JPS5488501A - Pneumatic tubeless tire - Google Patents

Pneumatic tubeless tire

Info

Publication number
JPS5488501A
JPS5488501A JP15508877A JP15508877A JPS5488501A JP S5488501 A JPS5488501 A JP S5488501A JP 15508877 A JP15508877 A JP 15508877A JP 15508877 A JP15508877 A JP 15508877A JP S5488501 A JPS5488501 A JP S5488501A
Authority
JP
Japan
Prior art keywords
bead
tire
chafer
layer
pneumatic tubeless
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
Application number
JP15508877A
Other languages
Japanese (ja)
Other versions
JPS5649764B2 (en
Inventor
Hideki Yokoyama
Masabumi Yoshihara
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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Priority to JP15508877A priority Critical patent/JPS5488501A/en
Publication of JPS5488501A publication Critical patent/JPS5488501A/en
Publication of JPS5649764B2 publication Critical patent/JPS5649764B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Tires In General (AREA)

Abstract

PURPOSE: To reduce the leakage of compressed air in a pneumatic tubeless tire and the separation of bead from the tire by specifying the structure at the bead toe portion of the tire.
CONSTITUTION: A tire body 1 is coated on the inside thereof with an air non- permeable inner linner 9 and on the outside thereof with a cladding rubber 10 of high flexibility along a carcass 8 forming a bead portion 4 of a pneumatic tubeless tire. The bead portion 4 is disposed at the region making contact with a tire rim flange with a hard rubber chafer 11 of 60° to 80° in Shore A hardness and at the bead toe portion 6 portion 6 thereof with a harder toe rubber layer 12 than the chafer 11, of 70° to 95° in Shore hardness, which layer 12 joined to both the liner 9 and the chafer 11 to thus form a wedge shape supported entirely by a bead wire 7. Further, the layer 12 is partially enclosed on the surface thereof with organic fibrous plain woven cloth 13 of 840d/filament. Even if the tire body 1 bears the side thrust, it can thus reduce the region making contact with the flange between the bead seat of the rim and the bead toe portion 6 so as to eliminate excessive decrease of the surface pressure in order to perform the initial purpose.
COPYRIGHT: (C)1979,JPO&Japio
JP15508877A 1977-12-24 1977-12-24 Pneumatic tubeless tire Granted JPS5488501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15508877A JPS5488501A (en) 1977-12-24 1977-12-24 Pneumatic tubeless tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15508877A JPS5488501A (en) 1977-12-24 1977-12-24 Pneumatic tubeless tire

Publications (2)

Publication Number Publication Date
JPS5488501A true JPS5488501A (en) 1979-07-13
JPS5649764B2 JPS5649764B2 (en) 1981-11-25

Family

ID=15598379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15508877A Granted JPS5488501A (en) 1977-12-24 1977-12-24 Pneumatic tubeless tire

Country Status (1)

Country Link
JP (1) JPS5488501A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59216710A (en) * 1983-05-26 1984-12-06 Bridgestone Corp Pneumatic tire
WO2002030690A1 (en) * 2000-10-10 2002-04-18 Societe De Technologie Michelin Tire bead with soft heel
JP2013022981A (en) * 2011-07-15 2013-02-04 Sumitomo Rubber Ind Ltd Pneumatic tire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59216710A (en) * 1983-05-26 1984-12-06 Bridgestone Corp Pneumatic tire
WO2002030690A1 (en) * 2000-10-10 2002-04-18 Societe De Technologie Michelin Tire bead with soft heel
JP2013022981A (en) * 2011-07-15 2013-02-04 Sumitomo Rubber Ind Ltd Pneumatic tire

Also Published As

Publication number Publication date
JPS5649764B2 (en) 1981-11-25

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