JP2020032840A - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
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- JP2020032840A JP2020032840A JP2018160442A JP2018160442A JP2020032840A JP 2020032840 A JP2020032840 A JP 2020032840A JP 2018160442 A JP2018160442 A JP 2018160442A JP 2018160442 A JP2018160442 A JP 2018160442A JP 2020032840 A JP2020032840 A JP 2020032840A
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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
- B60C11/0304—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
- B60C11/0327—Tread patterns characterised by special properties of the tread pattern
- B60C11/033—Tread patterns characterised by special properties of the tread pattern by the void or net-to-gross ratios of the 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
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1376—Three dimensional block surfaces departing from the enveloping tread contour
- B60C11/1392—Three dimensional block surfaces departing from the enveloping tread contour with chamfered block edges
-
- 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
- B60C2011/0381—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
- B60C2011/0386—Continuous 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
- B60C2011/0386—Continuous ribs
- B60C2011/0388—Continuous ribs provided at 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
- B60C2011/0386—Continuous ribs
- B60C2011/039—Continuous ribs provided at the shoulder 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
- 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
-
- 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
- B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
- B60C2011/133—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls comprising recesses
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- 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
各試験タイヤをリムサイズ18×7.5Jのホイールに組み付けて排気量2000ccの車両に装着し、ドライ路面を走行した際のパネラーによる官能評価を実施した。評価結果は10段階の評価値で示した。この評価値が大きいほどドライ路面での操縦安定性能が優れていることを意味する。
各試験タイヤをリムサイズ18×7.5Jのホイールに組み付け、排気量2000ccの車両の駆動輪にチェーンを装着し、雪上路面を走行した際のパネラーによる官能評価を実施した。評価結果は10段階の評価値で示した。この評価値が大きいほど雪上路面での操縦安定性能が優れていることを意味する。
2 サイドウォール部
3 ビード部
11〜14 主溝
21〜25 陸部
31〜34 ラグ溝
41〜44 サイプ
CL タイヤ中心線
E 接地端
Claims (7)
- タイヤ周方向に延在して環状をなすトレッド部と、該トレッド部の両側に配置された一対のサイドウォール部と、これらサイドウォール部のタイヤ径方向内側に配置された一対のビード部とを備え、前記トレッド部にタイヤ周方向に延びる一対のセンター主溝及び一対のショルダー主溝を含む4本の主溝が設けられ、これら主溝によりセンター陸部と該センター陸部の外側に位置する一対の中間陸部と該中間陸部の外側に位置する一対のショルダー陸部とが区画され、車両に対する装着方向が指定された空気入りタイヤにおいて、
車両内側及び車両外側のそれぞれの前記ショルダー陸部にタイヤ幅方向に延びるラグ溝及びサイプを有し、前記ショルダー陸部のラグ溝は一端が少なくとも接地端まで到達する一方で他端が前記ショルダー陸部内で終端し、前記ショルダー陸部のサイプは一端が前記ショルダー主溝に連通する一方で他端が接地領域内で終端し、
車両内側及び車両外側のそれぞれの前記中間陸部にタイヤ幅方向に延びるラグ溝を有し、前記中間陸部のラグ溝は一端が前記ショルダー主溝に連通する一方で他端が前記中間陸部内で終端し、車両内側の前記中間陸部にタイヤ幅方向に延びるサイプを有し、前記中間陸部のサイプは一端が前記センター主溝に連通する一方で他端が前記中間陸部内で終端し、
前記センター陸部にタイヤ幅方向に延びるサイプを有し、前記センター陸部のサイプは一端が車両内側の前記センター主溝に連通する一方で他端がタイヤ中心線を越えることなく前記センター陸部内で終端することを特徴とする空気入りタイヤ。 - 前記センター陸部のサイプが車両内側の前記中間陸部のサイプの延長線上にあることを特徴とする請求項1に記載の空気入りタイヤ。
- 前記接地領域において、タイヤ中心線よりも車両外側にある前記ラグ溝及び前記サイプのタイヤ幅方向の総長さがタイヤ中心線よりも車両内側にある前記ラグ溝及び前記サイプのタイヤ幅方向の総長さより短く、かつ前記トレッド部の全体として前記ラグ溝のタイヤ幅方向の総長さに対する前記サイプのタイヤ幅方向の総長さの比が0.4〜0.6であることを特徴とする請求項1又は2に記載の空気入りタイヤ。
- 車両内側の前記ショルダー陸部における各サイプの前記タイヤ幅方向の長さが、車両内側の前記中間陸部における各ラグ溝のタイヤ幅方向の長さと同等であると共に、前記センター陸部における各サイプのタイヤ幅方向の長さと車両内側の前記中間陸部における各サイプのタイヤ幅方向の長さとの和と同等である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。
- 前記センター主溝がタイヤ中心線から接地端までの幅に対して15%〜25%の領域に配置され、前記ショルダー主溝がタイヤ中心線から接地端までの幅に対して55%〜65%の領域に配置されている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。
- 前記中間陸部のラグ溝は前記ショルダー主溝に対する開口端に底上げ部を有することを特徴とする請求項1〜5のいずれかに記載の空気入りタイヤ。
- 車両外側の前記センター主溝がジグザグ形状の面取り部を有することを特徴とする請求項1〜6のいずれかに記載の空気入りタイヤ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018160442A JP7172289B2 (ja) | 2018-08-29 | 2018-08-29 | 空気入りタイヤ |
DE112019003337.9T DE112019003337T5 (de) | 2018-08-29 | 2019-08-22 | Luftreifen |
PCT/JP2019/032804 WO2020045222A1 (ja) | 2018-08-29 | 2019-08-22 | 空気入りタイヤ |
US17/270,280 US20210170801A1 (en) | 2018-08-29 | 2019-08-22 | Pneumatic tire |
CN201980051535.2A CN112543707B (zh) | 2018-08-29 | 2019-08-22 | 充气轮胎 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018160442A JP7172289B2 (ja) | 2018-08-29 | 2018-08-29 | 空気入りタイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020032840A true JP2020032840A (ja) | 2020-03-05 |
JP7172289B2 JP7172289B2 (ja) | 2022-11-16 |
Family
ID=69644408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018160442A Active JP7172289B2 (ja) | 2018-08-29 | 2018-08-29 | 空気入りタイヤ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210170801A1 (ja) |
JP (1) | JP7172289B2 (ja) |
CN (1) | CN112543707B (ja) |
DE (1) | DE112019003337T5 (ja) |
WO (1) | WO2020045222A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008195100A (ja) * | 2007-02-08 | 2008-08-28 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2016002987A (ja) * | 2014-06-19 | 2016-01-12 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2016101804A (ja) * | 2014-11-27 | 2016-06-02 | 住友ゴム工業株式会社 | 空気入りタイヤ |
WO2017022309A1 (ja) * | 2015-07-31 | 2017-02-09 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2017065625A (ja) * | 2015-10-02 | 2017-04-06 | 横浜ゴム株式会社 | 空気入りタイヤ |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5438609B2 (ja) * | 2010-07-07 | 2014-03-12 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP4905599B1 (ja) * | 2011-04-27 | 2012-03-28 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP5146564B2 (ja) * | 2011-05-10 | 2013-02-20 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP5387659B2 (ja) * | 2011-11-14 | 2014-01-15 | 横浜ゴム株式会社 | 空気入りタイヤ |
WO2015178442A1 (ja) * | 2014-05-22 | 2015-11-26 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2016002983A (ja) * | 2014-06-19 | 2016-01-12 | 横浜ゴム株式会社 | 空気入りタイヤ |
WO2016035659A1 (ja) * | 2014-09-05 | 2016-03-10 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP6047137B2 (ja) * | 2014-11-20 | 2016-12-21 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP6527750B2 (ja) * | 2015-05-25 | 2019-06-05 | 株式会社ブリヂストン | 空気入りタイヤ |
JP6759929B2 (ja) * | 2016-09-26 | 2020-09-23 | 住友ゴム工業株式会社 | 空気入りタイヤ |
WO2019049765A1 (ja) * | 2017-09-06 | 2019-03-14 | 横浜ゴム株式会社 | 空気入りタイヤ |
US11685195B2 (en) * | 2017-11-17 | 2023-06-27 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
JP7135331B2 (ja) * | 2018-02-14 | 2022-09-13 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP6798620B2 (ja) * | 2018-07-02 | 2020-12-09 | 横浜ゴム株式会社 | 空気入りタイヤ |
-
2018
- 2018-08-29 JP JP2018160442A patent/JP7172289B2/ja active Active
-
2019
- 2019-08-22 US US17/270,280 patent/US20210170801A1/en active Pending
- 2019-08-22 WO PCT/JP2019/032804 patent/WO2020045222A1/ja active Application Filing
- 2019-08-22 DE DE112019003337.9T patent/DE112019003337T5/de active Pending
- 2019-08-22 CN CN201980051535.2A patent/CN112543707B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008195100A (ja) * | 2007-02-08 | 2008-08-28 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2016002987A (ja) * | 2014-06-19 | 2016-01-12 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2016101804A (ja) * | 2014-11-27 | 2016-06-02 | 住友ゴム工業株式会社 | 空気入りタイヤ |
WO2017022309A1 (ja) * | 2015-07-31 | 2017-02-09 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2017065625A (ja) * | 2015-10-02 | 2017-04-06 | 横浜ゴム株式会社 | 空気入りタイヤ |
Also Published As
Publication number | Publication date |
---|---|
WO2020045222A1 (ja) | 2020-03-05 |
CN112543707A (zh) | 2021-03-23 |
DE112019003337T5 (de) | 2021-03-18 |
CN112543707B (zh) | 2023-04-18 |
JP7172289B2 (ja) | 2022-11-16 |
US20210170801A1 (en) | 2021-06-10 |
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