PNEUMATIC TIRE AND PNEUMATIC TIRE MANUFACTURING METHOD

WIPO Patent Application WO/2017/131076

A1

This pneumatic tire is equipped with a tread portion which is provided with a plurality of circumferentially-spaced shoulder lug grooves each extending toward the outside in the width direction of the tire, opening to a ground contact end, and having a closed end on the inside in the tire width direction. In the region of each shoulder lug groove from the end of the widest belt of a belt portion of the pneumatic tire to the inside in the tire width direction, the groove width of said shoulder lug groove decreases toward the inside in the tire width direction, but a portion where the cross-sectional area of said groove is kept constant by the groove wall angle and/or the groove depth of the shoulder lug groove being changed is provided along the tire width direction in a length of at least 20% of half the tread width of the tire.

TAUCHI RISA (JP)

PCT/JP2017/002683

August 03, 2017

January 26, 2017

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YOKOHAMA RUBBER CO LTD (JP)

B60C11/03; B29C33/02; B29C35/02; B29D30/06; B60C9/18; B60C11/13

JPS63106114A	1988-05-11
JP2009034933A	2009-02-19
JPH10305713A	1998-11-17
JP2002248908A	2002-09-03
JPH05254311A	1993-10-05
JPH03193507A	1991-08-23
JP2015063182A	2015-04-09
JP2011225084A	2011-11-10
JP2004210133A	2004-07-29
JP2014073736A	2014-04-24
JP2008173777A	2008-07-31
JPS6325108A	1988-02-02
JP2005193525A	2005-07-21

"JATMA Year Book", 2014, THE JAPAN AUTOMOBILE TYRE MANUFACTURERS ASSOCIATION, INC.
See also references of EP 3409506A4

GLOBAL IP TOKYO (JP)

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