Heavy-duty pneumatic tire
AssigneeSumitomo Rubber Industries, Ltd.
InventorsYoshiki KANAYA, Yoshiyuki TAKADA, Mitsuharu KOYA
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Abstract
A heavy-duty pneumatic tire includes a section width being equal to or less than 335 mm, an aspect ratio being equal to or less than 55%, and a toroidal carcass extending between axially spaced bead portions through a tread portion and sidewall portions. The carcass includes a carcass ply which includes a main portion and a turn-up portion turned up around a bead core of each bead portion. A belt layer is disposed radially outward of the carcass in the tread portion, wherein a radially outer end of the turn-up portion is located between the main portion and the belt layer in the tread portion. A sheeted rubber layer is disposed between the main portion and the turn-up portions in each sidewall portion.
Claims11
A heavy-duty pneumatic tire comprising:
- a section width being equal to or less than 335 mm;
- an aspect ratio being equal to or less than 55%;
- a toroidal carcass extending between axially spaced bead portions through a tread portion and sidewall portions, wherein the carcass comprises a carcass ply comprising a main portion extending between bead cores each disposed in a respective one of the bead portions through the tread portion and the sidewall portions, and a turn-up portion turned up around each bead core of each bead portion from axially inside of the tire to outside of the tire and extending to a radially outer end thereof;
- a belt layer disposed radially outward of the carcass in the tread portion, wherein the radially outer end of the turn-up portion is located between the main portion and the belt layer in the tread portion;
- and
- a sheeted rubber layer disposed between the main portion and the turn-up portion in each sidewall portion.
Dependencies are inferred from the claim text.