Pneumatic tire
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United States of America Patent
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Jul 29, 2014
Grant Date -
Aug 26, 2010
app pub date -
Sep 9, 2008
filing date -
Sep 12, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A pneumatic tire (1) having a sound absorption effect by lateral grooves is provided. The tire tread (2) has circumferential grooves formed continuously in the circumferential direction and lateral grooves extending from a circumferential groove. One end of each lateral groove is connected to the circumferential groove and the other end is a dead end. Each of the lateral grooves (7) includes a one-directional groove (11) extending in one direction from the circumferential groove (5) toward a side edge of the tire and an another-directional groove (14) extending in another direction from the circumferential groove toward the side edge of the tire. A root section (11a), which is close to the circumferential groove, of the one-directional groove (11) and a root section (14a), which is close to the circumferential groove (5), of the another-directional groove (14) are formed by a common groove (15). And a leading part (1b) of the one-directional groove (11) and a leading part (14b) of the another-directional groove (14) are branching away from each other from a leading end of the common groove (15).
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