Pneumatic tire
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
May 7, 2015
filing date -
May 29, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A pneumatic tire includes a tread portion provided with at least one zigzag main groove extending continuously in a circumferential direction of the tire with a plurality of zigzag corners. The main groove includes a groove bottom and a pair of groove edges. The groove bottom extends in a zigzag manner in the circumferential direction of the tire with a first amplitude. The groove bottom has a width varying periodically so that a maximum width portion and a minimum width portion appear in turn at the zigzag corners. Each of the groove edges extends in a zigzag manner in the circumferential direction of the tire with a second amplitude, wherein the first amplitude is greater than the second amplitude.
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