Metal cords and pneumatic tires using the same

Details Metal cords and pneumatic tires using the same Metal cords and pneumatic tires using the same

1987-06-09

1989-06-06

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

57212, 57902, 152527, D02G 0348, B60C 0918

Patent

active

048362620

ABSTRACT:
A metal cord is constructed by twisting three metal filaments in the same direction, and satisfies Lmax.gtoreq.1.05d, Lmin.gtoreq.1d and Lmax/Lmin.gtoreq.1.05 (Lmax : center distance between longest separated metal filaments, Lmin : center distance between shortest separated metal filaments, d : diameter of metal filament), and has specified twisting pitch and elongation under a load of 5 kg/cord. A pneumatic tire comprises a belt composed of plural belt layers each containing the above metal cords arranged at a given inclination angle with respect to the circumferential direction of the tire.

REFERENCES:
patent: 3598165 (1971-08-01), Hanus
patent: 4020887 (1977-05-01), Vlasov et al.
patent: 4047552 (1977-09-01), Maeda et al.
patent: 4333306 (1982-06-01), Yamashita et al.
patent: 4399853 (1983-08-01), Morimoto et al.
patent: 4464892 (1984-08-01), Kleijwegt
patent: 4506500 (1985-03-01), Miyauchi et al.
patent: 4738096 (1988-04-01), Hatakeyama et al.

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