JP7099503B2 - タイヤ - Google Patents
タイヤ Download PDFInfo
- Publication number
- JP7099503B2 JP7099503B2 JP2020152317A JP2020152317A JP7099503B2 JP 7099503 B2 JP7099503 B2 JP 7099503B2 JP 2020152317 A JP2020152317 A JP 2020152317A JP 2020152317 A JP2020152317 A JP 2020152317A JP 7099503 B2 JP7099503 B2 JP 7099503B2
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- JP
- Japan
- Prior art keywords
- tire
- groove
- land portion
- width direction
- circumferential direction
- 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.)
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- 238000011156 evaluation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000011324 bead Substances 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
- 230000006866 deterioration Effects 0.000 description 2
- 238000011056 performance test 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 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
- 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
- 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
- B60C11/03—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
- B60C11/1259—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
- B60C11/1236—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
- B60C11/1272—Width 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
- B60C11/0304—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
- B60C11/0306—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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0355—Circumferential grooves characterised by depth
-
- 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
- B60C2011/036—Narrow grooves, i.e. having a width of less than 3 mm
-
- 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
- B60C11/1204—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
-
- 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
- B60C2011/1231—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe being shallow, i.e. sipe depth of less than 3 mm
-
- 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
- B60C2011/1245—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern being arranged in crossing relation, e.g. sipe mesh
-
- 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
- B60C2011/1277—Width of the sipe being narrow, i.e. less than 0.3 mm
-
- 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
- B60C2011/129—Sipe density, i.e. the distance between the sipes within the pattern
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Description
次に、実施例として、本実施形態のタイヤの性能試験の結果を示す。性能試験では、複数種類の試験タイヤについて、氷上制動性能、雪上走行性能を評価した。また、実施例のタイヤは、タイヤサイズ195/65R15 91Qの試験タイヤがリムサイズ15X6.5Jの規定リムに組み付けられ、この試験タイヤに規定の空気圧が付与される。また、試験タイヤが、試験車両である排気量1800[cc]かつFF(Front engine Front drive)方式の車両の総輪に装着される。各タイヤには、空気圧250/240kPaを充填している。
4、102 サイプ
10 トレッド部
12、12a トレッド面
21、25 ショルダー主溝(周方向主溝)
22、23、24 センター主溝(周方向主溝)
31、36 ショルダー陸部(陸部)
32、35 セカンド陸部(陸部)
33、34 センター陸部(陸部)
311、321、322、331、341、351 ラグ溝
312、323、332、342、352 細溝
104 屈曲部
A1 中央域
A2 エッジ域
AC 交差線
BA、BB、BC ブロック
CL タイヤ赤道面
L1 溝深さ
L2 溝幅
L3 ピッチ
R 接地面
T 接地端
Claims (8)
- タイヤ周方向に延在する複数の周方向主溝と、前記周方向主溝と交差する方向に延在する複数のラグ溝と、前記周方向主溝によって区画され、前記周方向主溝と交差する方向に並ぶ複数の陸部と、をトレッド部に備え、
少なくとも1つの前記陸部である特定陸部は、接地面に前記周方向主溝と交差する方向に延在し、タイヤ周方向の同じ側の端部を結んだ線分がタイヤ周方向及びタイヤ径方向に対して傾斜した線分となる複数のサイプと、前記周方向主溝と交差する方向に延在し、タイヤ周方向及びタイヤ径方向に対して傾斜した溝深さが1.50mm以下の複数の細溝とを備え、
前記特定陸部に形成された複数のサイプは、タイヤ幅方向の一方から他方に向かって移動した場合、前記線分が同じ方向に傾斜し、
タイヤ幅方向における中央域において、タイヤ幅方向の一方から他方に向かって移動した場合、前記サイプの線分と前記細溝の、タイヤ周方向に移動する方向が異なる方向であり、前記中央域よりも前記タイヤ幅方向の外側の両方のエッジ域において、タイヤ幅方向の一方から他方に向かって移動した場合、前記サイプの線分と前記細溝の、タイヤ周方向に移動する方向が同じ方向であり、
前記特定陸部は、タイヤ幅方向の外側に1つ以上の陸部がある陸部を含むタイヤ。 - 前記特定陸部は、前記周方向主溝及び前記ラグ溝により区画される複数のブロックである請求項1に記載のタイヤ。
- 前記特定陸部は、前記周方向主溝と交差する方向の長さを100%としたとき、前記中央域の前記周方向主溝と交差する方向の長さが、60%以上80%以下である請求項1または請求項2に記載のタイヤ。
- 前記サイプの線分は、タイヤ周方向に対する傾斜角度が、45°以上80°以下である請求項1から請求項3のいずれか一項に記載のタイヤ。
- 前記細溝は、前記中央域でのタイヤ周方向に対する傾斜角度が、40°以上65°以下である請求項1から請求項4のいずれか一項に記載のタイヤ。
- 前記細溝は、前記エッジ域でのタイヤ周方向に対する傾斜角度が、50°以上80°以下である請求項1から請求項5のいずれか一項に記載のタイヤ。
- 前記細溝は、溝深さが0.05mm以上1.50mm以下であり、溝幅が0.10mm以上0.80mm以下であり、隣り合う前記細溝の間の距離が0.50mm以上2.00mm以下である請求項1から請求項6のいずれか一項に記載のタイヤ。
- 前記細溝は、前記中央域の端部と前記エッジ域の端部が繋がっている請求項1から請求項7のいずれか一項に記載のタイヤ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020152317A JP7099503B2 (ja) | 2020-09-10 | 2020-09-10 | タイヤ |
US18/043,984 US20230311576A1 (en) | 2020-09-10 | 2021-09-10 | Tire |
CN202180054794.8A CN116157281A (zh) | 2020-09-10 | 2021-09-10 | 轮胎 |
PCT/JP2021/033411 WO2022054930A1 (ja) | 2020-09-10 | 2021-09-10 | タイヤ |
EP21866887.9A EP4212361A4 (en) | 2020-09-10 | 2021-09-10 | PNEUMATIC |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020152317A JP7099503B2 (ja) | 2020-09-10 | 2020-09-10 | タイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022046330A JP2022046330A (ja) | 2022-03-23 |
JP7099503B2 true JP7099503B2 (ja) | 2022-07-12 |
Family
ID=80631785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020152317A Active JP7099503B2 (ja) | 2020-09-10 | 2020-09-10 | タイヤ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230311576A1 (ja) |
EP (1) | EP4212361A4 (ja) |
JP (1) | JP7099503B2 (ja) |
CN (1) | CN116157281A (ja) |
WO (1) | WO2022054930A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2024047426A (ja) * | 2022-09-26 | 2024-04-05 | 株式会社ブリヂストン | 空気入りタイヤ |
WO2025047396A1 (ja) * | 2023-08-31 | 2025-03-06 | 株式会社ブリヂストン | タイヤ用加硫ゴム、及び空気入りタイヤ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006059640A1 (ja) | 2004-11-30 | 2006-06-08 | Bridgestone Corporation | 空気入りタイヤ |
JP2006151229A (ja) | 2004-11-30 | 2006-06-15 | Bridgestone Corp | 空気入りタイヤ |
JP2009286212A (ja) | 2008-05-28 | 2009-12-10 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JP2018039337A (ja) | 2016-09-06 | 2018-03-15 | 横浜ゴム株式会社 | 空気入りタイヤ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0487806A (ja) * | 1990-07-31 | 1992-03-19 | Bridgestone Corp | 空気入りタイヤ用ブロック |
JP3017677B2 (ja) * | 1996-06-10 | 2000-03-13 | 住友ゴム工業株式会社 | 冬用乗用車用タイヤ |
JP2006151236A (ja) * | 2004-11-30 | 2006-06-15 | Bridgestone Corp | 空気入りタイヤ |
JP2007015621A (ja) * | 2005-07-08 | 2007-01-25 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ及びタイヤ用モールド |
JP2011073475A (ja) * | 2009-09-29 | 2011-04-14 | Yokohama Rubber Co Ltd:The | 冬用タイヤ |
DE102015224288A1 (de) * | 2015-12-04 | 2017-06-08 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen |
JP6825252B2 (ja) * | 2016-07-12 | 2021-02-03 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP6938870B2 (ja) | 2016-08-29 | 2021-09-22 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP6926467B2 (ja) * | 2016-12-22 | 2021-08-25 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2019026016A (ja) * | 2017-07-27 | 2019-02-21 | 横浜ゴム株式会社 | 空気入りタイヤ |
-
2020
- 2020-09-10 JP JP2020152317A patent/JP7099503B2/ja active Active
-
2021
- 2021-09-10 EP EP21866887.9A patent/EP4212361A4/en active Pending
- 2021-09-10 WO PCT/JP2021/033411 patent/WO2022054930A1/ja active Application Filing
- 2021-09-10 US US18/043,984 patent/US20230311576A1/en active Pending
- 2021-09-10 CN CN202180054794.8A patent/CN116157281A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006059640A1 (ja) | 2004-11-30 | 2006-06-08 | Bridgestone Corporation | 空気入りタイヤ |
JP2006151229A (ja) | 2004-11-30 | 2006-06-15 | Bridgestone Corp | 空気入りタイヤ |
JP2009286212A (ja) | 2008-05-28 | 2009-12-10 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JP2018039337A (ja) | 2016-09-06 | 2018-03-15 | 横浜ゴム株式会社 | 空気入りタイヤ |
Also Published As
Publication number | Publication date |
---|---|
EP4212361A1 (en) | 2023-07-19 |
US20230311576A1 (en) | 2023-10-05 |
EP4212361A4 (en) | 2024-09-04 |
WO2022054930A1 (ja) | 2022-03-17 |
JP2022046330A (ja) | 2022-03-23 |
CN116157281A (zh) | 2023-05-23 |
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