JP2020196283A - タイヤ - Google Patents
タイヤ Download PDFInfo
- Publication number
- JP2020196283A JP2020196283A JP2019102095A JP2019102095A JP2020196283A JP 2020196283 A JP2020196283 A JP 2020196283A JP 2019102095 A JP2019102095 A JP 2019102095A JP 2019102095 A JP2019102095 A JP 2019102095A JP 2020196283 A JP2020196283 A JP 2020196283A
- Authority
- JP
- Japan
- Prior art keywords
- shoulder
- groove
- tire
- land portion
- tread
- 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
- 239000002131 composite material Substances 0.000 claims abstract description 42
- 238000012360 testing method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B60C11/01—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
-
- 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
- B60C11/0304—Asymmetric patterns
-
- 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
- B60C11/032—Patterns comprising isolated recesses
- B60C11/0323—Patterns comprising isolated recesses tread comprising channels under the tread surface, e.g. for draining water
-
- 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
-
- 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
- B60C11/1281—Width of the sipe different within the same sipe, i.e. enlarged width portion at sipe bottom or along its length
-
- 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
- B60C11/01—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
- B60C2011/013—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered provided with a recessed portion
-
- 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
-
- 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
- B60C2011/0372—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane with particular inclination angles
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
装着リム:16×6.5
タイヤ内圧:240kPa
テスト車両:排気量2500cc、前輪駆動車
タイヤ装着位置:全輪
上記テスト車両でドライ路面を走行したときの性能が、運転者の官能により評価された。結果は、比較例を100とする評点であり、数値が大きい程、ドライ性能が優れていることを示す。
上記テスト車両でウェット路面を走行したときの性能が、運転者の官能により評価された。結果は、比較例を100とする評点であり、数値が大きい程、ウェット性能が優れていることを示す。
テスト結果が表1に示される。
5 第1ショルダー主溝
13 第1ショルダー陸部
15 ショルダー横溝
20 ショルダー複合溝
21 サイプ要素
22 溝要素
Te1 第1トレッド端
Claims (8)
- トレッド部を有するタイヤであって、
前記トレッド部は、第1トレッド端を含む第1ショルダー陸部と、前記第1ショルダー陸部に隣接する第1ショルダー主溝とを含み、
前記第1ショルダー陸部には、前記第1ショルダー主溝から前記第1トレッド端に延びる複数のショルダー横溝及び複数のショルダー複合溝が設けられ、
前記複数のショルダー横溝及び前記複数のショルダー複合溝は、それぞれ、タイヤ周方向に凸となる向きに湾曲し、
前記ショルダー複合溝は、その横断面において、前記第1ショルダー陸部の踏面から1.5mm以下の幅でタイヤ半径方向に延びるサイプ要素と、前記サイプ要素のタイヤ半径方向の内側に連なり幅が1.5mmよりも大きい溝要素とを含む、
タイヤ。 - 前記ショルダー横溝及び前記ショルダー複合溝のそれぞれは、同じ向きに湾曲している、請求項1記載のタイヤ。
- トレッド平面視において、前記ショルダー複合溝の曲率半径は、前記ショルダー横溝の曲率半径よりも大きい、請求項1又は2記載のタイヤ。
- 前記サイプ要素の深さは、前記ショルダー横溝の深さよりも小さい、請求項1ないし3のいずれかに記載のタイヤ。
- 前記トレッド部は、前記第1ショルダー陸部と前記第1ショルダー主溝を介して隣接する第1ミドル陸部を含み、
前記第1ミドル陸部には、前記第1ショルダー主溝に連通する複数の傾斜溝が設けられ、
前記傾斜溝の前記第1ショルダー主溝側の端部は、前記ショルダー横溝の前記第1ショルダー主溝側の端部とタイヤ軸方向で向き合っている、請求項1ないし4のいずれかに記載のタイヤ。 - 前記第1ショルダー陸部は、前記第1トレッド端よりもタイヤ軸方向外側のバットレス面を含み、
前記ショルダー複合溝は、前記バットレス面まで延びている、請求項1ないし5のいずれかに記載のタイヤ。 - 前記第1ショルダー陸部は、前記バットレス面に形成された凹部を含み、
前記凹部は、前記サイプ要素及び前記溝要素と連なっている、請求項6記載のタイヤ。 - 前記凹部は、台形状のエッジで囲まれた領域が凹んでいる、請求項7記載のタイヤ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019102095A JP7314625B2 (ja) | 2019-05-31 | 2019-05-31 | タイヤ |
CN202010294478.5A CN112009173A (zh) | 2019-05-31 | 2020-04-15 | 轮胎 |
US16/851,923 US11498366B2 (en) | 2019-05-31 | 2020-04-17 | Tire |
EP20176771.2A EP3744538B1 (en) | 2019-05-31 | 2020-05-27 | Tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019102095A JP7314625B2 (ja) | 2019-05-31 | 2019-05-31 | タイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020196283A true JP2020196283A (ja) | 2020-12-10 |
JP7314625B2 JP7314625B2 (ja) | 2023-07-26 |
Family
ID=70861294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019102095A Active JP7314625B2 (ja) | 2019-05-31 | 2019-05-31 | タイヤ |
Country Status (4)
Country | Link |
---|---|
US (1) | US11498366B2 (ja) |
EP (1) | EP3744538B1 (ja) |
JP (1) | JP7314625B2 (ja) |
CN (1) | CN112009173A (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014097697A (ja) * | 2012-11-13 | 2014-05-29 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JP2017154709A (ja) * | 2016-03-04 | 2017-09-07 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP2018069986A (ja) * | 2016-10-31 | 2018-05-10 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2018513946A (ja) * | 2015-03-27 | 2018-05-31 | マスリード インコーポレイテッド | 雄締結具部材と雌締結具部材との間の平行移動不整列を補正する方法 |
JP2018199455A (ja) * | 2017-05-29 | 2018-12-20 | 住友ゴム工業株式会社 | タイヤ |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01101205A (ja) * | 1987-10-12 | 1989-04-19 | Bridgestone Corp | 空気入りタイヤ |
JPH08104111A (ja) | 1994-10-06 | 1996-04-23 | Bridgestone Corp | 空気入りタイヤ |
JP3718021B2 (ja) * | 1997-02-21 | 2005-11-16 | 株式会社ブリヂストン | オール・シーズン乗用車用空気入りラジアル・タイヤ |
FR2763892A1 (fr) * | 1997-05-30 | 1998-12-04 | Michelin & Cie | Sculpture et moule pour bande de roulement de pneumatique |
JP4439658B2 (ja) * | 2000-02-14 | 2010-03-24 | 住友ゴム工業株式会社 | 空気入りタイヤ |
MX347979B (es) | 2010-10-29 | 2017-05-22 | Michelin & Cie | Superficie de rodamiento que tiene pluralidad de capas de desgaste. |
JP2013126842A (ja) * | 2011-12-19 | 2013-06-27 | Bridgestone Corp | 空気入りタイヤ |
US9434211B2 (en) * | 2012-04-30 | 2016-09-06 | Michelin Recherche Et Technique S.A. | Layered tire tread design for improved coast by noise and traction performance |
JP5898640B2 (ja) * | 2013-04-23 | 2016-04-06 | 住友ゴム工業株式会社 | 空気入りタイヤ |
EP3206893B1 (en) * | 2014-10-17 | 2021-01-27 | Compagnie Générale des Etablissements Michelin | Improved tire tread with sipe |
FR3034357B1 (fr) | 2015-04-01 | 2017-03-24 | Michelin & Cie | Pneumatique comprenant une bande de roulement comportant des canaux |
WO2017074459A1 (en) | 2015-10-30 | 2017-05-04 | Compagnie Generale Des Etablissements Michelin | Tire sculpture having thin sipes, teardrops and low lateral void ratio |
US10780743B2 (en) * | 2017-03-16 | 2020-09-22 | Sumitomo Rubber Industries, Ltd. | Tire |
CN109421443A (zh) * | 2017-08-30 | 2019-03-05 | 住友橡胶工业株式会社 | 充气子午线轮胎 |
JP7074561B2 (ja) * | 2018-05-17 | 2022-05-24 | Toyo Tire株式会社 | 空気入りタイヤ |
JP7290066B2 (ja) * | 2019-05-31 | 2023-06-13 | 住友ゴム工業株式会社 | タイヤ |
-
2019
- 2019-05-31 JP JP2019102095A patent/JP7314625B2/ja active Active
-
2020
- 2020-04-15 CN CN202010294478.5A patent/CN112009173A/zh active Pending
- 2020-04-17 US US16/851,923 patent/US11498366B2/en active Active
- 2020-05-27 EP EP20176771.2A patent/EP3744538B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014097697A (ja) * | 2012-11-13 | 2014-05-29 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JP2018513946A (ja) * | 2015-03-27 | 2018-05-31 | マスリード インコーポレイテッド | 雄締結具部材と雌締結具部材との間の平行移動不整列を補正する方法 |
JP2017154709A (ja) * | 2016-03-04 | 2017-09-07 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP2018069986A (ja) * | 2016-10-31 | 2018-05-10 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2018199455A (ja) * | 2017-05-29 | 2018-12-20 | 住友ゴム工業株式会社 | タイヤ |
Also Published As
Publication number | Publication date |
---|---|
CN112009173A (zh) | 2020-12-01 |
EP3744538B1 (en) | 2022-03-02 |
US11498366B2 (en) | 2022-11-15 |
EP3744538A1 (en) | 2020-12-02 |
JP7314625B2 (ja) | 2023-07-26 |
US20200376894A1 (en) | 2020-12-03 |
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