JP2018034789A - 軽量化された航空機用タイヤ - Google Patents
軽量化された航空機用タイヤ Download PDFInfo
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- 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
- B60C9/2204—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 obtained by circumferentially narrow strip winding
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- 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
- B60C2009/2029—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 with different cords in the same layer, i.e. cords with different materials or dimensions
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- 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
- B60C2009/2048—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 special physical properties of the belt plies
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- 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
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Abstract
【解決手段】本発明の空気入りタイヤは、カーカスとベルト補強構造とを有し、前記ベルト補強構造は補強コードストリップを巻くことによって形成され、前記補強コードストリップは複数の第1の補強コードと前記補強コードストリップの各横端部上に配置された第2の補強コードとで形成され、前記補強コードストリップは三角形の外側横端部を有する。
【選択図】図3
Description
現在、高速度及び高荷重において動作することが可能な軽量の航空機用タイヤの開発が進められている。従来技術として、特許文献1に開示されている航空機用タイヤにおいてジグザグベルト層を使用することが知られている。ジグザグベルト層は、ベルトパッケージの外側横縁部に切断後のベルト縁部が残ることがなくなるという利点を有する。各ジグザグベルト層の固有の可撓性は、コーナリング力を向上させる助けにもなる。しかし、ジグザグベルト層を備えるタイヤは、各ベルト縁部における層の数が過剰になり、それによって、耐久性が低下する場合がある。さらに、概して積載量と重量は両立しない。したがって、高速度及び高荷重において動作することが可能であり、重量が低い、改良された航空機用タイヤが必要である。
航空機用タイヤ10は、少なくとも1つのジグザグベルト補強構造70をさらに有している。図2に示されているように、本発明のジグザグベルト構造は、タイヤ組立てドラム49又はコアの左右の縁部間を互い違いに延びるように概ね周方向に巻かれたゴム入りストリップコード43から形成されている。コードストリップ43は、ジグザグ経路に沿って何度も巻かれ、その間、隣接するコードストリップ43との間に隙間を形成しないように軸線方向に所望の量ずらされる。その結果、各コードは、各横方向ドラム端部の所の折返し点において曲げ方向を変化させつつ周方向に延びる。ジグザグベルト構造の各コードは、通常タイヤの赤道面EPに対して5度〜30度のコード角Aで互いに交叉している。各ジグザグベルト構造は通常、ジグザグベルト構造内に形成された少なくとも2層のコードを有しており、ベルト構造の外側横端部に切断後の端部が残らないという利点を有している。
ベルトパッケージ
Claims (20)
- カーカスとベルト補強構造とを有し、前記ベルト補強構造は補強コードストリップを巻くことによって形成され、前記補強コードストリップは複数の第1の補強コードと前記補強コードストリップの各横端部上に配置された第2の補強コードとで形成され、前記補強コードストリップは三角形の外側横端部を有する、
空気入りタイヤ。 - 前記第1の補強コードは、前記第2の補強コードよりも高い弾性率の素材により形成されている、
請求項1に記載の空気入りタイヤ。 - 前記第1の補強コードは、前記第2の補強コードよりも大きい直径を有する、
請求項1に記載の空気入りタイヤ。 - 前記第1の補強コードは、5000MPAよりも大きい80%破断時の接線係数を有する、
請求項1に記載の空気入りタイヤ。 - 前記第2の補強コードは、5000MPAよりも大きい80%破断時の接線係数を有する、
請求項1に記載の空気入りタイヤ。 - 前記第1の補強コードは、35000MPAよりも小さい80%破断時の接線係数を有する、
請求項1に記載の空気入りタイヤ。 - 1つのストリップ内に少なくとも2つの第2の補強コードが設けられ、それぞれの第2の補強コードは前記補強コードストリップの各横端部に配置されている、
請求項1に記載の空気入りタイヤ。 - 前記第1の補強コードは、アラミド及びナイロンで構成されるフィラメントによって形成されている、
請求項1に記載の空気入りタイヤ。 - 前記第1の補強コードは、アラミドフィラメントによって形成されている、
請求項1に記載の空気入りタイヤ。 - 前記第2の補強コードは、ナイロンフィラメントによって形成されている、
請求項1に記載の空気入りタイヤ。 - 前記第2の補強コードは、840/2デニールのナイロンフィラメントによって形成されている、
請求項1に記載の空気入りタイヤ。 - 前記補強コードストリップは、少なくとも9つの補強コードを有する、
請求項1に記載の空気入りタイヤ。 - 前記補強コードストリップは、約1.27cmの幅を有する、
請求項1に記載の空気入りタイヤ。 - 前記補強コードストリップは、長さ2.54cm当たりの端部数が16である、
請求項1に記載の空気入りタイヤ。 - 前記補強コードストリップは、長さ2.54cm当たりの端部数が18である、
請求項1に記載の空気入りタイヤ。 - 前記ベルトは、ジグザグベルトである、
請求項1に記載の空気入りタイヤ。 - 前記ベルトは、らせん状に巻かれたベルトである、
請求項1に記載の空気入りタイヤ。 - カーカスとベルト補強構造とを有し、前記ベルト補強構造は補強コードストリップを巻くことによって形成され、前記補強コードストリップは複数の第1の補強コードと前記補強コードストリップの各横端部上に配置された第2の補強コードとで形成され、前記第1の補強コードのうちの少なくとも1つは前記第2の補強コードよりも大きい直径を有する、
空気入りタイヤ。 - 前記補強コードストリップは、三角形の外側横端部を有する、
請求項18に記載の空気入りタイヤ。 - 前記第1の補強コードは、前記第2の補強コードよりも高い弾性率の素材により形成されている、
請求項18に記載の空気入りタイヤ。
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JP7155768B2 (ja) * | 2018-09-06 | 2022-10-19 | 横浜ゴム株式会社 | 空気入りタイヤ及び空気入りタイヤの製造方法 |
US20210380229A1 (en) * | 2019-11-19 | 2021-12-09 | The Goodyear Tire & Rubber Company | Reduced weight aircraft tire |
US20220305847A1 (en) * | 2021-03-29 | 2022-09-29 | The Goodyear Tire & Rubber Company | Shear band construction |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005193896A (ja) * | 2003-12-29 | 2005-07-21 | Goodyear Tire & Rubber Co:The | 航空機用空気入りタイヤ |
JP2010208090A (ja) * | 2009-03-09 | 2010-09-24 | Toyo Tire & Rubber Co Ltd | プライ部材の製造方法、短冊状プライ及び空気入りタイヤ |
JP2012001206A (ja) * | 2010-06-11 | 2012-01-05 | Goodyear Tire & Rubber Co:The | 軽量の航空機用タイヤ |
JP2016022949A (ja) * | 2014-07-22 | 2016-02-08 | ザ・グッドイヤー・タイヤ・アンド・ラバー・カンパニーThe Goodyear Tire & Rubber Company | 航空機用の軽量タイヤ |
JP2017047890A (ja) * | 2015-08-31 | 2017-03-09 | ザ・グッドイヤー・タイヤ・アンド・ラバー・カンパニーThe Goodyear Tire & Rubber Company | 軽量化された航空機用タイヤ |
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US4155394A (en) | 1977-08-29 | 1979-05-22 | The Goodyear Tire & Rubber Company | Tire cord composite and pneumatic tire |
US4893665A (en) * | 1988-02-17 | 1990-01-16 | The Goodyear Tire & Rubber Company | Cables for reinforcing deformable articles and articles reinforced by said cables |
EP0463273B1 (en) * | 1990-06-23 | 1995-03-29 | The Goodyear Tire & Rubber Company | Radial ply tire |
JP3126516B2 (ja) | 1991-10-29 | 2001-01-22 | 株式会社ブリヂストン | 航空機用ラジアルタイヤ |
US6634398B1 (en) * | 1999-04-22 | 2003-10-21 | The Goodyear Tire & Rubber Company | Chip resistance tire |
US6571847B1 (en) | 2002-01-24 | 2003-06-03 | The Goodyear Tire & Rubber Company | Light weight alloy bead core |
US6799618B2 (en) * | 2002-12-18 | 2004-10-05 | The Goodyear Tire & Rubber Company | Pneumatic tire having an overlay reinforcement |
US8479793B2 (en) * | 2006-12-26 | 2013-07-09 | Bridgestone Corporation | Pneumatic tire |
EP2222480B1 (en) * | 2007-10-24 | 2011-07-27 | Pirelli Tyre S.P.A. | Tire having a structural element reinforced with a hybrid yarn |
CN105073397A (zh) * | 2013-03-06 | 2015-11-18 | 倍耐力轮胎股份公司 | 用于构建用于车辆车轮的轮胎的处理、用于车辆车轮的轮胎和用于优化轮胎的胎体结构中的载荷分布的方法 |
-
2017
- 2017-08-09 US US15/672,342 patent/US20180056724A1/en not_active Abandoned
- 2017-08-29 EP EP17188429.9A patent/EP3290232B1/en active Active
- 2017-08-30 JP JP2017165065A patent/JP6998705B2/ja active Active
- 2017-08-31 CN CN201710770391.9A patent/CN107791749B/zh active Active
Patent Citations (5)
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JP2005193896A (ja) * | 2003-12-29 | 2005-07-21 | Goodyear Tire & Rubber Co:The | 航空機用空気入りタイヤ |
JP2010208090A (ja) * | 2009-03-09 | 2010-09-24 | Toyo Tire & Rubber Co Ltd | プライ部材の製造方法、短冊状プライ及び空気入りタイヤ |
JP2012001206A (ja) * | 2010-06-11 | 2012-01-05 | Goodyear Tire & Rubber Co:The | 軽量の航空機用タイヤ |
JP2016022949A (ja) * | 2014-07-22 | 2016-02-08 | ザ・グッドイヤー・タイヤ・アンド・ラバー・カンパニーThe Goodyear Tire & Rubber Company | 航空機用の軽量タイヤ |
JP2017047890A (ja) * | 2015-08-31 | 2017-03-09 | ザ・グッドイヤー・タイヤ・アンド・ラバー・カンパニーThe Goodyear Tire & Rubber Company | 軽量化された航空機用タイヤ |
Also Published As
Publication number | Publication date |
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JP6998705B2 (ja) | 2022-01-18 |
CN107791749A (zh) | 2018-03-13 |
US20180056724A1 (en) | 2018-03-01 |
CN107791749B (zh) | 2021-06-29 |
EP3290232A1 (en) | 2018-03-07 |
EP3290232B1 (en) | 2020-02-05 |
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