| 摘要 |
<p>A pneumatic tire having an air-permeation prevention layer comprising a film or sheet of a polymer composition including a thermoplastic resin or a blend of a thermoplastic resin and an elastomer whose air permeability coefficient is 25x10-12CC.cm/cm2.sec.cmHg or smaller and whose Young's modulus of elasticity ranges 1 to 500 MPa, the film or sheet being disposed in such a manner that it has no joint portion in a circumferential direction of the tire at least over one circumferentially full length of the tire.</p> |
