JP2018177095A - タイヤ - Google Patents
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- JP2018177095A JP2018177095A JP2017082231A JP2017082231A JP2018177095A JP 2018177095 A JP2018177095 A JP 2018177095A JP 2017082231 A JP2017082231 A JP 2017082231A JP 2017082231 A JP2017082231 A JP 2017082231A JP 2018177095 A JP2018177095 A JP 2018177095A
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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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
- B60C11/1263—Depth of the sipe different within the same sipe
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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
- B60C11/12—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
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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
- B60C11/0306—Patterns comprising block rows or discontinuous ribs
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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
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
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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
- B60C11/12—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
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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
- B60C11/12—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
- B60C11/125—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern arranged at the groove bottom
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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
- B60C11/12—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
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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
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1369—Tie bars for linking block elements and bridging the groove
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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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0348—Narrow grooves, i.e. having a width of less than 4 mm
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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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0351—Shallow grooves, i.e. having a depth of less than 50% of other grooves
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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
- 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
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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
- 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
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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
- 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
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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
- 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
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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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0381—Blind or isolated grooves
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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
- 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
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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
- B60C11/12—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
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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
- B60C11/12—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
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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
- B60C11/12—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
- B60C2011/1227—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe having different shape within the pattern
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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
- B60C11/12—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
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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
- B60C11/12—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
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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
- B60C11/13—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
- B60C2011/1361—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom with protrusions extending from the groove bottom
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
図1は、本実施形態のタイヤ1のトレッド部2の展開図が示されている。本実施形態のタイヤ1は、例えば、冬用の乗用車用タイヤとして好適に用いられる。本発明の他の態様では、タイヤ1は、例えば、重荷重用のタイヤや、タイヤの内部に加圧された空気が充填されない非空気式タイヤ等として用いることができる。
装着リム:20×8.0J
タイヤ内圧:250kPa
テスト車両:4輪駆動車、排気量3500cc
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操縦安定性が、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、操縦安定性が優れていることを示す。
上記テスト車両で、雪及び氷を含んだ氷雪路面上を走行したときの走行性能が、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、優れた氷雪上性能を有していることを示す。
ECE−R117に規定されるタイヤ単体騒音試験法に準拠して、70km/hで走行したときの通過騒音レベルが測定された。結果は、比較例の通過騒音レベルを100とする指数であり、数値が小さい程、騒音レベルが小さく、優れた騒音性能を有していることを示す。
テストの結果が表1に示される。
11 第1陸部
11a 第1エッジ
11b 第2エッジ
15 第1縦細溝
16 第1ラグ溝
17 第2ラグ溝
18 幅広部
19 幅狭部
Claims (13)
- トレッド部を有するタイヤであって、
前記トレッド部には、タイヤ周方向に延びる第1エッジ及び第2エッジの間に踏面を有する第1陸部が設けられ、
前記第1陸部には、前記第1エッジから前記第2エッジに向かって延び、かつ、前記第1陸部内で途切れる複数の第1ラグ溝と、前記第2エッジから前記第1エッジに向かって延び、かつ、前記第1陸部内で途切れる複数の第2ラグ溝と、前記第1ラグ溝及び前記第2ラグ溝と接続してタイヤ周方向に延びる第1縦細溝とが設けられ、
前記第1ラグ溝及び前記第2ラグ溝は、それぞれ、前記第1エッジ又は前記第2エッジからのびかつ前記第1縦細溝に接続しない幅広部と、前記幅広部よりも小さい溝幅を有しかつ前記第1縦細溝に接続する幅狭部とを含むタイヤ。 - 前記第1陸部は、タイヤ赤道上に設けられている請求項1記載のタイヤ。
- 前記幅狭部は、前記第1縦細溝と交差している請求項1又は2記載のタイヤ。
- 前記幅狭部は、前記幅広部よりも大きいタイヤ軸方向の長さを有している請求項1乃至3のいずれかに記載のタイヤ。
- 前記幅狭部の最大の深さは、前記幅広部の最大の深さ以下である請求項1乃至4のいずれかに記載のタイヤ。
- 前記幅狭部の最大の深さは、前記幅広部の最大の深さよりも小さい請求項5記載のタイヤ。
- 前記幅狭部の最大の深さは、前記第1縦細溝の最大の深さよりも大きい請求項1乃至6のいずれかに記載のタイヤ。
- 前記トレッド部には、タイヤ周方向に延びる第3エッジ及び第4エッジの間に踏面を有する第2陸部が設けられ、
前記第2陸部は、陸部を完全に横切る複数の横溝に区分された複数のブロックを含み、
前記ブロックには、前記第3エッジから前記第4エッジに向かって延び、かつ、前記ブロック内で途切れる第3ラグ溝と、前記第4エッジから前記第3エッジに向かって延び、かつ、前記ブロック内で途切れる複数の第4ラグ溝とが設けられた請求項1乃至7のいずれかに記載のタイヤ。 - 前記ブロックは、第1ブロック及び第2ブロックを含み、
前記第1ブロックに設けられた前記第3ラグ溝及び前記第4ラグ溝は、それぞれ、一定の溝幅でのび、
前記第2ブロックに設けられた前記第3ラグ溝及び前記第4ラグ溝は、それぞれ、幅広部と、前記幅広部よりも小さい溝幅の幅狭部とを含む請求項8記載のタイヤ。 - 前記第1ブロックと前記第2ブロックとは、タイヤ周方向に交互に設けられている請求項9記載のタイヤ。
- 前記ブロックには、前記第3ラグ溝及び前記第4ラグ溝に接続してタイヤ周方向にのびる第2縦細溝が設けられている請求項8乃至10のいずれかに記載のタイヤ。
- 前記第2縦細溝は、両端が前記ブロック内で途切れている請求項11記載のタイヤ。
- 前記トレッド部には、タイヤ周方向に連続してのびる4本の主溝で区分された5つの陸部が設けられている請求項1乃至12のいずれかに記載のタイヤ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017082231A JP6885176B2 (ja) | 2017-04-18 | 2017-04-18 | タイヤ |
CN201810174711.9A CN108725100B (zh) | 2017-04-18 | 2018-03-02 | 轮胎 |
US15/928,580 US10967684B2 (en) | 2017-04-18 | 2018-03-22 | Tire |
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JP2017082231A JP6885176B2 (ja) | 2017-04-18 | 2017-04-18 | タイヤ |
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JP2018177095A true JP2018177095A (ja) | 2018-11-15 |
JP6885176B2 JP6885176B2 (ja) | 2021-06-09 |
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Application Number | Title | Priority Date | Filing Date |
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JP2017082231A Active JP6885176B2 (ja) | 2017-04-18 | 2017-04-18 | タイヤ |
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US (1) | US10967684B2 (ja) |
JP (1) | JP6885176B2 (ja) |
CN (1) | CN108725100B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020100221A (ja) * | 2018-12-20 | 2020-07-02 | 住友ゴム工業株式会社 | タイヤ |
EP3988337A1 (en) | 2020-10-20 | 2022-04-27 | Sumitomo Rubber Industries, Ltd. | Tire |
JP7502660B2 (ja) | 2019-06-14 | 2024-06-19 | 横浜ゴム株式会社 | タイヤ |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112020001922T5 (de) * | 2019-06-14 | 2021-12-30 | The Yokohama Rubber Co., Ltd. | Reifen |
JP7491804B2 (ja) * | 2020-09-30 | 2024-05-28 | Toyo Tire株式会社 | 空気入りタイヤ |
JP2022097868A (ja) * | 2020-12-21 | 2022-07-01 | Toyo Tire株式会社 | 空気入りタイヤ |
US20220355622A1 (en) * | 2021-05-05 | 2022-11-10 | The Goodyear Tire & Rubber Company | Tire tread |
Citations (13)
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Also Published As
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CN108725100B (zh) | 2022-04-15 |
US20180297416A1 (en) | 2018-10-18 |
US10967684B2 (en) | 2021-04-06 |
CN108725100A (zh) | 2018-11-02 |
JP6885176B2 (ja) | 2021-06-09 |
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