JPH0450006A - Pneumatic tire - Google Patents
Pneumatic tireInfo
- Publication number
- JPH0450006A JPH0450006A JP2157445A JP15744590A JPH0450006A JP H0450006 A JPH0450006 A JP H0450006A JP 2157445 A JP2157445 A JP 2157445A JP 15744590 A JP15744590 A JP 15744590A JP H0450006 A JPH0450006 A JP H0450006A
- Authority
- JP
- Japan
- Prior art keywords
- tire
- main groove
- groove
- shoulder
- grooves
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000002093 peripheral effect Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0304—Asymmetric patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0302—Tread patterns directional pattern, i.e. with main rolling direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0374—Slant grooves, i.e. having an angle of about 5 to 35 degrees to the equatorial plane
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、排水性を向上させた空気入りタイヤに関する
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a pneumatic tire with improved drainage performance.
従来、特に乗用車用空気入りタイヤの湿潤路走行性能(
ウェット性能)を向上させてハイドロプレーニングが生
じるのを防止するために、第7図および第8図に示され
るような方向性パターンと呼ばれるトレンドパターンを
有するタイヤが提案されている。第7図では、回転方向
をTとするトレッド表面1にタイヤ周方向に設けられた
複数本の直線状の主溝2を横切るようにヘリカル状(サ
イン波形状)のサブ溝3が設けられている。第8図では
、回転方向をTとするトレッド表面1にタイヤ周方向に
設けられた複数本の直線状の主溝2を横切るように若干
カーブした山形形状のサブ溝3が設けられている。Conventionally, wet road performance of pneumatic tires for passenger cars (
In order to improve wet performance (wet performance) and prevent hydroplaning, tires having a trend pattern called a directional pattern as shown in FIGS. 7 and 8 have been proposed. In FIG. 7, a helical (sine wave) sub-groove 3 is provided on a tread surface 1 whose rotational direction is T so as to cross a plurality of linear main grooves 2 provided in the circumferential direction of the tire. There is. In FIG. 8, a slightly curved chevron-shaped sub-groove 3 is provided on a tread surface 1 whose rotational direction is T, so as to cross a plurality of linear main grooves 2 provided in the circumferential direction of the tire.
しかしながら、第7図のようなトレッドパターンでは、
−サブ溝3の途中に変曲点が存在するために、湿潤路走
行に際して接地面内の水がサブ溝3を通って接地面外に
排水されるときに変曲点で大きな抵抗を受けるので排水
効率が低下するという問題があった。第8図のトレッド
パターンでは、第7図のものに比して排水効率が改善さ
れるものの、80 km/h超の高速走行時の排水性に
ついては、まだ満足できるレベルに至っていない。However, with the tread pattern shown in Figure 7,
- Because there is an inflection point in the middle of the sub-groove 3, water in the ground contact surface experiences great resistance at the inflection point when water is drained out of the contact surface through the sub-groove 3 when driving on a wet road. There was a problem that drainage efficiency decreased. Although the tread pattern shown in FIG. 8 has improved drainage efficiency compared to the tread pattern shown in FIG. 7, it has not yet reached a satisfactory level in terms of drainage performance when running at high speeds exceeding 80 km/h.
本発明は、排水性を向上させて湿潤路走行に際して高速
走行時又は水膜が厚い場合でもハイドロプレーニングが
生じるのを防止した空気入りタイヤを提供することを目
的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a pneumatic tire that improves drainage performance and prevents hydroplaning when traveling on a wet road at high speed or when the water film is thick.
本発明の空気入りタイヤは、トレッド表面にタイヤ周方
向に1周に亘って連続する主導を設けると共に、該主導
の左右両側に、それぞれ主溝近辺を始点としてタイヤの
反回転側に徐々にショルダー部に向かい、該ショルダー
部の端部に抜ける双曲線状の湾曲溝を設けてなり、該双
曲線状の湾曲溝は前記主溝付辺における接線のタイヤ周
方向に対する角度がO〜45°の範囲であって、ショル
ダー部における接線のタイヤ周方向に対する角度が45
@〜90°の範囲であることを特徴とする。In the pneumatic tire of the present invention, a leading edge is provided on the tread surface that continues for one circumference in the tire circumferential direction, and shoulders are formed on both left and right sides of the leading edge starting from the vicinity of the main groove and gradually toward the anti-rotation side of the tire. A hyperbolic curved groove extending toward the end of the shoulder part is provided, and the hyperbolic curved groove has an angle of a tangent to the tire circumferential direction at the side with the main groove in a range of 0 to 45 degrees. Therefore, the angle of the tangent at the shoulder with respect to the tire circumferential direction is 45
It is characterized by being in the range of @ to 90°.
このように本発明では、主溝付辺から両ショルダー部へ
抜けるようにそれぞれ双曲線状の湾曲溝を設けたため、
この双曲線状の湾曲溝が主溝付辺では主溝的作用を行う
と共にショルダー部ではサブ溝的な作用を行って排水性
を向上させることが可能となる。In this way, in the present invention, hyperbolic curved grooves are provided so as to extend from the main grooved side to both shoulder parts.
This hyperbolic curved groove acts like a main groove at the main grooved side and acts like a sub-groove at the shoulder portion, making it possible to improve drainage performance.
なお、本発明において「双曲線状」とは、厳密な双曲線
を意味するものではなく双曲線に類億した曲線をも含め
ていうものとする。In addition, in the present invention, "hyperbolic shape" does not mean a strict hyperbola, but also includes a curve similar to a hyperbola.
以下、図を参照して上記手段につき詳しく説明する。Hereinafter, the above means will be explained in detail with reference to the drawings.
第1図は本発明の空気入りタイヤのトレンドパターンの
一例を示す平面視説明図である。第1図において、トレ
ッドパターンは矢印T方向をタイヤの回転方向とする方
向性パターンであって、トレッド表面1の中央部にはタ
イヤ周方向EE’ に1周に亘って連続する1本の主溝
2が設けられ、この主溝2から左右両側へ両ショルダー
端に抜けるサブ溝3が複数本設けられている。さらに、
この主溝2の左右両側のごく近い位置から両ショルダー
部4.4にそれぞれ複数本の双曲線状の湾曲溝5が設け
られている。FIG. 1 is an explanatory plan view showing an example of a trend pattern of the pneumatic tire of the present invention. In FIG. 1, the tread pattern is a directional pattern with the direction of arrow T as the rotational direction of the tire, and in the center of the tread surface 1 there is one main line that continues for one circumference in the tire circumferential direction EE'. A groove 2 is provided, and a plurality of sub-grooves 3 are provided extending from the main groove 2 to both left and right sides to both shoulder ends. moreover,
A plurality of hyperbolic curved grooves 5 are provided in both shoulder portions 4.4 from very close positions on both the left and right sides of this main groove 2, respectively.
湾曲溝5は、主溝2の近辺を始点としてタイヤの反回転
方向に徐々にショルダー部側に向かい、最後にショルダ
ー部の端部に抜けるような形状になっている。この湾曲
溝5は、主溝2の近辺での接線がタイヤ周方向に対して
O〜45″の範囲、好ましくは0〜15″の範囲の角度
となっていて、ショルダー部での接線がタイヤ周方向に
対して45@〜90°の範囲の角度となっており、平面
視で双曲線状を描くような形状をしている。この湾曲溝
5の始点は必ずしも主溝2と離れている必要はなく、主
溝2に連結していてもよい、また、サブ溝3は設けられ
ている方がよいが、第5図のように設けられていなくと
もよい。The curved groove 5 has a shape that starts near the main groove 2, gradually moves toward the shoulder portion in the counter-rotation direction of the tire, and finally exits to the end of the shoulder portion. In this curved groove 5, the tangent in the vicinity of the main groove 2 is at an angle of 0 to 45'', preferably 0 to 15'' with respect to the tire circumferential direction, and the tangent at the shoulder part is at an angle of 0 to 15''. The angle is in the range of 45° to 90° with respect to the circumferential direction, and the shape is hyperbolic in plan view. The starting point of this curved groove 5 does not necessarily have to be separated from the main groove 2, and may be connected to the main groove 2.Also, it is better to provide a sub-groove 3, but as shown in FIG. It does not have to be provided.
ところで、ハイドロプレーニングの発生を防止するため
には、タイヤの接地面内への水の浸入を防ぎ、より多く
の接地面積を確保することが重要である。このための手
段としては、トレンド表面に溝を設け、その溝の配置お
よび溝の方向を適正化して排水性を高めるようにしてい
る。そこで、接地面内での排水経路を観察したところ、
タイヤ周方向に設けた主導が排水性に最も重要な作用を
しており、この主溝に導かれた水が主溝の容量を越えた
場合にサブ溝に導入されるようになっている。そのため
高速走行時又は接地面内の水膜が厚いときには、特にサ
ブ溝の作用が重要となる。本発明において設ける双曲線
状の湾曲溝5は、トレッド中央域ではほぼ主溝2に沿う
方向になっているため、この部分では主溝2と同等の作
用を行いのである。そして、本発明では双曲線状の湾曲
溝5が多数設けられているから排水性が向上するのであ
る。By the way, in order to prevent the occurrence of hydroplaning, it is important to prevent water from entering the ground contact surface of the tire and to secure a larger ground contact area. As a means for this purpose, grooves are provided on the trend surface, and the arrangement and direction of the grooves are optimized to improve drainage performance. Therefore, when we observed the drainage route within the ground plane, we found that
The main groove provided in the circumferential direction of the tire has the most important effect on drainage performance, and when water introduced into the main groove exceeds the capacity of the main groove, it is introduced into the sub-groove. Therefore, the effect of the sub-grooves becomes especially important when driving at high speeds or when the water film in the ground contact surface is thick. Since the hyperbolic curved groove 5 provided in the present invention is oriented in a direction substantially along the main groove 2 in the central region of the tread, it performs the same function as the main groove 2 in this portion. Further, in the present invention, since a large number of hyperbolic curved grooves 5 are provided, drainage performance is improved.
また、双曲線状の湾曲溝5は、ショルダー部4ではサブ
溝3に近い状態になるが、双曲線状であることにより排
水経路に変曲点がなく、滑らかにショルダー部4の端部
に抜けることができる。このように本発明では、湾曲溝
5に主溝・サブ溝の両方の機能をもたせるようにしたの
である。また、このように湾曲5を双曲線状とすること
により、コーナリング時には接地前縁端に直角な方向に
水が逃げるようになるので、特にコーナリング時の排水
効率を高めることができる。In addition, the hyperbolic curved groove 5 is close to the sub-groove 3 in the shoulder part 4, but because of its hyperbolic shape, there is no inflection point in the drainage path and it can smoothly pass through to the end of the shoulder part 4. I can do it. In this way, in the present invention, the curved groove 5 is made to have the functions of both the main groove and the sub-groove. In addition, by making the curve 5 hyperbolic in this way, water escapes in a direction perpendicular to the leading edge end when cornering, so drainage efficiency can be particularly improved during cornering.
主溝2は、直線状であることが最も好ましいが、タイヤ
周方向にシースルーの状態になっていれば必ずしも直線
状でなくともよく、例えば、ジグザグ状であってもよい
。また、主溝2は、タイヤ幅方向センタ一部に1本配置
されるのが好ましいが、複数本配置されてもよい。主溝
2が1本の場合には、レイングループを施した路面にお
いて主溝2とレイングループのピンチとが一致すること
がないため、ワンダリング現象が生じないからである。The main groove 2 is most preferably linear, but does not necessarily have to be linear as long as it is see-through in the tire circumferential direction; for example, it may be zigzag. Moreover, although it is preferable that one main groove 2 be arranged at a part of the center in the width direction of the tire, a plurality of main grooves 2 may be arranged. This is because when there is only one main groove 2, the main groove 2 and the pinch of the rain group do not coincide with each other on a road surface provided with a rain loop, so that the wandering phenomenon does not occur.
また、前述したように本発明においては、サブ溝3を配
置すると、排水性がいっそう向上する。なお、サブ溝3
を配置した場合、湾曲溝5の始端5°はサブ溝3から突
き抜けていてもサブ溝3に接触したままであってもいず
れでもよい。Further, as described above, in the present invention, by arranging the sub-grooves 3, drainage performance is further improved. In addition, sub groove 3
, the starting end 5° of the curved groove 5 may either penetrate through the sub-groove 3 or remain in contact with the sub-groove 3.
主溝2と湾曲溝5とは、第2図および第3図に示すよう
に、カーフ6を介して連結してもよい、また、トレンド
表面1のパターンは、第1図および第2図に示すように
主溝2をタイヤ幅方向センタ一部に配した左右対称パタ
ーンであってもよく、第3図に示すように主溝2をタイ
ヤ幅方向センタ一部から一方の側にずらして配した左右
非対称パターンであってもよい。The main groove 2 and the curved groove 5 may be connected via a kerf 6, as shown in FIGS. 2 and 3, and the pattern of the trend surface 1 is as shown in FIGS. 1 and 2. As shown in FIG. 3, the main groove 2 may be arranged in a left-right symmetrical pattern in a part of the center in the width direction of the tire, or as shown in FIG. It may be a left-right asymmetric pattern.
このようにしてなる本発明の空気入りタイヤは方向性パ
ターンからなるので、これを車両に装着する場合には、
第4図に示すように湾曲溝5の始端5゛の方向を上面視
にてタイヤ回転方向Tに合わせる。なお、第3図に示さ
れる非対称パターンのタイヤの場合には、主溝2からシ
ョルダー部4までの距離が小さい方のショルダー部側を
車両内側とする。コーナリング時の操縦安定性をよくす
るためである。Since the pneumatic tire of the present invention thus constructed has a directional pattern, when it is mounted on a vehicle,
As shown in FIG. 4, the direction of the starting end 5'' of the curved groove 5 is aligned with the tire rotation direction T when viewed from above. In the case of a tire with an asymmetric pattern shown in FIG. 3, the shoulder portion side where the distance from the main groove 2 to the shoulder portion 4 is smaller is the inner side of the vehicle. This is to improve steering stability during cornering.
以下に実施例を示す。Examples are shown below.
実施例
タイヤサイズ225150 R16の下記4種類の空気
入りタイヤ(本発明タイヤ1.II、従来タイヤI、I
I)につき、ハイドロプレーニング発生速度を評価した
。この結果を第9図に示す。なお、これらのタイヤのタ
イヤ構造、材質は全て同一とした。Example The following four types of pneumatic tires with tire size 225150 R16 (invention tire 1.II, conventional tire I, I
Regarding I), the rate of hydroplaning occurrence was evaluated. The results are shown in FIG. Note that the tire structures and materials of these tires were all the same.
(11本発明タイヤI。(11 Tire of the present invention I.
第5図に示すトレッドパターンを有する。第5図では、
トレッド表面1には主溝2と双曲線状の湾曲溝5だけが
配置されている。It has a tread pattern shown in FIG. In Figure 5,
Only the main groove 2 and the hyperbolic curved groove 5 are arranged on the tread surface 1.
(2)本発明タイヤ■。(2) Inventive tire ■.
第6図に示すトレッドパターンを有する。第6図では、
トレッド表面1には主溝2と双曲線状の湾曲溝5に加え
てサブ溝3が配置されている。It has a tread pattern shown in FIG. In Figure 6,
In addition to the main groove 2 and the hyperbolically curved groove 5, sub-grooves 3 are arranged on the tread surface 1.
(3)従来タイヤ■。(3) Conventional tires■.
第7図に示すトレッドパターンを有する。第7図では、
トレッド表面1には主溝2とヘリカル状のサブ溝3が設
けられている。It has a tread pattern shown in FIG. In Figure 7,
A tread surface 1 is provided with a main groove 2 and a helical sub-groove 3.
(4)従来タイヤ■。(4) Conventional tires■.
第8図に示すトレッドパターンを有する。第8図では、
トレッド表面1には主溝2と山形状のサブ溝3が設けら
れている。It has a tread pattern shown in FIG. In Figure 8,
The tread surface 1 is provided with a main groove 2 and a mountain-shaped sub-groove 3.
ハイドロプレーニング の
各タイヤを車両に装着し、水深さ#10III11の舗
装湿潤路面を徐々に速度を上昇させながら走行してハイ
ドロプレーニングが発生する速度を測定することによっ
た。Each tire capable of hydroplaning was mounted on a vehicle, and the vehicle was run on a wet paved road surface with a water depth of #10III11 while gradually increasing the speed, and the speed at which hydroplaning occurred was measured.
第9図から判るように、従来タイヤ■および■では80
km/hの速度に達しない前にハイドロプレーニング
を発生しているが、本発明タイヤIおよび■ではハイド
ロプレーニング発生速度が前者で801v/h 、後者
で92 km/hであって、いずれも従来タイヤ■およ
び■に比してハイドロプレーニングが発生する速度が高
い。したがって、本発明タイヤlおよび■は従来タイヤ
■および■に比して排水性に優れている。As can be seen from Figure 9, the conventional tires ■ and ■ have a
Hydroplaning occurs before the tire reaches a speed of km/h, but in the tires I and II of the present invention, the hydroplaning occurred at a speed of 801 v/h for the former and 92 km/h for the latter, both of which were faster than the conventional tires. The speed at which hydroplaning occurs is higher than that of tires ■ and ■. Therefore, the tires 1 and 2 of the present invention have better drainage performance than the conventional tires 1 and 2.
以上説明したように本発明によれば、トレンド表面にタ
イヤ周方向に1周に亘って連続する主溝を設けると共に
、該主溝の左右両側に、そ4゜
れぞれ主溝近辺を始点としてタイヤの反回転側に徐々に
ショルダー部に向かい、該ショルダー部の端部に抜ける
双曲線状の湾曲溝を設けたために、排水性を向上させる
ことが可能となり、これによって湿潤路走行に際して高
速走行時又は水腹が厚い場合でもハイドロプレーニング
が生じるのを防止することができる。As explained above, according to the present invention, a main groove is provided on the trend surface that continues all around the tire in the circumferential direction, and grooves are formed on both left and right sides of the main groove, starting from the vicinity of the main groove. A hyperbolic curved groove is provided on the anti-rotation side of the tire that gradually goes to the shoulder and exits at the end of the shoulder, making it possible to improve drainage performance, which makes it possible to drive at high speeds on wet roads. Hydroplaning can be prevented even when the water belly is thick.
第1図乃至第3図はそれぞれ本発明の空気入りタイヤの
トレッドパターンの一例を示す平面視説明図、第4図は
本発明の空気入りタイヤの一例の斜視説明図、第5図お
よび第6図はそれぞれ本発明の空気入りタイヤのトレン
ドパターンの側倒を示す平面視説明図、第7図および第
8図はそれぞれ従来の空気入りタイヤのトレッドパター
ンの一例を示す平面視説明図、第9図は各タイヤのハイ
ドロプレーニング発生速度を示す説明図である。
1・・・トレッド表面、2・・・主溝、3・・・サブ溝
、4・・・ショルダー部、5・・・湾曲溝、6・・・カ
ーフ。
田
田1 to 3 are plan view explanatory diagrams showing an example of the tread pattern of the pneumatic tire of the present invention, FIG. 4 is a perspective explanatory diagram of an example of the pneumatic tire of the present invention, and FIGS. 5 and 6 are respectively 7 and 8 are plan view explanatory views showing an example of the tread pattern of a conventional pneumatic tire, and FIG. The figure is an explanatory diagram showing the hydroplaning occurrence speed of each tire. DESCRIPTION OF SYMBOLS 1... Tread surface, 2... Main groove, 3... Sub groove, 4... Shoulder part, 5... Curved groove, 6... Kerf. Tada
Claims (1)
導を設けると共に、該主導の左右両側に、それぞれ主溝
近辺を始点としてタイヤの反回転側に徐々にショルダー
部に向かい、該ショルダー部の端部に抜ける双曲線状の
湾曲溝を設けてなり、該双曲線状の湾曲溝は前記主溝付
辺における接線のタイヤ周方向に対する角度が0〜45
゜の範囲であって、ショルダー部における接線のタイヤ
周方向に対する角度が45゜〜90゜の範囲である空気
入りタイヤ。A leading part is provided on the tread surface that continues all around the tire in the circumferential direction, and on both the left and right sides of the leading part, starting from the vicinity of the main groove, the leading part gradually moves toward the anti-rotation side of the tire toward the shoulder part. A hyperbolic curved groove is provided at the end, and the angle of the tangent to the main grooved side with respect to the tire circumferential direction is 0 to 45.
A pneumatic tire in which the angle of the tangent at the shoulder portion with respect to the tire circumferential direction is in the range of 45° to 90°.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2157445A JPH0450006A (en) | 1990-06-18 | 1990-06-18 | Pneumatic tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2157445A JPH0450006A (en) | 1990-06-18 | 1990-06-18 | Pneumatic tire |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0450006A true JPH0450006A (en) | 1992-02-19 |
Family
ID=15649814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2157445A Pending JPH0450006A (en) | 1990-06-18 | 1990-06-18 | Pneumatic tire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0450006A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5370168A (en) * | 1991-07-04 | 1994-12-06 | Pirelli Coordinamento Pneumatici S.P.A. | Radial tire having a tread provided with sub-circumferential longitudinal grooves |
EP0841198A1 (en) * | 1996-11-12 | 1998-05-13 | PIRELLI COORDINAMENTO PNEUMATICI S.p.A. | Tyre tread band, in particular for off-road motor-vehicles |
EP0893283A2 (en) * | 1997-07-14 | 1999-01-27 | Continental Aktiengesellschaft | Directional tread profile for vehicle tyres |
EP0916523A2 (en) * | 1997-11-18 | 1999-05-19 | Sumitomo Rubber Industries Limited | Pneumatic tyre |
KR100746499B1 (en) * | 2001-12-13 | 2007-08-07 | 요코하마 고무 가부시키가이샤 | Pneumatic tire |
JP2007238060A (en) * | 2006-03-13 | 2007-09-20 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
US7461677B2 (en) | 2004-09-17 | 2008-12-09 | Bridgestone Corporation | Pneumatic tire having bell shaped wide width main grooves |
US7900668B2 (en) * | 2005-12-14 | 2011-03-08 | Bridgestone Corporation | Pneumatic tire with tread including gently slant grooves having two different inclination angles |
JP2012218555A (en) * | 2011-04-07 | 2012-11-12 | Bridgestone Corp | Pneumatic tire |
JP2015081076A (en) * | 2013-10-24 | 2015-04-27 | 横浜ゴム株式会社 | Pneumatic tire |
JP2015147543A (en) * | 2014-02-07 | 2015-08-20 | 住友ゴム工業株式会社 | pneumatic tire |
WO2022244300A1 (en) * | 2021-05-18 | 2022-11-24 | 株式会社ブリヂストン | Pneumatic tire |
-
1990
- 1990-06-18 JP JP2157445A patent/JPH0450006A/en active Pending
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5370168A (en) * | 1991-07-04 | 1994-12-06 | Pirelli Coordinamento Pneumatici S.P.A. | Radial tire having a tread provided with sub-circumferential longitudinal grooves |
EP0841198A1 (en) * | 1996-11-12 | 1998-05-13 | PIRELLI COORDINAMENTO PNEUMATICI S.p.A. | Tyre tread band, in particular for off-road motor-vehicles |
EP0893283A2 (en) * | 1997-07-14 | 1999-01-27 | Continental Aktiengesellschaft | Directional tread profile for vehicle tyres |
EP0893283A3 (en) * | 1997-07-14 | 2000-11-08 | Continental Aktiengesellschaft | Directional tread profile for vehicle tyres |
EP0916523A2 (en) * | 1997-11-18 | 1999-05-19 | Sumitomo Rubber Industries Limited | Pneumatic tyre |
EP0916523A3 (en) * | 1997-11-18 | 1999-12-01 | Sumitomo Rubber Industries Limited | Pneumatic tyre |
KR100746499B1 (en) * | 2001-12-13 | 2007-08-07 | 요코하마 고무 가부시키가이샤 | Pneumatic tire |
US7461677B2 (en) | 2004-09-17 | 2008-12-09 | Bridgestone Corporation | Pneumatic tire having bell shaped wide width main grooves |
US7900668B2 (en) * | 2005-12-14 | 2011-03-08 | Bridgestone Corporation | Pneumatic tire with tread including gently slant grooves having two different inclination angles |
JP2007238060A (en) * | 2006-03-13 | 2007-09-20 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
JP2012218555A (en) * | 2011-04-07 | 2012-11-12 | Bridgestone Corp | Pneumatic tire |
JP2015081076A (en) * | 2013-10-24 | 2015-04-27 | 横浜ゴム株式会社 | Pneumatic tire |
WO2015059942A1 (en) * | 2013-10-24 | 2015-04-30 | 横浜ゴム株式会社 | Pneumatic tire |
CN105682945A (en) * | 2013-10-24 | 2016-06-15 | 横滨橡胶株式会社 | Pneumatic tire |
US10131188B2 (en) | 2013-10-24 | 2018-11-20 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
JP2015147543A (en) * | 2014-02-07 | 2015-08-20 | 住友ゴム工業株式会社 | pneumatic tire |
EP2905149B1 (en) * | 2014-02-07 | 2019-06-19 | Sumitomo Rubber Industries Limited | Pneumatic tire |
WO2022244300A1 (en) * | 2021-05-18 | 2022-11-24 | 株式会社ブリヂストン | Pneumatic tire |
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