Pneumatic tire, studless tire, method for manufacturing pneumatic tire, and method for manufacturing studless tire

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United States of America Patent

PATENT NO 9862814
SERIAL NO

14888285

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Abstract

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Provided are pneumatic tires or studless winter tires that achieve a balanced improvement in fuel economy, reinforcing properties (flex crack growth resistance, abrasion resistance, tensile strength, adhesive strength, resistance to air permeation), grip performance (wet-grip performance, performance on snow and ice), handling stability, and heat aging resistance, and methods for producing such a pneumatic tire or studless winter tire. The present invention relates to a pneumatic tire including at least one component selected from the group consisting of a sidewall, a base tread, a bead apex, a clinch apex, an innerliner, and an undertread, each of which is formed from a rubber composition that contains a highly purified, modified natural rubber whose pH is adjusted to 2 to 7, and carbon black and/or a white filler.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO RUBBER INDUSTRIES LTDKOBE CITY JAPAN HYOGO CENTRAL CRISP BANG TOWN 3 CHOME 6 NO 9 KOBE-SHI HYOGO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sakaki, Toshiaki Kobe, JP 40 586
Yokoyama, Yuka Kobe, JP 34 125

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