JP2013018309A - Tire - Google Patents

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JP2013018309A
JP2013018309A JP2011151029A JP2011151029A JP2013018309A JP 2013018309 A JP2013018309 A JP 2013018309A JP 2011151029 A JP2011151029 A JP 2011151029A JP 2011151029 A JP2011151029 A JP 2011151029A JP 2013018309 A JP2013018309 A JP 2013018309A
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central
narrow groove
land portion
tire
side wall
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JP5905673B2 (en
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Keiichi Kato
慶一 加藤
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Bridgestone Corp
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Bridgestone Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a tire that secures sufficient traction on an ice-snow road and efficiently prevents uneven wear when the tire has both functions required in the ice-snow road and a non-ice-snow road.SOLUTION: A pneumatic tire 10 includes: a central land part 100 extended along a tire circumferential direction; and an intermediate land part 200 adjacent to the central land part 100 on the outside in a tread width direction and extended along the tire circumferential direction. The central land part 100 has a central sidewall 110 facing the intermediate land part 200. The intermediate land part 200 has an inside sidewall 210 facing the central land part 100. The wall surface of the central sidewall 110 is straight when viewed from a tread surface. The wall surface of the inside sidewall 210 has irregularities when viewed from the tread surface.

Description

本発明は、タイヤ周方向に沿って延びる中央陸部と、中央陸部に隣接し、タイヤ周方向に沿って延びる中間陸部とを備えるタイヤに関し、特に、オールシーズン用タイヤに関する。   The present invention relates to a tire including a central land portion extending along the tire circumferential direction and an intermediate land portion adjacent to the central land portion and extending along the tire circumferential direction, and particularly relates to an all-season tire.

従来、乗用自動車などに装着される空気入りタイヤ（以下、タイヤ）として、氷雪路及び非氷雪路において要求される性能を兼ね備えた、いわゆるオールシーズン用タイヤが知られている。   2. Description of the Related Art Conventionally, as a pneumatic tire (hereinafter referred to as a tire) to be mounted on a passenger car or the like, a so-called all-season tire having performance required on an icy snowy road and a non-icy snowy road is known.

オールシーズン用タイヤでは、非氷雪路での性能（例えば、操縦安定性）を確保しつつ、氷雪路でのトラクションを向上させ得る様々なトレッドパターンが提案されている。例えば、タイヤ周方向に沿って延びる陸部ブロックの側壁が階段状やジグザク状であるタイヤが提案されている（例えば、特許文献１参照）。   For all-season tires, various tread patterns have been proposed that can improve traction on icy and snowy roads while ensuring performance on non-icy and snowy roads (eg, steering stability). For example, a tire in which a side wall of a land block extending along the tire circumferential direction has a stepped shape or a zigzag shape has been proposed (see, for example, Patent Document 1).

このようなオールシーズン用タイヤによれば、陸部ブロック間に入り込んだ雪による雪柱せん断力が増大し、氷雪路でのトラクションが向上する。   According to such an all-season tire, the snow column shearing force due to snow entering between the land blocks is increased, and the traction on the icy and snowy road is improved.

特開２００７−１７６２８２号公報（第１図）JP 2007-176282 A (FIG. 1)

しかしながら、上述した従来のオールシーズン用タイヤには、次のような問題があった。すなわち、陸部ブロックの側壁が階段状やジグザク状である場合、この側壁を起点とした偏摩耗が発生し易い問題があった。   However, the above-described conventional all-season tire has the following problems. That is, when the side wall of the land block has a staircase shape or a zigzag shape, there is a problem that uneven wear tends to occur from the side wall.

そこで、本発明は、このような状況に鑑みてなされたものであり、氷雪路及び非氷雪路において要求される性能を兼ね備える場合において、氷雪路での十分なトラクションを確保しつつ、偏摩耗の発生をより効果的に抑制し得るタイヤの提供を目的とする。   Therefore, the present invention has been made in view of such a situation, and in the case where the performance required in the icy and snowy roads is combined, while ensuring sufficient traction on the icy and snowy roads, It aims at providing the tire which can suppress generation | occurrence | production more effectively.

本発明の第１の特徴は、タイヤ周方向に沿って延びる中央陸部（中央陸部100）と、トレッド幅方向外側において前記中央陸部に隣接し、タイヤ周方向に沿って延びる中間陸部（中間陸部200）とを備えるタイヤ（空気入りタイヤ10）であって、前記中央陸部は、前記中間陸部と対向する中央側壁（中央側壁110）を有し、前記中間陸部は、前記中央陸部と対向する内側側壁（内側側壁210）を有し、前記中央側壁の壁面は、トレッド面視において直線状であり、前記内側側壁の壁面には、トレッド面視において凹凸が形成されることを要旨とする。   The first feature of the present invention includes a central land portion (central land portion 100) extending along the tire circumferential direction, and an intermediate land portion adjacent to the central land portion on the outer side in the tread width direction and extending along the tire circumferential direction. (Intermediate land portion 200) and a tire (pneumatic tire 10), the central land portion has a central side wall (central side wall 110) facing the intermediate land portion, the intermediate land portion, It has an inner side wall (inner side wall 210) that faces the central land portion, and the wall surface of the central side wall is linear in the tread surface view, and the wall surface of the inner side wall is uneven in the tread surface view. This is the gist.

本発明の特徴によれば、氷雪路及び非氷雪路において要求される性能を兼ね備える場合において、氷雪路での十分なトラクションを確保しつつ、偏摩耗の発生をより効果的に抑制し得るタイヤを提供することができる。   According to the features of the present invention, a tire capable of more effectively suppressing the occurrence of uneven wear while ensuring sufficient traction on an icy snow road when the performance required on an icy and snowy road is combined. Can be provided.

本発明の実施形態に係る空気入りタイヤ10のトレッドの一部平面展開図である。1 is a partial plan view of a tread of a pneumatic tire 10 according to an embodiment of the present invention. 本発明の実施形態に係る中央陸部100、中間陸部200及び外側陸部300の一部拡大図である。FIG. 3 is a partially enlarged view of a central land portion 100, an intermediate land portion 200, and an outer land portion 300 according to an embodiment of the present invention. 本発明の実施形態に係る中間陸部200の一部拡大図である。It is a partially expanded view of the intermediate land portion 200 according to the embodiment of the present invention. 本発明の実施形態に係る中央陸部100の一部拡大図である。1 is a partially enlarged view of a central land portion 100 according to an embodiment of the present invention. 本発明の実施形態に係る中央陸部100及び中間陸部200の一部拡大図である。FIG. 2 is a partially enlarged view of a central land portion 100 and an intermediate land portion 200 according to an embodiment of the present invention.

次に、本発明に係るタイヤ（空気入りタイヤ）の実施形態について、図面を参照しながら説明する。なお、以下の図面の記載において、同一または類似の部分には、同一または類似の符号を付している。ただし、図面は模式的なものであり、各寸法の比率などは現実のものとは異なることに留意すべきである。   Next, an embodiment of a tire (pneumatic tire) according to the present invention will be described with reference to the drawings. In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals. However, it should be noted that the drawings are schematic and ratios of dimensions and the like are different from actual ones.

したがって、具体的な寸法などは以下の説明を参酌して判断すべきである。また、図面相互間においても互いの寸法の関係や比率が異なる部分が含まれ得る。   Accordingly, specific dimensions and the like should be determined in consideration of the following description. Moreover, the part from which the relationship and ratio of a mutual dimension differ also in between drawings may be contained.

（１）空気入りタイヤの概略構成
図１は、空気入りタイヤ10のトレッドの一部平面展開図である。図１に示すように、空気入りタイヤ10は、中央陸部100、中間陸部200及び外側陸部300を備える。なお、空気入りタイヤ10には、空気に代えて、窒素ガスなどの不活性ガスを充填してもよい。 (1) Schematic Configuration of Pneumatic Tire FIG. 1 is a partial plan development view of a tread of the pneumatic tire 10. As shown in FIG. 1, the pneumatic tire 10 includes a central land portion 100, an intermediate land portion 200, and an outer land portion 300. The pneumatic tire 10 may be filled with an inert gas such as nitrogen gas instead of air.

中央陸部100及び中間陸部200は、ともにタイヤ周方向DCに沿って延びる。中間陸部200は、中央陸部100に隣接し、中央陸部100よりもトレッド幅方向DT外側に設けられる。 Center land portion 100 and the intermediate land portion 200 extends both along the tire circumferential direction D C. The intermediate land portion 200 is adjacent to the central land portion 100 and is provided outside the central land portion 100 in the tread width direction DT .

外側陸部300は、中間陸部200に隣接し、中間陸部200よりもトレッド幅方向DT外側に設けられる。具体的には、外側陸部300は、トレッド幅方向DTの最も外側、つまり、トレッドショルダーに設けられる。 The outer land portion 300 is adjacent to the intermediate land portion 200 and is provided outside the intermediate land portion 200 on the outer side in the tread width direction D T. Specifically, the outer land portion 300 is provided on the outermost side in the tread width direction DT , that is, on the tread shoulder.

（２）陸部の形状
次に、図２〜図５を参照して、陸部の形状について説明する。図２は、中央陸部100、中間陸部200及び外側陸部300の一部拡大図である。図３は、中間陸部200の一部拡大図である。図４は、中央陸部100の一部拡大図である。図５は、中央陸部100及び中間陸部200の一部拡大図である。 (2) Shape of land part Next, the shape of a land part is demonstrated with reference to FIGS. FIG. 2 is a partially enlarged view of the central land portion 100, the intermediate land portion 200, and the outer land portion 300. FIG. 3 is a partially enlarged view of the intermediate land portion 200. FIG. 4 is a partially enlarged view of the central land portion 100. FIG. 5 is a partially enlarged view of the central land portion 100 and the intermediate land portion 200.

図２に示すように、中央陸部100は、中間陸部200と対向する中央側壁110を有する。中央側壁110の壁面は、トレッド面視において直線状である。   As shown in FIG. 2, the central land portion 100 has a central side wall 110 that faces the intermediate land portion 200. The wall surface of the central side wall 110 is linear in the tread surface view.

また、中間陸部200は、中央陸部100と対向する内側側壁210と、外側陸部300と対向する外側側壁260とを有する。内側側壁210及び外側側壁260の壁面は、トレッド面視において凹凸が形成されており、ジグザグ状である。また、外側陸部300の壁面は、トレッド面視において直線状である。   The intermediate land portion 200 includes an inner side wall 210 that faces the central land portion 100 and an outer side wall 260 that faces the outer land portion 300. The wall surfaces of the inner side wall 210 and the outer side wall 260 are uneven in the tread surface view, and have a zigzag shape. Further, the wall surface of the outer land portion 300 is linear in the tread surface view.

（２．１）中間陸部200
中間陸部200の内側側壁210の壁面では、タイヤ周方向DCにおいて内側凸状部211と内側凹状部212とが交互に繰り返される。 (2.1) Midland 200
The wall surface of the inner side wall 210 of the intermediate land portion 200, and the inner convex portion 211 and an inner concave portion 212 are alternately repeated in the tire circumferential direction D C.

内側凸状部211は、トレッド面視において、中央陸部100寄りに位置し、内側凹状部212は、トレッド面視において、内側凸状部211よりも凹んでいる。内側側壁210の壁面には、内側凸状部211と内側凹状部212とによって凹凸が形成される。   The inner convex portion 211 is located closer to the central land portion 100 in the tread surface view, and the inner concave portion 212 is recessed than the inner convex portion 211 in the tread surface view. Concavities and convexities are formed on the inner side wall 210 by the inner convex portion 211 and the inner concave portion 212.

内側凸状部211と内側凹状部212との境界には、トレッド幅方向DTに沿って延びる内側細溝220が形成される。内側細溝220は、タイヤ周方向DCにおいて、内側細溝部221と、内側細溝部221よりも溝幅が狭い内側サイプ部222とが、交互に繰りかさえるように形成される。また、内側細溝部221には、内側細溝部221よりも溝幅が狭い内側連通サイプ230が連通する。 An inner narrow groove 220 extending along the tread width direction D T is formed at the boundary between the inner convex portion 211 and the inner concave portion 212. Inner narrow groove 220 in the tire circumferential direction D C, the inner fine groove 221, and a narrow inner sipe portion 222 groove width than the inner narrow groove 221 is formed so as to feel more alert or repeated alternately. The inner narrow groove portion 221 communicates with an inner communication sipe 230 having a narrower groove width than the inner narrow groove portion 221.

また、外側側壁260の壁面では、タイヤ周方向DCにおいて外側凸状部261と外側凹状部262とが交互に繰り返される。 Further, the wall surface of the outer sidewall 260, an outer convex portion 261 and the outer concave portion 262 are alternately repeated in the tire circumferential direction D C.

外側凸状部261は、トレッド面視において、外側陸部300寄りに位置し、外側凹状部262は、トレッド面視において、外側凸状部261よりも凹んでいる。外側側壁260の壁面には、外側凸状部261と外側凹状部262とによって凹凸が形成される。   The outer convex portion 261 is located closer to the outer land portion 300 in the tread surface view, and the outer concave portion 262 is recessed than the outer convex portion 261 in the tread surface view. Unevenness is formed on the wall surface of the outer side wall 260 by the outer convex portion 261 and the outer concave portion 262.

外側凸状部261と外側凹状部262との境界には、トレッド幅方向DTに沿って延びる外側細溝270が形成される。 An outer fine groove 270 extending along the tread width direction D T is formed at the boundary between the outer convex portion 261 and the outer concave portion 262.

外側細溝270は、タイヤ周方向DCにおいて、外側細溝部271と、外側細溝部271よりも溝幅が狭い外側サイプ部272とが、交互に繰りかさえるように形成される。 Outer narrow groove 270, in the tire circumferential direction D C, an outer fine groove 271, and the narrow outer sipe portion 272 groove width than the outer fine groove 271 is formed so as to feel more alert or repeated alternately.

また、外側細溝部271には、外側細溝部271よりも溝幅が狭い外側連通サイプ280が連通する。   The outer narrow groove portion 271 communicates with an outer communication sipe 280 having a groove width narrower than that of the outer narrow groove portion 271.

（２．２）中央陸部100
中央陸部100には、トレッド幅方向DTに沿って延びる中央細溝120が形成される。中央細溝120は、タイヤ周方向DCにおいて、中央細溝部121と、中央細溝部121よりも溝幅が狭い中央サイプ部122とが、交互に繰りかさえるように形成される。 (2.2) Central land 100
A central narrow groove 120 extending along the tread width direction D T is formed in the central land portion 100. Central narrow groove 120 in the tire circumferential direction D C, a central narrow groove 121, and a narrow central sipe 122 groove width than the central narrow groove 121 is formed so as to feel more alert or repeated alternately.

また、中央細溝部121には、中央細溝部121に連通し、タイヤ周方向DCに対して傾斜する傾斜サイプ130が形成される。 Also, the central narrow groove 121 is communicated with a central narrow groove 121, the inclined sipes 130 are formed inclined to the tire circumferential direction D C.

さらに、図５に示すように、中央陸部100の中央細溝部121は、中間陸部200の内側サイプ部222と対向する。一方、中央陸部100の中央サイプ部122は、中間陸部200の内側細溝部221と対向する。   Further, as shown in FIG. 5, the central narrow groove portion 121 of the central land portion 100 faces the inner sipe portion 222 of the intermediate land portion 200. On the other hand, the central sipe part 122 of the central land part 100 faces the inner narrow groove part 221 of the intermediate land part 200.

（３）作用・効果
空気入りタイヤ10によれば、中央陸部100の中央側壁110の壁面は、トレッド面視において直線状である。一方、中間陸部200の内側側壁210の壁面には、トレッド面視において凹凸が形成されている。このため、トレッド幅方向DTにおける中央陸部100の偏摩耗を抑制しつつ、氷雪路でのトラクションを確保できる。 (3) Action / Effect According to the pneumatic tire 10, the wall surface of the central side wall 110 of the central land portion 100 is linear when viewed from the tread surface. On the other hand, irregularities are formed on the wall surface of the inner side wall 210 of the intermediate land portion 200 in the tread surface view. For this reason, it is possible to secure traction on an icy and snowy road while suppressing uneven wear of the central land portion 100 in the tread width direction DT .

具体的には、中央陸部100の中央側壁110の壁面は直線状であるため、中央側壁110の凹凸を基点とした偏摩耗が発生し難い。また、中間陸部200の内側側壁210の壁面には凹凸が形成され、壁面がジグザグ状であるため、氷雪路における雪柱せん断力も確保できる。   Specifically, since the wall surface of the central side wall 110 of the central land portion 100 is linear, uneven wear with the unevenness of the central side wall 110 as a base point hardly occurs. In addition, since the wall surface of the inner side wall 210 of the intermediate land portion 200 is uneven, and the wall surface has a zigzag shape, a snow column shear force in an icy snow road can be secured.

本実施形態では、外側側壁260の壁面にも、凹凸が形成され、壁面がジグザグ状であるため、氷雪路における雪柱せん断力がさらに向上する。また、外側陸部300の壁面も中央陸部100と同様に直線状であるため、トレッド幅方向DTにおける外側陸部300の偏摩耗を抑制できる。 In the present embodiment, since the unevenness is also formed on the wall surface of the outer side wall 260 and the wall surface is zigzag-shaped, the snow column shear force in the icy and snowy road is further improved. Moreover, since the wall surface of the outer land portion 300 is also linear like the central land portion 100, uneven wear of the outer land portion 300 in the tread width direction DT can be suppressed.

本実施形態では、内側凸状部211と内側凹状部212との境界には、トレッド幅方向DTに沿って延びる内側細溝220が形成される。同様に、外側凸状部261と外側凹状部262との境界には、トレッド幅方向DTに沿って延びる外側細溝270が形成される。 In the present embodiment, an inner narrow groove 220 extending along the tread width direction D T is formed at the boundary between the inner convex portion 211 and the inner concave portion 212. Similarly, an outer fine groove 270 extending along the tread width direction D T is formed at the boundary between the outer convex portion 261 and the outer concave portion 262.

さらに、中間陸部200には、内側連通サイプ230及び外側連通サイプ280が形成される。 Further, an inner communication sipe 230 and an outer communication sipe 280 are formed in the intermediate land portion 200.

このため、中央陸部100及び中間陸部200の蹴り出し時に、当該陸部に生じるせん断力が適度に分断されるため、氷雪路でのトラクションに寄与するとともに、耐摩耗性も向上する。   For this reason, when the central land portion 100 and the intermediate land portion 200 are kicked out, the shearing force generated in the land portion is appropriately divided, so that it contributes to the traction on the icy snow road and the wear resistance is also improved.

（４）その他の実施形態
上述したように、本発明の実施形態を通じて本発明の内容を開示したが、この開示の一部をなす論述及び図面は、本発明を限定するものであると理解すべきではない。この開示から当業者には様々な代替実施の形態、実施例及び運用技術が明らかとなる。 (4) Other Embodiments As described above, the contents of the present invention have been disclosed through the embodiments of the present invention. However, it is understood that the descriptions and drawings constituting a part of this disclosure limit the present invention. Should not. From this disclosure, various alternative embodiments, examples, and operational techniques will be apparent to those skilled in the art.

例えば、上述した実施形態では、内側連通サイプ230及び外側連通サイプ280が形成されていたが、このようなサイプは、必ずしも形成されていなくても構わない。   For example, in the above-described embodiment, the inner communication sipe 230 and the outer communication sipe 280 are formed. However, such a sipe does not necessarily have to be formed.

このように、本発明は、ここでは記載していない様々な実施の形態などを含むことは勿論である。したがって、本発明の技術的範囲は、上述の説明から妥当な特許請求の範囲に係る発明特定事項によってのみ定められる。   As described above, the present invention naturally includes various embodiments that are not described herein. Therefore, the technical scope of the present invention is determined only by the invention specifying matters according to the scope of claims reasonable from the above description.

10…空気入りタイヤ
100…中央陸部
110…中央側壁
120…中央細溝
121…中央細溝部
122…中央サイプ部
130…傾斜サイプ
200…中間陸部
210…内側側壁
211…内側凸状部
212…内側凹状部
220…内側細溝
221…内側細溝部
222…内側サイプ部
230…内側連通サイプ
260…外側側壁
261…外側凸状部
262…外側凹状部
270…外側細溝
271…外側細溝部
272…外側サイプ部
280…外側連通サイプ
300…外側陸部 10 ... Pneumatic tire
100 ... Central land
110 ... Center side wall
120 ... Central narrow groove
121 ... Central narrow groove
122… Central sipe part
130 ... Inclined sipe
200 ... Middle land
210 ... Inner side wall
211… Inner convex part
212… Inner concave part
220 ... Inner narrow groove
221 ... Inner narrow groove
222… Inner sipes
230… Inner communication sipe
260… Outer side wall
261 ... Outer convex part
262 ... Outer concave part
270… Outer narrow groove
271… Outer narrow groove
272 ... Outside sipe part
280 ... Outside communication sipe
300 ... Outside land

Claims (9)

タイヤ周方向に沿って延びる中央陸部と、
トレッド幅方向外側において前記中央陸部に隣接し、タイヤ周方向に沿って延びる中間陸部と
を備えるタイヤであって、
前記中央陸部は、前記中間陸部と対向する中央側壁を有し、
前記中間陸部は、前記中央陸部と対向する内側側壁を有し、
前記中央側壁の壁面は、トレッド面視において直線状であり、
前記内側側壁の壁面には、トレッド面視において凹凸が形成されているタイヤ。 A central land extending along the tire circumferential direction;
A tire including an intermediate land portion adjacent to the central land portion on the outer side in the tread width direction and extending along the tire circumferential direction,
The central land portion has a central side wall facing the intermediate land portion,
The intermediate land portion has an inner side wall facing the central land portion,
The wall surface of the central side wall is linear in the tread surface view,
The tire in which the wall surface of the inner side wall is uneven in a tread surface view. 前記中央陸部よりもトレッド幅方向外側において前記中間陸部に隣接し、タイヤ周方向に沿って延びる外側陸部を備え、
前記中間陸部は、前記外側陸部と対向する外側側壁を有し、
前記外側陸部の壁面は、トレッド面視において直線状であり、
前記外側側壁の壁面には、トレッド面視において凹凸が形成されている請求項１に記載のタイヤ。 Adjacent to the intermediate land portion on the outer side in the tread width direction than the central land portion, the outer land portion extending along the tire circumferential direction,
The intermediate land portion has an outer side wall facing the outer land portion,
The wall surface of the outer land portion is linear in the tread surface view,
The tire according to claim 1, wherein unevenness is formed on a wall surface of the outer side wall in a tread surface view. 前記内側側壁の壁面は、
トレッド面視において、前記中央陸部寄りに位置する内側凸状部と、
トレッド面視において、前記内側凸状部よりも凹んだ内側凹状部と
によって前記ジグザグ状を形成し、
前記内側凸状部と前記内側凹状部との境界には、トレッド幅方向に沿って延びる内側細溝が形成される請求項１または２に記載のタイヤ。 The wall surface of the inner side wall is
In the tread surface view, the inner convex portion located near the central land portion,
In the tread surface view, the zigzag shape is formed by the inner concave portion recessed from the inner convex portion,
The tire according to claim 1 or 2, wherein an inner narrow groove extending along a tread width direction is formed at a boundary between the inner convex portion and the inner concave portion. 前記内側細溝は、タイヤ周方向において、内側細溝部と、前記内側細溝部よりも溝幅が狭い内側サイプ部とが、交互に繰りかさえるように形成される請求項３に記載のタイヤ。   The tire according to claim 3, wherein the inner narrow groove is formed so that an inner narrow groove portion and an inner sipe portion having a narrower groove width than the inner narrow groove portion are alternately repeated in the tire circumferential direction. 前記中央陸部には、トレッド幅方向に沿って延びる中央細溝が形成され、
前記中央細溝は、タイヤ周方向において、中央細溝部と、前記中央細溝部よりも溝幅が狭い中央サイプ部とが、交互に繰りかさえるように形成され、
前記中央細溝部は前記内側サイプ部と対向し、
前記中央サイプ部は前記内側細溝部と対向する請求項４に記載のタイヤ。 A central narrow groove extending along the tread width direction is formed in the central land portion,
The central narrow groove is formed such that, in the tire circumferential direction, the central narrow groove portion and the central sipe portion having a narrower groove width than the central narrow groove portion are alternately repeated.
The central narrow groove portion faces the inner sipe portion,
The tire according to claim 4, wherein the central sipe portion faces the inner narrow groove portion. 前記内側細溝部には、前記内側細溝部よりも溝幅が狭い内側連通サイプが連通する請求項４または５に記載のタイヤ。   The tire according to claim 4 or 5, wherein an inner communication sipe having a narrower groove width than the inner narrow groove portion communicates with the inner narrow groove portion. 前記外側側壁の壁面は、
トレッド面視において、前記外側陸部寄りに位置する外側凸状部と、
トレッド面視において、前記外側凸状部よりも凹んだ外側凹状部と
によって前記凹凸を形成し、
前記外側凸状部と前記外側凹状部との境界には、トレッド幅方向に沿って延びる外側細溝が形成される請求項１乃至６に何れか一項に記載のタイヤ。 The wall surface of the outer side wall is
In the tread surface view, an outer convex portion located near the outer land portion,
In the tread surface view, the unevenness is formed by the outer concave portion that is recessed from the outer convex portion,
The tire according to any one of claims 1 to 6, wherein an outer narrow groove extending along a tread width direction is formed at a boundary between the outer convex portion and the outer concave portion. 前記外側細溝は、タイヤ周方向において、外側細溝部と、前記内側細溝部よりも溝幅が狭い外側サイプ部とが、交互に繰りかさえるように形成される請求項７に記載のタイヤ。   The tire according to claim 7, wherein the outer narrow groove is formed so that an outer narrow groove portion and an outer sipe portion whose groove width is narrower than the inner narrow groove portion are alternately repeated in the tire circumferential direction. 前記外側細溝には、前記外側細溝よりも溝幅が狭い外側連通サイプが連通する請求項７または８に記載のタイヤ。   The tire according to claim 7 or 8, wherein an outer communication sipe having a groove width narrower than that of the outer narrow groove communicates with the outer narrow groove.
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015024758A (en) * 2013-07-26 2015-02-05 株式会社ブリヂストン Pneumatic radial tire
JP2015024757A (en) * 2013-07-26 2015-02-05 株式会社ブリヂストン Pneumatic radial tire
JP2016064726A (en) * 2014-09-24 2016-04-28 住友ゴム工業株式会社 Pneumatic tire
WO2017090715A1 (en) 2015-11-27 2017-06-01 横浜ゴム株式会社 Pneumatic tire
WO2019188804A1 (en) * 2018-03-26 2019-10-03 横浜ゴム株式会社 Pneumatic tire
EP3636459A1 (en) * 2018-10-12 2020-04-15 Sumitomo Rubber Industries, Ltd. Tyre
JP2020059461A (en) * 2018-10-12 2020-04-16 住友ゴム工業株式会社 tire
JP2020097644A (en) * 2018-12-17 2020-06-25 横浜ゴム株式会社 Rubber composition for tire and pneumatic tire containing the same
US20200361246A1 (en) * 2018-01-23 2020-11-19 The Yokohama Rubber Co., Ltd. Pneumatic Tire

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11208219A (en) * 1998-01-27 1999-08-03 Sumitomo Rubber Ind Ltd Pneumatic tire
JP2010006095A (en) * 2008-06-24 2010-01-14 Yokohama Rubber Co Ltd:The Pneumatic tire

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11208219A (en) * 1998-01-27 1999-08-03 Sumitomo Rubber Ind Ltd Pneumatic tire
JP2010006095A (en) * 2008-06-24 2010-01-14 Yokohama Rubber Co Ltd:The Pneumatic tire

Cited By (20)

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JP2015024757A (en) * 2013-07-26 2015-02-05 株式会社ブリヂストン Pneumatic radial tire
JP2016064726A (en) * 2014-09-24 2016-04-28 住友ゴム工業株式会社 Pneumatic tire
WO2017090715A1 (en) 2015-11-27 2017-06-01 横浜ゴム株式会社 Pneumatic tire
US11241917B2 (en) 2015-11-27 2022-02-08 The Yokohama Rubber Co., Ltd. Pneumatic tire
US11718130B2 (en) * 2018-01-23 2023-08-08 The Yokohama Rubber Co., Ltd. Pneumatic tire
US20200361246A1 (en) * 2018-01-23 2020-11-19 The Yokohama Rubber Co., Ltd. Pneumatic Tire
CN111936323A (en) * 2018-03-26 2020-11-13 横滨橡胶株式会社 Pneumatic tire
JP2019167052A (en) * 2018-03-26 2019-10-03 横浜ゴム株式会社 Pneumatic tire
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WO2019188804A1 (en) * 2018-03-26 2019-10-03 横浜ゴム株式会社 Pneumatic tire
US11951774B2 (en) 2018-03-26 2024-04-09 The Yokohama Rubber Co., Ltd. Pneumatic tire
JP2020059461A (en) * 2018-10-12 2020-04-16 住友ゴム工業株式会社 tire
EP3636459A1 (en) * 2018-10-12 2020-04-15 Sumitomo Rubber Industries, Ltd. Tyre
JP7131284B2 (en) 2018-10-12 2022-09-06 住友ゴム工業株式会社 tire
US11446963B2 (en) 2018-10-12 2022-09-20 Sumitomo Rubber Industries, Ltd. Tyre
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CN113195617A (en) * 2018-12-17 2021-07-30 横滨橡胶株式会社 Rubber composition for tire and tire comprising same
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