TIRE

WIPO Patent Application WO/2023/203816

A1

At least one main groove 2 is a serpentine main groove 21 having a first groove wall 2a and a second groove wall 2b each including an upper groove wall part and a lower groove wall part, the upper groove wall parts being connected to a groove bottom portion 2c by way of the lower groove wall parts. A lower groove wall upper edge 2ale of the first groove wall 2a extends in an undulating shape in a circumferential direction of the tire such that a minimum groove wall angle part and a maximum groove wall angle part appear alternately with a predetermined repetition period in the circumferential direction of the tire, and a lower groove wall upper edge 2ble of the second groove wall 2b extends in an undulating shape in the circumferential direction of the tire. The minimum groove wall angle part and the maximum groove wall angle part of the first groove wall 2a are in the same positions in the circumferential direction of the tire as a wide groove portion and a narrow groove portion respectively. An upper groove wall upper edge 2aue of the first groove wall 2a extends linearly, with an undulating shape, or with a zig-zag shape, with an amplitude that is less than an amplitude of the lower groove wall upper edge 2ale of the first groove wall 2a.

HAYASHI SHINTARO (JP)

PCT/JP2023/000676

October 26, 2023

January 12, 2023

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BRIDGESTONE CORP (JP)

B60C11/13; B60C5/00; B60C11/03

JP2012001075A	2012-01-05
JP2017024687A	2017-02-02
JP2006151029A	2006-06-15
JP2006051936A	2006-02-23
JP2016068635A	2016-05-09

SUGIMURA Kenji (JP)

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