JPH08127206A - Pneumatic tire - Google Patents

Pneumatic tire

Info

Publication number
JPH08127206A
JPH08127206A JP6264970A JP26497094A JPH08127206A JP H08127206 A JPH08127206 A JP H08127206A JP 6264970 A JP6264970 A JP 6264970A JP 26497094 A JP26497094 A JP 26497094A JP H08127206 A JPH08127206 A JP H08127206A
Authority
JP
Japan
Prior art keywords
shoulder
lug
tire
square
performance
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.)
Granted
Application number
JP6264970A
Other languages
Japanese (ja)
Other versions
JP3567505B2 (en
Inventor
Shigehisa Asame
董久 浅芽
Tetsuji Miyazaki
哲二 宮崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Tire Corp
Original Assignee
Toyo Tire and Rubber Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyo Tire and Rubber Co Ltd filed Critical Toyo Tire and Rubber Co Ltd
Priority to JP26497094A priority Critical patent/JP3567505B2/en
Publication of JPH08127206A publication Critical patent/JPH08127206A/en
Application granted granted Critical
Publication of JP3567505B2 publication Critical patent/JP3567505B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE: To greatly improve maneuvering stability and wandering performance, in particular rut crossing, without damaging straight advancing stability, maneuvering stability and traveling performance such as cornering in a snow road, etc., for a pneumatic tire with a lug in the shoulder region of a tread. CONSTITUTION: In a pneumatic tire having a plurality of lugs 3 plotted at equal intervals substantially in a tire circumferential direction by a plurality of side grooves 2 in the shoulder region of a tread, each lug 3 is provided with a square shoulder 4 and a taper cut shoulder 5 projected to the side by this, this lug 3 is provided so that the taper cut shoulder 5 and the square shoulder 4 are alternately arranged on the circumference and thus, advantages of two shoulders are provided. A notch 6 is formed between the square shoulder 4 and the taper cut shoulder 5 of each lug 3.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、タイヤトレッドのショ
ルダー領域に複数のラグを有する空気入りタイヤに関す
るものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pneumatic tire having a plurality of lugs in a shoulder area of a tire tread.

【0002】[0002]

【従来の技術】タイヤトレッドのショルダー領域に、ス
リットによってタイヤ周方向に実質的に等間隔に区画さ
れた複数のラグを有するタイヤにおいて、各ラグのショ
ルダー形状としては、トレッド外周面とショルダー部側
面との間が、実質的に角をなすいわゆるスクエアショル
ダーよりなる場合と、円弧状をなすラウンドショルダー
あるいは前記の角をテーパカットしてなるテーパカット
ショルダーよりなる場合とがある。
2. Description of the Related Art In a tire having a plurality of lugs which are substantially equally spaced in the tire circumferential direction by slits in a shoulder area of a tire tread, the shoulder shape of each lug is a tread outer peripheral surface and a shoulder side surface. There is a case where it is formed of a so-called square shoulder that substantially forms an angle, a case of an arc-shaped round shoulder or a taper cut shoulder formed by tapering the corner.

【0003】一般に、ラグにスクエアショルダーを有す
るタイヤは、車の進行方向を横切る向きのエッジ成分が
作用し、雪路での直進性、コーナリング特性が優れてい
る。その反面、スクエアショルダーを備えるタイヤで、
轍のできた不整地の一般路を走行する際、轍にショルダ
ーエッジが引掛り易く、その時の反力によってハンドル
が取られて直進性が損なわれるという問題がある。
In general, a tire having a square shoulder on a lug has an edge component acting in a direction transverse to the traveling direction of the vehicle, and is excellent in straight running characteristics and cornering characteristics on a snowy road. On the other hand, with a tire with a square shoulder,
There is a problem that the shoulder edge is apt to be caught on the rut when traveling on a rough terrain road, and the steering force is taken by the reaction force at that time to impair the straightness.

【0004】一方、ラグにテーパカットショルダーある
いはラウンドショルダーを備えるタイヤは、主に一般路
での使用に適し、操縦安定性、不整地での安定性に優れ
ている。その反面、進行方向を横切る向きのグリップ力
が不足するために、雪路等での直進性およびコーナリン
グ性に問題がある。
On the other hand, a tire having a taper cut shoulder or a round shoulder on the lug is mainly suitable for use on general roads and is excellent in steering stability and stability on rough terrain. On the other hand, since the grip force in the direction crossing the traveling direction is insufficient, there is a problem in straightness and cornering on a snowy road.

【0005】また近年、いずれの路面でも安定した走行
性を確保するものとして、ラグのショルダー形状を、ラ
ウンドショルダーとスクエアショルダーとを併有した形
状にしたものが提案されている(特開昭63−2876
06号公報)。
Further, in recent years, in order to ensure stable running performance on any road surface, it has been proposed that the lug has a shoulder shape having both a round shoulder and a square shoulder (Japanese Patent Laid-Open No. Sho 63-63). -2876
No. 06 publication).

【0006】ラウンドショルダーの場合は、ワンダリン
グはキャンバースラストに依存する割合が非常に高く、
キャンバースラストを小さくするのがワンダリング性能
には効果的である。
In the case of the round shoulder, wandering depends on the camber thrust very high,
Reducing the camber thrust is effective for wandering performance.

【0007】ワンダリングは、一般に傾斜路上にタイヤ
を押圧して評価するが、その時の接地形状変化が大きい
程、キャンバースラストも大きくなる傾向がある。
The wandering is generally evaluated by pressing the tire on a slope, and the larger the change in the ground contact shape at that time, the larger the camber thrust tends to be.

【0008】ラウンドショルダーの場合は、傾斜路すな
わち轍路において、轍乗り越し側の接地形状は平坦路の
接地形状より接地長が長くなり、平坦側の接地長との変
化差が大きくなる。したがって、不整地でのワンダリン
グ性能の点では十分に満足できるものではない。
In the case of the round shoulder, in the slope, that is, in the rutted road, the ground contact shape on the rudder crossover side has a longer ground contact length than the ground contact shape on the flat road, and the difference in change from the ground contact length on the flat side becomes large. Therefore, it is not sufficiently satisfactory in terms of wandering performance on rough terrain.

【0009】[0009]

【発明が解決しようとする課題】本発明は、上記に鑑み
てなしたものであり、トレッドのショルダー領域にラグ
を備えるタイヤにおける上記の問題点を解決し、雪路等
での直進安定性、操縦安定性、コーナリング性等の走行
性能を損なうことなく、不整地の一般路での操縦安定
性、特に轍乗り越し性、ワンダリング性能を大幅に改善
できる空気入りタイヤを提供しようとするものである。
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and solves the above problems in a tire having a lug in the shoulder region of the tread, and improves straight running stability on a snowy road, It is an object of the present invention to provide a pneumatic tire capable of significantly improving the steering stability on a rough terrain, particularly the rudder riding ability, and the wandering performance without impairing the traveling performance such as the steering stability and cornering performance. .

【0010】[0010]

【課題を解決するための手段】上記の課題を解決する本
発明は、タイヤトレッドのショルダー領域に、複数の横
溝によってタイヤ周方向に実質的に等間隔に区画された
複数のラグを有する空気入りタイヤであって、各ラグ
は、それぞれスクエアショルダーとこれより側方に突出
させて設けたテーパカットショルダーとを有してなり、
このテーパカットショルダーとスクエアショルダーとが
円周上で交互に配列するように設けられていることを特
徴とする。
DISCLOSURE OF THE INVENTION The present invention for solving the above problems is a pneumatic tire having a plurality of lugs formed in a shoulder region of a tire tread, the lugs being divided by a plurality of lateral grooves at substantially equal intervals in a tire circumferential direction. In the tire, each lug has a square shoulder and a taper cut shoulder provided so as to project laterally from the square shoulder,
The taper cut shoulders and the square shoulders are provided so as to be alternately arranged on the circumference.

【0011】前記において、各ラグのスクエアショルダ
ーとテーパカットショルダーとの間にノッチを形成して
おくのが望ましい。
In the above, it is desirable to form a notch between the square shoulder and the taper cut shoulder of each lug.

【0012】[0012]

【作用】上記のタイヤによれば、各ラグのスクエアショ
ルダーで、車の進行方向を横切る向きのエッジ成分が作
用して良好なグリップ性を持ち、雪路等での直進安定性
やコーナリング性に優れる。
[Advantage] According to the above tire, the square shoulder of each lug acts as an edge component in a direction transverse to the traveling direction of the vehicle to have a good gripping property, which improves straight running stability and cornering performance on a snowy road. Excel.

【0013】また一般路においては、前記のスクエアシ
ョルダーより側方に突出させて設けたテーパカットショ
ルダーの働きにより、円滑良好な操縦安定性、直進性を
確保でき、仮に不整地の一般路を走行しても、側方に突
出したテーパカットショルダーが主に轍に接触すること
となって、スクエアショルダーのみの場合のように、轍
によってハンドルが取られることがない。
On a general road, the taper cut shoulder provided so as to project laterally from the above-mentioned square shoulder can ensure good smooth steering stability and straightness, and temporarily run on an uneven road. Even so, the taper cut shoulders protruding to the side mainly come into contact with the rut, so that the handle is not taken by the rut as in the case of only the square shoulder.

【0014】テーパカットショルダーの場合、テーパが
あることによって轍路に均一に接地し、平坦路に地い接
地形状を保つことができ、平坦側との接地長の変化差が
小さく、キャンバースラストが小さくなるため、ラウン
ドショルダーに比べてワンダリング性能が優れることに
なる。
In the case of the taper cut shoulder, the taper makes it possible to uniformly contact the rutted road and keep a ground contact shape on a flat road, and the difference in change in the ground contact length from the flat side is small, and the camber thrust is reduced. Since it is smaller, the wandering performance is superior to the round shoulder.

【0015】また、各ラグにおけるテーパショルダーと
スクエアショルダーとの間にノッチを形成したものにあ
っては、ノッチによるくびれ形状のために、各ラグのブ
ロックがややフレキシブルになり、そのため外乱から受
ける反力が減少し、ワンダリング性能がさらに向上す
る。
Further, in the case where the notch is formed between the taper shoulder and the square shoulder in each lug, the block of each lug becomes slightly flexible due to the constricted shape of the notch, and therefore it is affected by disturbance. The force is reduced and the wandering performance is further improved.

【0016】[0016]

【実施例】次に本発明の実施例を図面に基いて説明す
る。
Embodiments of the present invention will now be described with reference to the drawings.

【0017】図1は本発明の実施例の空気入りタイヤの
トレッド半部の断面斜視図を示し、図2は同上のトレッ
ド一部の略示展開平面図、図3は同上ショルダーの断面
説明図を示している。なお、タイヤの内部構造は、例え
ば一般的なラジアル構造をなすものであり、ここでは図
示説明を省略する。
FIG. 1 is a sectional perspective view of a tread half of a pneumatic tire according to an embodiment of the present invention, FIG. 2 is a schematic development plan view of a part of the tread, and FIG. 3 is a sectional explanatory view of the same shoulder. Is shown. The internal structure of the tire is, for example, a general radial structure, and a description thereof is omitted here.

【0018】図において、(1)はタイヤのトレッド
部、(2)はトレッド部(1)の両側部のショルダー領
域において、タイヤ周方向に実質的に等間隔でショルダ
ー側面から内方に向ってタイヤ幅方向に延びる横溝、
(3)は横溝(2)によってタイヤ周方向に実質的に等
間隔に区画されたラグを示している。前記横溝(2)
は、タイヤ幅方向に斜めに形成される場合があり、さら
にタイヤ周方向の溝を有する場合、該周方向溝に交叉連
結するように形成される場合もある。
In the figure, (1) is a tread portion of a tire, (2) is a shoulder region on both sides of the tread portion (1), and is directed inward from the shoulder side surface at substantially equal intervals in the tire circumferential direction. Lateral groove extending in the tire width direction,
(3) shows lugs which are partitioned by the lateral groove (2) at substantially equal intervals in the tire circumferential direction. The lateral groove (2)
May be formed obliquely in the tire width direction, and when further having a groove in the tire circumferential direction, it may be formed so as to be cross-connected to the circumferential groove.

【0019】各ラグ(3)は、スクエアーショルダー
(4)とこれより側方に突出したテーパカットショルダ
ー(5)とを有しており、特に図のようにそれぞれタイ
ヤ周方向の一方側の略半部がスクエアーショルダー
(4)、他方側の略半部がテーパカットショルダー
(5)として形成されて、このスクエアショルダー
(4)とテーパカットショルダー(5)とが円周上にお
いて交互に配列するように設けられている。
Each lug (3) has a square shoulder (4) and a taper cut shoulder (5) projecting laterally from the square shoulder (4). One half is formed as a square shoulder (4) and the other half is formed as a taper cut shoulder (5), and the square shoulder (4) and the taper cut shoulder (5) are alternately arranged on the circumference. Is provided.

【0020】前記のテーパカットショルダー(5)は、
図2および図3に示すように、そのテーパ面(5a)が
スクエアショルダー(4)によるトレッド幅(TW)の
端縁(E)を基点として外側方に傾斜して突出形成され
ており、その傾斜角度や突出寸法については、タイヤサ
イズ等によっても異なるが、例えば、乗用車用タイヤや
小型トラック用タイヤの場合、傾斜角度(θ)は15〜
35°、突出寸法(A)は3.0〜5.0mm、また
(A/TW)は0.045〜0.084の範囲に設定す
るのが好ましい。
The taper cut shoulder (5) is
As shown in FIGS. 2 and 3, the tapered surface (5a) is formed so as to project outwardly with the end edge (E) of the tread width (TW) formed by the square shoulder (4) as the base point. The inclination angle and the protrusion size vary depending on the tire size and the like. For example, in the case of tires for passenger cars and tires for small trucks, the inclination angle (θ) is 15 to
It is preferable to set 35 °, the protrusion dimension (A) to 3.0 to 5.0 mm, and the (A / TW) to 0.045 to 0.084.

【0021】すなわち、傾斜角度(θ)が、前記範囲よ
り小さくても、また大きくても、テーパ面の上下いずれ
かのエッジが轍に引掛り易くなり、期待する轍乗り越し
性、ワンダリング性能が得られないことになり好ましく
ない。また突出寸法(A)が前記より小さいと、テーパ
カットショルダー(5)を設けた効果が小さくなり、ま
た前記より大きくなるとショルダー側面の凹凸が大きく
なり、他の走行性能に問題が生じる。
That is, even if the inclination angle (θ) is smaller or larger than the above range, one of the upper and lower edges of the tapered surface is easily caught in a rut, and the expected rudder riding ability and wandering performance are obtained. It is not preferable because it cannot be obtained. Further, if the protrusion dimension (A) is smaller than the above, the effect of providing the taper cut shoulder (5) becomes small, and if it is larger than the above, the unevenness of the shoulder side surface becomes large, which causes a problem in other running performance.

【0022】また、図示する実施例の場合、各ラグ
(3)における前記のスクエアショルダー(4)とテー
パカットショルダー(5)との間には、ショルダー側面
から内方に向って切込み溝によるノッチ(6)が形成さ
れている。
Further, in the case of the illustrated embodiment, a notch formed by a notch groove is formed inward from the shoulder side surface between the square shoulder (4) and the tapered cut shoulder (5) in each lug (3). (6) is formed.

【0023】このノッチ(6)は必ずしも必要ではない
が、ノッチ(6)を設けることにより、ラグ(3)がく
びれ形状をなし、ラグ(3)のブロックがノッチを有さ
ない場合に比してややフレキシブルになり、そのため轍
などの外乱から受ける反力が減少し、ワンダリング性能
がさらに向上する。さらにラグ間の横溝(2)が石を咬
んだ場合に、その石を容易に放出できる、あるいはノッ
チのためにエッジが増加し、雪上および氷上性能が向上
するといった効果がある。
The notch (6) is not always necessary, but by providing the notch (6), the lug (3) has a constricted shape, and the block of the lug (3) has a notch as compared with the case where the block of the lug (3) does not have the notch. And it becomes flexible, so the reaction force received from disturbance such as ruts is reduced, and the wandering performance is further improved. Further, when the lateral groove (2) between the lugs bites a stone, the stone can be easily released, or the notch increases the edge, and the performance on snow and ice is improved.

【0024】前記のノッチ(6)の形状については、溝
幅(W1 )は0.6〜3.0mm、溝深さは2.5〜
6.0mmの範囲とし、さらに溝長さ(L1 )のTW/
2に対する比が0.029〜0.21の範囲にあるもの
が、前記のノッチ効果の発現およびラグブロック形状保
持の点から特に好適である。
Regarding the shape of the notch (6), the groove width (W1) is 0.6 to 3.0 mm and the groove depth is 2.5 to.
TW / of groove length (L1) within the range of 6.0 mm
Those having a ratio of 2 to 0.02 in the range of 0.029 to 0.21 are particularly preferable from the viewpoint of the above-mentioned notch effect and the retention of the lug block shape.

【0025】上記のタイヤによれば、雪路等では各ラグ
(3)のスクエアショルダー(4)の働きで良好なグリ
ップ性を持ち、直進安定性やコーナリング性に優れ、ま
た一般路では、テーパカットショルダー(5)の働きに
より、良好な操縦安定性、直進性を確保できる。例え
ば、轍のある一般路を走行しても、テーパカットショル
ダー(5)が主に轍に接触するために、轍によってハン
ドルが取られることがない。
According to the above tire, the square shoulders (4) of the lugs (3) have a good grip on snowy roads and the like, and are excellent in straight running stability and cornering. The operation of the cut shoulder (5) ensures good steering stability and straightness. For example, even when the vehicle runs on an ordinary road with a rut, the taper cut shoulder (5) mainly comes into contact with the rut, so that the handle is not taken by the rut.

【0026】またテーパカットショルダーの場合、テー
パ面(5a)を有することによって轍路に略均一に接地
し、平坦路に近い接地形状を保つことができ、轍乗り越
し側と平坦側との接地長の変化差が小さく、キャンバー
スラストが小さくなるため、ラウンドショルダーに比べ
てワンダリング性能が優れることになる。
Further, in the case of the taper cut shoulder, the taper surface (5a) allows the ground to be substantially uniformly grounded on the rutted road, and the grounded shape close to the flat road can be maintained. Since the difference in change in the camber is small and the camber thrust is small, the wandering performance is superior to the round shoulder.

【0027】これが、ラウンドショルダーの場合は、轍
路では、轍乗り越し側の接地形状は平坦路の接地形状よ
り接地長が長くなり、平坦側の接地長との変化差が大き
くなり、不整地でのワンダリング性能の点では十分に満
足できない。
In the case of the round shoulder, the ground contact shape on the rut side is longer than the ground contact shape on the flat road on the rutted road, and the difference in change from the ground contact length on the flat side is large, resulting in uneven ground. In terms of wandering performance of, it is not fully satisfied.

【0028】下記の表1は、図2に示すスクエアショル
ダーとテーパカットショルダーとを有するラグを備える
本発明の実施例タイヤと、スクエアショルダーのみのラ
グを備える比較例タイヤ(比較例1)およびテーパカッ
トショルダーのみのラグを備える比較例タイヤ(比較例
2)とについて、それぞれ一般路での操縦安定性、雪路
性能および轍乗り越し性能の実車によるテスト結果を示
している。
Table 1 below shows an example tire of the present invention having a lug having a square shoulder and a taper cut shoulder shown in FIG. 2, a comparative example tire having a rug with a square shoulder only (Comparative Example 1) and a taper. With respect to a comparative tire (Comparative Example 2) having a lug with only a cut shoulder, the test results of an actual vehicle for steering stability on a normal road, snowy road performance, and rudder riding performance are shown, respectively.

【0029】ここで、テストに供した実施例および比較
例1,2のタイヤは、前記のショルダー形状を別にして
基本的に同じ構造をなすものであって、いずれもタイヤ
サイズが265/70R15、トレッド幅(TW)は2
02mmのタイヤである。また実施例タイヤのテーパカ
ットショルダーの突出寸法(A)は5mm、傾斜角度
(θ)は24°である。
Here, the tires of Examples and Comparative Examples 1 and 2 used for the test have basically the same structure except for the shoulder shape, and the tire sizes are 265 / 70R15. , Tread width (TW) is 2
It is a 02 mm tire. Moreover, the projecting dimension (A) of the taper cut shoulder of the example tire is 5 mm, and the inclination angle (θ) is 24 °.

【0030】[0030]

【表1】 [Table 1]

【0031】なお、一般路での操縦安定性、雪路性能お
よび轍乗り越し性能(ワンダリング性能)は、いずれも
実車による感応評価とし、比較例1を100として指数
で示している。指数が大きいほど良である。
The steering stability on a normal road, the snowy road performance, and the rudder running performance (wandering performance) are all evaluated by the actual vehicle. The larger the index, the better.

【0032】上記の表1から明らかなように、実施例タ
イヤは、雪路性能を損なうことなく、不整地の一般路で
の操縦安定性、特に轍乗り越し性等のワンダリング性能
を大幅に改善できた。
As is clear from Table 1 above, the example tires greatly improve the steering stability on rough terrain, particularly the wandering performance such as rudder riding performance, without impairing the snow performance. did it.

【0033】[0033]

【発明の効果】上記したように本発明の空気入りタイヤ
よれば、雪路等での直進安定性、操縦安定性、コーナリ
ング性等の走行性能を損なうことなく、不整地の一般路
での操縦安定性、特に轍乗り越し性等のワンダリング性
能を大幅に改善できる。
As described above, according to the pneumatic tire of the present invention, it is possible to operate on a general road on uneven terrain without impairing running performance such as straight running stability, steering stability and cornering on snowy roads. Stability, especially wandering performance such as rudder riding performance, can be greatly improved.

【0034】また、各ラグにおけるテーパショルダーと
スクエアショルダーとの間にノッチを形成した場合に
は、ラグがややフレキシブルになって、轍等の外乱から
受ける反力が減少し、ワンダリング性能がさらに向上す
る。またノッチのためにエッジが増加し、雪上および氷
上性能もさらに向上する。さらにラグのフレキシブル性
が増すためにラグ間の横溝が咬んだ石を容易に放出でき
るといった効果もある。
When a notch is formed between the taper shoulder and the square shoulder of each lug, the lug becomes slightly flexible, the reaction force received from a disturbance such as a rut is reduced, and the wandering performance is further improved. improves. The notch also increases the edges, further improving snow and ice performance. Furthermore, since the flexibility of the lugs is increased, stones caught by the lateral grooves between the lugs can be easily released.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の実施例の空気入りタイヤのトレッド半
部の断面斜視図である。
FIG. 1 is a sectional perspective view of a tread half portion of a pneumatic tire according to an embodiment of the present invention.

【図2】同上のトレッドの平面説明図である。FIG. 2 is an explanatory plan view of the same tread.

【図3】同上ショルダーの断面説明図である。FIG. 3 is a cross-sectional explanatory view of the same shoulder.

【符号の説明】[Explanation of symbols]

(1) トレッド部 (2) 横溝 (3) ラグ (4) スクエアショルダー (5) テーパカットショルダー (6) ノッチ (1) Tread part (2) Lateral groove (3) Lug (4) Square shoulder (5) Tapered cut shoulder (6) Notch

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】タイヤトレッドのショルダー領域に、複数
の横溝によってタイヤ周方向に実質的に等間隔に区画さ
れた複数のラグを有するタイヤであって、 各ラグは、それぞれスクエアショルダーとこれより側方
に突出させて設けたテーパカットショルダーとを有して
なり、このテーパカットショルダーとスクエアショルダ
ーとが円周上で交互に配列するように設けられているこ
とを特徴とする空気入りタイヤ。
1. A tire having a plurality of lugs in a shoulder region of a tire tread, which are divided by a plurality of lateral grooves at substantially equal intervals in a tire circumferential direction, each lug being a square shoulder and a side thereof. A pneumatic tire comprising: a taper cut shoulder provided so as to project toward one side, and the taper cut shoulder and the square shoulder are provided so as to be alternately arranged on the circumference.
【請求項2】各ラグのスクエアショルダーとテーパカッ
トショルダーとの間にノッチが形成されてなる請求項1
に記載の空気入りタイヤ。
2. A notch is formed between the square shoulder and the taper cut shoulder of each lug.
Pneumatic tire described in.
JP26497094A 1994-10-28 1994-10-28 Pneumatic tire Expired - Fee Related JP3567505B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26497094A JP3567505B2 (en) 1994-10-28 1994-10-28 Pneumatic tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26497094A JP3567505B2 (en) 1994-10-28 1994-10-28 Pneumatic tire

Publications (2)

Publication Number Publication Date
JPH08127206A true JPH08127206A (en) 1996-05-21
JP3567505B2 JP3567505B2 (en) 2004-09-22

Family

ID=17410744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26497094A Expired - Fee Related JP3567505B2 (en) 1994-10-28 1994-10-28 Pneumatic tire

Country Status (1)

Country Link
JP (1) JP3567505B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7819153B2 (en) * 2006-11-08 2010-10-26 Bridgestone Americas Tire Operations, Llc Tire including concave recesses in a circumferential tread
WO2015033839A1 (en) * 2013-09-04 2015-03-12 横浜ゴム株式会社 Pneumatic tire
CN107584975A (en) * 2016-07-08 2018-01-16 东洋橡胶工业株式会社 Pneumatic tire
CN107584974A (en) * 2016-07-08 2018-01-16 东洋橡胶工业株式会社 Pneumatic tire
US10399389B2 (en) 2015-12-04 2019-09-03 Toyo Tire Corporation Pneumatic tire

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7819153B2 (en) * 2006-11-08 2010-10-26 Bridgestone Americas Tire Operations, Llc Tire including concave recesses in a circumferential tread
US8973630B2 (en) 2006-11-08 2015-03-10 Bridgestone Americas Tire Operations, Llc Tire including concave recesses in a circumferential tread
WO2015033839A1 (en) * 2013-09-04 2015-03-12 横浜ゴム株式会社 Pneumatic tire
JP5862837B2 (en) * 2013-09-04 2016-02-16 横浜ゴム株式会社 All season tire
CN105473348A (en) * 2013-09-04 2016-04-06 横滨橡胶株式会社 Pneumatic tire
US9764599B2 (en) 2013-09-04 2017-09-19 The Yokohama Rubber Co., Ltd. Pneumatic tire
DE112014004042B4 (en) * 2013-09-04 2018-01-18 The Yokohama Rubber Co., Ltd. tire
CN105473348B (en) * 2013-09-04 2018-04-13 横滨橡胶株式会社 Pneumatic tire
US10399389B2 (en) 2015-12-04 2019-09-03 Toyo Tire Corporation Pneumatic tire
CN107584975A (en) * 2016-07-08 2018-01-16 东洋橡胶工业株式会社 Pneumatic tire
CN107584974A (en) * 2016-07-08 2018-01-16 东洋橡胶工业株式会社 Pneumatic tire

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