JPS5488501A - Pneumatic tubeless tire - Google Patents
Pneumatic tubeless tireInfo
- 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
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
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)
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 |
-
1977
- 1977-12-24 JP JP15508877A patent/JPS5488501A/en active Granted
Cited By (3)
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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