Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
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:
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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.
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patent: 4333306 (1982-06-01), Yamashita et al.
patent: 4399853 (1983-08-01), Morimoto et al.
Research Disclosure No. 17015, Jun. 1978, disclosed anonymously.
Kojima Koichi
Koyama Eiichi
Kusakabe Noboru
Morimoto Masaaki
Bridgestone Tire Company Limited
Czaja Donald E.
Hoch Ramon R.
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