JP2009279826A - 空気入りタイヤの製造方法 - Google Patents
空気入りタイヤの製造方法 Download PDFInfo
- Publication number
- JP2009279826A JP2009279826A JP2008133675A JP2008133675A JP2009279826A JP 2009279826 A JP2009279826 A JP 2009279826A JP 2008133675 A JP2008133675 A JP 2008133675A JP 2008133675 A JP2008133675 A JP 2008133675A JP 2009279826 A JP2009279826 A JP 2009279826A
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- JP
- Japan
- Prior art keywords
- tire
- powder
- liner layer
- pneumatic tire
- inner liner
- 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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Images
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0681—Parts of pneumatic tyres; accessories, auxiliary operations
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0681—Parts of pneumatic tyres; accessories, auxiliary operations
- B29D2030/0682—Inner liners
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Tyre Moulding (AREA)
Abstract
【解決手段】未加硫タイヤ又は加硫後のタイヤの内面に平均粒子径が1mm以下の熱可塑性樹脂または熱可塑性エラストマー組成物からなる粉体8を吹付けて付着させた後、タイヤ内面を加圧加熱して粉体8をタイヤの内面に熱融着させることによりインナーライナー層を形成する。
【選択図】図2
Description
(1)前記粉体の吹付けに先立って、あらかじめ前記未加硫タイヤの内面に接着剤を塗布しておく。
(2)前記粉体の吹付けに先立って、該粉体にあらかじめ粘着剤を配合しておく。
インナーライナー層を構成する粉体の材料として表1に掲げる配合による熱可塑性エラストマー組成物を2軸混練機を使用して混練し、得られたペレット(ヤング率:35MPa、空気透過率;1.8×10-11 cc・cm/cm2 ・sec・cmHg)を粉砕して平均粒子径を100μmとする粉体Aと、平均粒子径を2000μmとする粉体Bとをそれぞれ製造した。
タイヤサイズを165SR13、タイヤ構造を図1、インナーライナー層の製造仕様を除く全ての製造仕様を共通にして、インナーライナー層の製造仕様を以下のように異ならせた本発明タイヤ(実施例1〜4)及び比較タイヤ(比較例1、2)をそれぞれ30本作製した。なお、実施例1、2及び比較例1、2におけるタイヤの加硫条件を185℃×15分、圧力2.5MPaとし、実施例3、4におけるタイヤ内面の加圧加熱の条件を185℃×15分、圧力2.5MPaとした。
第1の発明により未加硫タイヤの内面にインナーライナー層を形成した。ここで、未加硫タイヤの内面にはあらかじめ接着剤としてフェノール樹脂系接着剤(ケムロック220)を塗布しておき、吹き付ける粉体として粉体Aを採用し、この粉体Aを市販の噴射機を使用して未加硫タイヤの内面に吹き付けた。
第1の発明により未加硫タイヤの内面にインナーライナー層を形成した。ここで、未加硫タイヤの内面にはあらかじめ接着剤としてフェノール樹脂系接着剤(ケムロック220)を塗布しておき、吹き付ける粉体としてあらかじめ粘着剤(パラフィン油)を配合した粉体Aを採用し、この粉体Aを市販の噴射機を使用して未加硫タイヤの内面に吹き付けた。
第2の発明により加硫後の空気入りタイヤの内面にインナーライナー層を形成した。ここで、加硫後の空気入りタイヤの内面にはあらかじめ接着剤としてフェノール樹脂系接着剤(ケムロック220)を塗布しておき、吹き付ける粉体として粉体Aを採用し、この粉体Aを市販の噴射機を使用して加硫後の空気入りタイヤの内面に吹き付けた。なお、空気入りタイヤの内面の加圧加熱は、加熱したブラダーをタイヤ内面に押し付けることによって行った。
第2の発明により加硫後の空気入りタイヤの内面にインナーライナー層を形成した。ここで、加硫後の空気入りタイヤの内面にはあらかじめ接着剤としてフェノール樹脂系接着剤(ケムロック220)を塗布しておき、吹き付ける粉体としてあらかじめ粘着剤(パラフィン油)を配合した粉体Aを採用し、この粉体Aを市販の噴射機を使用して未加硫タイヤの内面に吹き付けた。なお、空気入りタイヤの内面の加圧加熱は、加熱したブラダーをタイヤ内面に押し付けることによって行った。
第1の発明により未加硫タイヤの内面にインナーライナー層を形成した。ここで、未加硫タイヤの内面にはあらかじめ接着剤としてフェノール樹脂系接着剤(ケムロック220)を塗布しておき、吹き付ける粉体として粉体Bを採用し、この粉体Bを市販の噴射機を使用して未加硫タイヤの内面に吹き付けた。
表1に掲げる配合による熱可塑性エラストマー組成物を円筒状フィルムに成形し、この円筒状フィルムをインナーライナー層として成形ドラムに挿し込み、その上にタイヤ構成部材を組み込むことによって未加硫タイヤを成形した。
製造後の各タイヤの内面を目視により観察して、インナーライナー層に凹凸や穴あきなどの欠損が生じているか否かを調べた。
製造後の各タイヤにおけるインナーライナー層とタイヤ内面ゴムとの間に剥離が生じているか否かを調べた。
製造後の各タイヤをリム組み(サイズ:13×4.5J)し、空気圧150kPaを充填して、室内ドラム試験機(直径:1707mm)を使用して、室温38℃、負荷荷重5.8kN、速度80km/hの条件下で1万km走行させた。走行後のタイヤについて、インナーライナー層とタイヤ内面ゴムとの間に剥離が生じたか否かを調べた。
8 粉体
Claims (6)
- インナ−ライナ−層を除いて未加硫タイヤを成形した後,該未加硫タイヤの内面に平均粒子径が1mm以下の熱可塑性樹脂または熱可塑性エラストマー組成物からなる粉体を吹付け、次いで該未加硫タイヤを加硫することにより前記粉体を前記未加硫タイヤの内面に熱融着させてインナ−ライナ−層を形成する空気入りタイヤの製造方法。
- 前記粉体の吹付けに先立って、あらかじめ前記未加硫タイヤの内面に接着剤を塗布しておく請求項1に記載の空気入りタイヤの製造方法。
- 前記粉体の吹付けに先立って、該粉体にあらかじめ粘着剤を配合しておく請求項1又は2に記載の空気入りタイヤの製造方法。
- インナ−ライナ−層を除いて空気入りタイヤを加硫成形した後,加硫後の空気入りタイヤの内面に平均粒子径が1mm以下の熱可塑性樹脂または熱可塑性エラストマー組成物からなる粉体を吹付け、次いで該空気入りタイヤの内面を加圧加熱することにより前記粉体を前記空気入りタイヤの内面に熱融着させてインナ−ライナ−層を形成する空気入りタイヤの製造方法。
- 前記粉体の吹付けに先立って、あらかじめ前記空気入りタイヤの内面に接着剤を塗布しておく請求項4に記載の空気入りタイヤの製造方法。
- 前記粉体の吹付けに先立って、該粉体にあらかじめ粘着剤を配合しておく請求項4又は5に記載の空気入りタイヤの製造方法。
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JP2008133675A JP4968177B2 (ja) | 2008-05-21 | 2008-05-21 | 空気入りタイヤの製造方法 |
PCT/JP2009/059032 WO2009142148A1 (ja) | 2008-05-21 | 2009-05-15 | 空気入りタイヤの製造方法 |
US12/991,457 US8197897B2 (en) | 2008-05-21 | 2009-05-15 | Method of manufacturing pneumatic tire |
CN200980118173.0A CN102036809B (zh) | 2008-05-21 | 2009-05-15 | 充气轮胎的制造方法 |
EP09750510A EP2277688B1 (en) | 2008-05-21 | 2009-05-15 | Method of manufacturing pneumatic tire |
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ITMI20121613A1 (it) * | 2012-09-27 | 2014-03-28 | Pirelli | Metodo per il controllo della produzione di pneumatici per ruote di veicoli |
US9475090B2 (en) * | 2013-11-08 | 2016-10-25 | Sennco Solutions, Inc. | System and method for providing a reflective coating inside a tire |
US10399391B2 (en) | 2014-12-16 | 2019-09-03 | Triangle Tyre Co., Ltd. | Pneumatic tire having multiple built-in sealant layers and preparation thereof |
US11034188B2 (en) * | 2016-11-17 | 2021-06-15 | Bridgestone Americas Tire Operations, Llc | Pneumatic tire having reinforcing members and air barrier layer |
EP3541612B1 (en) * | 2016-11-17 | 2023-09-06 | Bridgestone Americas Tire Operations, LLC | Pneumatic tires with applied air barrier layers |
EP3573818A1 (en) | 2017-01-30 | 2019-12-04 | Bridgestone Americas Tire Operations, LLC | Air barrier material application systems and methods |
JP7008496B2 (ja) * | 2017-12-20 | 2022-02-10 | 株式会社ブリヂストン | タイヤ加硫用ブラダー及び空気入りタイヤ |
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JPH04212602A (ja) * | 1990-12-06 | 1992-08-04 | Yokohama Rubber Co Ltd:The | 応急用空気入りタイヤ及びその製造方法 |
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JPS5386777A (en) * | 1976-12-30 | 1978-07-31 | Sumitomo Rubber Ind | Method and apparatus for forming puncture protection layer on tire inner face |
JPH05318618A (ja) | 1992-03-17 | 1993-12-03 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ及びその製造法 |
JP3161661B2 (ja) * | 1993-01-08 | 2001-04-25 | 東海ゴム工業株式会社 | 積層構造ホースの製造方法 |
JPH0781306A (ja) | 1993-09-14 | 1995-03-28 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ及びその製造方法 |
JP3166495B2 (ja) * | 1994-07-12 | 2001-05-14 | 東海ゴム工業株式会社 | 積層構造ホース |
DE69637882D1 (de) * | 1995-01-27 | 2009-04-30 | Yokohama Rubber Co Ltd | Luftreifen und Verfahren zu seiner Herstellung |
JP2000051776A (ja) * | 1998-08-12 | 2000-02-22 | Yokohama Rubber Co Ltd:The | グリーンタイヤ内面への粉体塗布方法及びその装置 |
JP2001198503A (ja) * | 2000-01-19 | 2001-07-24 | Yokohama Rubber Co Ltd:The | グリーンタイヤ内面への粉体塗布方法及びその装置 |
DE112004000459B4 (de) * | 2003-04-14 | 2012-08-30 | The Yokohama Rubber Co., Ltd. | Verfahren zur Aufbringung eines Dichtungsmaterials |
US7459212B2 (en) * | 2003-12-25 | 2008-12-02 | The Yokohama Rubber Co., Ltd. | Layered thermoplastic-resin-elastomer/rubber product with improved weatherability and pneumatic tire made with the same |
JP4537806B2 (ja) * | 2004-08-31 | 2010-09-08 | 住友ゴム工業株式会社 | 空気入りタイヤ、及びその製造方法 |
CN100377895C (zh) * | 2007-01-12 | 2008-04-02 | 张海龙 | 耐扎、防弹、防漏安全轮胎及制造方法和所用防漏材料 |
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EP2277688A4 (en) | 2011-09-28 |
US8197897B2 (en) | 2012-06-12 |
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