JP6981509B1 - タイヤ - Google Patents
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- JP6981509B1 JP6981509B1 JP2020141134A JP2020141134A JP6981509B1 JP 6981509 B1 JP6981509 B1 JP 6981509B1 JP 2020141134 A JP2020141134 A JP 2020141134A JP 2020141134 A JP2020141134 A JP 2020141134A JP 6981509 B1 JP6981509 B1 JP 6981509B1
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- groove
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- width
- lug groove
- Prior art date
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- 238000010586 diagram Methods 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 230000000630 rising effect Effects 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 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
- 239000007789 gas Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 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
- B60C11/03—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
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1353—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom
-
- 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
- B60C11/12—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
- B60C11/12—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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential 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
- B60C2011/0341—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
- B60C2011/0358—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
- B60C2011/0365—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
- B60C2011/0381—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
- 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
- B60C2011/1254—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern with closed sipe, i.e. not extending to a groove
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
4 サイプ
21、21A ショルダー主溝(一方の周方向主溝)
22 センター主溝(他方の周方向主溝)
22A セカンド主溝(他方の周方向主溝)
32 セカンド陸部
32A 領域(オーバーラップした領域)
32B 離間部分
41 第1サイプ
41A 端部
42 第2サイプ
42B 端部
321 第1ラグ溝
321A 幅広部
321B 幅狭部
321C 溝幅変化部
322 第2ラグ溝
322A 幅狭部
322B 幅広部
322C 溝幅変化部
321B1、322B1 底上部
Claims (10)
- タイヤ周方向に延在する2本の周方向主溝と、前記周方向主溝により区画される陸部と、前記陸部に前記周方向主溝と交差する方向に延在し、タイヤ周方向に交互に配置される複数組の第1ラグ溝および第2ラグ溝とを備え、
前記第1ラグ溝は、一端が一方の前記周方向主溝に開口するとともに、他端が前記陸部の内部で終端し、前記一端側の溝幅が前記他端側の溝幅よりも幅広に形成され、
前記第2ラグ溝は、一端が他方の前記周方向主溝に開口するとともに、他端が前記陸部の内部で終端し、前記一端側の溝幅が前記他端側の溝幅よりも幅狭に形成され、該幅狭に形成された前記第2ラグ溝の前記一端側が接地時に閉塞するタイヤ。 - 前記第1ラグ溝は、前記一端側の溝幅Wa1と前記他端側の溝幅Wa2とが、1.50≦Wa1/Wa2≦3.0の関係を満たし、
前記第2ラグ溝は、前記一端側の溝幅Wb1と前記他端側の溝幅Wb2とが、0.2≦Wb1/Wb2≦0.75の関係を満たす請求項1に記載のタイヤ。 - 前記第1ラグ溝および前記第2ラグ溝は、それぞれ溝幅が変化する溝幅変化部を有し、これら各溝幅変化部は、前記第1ラグ溝と前記第2ラグ溝とがタイヤ幅方向にオーバーラップした領域内に設けられる請求項1または2に記載のタイヤ。
- 前記領域のタイヤ幅方向の幅W2と、前記陸部のタイヤ幅方向の最大幅W1とが、0.50≦W2/W1≦0.70の関係を満たす請求項3に記載のタイヤ。
- 前記第1ラグ溝および前記第2ラグ溝は、タイヤ周方向に対して相互に逆方向に傾斜しており、タイヤ周方向に対する前記第1ラグ溝および前記第2ラグ溝の傾斜角度θ1、θ2は、それぞれ95°≦θ1≦125°、95°≦θ2≦125°、かつ、5°≦θ2−θ1≦15°を満たす請求項1から4のいずれか一項に記載のタイヤ。
- 前記第1ラグ溝および前記第2ラグ溝は、それぞれ前記他端側に溝底が底上げされた底上部を有し、
前記底上部のタイヤ幅方向の長さLa1,Lb1と、前記第1ラグ溝および前記第2ラグ溝のタイヤ幅方向の各長さLa,Lbとが、0.30≦La1/La≦0.40、0.30≦Lb1/Lb≦0.40の関係をそれぞれ満たす請求項1から5のいずれか一項に記載のタイヤ。 - 一方の前記周方向主溝は、前記陸部のエッジを形成する溝壁がストレート形状であり、他方の前記周方向主溝は、前記陸部のエッジを形成する溝壁がタイヤ周方向に延びつつタイヤ幅方向に振幅するジグザグ形状である請求項1から6のいずれか一項に記載のタイヤ。
- 前記陸部は、タイヤ幅方向に延在する複数のサイプを備え、
複数の前記サイプのうち、前記第1ラグ溝の前記一端側に配置され、タイヤ周方向にて該第1ラグ溝に隣接するサイプは、一方の前記周方向主溝に向かう端部が前記陸部の内部で終端し、
前記第2ラグ溝の前記一端側に配置され、タイヤ周方向にて該第2ラグ溝に隣接するサイプは、他方の前記周方向主溝に開口する請求項1から7のいずれか一項に記載のタイヤ。 - 前記陸部は、複数の前記サイプをタイヤ幅方向に離間して配置された離間部分を有し、
この離間部分は前記第1ラグ溝と前記第2ラグ溝とがタイヤ幅方向にオーバーラップした領域内に設けられる請求項8に記載のタイヤ。 - 前記第1ラグ溝および前記第2ラグ溝が配置された前記陸部は、タイヤの車両装着状態にて、タイヤ赤道面を境界とする車幅方向内側に配置される請求項1から9のいずれか一項に記載のタイヤ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020141134A JP6981509B1 (ja) | 2020-08-24 | 2020-08-24 | タイヤ |
PCT/JP2021/031013 WO2022045143A1 (ja) | 2020-08-24 | 2021-08-24 | タイヤ |
EP21861568.0A EP4201711A4 (en) | 2020-08-24 | 2021-08-24 | TIRES |
CN202180056066.0A CN116056912A (zh) | 2020-08-24 | 2021-08-24 | 轮胎 |
US18/041,699 US20240262135A1 (en) | 2020-08-24 | 2021-08-24 | Tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020141134A JP6981509B1 (ja) | 2020-08-24 | 2020-08-24 | タイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6981509B1 true JP6981509B1 (ja) | 2021-12-15 |
JP2022036763A JP2022036763A (ja) | 2022-03-08 |
Family
ID=79190979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020141134A Active JP6981509B1 (ja) | 2020-08-24 | 2020-08-24 | タイヤ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240262135A1 (ja) |
EP (1) | EP4201711A4 (ja) |
JP (1) | JP6981509B1 (ja) |
CN (1) | CN116056912A (ja) |
WO (1) | WO2022045143A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012001155A (ja) * | 2010-06-18 | 2012-01-05 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2013042023A1 (en) * | 2011-09-21 | 2013-03-28 | Pirelli Tyre S.P.A. | Winter tyre |
JP2013139166A (ja) * | 2011-12-28 | 2013-07-18 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JP2015054602A (ja) * | 2013-09-11 | 2015-03-23 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP2017095044A (ja) * | 2015-11-27 | 2017-06-01 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2020066279A (ja) * | 2018-10-22 | 2020-04-30 | Toyo Tire株式会社 | 空気入りタイヤ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2463687A1 (fr) * | 1979-08-20 | 1981-02-27 | Uniroyal Englebert Pneu | Sculpture de bande de roulement pour enveloppes de pneumatique |
EP2202098B1 (en) * | 2007-09-18 | 2018-11-07 | Bridgestone Corporation | Pneumatic tire |
JP5452561B2 (ja) | 2011-09-16 | 2014-03-26 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP5993407B2 (ja) * | 2014-06-10 | 2016-09-14 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP5939296B2 (ja) * | 2014-12-01 | 2016-06-22 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP6536027B2 (ja) * | 2014-12-06 | 2019-07-03 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP6496135B2 (ja) | 2014-12-08 | 2019-04-03 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP6332086B2 (ja) * | 2015-03-10 | 2018-05-30 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP6473393B2 (ja) * | 2015-07-13 | 2019-02-20 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP2017024542A (ja) | 2015-07-22 | 2017-02-02 | 横浜ゴム株式会社 | 空気入りタイヤ |
-
2020
- 2020-08-24 JP JP2020141134A patent/JP6981509B1/ja active Active
-
2021
- 2021-08-24 EP EP21861568.0A patent/EP4201711A4/en active Pending
- 2021-08-24 WO PCT/JP2021/031013 patent/WO2022045143A1/ja unknown
- 2021-08-24 US US18/041,699 patent/US20240262135A1/en active Pending
- 2021-08-24 CN CN202180056066.0A patent/CN116056912A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012001155A (ja) * | 2010-06-18 | 2012-01-05 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2013042023A1 (en) * | 2011-09-21 | 2013-03-28 | Pirelli Tyre S.P.A. | Winter tyre |
JP2013139166A (ja) * | 2011-12-28 | 2013-07-18 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JP2015054602A (ja) * | 2013-09-11 | 2015-03-23 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP2017095044A (ja) * | 2015-11-27 | 2017-06-01 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2020066279A (ja) * | 2018-10-22 | 2020-04-30 | Toyo Tire株式会社 | 空気入りタイヤ |
Also Published As
Publication number | Publication date |
---|---|
JP2022036763A (ja) | 2022-03-08 |
EP4201711A4 (en) | 2024-10-09 |
CN116056912A (zh) | 2023-05-02 |
EP4201711A9 (en) | 2023-08-23 |
WO2022045143A1 (ja) | 2022-03-03 |
US20240262135A1 (en) | 2024-08-08 |
EP4201711A1 (en) | 2023-06-28 |
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