3+7+13 steel cord and tire including same

Details 3+7+13 steel cord and tire including same 3+7+13 steel cord and tire including same

1992-01-29

1994-02-15

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

57213, 57902, 152527, 152556, B60C 900, B60C 902, B60C 918, D07B 106

Patent

active

052858367

ABSTRACT:
A steel cord includes a core layer composed of three wires, an intermediate layer composed of seven wires, and an outer layer 12 composed of 13 wires. The space ratio of the intermediate layer is in the range from 25% to 34%. and the space ratio of the outer layer is in the range from 10% to 20%. A tire is manufactured by using the steel cord.

REFERENCES:
patent: 4158946 (1979-06-01), Bourgois
patent: 4608817 (1986-09-01), Brandyberry et al.

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