Pneumatic tire
AssigneeBridgestone Corporation
InventorsNaoko ISHIKAWA, Yasuo HIMURO, Sotaro IWABUCHI
Life of this patent
Estimating the term…
Abstract
A pneumatic tire including: a tread portion is in contact with a road surface; and a side wall portion is continuous to the tread portion and positioned inside a tire radial direction of the tread portion. A large region including a plurality of small regions having different arithmetic average roughness outside in a tire width direction is formed on outer surface of the side wall portion. A plurality of large regions are formed along a tire circumferential direction and the tire radial direction. In a boundary line of adjacent large region, small regions having different arithmetic average roughness come into contact with each other.
Claims4
A pneumatic tire comprising:
- a tread portion is in contact with a road surface;
- and
- a side wall portion is continuous to the tread portion and positioned inside a tire radial direction of the tread portion,
- wherein
- a large region comprising a plurality of small regions having different arithmetic average roughness outside in a tire width direction is formed on outer surface of the side wall portion,
- a plurality of large regions are formed along a tire circumferential direction and the tire radial direction, and
- in a boundary line of adjacent large region, small regions having different arithmetic average roughness come into contact with each other.
Dependencies are inferred from the claim text.