JPH05238206A - Pneumatic tire - Google Patents
Pneumatic tireInfo
- Publication number
- JPH05238206A JPH05238206A JP4043727A JP4372792A JPH05238206A JP H05238206 A JPH05238206 A JP H05238206A JP 4043727 A JP4043727 A JP 4043727A JP 4372792 A JP4372792 A JP 4372792A JP H05238206 A JPH05238206 A JP H05238206A
- Authority
- JP
- Japan
- Prior art keywords
- tread
- layer
- carcass
- tire
- pneumatic tire
- 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
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
- B60C11/0306—Patterns comprising block rows or discontinuous ribs
-
- 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
- B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
- B60C9/2009—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords comprising plies of different materials
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はロードノイズを低減する
空気入りタイヤのトレッド部の補強構造の改良に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a reinforcing structure of a tread portion of a pneumatic tire which reduces road noise.
【０００２】[0002]
【従来の技術】従来より存在するロードノイズを低減す
る方法としては、（１）タイヤのトレッド部のゴムを軟
化させる手法（２）タイヤのカーカス形状を変えること
によってベルト層の張力を強化する手法（３）文錯ベル
ト層のベルト端部を周方向に配置されたコードをゴム引
きした補強層で挾持することによりベルト剛性を強化す
る手法等を用いたやり方がある。2. Description of the Related Art As a conventional method for reducing road noise, (1) a method of softening rubber in a tread portion of a tire (2) a method of strengthening a belt layer tension by changing a carcass shape of the tire (3) There is a method using a method of strengthening the belt rigidity by sandwiching the belt end portion of the complex belt layer with a rubber-reinforced reinforcing layer arranged in the circumferential direction.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記し
た手法を用いたロードノイズを低減する方法は（１）に
おいては、トレッドゴムを軟化することによってロード
ノイズを低減できても、一方では摩耗性が大きく低下
し、また操安性も低下してしまい、実際上は全体として
大きな効果は得られず、また、（２）においては、ベル
ト層の張力を強化することはできても、タイヤの横剛性
及びコーナリング特性が低下し、トレッド部以外の部分
でも接地し、外観上もよくなく、さらに、（３）におい
ては、何らかの効果は得られるが、依然としてその程度
のものでは満足できるものではなかった。そこで、発明
者らは（３）の手法を発展させ、トレッド部の補強層の
ベルト周方向の曲げ剛性を高めることによりロードノイ
ズを低減することに成功したのである。また、一般に曲
げ剛性は、断面２次モーメントとヤング率の積に比例す
るものであるので、ヤング率の方では補強層に弾性率の
高い材料を使用したり、またコード層の方についてはコ
ードとして繊維を使用する場合には図３（ｇ）の比較例
のようにコードの周方向（或いは赤道面）に対する角度
を上げる方法が採られているが、上記のようなこの程度
のものでは十分な効果が得られないのが現状である。本
発明は、上記の問題を解消するために創案されたもので
あり、その目的とするところは、空気入りタイヤにおい
てタイヤのトレッド部の補強構造を改良することによっ
てロードノイズの低減を図ることにある。However, in the method (1) for reducing road noise using the above-mentioned method, the road noise can be reduced by softening the tread rubber, but on the other hand, wear resistance is reduced. In fact, the overall effect is not obtained, and the belt layer tension can be strengthened, but the lateral force of the tire is reduced. Rigidity and cornering characteristics deteriorated, the parts other than the tread part contact the ground, and the appearance is not good. Further, in (3), some effect can be obtained, but it is still not satisfactory. .. Therefore, the inventors succeeded in reducing the road noise by developing the method (3) and increasing the bending rigidity of the reinforcing layer of the tread portion in the belt circumferential direction. In addition, since bending rigidity is generally proportional to the product of the second moment of area and Young's modulus, a material with a high elastic modulus is used for the Young's modulus and a cord layer for the cord layer. When a fiber is used as the fiber, a method of increasing the angle with respect to the circumferential direction (or the equatorial plane) of the cord is adopted as in the comparative example of FIG. 3 (g). The current situation is that such effects cannot be obtained. The present invention was devised in order to solve the above problems, and its purpose is to reduce road noise by improving the reinforcing structure of the tread portion of the tire in a pneumatic tire. is there.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
に、本発明の空気入りタイヤにおいては、左右一対の環
状ビード部と、両ビード部間をトロイド状に延びる繊維
コード層から成るラジアルカーカスと、このカーカスの
クラウン部に軸方向に所定間隔をおいて周方向に延びる
複数の主溝及びこれら主溝と両端によって区分された陸
部を含むトレッドと、上記カーカスとトレッド間に非伸
長性コードをタイヤの赤道面に対して浅い角度で傾斜配
列した層の少なくとも２枚を、それらコードが互いに交
差するように重ね合わせて成るベルト層をトレッド幅一
杯に配置し補強したタイヤであって、上記ベルト層はト
レッドの主溝対応位置においてトレッド側の層がカーカ
ス側層に対し離間し、少なくともその分上記トレッド側
の層が径方向外側に隆起していることを特徴とするもの
が提供される。In order to achieve the above object, in a pneumatic tire of the present invention, a radial carcass comprising a pair of left and right annular bead portions and a fiber cord layer extending in a toroidal shape between the bead portions. And a tread including a plurality of main grooves extending in the circumferential direction at a predetermined interval in the crown portion of the carcass in the axial direction and a land portion separated from the main grooves by both ends, and non-stretchability between the carcass and the tread. A tire in which a belt layer formed by stacking at least two layers of cords inclined and arranged at a shallow angle with respect to the equatorial plane of the tire so that the cords cross each other is arranged to fill the tread width and is reinforced, In the belt layer, the tread-side layer is separated from the carcass-side layer at the position corresponding to the main groove of the tread, and the tread-side layer is radially outside at least that much. Which is characterized in that is raised is provided.
【０００５】[0005]
【作用】本発明による曲げ剛性を向上させる方法は究極
において断面二次モーメントを上げる方法であり、した
がって、それを増加させるには第１ベルト層と第２ベル
ト層間のベルト間の厚み（以下、断面高さという）を増
やせばよいが、それにはおのずと制約があるので、それ
を考慮して本発明のように、通常の空気入りタイヤにお
けるベルト層のトレッドの主溝対応位置においてトレッ
ド側の層をカーカス側層に対して離間させ、少なくとも
その分上記トレッド側の層を径方向外側に隆起させるこ
とによってトレッドゴムの厚みは元のままに保ったま
ま、ベルト層間の断面高さを効果的に高くし、曲げ剛性
の向上を図ることができ、結果的にロードノイズの低減
につながるのである。またベルト層の隆起部内側には、
コード層及び（或いは）比較的硬質のゴム層を配置すれ
ば、ベルト層のその部分に生じやすい曲げ変形を抑制で
きる。The method of improving the bending rigidity according to the present invention is ultimately a method of increasing the second moment of area. Therefore, the thickness between the first belt layer and the second belt layer (hereinafter, The cross-section height) may be increased, but it naturally has a limitation, and in consideration thereof, as in the present invention, a layer on the tread side at a position corresponding to the main groove of the tread of the belt layer in a normal pneumatic tire is provided. Is separated from the carcass-side layer, and at least that portion of the tread-side layer is raised outward in the radial direction to keep the thickness of the tread rubber unchanged and effectively increase the cross-sectional height between the belt layers. The height can be increased to improve the bending rigidity, resulting in reduction of road noise. Also, inside the raised part of the belt layer,
By disposing the cord layer and / or the rubber layer which is relatively hard, it is possible to suppress bending deformation that tends to occur in that portion of the belt layer.
【０００６】[0006]
【実施例】以下、本発明の実施例を図面を参照して説明
する。図１において、空気入りタイヤ１は左右一対のビ
ードコア２の周りにタイヤ内側から外側に折返して係止
されるカーカス３と、該カーカス３の半径方向外側に配
置される第１ベルト層４1 、第２ベルト層４2 からなる
ベルト層４を備えており、そのベルト層４のうち、第２
ベルト層４2 のトレッド６の主溝７の下面側の部分には
隆起部８を有する補助層５が形成されている。隆起部８
の厚さｇは０．５〜３ｍｍ程度であり、その幅ｗ2 は主
溝７の幅ｗ1 より広くなっており、補助層５はその幅は
５ｍｍ〜１０ｍｍ程度で、ゴム層或いはコード層からな
っている。コード層の場合にはコードとしてナイロン、
ポリエステル、レーヨン、アラミド、金属コード等を用
い、赤道面と平行に配列したゴム引きコード層を一枚以
上、必要な隆起部８の厚さｇを与えて形成すればよい。
このときのコード層を形成するコードはフィラメントが
撚られたコードである必要はなく、単なるフィラメント
でもよいことは勿論であり、コードの向きも赤道面に平
行でなくとも構わない。この補強層の弾性率は１０％伸
張時の弾性率が６００ｋｇｆ／ｍｍ2 以上であれば、そ
の部分のヤング率を効果的に向上させることができるの
で、その値以上であることが望ましい。また、トレッド
６の陸部形状はタイヤ周方向に連続して伸びる複数溝か
らなるリブパターンでもよく、その複数溝と交差する複
数溝によって形成されるブロックパターンであってもよ
い。Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, a pneumatic tire 1 includes a carcass 3 which is folded back and locked around a pair of left and right bead cores 2 from the tire inner side to the outer side, and a first belt layer 4 1 arranged on the outer side in the radial direction of the carcass 3. The belt layer 4 including the second belt layer 4 2 is provided.
An auxiliary layer 5 having a raised portion 8 is formed on a portion of the belt layer 4 2 on the lower surface side of the main groove 7 of the tread 6. Ridge 8
Has a thickness g of about 0.5 to 3 mm, its width w 2 is wider than the width w 1 of the main groove 7, and the width of the auxiliary layer 5 is about 5 mm to 10 mm. It consists of In the case of the cord layer, nylon as the cord,
Polyester, rayon, aramid, metal cord or the like may be used to form one or more rubberized cord layers arranged in parallel with the equatorial plane to give a necessary thickness g of the raised portion 8.
The cord forming the cord layer at this time does not need to be a cord in which filaments are twisted, and needless to say, may be a simple filament, and the direction of the cord may not be parallel to the equatorial plane. If the elastic modulus of this reinforcing layer at 10% elongation is 600 kgf / mm 2 or more, the Young's modulus of that portion can be effectively improved, and therefore it is preferable that the elastic modulus is not less than that value. Further, the land portion shape of the tread 6 may be a rib pattern composed of a plurality of grooves continuously extending in the tire circumferential direction, or may be a block pattern formed by a plurality of grooves intersecting with the plurality of grooves.
【０００７】なお、上記空気入りタイヤにおけるカーカ
ス３の補強コードは赤道面と平行であっても、赤道面に
対して傾斜してもよいことは勿論である。上記実施例１
ではトレッド６の主溝７の下面の第２ベルト層４2 のみ
が隆起部８となっていて、その内部の補助層５が形成さ
れたものを示したが、実施例２として図２に示すように
トレッド６の主溝７の下面の第２ベルト層４2 と平行に
第１ベルト層４1 の部分が隆起しており、その両者の間
に補助層５が形成されたものも存在する。勿論、補助層
５の構成としてはコードのみのもの硬質ゴムのみのもの
或いは両者を備えたものがあり、それは、以下の実施例
１〜６に示されている。Of course, the reinforcing cord of the carcass 3 in the pneumatic tire may be parallel to the equatorial plane or inclined with respect to the equatorial plane. Example 1 above
In FIG. 2, the second belt layer 4 2 on the lower surface of the main groove 7 of the tread 6 is the raised portion 8 and the auxiliary layer 5 is formed therein. also present as a second belt layer 4 2 in parallel with the first belt layer 4 1 part of the lower surface of the main groove 7 of the tread 6 has raised, which auxiliary layer 5 is formed between the both .. As a matter of course, the auxiliary layer 5 may have a cord only, a hard rubber only, or both, as shown in Examples 1 to 6 below.
【０００８】次に上記のような構成のトレッド６の主溝
７の下面に設けた隆起部８の部分に補助層５をタイヤサ
イズ２５／６０Ｒ１５に適用した実施例１〜６及び比較
例の寸法等の諸条件を示すとともにそれらの比較例、実
施例のタイヤを乗用車に装着して路上走行した試験条件
及び試験結果を示すと次のとおりである。Next, the dimensions of Examples 1 to 6 and Comparative Example in which the auxiliary layer 5 was applied to the tire size 25 / 60R15 in the portion of the raised portion 8 provided on the lower surface of the main groove 7 of the tread 6 having the above-described structure. In addition to showing various conditions such as the above, the test conditions and the test results of running on the road with the tires of Comparative Examples and Examples mounted on a passenger car are as follows.
【０００９】（１）構造、寸法等の諸条件(1) Various conditions such as structure and size
【００１０】 [0010]
【００１１】 [0011]
【００１２】 [0012]
【００１３】（２）試験方法 タイヤサイズ２０５／６５Ｒ１５の上記実施例及び比較
例の構成の内圧２．０ｋｇ／ｍｍ2 の空気入りタイヤを
供試用乗用車に装着（４輪とも）し、荒れた舗装路の路
上を速度６０ｋｍ／ｈで走行し、タイヤ取付軸の所で加
速度計により上下振動を測定した。(2) Test method A pneumatic tire having an inner pressure of 2.0 kg / mm 2 having the tire size 205 / 65R15 of the above-mentioned examples and comparative examples was mounted on a passenger car under test (all four wheels), and rough paved. The vehicle traveled on the road at a speed of 60 km / h, and the vertical vibration was measured by an accelerometer at the tire mounting shaft.
【００１４】（３）試験結果 その結果を比較例の指数を１００とし、上下加速度を表
わすと次のようになった。(3) Test Results The results are shown below when the vertical acceleration is represented by setting the index of the comparative example to 100.
【００１５】 （注）指数は小さい程よく、上下加速度の大きさはロー
ドノイズと相関関係が高いから、この値を用いて表わし
た。[0015] (Note) The smaller the index, the better, and the magnitude of vertical acceleration has a high correlation with road noise.
【００１６】[0016]
【発明の効果】以上詳述したように、本発明の空気入り
タイヤは左右一対の環状ビード部と、両ビード部間をト
ロイド状に延びる繊維コード層から成るラジアルカーカ
スと、このカーカスのクラウン部に軸方向に所定間隔を
おいて周方向に延びる複数の主溝及びこれら主溝と両端
によって区分された陸部を含むトレッドと、上記カーカ
スとトレッド間に非伸長性コードをタイヤの赤道面に対
して浅い角度で傾斜配列した層の少なくとも２枚を、そ
れらコードが互いに交差するように重ね合わせて成るベ
ルト層をトレッド幅一杯に配置し補強したタイヤであっ
て、上記ベルト層はトレッドの主溝対応位置においてト
レッド側の層がカーカス側層に対し離間し、少なくとも
その分上記トレッド側の層が径方向外側に隆起している
ように構成されているので、従来のこの種のものと比べ
て著しくロードノイズを低減することができ、その結
果、乗り心地が一段とよくなった等の効果を奏するもの
である。As described above in detail, the pneumatic tire of the present invention has a pair of left and right annular bead portions, a radial carcass comprising a fiber cord layer extending in a toroidal shape between the bead portions, and a crown portion of the carcass. In the tread including a plurality of main grooves extending in the circumferential direction at predetermined intervals in the axial direction and land portions divided by these main grooves and both ends, and a non-stretchable cord between the carcass and the tread on the equatorial plane of the tire. A tire in which at least two layers inclined at a shallow angle with respect to each other are stacked so that their cords cross each other and a belt layer is reinforced by arranging the belt layer in the full width of the tread, the belt layer being the main part of the tread. The tread-side layer is separated from the carcass-side layer at the groove-corresponding position, and the tread-side layer is bulged radially outwardly by at least that much. Runode, compared with the conventional of this kind it is possible to reduce significantly road noise, and as a result, which exhibits the effects such as ride comfort becomes more better.
【図１】本発明の一実施例の全体構造を示した断面図で
ある。FIG. 1 is a sectional view showing the overall structure of an embodiment of the present invention.
【図２】本発明の別の実施例の全体構造を示した断面図
である。FIG. 2 is a sectional view showing the overall structure of another embodiment of the present invention.
【図３】（ａ）は本発明の実施例の要部構造を示した模
式的断面図である。（ｂ）は本発明の実施例の要部構造
を示した模式的断面図である。（ｃ）は本発明の実施例
の要部構造を示した模式的断面図である。（ｄ）は本発
明の実施例の要部構造を示した模式的断面図である。
（ｅ）は本発明の実施例の要部構造を示した模式的断面
図である。（ｆ）は本発明の実施例の要部構造を示した
模式的断面図である。（ｇ）は比較例の要部構造を示し
た模式的断面図である。FIG. 3A is a schematic cross-sectional view showing a main part structure of an embodiment of the present invention. (B) is a typical sectional view showing a main part structure of an example of the present invention. (C) is a schematic sectional view showing a main part structure of an embodiment of the present invention. (D) is a typical sectional view showing a main part structure of an example of the present invention.
(E) is a schematic sectional view showing a main part structure of an embodiment of the present invention. (F) is a schematic sectional view showing a main part structure of an embodiment of the present invention. (G) is a typical sectional view showing a main part structure of a comparative example.
１ 空気入りタイヤ ２ ビードコア ３ カーカス ４ ベルト層 ４1 第１ベルト層 ４2 第２ベルト層 ５ 補助層 ６ トレッド ７ 主溝 ８ 隆起部 ｗ1 主溝７の幅 ｗ2 隆起部の幅 ｇ 隆起部の厚みDESCRIPTION OF SYMBOLS 1 Pneumatic tire 2 Bead core 3 Carcass 4 Belt layer 4 1 First belt layer 4 2 Second belt layer 5 Auxiliary layer 6 Tread 7 Main groove 8 Raised portion w 1 Width of main groove 7 w 2 Raised portion width g Raised portion Thickness of
Claims (1)
間をトロイド状に延びる繊維コード層から成るラジアル
カーカスと、このカーカスのクラウン部に軸方向に所定
間隔をおいて周方向に延びる複数の主溝及びこれら主溝
と両端によって区分された陸部を含むトレッドと、上記
カーカスとトレッド間に非伸長性コードをタイヤの赤道
面に対して浅い角度で傾斜配列した層の少なくとも２枚
を、それらコードが互いに交差するように重ね合わせて
成るベルト層をトレッド幅一杯に配置し補強したタイヤ
であって、上記ベルト層はトレッドの主溝対応位置にお
いてトレッド側の層がカーカス側層に対し離間し、少な
くともその分上記トレッド側の層が径方向外側に隆起し
ていることを特徴とする空気入りタイヤ。1. A radial carcass comprising a pair of left and right annular bead portions, a fiber cord layer extending in a toroidal shape between the bead portions, and a plurality of radial carcass extending circumferentially at predetermined intervals in the crown portion of the carcass. A main groove and a tread including a land portion divided by these main grooves and both ends, and at least two layers of non-stretchable cords between the carcass and the tread are arranged at a shallow angle with respect to the equatorial plane of the tire. , A tire reinforced by arranging belt layers formed by overlapping them so that the cords cross each other, and the belt layer is a layer on the tread side with respect to the carcass side layer at a position corresponding to the main groove of the tread. A pneumatic tire, characterized in that the layers are separated from each other, and at least the layer on the tread side is protruded radially outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4043727A JPH05238206A (en) | 1992-02-28 | 1992-02-28 | Pneumatic tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4043727A JPH05238206A (en) | 1992-02-28 | 1992-02-28 | Pneumatic tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05238206A true JPH05238206A (en) | 1993-09-17 |
Family
ID=12671823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4043727A Pending JPH05238206A (en) | 1992-02-28 | 1992-02-28 | Pneumatic tire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05238206A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07101205A (en) * | 1993-10-04 | 1995-04-18 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| JPH08156519A (en) * | 1994-12-09 | 1996-06-18 | Bridgestone Corp | Pneumatic radial tire |
| JPH08318706A (en) * | 1994-12-09 | 1996-12-03 | Bridgestone Corp | Pneumatic radial tire |
| JPH09156313A (en) * | 1995-12-08 | 1997-06-17 | Bridgestone Corp | Pneumatic radial tire |
| FR2770458A1 (en) * | 1997-11-05 | 1999-05-07 | Michelin & Cie | SUMMIT FRAME FOR TIRE-HEAVY TIRE |
| JP2002337509A (en) * | 2001-05-18 | 2002-11-27 | Yokohama Rubber Co Ltd:The | Pneumatic radial tire |
| JP2007112306A (en) * | 2005-10-20 | 2007-05-10 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| JP2012040892A (en) * | 2010-08-12 | 2012-03-01 | Bridgestone Corp | Pneumatic tire |
| CN102555675A (en) * | 2010-12-28 | 2012-07-11 | 横滨橡胶株式会社 | Pneumatic tire and method of manufacturing pneumatic tire |
| JP2012148763A (en) * | 2010-12-28 | 2012-08-09 | Yokohama Rubber Co Ltd:The | Pneumatic tire and method for manufacturing the same |
| JP2013256221A (en) * | 2012-06-13 | 2013-12-26 | Toyo Tire & Rubber Co Ltd | Pneumatic tire |
-
1992
- 1992-02-28 JP JP4043727A patent/JPH05238206A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07101205A (en) * | 1993-10-04 | 1995-04-18 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| JPH08156519A (en) * | 1994-12-09 | 1996-06-18 | Bridgestone Corp | Pneumatic radial tire |
| JPH08318706A (en) * | 1994-12-09 | 1996-12-03 | Bridgestone Corp | Pneumatic radial tire |
| JPH09156313A (en) * | 1995-12-08 | 1997-06-17 | Bridgestone Corp | Pneumatic radial tire |
| FR2770458A1 (en) * | 1997-11-05 | 1999-05-07 | Michelin & Cie | SUMMIT FRAME FOR TIRE-HEAVY TIRE |
| WO1999024269A1 (en) * | 1997-11-05 | 1999-05-20 | Compagnie Generale Des Etablissements Michelin - Michelin & Cie | Crown ply reinforcement for heavy vehicle tyre |
| JP2002337509A (en) * | 2001-05-18 | 2002-11-27 | Yokohama Rubber Co Ltd:The | Pneumatic radial tire |
| JP4513232B2 (en) * | 2001-05-18 | 2010-07-28 | 横浜ゴム株式会社 | Pneumatic radial tire |
| JP2007112306A (en) * | 2005-10-20 | 2007-05-10 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| JP4736709B2 (en) * | 2005-10-20 | 2011-07-27 | 横浜ゴム株式会社 | Pneumatic tire |
| JP2012040892A (en) * | 2010-08-12 | 2012-03-01 | Bridgestone Corp | Pneumatic tire |
| CN102555675A (en) * | 2010-12-28 | 2012-07-11 | 横滨橡胶株式会社 | Pneumatic tire and method of manufacturing pneumatic tire |
| JP2012148763A (en) * | 2010-12-28 | 2012-08-09 | Yokohama Rubber Co Ltd:The | Pneumatic tire and method for manufacturing the same |
| US9156314B2 (en) | 2010-12-28 | 2015-10-13 | The Yokohama Rubber Co., Ltd. | Pneumatic tire and method of manufacturing pneumatic tire |
| JP2013256221A (en) * | 2012-06-13 | 2013-12-26 | Toyo Tire & Rubber Co Ltd | Pneumatic tire |
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