Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1995-05-31
1997-10-14
Johnstone, Adrienne C.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
57902, 152451, 152526, B60C 918, B60C 920
Patent
active
056767765
ABSTRACT:
A steel cord for reinforcing rubber articles comprises one wave-form or helical core steel filament and five to eight sheath steel filaments disposed around the core steel filament, the pitch Pc of the core steel filament is 3.0 dc/0.34.ltoreq.Pc.ltoreq.10.0 dc/0.34 (dc=diameter of steel core filament) and the core forming ratio Rc=Lc/dc (Lc is an amplitude of the wave or helix of the core steel filament) is within a particular range varying depending on the number of sheath steel filaments. A pneumatic tire contains a cross-belt reinforced with the above-mentioned steel cords where
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Bridgestone Corporation
Johnstone Adrienne C.
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