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1. WO2020066404 - PNEUMATIC TIRE

Publication Number WO/2020/066404
Publication Date 02.04.2020
International Application No. PCT/JP2019/033149
International Filing Date 23.08.2019
IPC
B60C 11/13 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
13characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
B60C 11/03 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
CPC
B60C 11/03
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
B60C 11/13
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
13characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
Applicants
  • 横浜ゴム株式会社 THE YOKOHAMA RUBBER CO., LTD. [JP]/[JP]
Inventors
  • 和田 博憲 WADA, Hironori
  • 岩渕 公太郎 IWABUCHI, Kotaro
Agents
  • 特許業務法人酒井国際特許事務所 SAKAI INTERNATIONAL PATENT OFFICE
Priority Data
2018-18448128.09.2018JP
2018-18553428.09.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) PNEUMATIC TIRE
(FR) PNEU
(JA) 空気入りタイヤ
Abstract
(EN)
This pneumatic tire 1 is provided with a circumferential main groove 21 extending in the circumferential direction of the tire, and land portions 31, 32 demarcated by the circumferential main groove 21. Further, a groove opening portion 211 and a groove bottom portion 212 of the circumferential main groove 21 each have a zig-zag shape or a wave-like shape having an amplitude in the width direction of the tire. Further, an outside maximum amplitude position P1oo of an outside edge portion 211o of the groove opening portion 211 is disposed offset in the circumferential direction of the tire relative to an outside maximum amplitude position P2oo of an outside edge portion 212o of the corresponding groove bottom portion 212.
(FR)
La présente invention concerne un pneu (1) comprenant une rainure principale circonférentielle (21) s'étendant dans la direction circonférentielle du pneu, et des parties appuis (31, 32) définies par la rainure principale circonférentielle (21). En outre, une partie ouverture de rainure (211) et une partie inférieure de rainure (212) de la rainure principale circonférentielle (21) ont chacune une forme en zigzag ou une forme ondulée ayant une amplitude dans la direction de la largeur du pneu. En outre, une position d'amplitude maximale extérieure (P1oo) d'une partie bord extérieur (211o) de la partie ouverture de rainure (211) est disposée de manière décalée dans la direction circonférentielle du pneu par rapport à une position d'amplitude maximale extérieure (P2oo) d'une partie bord extérieur (212o) de la partie inférieure de rainure correspondante (212).
(JA)
この空気入りタイヤ1は、タイヤ周方向に延在する周方向主溝21と、周方向主溝21に区画された陸部31、32とを備える。また、周方向主溝21の溝開口部211および溝底部212のそれぞれが、タイヤ幅方向に振幅をもつジグザグ形状あるいは波状形状を有する。また、溝開口部211の外側エッジ部211oの外側最大振幅位置P1ooが、対応する溝底部212の外側エッジ部212oの外側最大振幅位置P2ooに対してタイヤ周方向にオフセットして配置される。
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