JPS6092904A - Pneumatic tire for large-sized car - Google Patents
Pneumatic tire for large-sized carInfo
- Publication number
- JPS6092904A JPS6092904A JP58203209A JP20320983A JPS6092904A JP S6092904 A JPS6092904 A JP S6092904A JP 58203209 A JP58203209 A JP 58203209A JP 20320983 A JP20320983 A JP 20320983A JP S6092904 A JPS6092904 A JP S6092904A
- Authority
- JP
- Japan
- Prior art keywords
- groove
- tire
- circumferential direction
- longitudinal
- blocks
- 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
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
- B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
- B60C11/042—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section
-
- 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
- B60C11/042—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section
- B60C11/045—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section the groove walls having a three-dimensional shape
-
- 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
- B60C11/042—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section
- B60C11/047—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section the groove bottom comprising stone trapping protection elements, e.g. ribs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、ウェットグリップ性能の低下を伴うことなく
、石噛みによる損傷を軽減した大型車用空気入りタイヤ
に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a pneumatic tire for large vehicles that reduces damage caused by stone bite without reducing wet grip performance.
一般に空気入りタイヤは、リブタイプ、ラグタイプ、リ
ブ・ラグタイプ、ブロックタイプおよびリブ・ブロック
タイプ等のトレッドパターンがその目的に応じて選択さ
れているが、特にトラック・バス等に用いる大型車用タ
イヤでは、耐ウエツトグリップ性、耐摩耗性等の観点か
らりブタイブ、リブラグタイプ、リブ・ブロックタイプ
のトレッドパターンのものが多用されている。Generally, pneumatic tires have tread patterns selected depending on the purpose, such as rib type, lug type, rib/lug type, block type, or rib/block type, but especially tires for large vehicles used for trucks and buses. From the viewpoint of wet grip resistance, abrasion resistance, etc., tread patterns of ribbed, ribbed, ribbed, and block type are often used.
タイヤ円周方向に延びる縦溝を具えたこの種のトレッド
パターンでは、縦溝内に石噛みがしばしば生じ、この石
噛み状態のまま走行すると縦溝底部を損傷し、この損傷
がベルト層あるいはカーカスまで達することがある。In this type of tread pattern, which has longitudinal grooves extending in the circumferential direction of the tire, stone engraving often occurs in the longitudinal grooves, and if the vehicle is driven with this stone encrustation, the bottom of the longitudinal grooves will be damaged, and this damage will cause damage to the belt layer or carcass. It can reach up to.
かかる問題点の一端を解決するものとして、縦溝を、接
地面側の巾の広い溝と、中挟の溝との２段溝形状にする
ことによって石噛みの発生を防止するものが提案されて
いるが、この方法では使用初期においては中の広い溝が
あるため、石噛みを防ぎうる一方、摩耗が進行し、巾の
広い溝が消失すると細溝のみが残ることとなり、ウェッ
トグリップ性が低下するという問題があった。As a solution to one aspect of this problem, it has been proposed to prevent the occurrence of stone entrainment by forming the vertical groove into a two-step groove shape, consisting of a wide groove on the ground contact side and a groove in the middle. However, in the initial stage of use, this method has a wide groove inside, which prevents stone from biting, but as wear progresses and the wide groove disappears, only narrow grooves remain, resulting in poor wet grip. There was a problem with the decline.
本発明は、このようなウェットグリップ性能の低下を防
止しつつ前記問題点を解決しうる大型車用空気入りタイ
ヤの提供を目的とし、本発明はタイヤ円周方向に設けた
少な（とも１本の縦溝を有し、該縦溝に、その両側の溝
壁からのびかつ上面がトレンド面よりも低いプロテクト
ブロックを円周方向に断続的に設けるとともに、両側の
溝壁のプロテクトブロック間には両者をタイヤ軸方向に
分離する細溝が形成されているトレッドパターンを具え
た大型車用空気入りタイヤである。The present invention aims to provide a pneumatic tire for large vehicles that can solve the above problems while preventing such deterioration of wet grip performance. In the vertical groove, protect blocks extending from the groove walls on both sides and whose upper surfaces are lower than the trend surface are disposed intermittently in the circumferential direction, and between the protect blocks on the groove walls on both sides. This pneumatic tire for large vehicles has a tread pattern in which narrow grooves are formed to separate the two in the axial direction of the tire.
以下本発明の一実施例を図面に基づき説明する。An embodiment of the present invention will be described below based on the drawings.
大型車用空気入りタイヤ１は、タイヤ周方向に延びる少
なくとも１本の縦溝２を有し、該縦溝２には、その溝壁
３．３からのびかっ細溝４によって分離されるプロテク
トブロック５−・−を断続的に設けている。縦溝２は、
本例では、細ａ４とともにジグザグ溝状をなし、又プロ
テクトブロック５には適宜の円周ピッチで切込み６が形
設される。A pneumatic tire 1 for a large vehicle has at least one longitudinal groove 2 extending in the circumferential direction of the tire, and the longitudinal groove 2 is provided with a protective block separated by a narrow groove 4 extending from the groove wall 3.3. 5-...- are provided intermittently. The vertical groove 2 is
In this example, the protect block 5 has a zigzag groove shape with a narrow a4, and cuts 6 are formed at appropriate circumferential pitches.
プロテクトブロック５は、縦溝２の溝底７から立上がり
かつ溝壁３と合体するとともに、溝壁３に沿って配設さ
れ、又各溝壁３の大隅部に設ける途切れ部８によって断
続する。又途切れ部８のタイヤ円周方向の間隙１２はプ
ロテクトブロック５の円周方向長さ１１の１０〜５０％
の範囲である。The protect block 5 rises from the bottom 7 of the vertical groove 2 and joins the groove wall 3, is disposed along the groove wall 3, and is interrupted by discontinuous portions 8 provided at the large corners of each groove wall 3. Also, the gap 12 in the tire circumferential direction at the discontinuous portion 8 is 10 to 50% of the circumferential length 11 of the protect block 5.
is within the range of
又プロテクトブロック５はその上面５ａがトレンド面Ｇ
よりも段差９を有して、該トレッド面Ｇよりも低く形成
されており、又段差の高さＨｌは、縦溝２の全深さＨの
通常２０％〜８０％の範囲に設定される。Also, the top surface 5a of the protect block 5 is the trend surface G.
It has a step 9 lower than the tread surface G, and the height Hl of the step is usually set in the range of 20% to 80% of the total depth H of the longitudinal groove 2. .
なお、プロテクトブロック５の上面５ａは、トレッド面
Ｇと平行の場合の他、トレッド中方向あるいはタイヤ円
周方向に変化させてもよく、例えば第４図に示すごとく
、溝壁３から細溝４方向に高く形成することも、又第５
図に示すように、溝壁３から細溝４方向に低くなるごと
く構成するのもよい。In addition, the upper surface 5a of the protect block 5 may be parallel to the tread surface G, or may be changed in the direction of the tread or in the circumferential direction of the tire, for example, as shown in FIG. It is also possible to form the fifth
As shown in the figure, it is also preferable to configure the groove wall 3 to become lower in the direction of the narrow groove 4.
プロテクトブロック５間をタイヤ軸方向に分離する前記
細溝４はその溝幅Ｗ１を、縦溝２の溝巾Ｗの５％〜５０
％の範囲とし、排水性を確保する。The narrow groove 4 that separates the protect blocks 5 in the tire axial direction has a groove width W1 of 5% to 50% of the groove width W of the longitudinal groove 2.
% range to ensure drainage.
また細溝４のタイヤ円周方向のジグザグ角度α２は、縦
溝２のジグザグ角度αｌよりも小さくすることにより、
縦４２消失後のウェットグリップ性の低下を防止してい
る。In addition, by making the zigzag angle α2 of the narrow groove 4 in the tire circumferential direction smaller than the zigzag angle αl of the longitudinal groove 2,
This prevents deterioration of wet grip properties after the vertical 42 disappears.
更にプロテクトブロック５の表面に設けた切込み６は、
略トレッドｒＪＪ方向にのび、該切込み６は、縦溝２が
消失しプロテクトブロック５の表面が接地するようにな
ったとき、排水効果を高めるもので、その１１ｊは通常
２＋ｎ以下とし、その深さは細溝４の深さと同程度とす
る。Furthermore, the notch 6 provided on the surface of the protect block 5 is
The cut 6, which extends approximately in the tread rJJ direction, enhances the drainage effect when the vertical groove 2 disappears and the surface of the protect block 5 comes into contact with the ground. is approximately the same as the depth of the narrow groove 4.
然してトレッド部の摩耗が進行し、縦溝２の広巾部分が
消失した場合、細溝４がトレッド表面に現れ、ｉｌＪが
急激に狭くなる。しかしプロテクトブロック５間には前
記範囲の間隙１２の途切れ部８を設けているため、この
間隙！２が縦溝２の消失後において、横溝として機能す
ることとなり、ウェットグリップ性が維持できる。従っ
て、前記間隙１２が、プロテクトブロック５の長さＥｌ
の１０％より小さいとウェットグリップ性が充分でなく
、他方５０％を越えるとプロテクトブロック５の周方向
端部５ｂにおいて、偏摩耗が生ずることとなり好ましく
ない。However, when the wear of the tread progresses and the wide portions of the vertical grooves 2 disappear, narrow grooves 4 appear on the tread surface, and ilJ sharply narrows. However, since the discontinuation part 8 of the gap 12 in the range described above is provided between the protect blocks 5, this gap! 2 function as horizontal grooves after the vertical grooves 2 disappear, and wet grip properties can be maintained. Therefore, the gap 12 is the length El of the protect block 5.
If it is less than 10%, the wet grip property will not be sufficient, while if it exceeds 50%, uneven wear will occur at the circumferential end portion 5b of the protect block 5, which is not preferable.
又プロテクトブロック５によって石噛みが生じても石が
溝底に達して損傷が生ずることがなく、しかも上げ底と
なっているため噛み込んだ石を容易に離脱しうる。Furthermore, even if a stone gets caught in the protect block 5, the stone will not reach the bottom of the groove and cause damage, and since the bottom is raised, the stuck stone can be easily removed.
又プロテクトブロック５は、縦ｎ２．２間のリブｌＯに
荷重が作用したとき、転勤接地域の動きを阻止し、リブ
１０の偏摩耗を防止するのにも役立つ。Furthermore, the protect block 5 prevents movement of the transfer contact area when a load is applied to the rib 10 between the longitudinal n2.2, and also serves to prevent uneven wear of the rib 10.
叙上のごとく本発明は、縦溝の両側の溝壁に周方向にの
びる断続的なプロテクトブロックを形成したため、走行
時の石噛みが有効に抑制できしかも所定量のトレッド部
摩耗の進行し縦溝が消失した後においてもウェットグリ
ップ性の低下を防ぐなど多くの効果を奏しうる。As described above, the present invention forms intermittent protection blocks extending circumferentially on the groove walls on both sides of the longitudinal groove, so that it is possible to effectively suppress stone engraving during running, and also prevent the progression of a predetermined amount of tread wear. Even after the grooves disappear, many effects can be achieved, such as preventing deterioration of wet grip properties.
実施例
本発明の効果をｆ！認するため、タイヤサイズ１０．０
０ Ｒ２０のスチールラジアルタイヤで、第１〜３図に
示すものを実施例として、また比較例として第１図と同
じパターンでプロテクトブロック５のみがないものにつ
いて夫々試作した。なお試作タイヤの仕様は第１表の通
りである。Example The effect of the present invention is f! To confirm, tire size 10.0
0 R20 steel radial tires shown in FIGS. 1 to 3 were experimentally manufactured as examples, and as comparative examples, tires with the same pattern as in FIG. 1 but without the protective block 5 were manufactured. The specifications of the prototype tire are shown in Table 1.
第１表
前記試作タイヤを非舗装路面を荷重２７００ｋｇ、速度
５０〜７０ｋｍ／ｈ、内圧７．２５ ｋｇ／ｃ（で走行
し、走行距離と石噛み個数との関係及び溝底の破傷率を
測定した。走行距離と石噛み個数の関係は第６図に示す
ごとく、実施例では石噛みがほとんどないことが判る。Table 1 The prototype tire was run on an unpaved road with a load of 2700 kg, a speed of 50 to 70 km/h, and an internal pressure of 7.25 kg/c (the relationship between the distance traveled and the number of stones caught, and the rate of damage to the groove bottom). The relationship between the running distance and the number of stones caught is shown in Fig. 6, and it can be seen that there are almost no stones caught in the example.
また溝底の破傷率は石噛みによって溝底に傷をうける割
合であり、実施例が大巾に改善されていることが認めら
れる。Furthermore, the damage rate of the groove bottom is the rate of damage to the groove bottom due to stone bite, and it is recognized that the example is significantly improved.
第１図は本発明の一実施例を示すトレンドの部分展開図
、第２図はその縦溝の部分拡大図、第３図、第４ＦｇＪ
及び第５図は第２図のＡ−Ａ断面図、第６図は走行距離
と石噛個数の関係を示すグラフである。
２−縦溝、 ３−・−溝壁、 ４−細溝、５−・プロテ
クトブロック、 ６−・−切込み、９・−・段差、 １
１−プロテクトブロックの長さ、１２−・・間隙。
特許出願人 住友ゴム工業株式会社
代理人 弁理士 苗 村 正
！４１］層化ｖ都Fig. 1 is a partially developed view of a trend showing an embodiment of the present invention, Fig. 2 is a partially enlarged view of its vertical groove, Figs. 3 and 4FgJ
5 is a sectional view taken along the line AA in FIG. 2, and FIG. 6 is a graph showing the relationship between travel distance and the number of stones caught. 2-Vertical groove, 3--groove wall, 4-thin groove, 5--protect block, 6--cut, 9--step, 1
1- length of protection block, 12-... gap. Patent applicant Sumitomo Rubber Industries Co., Ltd. agent Patent attorney Tadashi Naemura! 41] Stratification v capital
Claims (1)
を有し、該縦溝に、その両側の溝壁からのびかつ上面が
トレッド面よりも低いプロテクトブロックを断続的に設
けるとともに、両側の溝壁のプロテクトブロック間には
両者を分離する細溝が形成されているトレッドパターン
を具えた大型車用空気入りタイヤ。 （２） プロテクトブロックを断続させる間隙は、プロ
テクトブロックの周方向の長さの１０〜５０％の範囲で
ある特許請求の範囲第１項記載の大型車用空気入りタイ
ヤ。 （３） 前記縦溝と細溝ばジグザグ状をなし、かつ細溝
のタイヤ円周方向に対するジグザグ角度が縦溝のタイヤ
円周方向に対するジグザグ角度よりも小さく形成されて
いる特許請求の範囲第１項又は第２項記載の大型車用空
気入りタイヤ。 （４）プロテクトブロックは、その上面にトレッド巾方
向の切りこみを具えた特許請求の範囲第１項、第２項、
又は第３項記載の大型車用空気入りタイヤ。[Scope of Claims] 11) The tire has at least one longitudinal groove provided in the circumferential direction, and in the longitudinal groove, protection blocks extending from the groove walls on both sides and whose upper surfaces are lower than the tread surface are provided intermittently. This pneumatic tire for large vehicles has a tread pattern in which a narrow groove is formed between protective blocks on both side groove walls to separate them. (2) The pneumatic tire for a large vehicle according to claim 1, wherein the gap between the protect blocks is in the range of 10 to 50% of the circumferential length of the protect blocks. (3) The longitudinal groove and the narrow groove have a zigzag shape, and the zigzag angle of the narrow groove with respect to the tire circumferential direction is smaller than the zigzag angle of the longitudinal groove with respect to the tire circumferential direction. The pneumatic tire for large vehicles as described in item 1 or 2. (4) The protection block is provided with a cut in the tread width direction on its upper surface.
Or the pneumatic tire for large vehicles as described in item 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58203209A JPS6092904A (en) | 1983-10-27 | 1983-10-27 | Pneumatic tire for large-sized car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58203209A JPS6092904A (en) | 1983-10-27 | 1983-10-27 | Pneumatic tire for large-sized car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6092904A true JPS6092904A (en) | 1985-05-24 |
| JPH0440206B2 JPH0440206B2 (en) | 1992-07-02 |
Family
ID=16470268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58203209A Granted JPS6092904A (en) | 1983-10-27 | 1983-10-27 | Pneumatic tire for large-sized car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6092904A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61166708A (en) * | 1985-01-19 | 1986-07-28 | Toyo Tire & Rubber Co Ltd | Pneumatic tire |
| JPS61181704A (en) * | 1985-02-07 | 1986-08-14 | Toyo Tire & Rubber Co Ltd | Automobile pneumatic tire |
| JPS61291203A (en) * | 1985-06-20 | 1986-12-22 | Bridgestone Corp | Tread pattern preventing from sinking of stone |
| JPS62231803A (en) * | 1985-11-30 | 1987-10-12 | Sumitomo Rubber Ind Ltd | Heavy duty pneumatic tire |
| EP0242487A1 (en) * | 1985-09-17 | 1987-10-28 | Sumitomo Rubber Industries Limited | Pneumatic tire for heavy vehicles |
| JPS63297108A (en) * | 1987-05-28 | 1988-12-05 | Sumitomo Rubber Ind Ltd | Pneumatic tire for heavy load vehicle |
| US4955415A (en) * | 1985-09-10 | 1990-09-11 | Sumitomo Rubber Industries, Ltd. | Pneumatic radial tire with groove platforms to prevent stone entrapment |
| US5442899A (en) * | 1992-07-10 | 1995-08-22 | Strapack Corporation | Band charging apparatus for packing machine |
| US5492161A (en) * | 1985-01-19 | 1996-02-20 | Toyo Tire & Rubber Company, Limited | Pneumatic tire with groove steps having sipes |
| KR100462208B1 (en) * | 2000-06-30 | 2004-12-16 | 한국타이어 주식회사 | Pneumatic Vehicle Tire |
| JP2009292343A (en) * | 2008-06-05 | 2009-12-17 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| JP2013060191A (en) * | 2011-09-13 | 2013-04-04 | Goodyear Tire & Rubber Co:The | Commercial truck steering tire tread |
| CN104691243A (en) * | 2013-12-06 | 2015-06-10 | 东洋橡胶工业株式会社 | Pneumatic tire |
| JP2016199073A (en) * | 2015-04-07 | 2016-12-01 | 横浜ゴム株式会社 | Pneumatic tire |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6122259B2 (en) * | 2012-07-04 | 2017-04-26 | 株式会社ブリヂストン | tire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5594802A (en) * | 1978-12-22 | 1980-07-18 | Pirelli | Tire |
| JPS57209405A (en) * | 1981-06-12 | 1982-12-22 | Dunlop Co Ltd | Tread for tire |
| JPS6068803U (en) * | 1983-10-19 | 1985-05-16 | 住友ゴム工業株式会社 | Heavy load tires |
-
1983
- 1983-10-27 JP JP58203209A patent/JPS6092904A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5594802A (en) * | 1978-12-22 | 1980-07-18 | Pirelli | Tire |
| JPS57209405A (en) * | 1981-06-12 | 1982-12-22 | Dunlop Co Ltd | Tread for tire |
| JPS6068803U (en) * | 1983-10-19 | 1985-05-16 | 住友ゴム工業株式会社 | Heavy load tires |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61166708A (en) * | 1985-01-19 | 1986-07-28 | Toyo Tire & Rubber Co Ltd | Pneumatic tire |
| US5492161A (en) * | 1985-01-19 | 1996-02-20 | Toyo Tire & Rubber Company, Limited | Pneumatic tire with groove steps having sipes |
| JPS61181704A (en) * | 1985-02-07 | 1986-08-14 | Toyo Tire & Rubber Co Ltd | Automobile pneumatic tire |
| JPS61291203A (en) * | 1985-06-20 | 1986-12-22 | Bridgestone Corp | Tread pattern preventing from sinking of stone |
| US4955415A (en) * | 1985-09-10 | 1990-09-11 | Sumitomo Rubber Industries, Ltd. | Pneumatic radial tire with groove platforms to prevent stone entrapment |
| EP0242487A1 (en) * | 1985-09-17 | 1987-10-28 | Sumitomo Rubber Industries Limited | Pneumatic tire for heavy vehicles |
| JPS62231803A (en) * | 1985-11-30 | 1987-10-12 | Sumitomo Rubber Ind Ltd | Heavy duty pneumatic tire |
| JPS63297108A (en) * | 1987-05-28 | 1988-12-05 | Sumitomo Rubber Ind Ltd | Pneumatic tire for heavy load vehicle |
| US5442899A (en) * | 1992-07-10 | 1995-08-22 | Strapack Corporation | Band charging apparatus for packing machine |
| KR100462208B1 (en) * | 2000-06-30 | 2004-12-16 | 한국타이어 주식회사 | Pneumatic Vehicle Tire |
| JP2009292343A (en) * | 2008-06-05 | 2009-12-17 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| JP2013060191A (en) * | 2011-09-13 | 2013-04-04 | Goodyear Tire & Rubber Co:The | Commercial truck steering tire tread |
| CN104691243A (en) * | 2013-12-06 | 2015-06-10 | 东洋橡胶工业株式会社 | Pneumatic tire |
| US10195909B2 (en) | 2013-12-06 | 2019-02-05 | Toyo Tire & Rubber Co., Ltd. | Pneumatic tire |
| JP2016199073A (en) * | 2015-04-07 | 2016-12-01 | 横浜ゴム株式会社 | Pneumatic tire |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0440206B2 (en) | 1992-07-02 |
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