MUTSUKI (JP)

International Classes:

B60C5/14

Domestic Patent References:

WO2007116983A1

2007-10-18

Foreign References:

JP2008174037A	2008-07-31
JP2011074309A	2011-04-14
JP2010195969A	2010-09-09
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JP2011051320A	2011-03-17
JPH0919987A	1997-01-21
JP2999188B1	2000-01-17
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JP2008024219A	2008-02-07
JP2008174037A	2008-07-31
JP2007291256A	2007-11-08
JP2009298986A	2009-12-24
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JP2010195969A	2010-09-09
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Other References: