JPS6233902U

JPS6233902U -

Info

Publication number: JPS6233902U
Application number: JP12687685U
Authority: JP
Priority date: 1985-08-19
Filing date: 1985-08-19
Publication date: 1987-02-28

Description

[Brief explanation of the drawing]

第１図はタイヤトレツド部の正面図、第２図、
第３図は第１図のＡ―Ａ′断面図、Ｂ―Ｂ′断面
図を示す。Ｃ……タイヤ赤道、Ｇ０……中央縦溝、Ｇ１，
Ｇ２……側縦溝、ｊ……Ｇ０のジグザグ角度、α
，β′……タイヤ赤道に近い側の縦溝の側壁角度
、α′，β……タイヤ赤道に遠い側の縦溝の側壁
角度。 Figure 1 is a front view of the tire tread; Figure 2 is a front view of the tire tread;
FIG. 3 shows a sectional view taken along line AA' and line BB' in FIG. C...Tire equator, G0...Central longitudinal groove, G1,
G2...Side longitudinal groove, j...Zigzag angle of G0, α
, β'... Side wall angle of the longitudinal groove on the side closer to the tire equator, α', β... Side wall angle of the longitudinal groove on the side farther from the tire equator.

Claims

[Scope of utility model registration request]

a zigzag central longitudinal groove extending along the tire equator, the sidewalls of the longitudinal groove having varying angles with respect to the normal to the tread surface, the sidewall angle of the zigzag edge closer to the tire equator being farther; A radial tire for trucks and buses which prevents stone bite, characterized in that the angle is larger than the side wall angle of at least 12 degrees.