Pneumatic radial tires

Details Pneumatic radial tires Pneumatic radial tires

1986-03-07

1988-01-12

Czaja, Donald E.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

57902, 152527, B60C 918

Patent

active

047184701

ABSTRACT:
A pneumatic radial tire comprising a carcass of a radial structure and a belt superimposed about a crown portion of the carcass is disclosed. The belt is composed of at least one open-twisted steel cord layer formed by embedding open-twisted steel cords. Each cord is composed of 4-5 steel filaments and having an elongation of 0.2-0.7% under a load of 5 kg/cord and a twisting pitch of 8-16 mm, in a coating rubber having a 100% modulus of 30-70 kg/cm.sup.2.

REFERENCES:
patent: 2492352 (1949-12-01), Bourdon
patent: 3090189 (1963-05-01), Boussu et al.
patent: 3273978 (1966-09-01), Paul
patent: 3682222 (1972-08-01), Alderfer
patent: 4047552 (1977-09-01), Maeda et al.
patent: 4161203 (1979-07-01), Suzuki et al.
patent: 4258543 (1981-03-01), Canevari et al.
patent: 4333306 (1982-06-01), Yamashita et al.
patent: 4399853 (1983-08-01), Morimoto et al.
Research Disclosure No. 17015, Jun. 1978, disclosed anonymously.

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