发明名称 PNEUMATIC TIRE
摘要 <p>A pneumatic tire using an air permeation preventive layer comprising a film composed of a polymer composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer having an air permeation coefficient of not more than 25 x 10<-12> cc.cm/cm<2>.sec.cmHg and a Young's modulus of 1 to 1000 MPa which is arranged so as to substantially cover the inner surface of the tire at least in the range of 20 mm from the position of the two ends of the belt to the direction of the crown center and is also arranged so as to substantially cover the inner surface of the tire at the crown center side of a position a maximum of 20 mm from the position of the two ends of the belt to the direction of the bead portion and applies an air permeation preventive layer comprised of rubber so as to substantially cover the rest of the inner surface of the tire and using an air permeation preventive layer having an actual elongation at break of at least 15% in the circumferential direction and radial direction at the tire side portions in a range of at least 0.5H to 0.65H of the tire sectional height H. <IMAGE></p>
申请公布号 EP0761478(B1) 申请公布日期 2002.09.25
申请号 EP19960906910 申请日期 1996.03.21
申请人 THE YOKOHAMA RUBBER CO., LTD. 发明人 KAIDO, HIROYUKI;YAMAKAWA, KAZUTO;WATANABE, JIRO;SHIDA, ZENICHIRO;HASHIMURA, YOSHIAKI
分类号 B60C1/00;B60C5/14;(IPC1-7):B60C5/14 主分类号 B60C1/00
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