Heavy duty tire
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United States of America Patent
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Sep 1, 2015
Grant Date -
Apr 25, 2013
app pub date -
Sep 12, 2012
filing date -
Oct 20, 2011
priority date (Note) -
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Abstract
A heavy duty tire includes a tread portion with a pair of circumferentially extending crown main grooves and a pair of circumferentially extending shoulder main grooves to form a crown land portion, a pair of middle land portions and a pair of shoulder land portions, wherein crown main grooves have groove widths of 2-5% of a tread half width, shoulder main grooves have groove widths of 6-9% of the tread half width, crown lateral grooves are provided on the crown land portion to form a plurality of crown blocks, middle lateral grooves are provided on middle land portions, shoulder lateral grooves are provided on shoulder land portions, crown and middle lateral grooves have groove widths of 0.4-2.0 mm, and shoulder lateral grooves have groove widths of 6-9% of the tread half width.
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