JP2009292252A - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- JP2009292252A JP2009292252A JP2008146795A JP2008146795A JP2009292252A JP 2009292252 A JP2009292252 A JP 2009292252A JP 2008146795 A JP2008146795 A JP 2008146795A JP 2008146795 A JP2008146795 A JP 2008146795A JP 2009292252 A JP2009292252 A JP 2009292252A
- Authority
- JP
- Japan
- Prior art keywords
- groove
- lug
- sipe
- land portion
- 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.)
- Granted
Links
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Images
Classifications
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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
- B60C11/0302—Tread patterns directional pattern, i.e. with main rolling direction
-
- 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
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
-
- 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
- B60C2011/0369—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by depth with varying depth of the groove
-
- 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
- B60C2011/0339—Grooves
- B60C2011/0381—Blind or isolated grooves
- B60C2011/0383—Blind or isolated grooves at the centre of the tread
-
- 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
-
- 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
- B60C2011/1268—Depth of the sipe being different from sipe to sipe
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
【解決手段】 トレッド部Tにタイヤ周方向に延びる少なくとも1本の周方向主溝1を設け、該周方向主溝1により複数列の陸部10,20,30を区画した空気入りタイヤにおいて、複数列の陸部のうち少なくとも1列の陸部30に、タイヤ幅方向に延長して少なくとも一端が陸部内で終端する複数本のラグ溝32と、各ラグ溝32を取り囲むように延在しつつ該ラグ溝32に対して交差して両端が同一の周方向主溝1に連通する複数本のサイプ33とを設けた。
【選択図】 図1
Description
試験タイヤをリムサイズ16×6.5Jのホイールに組み付けて試験車両に装着し、空気圧200kPaとして、雪上のテストコースにおいて耐横滑り性能を官能評価した。評価結果は、比較例1を100とする指数にて示した。この指数値が大きいほど雪上での耐横滑り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16×6.5Jのホイールに組み付けて試験車両に装着し、空気圧200kPaとして、雪上のテストコースにおいてトラクション性能を官能評価した。評価結果は、比較例1を100とする指数にて示した。この指数値が大きいほど雪上でのトラクション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16×6.5Jのホイールに組み付けて試験車両に装着し、空気圧200kPaとして、1.5万km走行後、ショルダー部に発生した偏摩耗量を測定した。評価結果は、測定値の逆数値を用い、比較例1を100とする指数にて示した。この指数値が大きいほど耐偏摩耗性が優れていることを意味する。
10,20,30 陸部
11 細溝
12 湾曲溝
13,23,33 サイプ
21,22,31,32 ラグ溝
T トレッド部
Claims (7)
- トレッド部にタイヤ周方向に延びる少なくとも1本の周方向主溝を設け、該周方向主溝により複数列の陸部を区画した空気入りタイヤにおいて、前記複数列の陸部のうち少なくとも1列の陸部に、タイヤ幅方向に延長して少なくとも一端が陸部内で終端する複数本のラグ溝と、各ラグ溝を取り囲むように延在しつつ該ラグ溝に対して交差して両端が同一の周方向主溝に連通する複数本のサイプとを設けたことを特徴とする空気入りタイヤ。
- 前記サイプが前記ラグ溝に対して平行に延長する一対の平行部分を有し、これら平行部分同士のタイヤ周方向の距離Lに対して、前記平行部分のいずれか一方から前記ラグ溝の幅中心位置までの距離L1がL1/L=0.4〜0.6の関係を満たすように前記ラグ溝及び前記サイプを配置したことを特徴とする請求項1に記載の空気入りタイヤ。
- 前記ラグ溝及び前記サイプを前記トレッド部のショルダー領域に位置する陸部に設けたことを特徴とする請求項1又は請求項2に記載の空気入りタイヤ。
- 前記トレッド部にタイヤ周方向に延びる少なくとも2本の周方向主溝を設け、前記ラグ溝及び前記サイプをショルダー領域に位置する陸部よりもセンター側に位置する陸部に設け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。
- 前記トレッド部にタイヤ周方向に延びる4本の周方向主溝を設け、これら周方向主溝により5列の陸部を区画したことを特徴とする請求項1〜4のいずれかに記載の空気入りタイヤ。
- 前記トレッド部のセンター領域に位置する陸部の中央にタイヤ周方向に延びる細溝を設けると共に、該陸部に前記周方向主溝から前記細溝に向かって延びる複数本の湾曲溝と複数本のサイプとをタイヤ周方向に沿って交互に配置し、これら湾曲溝とサイプとを互いに交差するように配置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。
- 前記センター領域の陸部の湾曲溝を前記周方向主溝と前記細溝との間で終端させ、その幅及び深さを開口端から閉塞端に向かって徐々に小さくする一方で、前記センター領域の陸部のサイプを前記細溝に連通させ、その深さを前記周方向主溝から前記湾曲溝との交差点までの部分よりも前記湾曲溝との交差点から前記細溝までの部分にて相対的に浅く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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008146795A JP4466765B2 (ja) | 2008-06-04 | 2008-06-04 | 空気入りタイヤ |
US12/466,096 US8281828B2 (en) | 2008-06-04 | 2009-05-14 | Pneumatic tire with tread having lug grooves and sipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008146795A JP4466765B2 (ja) | 2008-06-04 | 2008-06-04 | 空気入りタイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009292252A true JP2009292252A (ja) | 2009-12-17 |
JP4466765B2 JP4466765B2 (ja) | 2010-05-26 |
Family
ID=41399202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008146795A Active JP4466765B2 (ja) | 2008-06-04 | 2008-06-04 | 空気入りタイヤ |
Country Status (2)
Country | Link |
---|---|
US (1) | US8281828B2 (ja) |
JP (1) | JP4466765B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012140108A (ja) * | 2011-01-05 | 2012-07-26 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2015140100A (ja) * | 2014-01-29 | 2015-08-03 | 横浜ゴム株式会社 | 空気入りタイヤ |
US9409447B2 (en) | 2013-02-22 | 2016-08-09 | Toyo Tire & Rubber Co., Ltd. | Pneumatic tire |
JP2020196347A (ja) * | 2019-06-03 | 2020-12-10 | 横浜ゴム株式会社 | 空気入りタイヤ |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2614967B1 (en) * | 2010-09-09 | 2017-11-08 | Bridgestone Corporation | Tire |
USD666552S1 (en) | 2012-02-27 | 2012-09-04 | Bridgestone Americas Tire Operations, Llc | Tire tread |
CN111791651B (zh) * | 2019-04-03 | 2024-06-07 | 住友橡胶工业株式会社 | 轮胎 |
JP7036145B2 (ja) | 2020-04-03 | 2022-03-15 | 横浜ゴム株式会社 | タイヤ |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9016455U1 (de) * | 1990-12-04 | 1991-07-25 | Uniroyal Englebert Reifen GmbH, 5100 Aachen | Fahrzeugluftreifen |
JPH0655913A (ja) | 1992-08-07 | 1994-03-01 | Bridgestone Corp | 空気入りタイヤ |
CZ279546B6 (cs) * | 1992-10-23 | 1995-05-17 | Sellier & Bellot, A.S. | Pyrotechnická slož |
AT401370B (de) * | 1992-12-24 | 1996-08-26 | Semperit Ag | Fahrzeugluftreifen mit einem laufflächenprofil |
SK119193A3 (en) * | 1993-10-27 | 1995-07-11 | Matador As | Tread design of tire casing |
JP3377291B2 (ja) * | 1994-04-28 | 2003-02-17 | 株式会社ブリヂストン | 方向性トレッド・パターンを備えた空気入りタイヤ |
USD417174S (en) * | 1997-10-24 | 1999-11-30 | Kumho Tire Co., Ltd | Pneumatic tire for vehicles |
DE60007744T2 (de) * | 1999-06-30 | 2004-12-09 | Pirelli Pneumatici S.P.A. | Hochleistungsreifen für ein kraftfahrzeug |
JP4544717B2 (ja) | 2000-08-25 | 2010-09-15 | 住友ゴム工業株式会社 | 空気入りタイヤ |
US7861755B2 (en) * | 2004-11-30 | 2011-01-04 | The Yokohama Rubber Co., Ltd. | Pneumatic tire with tread having middle rib, middle lateral grooves, assistant grooves and lateral narrow grooves |
JP5119601B2 (ja) | 2006-02-27 | 2013-01-16 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP4367667B1 (ja) * | 2008-06-04 | 2009-11-18 | 横浜ゴム株式会社 | 空気入りタイヤ |
-
2008
- 2008-06-04 JP JP2008146795A patent/JP4466765B2/ja active Active
-
2009
- 2009-05-14 US US12/466,096 patent/US8281828B2/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012140108A (ja) * | 2011-01-05 | 2012-07-26 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
US9409447B2 (en) | 2013-02-22 | 2016-08-09 | Toyo Tire & Rubber Co., Ltd. | Pneumatic tire |
JP2015140100A (ja) * | 2014-01-29 | 2015-08-03 | 横浜ゴム株式会社 | 空気入りタイヤ |
WO2015115015A1 (ja) * | 2014-01-29 | 2015-08-06 | 横浜ゴム株式会社 | 空気入りタイヤ |
US9770951B2 (en) | 2014-01-29 | 2017-09-26 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
JP2020196347A (ja) * | 2019-06-03 | 2020-12-10 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP7306071B2 (ja) | 2019-06-03 | 2023-07-11 | 横浜ゴム株式会社 | 空気入りタイヤ |
Also Published As
Publication number | Publication date |
---|---|
US20090301621A1 (en) | 2009-12-10 |
JP4466765B2 (ja) | 2010-05-26 |
US8281828B2 (en) | 2012-10-09 |
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