B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/83.2
B60C 9/06 (2006.01) B60C 9/14 (2006.01) B60C 15/00 (2006.01) B60C 15/06 (2006.01)
Patent
CA 1104045
Abstract of the Disclosure A light tire body using thick cords is disclosed. The tire body comprises a bias-structured carcass composed of rubberized plies each including thick organic fiber cords. The rubber between the carcass plies has a thickness corresponding to hm/ho?0.5 where hm is an average rubber gauge between the plies at a center position in a widthwise direction of tire and ho is a diameter of the thick cord, and is prepared from a compounding recipe of at least one rubber ingredient: selected from natural rubber and diene rubbers, a softener, an organic vulcanization accelerator and sulfur as well as at least 30 wt.% of carbon black having an average iodine adsorption value of 40-90 mg/g and an average DBP absorption value of 60-140 m?/100 g, and has a dynamic modulus of elasticity E' at 100°C under 2% elongation given by E'?6.0x107 dyne/cm2, a dynamic loss angle tan.delta. given by tan.delta.?0.095 and a tensile strength of not less than 100 kg/cm2 as properties after vulcaniza- tion.
342314
Kita Toshio
Sakai Yoshihiro
Shimotake Munetoshi
Tanaka Ryosaku
Ueda Hiroshi
Bridgestone Tire Company Limited
Swabey Ogilvy Renault
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