JP2002036820A - Pneumatic tire - Google Patents

Pneumatic tire

Info

Publication number
JP2002036820A
JP2002036820A JP2000222219A JP2000222219A JP2002036820A JP 2002036820 A JP2002036820 A JP 2002036820A JP 2000222219 A JP2000222219 A JP 2000222219A JP 2000222219 A JP2000222219 A JP 2000222219A JP 2002036820 A JP2002036820 A JP 2002036820A
Authority
JP
Japan
Prior art keywords
groove
pneumatic tire
saw blade
tread
tire according
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
Application number
JP2000222219A
Other languages
Japanese (ja)
Inventor
Keiichi Nomura
恵一 野村
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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Priority to JP2000222219A priority Critical patent/JP2002036820A/en
Publication of JP2002036820A publication Critical patent/JP2002036820A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C11/13Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1307Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
    • B60C2011/1338Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls comprising protrusions

Abstract

PROBLEM TO BE SOLVED: To provide a pneumatic tire equipped with a high water draining effect without changing the tread patterns and exerting an enhanced anti- hydroplaning performance. SOLUTION: The pneumatic tire equipped with grooves at the tread surface is configured so that a sharkskin shape 3 is formed at least in a part of the bottoms and/or walls of the grooves 1 and 2, as stretching in such a direction that the water flow resistance under running lessens.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、空気入りタイヤに
関し、詳しくは、排水性能を高めてハイドロプレーニン
グが起こりにくいようにした(耐ハイドロプレーニング
性能を向上させた)空気入りタイヤに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pneumatic tire, and more particularly to a pneumatic tire having improved drainage performance so that hydroplaning hardly occurs (hydroplaning resistance is improved).

【0002】[0002]

【従来の技術】雨等により路面に水膜が形成されている
場合、車両の速度を上げていくとタイヤは次々と水を排
除しなければならず、ついには排除が追いつかなくなる
と、タイヤが水の上を浮いた状態となる、いわゆるハイ
ドロプレーニングが起こる。特に、時速100km/時
を超えるような高速走行では比較的浅い水深でもハイド
ロプレーニングが起こり、また、トラック走行により轍
ができている高速道路では、さほどの雨天でなくともハ
イドロプレーニングが起こり易くなっている。
2. Description of the Related Art When a water film is formed on a road surface due to rain or the like, tires must remove water one after another as the speed of the vehicle increases, and finally, when the removal cannot catch up, the tires may be damaged. So-called hydroplaning, which is a state of floating on water, occurs. In particular, hydroplaning occurs at a relatively shallow water depth in high-speed running at a speed exceeding 100 km / h, and hydroplaning tends to occur on a highway where a rut is formed by truck running even if it is not so rainy. I have.

【0003】従来の空気入りタイヤのトレッドパターン
は、排水性を高めてハイドロプレーニングを防止する等
の観点から、前方に水を掻き出す周方向溝の他に、左右
にも水を排出できるように幅方向溝を有しているのが一
般的である。
The tread pattern of a conventional pneumatic tire has a width so that water can be drained to the left and right in addition to a circumferential groove for scraping water forward, from the viewpoint of enhancing drainage and preventing hydroplaning. It is common to have directional grooves.

【0004】かかるトレッドパターンとしては、例え
ば、図4に示す方向性トレッドパターンと、図5に示す
非方向性トレッドパターンとに大別することができる。
図4に示す方向性トレッドパターンでは、走行時に排出
水の流れ方向が周方向溝1および幅方向溝2とで決まっ
ており、矢印の方向に排水される。一方、図5に示す非
方向性トレッドパターンでは、排出水の流れ方向が周方
向溝1では決まっておらず、前後いずれの方向にも流
れ、幅方向溝2のみ左右に水を排出するように水が流れ
るようになっている。
Such tread patterns can be broadly classified into, for example, a directional tread pattern shown in FIG. 4 and a non-directional tread pattern shown in FIG.
In the directional tread pattern shown in FIG. 4, the flow direction of the discharged water during traveling is determined by the circumferential groove 1 and the width groove 2, and the water is drained in the direction of the arrow. On the other hand, in the non-directional tread pattern shown in FIG. 5, the flow direction of the discharged water is not determined in the circumferential groove 1, but flows in any of the front and rear directions, and only the width direction groove 2 discharges water to the left and right. Water is flowing.

【0005】上述のように、従来の空気入りタイヤにお
いては、排水性を確保する等の観点から、種々のトレッ
ドパターンが知られているが、より一層の排水性を確保
するにはトレッドパターンの変更による溝部面積の拡大
を図る等の手法を採らざるを得なかった。
As described above, in the conventional pneumatic tires, various tread patterns are known from the viewpoint of ensuring drainage, and the like. It was inevitable to take measures such as increasing the groove area by the change.

【0006】[0006]

【発明が解決しようとする課題】しかしながら、溝部面
積の拡大は、排水性が向上する反面、トレッドの陸部剛
性の低下による操縦安定性の低下や、耐偏摩耗性の低下
を招き、さらには摩耗容積の減少によるタイヤ寿命の低
下を伴うものであった。したがって、高速道路網の整備
が急速に進んでいる今日では、トレッドパターンの変更
を伴うことのない他の手法が強く望まれている。
However, the enlargement of the groove area, while improving drainage, leads to a decrease in steering stability due to a decrease in land rigidity of the tread and a decrease in uneven wear resistance. This was accompanied by a decrease in tire life due to a decrease in wear volume. Therefore, today, the maintenance of the expressway network is progressing rapidly, and there is a strong demand for another method without changing the tread pattern.

【0007】そこで本発明の目的は、トレッドパターン
を変更することなく排水性を高め、耐ハイドロプレーニ
ング性能の向上を図った空気入りタイヤを提供すること
にある。
SUMMARY OF THE INVENTION It is an object of the present invention to provide a pneumatic tire with improved drainage without changing the tread pattern and improved hydroplaning resistance.

【0008】[0008]

【課題を解決するための手段】本発明者は、上記課題を
解決すべく鋭意検討した結果、溝の壁面等を走行中に水
流抵抗が小さくなる方向に、いわゆる鮫肌とすることに
より、トレッドパターンを変更することなく排水性を高
めることができることを見出し、本発明を完成するに至
った。すなわち、本発明は下記に示す通りである。
Means for Solving the Problems As a result of intensive studies to solve the above-mentioned problems, the present inventor has found that a tread pattern is formed by forming a so-called shark skin in a direction in which water flow resistance decreases while running on a wall surface of a groove or the like. It has been found that the drainage can be improved without changing the composition, and the present invention has been completed. That is, the present invention is as described below.

【0009】(1)トレッド表面に溝を有する空気入り
タイヤにおいて、前記溝の溝底および/または溝壁の少
なくとも一部に、走行中の水流抵抗が小さくなる方向に
鮫肌形状が形成されてなることを特徴とする空気入りタ
イヤである。
(1) In a pneumatic tire having a groove on a tread surface, a shark skin shape is formed on a groove bottom and / or at least a part of a groove wall of the groove in a direction in which water flow resistance during running is reduced. A pneumatic tire characterized in that:

【0010】(2)前記(1)の空気入りタイヤにおい
て、前記鮫肌形状が鋸刃状突起にて形成され、該鋸刃状
突起の高さ(W)が0.5〜2mmである空気入りタイ
ヤである。
(2) In the pneumatic tire according to (1), the shark skin shape is formed by saw-shaped protrusions, and the height (W) of the saw-shaped protrusions is 0.5 to 2 mm. Tires.

【0011】(3)前記(2)の空気入りタイヤにおい
て、前記鋸刃状突起の突起間距離(P)が1.5〜5m
mである空気入りタイヤである。
(3) In the pneumatic tire of (2), the inter-projection distance (P) of the saw blade-like projections is 1.5 to 5 m.
m.

【0012】(4)前記(3)の空気入りタイヤにおい
て、前記鋸刃状突起の突起先端とその長辺側底部との距
離(L)が次式、0.75P≦L≦1.25P(式中の
Pは前記鋸刃状突起の突起間距離)で表される関係を満
足する空気入りタイヤである。
(4) In the pneumatic tire of (3), the distance (L) between the tip of the saw-shaped protrusion and the bottom of the long side thereof is expressed by the following equation: 0.75P ≦ L ≦ 1.25P ( P in the formula is a pneumatic tire that satisfies the relationship represented by (the distance between the protrusions of the saw blade-like protrusions).

【0013】(5)前記(1)〜(4)のいずれかの空
気入りタイヤにおいて、前記トレッド表面が方向性パタ
ーンを有し、該方向性パターンの周方向溝および幅方向
溝の溝底および/または溝壁の少なくとも一部に鮫肌形
状が形成されてなる空気入りタイヤである。
(5) In the pneumatic tire according to any one of the above (1) to (4), the tread surface has a directional pattern, and a circumferential groove and a groove bottom of a width direction groove of the directional pattern and And / or a pneumatic tire having a shark skin shape formed on at least a part of a groove wall.

【0014】(6)前記(1)〜(4)のいずれかの空
気入りタイヤにおいて、前記トレッド表面が非方向性パ
ターンを有し、該非方向性パターンの幅方向溝の溝底お
よび/または溝壁の少なくとも一部に鮫肌形状が形成さ
れてなる空気入りタイヤである。
(6) In the pneumatic tire according to any one of (1) to (4), the tread surface has a non-directional pattern, and a groove bottom and / or a groove in a width direction groove of the non-directional pattern. This is a pneumatic tire having a shark skin shape formed on at least a part of a wall.

【0015】本発明においては、溝の表面を鮫肌形状と
することで一方向への水の流れをスムーズにし、この水
の流れ易い方向がタイヤ接地面の両側や、方向性タイヤ
の場合には前方となるようにしたことで、トレッドパタ
ーンを変更することなく排水性を高めたものである。
In the present invention, the flow of water in one direction is made smooth by making the surface of the groove a shark skin shape, and the direction in which the water flows easily is on both sides of the tire contact surface or in the case of a directional tire. By making it forward, drainage is improved without changing the tread pattern.

【0016】[0016]

【発明の実施の形態】以下、本発明の実施の形態につき
具体的に説明する。図1に、本発明の一実施の形態に係
る空気入りタイヤの方向性トレッドパターンを模式的に
示す。図示する好適例においては、周方向溝1および幅
方向溝2の溝壁すべてに、走行中の水流抵抗が小さくな
る方向(矢印の方向)に鮫肌形状の鋸刃状突起3が形成
されている。この鋸刃状突起3は溝底にも形成せしめる
ことができ(図示せず)、これによりさらに水の流れを
スムーズにすることができ、より一層の排水性の向上が
得られる。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below. FIG. 1 schematically shows a directional tread pattern of a pneumatic tire according to one embodiment of the present invention. In the preferred example shown in the drawing, a shark-skin-shaped saw blade-like projection 3 is formed on all of the groove walls of the circumferential groove 1 and the width groove 2 in a direction (in the direction of the arrow) in which the water flow resistance during running decreases. . The serrated protrusions 3 can also be formed at the bottom of the groove (not shown), whereby the flow of water can be further smoothed, and the drainage can be further improved.

【0017】図2に、本発明の他の実施の形態に係る空
気入りタイヤの非方向性トレッドパターンを模式的に示
す。図示する好適例においては、周方向溝1は通常の平
坦な溝壁とし、幅方向溝2の溝壁すべてに、走行中の水
流抵抗が小さくなる方向(矢印の方向)に鮫肌形状の鋸
刃状突起3が形成されている。この鋸刃状突起3は幅方
向溝2の溝底にも形成せしめることができ(図示せ
ず)、これによりさらに幅方向溝2の水の流れをスムー
ズにすることができる。
FIG. 2 schematically shows a non-directional tread pattern of a pneumatic tire according to another embodiment of the present invention. In the preferred embodiment shown in the figures, the circumferential groove 1 is a normal flat groove wall, and the shank-shaped saw blade is provided on all the groove walls of the width direction groove 2 in a direction (direction of an arrow) in which the water flow resistance during running is reduced. A projection 3 is formed. The saw-shaped protrusions 3 can also be formed at the bottom of the width direction groove 2 (not shown), so that the flow of water in the width direction groove 2 can be further smoothed.

【0018】本発明において、溝壁面等に形成せしめる
鮫肌形状の鋸刃状突起3を拡大して示すと図3のように
なり、この鋸刃状突起3の高さ(W)は、好ましくは
0.5〜2mmである。この高さ(W)が0.5mm未
満では矢印方向の排水性向上効果が十分ではなく、一
方、2mmを超えると溝部面積の減少が無視できなくな
るとともに、排水性向上効果もさほど望めなくなる。ま
た、同様に排水性を高める上で、鋸刃状突起3の突起間
距離(P)は、好ましくは1.5〜5mmであり、さら
に鋸刃状突起3の突起先端とその長辺側底部との距離
(L)は次式、 0.75P≦L≦1.25P (式中のPは前記鋸刃状突起の突起間距離)で表される
関係を満足することが好ましい。
In the present invention, FIG. 3 is an enlarged view of the shark-skin-shaped saw-shaped protrusion 3 formed on the groove wall surface or the like, and the height (W) of the saw-shaped protrusion 3 is preferably set to be as shown in FIG. 0.5 to 2 mm. If the height (W) is less than 0.5 mm, the effect of improving drainage in the direction of the arrow is not sufficient, while if it exceeds 2 mm, the decrease in groove area cannot be ignored and the effect of improving drainage cannot be expected much. Similarly, in order to enhance drainage, the inter-projection distance (P) of the saw blade-shaped projections 3 is preferably 1.5 to 5 mm, and furthermore, the tip of the saw blade-shaped projections 3 and the bottom of the long side thereof. It is preferable that the distance (L) satisfying a relationship represented by the following equation: 0.75P ≦ L ≦ 1.25P (where P is the distance between the projections of the saw-toothed projection).

【0019】かかる鋸刃状突起3は、対向する壁面の双
方に設けることが好ましいが、片側のみであっても排水
性の向上効果を得ることができる。また、壁面と同様に
鋸刃状突起3を溝底に形成せしめてもよい。さらには、
周方向溝1と幅方向溝2とで、鋸刃状突起3の高さ
(W)、突起間距離(P)、さらには突起先端とその長
辺側底部との距離(L)を変えてもよく、これらはトレ
ッドパターンの種類やタイヤの種類に応じ適宜選定する
ことができる。
It is preferable that the saw blade-shaped projections 3 are provided on both of the opposed wall surfaces. Further, the saw blade-shaped projection 3 may be formed on the groove bottom similarly to the wall surface. Moreover,
The height (W) and the distance (P) between the protrusions of the saw blade-shaped protrusion 3 and the distance (L) between the tip of the protrusion and the bottom on the long side of the circumferential groove 1 and the width direction groove 2 are changed. These can be appropriately selected according to the type of tread pattern and the type of tire.

【0020】本発明は、トレッド表面に排水用の溝が形
成されているタイヤすべてに適用可能であり、トレッド
パターンの種類やタイヤの種類は特に問うものではな
い。
The present invention is applicable to all tires having a drain groove formed on the tread surface, and there is no particular limitation on the type of tread pattern and the type of tire.

【0021】[0021]

【実施例】以下、本発明を実施例に基づき説明する。実施例1、比較例1 トレッドパターンは同一の方向性パターンとし、溝壁の
みを、実施例1として図1に示す鮫肌形状の鋸刃状突起
3(W1.0mm,P3.0mm,L3.0mm)を有
するものと、比較例1として図4に示す通常の平坦な壁
面のものとした2種類の供試空気入りタイヤ(サイズ2
05/65R15)を試作した。試作タイヤをリム
(6.5J×15)に装着し、前輪の内圧210kP
a、後輪の内圧230kPaにて実車(カムリグラシ
ア)に装着し、耐ハイドロプレーニング性の評価を行っ
た。この評価方法は下記の通りである。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments. Example 1 and Comparative Example 1 The tread pattern was the same directional pattern, and only the groove wall was the same as the shark-skin saw-shaped protrusion 3 (W1.0 mm, P3.0 mm, L3.0 mm) shown in FIG. ) And two types of test pneumatic tires (size 2
05 / 65R15). Attach the prototype tire to the rim (6.5J × 15), and the internal pressure of the front wheel is 210kP
a) Attached to an actual vehicle (Cam Ligrasia) at an internal pressure of 230 kPa of the rear wheel, and evaluated for hydroplaning resistance. This evaluation method is as follows.

【0022】(耐ハイドロプレーニング性の評価方法)
水深10mmにコントロールされたコースを直進にて加
速していき、タイヤの空転した速度をハイドロプレーニ
ング速度とした。得られた結果を下記の表1に示す。
(Evaluation method for hydroplaning resistance)
The course controlled to a water depth of 10 mm was accelerated in a straight line, and the speed at which the tires idled was taken as the hydroplaning speed. The results obtained are shown in Table 1 below.

【0023】実施例2、比較例2 トレッドパターンは同一の非方向性パターンとし、幅方
向溝2の溝壁のみを、実施例2として図2に示す鮫肌形
状の鋸刃状突起3(W1.0mm,P3.0mm,L
3.0mm)を有するものと、比較例2として図5に示
す通常の平坦な壁面のものとした2種供試空気入りタイ
ヤ(サイズ205/65R15)を試作した。試作タイ
ヤをリム(6.5J×15)に装着し、前輪の内圧21
0kPa、後輪の内圧230kPaにて実車(カムリグ
ラシア)に装着し、耐ハイドロプレーニング性の評価を
前述の評価方法と同様にして行った。得られた結果を下
記の表1に示す。
Example 2 and Comparative Example 2 The tread pattern is the same non-directional pattern, and only the groove wall of the width direction groove 2 is a shark-skin shaped saw blade-like projection 3 (W1. 0mm, P3.0mm, L
As a comparative example 2, two kinds of test pneumatic tires (size 205 / 65R15) having a normal flat wall surface as shown in FIG. The prototype tire was mounted on the rim (6.5J × 15) and the internal pressure of the front wheel was 21
It was mounted on an actual vehicle (Cam Ligracia) at 0 kPa and an inner pressure of the rear wheel of 230 kPa, and the evaluation of hydroplaning resistance was performed in the same manner as the above-described evaluation method. The results obtained are shown in Table 1 below.

【0024】[0024]

【表1】 [Table 1]

【0025】上記表1から明らかなように、方向性パタ
ーンおよび非方向性パターンともに、溝壁面に鮫肌形状
の鋸刃状突起を設けた方がハイドロプレーニングを起こ
す速度が高く、耐ハイドロプレーニング性に優れている
ことがわかる。
As is evident from Table 1 above, in both the directional pattern and the non-directional pattern, the provision of a shark-skin-shaped saw blade-like projection on the groove wall surface increases the speed of hydroplaning, and improves the hydroplaning resistance. It turns out that it is excellent.

【0026】[0026]

【発明の効果】以上説明してきたように、本発明の空気
入りタイヤにおいては、溝の壁面等を走行中に水流抵抗
が小さくなる方向に鮫肌としたことで、トレッドパター
ンを変更することなく排水性が高まり、耐ハイドロプレ
ーニング性能の向上を図ることができる。
As described above, according to the pneumatic tire of the present invention, the shark skin is formed in the direction in which the water flow resistance becomes smaller during running on the wall surface of the groove or the like, so that the drainage can be performed without changing the tread pattern. And the anti-hydroplaning performance can be improved.

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

【図1】本発明の一実施の形態に係る空気入りタイヤの
トレッド表面における溝壁形状と排水方向を示す模式図
である。
FIG. 1 is a schematic diagram showing a groove wall shape and a drainage direction on a tread surface of a pneumatic tire according to one embodiment of the present invention.

【図2】本発明の他の実施の形態に係る空気入りタイヤ
のトレッド表面における溝壁形状と排水方向を示す模式
図である。
FIG. 2 is a schematic diagram showing a groove wall shape and a drainage direction on a tread surface of a pneumatic tire according to another embodiment of the present invention.

【図3】溝壁の鮫肌形状の鋸刃状突起を示す拡大図であ
る。
FIG. 3 is an enlarged view showing a shark-shaped saw-toothed protrusion on a groove wall.

【図4】従来の空気入りタイヤのトレッド表面における
溝壁形状と排水方向を示す模式図である。
FIG. 4 is a schematic diagram showing a groove wall shape and a drainage direction on a tread surface of a conventional pneumatic tire.

【図5】従来の他の空気入りタイヤのトレッド表面にお
ける溝壁形状と排水方向を示す模式図である。
FIG. 5 is a schematic diagram showing a groove wall shape and a drainage direction on a tread surface of another conventional pneumatic tire.

【符号の説明】[Explanation of symbols]

1 周方向溝 2 幅方向溝 3 鋸刃状突起 1 circumferential groove 2 width groove 3 saw-shaped protrusion

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】 トレッド表面に溝を有する空気入りタイ
ヤにおいて、前記溝の溝底および/または溝壁の少なく
とも一部に、走行中の水流抵抗が小さくなる方向に鮫肌
形状が形成されてなることを特徴とする空気入りタイ
ヤ。
1. A pneumatic tire having a groove on a tread surface, wherein a shark skin shape is formed on at least a part of a groove bottom and / or a groove wall of the groove in a direction in which water flow resistance during running decreases. A pneumatic tire characterized by the following.
【請求項2】 前記鮫肌形状が鋸刃状突起にて形成さ
れ、該鋸刃状突起の高さ(W)が0.5〜2mmである
請求項1記載の空気入りタイヤ。
2. The pneumatic tire according to claim 1, wherein the shark skin shape is formed by saw blade-shaped protrusions, and the height (W) of the saw blade protrusions is 0.5 to 2 mm.
【請求項3】 前記鋸刃状突起の突起間距離(P)が
1.5〜5mmである請求項2記載の空気入りタイヤ。
3. The pneumatic tire according to claim 2, wherein a distance (P) between the protrusions of the saw blade-like protrusion is 1.5 to 5 mm.
【請求項4】 前記鋸刃状突起の突起先端とその長辺側
底部との距離(L)が次式、 0.75P≦L≦1.25P (式中のPは前記鋸刃状突起の突起間距離)で表される
関係を満足する請求項3記載の空気入りタイヤ。
4. The distance (L) between the tip of the protrusion of the saw blade and the bottom of the long side thereof is expressed by the following equation: 0.75P ≦ L ≦ 1.25P (where P is the saw blade protrusion. The pneumatic tire according to claim 3, which satisfies a relationship represented by a distance between protrusions.
【請求項5】 前記トレッド表面が方向性パターンを有
し、該方向性パターンの周方向溝および幅方向溝の溝底
および/または溝壁の少なくとも一部に鮫肌形状が形成
されてなる請求項1〜4のうちいずれか一項記載の空気
入りタイヤ。
5. The tread surface has a directional pattern, and a shark skin shape is formed on at least a part of a groove bottom and / or a groove wall of the circumferential groove and the width direction groove of the directional pattern. The pneumatic tire according to any one of claims 1 to 4.
【請求項6】 前記トレッド表面が非方向性パターンを
有し、該非方向性パターンの幅方向溝の溝底および/ま
たは溝壁の少なくとも一部に鮫肌形状が形成されてなる
請求項1〜4のうちいずれか一項記載の空気入りタイ
ヤ。
6. A shark skin shape is formed on a surface of the tread having a non-directional pattern, and at least a part of a groove bottom and / or a groove wall of a width direction groove of the non-directional pattern is formed. A pneumatic tire according to any one of the preceding claims.
JP2000222219A 2000-07-24 2000-07-24 Pneumatic tire Pending JP2002036820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000222219A JP2002036820A (en) 2000-07-24 2000-07-24 Pneumatic tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000222219A JP2002036820A (en) 2000-07-24 2000-07-24 Pneumatic tire

Publications (1)

Publication Number Publication Date
JP2002036820A true JP2002036820A (en) 2002-02-06

Family

ID=18716489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000222219A Pending JP2002036820A (en) 2000-07-24 2000-07-24 Pneumatic tire

Country Status (1)

Country Link
JP (1) JP2002036820A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004048130A1 (en) * 2002-11-26 2004-06-10 The Yokohama Rubber Co.,Ltd. Pneumatic tire
JP2008030621A (en) * 2006-07-28 2008-02-14 Yokohama Rubber Co Ltd:The Tire
US7497240B2 (en) 2001-12-19 2009-03-03 The Goodyear Tire & Rubber Company Tire including projections having sides of unequal length and an undercut extending beneath the apex
JP2011235855A (en) * 2010-05-13 2011-11-24 Toyo Tire & Rubber Co Ltd Pneumatic tire
DE102012105300A1 (en) 2012-06-19 2013-12-19 Continental Reifen Deutschland Gmbh Vehicle tires
US20150352902A1 (en) * 2013-02-08 2015-12-10 Bridgestone Corporation Pneumatic tire
JP2017503702A (en) * 2013-12-18 2017-02-02 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー Tires and other objects having aerodynamic / hydrodynamic surface treatment
EP3063021A4 (en) * 2013-10-30 2017-07-12 Bridgestone Americas Tire Operations, LLC Snow tire with directional paddles
CN107031300A (en) * 2015-11-17 2017-08-11 东洋橡胶工业株式会社 Pneumatic tire
CN107107675A (en) * 2015-01-12 2017-08-29 大陆轮胎德国有限公司 Pneumatic vehicle tire
DE102018221502A1 (en) 2017-12-13 2019-06-13 Toyo Tire & Rubber Co., Ltd. Pneumatic tire
US20190359008A1 (en) * 2018-05-22 2019-11-28 Sumitomo Rubber Industries, Ltd. Tire
CN112009176A (en) * 2019-05-31 2020-12-01 住友橡胶工业株式会社 Tyre for vehicle wheels
US20210001669A1 (en) * 2019-07-05 2021-01-07 Sumitomo Rubber Industries, Ltd. Tyre
EP3854611A1 (en) * 2020-01-23 2021-07-28 Aeolus Tyre Co., Ltd. Low-noise and high-wet-skidding-resistance tire
JP7457869B2 (en) 2020-07-06 2024-03-28 ブリヂストン ヨーロッパ エヌブイ/エスエイ Tread with high drainage properties

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7497240B2 (en) 2001-12-19 2009-03-03 The Goodyear Tire & Rubber Company Tire including projections having sides of unequal length and an undercut extending beneath the apex
WO2004048130A1 (en) * 2002-11-26 2004-06-10 The Yokohama Rubber Co.,Ltd. Pneumatic tire
JPWO2004048130A1 (en) * 2002-11-26 2006-03-23 横浜ゴム株式会社 Pneumatic tire
US7537033B2 (en) 2002-11-26 2009-05-26 The Yokohama Rubber Co., Ltd. Pneumatic tire with tread including circumferential grooves having inclined ridges or recesses
JP2008030621A (en) * 2006-07-28 2008-02-14 Yokohama Rubber Co Ltd:The Tire
JP2011235855A (en) * 2010-05-13 2011-11-24 Toyo Tire & Rubber Co Ltd Pneumatic tire
DE102012105300A1 (en) 2012-06-19 2013-12-19 Continental Reifen Deutschland Gmbh Vehicle tires
EP2676815A1 (en) 2012-06-19 2013-12-25 Continental Reifen Deutschland GmbH Pneumatic tyre for a vehicle
US20150352902A1 (en) * 2013-02-08 2015-12-10 Bridgestone Corporation Pneumatic tire
US10245893B2 (en) * 2013-02-08 2019-04-02 Bridgestone Corporation Pneumatic tire
EP3063021A4 (en) * 2013-10-30 2017-07-12 Bridgestone Americas Tire Operations, LLC Snow tire with directional paddles
US10350946B2 (en) * 2013-10-30 2019-07-16 Bridgestone Americas Tire Operations, Llc Snow tire with directional paddles
JP2017503702A (en) * 2013-12-18 2017-02-02 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー Tires and other objects having aerodynamic / hydrodynamic surface treatment
US10696104B2 (en) 2013-12-18 2020-06-30 Bridgestone Americas Tire Operations, Llc Tires and other objects having an aerodynamic/hydrodynamic surface treatment
CN107107675A (en) * 2015-01-12 2017-08-29 大陆轮胎德国有限公司 Pneumatic vehicle tire
CN107031300A (en) * 2015-11-17 2017-08-11 东洋橡胶工业株式会社 Pneumatic tire
DE102018221502A1 (en) 2017-12-13 2019-06-13 Toyo Tire & Rubber Co., Ltd. Pneumatic tire
US11179974B2 (en) 2017-12-13 2021-11-23 Toyo Tire Corporation Pneumatic tire
US20190359008A1 (en) * 2018-05-22 2019-11-28 Sumitomo Rubber Industries, Ltd. Tire
US11633990B2 (en) * 2018-05-22 2023-04-25 Sumitomo Rubber Industries, Ltd. Tire
US11691461B2 (en) * 2019-05-31 2023-07-04 Sumitomo Rubber Industries, Ltd. Tyre
US20200376900A1 (en) * 2019-05-31 2020-12-03 Sumitomo Rubber Industries, Ltd. Tyre
CN112009176A (en) * 2019-05-31 2020-12-01 住友橡胶工业株式会社 Tyre for vehicle wheels
CN112009176B (en) * 2019-05-31 2024-03-29 住友橡胶工业株式会社 Tire with a tire body
JP2021011186A (en) * 2019-07-05 2021-02-04 住友ゴム工業株式会社 tire
US20210001669A1 (en) * 2019-07-05 2021-01-07 Sumitomo Rubber Industries, Ltd. Tyre
US11584166B2 (en) * 2019-07-05 2023-02-21 Sumitomo Rubber Industries, Ltd. Tyre
JP7326941B2 (en) 2019-07-05 2023-08-16 住友ゴム工業株式会社 tire
EP3854611A1 (en) * 2020-01-23 2021-07-28 Aeolus Tyre Co., Ltd. Low-noise and high-wet-skidding-resistance tire
JP7457869B2 (en) 2020-07-06 2024-03-28 ブリヂストン ヨーロッパ エヌブイ/エスエイ Tread with high drainage properties

Similar Documents

Publication Publication Date Title
EP1872973B1 (en) Pneumatic tire
JP3822338B2 (en) Pneumatic tire
KR101494484B1 (en) Pneumatic tire
JP2002036820A (en) Pneumatic tire
JP4329912B1 (en) Pneumatic tire
JP3702958B2 (en) Pneumatic tire for icy and snowy roads
JP2003211915A (en) Pneumatic tire
JP2000108615A (en) Passenger car pneumatic radial tire with directional inclined groove
JP2003211921A (en) Pneumatic tire
JP2001233021A (en) Land part structure for pneumatic tire
JP2002240513A (en) Pneumatic tire
JP2009286212A (en) Pneumatic tire
JPH08156525A (en) Pneumatic tire for traveling on ice and snow
JP4017503B2 (en) Pneumatic tire
JP4914277B2 (en) Pneumatic tire and pneumatic tire rotation method
JP4404398B2 (en) Pneumatic tire
JP3954397B2 (en) Pneumatic tire
JP2006051873A (en) Pneumatic tire
JP2011051431A (en) Pneumatic tire
JP2975124B2 (en) Pneumatic tire
JP2001322406A (en) Pneumatic tire
JP2009018605A (en) Pneumatic tire
JP3590137B2 (en) High performance pneumatic tire with directional tilt block
JP2004034902A (en) Pneumatic tire for ice or snow covered road
JP4421432B2 (en) Pneumatic tire