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US 2022/0088971 A1Published application
Tire
AssigneeSumitomo Rubber Industries, Ltd.
InventorsMADOKA HOSHINO, YUICHI ISHIGAKI
Life of this patent
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Abstract
The disclosure improves the wear resistance without impairing the on-ice performance. A tire is provided with a block divided by a lateral groove on a ground-contacting part. The block is provided with a plurality of sipes. The plurality of sipes are arranged in a thickness direction of the sipes. Each sipe has a pair of sipe walls that are separated in the thickness direction. Each sipe includes a protrusion that protrudes in a taper shape from one toward the other of the pair of sipe walls.
Claims8
A tire, comprising:
- a tread part,
- wherein the tread part comprises a ground-contacting part,
- the ground-contacting part is provided with a plurality of blocks divided by a lateral groove,
- at least one of the plurality of blocks is provided with a plurality of sipes,
- the plurality of sipes are arranged in a thickness direction of the sipes, and
- each of the plurality of sipes comprises a pair of sipe walls that are separated in the thickness direction, and comprises a protrusion that protrudes in a taper shape from one toward the other of the pair of sipe walls.
3 more elements
Dependencies are inferred from the claim text.