Tyre
AssigneeSumitomo Rubber Industries, Ltd.
InventorYuichi ISHIGAKI
Life of this patent
Estimating the term…
Abstract
A tyre includes a tread portion including a land portion having a ground contact surface and at least one sidewall. The land portion is provided with a radial channel extending from a radially outer end opened at the ground contact surface to a radially inner end, an internal lateral channel extending under the ground contact surface within the land portion and having one end opened at the at least one sidewall and communicating with the radially inner end of the radial channel, and a sipe opened at the ground contact surface and communicating with the radial channel and the internal lateral channel. The radially outer end of the radial channel has an axial opening width in a range of from 5% to 20% of an axial width of the land portion.
Claims16
A tyre comprising:
- a tread portion comprising at least one land portion, the at least one land portion having a ground contact surface and at least one sidewall;
- and
- the at least one land portion being provided with
- at least one radial channel extending to a radially inner end thereof from a radially outer end thereof opened at the ground contact surface,
- at least one internal lateral channel provided under the ground contact surface of the land portion, the at least one internal lateral channel extending from one end thereof opened at the at least one sidewall to the at least one radial channel, and
- at least one sipe extending radially inwardly from the ground contact surface to communicate with both the at least one radial channel and the at least one internal lateral channel, wherein
- the radially outer end of the at least one radial channel has an axial opening width in a range of from 5% to 20% of an axial width of the at least one land portion.
Dependencies are inferred from the claim text.