Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2019043517
Kind Code:
A
Abstract:
To provide a pneumatic tire comprising an asymmetric tread pattern, capable of suppressing uneven wear and reduction of a tire performance when wear progresses.SOLUTION: A tread pattern of a pneumatic tire comprises: plural peripheral grooves comprising two outside peripheral grooves and two inside peripheral grooves; two shoulder land part areas; and two inside land part areas sandwiched by adjacent inside peripheral groove and outside peripheral groove. The first inside land part area has an STl larger than that of the second inside land part area. At least one of the first inside land part area and the first shoulder land part area facing each other while sandwiching the first outside peripheral groove has a second rubber whose JIS hardness is larger than that of a first rubber provided on the shoulder land part area and inside land part area, which is arranged to extend in a thickness direction of the tread part, and which is arranged on at least a partial area of a tire width direction area in contact with the first outside peripheral groove.SELECTED DRAWING: Figure 2

Inventors:
NUKUSHINA RYOSUKE
Application Number:
JP2017172218A
Publication Date:
March 22, 2019
Filing Date:
September 07, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C11/03; B60C5/00; B60C11/12
Attorney, Agent or Firm:
Global IP Tokyo Patent Business Corporation



 
Previous Patent: 空気入りタイヤ

Next Patent: シートベルト装置