JP2020132056A - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- JP2020132056A JP2020132056A JP2019030872A JP2019030872A JP2020132056A JP 2020132056 A JP2020132056 A JP 2020132056A JP 2019030872 A JP2019030872 A JP 2019030872A JP 2019030872 A JP2019030872 A JP 2019030872A JP 2020132056 A JP2020132056 A JP 2020132056A
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- JP
- Japan
- Prior art keywords
- belt
- layer
- cord
- tire
- single wire
- 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.)
- Granted
Links
- 239000000835 fiber Substances 0.000 claims abstract description 46
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 22
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 41
- 239000011324 bead Substances 0.000 claims description 21
- 230000007423 decrease Effects 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920002302 Nylon 6,6 Polymers 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
- B60C9/2009—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords comprising plies of different materials
-
- 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
- B60C9/0042—Reinforcements made of synthetic materials
-
- 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
- B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
-
- 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
- B60C9/0064—Reinforcements comprising monofilaments
-
- 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
- B60C9/1821—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers comprising discrete fibres or filaments
-
- 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
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
-
- 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
- B60C2009/0071—Reinforcements or ply arrangement of pneumatic tyres characterised by special physical properties of the reinforcements
-
- 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
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2012—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers
- B60C2009/2016—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers comprising cords at an angle of 10 to 30 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2074—Physical properties or dimension of the belt cord
- B60C2009/2077—Diameters of the cords; Linear density 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2074—Physical properties or dimension of the belt cord
- B60C2009/2083—Density in width 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2074—Physical properties or dimension of the belt cord
- B60C2009/2093—Elongation of the reinforcements at break point
-
- 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
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
- B60C2009/2214—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre characterised by the materials of the zero degree ply cords
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18×8Jのホイールに組み付けて、試験車両(排気量3000cc)に装着し、空気圧を230kPaに設定し、速度30km/h〜100km/h(通常走行時)、速度100km/h〜270km/h(サーキット走行時)の2通りの条件で、操縦安定性について舗装路からなるテストコースにて5名のテストドライバーによる官能評価を行った。評価結果はそれぞれ従来例1の結果を3点(基準)とする5点法で採点し、5名のテストドライバーの点数の平均値を示した。この点数が大きいほど高速走行時の操縦安定性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18×8Jのホイールに組み付けて、内圧230kPaで酸素を封入し、室温60℃に保持されたチャンバー内に2週間保持した後、内部の酸素を解放し、内圧160kPaで空気を充填した。この前処理を施した試験タイヤを、ドラム表面が平滑な鋼製で直径1707mmのドラム試験機を用いて、周辺温度38±3℃、走行速度50km/hr、スリップ角0±3°、最大荷重の70±40%の変動条件下で、荷重とスリップ角を0.083Hzの矩形波で変動させて、100時間、5000km走行させた。走行後にタイヤを切開し、ベルト幅方向端部における幅方向へのセパレーション長さを測定した。評価結果は、従来例1の測定値の逆数を100とする指数で示した。この指数値が大きいほどセパレーション長さが小さく、ベルトエッジセパレーションに対する耐久性に優れることを意味する。指数値が「98」以上であれば従来レベルの良好な耐久性を維持したことを意味する。
2 サイドウォール部
3 ビード部
4 カーカス層
5 ビードコア
6 ビードフィラー
7 ベルト層
7C ベルトコード
8 ベルト補強層
CL タイヤ赤道
Claims (2)
- 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、前記一対のビード部間に装架された少なくとも1層のカーカス層と、前記トレッド部における前記カーカス層の外周側に配置された複数層のベルト層と、前記ベルト層の外周側に配置されたベルト補強層とを有する空気入りタイヤにおいて、
前記ベルト層を構成するベルトコードが、素線径が0.30mm以上0.45mm以下である単線ワイヤであり、
前記ベルト補強層を構成するベルト補強コードが、ポリエチレンテレフタレート繊維からなる有機繊維コードであり、前記ベルト補強コードの2.0cN/dtex負荷時の中間伸度が2.0%〜4.0%であることを特徴とする空気入りタイヤ。 - 前記単線ワイヤの素線径が0.33mm以上0.40mm以下で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。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019030872A JP6680373B1 (ja) | 2019-02-22 | 2019-02-22 | 空気入りタイヤ |
DE112019006708.7T DE112019006708B4 (de) | 2019-02-22 | 2019-12-12 | Luftreifen |
PCT/JP2019/048775 WO2020170573A1 (ja) | 2019-02-22 | 2019-12-12 | 空気入りタイヤ |
CN201980091963.8A CN113453913A (zh) | 2019-02-22 | 2019-12-12 | 充气轮胎 |
US17/310,682 US20220041017A1 (en) | 2019-02-22 | 2019-12-12 | Pneumatic tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019030872A JP6680373B1 (ja) | 2019-02-22 | 2019-02-22 | 空気入りタイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6680373B1 JP6680373B1 (ja) | 2020-04-15 |
JP2020132056A true JP2020132056A (ja) | 2020-08-31 |
Family
ID=70166464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019030872A Active JP6680373B1 (ja) | 2019-02-22 | 2019-02-22 | 空気入りタイヤ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220041017A1 (ja) |
JP (1) | JP6680373B1 (ja) |
CN (1) | CN113453913A (ja) |
DE (1) | DE112019006708B4 (ja) |
WO (1) | WO2020170573A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023037720A1 (ja) * | 2021-09-07 | 2023-03-16 | 横浜ゴム株式会社 | 空気入りタイヤ |
WO2023228464A1 (ja) * | 2022-05-26 | 2023-11-30 | 株式会社ブリヂストン | タイヤ |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023030712A (ja) * | 2021-08-24 | 2023-03-08 | 横浜ゴム株式会社 | 空気入りタイヤ |
EP4335661A1 (en) * | 2022-09-09 | 2024-03-13 | Sumitomo Rubber Industries, Ltd. | Tire |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001322404A (ja) * | 2000-05-12 | 2001-11-20 | Bridgestone Corp | 空気入りラジアルタイヤ |
JP2002046415A (ja) * | 2000-08-03 | 2002-02-12 | Bridgestone Corp | 空気入りラジアルタイヤ |
WO2013099248A1 (ja) * | 2011-12-26 | 2013-07-04 | 横浜ゴム株式会社 | 空気入りラジアルタイヤ |
JP2016203686A (ja) * | 2015-04-16 | 2016-12-08 | 株式会社ブリヂストン | 空気入りタイヤ |
JP2016203687A (ja) * | 2015-04-16 | 2016-12-08 | 株式会社ブリヂストン | 空気入りタイヤ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10203109A (ja) * | 1997-01-20 | 1998-08-04 | Yokohama Rubber Co Ltd:The | 空気入りラジアルタイヤ |
JPH11217005A (ja) * | 1997-11-26 | 1999-08-10 | Bridgestone Corp | 空気入りラジアルタイヤ |
JP4818495B2 (ja) | 1999-08-25 | 2011-11-16 | 株式会社ブリヂストン | ラジアルタイヤ |
JP2001354007A (ja) * | 2000-06-09 | 2001-12-25 | Sumitomo Rubber Ind Ltd | 空気入りラジアルタイヤ |
JP2004058727A (ja) * | 2002-07-25 | 2004-02-26 | Yokohama Rubber Co Ltd:The | 乗用車用空気入りラジアルタイヤ |
JP2005096121A (ja) * | 2003-09-22 | 2005-04-14 | Yokohama Rubber Co Ltd:The | 空気入りタイヤの製造方法及び空気入りタイヤ |
JP5280426B2 (ja) * | 2010-11-16 | 2013-09-04 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP6004045B1 (ja) * | 2015-05-27 | 2016-10-05 | 横浜ゴム株式会社 | 空気入りタイヤ |
-
2019
- 2019-02-22 JP JP2019030872A patent/JP6680373B1/ja active Active
- 2019-12-12 WO PCT/JP2019/048775 patent/WO2020170573A1/ja active Application Filing
- 2019-12-12 CN CN201980091963.8A patent/CN113453913A/zh not_active Withdrawn
- 2019-12-12 US US17/310,682 patent/US20220041017A1/en not_active Abandoned
- 2019-12-12 DE DE112019006708.7T patent/DE112019006708B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001322404A (ja) * | 2000-05-12 | 2001-11-20 | Bridgestone Corp | 空気入りラジアルタイヤ |
JP2002046415A (ja) * | 2000-08-03 | 2002-02-12 | Bridgestone Corp | 空気入りラジアルタイヤ |
WO2013099248A1 (ja) * | 2011-12-26 | 2013-07-04 | 横浜ゴム株式会社 | 空気入りラジアルタイヤ |
JP2016203686A (ja) * | 2015-04-16 | 2016-12-08 | 株式会社ブリヂストン | 空気入りタイヤ |
JP2016203687A (ja) * | 2015-04-16 | 2016-12-08 | 株式会社ブリヂストン | 空気入りタイヤ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023037720A1 (ja) * | 2021-09-07 | 2023-03-16 | 横浜ゴム株式会社 | 空気入りタイヤ |
WO2023228464A1 (ja) * | 2022-05-26 | 2023-11-30 | 株式会社ブリヂストン | タイヤ |
Also Published As
Publication number | Publication date |
---|---|
JP6680373B1 (ja) | 2020-04-15 |
DE112019006708T5 (de) | 2021-09-30 |
WO2020170573A1 (ja) | 2020-08-27 |
CN113453913A (zh) | 2021-09-28 |
US20220041017A1 (en) | 2022-02-10 |
DE112019006708B4 (de) | 2024-05-08 |
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