Belt reinforcing structure for a pneumatic tire

Details Belt reinforcing structure for a pneumatic tire Belt reinforcing structure for a pneumatic tire

B - Operations, Transporting

60

C

B60C 9/18 (2006.01) B60C 9/00 (2006.01) B60C 9/20 (2006.01) B60C 9/22 (2006.01) B60C 9/26 (2006.01)

Patent

CA 2272777

The belts of the reinforcing structure of a pneumatic tire are reinforced with high strength, light weight aramid cords having a linear density of 420 to 1100 dTex, said cords having a twist of 315 to 551 TPM (8 to 14 TPI). In alternative embodiments, overlay material may be incorporated into the belt reinforcing structure. The use of the high strength, lightweight cords reduces the material in the tire and makes possible a tire construction that has reduced gauge, less heat buildup, lighter weight and has improved handling properties and high speed properties. An illustrated embodiment of the tire has a belt reinforcing structure comprising a folded belt folded around a cut belt.

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