WO2014185121A1 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
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- WO2014185121A1 WO2014185121A1 PCT/JP2014/054898 JP2014054898W WO2014185121A1 WO 2014185121 A1 WO2014185121 A1 WO 2014185121A1 JP 2014054898 W JP2014054898 W JP 2014054898W WO 2014185121 A1 WO2014185121 A1 WO 2014185121A1
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- WIPO (PCT)
- Prior art keywords
- groove
- crown
- tire
- tread
- main
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- 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
- B60C11/0327—Tread patterns characterised by special properties of the tread pattern
-
- 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
- B60C11/0309—Patterns comprising block rows or discontinuous ribs 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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1236—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern
-
- 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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
-
- 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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1272—Width of the sipe
-
- 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
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0346—Circumferential grooves with zigzag 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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0348—Narrow grooves, i.e. having a width of less than 4 mm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0353—Circumferential grooves characterised by width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0355—Circumferential grooves characterised by depth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0358—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
- B60C2011/036—Narrow grooves, i.e. having a width of less than 3 mm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0358—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
- B60C2011/0365—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0358—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
- B60C2011/0367—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by depth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0386—Continuous ribs
- B60C2011/0388—Continuous ribs provided at the equatorial plane
-
- 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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
- B60C2011/1209—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe straight at the tread surface
Definitions
- the present invention relates to a pneumatic tire in which a plurality of main grooves extending continuously in the tire circumferential direction are provided in a tread portion.
- a pneumatic tire has been proposed in which a tread pattern in which a plurality of main grooves extending continuously in the tire circumferential direction is provided in the tread portion is employed (for example, see Patent Document 1 below).
- the tread portion includes a tread rubber formed by a cap rubber layer and a base rubber layer.
- the cap rubber layer and the base rubber layer are restricted in thickness in order to achieve both wear resistance and rolling performance.
- tire performance display has been implemented in the market.
- the tire performance includes, for example, rolling performance, low noise performance, wet performance, wear resistance performance, etc., and improvement of these performances is strongly desired.
- the present invention has been made in view of the above circumstances, and mainly provides a pneumatic tire capable of improving rolling performance, low noise performance, and wear resistance performance in a well-balanced manner while maintaining wet performance. It is aimed.
- a plurality of main grooves extending continuously in the tire circumferential direction are provided in the tread portion, so that a plurality of land portions are divided between the main grooves or between the main grooves and the tread ends.
- at least one of the land portions is provided with a sipe extending from the main groove, and at least one of the main grooves has a first groove in a cross section perpendicular to the longitudinal direction of the groove.
- a bottom and a pair of first groove walls extending smoothly from the first groove bottom to the tread surface, and a groove width W1 between the first groove walls is 2.0 to 20.0 mm on the tread surface.
- the groove depth D from the tread tread surface to the first groove bottom is 10.0 mm or more, and the first groove wall has an angle ⁇ (degrees) with respect to the normal direction of the tread tread and the groove width.
- the ratio (W1 / ⁇ ) to W1 (mm) is 1.0 to 2.0 (mm / degree) Characterized in that it is in the range of.
- the main groove extends in a zigzag shape in the tire circumferential direction.
- the at least one land portion is provided with a plurality of transverse grooves that cross the land portion, and the transverse groove has a second groove bottom in a cross section orthogonal to the longitudinal direction of the groove. And a pair of second groove walls extending from the second groove bottom to the tread surface, and in the tread surface, a groove width W2 between the second groove walls is 1.0 to 12.0 mm,
- the second groove wall preferably has an angle ⁇ of 0 to 20 degrees with respect to the normal direction of the tread surface.
- the main groove includes a pair of crown main grooves extending on both sides of the tire equator and a pair of shoulder main grooves extending outward in the tire axial direction of the crown main groove.
- the groove width W1S of the main groove is preferably larger than the groove width W1C of the crown main groove.
- the range of the groove width W1 and the groove depth D of the main groove is restricted, and further, the range of the angle ⁇ of the first groove wall is restricted.
- the first groove walls of the main groove can come into contact with each other by deformation of the tread portion of the load. That is, on the tread tread side, adjacent land portions across the main groove are in contact with each other, and the apparent rigidity of the tread portion is temporarily improved. Therefore, the deformation of the tread portion after the first groove walls of the main groove are in contact with each other is suppressed, the energy loss of the tire is reduced, and the rolling performance is improved. Further, since the rigidity on the tread tread surface side is increased, the amount of slip on the road surface of the land portion is reduced at the time of ground contact, and the wear resistance performance is improved.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG. It is a fragmentary sectional view of the tread part explaining modification in the grounding surface of the main groove of Drawing 2.
- FIG. 3 is a cross-sectional view taken along the line BB in FIG.
- FIG. 2 is a partially enlarged view near the tire equator of FIG. 1. It is the elements on larger scale near the closed main groove.
- FIG. 1 shows a development view of a tread portion 2 of a pneumatic tire (hereinafter sometimes simply referred to as “tire”) 1.
- tire a tire for heavy loads is shown as the tire 1.
- the tire 1 includes various categories such as for passenger cars.
- FIG. 2 shows a cross-sectional view perpendicular to the longitudinal direction of the main groove 3 as a cross-sectional view taken along line AA in FIG.
- the main groove 3 has a first groove bottom 3A and a pair of first groove walls 3B extending smoothly from the first groove bottom 3A to the tread surface S.
- the first groove wall 3B is inclined in such a direction that the groove width gradually increases toward the tread surface S.
- the groove width W1S of the shoulder main groove 5 is desirably larger than, for example, the groove width W1C of the crown main groove 4 according to the profile of the tread surface S.
- the groove width W1C of the crown main groove 4 is preferably, for example, 2.0 to 10.0 mm.
- the groove width W1S of the shoulder main groove 5 is preferably 10.0 to 20.0 mm, for example. According to such a configuration of the main groove 3, different drainage performance is improved in a well-balanced manner due to the difference in contact pressure, and the rolling performance, wear resistance performance and noise resistance performance are more effectively exhibited while maintaining wet performance. can do.
- the lateral groove 20 has a second groove bottom 20A and a pair of second groove walls 20B, 20B extending smoothly from the second groove bottom 20A to the tread surface S.
- the groove width W2 of the lateral groove 20, which is the distance between the second groove walls 20B, is preferably, for example, 1.0 to 12.0 mm.
- FIG. 5 shows a partially enlarged view of the vicinity of the tire equator C in FIG.
- the crown land portion 8 of the present embodiment is not provided with a lateral groove.
- the crown land portion 8 is a rib-shaped crown rib 8A continuous in the tire circumferential direction.
- the rib edge 8B of the crown rib 8A includes, for example, a protruding corner 25 extending along the tire circumferential direction on the outermost side in the tire axial direction, and an entering corner 26 extending along the tire circumferential direction on the most tire equator C side. And an inclined portion 27 connecting between the two.
- the protruding corner portion 25 and the entering corner portion 26 locally increase the groove width W1C of the crown main groove 4.
- the protruding corner portion 25 and the entering corner portion 26 form a drainage channel along the tire circumferential direction on the groove bottom 4A side of the crown main groove 4 when the tread tread surface S side of the crown main groove 4 is closed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
図1には、空気入りタイヤ(以下、単に「タイヤ」と記載される場合がある)1のトレッド部2の展開図が示されている。タイヤ1として、本実施形態では、重荷重用のタイヤが示されている。タイヤ1は、例えば、乗用車用など、種々のカテゴリーのものを含んでいる。
各テスト方法は次の通りである。
各試供タイヤの転がり抵抗が、転がり抵抗試験機にて測定された。詳細な条件は下記の通りである。結果は、転がり抵抗の逆数であり、「実施例1」の値を100とする指数で示される。数値が大きい程、転がり性能に優れる。
リム:22.5×9.00
内圧:850kPa
縦荷重:33.34kN
速度:80km/h
ECE-R117-02に規定するタイヤ単体騒音試験法に準拠して、中心速度70km/hで走行した時の各試供タイヤの通過騒音レベルが測定された。結果は、通過騒音レベルの逆数であり、「実施例1」の値を100とする指数で示される。数値が大きい程、低ノイズ性能に優れる。
各試供タイヤをテスト車両に装着し、ロードテストが実施され、パターン溝深さの単位減少量あたりの走行距離(例えば、減少量1mmあたりの走行距離km)が算出された。詳細な条件は下記の通りである。結果は、「実施例1」の値を100とする指数で示される。数値が大きい程、耐摩耗性能に優れる。
リム:22.5×9.00
内圧:830kPa
荷重:36.77kN
走行路面:舗装路
走行距離:10~30万km
各試供タイヤが全輪に装着されたテスト車両を、ウエット路面において、2速-1500rpm固定で走行させ、クラッチを繋いだ瞬間から10mを通過するまでの通過タイムが測定された。詳細な条件は下記の通りである。結果は、通過タイムの逆数であり、「実施例1」の値を100とする指数で示される。数値が大きい程、ウエット性能に優れる。
リム:22.5×9.00
内圧:850kPa
テスト車両:10t積みトラック(2-D車)
荷重:半積前荷重
路面:5mmの水膜を有するウエットアスファルト路
2 トレッド部
3 主溝
3A 第1溝底
3B 第1溝壁
7 陸部
11 サイプ
S トレッド踏面
C タイヤ赤道
Claims (8)
- トレッド部に、タイヤ周方向に連続してのびる複数本の主溝が設けられることにより、前記主溝間又は前記主溝とトレッド端との間に陸部が複数区分された空気入りタイヤであって、
少なくとも1つの前記陸部には、前記主溝からのびるサイプが設けられ、
前記主溝のうちの少なくとも1本は、溝の長手方向と直交する横断面において、第1溝底と、前記第1溝底からトレッド踏面へと滑らかにのびる一対の第1溝壁とを有し、
前記トレッド踏面において、前記第1溝壁間の溝幅W1が2.0~20.0mmであり、
前記トレッド踏面から前記第1溝底までの溝深さDが10.0mm以上であり、
前記第1溝壁は、前記トレッド踏面の法線方向に対する角度α(度)と前記溝幅W1(mm)との比(W1/α)が、1.0~2.0(mm/度)の範囲であることを特徴とする空気入りタイヤ。 - 前記主溝は、タイヤ周方向にジグザグ状にのびている請求項1に記載の空気入りタイヤ。
- 少なくとも1つの前記陸部には、該陸部を横切る複数の横溝が設けられ、
前記横溝は、溝の長手方向と直交する横断面において、第2溝底と、前記第2溝底からトレッド踏面へとのびる一対の第2溝壁とを有し、
前記トレッド踏面において、前記第2溝壁間の溝幅W2が1.0~12.0mmであり、
前記第2溝壁は、前記トレッド踏面の法線方向に対する角度βが0~20度である請求項1又は2記載の空気入りタイヤ。 - 前記比(W1/α)は、1.3~1.8(mm/度)の範囲である請求項1乃至3のいずれかに記載の空気入りタイヤ。
- 前記サイプの幅は、0.5~1.5mmである請求項1乃至4のいずれかに記載の空気入りタイヤ。
- 前記主溝は、タイヤ赤道の両側をのびる一対のクラウン主溝と、前記クラウン主溝のタイヤ軸方向外側をのびる一対のショルダー主溝とを含み、
前記ショルダー主溝の溝幅W1Sは、前記クラウン主溝の溝幅W1Cより大きい請求項1乃至5のいずれかに記載の空気入りタイヤ。 - 前記トレッド部は、前記一対のクラウン主溝の間に区分され、かつ、タイヤ周方向に連続するクラウンリブを含み、
前記クラウンリブは、タイヤ赤道側の前記第1溝壁に連なるリブ縁に、最もタイヤ軸方向外側でタイヤ周方向に沿ってのびる出隅部と、最もタイヤ赤道側でタイヤ周方向に沿ってのびる入隅部とを含んでいる請求項6記載の空気入りタイヤ。 - 前記クラウンリブは、一対のクラウン主溝間を連通する複数のクラウンサイプを含み、
前記クラウンサイプは、タイヤ軸方向に対して一方側に傾斜し、かつ、前記クラウンリブのリブ縁のタイヤ赤道の一方側と他方側の前記出隅部の間をつなぐ第1クラウンサイプと、タイヤ赤道の一方側と他方側の前記入隅部の間をつなぐ第2クラウンサイプとを含んでいる請求項7記載の空気入りタイヤ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015516960A JP6130911B2 (ja) | 2013-05-13 | 2014-02-27 | 空気入りタイヤ |
US14/786,385 US10471778B2 (en) | 2013-05-13 | 2014-02-27 | Pneumatic tire |
EP14797700.3A EP2990234B1 (en) | 2013-05-13 | 2014-02-27 | Pneumatic tire |
CN201480024139.8A CN105189146B (zh) | 2013-05-13 | 2014-02-27 | 充气轮胎 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-101508 | 2013-05-13 | ||
JP2013101508 | 2013-05-13 |
Publications (1)
Publication Number | Publication Date |
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WO2014185121A1 true WO2014185121A1 (ja) | 2014-11-20 |
Family
ID=51898107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2014/054898 WO2014185121A1 (ja) | 2013-05-13 | 2014-02-27 | 空気入りタイヤ |
Country Status (5)
Country | Link |
---|---|
US (1) | US10471778B2 (ja) |
EP (1) | EP2990234B1 (ja) |
JP (2) | JP6130911B2 (ja) |
CN (1) | CN105189146B (ja) |
WO (1) | WO2014185121A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160263946A1 (en) * | 2013-11-05 | 2016-09-15 | Compagnie Generale Des Etablissements Michelin | Tread comprising a block having a plurality of sipes |
JP2018086994A (ja) * | 2016-11-22 | 2018-06-07 | 住友ゴム工業株式会社 | タイヤ |
WO2020137827A1 (ja) * | 2018-12-27 | 2020-07-02 | 株式会社ブリヂストン | タイヤ |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6527758B2 (ja) * | 2015-06-13 | 2019-06-05 | 株式会社ブリヂストン | 空気入りタイヤ |
USD811992S1 (en) * | 2016-05-18 | 2018-03-06 | Compagnie Generale Des Etablissements Michelin | Tire tread |
CA175882S (en) * | 2017-01-16 | 2018-02-20 | Hankook Tire Co Ltd | Tire |
JP6907683B2 (ja) * | 2017-05-09 | 2021-07-21 | 住友ゴム工業株式会社 | タイヤ |
JP6933119B2 (ja) * | 2017-12-13 | 2021-09-08 | 住友ゴム工業株式会社 | タイヤ |
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Also Published As
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US10471778B2 (en) | 2019-11-12 |
EP2990234A4 (en) | 2016-12-28 |
EP2990234B1 (en) | 2018-09-19 |
JP6130911B2 (ja) | 2017-05-17 |
CN105189146B (zh) | 2017-09-22 |
JP2017165406A (ja) | 2017-09-21 |
US20160082779A1 (en) | 2016-03-24 |
EP2990234A1 (en) | 2016-03-02 |
CN105189146A (zh) | 2015-12-23 |
JPWO2014185121A1 (ja) | 2017-02-23 |
JP6378799B2 (ja) | 2018-08-22 |
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