HEAVY DUTY PNEUMATIC TIRE
First Claim
Patent Images
1. A heavy duty pneumatic tire, comprising a tread portion,the tread portion comprising a rubber composition containing:
- an isoprene rubber;
a butadiene rubber;
a styrene-butadiene rubber; and
a carbon black having at least one of an average particle size of 20 nm or less or a cetyltrimethylammonium bromide adsorption specific surface area of 130 m2/g or more,the tread portion having a land ratio of 81% or higher.
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Accused Products
Abstract
Provided is a heavy duty pneumatic tire having excellent abrasion resistance. The heavy duty pneumatic tire includes a tread portion including a rubber composition containing: an isoprene rubber; a butadiene rubber; a styrene-butadiene rubber; and a carbon black having an average particle size of 20 nm or less and/or a cetyltrimethylammonium bromide adsorption specific surface area of 130 m2/g or more, the tread portion having a land ratio of 81% or higher.
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Citations
4 Claims
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1. A heavy duty pneumatic tire, comprising a tread portion,
the tread portion comprising a rubber composition containing: - an isoprene rubber;
a butadiene rubber;
a styrene-butadiene rubber; and
a carbon black having at least one of an average particle size of 20 nm or less or a cetyltrimethylammonium bromide adsorption specific surface area of 130 m2/g or more,the tread portion having a land ratio of 81% or higher. - View Dependent Claims (2, 3, 4)
- an isoprene rubber;
Specification