PNEUMATIC TIRE

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PNEUMATIC TIRE

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UEDA MASAHIRO / NAKAMURA FUMIHIKO

A pneumatic tire includes: a belt layer including a belt cord is arranged; and a belt reinforcing layer in which an organic fiber cord is arranged, the organic fiber cord is a hybrid cord formed by twisting an aramid yarn and a nylon yarn together, and a ratio (Sr/Sc) of a rubber cross-sectional area (Sr) to a cord cross-sectional area (Sc) is 1.5 to 2.0, and a value obtained by dividing, by 1000, a sum of a product (A) of a load LASE5% (N) at 5% elongation of the organic fiber cord, a cord count (per 25 mm), and the number of belt reinforcing layers, and a product (B) of a load (N) at 0.5% elongation of the belt cord, cos θ in which a belt angle is defined as θ, a cord count (per inch), and the number of belt layers is 11 or more.

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Document information

Title :

PNEUMATIC TIRE

Contributors:

UEDA MASAHIRO (author) / NAKAMURA FUMIHIKO (author)

Publication date :

2023-05-04

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

B60C VEHICLE TYRES , Fahrzeugreifen / D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS , Kräuseln oder Texturieren von Fasern, Fäden, Garnen oder Zwirnen