AUTOMOTIVE TIRE
PROBLEM TO BE SOLVED: To provide an automotive tire reducing columnar resonance sound without reducing water-discharge performance. SOLUTION: The automotive tire in which a main groove 1 extending in a tire circumferential direction is provided on a tread is made to an automotive tire in which a fir...
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Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an automotive tire reducing columnar resonance sound without reducing water-discharge performance. SOLUTION: The automotive tire in which a main groove 1 extending in a tire circumferential direction is provided on a tread is made to an automotive tire in which a first thin groove 11 extending a groove depth direction is provided on a side wall 3 of the main groove 1 and a second thin groove 12 extending in the tire circumferential direction is provided on a tread surface 5 side of the side wall 3 of the main groove 1. Further, the tire is made to an automotive tire in which a second thin groove 12 is provided on a tread surface 5 side than a border B while making height of 30-60% of depth D of the main groove 1 from a groove bottom 6 of the main groove 11 as the border B. COPYRIGHT: (C)2009,JPO&INPIT |
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