JPS57191102A - Large sized pneumatic tire of bias construction - Google Patents

Large sized pneumatic tire of bias construction

Info

Publication number
JPS57191102A
JPS57191102A JP56074607A JP7460781A JPS57191102A JP S57191102 A JPS57191102 A JP S57191102A JP 56074607 A JP56074607 A JP 56074607A JP 7460781 A JP7460781 A JP 7460781A JP S57191102 A JPS57191102 A JP S57191102A
Authority
JP
Japan
Prior art keywords
layer
intermediate layer
cord
external
ratio
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.)
Pending
Application number
JP56074607A
Other languages
Japanese (ja)
Inventor
Ryuichi Nomura
Kenji Nakakura
Keishirou Shikita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Tire Corp
Original Assignee
Toyo Tire and Rubber Co 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
Application filed by Toyo Tire and Rubber Co Ltd filed Critical Toyo Tire and Rubber Co Ltd
Priority to JP56074607A priority Critical patent/JPS57191102A/en
Publication of JPS57191102A publication Critical patent/JPS57191102A/en
Pending legal-status Critical Current

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
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B60C9/06—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords extend diagonally from bead to bead and run in opposite directions in each successive carcass ply, i.e. bias angle ply
    • 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
    • B60C9/02—Carcasses
    • B60C2009/0269—Physical properties or dimensions of the carcass coating rubber
    • B60C2009/0284—Thickness

Landscapes

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

Abstract

PURPOSE:To equalize each display denier and prevent rubber exfoliation, by arranging twist ratio of cords between internal, external layer and intermediate layer, gap ratio of cords in an intermediate layer ply group, gap ratio of cords between laminated layer plies and ratio of gap ratios between internal, external layer and the intermediate layer to a specific value. CONSTITUTION:A carcass 1 is constituted by external layer, intermediate layer, internal layer ply groups to equalize each display denier and arrange a number of cord twists in external and internal layers 1.1-1.5 times the number of twists in an intermediate layer. Gap ratio A of cord in the same ply 6 or 7 in the intermediate layer is set to 0.5-1.5 and gap ratio B of cord between laminated layer plies 6 and 7 is set to 0.2-1.0, simultaneously cord gap ratio A in the same ply, forming external and internal layers, and cord gap ratio, between laminated layer plies, are set to 1.2-3.0 and 1.0-2.5 respectively for that of the intermediate layer. In this way, a rubber amount between cords is increased to reduce concentration of shearing stress, and exfoliation of rubber can be prevented.
JP56074607A 1981-05-18 1981-05-18 Large sized pneumatic tire of bias construction Pending JPS57191102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56074607A JPS57191102A (en) 1981-05-18 1981-05-18 Large sized pneumatic tire of bias construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56074607A JPS57191102A (en) 1981-05-18 1981-05-18 Large sized pneumatic tire of bias construction

Publications (1)

Publication Number Publication Date
JPS57191102A true JPS57191102A (en) 1982-11-24

Family

ID=13552021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56074607A Pending JPS57191102A (en) 1981-05-18 1981-05-18 Large sized pneumatic tire of bias construction

Country Status (1)

Country Link
JP (1) JPS57191102A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59132933U (en) * 1983-02-26 1984-09-06 株式会社ブリヂストン air spring diaphragm
US5335707A (en) * 1991-02-15 1994-08-09 Sumitomo Rubber Industries, Ltd. High speed heavy duty cross ply tire
US5547005A (en) * 1991-11-05 1996-08-20 Sumitomo Rubber Industries, Ltd. Radial tire with enhanced bead durability
WO2003061990A1 (en) 2002-01-22 2003-07-31 Bridgestone Corporation Pneumatic bias tire

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59132933U (en) * 1983-02-26 1984-09-06 株式会社ブリヂストン air spring diaphragm
JPS6330830Y2 (en) * 1983-02-26 1988-08-17
US5335707A (en) * 1991-02-15 1994-08-09 Sumitomo Rubber Industries, Ltd. High speed heavy duty cross ply tire
US5547005A (en) * 1991-11-05 1996-08-20 Sumitomo Rubber Industries, Ltd. Radial tire with enhanced bead durability
WO2003061990A1 (en) 2002-01-22 2003-07-31 Bridgestone Corporation Pneumatic bias tire
US7950431B2 (en) 2002-01-22 2011-05-31 Bridgestone Corporation Pneumatic bias tire

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