JP7270456B2 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- JP7270456B2 JP7270456B2 JP2019091135A JP2019091135A JP7270456B2 JP 7270456 B2 JP7270456 B2 JP 7270456B2 JP 2019091135 A JP2019091135 A JP 2019091135A JP 2019091135 A JP2019091135 A JP 2019091135A JP 7270456 B2 JP7270456 B2 JP 7270456B2
- Authority
- JP
- Japan
- Prior art keywords
- arc
- side wall
- tire
- groove bottom
- groove
- 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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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
- B60C11/13—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
- B60C11/13—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
-
- 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
- B60C2011/0341—Circumferential grooves
- B60C2011/0348—Narrow grooves, i.e. having a width of less than 4 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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0353—Circumferential grooves 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
- B60C2011/0386—Continuous ribs
- B60C2011/0397—Sacrificial ribs, i.e. ribs recessed from outer tread contour
-
- 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
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/06—Tyres specially adapted for particular applications for heavy duty vehicles
-
- 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)
Description
前記細溝の外側側壁は、前記サブ陸部の外周面からタイヤ径方向内側に向けて延びる直線部と、前記直線部に滑らかに接続される第一円弧部と、前記細溝の溝底に滑らかに接続される第二円弧部とを含み、
前記第一円弧部は前記外側側壁よりもタイヤ赤道側に円弧の中心を有し、前記第二円弧部は、前記外側側壁よりもタイヤ幅方向外側に円弧の中心を有する。
11s :(メイン陸部の)外周面
12 :サブ陸部
12s :(サブ陸部の)外周面
13 :内側側壁
13a :直線部
13b :第三円弧部
14 :外側側壁
14a :直線部
14b :第一円弧部
14c :第二円弧部
14d :中間直線部
15 :溝底
21 :接続点
30 :トレッド面
31,32:主溝
33 :ショルダー陸部
36 :細溝
CL :タイヤ赤道
TE :接地端
Claims (6)
- トレッド面に、タイヤ周方向に延びるショルダー陸部と、前記ショルダー陸部の接地端よりもタイヤ赤道側にてタイヤ周方向に延び、前記ショルダー陸部をタイヤ赤道側のメイン陸部と接地端側のサブ陸部とに区分する細溝と、を有する空気入りタイヤにおいて、
前記細溝の外側側壁は、前記サブ陸部の外周面からタイヤ径方向内側に向けて延びる直線部と、前記直線部に滑らかに接続される第一円弧部と、前記細溝の溝底に、直線を挟むことなく接続点を介して滑らかに接続される第二円弧部とを含み、
前記第一円弧部は前記外側側壁よりもタイヤ赤道側に円弧の中心を有し、前記第二円弧部は、前記外側側壁よりもタイヤ幅方向外側に円弧の中心を有することを特徴とする、空気入りタイヤ。 - 前記第一円弧部及び前記第二円弧部の曲率半径は、それぞれ、3mmより大きく12mmより小さい、請求項1に記載の空気入りタイヤ。
- 前記溝底は単一の円弧からなる、請求項1又は2に記載の空気入りタイヤ。
- 前記細溝の内側側壁は、前記メイン陸部の外周面からタイヤ径方向内側に向けて延びる直線部を含み、
前記外側側壁の直線部と前記内側側壁の直線部との間隔をL1とし、前記溝底のタイヤ幅方向における最大空間寸法をL2とするとき、
1.5≦L2/L1≦2.3である、請求項1乃至3のいずれか一項に記載の空気入りタイヤ。 - 前記細溝の内側側壁は、前記メイン陸部の外周面からタイヤ径方向内側に向けて延びる直線部と、一端が前記直線部に滑らかに接続され他端が前記溝底に滑らかに接続される第三円弧部と、から構成され、
前記第三円弧部の曲率半径は、前記第一円弧部の曲率半径及び前記第二円弧部の曲率半径よりも小さい、請求項1乃至4のいずれか一項に記載の空気入りタイヤ。 - 前記外側側壁は、一端において前記第一円弧部に滑らかに接続され、他端において前記第二円弧部に滑らかに接続される中間直線部を有する、請求項1乃至5のいずれか一項に記載の空気入りタイヤ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019091135A JP7270456B2 (ja) | 2019-05-14 | 2019-05-14 | 空気入りタイヤ |
CN202010098745.1A CN111942082B (zh) | 2019-05-14 | 2020-02-18 | 充气轮胎 |
US16/853,837 US11433714B2 (en) | 2019-05-14 | 2020-04-21 | Pneumatic tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019091135A JP7270456B2 (ja) | 2019-05-14 | 2019-05-14 | 空気入りタイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020185865A JP2020185865A (ja) | 2020-11-19 |
JP7270456B2 true JP7270456B2 (ja) | 2023-05-10 |
Family
ID=73222632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019091135A Active JP7270456B2 (ja) | 2019-05-14 | 2019-05-14 | 空気入りタイヤ |
Country Status (3)
Country | Link |
---|---|
US (1) | US11433714B2 (ja) |
JP (1) | JP7270456B2 (ja) |
CN (1) | CN111942082B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102546776B1 (ko) * | 2021-04-16 | 2023-06-26 | 한국타이어앤테크놀로지 주식회사 | 자체 재생성되는 숨겨진 홈을 형성한 보강리브를 가지는 타이어 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008265368A (ja) | 2007-04-16 | 2008-11-06 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2012162135A (ja) | 2011-02-04 | 2012-08-30 | Bridgestone Corp | 空気入りタイヤ |
JP2014213835A (ja) | 2013-04-30 | 2014-11-17 | 株式会社ブリヂストン | 空気入りタイヤ |
JP2018079767A (ja) | 2016-11-15 | 2018-05-24 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP2018083560A (ja) | 2016-11-25 | 2018-05-31 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2617713B2 (ja) * | 1987-03-26 | 1997-06-04 | 横浜ゴム株式会社 | 重荷重用空気入りラジアルタイヤ |
JP2002079809A (ja) * | 2000-09-07 | 2002-03-19 | Bridgestone Corp | 空気入りタイヤ |
CA2680648C (en) * | 2007-03-13 | 2012-11-13 | Bridgestone Corporation | Pneumatic tire with circumferential shoulder grooves |
KR101053904B1 (ko) * | 2008-12-15 | 2011-08-04 | 한국타이어 주식회사 | 디커플링 그루브를 가지는 중하중 차량용 타이어 |
JP2013107545A (ja) * | 2011-11-22 | 2013-06-06 | Bridgestone Corp | 空気入りラジアルタイヤ |
JP2013151259A (ja) * | 2012-01-26 | 2013-08-08 | Bridgestone Corp | 空気入りタイヤ |
JP6824013B2 (ja) * | 2016-11-29 | 2021-02-03 | Toyo Tire株式会社 | 空気入りタイヤ |
JP6793021B2 (ja) * | 2016-12-02 | 2020-12-02 | Toyo Tire株式会社 | 空気入りタイヤ |
-
2019
- 2019-05-14 JP JP2019091135A patent/JP7270456B2/ja active Active
-
2020
- 2020-02-18 CN CN202010098745.1A patent/CN111942082B/zh active Active
- 2020-04-21 US US16/853,837 patent/US11433714B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008265368A (ja) | 2007-04-16 | 2008-11-06 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2012162135A (ja) | 2011-02-04 | 2012-08-30 | Bridgestone Corp | 空気入りタイヤ |
JP2014213835A (ja) | 2013-04-30 | 2014-11-17 | 株式会社ブリヂストン | 空気入りタイヤ |
JP2018079767A (ja) | 2016-11-15 | 2018-05-24 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP2018083560A (ja) | 2016-11-25 | 2018-05-31 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
Also Published As
Publication number | Publication date |
---|---|
JP2020185865A (ja) | 2020-11-19 |
US20200361247A1 (en) | 2020-11-19 |
CN111942082A (zh) | 2020-11-17 |
CN111942082B (zh) | 2022-08-19 |
US11433714B2 (en) | 2022-09-06 |
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