| 摘要 |
PROBLEM TO BE SOLVED: To effectively display cavity resonance suppressing effect to reduce road noise in a limited volume. SOLUTION: A long sheet 5 for suppressing noise by use of a sponge material is bonded to an inner face 2S of the tire facing below a tread and inner void 4 of the tire. When width of the long sheet 5 is W, its thickness is T, its length is L, and whole the volume of the inner void 4 of the tire is V, sheet shape index E shown by following equation 1 is set larger than 1. E=0.42+0.45×(W×T×L/V×100)+1.11×(T/W) (1). COPYRIGHT: (C)2003,JPO
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