RUN-FLAT TIRE - BRIDGESTONE CORP

Title:

RUN-FLAT TIRE

Document Type and Number:

WIPO Patent Application WO/2021/095884

Kind Code:

A1

Abstract:

A run-flat tire comprises: a side-reinforcing rubber provided along an inner surface of a carcass side portion in a tire width direction; a first inner liner that is provided along an inner surface of a carcass central portion in a tire radial direction and an inner surface of the side-reinforcing rubber in the tire width direction and has both end portions formed on the outside of an inner end portion of the side-reinforcing rubber in the tire radial direction, the end portions extending along the contour of the cross section along a tire rotation axis direction; and a second inner liner that extends along a surface of the first inner liner, the surface being opposite to the carcass central portion, and has both end portions formed on the inside of the both end portions of the first inner liner in the tire radial direction, along the contour of the cross section along the tire rotation axis direction.

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Inventors:

FUKUZAWA KAZUYUKI (JP)

Application Number:

PCT/JP2020/042607

Publication Date:

May 20, 2021

Filing Date:

November 16, 2020

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)

International Classes:

B60C5/14; B60C17/00

Domestic Patent References:

WO1996030221A1

1996-10-03

Foreign References:

JPH0948209A	1997-02-18
JP2018130977A	2018-08-23
JP2015039926A	2015-03-02
JP2010111173A	2010-05-20
JP2011042239A	2011-03-03
JP2019107999A	2019-07-04
JP2014509274A	2014-04-17
JP2012116212A	2012-06-21
JP2019207476A	2019-12-05

Other References: