Bridgestone Corporation

Naoyuki Sone

Kohei Sahashi

Takayuki Kurata

Takahiro Suzuki

Hiroyuki Fudemoto

Atsushi Fukushima

Takumi Yamada

Emil Giza

Atsuko Honjyo

Soichi Kyo

Masahiro Homma

Tire tread

A tire is provided, which includes: a circular tire frame formed from a resin material containing an olefin resin; and an exterior member formed from a thermoplastic rubber vulcanizate which contains an ethylene-propylene-diene rubber and a polyethylene-based resin, and in which a content of the ethylene-propylene-diene rubber is from 20% by mass to 45% by mass with respect to a total mass of the thermoplastic rubber vulcanizate, and a fluidity is from 1.0 g/10 min to 60 g/10 min.

Tire

Provided is a tire which includes a circular tire frame formed from a resin material that contains a linear low-density polyethylene having a crystallization degree of from 110 J/g to 138 J.

A tire having a circular tire frame formed of a resin material, the resin material including an olefin-based resin composition and having a tensile elastic modulus as defined in JIS K7113 (1995) of from 140 MPa to 570 MPa and an amount of creep as defined in JIS K7115 (1999) of 50 mm or less, and a degree of crystallinity of the polypropylene-based resin being from 24.5% to 32.7%.

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Tokyo, Japan

Naoyuki Sone