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1. JP2021187266 - PNEUMATIC TIRE

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Office
Japan
Application Number 2020093557
Application Date 28.05.2020
Publication Number 2021187266
Publication Date 13.12.2021
Publication Kind A
IPC
B60C 19/00
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
19Tyre parts or constructions not otherwise provided for
CPC
B60C 19/00
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
19Tyre parts or constructions not otherwise provided for
Applicants YOKOHAMA RUBBER CO LTD:THE
横浜ゴム株式会社
Inventors NARUSE MASAKIMI
成瀬　雅公
NAGAHASHI YUKI
長橋　祐輝
Agents 清流国際特許業務法人
昼間　孝良
境澤　正夫
Title
(EN) PNEUMATIC TIRE
(JA) 空気入りタイヤ
front page image
Abstract
(EN)

PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of improving a communication property of a transponder while ensuring tire durability.

SOLUTION: A pneumatic tire comprises: a tread portion extending in a tire circumferential direction to form an annular shape; a pair of sidewall portions arranged on both sides of the tread portion; and a pair of bead portions arranged on an inner side of a tire radial direction of these sidewall portions. A transponder 20 is embedded in the sidewall portion. The transponder 20 is covered with a coating layer 23. A relative permittivity of the coating layer 23 is lower than a relative permittivity of a peripheral rubber member adjacent to the covering layer 23. A total thickness Gac of the coating layer 23 and a maximum thickness Gar of the transponder 20 satisfy a relation of 1.1≤Gac/Gar≤3.0.

SELECTED DRAWING: Figure 4

COPYRIGHT: (C)2022,JPO&INPIT


(JA)

【課題】タイヤの耐久性を確保しながら、トランスポンダの通信性を改善することを可能にした空気入りタイヤを提供する。
【解決手段】タイヤ周方向に延在して環状をなすトレッド部と、該トレッド部の両側に配置された一対のサイドウォール部と、これらサイドウォール部のタイヤ径方向内側に配置された一対のビード部とを備えた空気入りタイヤにおいて、サイドウォール部にトランスポンダ２０が埋設され、トランスポンダ２０が被覆層２３により被覆され、被覆層２３の比誘電率が被覆層２３に隣接する周辺ゴム部材の比誘電率よりも低く、被覆層２３の総厚さＧａｃとトランスポンダ２０の最大厚さＧａｒとが１．１≦Ｇａｃ／Ｇａｒ≦３．０の関係を満たす。
【選択図】図４
Related patent documents
WO/2021/241202
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