JP2012106625A - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- JP2012106625A JP2012106625A JP2010257182A JP2010257182A JP2012106625A JP 2012106625 A JP2012106625 A JP 2012106625A JP 2010257182 A JP2010257182 A JP 2010257182A JP 2010257182 A JP2010257182 A JP 2010257182A JP 2012106625 A JP2012106625 A JP 2012106625A
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- Prior art keywords
- tire
- bead
- radial direction
- layer
- bead filler
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
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- 125000003504 2-oxazolinyl group Chemical group O1C(=NCC1)* 0.000 description 1
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- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
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- 101000576320 Homo sapiens Max-binding protein MNT Proteins 0.000 description 1
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- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
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- BAPJBEWLBFYGME-UHFFFAOYSA-N acrylic acid methyl ester Natural products COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
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- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 1
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- 239000000178 monomer Substances 0.000 description 1
- GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical compound CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
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- 229920005554 polynitrile Polymers 0.000 description 1
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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
- 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
-
- 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
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
- B60C5/14—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre
- B60C5/142—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre provided partially, i.e. not covering the whole inner wall
-
- 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
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0008—Compositions of the inner liner
-
- 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
- B60C15/0603—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex
-
- 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
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/28—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers characterised by the belt or breaker dimensions or curvature relative to carcass
-
- 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
- B60C2013/005—Physical properties of the sidewall rubber
- B60C2013/007—Thickness
-
- 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
- B60C2015/009—Height of the carcass terminal portion defined in terms of a numerical value or ratio in proportion to section height
-
- 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
- B60C15/0603—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex
- B60C2015/061—Dimensions of the bead filler in terms of numerical values or ratio in proportion to section height
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
【解決手段】
ビードフィラー6のビードヒール3aからの高さHを10〜30mmにすると共に、カーカス層4の内側に配置するインナーライナー9をヤング率が70〜1500MPaで、厚さが0.05〜0.25mmの熱可塑性樹脂又は熱可塑性樹脂成分とエラストマー成分とをブレンドした熱可塑性エラストマー組成物により構成し、インナーライナー層9の端部9aがビードフィラー6のタイヤ径方向外側端部6aよりタイヤ径方向内側に位置するようにする。
【選択図】図1
Description
試験タイヤをリムサイズ15×6Jのホイールに組み付けて、フロントタイヤの空気圧を230kPa、リアタイヤの空気圧を220kPaにし、排気量1.8Lクラスの国産ハイブリット車に取り付け、5名のテストドライバーがテストコースを周回する際の操縦安定性をフィーリング評価し、その平均値を求めた。評価結果は、従来例1を100とする指数にて示した。この指数値が大きいほど操縦安定性が優れていることを意味する。
試験タイヤを、ISO28580に準拠して、ドラム径1707.6mmのドラム試験機を用い、空気圧210kPa、荷重4.82kN、速度80km/hの条件で転がり抵抗を測定した。評価結果は、測定値の逆数を用い、従来例1を100とする指数にて示した。この指数値が大きいほど転がり抵抗が低いことを意味する。
試験タイヤの重量を測定した。評価結果は測定値の逆数を用い、従来例1を100とする指数にて示した。この指数値が大きいほどタイヤ重量が軽量であることを意味する。
2 サイドウォール部
3 ビード部
3a ビードヒール
4 カーカス層
4a 巻き上げ端
5 ビードコア
6 ビードフィラー
6a タイヤ径方向端部
7 ベルト層
8 ベルト補強層
9 インナーライナー層
9a 端部
10 補強層
P タイヤ最大幅位置
SH タイヤ断面高さ
SW タイヤ断面幅
BW タイヤ最大ベルト幅
Claims (10)
- 一対のビード部間にカーカス層を装架し、該カーカス層を各ビード部に埋設されたビードコアの周りに巻き上げ、該ビードコア上にビードフィラーを配置すると共に、前記カーカス層の内側にインナーライナー層を配置した空気入りタイヤにおいて、
前記ビードフィラーのビードヒールからの高さHを10〜30mmにすると共に、前記インナーライナー層をヤング率が70〜1500MPaで、厚さが0.05〜0.25mmの熱可塑性樹脂又は熱可塑性樹脂成分とエラストマー成分とをブレンドした熱可塑性エラストマー組成物により構成し、前記インナーライナー層の端部が前記ビードフィラーのタイヤ径方向外側端部よりタイヤ径方向内側に位置するようにしたことを特徴とする空気入りタイヤ。 - 前記カーカス層を単層構造とすると共に、前記カーカス層の巻き上げ端をタイヤ最大幅位置よりタイヤ径方向内側かつ前記ビードフィラーのタイヤ径方向外側端部よりタイヤ径方向外側に配置したことを特徴とする請求項1に記載の空気入りタイヤ。
- 前記カーカス層の巻き上げ端をタイヤ最大幅位置からタイヤ径方向内側に10mm以上離間させると共に、前記ビードフィラーのタイヤ径方向外側端部からタイヤ径方向外側に10mm以上離間させたことを特徴とする請求項2に記載の空気入りタイヤ。
- 前記ビードフィラーの子午線方向断面における断面積を20〜90mm2 にすると共に、前記ビードフィラーの形状をタイヤ径方向外側端部に向かい先細りの形状にしたことを特徴とする請求項1,2又は3に記載の空気入りタイヤ。
- 前記インナーライナー層の端部を前記ビードフィラーのタイヤ径方向外側端部からタイヤ径方向内側に5〜20mm離間した位置に配置した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。
- サイドウォール部を形成するサイドゴム層の平均ゴム厚さを2.0〜3.5mmにした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。
- 前記ビードコアを1本のビードワイヤを環状に複数回巻回してなる1本巻き構造にすると共に、前記ビードコアの子午線方向断面における前記ビードワイヤの周回部分の相互間隔を0.3mm以下にした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。
- 前記ビードフィラーのタイヤ幅方向外側かつ前記カーカス層のタイヤ幅方向内側に、スチールコード又は有機繊維コードとゴムの複合材からなる補強層を設けたことを特徴とする請求項1〜7のいずれかに記載の空気入りタイヤ。
- サイドウォール部を形成するサイドゴム層のタイヤ最大幅位置を含むゴム部分の60℃におけるtanδを0.02〜0.10の範囲にしたことを特徴とする請求項1〜8のいずれかに記載の空気入りタイヤ。
- タイヤ断面幅SWとタイヤ最大ベルト幅BWとの関係が0.68≦BW/SW≦0.80であることを特徴とする請求項1〜9のいずれかに記載の空気入りタイヤ。
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JP2010257182A JP4915471B1 (ja) | 2010-11-17 | 2010-11-17 | 空気入りタイヤ |
PCT/JP2011/070103 WO2012066840A1 (ja) | 2010-11-17 | 2011-09-05 | 空気入りタイヤ |
US13/885,997 US20130240107A1 (en) | 2010-11-17 | 2011-09-05 | Pneumatic Tire |
CN201180055404.5A CN103221233B (zh) | 2010-11-17 | 2011-09-05 | 充气轮胎 |
DE112011103798T DE112011103798T9 (de) | 2010-11-17 | 2011-09-05 | Luftreifen |
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US (1) | US20130240107A1 (ja) |
JP (1) | JP4915471B1 (ja) |
CN (1) | CN103221233B (ja) |
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Cited By (5)
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JP2014111420A (ja) * | 2012-11-08 | 2014-06-19 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JP2014136514A (ja) * | 2013-01-17 | 2014-07-28 | Bridgestone Corp | 空気入りタイヤ |
US10017012B2 (en) | 2012-08-10 | 2018-07-10 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
JP2019209907A (ja) * | 2018-06-07 | 2019-12-12 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2019209904A (ja) * | 2018-06-07 | 2019-12-12 | 横浜ゴム株式会社 | 空気入りタイヤ |
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JP6069709B2 (ja) * | 2011-12-16 | 2017-02-01 | コンパニー ゼネラール デ エタブリッスマン ミシュラン | 空気入りタイヤ用トレッド |
JP5342670B2 (ja) * | 2012-04-25 | 2013-11-13 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP6604840B2 (ja) * | 2015-12-16 | 2019-11-13 | 株式会社ブリヂストン | タイヤ |
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JP6834922B2 (ja) * | 2017-12-01 | 2021-02-24 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP7031348B2 (ja) * | 2018-02-14 | 2022-03-08 | 横浜ゴム株式会社 | 空気入りタイヤ |
CN111971187B (zh) * | 2018-04-19 | 2022-10-14 | 横滨橡胶株式会社 | 充气轮胎 |
JP7163119B2 (ja) * | 2018-09-21 | 2022-10-31 | 横浜ゴム株式会社 | タイヤ用インナーライナーおよび空気入りタイヤ |
JP7163118B2 (ja) * | 2018-09-21 | 2022-10-31 | 横浜ゴム株式会社 | タイヤ用インナーライナーおよび空気入りタイヤ |
JP7135940B2 (ja) * | 2019-02-28 | 2022-09-13 | 横浜ゴム株式会社 | 空気入りタイヤ |
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JP2023077834A (ja) * | 2021-11-25 | 2023-06-06 | 住友ゴム工業株式会社 | 空気入りタイヤ |
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JPH02136303A (ja) * | 1988-11-15 | 1990-05-24 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
CA2045774C (en) * | 1990-07-05 | 2000-07-18 | Sumitomo Rubber Industries, Ltd. | Passenger radial tire |
JP3113374B2 (ja) * | 1992-03-10 | 2000-11-27 | 株式会社ブリヂストン | 空気入りラジアルタイヤ |
JP3229381B2 (ja) * | 1992-08-27 | 2001-11-19 | 横浜ゴム株式会社 | 空気入りラジアルタイヤ |
JP3213127B2 (ja) * | 1993-08-26 | 2001-10-02 | 株式会社ブリヂストン | 燃費にすぐれる空気入りラジアルタイヤ |
WO1996030220A1 (fr) * | 1995-03-24 | 1996-10-03 | The Yokohama Rubber Co., Ltd. | Pneumatique |
ID20252A (id) * | 1997-01-09 | 1998-11-12 | Sumitomo Rubber Ind | Ban pneumatik |
JP3391756B2 (ja) * | 1999-12-07 | 2003-03-31 | 住友ゴム工業株式会社 | 空気入りタイヤ |
US20090218024A1 (en) * | 2005-10-27 | 2009-09-03 | Exxonmobil Chemcaill Patents,Inc. | Construction comprising tie layer |
JP2008143314A (ja) * | 2006-12-08 | 2008-06-26 | Bridgestone Corp | 重荷重用空気入りタイヤ |
JP4107392B1 (ja) * | 2007-06-25 | 2008-06-25 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP5213160B2 (ja) * | 2007-11-29 | 2013-06-19 | 株式会社ブリヂストン | 空気入りタイヤ |
JP4346666B2 (ja) * | 2008-02-26 | 2009-10-21 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP5298668B2 (ja) * | 2008-07-02 | 2013-09-25 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP5277881B2 (ja) * | 2008-11-10 | 2013-08-28 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP5293098B2 (ja) * | 2008-11-10 | 2013-09-18 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP5493683B2 (ja) * | 2008-12-22 | 2014-05-14 | 横浜ゴム株式会社 | 空気入りタイヤ及びその製造方法 |
JP5304322B2 (ja) * | 2009-03-02 | 2013-10-02 | 横浜ゴム株式会社 | 小型トラック用空気入りラジアルタイヤ |
-
2010
- 2010-11-17 JP JP2010257182A patent/JP4915471B1/ja active Active
-
2011
- 2011-09-05 CN CN201180055404.5A patent/CN103221233B/zh not_active Expired - Fee Related
- 2011-09-05 WO PCT/JP2011/070103 patent/WO2012066840A1/ja active Application Filing
- 2011-09-05 DE DE112011103798T patent/DE112011103798T9/de not_active Expired - Fee Related
- 2011-09-05 US US13/885,997 patent/US20130240107A1/en not_active Abandoned
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US10017012B2 (en) | 2012-08-10 | 2018-07-10 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
DE112013002588B4 (de) | 2012-08-10 | 2022-10-13 | The Yokohama Rubber Co., Ltd. | Luftreifen |
JP2014111420A (ja) * | 2012-11-08 | 2014-06-19 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JP2014136514A (ja) * | 2013-01-17 | 2014-07-28 | Bridgestone Corp | 空気入りタイヤ |
JP2019209907A (ja) * | 2018-06-07 | 2019-12-12 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2019209904A (ja) * | 2018-06-07 | 2019-12-12 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP7135460B2 (ja) | 2018-06-07 | 2022-09-13 | 横浜ゴム株式会社 | 空気入りタイヤ |
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Also Published As
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US20130240107A1 (en) | 2013-09-19 |
WO2012066840A1 (ja) | 2012-05-24 |
CN103221233A (zh) | 2013-07-24 |
DE112011103798T9 (de) | 2013-12-24 |
CN103221233B (zh) | 2016-03-16 |
JP4915471B1 (ja) | 2012-04-11 |
DE112011103798T5 (de) | 2013-08-14 |
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