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1. (WO2018159035) PNEUMATIC TIRE

Pub. No.:    WO/2018/159035    International Application No.:    PCT/JP2017/042466
Publication Date: Sat Sep 08 01:59:59 CEST 2018 International Filing Date: Tue Nov 28 00:59:59 CET 2017
IPC: B60C 15/06
Applicants: THE YOKOHAMA RUBBER CO., LTD.
横浜ゴム株式会社
Inventors: TAUCHI, Risa
田内 梨沙
Title: PNEUMATIC TIRE
Abstract:
The purpose of the present invention is to suppress the occurrence of separation along the edges of all chafers. A pneumatic tire 1 comprises: a carcass layer 13 that is disposed so as to enclose a bead core 11 and a bead filler 12 and be wound back on itself; a steel chafer 21 that is formed by disposing a plurality of steel cords side by side and is disposed between the carcass layer 13 and a rim fitting surface; and sub-chafers 22, 23 that are disposed between the steel chafer 21 and the rim fitting surface, and are composed of organic fibers. The height of an outer edge of the steel chafer 21 on the outer side of the bead filler 12 in the tire width direction is 0.5-0.7 times the height of a rim flange. The heights of outer edges of the sub-chafers 22, 23 on the outer side of the bead filler in the tire width direction is 0.7-0.9 times the height of the rim flange. The winding height of the carcass layer 13 is 2.5-4.5 times the height of the rim flange.