Tire

WO2026126764A1PCT designated stage Publication Date: 2026-06-18SUMITOMO RUBBER INDUSTRIES LTD

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
SUMITOMO RUBBER INDUSTRIES LTD
Filing Date
2025-11-20
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

Existing tires lack sufficient cut resistance, necessitating further improvements in this area.

Method used

A tire design with a grooved tread comprising a rubber composition containing natural rubber and an aromatic polyhydric alcohol, which acts as a radical scavenger to stabilize molecular chains during the mixing process, enhancing cut resistance.

🎯Benefits of technology

The tire's design stabilizes molecular chains, improving fracture characteristics and enhancing cut resistance through the use of aromatic polyhydric alcohols, thereby increasing the tire's durability and performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

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Patent Text Reader

Abstract

Provided is a tire with improved cut resistance. This tire has a tread in which grooves are formed. The tread comprises a rubber composition containing aromatic polyol and a rubber component including natural rubber.
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