JPS6449402U - - Google Patents
Info
- Publication number
- JPS6449402U JPS6449402U JP14441887U JP14441887U JPS6449402U JP S6449402 U JPS6449402 U JP S6449402U JP 14441887 U JP14441887 U JP 14441887U JP 14441887 U JP14441887 U JP 14441887U JP S6449402 U JPS6449402 U JP S6449402U
- Authority
- JP
- Japan
- Prior art keywords
- tread
- central area
- pneumatic tire
- curvature
- radius
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図はこの考案に従う空気入りタイヤの断面
図、第２図はトレツド幅方向の接地圧分布を示す
グラフ、第３図は従来の空気入りタイヤの断面図
、である。
１ａ，１ｂ，２ａ，２ｂ…周溝、Ｔ…トレツド
部、Ｗ…トレツド幅、ＴＣ…中央域、ＴＳ…側域
、Ｒ１…中央域の曲率半径、Ｒ２…側域の曲率半
径。
FIG. 1 is a sectional view of a pneumatic tire according to this invention, FIG. 2 is a graph showing ground pressure distribution in the tread width direction, and FIG. 3 is a sectional view of a conventional pneumatic tire. 1a, 1b, 2a, 2b...peripheral groove, T...tread portion, W...tread width, TC...center area, TS...side area, R1 ...curvature radius of center area, R2 ...curvature radius of side area.
Claims (1)
トレツド周線に沿いジクザグ形をなして延びる複
数の周溝をそなえる空気入りタイヤにして、 トレツド部の中央域はトレツド幅の６０〜７０
％および両側域はそれぞれトレツド幅の１５〜２
０％を占めかつ、中央域の輪郭における曲率半径
Ｒ１と側域の輪郭における曲率半径Ｒ２との比Ｒ
２／Ｒ１が０．２〜０．６の範囲にあることを特
徴とする空気入りタイヤ。[Scope of claim for utility model registration] Only in the central area sandwiched between both sides of the treaded part,
This is a pneumatic tire with multiple circumferential grooves extending in a zigzag shape along the tread circumference, and the central area of the tread is 60 to 70 mm wide of the tread width.
% and both sides are 15 to 2 of the tread width, respectively.
0% and the ratio R of the radius of curvature R1 in the contour of the central area and the radius of curvature R2 in the contour of the side areas
A pneumatic tire characterized in that 2 / R1 is in the range of 0.2 to 0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14441887U JPS6449402U (en) | 1987-09-24 | 1987-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14441887U JPS6449402U (en) | 1987-09-24 | 1987-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6449402U true JPS6449402U (en) | 1989-03-27 |
Family
ID=31412114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14441887U Pending JPS6449402U (en) | 1987-09-24 | 1987-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6449402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018118579A (en) * | 2017-01-24 | 2018-08-02 | 住友ゴム工業株式会社 | Pneumatic tire |
-
1987
- 1987-09-24 JP JP14441887U patent/JPS6449402U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018118579A (en) * | 2017-01-24 | 2018-08-02 | 住友ゴム工業株式会社 | Pneumatic tire |