Pneumatic radial tire with specified organic fiber carcass cords

Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube

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Details

152548, 152556, 152564, 428364, 428375, 428392, 428394, 428395, B60C 300, B60C 904, B60C 908, D02G 348

Patent

active

059066938

ABSTRACT:
An organic fiber cord for rubber reinforcement satisfies relationships of S1.gtoreq.2.5, S2.ltoreq.1.8 and S2.ltoreq.S1-2.0 wherein S1 and S2 are dry heat shrinkage factors under particular conditions in order to improve the durability and dimensional stability of rubber articles without the degradation of other properties in the rubber article. When such an organic fiber cord is applied to a carcass ply of a pneumatic radial tire, the tire durability and uniformity are considerably improved.

REFERENCES:
patent: 5238039 (1993-08-01), Nakajima
patent: 5370169 (1994-12-01), Nakajima

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