Bridgestone Corporation

Japan Energy Corporation

Shinsuke Nakane

Toru Imori

Daisuke Nohara

Kanji Fujiki

Takatsugu Hashimoto

Osamu Uchino

Kazunori Iida

Tsutomu Saeki

Kazuhiko Kanou

This invention relates to a pneumatic tire provided at its bead portion with a rubber chafer () and covered at its inner surface with an innerliner (), wherein a toe rubber () is further arranged on a toe end part of the bead portion so as to overlap with the rubber chafer () and the innerliner () and locate at least outside the innerliner () at the overlapped portion with the innerliner (), and a rubber composition A containing at least one of butyl rubber and halogenated butyl rubber as 20-40 mass % of a rubber component is used in the toe rubber ().

Pneumatic tire with specified toe rubber

Adhesion promoter composition and adherent rubber composition containing

An adherent rubber composition suitable for use in the adhesion to steel cords comprises given amounts of an inorganic salt hydrate and sulfur based on 100 parts by weight of rubber ingredient comprising not less than 10% by weight of at least one synthetic rubber and the remainder being natural rubber.

Adherent rubber composition for steel cord

Rubber composition for tire tread

Growing community of inventors

Kodaira, Japan

Shinsuke Nakane