Pneumatic tire for off-road vehicles

Details Pneumatic tire for off-road vehicles Pneumatic tire for off-road vehicles

1979-08-01

1984-03-27

Boland, Lois E.

Resilient tires and wheels

Tires, resilient

Patches

152354R, 152355, 152356R, 152359, 152360, 152361R, B60C 904, B60C 920

Patent

active

044387962

ABSTRACT:
A pneumatic tire for off-road vehicles comprising a reinforcing element composed of helically formed filaments and having an excellent side-cut resistant property is disclosed. The tire is provided at its side portion with a side portion reinforcing layer composed of at least one rubberized layer containing a reinforcing element embedded therein and formed of a helically formed filament or a bundle of at least two helically formed filaments assembled together without twisting at random. The filament is formed of a material having a tensile breaking strength of at least 140 kg/mm.sup.2. The reinforcing filament has an elongation at tensile breaking strength which is 0.15 to 1.7 times that of organic cord of a ply of a carcass body. The rubberized layer containing said reinforcing element embedded therein as a whole is extensible.

REFERENCES:
patent: 1818944 (1931-08-01), Darron
patent: 3090189 (1963-05-01), Boussu et al.
patent: 3392774 (1968-07-01), Le Bosse
patent: 3449199 (1969-06-01), Mead
patent: 3509930 (1970-05-01), Mirtain
patent: 3682222 (1972-08-01), Alderfer
patent: 3700012 (1972-10-01), Alderfer
patent: 3703203 (1972-11-01), Simpson
patent: 3980119 (1976-09-01), Nakasaki
patent: 3982580 (1976-09-01), Inoue et al.
patent: 4077454 (1978-03-01), Miyoshi et al.

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