JP2019116167A - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
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- JP2019116167A JP2019116167A JP2017250787A JP2017250787A JP2019116167A JP 2019116167 A JP2019116167 A JP 2019116167A JP 2017250787 A JP2017250787 A JP 2017250787A JP 2017250787 A JP2017250787 A JP 2017250787A JP 2019116167 A JP2019116167 A JP 2019116167A
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- JP
- Japan
- Prior art keywords
- tire
- radial direction
- bead
- inclination angle
- tire radial
- 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.)
- Pending
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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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
- B60C15/0036—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with high ply turn-up, i.e. folded around the bead core and terminating radially above the point of maximum section width
- B60C15/0045—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with high ply turn-up, i.e. folded around the bead core and terminating radially above the point of maximum section width with ply turn-up up to the belt edges, i.e. folded around the bead core and extending to the belt 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
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/02—Seating or securing beads on rims
- B60C15/024—Bead contour, e.g. lips, grooves, or ribs
- B60C15/0242—Bead contour, e.g. lips, grooves, or ribs with bead extensions located radially outside the rim flange position, e.g. rim flange protectors
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C15/0653—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
- B60C2009/0215—Partial carcass reinforcing plies, i.e. the plies neither crossing the equatorial plane nor folded around the bead core
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
- B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
- B60C2009/0491—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship with special path of the carcass cords, e.g. sinusoidal
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0642—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer between carcass turn-up and bead filler not wrapped around the bead core
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C15/0653—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer
- B60C2015/0664—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer comprising cords at an angle of 30 to 60 degrees to the circumferential direction
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C15/0653—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer
- B60C2015/0671—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer the cord angle being different or variable within the same layer
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C15/0653—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer
- B60C2015/0675—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer characterised by the course of the cords, e.g. undulated or sinusoidal
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0685—Physical properties or dimensions of the cords, e.g. modulus of the cords
- B60C2015/0689—Cord density in width direction
Abstract
Description
踏面を構成するトレッド部と、
前記トレッド部のタイヤ幅方向両側からタイヤ径方向内側に延びる一対のサイドウォール部と、
前記サイドウォール部のタイヤ径方向内側に連なり、タイヤ周方向に環状に連続して延びるビードコアと、前記ビードコアに隣接して前記ビードコアのタイヤ径方向外側に配置されるビードフィラーとが設けられた一対のビード部と
を備え、
前記ビード部および前記サイドウォール部に、タイヤ径方向外側に位置するほどタイヤ周方向に対する傾斜角度が徐々に大きくなるように湾曲して配置された補強コードが設けられている、空気入りタイヤを提供する。
前記傾斜角度のタイヤ径方向外側と内側の境界部は、前記リムプロテクタの頂部であってもよい。
タイヤ径方向において、前記カーカスプライの折り返し端、前記補強コードの外端、および前記ビードフィラーの外端が、この順に外側から内側へ配置されていてもよい。
前記カーカスプライの折り返し端のタイヤ径方向高さは、前記補強コードの外端のタイヤ径方向高さの1.05倍以上であり、
前記カーカスプライの折り返し端と前記ベルトは、部分的に重複しており、
前記カーカスプライの折り返し端と前記ベルトの重複量は、20mm以下であってもよい。
10 トレッド部
11 インナーライナー
12 カーカスプライ
12a 折り返し端(端部)
13 ベルト
14 トレッド補強層
20 サイドウォール部
21 補強コード
21a 外端
22 リムプロテクタ
22a 頂部
30 ビード部
31 ビードコア
32 ビードフィラー
32a 外端
Claims (8)
- 踏面を構成するトレッド部と、
前記トレッド部のタイヤ幅方向両側からタイヤ径方向内側に延びる一対のサイドウォール部と、
前記サイドウォール部のタイヤ径方向内側に連なり、タイヤ周方向に環状に連続して延びるビードコアと、前記ビードコアに隣接して前記ビードコアのタイヤ径方向外側に配置されるビードフィラーとが設けられた一対のビード部と
を備え、
前記ビード部および前記サイドウォール部に、タイヤ径方向外側に位置するほどタイヤ周方向に対する傾斜角度が徐々に大きくなるように湾曲して配置された補強コードが設けられている、空気入りタイヤ。 - タイヤ径方向外側において、45度以上の前記傾斜角度を含む、請求項1に記載の空気入りタイヤ。
- タイヤ径方向内側において、45度未満の前記傾斜角度を含む、請求項1または請求項2に記載の空気入りタイヤ。
- 前記サイドウォール部に、タイヤ幅方向に突出した頂部を有し、タイヤ周方向に環状に連続して形成されたリムプロテクタをさらに備え、
前記傾斜角度のタイヤ径方向外側と内側の境界部は、前記リムプロテクタの頂部である、請求項2または請求項3に記載の空気入りタイヤ。 - 前記傾斜角度の変化は、40度以上である、請求項1から請求項4のいずれか1項に記載の空気入りタイヤ。
- 前記補強コードのタイヤ径方向外端は、タイヤ断面高さの30%以上かつ70%以下の範囲に配置されている、請求項1から請求項5のいずれか1項に記載の空気入りタイヤ。
- 前記ビードコアおよび前記ビードフィラーの周りにタイヤ幅方向内側から外側に折り返して配設された少なくとも1つのカーカスプライをさらに備え、
タイヤ径方向において、前記カーカスプライの折り返し端、前記補強コードの外端、および前記ビードフィラーの外端が、この順に外側から内側へ配置されている、請求項1から請求項6のいずれか1項に記載の空気入りタイヤ。 - 前記トレッド部の内部にタイヤ幅方向に延びるベルトをさらに備え、
前記カーカスプライの折り返し端のタイヤ径方向高さは、前記補強コードの外端のタイヤ径方向高さの1.05倍以上であり、
前記カーカスプライの折り返し端と前記ベルトは、部分的に重複しており、
前記カーカスプライの折り返し端と前記ベルトの重複量は、20mm以下である、請求項7に記載の空気入りタイヤ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017250787A JP2019116167A (ja) | 2017-12-27 | 2017-12-27 | 空気入りタイヤ |
CN201811450774.9A CN109968905A (zh) | 2017-12-27 | 2018-11-30 | 充气轮胎 |
US16/216,211 US11679630B2 (en) | 2017-12-27 | 2018-12-11 | Pneumatic tire |
DE102018131897.9A DE102018131897A1 (de) | 2017-12-27 | 2018-12-12 | Luftreifen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017250787A JP2019116167A (ja) | 2017-12-27 | 2017-12-27 | 空気入りタイヤ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2019116167A true JP2019116167A (ja) | 2019-07-18 |
Family
ID=66768767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017250787A Pending JP2019116167A (ja) | 2017-12-27 | 2017-12-27 | 空気入りタイヤ |
Country Status (4)
Country | Link |
---|---|
US (1) | US11679630B2 (ja) |
JP (1) | JP2019116167A (ja) |
CN (1) | CN109968905A (ja) |
DE (1) | DE102018131897A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021214495A1 (de) | 2021-12-16 | 2023-06-22 | Continental Reifen Deutschland Gmbh | Belastungsresistenter Fahrzeugluftreifen |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61105202A (ja) * | 1984-10-25 | 1986-05-23 | Toyo Tire & Rubber Co Ltd | 大型車両用ラジアルタイヤ |
US5392830A (en) * | 1993-03-10 | 1995-02-28 | General Tire, Inc. | Protective barrier for tire sidewall |
JP2004352174A (ja) * | 2003-05-30 | 2004-12-16 | Sumitomo Rubber Ind Ltd | 空気入りラジアルタイヤ |
WO2007015341A1 (ja) * | 2005-08-02 | 2007-02-08 | Bridgestone Corporation | 重荷重用空気入りラジアルタイヤ |
JP2012106568A (ja) * | 2010-11-16 | 2012-06-07 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2013075549A (ja) * | 2011-09-29 | 2013-04-25 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2014534929A (ja) * | 2011-11-10 | 2014-12-25 | ブリヂストン アメリカズ タイヤ オペレイションズ エルエルシー | 強化ラジアルタイヤ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09193625A (ja) * | 1996-01-17 | 1997-07-29 | Bridgestone Corp | 空気入りタイヤ |
JP3973414B2 (ja) | 2001-12-14 | 2007-09-12 | 横浜ゴム株式会社 | 空気入りラジアルタイヤ |
JP2008222072A (ja) | 2007-03-13 | 2008-09-25 | Bridgestone Corp | 空気入りタイヤ |
JP5358333B2 (ja) * | 2009-07-24 | 2013-12-04 | 株式会社ブリヂストン | 空気入りタイヤ |
JP5479848B2 (ja) | 2009-10-28 | 2014-04-23 | 株式会社ブリヂストン | 空気入りタイヤ |
-
2017
- 2017-12-27 JP JP2017250787A patent/JP2019116167A/ja active Pending
-
2018
- 2018-11-30 CN CN201811450774.9A patent/CN109968905A/zh active Pending
- 2018-12-11 US US16/216,211 patent/US11679630B2/en active Active
- 2018-12-12 DE DE102018131897.9A patent/DE102018131897A1/de not_active Ceased
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61105202A (ja) * | 1984-10-25 | 1986-05-23 | Toyo Tire & Rubber Co Ltd | 大型車両用ラジアルタイヤ |
US5392830A (en) * | 1993-03-10 | 1995-02-28 | General Tire, Inc. | Protective barrier for tire sidewall |
JP2004352174A (ja) * | 2003-05-30 | 2004-12-16 | Sumitomo Rubber Ind Ltd | 空気入りラジアルタイヤ |
WO2007015341A1 (ja) * | 2005-08-02 | 2007-02-08 | Bridgestone Corporation | 重荷重用空気入りラジアルタイヤ |
JP2012106568A (ja) * | 2010-11-16 | 2012-06-07 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2013075549A (ja) * | 2011-09-29 | 2013-04-25 | Toyo Tire & Rubber Co Ltd | 空気入りタイヤ |
JP2014534929A (ja) * | 2011-11-10 | 2014-12-25 | ブリヂストン アメリカズ タイヤ オペレイションズ エルエルシー | 強化ラジアルタイヤ |
Also Published As
Publication number | Publication date |
---|---|
DE102018131897A1 (de) | 2019-06-27 |
US11679630B2 (en) | 2023-06-20 |
US20190193466A1 (en) | 2019-06-27 |
CN109968905A (zh) | 2019-07-05 |
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