| 摘要 |
<p>A pneumatic tire and rim assembly (1) is provided in the cavity with a noise damper (4) in which a sponge material extending in a circumferential direction of the tire and having a volume V2 of 0.4 to 20% of entire volume V1 of the cavity, wherein the noise damper (4) comprises a fixing surface (4L) fixed to a surface which surrounds the tire cavity, and a free surface (4U) directed to the tire cavity (i), a maximum value of thickness (T) from the fixing surface (4L) to the free surface (4U) is in a range of 5 to 50 mm, including a thick mountain portion (20) and a thin valley portion (21); and at least one of outer ends (4E) of the noise damper in the circumferential direction of the tire is formed into an inclined surface portion (30) comprising a first inclined surface (30A) rising from the fixing surface (4L) and a second inclined surface (30B) extending from the first inclined surface (30A) to the free surface (4U).</p> |
