WO2009072420A1 - ランフラットタイヤ - Google Patents

ランフラットタイヤ Download PDF

Info

Publication number
WO2009072420A1
WO2009072420A1 PCT/JP2008/071373 JP2008071373W WO2009072420A1 WO 2009072420 A1 WO2009072420 A1 WO 2009072420A1 JP 2008071373 W JP2008071373 W JP 2008071373W WO 2009072420 A1 WO2009072420 A1 WO 2009072420A1
Authority
WO
WIPO (PCT)
Prior art keywords
carcass
run
tire
flat tire
flat
Prior art date
Application number
PCT/JP2008/071373
Other languages
English (en)
French (fr)
Inventor
Fumikazu Yamashita
Original Assignee
Sumitomo Rubber Industries, Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2007316105A external-priority patent/JP4635040B2/ja
Priority claimed from JP2007316106A external-priority patent/JP4635041B2/ja
Application filed by Sumitomo Rubber Industries, Ltd. filed Critical Sumitomo Rubber Industries, Ltd.
Publication of WO2009072420A1 publication Critical patent/WO2009072420A1/ja

Links

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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/0083—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the curvature of the tyre tread
    • 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
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
    • 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
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
    • B60C2017/0054—Physical properties or dimensions of the inserts
    • B60C2017/0063—Modulus; Hardness; Loss modulus or "tangens delta"

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

　　ランフラット耐久性を向上しつつ乗り心地を向上させる。 カーカス６と、タイヤ半径方向内、外２枚のベルトプライ７Ａ、７Ｂからなるベルト層７と、断面略三日月状のサイド補強ゴム層１１とを具えるランフラットタイヤ１であって、前記カーカス６は、タイヤ周方向に対して７０～９０度の角度で配列したカーカスコードをトッピングゴムで被覆したカーカスプライ６Ａからなるとともに、カーカスコードは、撚り係数Ｔが０．５０～０．７０のアラミド繊維コードからなる。また、ベルト層７とカーカス６との間に、硬度が７０度以上かつ損失正接ｔａｎδが０．１５以下のトレッド補強ゴム層９を具える。
PCT/JP2008/071373 2007-12-06 2008-11-26 ランフラットタイヤ WO2009072420A1 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007316105A JP4635040B2 (ja) 2007-12-06 2007-12-06 ランフラットタイヤ
JP2007-316105 2007-12-06
JP2007-316106 2007-12-06
JP2007316106A JP4635041B2 (ja) 2007-12-06 2007-12-06 ランフラットタイヤ

Publications (1)

Publication Number Publication Date
WO2009072420A1 true WO2009072420A1 (ja) 2009-06-11

Family

ID=40717602

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/071373 WO2009072420A1 (ja) 2007-12-06 2008-11-26 ランフラットタイヤ

Country Status (1)

Country Link
WO (1) WO2009072420A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3135501A1 (en) * 2015-08-24 2017-03-01 Sumitomo Rubber Industries, Ltd. Airless tire
CN111422010A (zh) * 2020-03-26 2020-07-17 万达集团股份有限公司 一种失压状况下防失控轮胎
WO2021217000A1 (en) * 2020-04-24 2021-10-28 Otr Wheel Engineering, Inc. Tire and wheel assembly for machine
EP4026706A1 (en) * 2021-01-07 2022-07-13 Sumitomo Rubber Industries, Ltd. Pneumatic tire

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0825923A (ja) * 1994-07-15 1996-01-30 Sumitomo Rubber Ind Ltd 安全タイヤ
JP2002012004A (ja) * 2000-06-28 2002-01-15 Sumitomo Rubber Ind Ltd 空気入りタイヤ
JP2004299639A (ja) * 2003-04-01 2004-10-28 Yokohama Rubber Co Ltd:The 空気入りタイヤ
JP2004359145A (ja) * 2003-06-06 2004-12-24 Bridgestone Corp ランフラットタイヤ
JP2005219512A (ja) * 2004-02-03 2005-08-18 Yokohama Rubber Co Ltd:The 空気入りタイヤ
JP2005297954A (ja) * 2004-04-06 2005-10-27 Goodyear Tire & Rubber Co:The 空気入りランフラットタイヤ
JP2007069890A (ja) * 2005-08-08 2007-03-22 Sumitomo Rubber Ind Ltd ランフラットタイヤ
JP2007161071A (ja) * 2005-12-13 2007-06-28 Sumitomo Rubber Ind Ltd ランフラットタイヤ
JP2007302097A (ja) * 2006-05-10 2007-11-22 Sumitomo Rubber Ind Ltd 空気入りタイヤ
WO2008149725A1 (ja) * 2007-06-01 2008-12-11 Sumitomo Rubber Industries, Ltd. 空気入りタイヤ

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0825923A (ja) * 1994-07-15 1996-01-30 Sumitomo Rubber Ind Ltd 安全タイヤ
JP2002012004A (ja) * 2000-06-28 2002-01-15 Sumitomo Rubber Ind Ltd 空気入りタイヤ
JP2004299639A (ja) * 2003-04-01 2004-10-28 Yokohama Rubber Co Ltd:The 空気入りタイヤ
JP2004359145A (ja) * 2003-06-06 2004-12-24 Bridgestone Corp ランフラットタイヤ
JP2005219512A (ja) * 2004-02-03 2005-08-18 Yokohama Rubber Co Ltd:The 空気入りタイヤ
JP2005297954A (ja) * 2004-04-06 2005-10-27 Goodyear Tire & Rubber Co:The 空気入りランフラットタイヤ
JP2007069890A (ja) * 2005-08-08 2007-03-22 Sumitomo Rubber Ind Ltd ランフラットタイヤ
JP2007161071A (ja) * 2005-12-13 2007-06-28 Sumitomo Rubber Ind Ltd ランフラットタイヤ
JP2007302097A (ja) * 2006-05-10 2007-11-22 Sumitomo Rubber Ind Ltd 空気入りタイヤ
WO2008149725A1 (ja) * 2007-06-01 2008-12-11 Sumitomo Rubber Industries, Ltd. 空気入りタイヤ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3135501A1 (en) * 2015-08-24 2017-03-01 Sumitomo Rubber Industries, Ltd. Airless tire
CN111422010A (zh) * 2020-03-26 2020-07-17 万达集团股份有限公司 一种失压状况下防失控轮胎
WO2021217000A1 (en) * 2020-04-24 2021-10-28 Otr Wheel Engineering, Inc. Tire and wheel assembly for machine
EP4026706A1 (en) * 2021-01-07 2022-07-13 Sumitomo Rubber Industries, Ltd. Pneumatic tire

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