PNEUMATIC TIRE - YOKOHAMA RUBBER CO LTD

Title:

PNEUMATIC TIRE

Document Type and Number:

WIPO Patent Application WO/2019/138768

Kind Code:

A1

Abstract:

A sipe is provided in the tread portion of this pneumatic tire. At each position in the extension direction of the sipe, a first sipe wall face of a pair of sipe wall faces of the sipe is formed with at least two first peak portions and at least one first valley portion which curve undulatingly so as to form a surface texture along the sipe depth direction. The first valley portion is interposed between the two first peak portions in the sipe depth direction and extends from one end toward the other end in the extension direction of the sipe, the depth of the first valley portion with respect to the two first peak portions becomes progressively shallower, and the position in the sipe depth direction of at least one of the two first peak portions and the position in the sipe depth direction of the first valley portion progressively grow nearer.

Inventors:

UCHIDA YUTA (JP)

Application Number:

PCT/JP2018/045702

Publication Date:

July 18, 2019

Filing Date:

December 12, 2018

Export Citation:

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Assignee:

YOKOHAMA RUBBER CO LTD (JP)

International Classes:

B60C11/12

Foreign References:

JPH1148721A	1999-02-23
JP2011105135A	2011-06-02
JPH11310012A	1999-11-09
JP2006044570A	2006-02-16
JP2007186053A	2007-07-26
JP2013103579A	2013-05-30
JP2011105131A	2011-06-02

Other References: