WO2009130936A1 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- WO2009130936A1 WO2009130936A1 PCT/JP2009/052854 JP2009052854W WO2009130936A1 WO 2009130936 A1 WO2009130936 A1 WO 2009130936A1 JP 2009052854 W JP2009052854 W JP 2009052854W WO 2009130936 A1 WO2009130936 A1 WO 2009130936A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- groove
- tire
- land portion
- circumferential direction
- sub
- Prior art date
Links
Images
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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
-
- 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
- B60C2011/0381—Blind or isolated grooves
-
- 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
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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
- B60C11/12—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
- B60C2011/1213—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe sinusoidal or zigzag at the tread surface
Definitions
- the present invention relates to an all-season or mud & snow-based pneumatic tire, and more particularly to a pneumatic tire that can ensure good snow performance while improving steering stability on a wet road surface. .
- An object of the present invention is to provide a pneumatic tire that can ensure good snow performance while improving steering stability on a wet road surface.
- the pneumatic tire of the present invention is provided with a pair of first main grooves extending in the tire circumferential direction on both sides of the tire equator line in the tread portion, and the center position of each first main groove and the tire equator line.
- the distance between the first main groove and the first land portion is defined as 8% to 20% of the ground contact width W, and a plurality of pieces each having a curved shape are formed on both edges of the first land portion.
- Sub grooves are formed at intervals in the tire circumferential direction, one end of each sub groove is opened in the first main groove, and the other end is terminated in the first land portion, and the tire equator of the first land portion
- a rib portion continuously extending in the tire circumferential direction is formed at a portion on the line, and the length L of the center line of each sub groove is 1.1 ⁇ with respect to the pitch length P of the sub groove in the tire circumferential direction. It is characterized by having a relationship of P ⁇ L ⁇ 2.0 ⁇ P.
- the drainage performance based on the first main groove is ensured while ensuring the rigidity of the first land portion located on the tire equator line.
- a plurality of sub-grooves having a curved shape are formed on both edges of the first land portion, and one end of each sub-groove is opened in the first main groove while the other end is terminated in the first land portion, By forming a rib portion extending continuously in the tire circumferential direction at a site on the tire equator line of the first land portion, a decrease in rigidity of the first land portion is avoided.
- the center while avoiding a decrease in rigidity of the first land portion. Sufficient groove component in the region is secured. This makes it possible to ensure good snow performance (including snow traction performance and snow braking performance) while improving steering stability on wet road surfaces.
- a sipe between the sub-groove and the first main groove in the first land portion. More specifically, it is preferable to provide a plurality of sipes extending in the tire width direction between the sub-groove and the first main groove in the first land portion.
- a second main groove extending in the tire circumferential direction is provided outside the first main groove, a second land portion is defined between the first main groove and the second main groove, and the width of the second land portion is grounded.
- the width W is preferably 10% to 30%
- the second land portion is preferably composed of a plurality of blocks partitioned by a plurality of lug grooves extending in the tire width direction.
- a third land portion is disposed outside the second main groove, and the third land portion has a rib structure extending continuously in the tire circumferential direction.
- a narrow groove extending in the tire circumferential direction is provided outside the third land portion, and a see-through portion in which the groove space is continuous in the tire circumferential direction at a fixed position in the tire width direction is formed in the narrow groove.
- a shoulder land portion is disposed outside the narrow groove, and a plurality of lug grooves extending in the tire width direction and communicating with the narrow groove and the ground contact end are formed at intervals in the tire circumferential direction. It is preferable to set the inclination angle with respect to the tire circumferential direction at the contact end of the lug groove to 85 ° to 95 °. Thereby, snow performance can be improved.
- the contact width refers to a standard (for example, JATMA, TRA, ETRTO, or Chinese GB standard) on which a tire has an internal pressure of 200 kPa and is arranged on a flat surface so that the tread portion contacts the ground. Is the maximum dimension in the tire axial direction of the ground contact area formed when a load of 85% of the load capacity at an internal pressure of 200 kPa defined for each tire is applied.
- the main groove means a groove having a groove width of 6.0 mm to 18.0 mm and a groove depth of 6.0 mm to 16.0 mm.
- the narrow groove means a groove having a groove width of 2.0 mm to 4.0 mm. It means a groove having a depth of 2.0 mm to 12.0 mm.
- the groove width and groove depth are not particularly limited, but it is desirable to adopt a groove width and groove depth smaller than the main groove.
- FIG. 1 is a development view showing a tread pattern of a pneumatic tire according to an embodiment of the present invention.
- FIG. 2 is an enlarged view showing a main part of the tread pattern of FIG.
- FIG. 1 is a development view showing a tread pattern of a pneumatic tire according to an embodiment of the present invention.
- FIG. 2 is an enlarged view showing a main part of FIG.
- a pair of main grooves 11 and 11 (first main grooves) extending in the tire circumferential direction are formed on both sides of the tire equator line CL in the tread portion 1.
- the distance D11 between the center position of each main groove 11 and the tire equator line CL is set to 8% to 20% of the ground contact width W.
- a land portion 12 (first land portion) is defined between the main grooves 11 and 11.
- a plurality of sub-grooves 13 each having a curved shape are formed at both edges of the land portion 12 at intervals in the tire circumferential direction.
- Each sub-groove 13 has a structure in which one end is opened in the main groove 11 and the other end is terminated in the land portion 12. More specifically, at one edge (left side in the figure) of the land portion 12, the sub-groove 13 bends from one way to the other in the tire circumferential direction (upper side in the figure), and the other of the land portions 12 (right side in the figure). The sub-groove 13 is bent from the middle to the other side in the tire circumferential direction (lower side in the figure).
- These sub-grooves 13 are composed of a base end portion 13a on the open end side and a tip end portion 13b on the closed end side (see FIG. 2).
- the inclination directions of the proximal end portion 13a and the distal end portion 13b with respect to the tire circumferential direction are opposite to each other, and the inclination angle of the proximal end portion 13a with respect to the tire circumferential direction is set in a range of 45 ° to 90 °.
- the inclination angle with respect to the tire circumferential direction is set in the range of 20 ° to 70 °.
- the sub-grooves 13 are disposed on both edges of the land portion 12, rib portions 12a that continuously extend in the tire circumferential direction are formed on the land portion 12 on the tire equator line CL. Yes.
- the length L of the center line of each sub-groove 13 is 1.1 ⁇ P ⁇ L ⁇ 2.0 ⁇ P with respect to the pitch length P of the sub-groove 13 in the tire circumferential direction. It is in a relationship.
- the land portion 12 partitioned by the pair of main grooves 11 is provided in the tread portion 1, and a plurality of sub grooves 13 are provided in the land portion 12, thereby improving steering stability on a wet road surface. It becomes possible to ensure good snow performance.
- the position of the main groove 11 it is possible to ensure drainage performance based on the main groove 11 while ensuring the rigidity of the land portion 12 located on the tire equator line CL.
- the rigidity of the land portion 12 is insufficient, and the steering stability on the wet road surface is deteriorated.
- it exceeds 20% the land portion 12 is too wide and the drainage performance in the center region is lowered.
- a plurality of sub-grooves 13 having a curved shape are formed on both edges of the land portion 12, and one end of each sub-groove 13 is opened in the main groove 11 while the other end is terminated in the land portion 12.
- the length L of the center line of each sub-groove 13 is preferably made longer than the rectangular diagonal line having the length P and the width A.
- a plurality of sipes 14 extending in the tire width direction are formed between the sub-groove 13 and the main groove 11.
- the shape of the sipe 14 in plan view is preferably a shape having one to four inflection points or inflection points rather than a straight line or a circular arc having a single curvature in order to ensure rigidity and an edge effect.
- a pair of main grooves 21 and 21 (second main grooves) extending in the tire circumferential direction are formed outside the main groove 11.
- a land portion 22 (second land portion) is defined between the main groove 11 and the main groove 21.
- the width W22 of the land portion 22 is set to 10% to 30% of the ground contact width W.
- the land portion 22 is composed of a plurality of blocks 24 partitioned by a plurality of lug grooves 23 extending in the tire width direction.
- the pitch length of the lug groove 23 in the tire circumferential direction is made to coincide with the pitch length P of the sub groove 13 in the tire circumferential direction, and the lug groove 23 is arranged on the extension line of the sub groove 13.
- the block 24 constituting the land portion 22 is preferably provided with a sipe 25 extending in the tire width direction.
- a pair of narrow grooves 31, 31 extending in the tire circumferential direction are formed outside the main groove 21.
- a land portion 32 (third land portion) is defined between the main groove 21 and the narrow groove 31.
- the land portion 32 has a rib structure extending continuously in the tire circumferential direction. Even when the land portion 32 having such a rib structure is provided, the land portion 22 is composed of a plurality of blocks 24, thereby further improving the handling stability and snow performance on the wet road surface.
- the noise performance can be maintained well.
- the sipe 33 does not impair the noise performance as long as the groove width is 1.8 mm or less.
- the narrow groove 31 has a see-through portion in which the groove space is continuous in the tire circumferential direction at a fixed position in the tire width direction.
- a shoulder land portion 42 is disposed outside the narrow groove 31.
- a plurality of lug grooves 43 extending in the tire width direction and communicating with the narrow groove 31 and the ground contact end E are formed in the shoulder land portion 42 at intervals in the tire circumferential direction.
- the inclination angle with respect to the tire circumferential direction at the ground contact edge E of each lug groove 43 is set to 85 ° to 95 °.
- snow performance can be improved by providing the lug groove 43 oriented in the radial direction on the shoulder land portion 42.
- the groove width at the ground contact end E of the lug groove 43 is preferably 10% to 15% of the pitch length of the lug groove 43 in the tire circumferential direction.
- a sipe 44 and a decoration groove 45 that extend in the tire width direction and branch into two branches are formed.
- a point-symmetric tread pattern (non-directional tread pattern) about an arbitrary point on the tire equator line CL is configured, but in the present invention, a line having the tire equator line CL as an axis of symmetry.
- a symmetrical tread pattern (directional tread pattern) may be formed.
- you may comprise the tread pattern which shifted the groove position mutually on the tire circumferential direction on both sides of the tire equator line CL.
- Example 1 in which the ratio (L / P) between the length L of the center line of the sub-groove and the pitch length P in the tire circumferential direction of the sub-groove was set as shown in Table 1 Tires 5 to 5 were produced.
- Snow braking performance The test tire is mounted on a wheel with a rim size of 17 ⁇ 8.0J and mounted on an SUV vehicle with a displacement of 6000cc. The air pressure is 210kPa and braking is performed from 40km / h on the snow. It was measured. The braking distance was measured five times for each tire, and an average value of three measured values excluding the maximum value and the minimum value was obtained. The evaluation results are shown as an index with the comparative example 3 being 100 using the reciprocal of the measured value. A larger index value means better snow braking performance.
- the test tire was assembled on a wheel having a rim size of 17 ⁇ 8.0 J and mounted on an SUV vehicle having a displacement of 6000 cc.
- the steering stability on a wet road surface was evaluated with a pneumatic pressure of 210 kPa in a speed range of 40 to 100 km / h.
- the evaluation results are shown as an index with Comparative Example 3 as 100. The larger the index value, the better the steering stability on the wet road surface.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
11 主溝(第一主溝)
12 陸部(第一陸部)
13 サブ溝
14 サイプ
21 主溝(第二主溝)
22 陸部(第二陸部)
23 ラグ溝
24 ブロック
25 サイプ
31 細溝
32 陸部(第三陸部)
33 サイプ
42 ショルダー陸部
43 ラグ溝
44 サイプ
45 飾り溝
試験タイヤをリムサイズ17×8.0Jのホイールに組み付けて排気量6000ccクラスのSUV車両に装着し、空気圧210kPaとして、雪上で40km/hの走行状態から制動し、完全に停止するまでの制動距離を測定した。タイヤ毎に制動距離の測定を5回行い、最大値及び最小値を除外した3つの測定値の平均値を求めた。評価結果は、測定値の逆数を用い、比較例3を100とする指数にて示した。この指数値が大きいほどスノー制動性能が優れていることを意味する。
試験タイヤをリムサイズ17×8.0Jのホイールに組み付けて排気量6000ccクラスのSUV車両に装着し、空気圧210kPaとして、ウエット路面での操縦安定性を速度範囲40~100km/hにおいてフィーリング評価した。評価結果は、比較例3を100とする指数にて示した。この指数値が大きいほどウエット路面での操縦安定性が優れていることを意味する。
Claims (7)
- トレッド部におけるタイヤ赤道線の両側にタイヤ周方向に延びる一対の第一主溝を設け、各第一主溝の中心位置とタイヤ赤道線との距離を接地幅Wの8%~20%とし、これら第一主溝の相互間に第一陸部を区画し、該第一陸部の両縁部にそれぞれ湾曲形状を有する複数本のサブ溝をタイヤ周方向に間隔をおいて形成し、各サブ溝の一端を前記第一主溝に開口させる一方で他端を前記第一陸部内で終端させ、前記第一陸部のタイヤ赤道線上の部位にタイヤ周方向に連続的に延在するリブ部分を形成すると共に、各サブ溝の中心線の長さLを該サブ溝のタイヤ周方向のピッチ長Pに対して1.1×P≦L≦2.0×Pの関係にしたことを特徴とする空気入りタイヤ。
- 前記第一陸部における前記サブ溝と前記第一主溝との間にサイプを設けたことを特徴とする請求項1に記載の空気入りタイヤ。
- 前記第一陸部における前記サブ溝と前記第一主溝との間にタイヤ幅方向に延びる複数本のサイプを設けたことを特徴とする請求項1に記載の空気入りタイヤ。
- 前記第一主溝の外側にタイヤ周方向に延びる第二主溝を設け、第一主溝と第二主溝の相互間に第二陸部を区画し、該第二陸部の幅を接地幅Wの10%~30%とし、該第二陸部をタイヤ幅方向に延びる複数本のラグ溝で区画された複数のブロックから構成したことを特徴とする請求項1~3のいずれかに記載の空気入りタイヤ。
- 前記第二主溝の外側に第三陸部を配置し、該第三陸部をタイヤ周方向に連続的に延在するリブ構造としたことを特徴とする請求項4に記載の空気入りタイヤ。
- 前記第三陸部の外側にタイヤ周方向に延びる細溝を設け、該細溝にタイヤ幅方向の定位置で溝空間がタイヤ周方向に連続するシースルー部を形成したことを特徴とする請求項5に記載の空気入りタイヤ。
- 前記細溝の外側にショルダー陸部を配置し、該ショルダー陸部にタイヤ幅方向に延びて前記細溝及び接地端に連通する複数本のラグ溝をタイヤ周方向に間隔をおいて形成し、各ラグ溝の接地端でのタイヤ周方向に対する傾斜角度を85°~95°に設定したことを特徴とする請求項6に記載の空気入りタイヤ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200980113155.3A CN102007006B (zh) | 2008-04-22 | 2009-02-19 | 充气轮胎 |
US12/922,494 US8714218B2 (en) | 2008-04-22 | 2009-02-19 | Pneumatic tire with tread having rib portion, sub-grooves and sipes |
DE112009000913T DE112009000913T5 (de) | 2008-04-22 | 2009-02-19 | Pneumatischer Reifen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008111880A JP4816675B2 (ja) | 2008-04-22 | 2008-04-22 | 空気入りタイヤ |
JP2008-111880 | 2008-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009130936A1 true WO2009130936A1 (ja) | 2009-10-29 |
Family
ID=41216677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/052854 WO2009130936A1 (ja) | 2008-04-22 | 2009-02-19 | 空気入りタイヤ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8714218B2 (ja) |
JP (1) | JP4816675B2 (ja) |
CN (1) | CN102007006B (ja) |
DE (1) | DE112009000913T5 (ja) |
WO (1) | WO2009130936A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100051154A1 (en) * | 2008-09-01 | 2010-03-04 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
EP2239153A1 (en) * | 2009-04-06 | 2010-10-13 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
US11027579B2 (en) | 2014-08-19 | 2021-06-08 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4905599B1 (ja) * | 2011-04-27 | 2012-03-28 | 横浜ゴム株式会社 | 空気入りタイヤ |
DE102012101817A1 (de) * | 2012-03-05 | 2013-09-05 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen |
JP5894556B2 (ja) * | 2013-04-18 | 2016-03-30 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP6424765B2 (ja) * | 2015-07-31 | 2018-11-21 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP6769181B2 (ja) * | 2016-08-31 | 2020-10-14 | 住友ゴム工業株式会社 | タイヤ |
DE102016221954A1 (de) | 2016-11-09 | 2018-05-09 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen |
JP6825434B2 (ja) * | 2017-03-16 | 2021-02-03 | 住友ゴム工業株式会社 | タイヤ |
JP6996401B2 (ja) * | 2018-04-06 | 2022-01-17 | 住友ゴム工業株式会社 | タイヤ |
JP2019214231A (ja) * | 2018-06-11 | 2019-12-19 | 株式会社ブリヂストン | 空気入りタイヤ |
CN109532342B (zh) * | 2019-01-04 | 2024-04-09 | 安徽佳通乘用子午线轮胎有限公司 | 一种纯电动乘用车专用充气轮胎 |
JP7108560B2 (ja) * | 2019-02-14 | 2022-07-28 | 株式会社ブリヂストン | タイヤ |
CN113043794B (zh) * | 2021-03-03 | 2023-09-29 | 山东玲珑轮胎股份有限公司 | 一种轮胎 |
CN113306346B (zh) * | 2021-06-30 | 2023-01-24 | 赛轮集团股份有限公司 | 轮胎 |
Citations (7)
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JPS5244901A (en) * | 1975-10-04 | 1977-04-08 | Bridgestone Corp | High durable tread pattern of two grooves rip type pneumtic tire |
JPH06191226A (ja) * | 1992-12-25 | 1994-07-12 | Bridgestone Corp | 空気入りタイヤ |
JP2002316515A (ja) * | 2001-04-24 | 2002-10-29 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2005063507A1 (ja) * | 2003-12-26 | 2005-07-14 | Bridgestone Corporation | 空気入りタイヤ |
JP2006160055A (ja) * | 2004-12-07 | 2006-06-22 | Bridgestone Corp | 空気入りラジアルタイヤ |
JP2007302112A (ja) * | 2006-05-11 | 2007-11-22 | Bridgestone Corp | 空気入りタイヤ |
WO2008143034A1 (ja) * | 2007-05-14 | 2008-11-27 | Bridgestone Corporation | 空気入りタイヤ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02179508A (ja) * | 1988-12-29 | 1990-07-12 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JPH06183214A (ja) * | 1992-12-22 | 1994-07-05 | Yokohama Rubber Co Ltd:The | 空気入りラジアルタイヤ |
JPH09216504A (ja) | 1996-02-14 | 1997-08-19 | Yokohama Rubber Co Ltd:The | 雪氷路用空気入りタイヤ |
US6123130A (en) * | 1997-11-11 | 2000-09-26 | Bridgestone/Firestone, Inc. | Tire having improved wet stopping capability |
US6196288B1 (en) * | 1997-12-15 | 2001-03-06 | Michelin Recherche Et Technique S.A. | Siping geometry to delay the onset of rib edge wear in truck tires |
US6923232B1 (en) * | 1999-06-24 | 2005-08-02 | The Goodyear Tire & Rubber Company | Tread for a light truck or automobile tire |
US6514366B1 (en) * | 2000-02-10 | 2003-02-04 | Bridgestone/Firestone North American Tire, Llc | Method of developing tread pattern |
JP3851545B2 (ja) | 2001-11-08 | 2006-11-29 | 株式会社ブリヂストン | 空気入りタイヤ |
JP4274317B2 (ja) * | 2003-10-15 | 2009-06-03 | 横浜ゴム株式会社 | 空気入りタイヤ |
US7484542B2 (en) * | 2005-01-28 | 2009-02-03 | The Goodyear Tire & Rubber Company | Tire tread with sipes having tie bars |
JP4581732B2 (ja) * | 2005-02-16 | 2010-11-17 | 横浜ゴム株式会社 | 空気入りタイヤ |
-
2008
- 2008-04-22 JP JP2008111880A patent/JP4816675B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-19 DE DE112009000913T patent/DE112009000913T5/de not_active Withdrawn
- 2009-02-19 CN CN200980113155.3A patent/CN102007006B/zh not_active Expired - Fee Related
- 2009-02-19 WO PCT/JP2009/052854 patent/WO2009130936A1/ja active Application Filing
- 2009-02-19 US US12/922,494 patent/US8714218B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5244901A (en) * | 1975-10-04 | 1977-04-08 | Bridgestone Corp | High durable tread pattern of two grooves rip type pneumtic tire |
JPH06191226A (ja) * | 1992-12-25 | 1994-07-12 | Bridgestone Corp | 空気入りタイヤ |
JP2002316515A (ja) * | 2001-04-24 | 2002-10-29 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2005063507A1 (ja) * | 2003-12-26 | 2005-07-14 | Bridgestone Corporation | 空気入りタイヤ |
JP2006160055A (ja) * | 2004-12-07 | 2006-06-22 | Bridgestone Corp | 空気入りラジアルタイヤ |
JP2007302112A (ja) * | 2006-05-11 | 2007-11-22 | Bridgestone Corp | 空気入りタイヤ |
WO2008143034A1 (ja) * | 2007-05-14 | 2008-11-27 | Bridgestone Corporation | 空気入りタイヤ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100051154A1 (en) * | 2008-09-01 | 2010-03-04 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
US8881779B2 (en) * | 2008-09-01 | 2014-11-11 | The Yokohama Rubber Co., Ltd. | Pneumatic tire with tread having dent parts and sipes |
EP2239153A1 (en) * | 2009-04-06 | 2010-10-13 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
US11027579B2 (en) | 2014-08-19 | 2021-06-08 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
Also Published As
Publication number | Publication date |
---|---|
CN102007006B (zh) | 2013-07-24 |
CN102007006A (zh) | 2011-04-06 |
US8714218B2 (en) | 2014-05-06 |
US20110005653A1 (en) | 2011-01-13 |
JP2009262647A (ja) | 2009-11-12 |
JP4816675B2 (ja) | 2011-11-16 |
DE112009000913T5 (de) | 2011-06-09 |
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