Pneumatic radial tire having an excellent side-cut resistant pro

Details Pneumatic radial tire having an excellent side-cut resistant pro Pneumatic radial tire having an excellent side-cut resistant pro

1982-09-09

1984-03-13

Boland, Lois E.

Resilient tires and wheels

Tires, resilient

Patches

152354R, 152355, 152356R, 152359, 152357R, 152360, 152356A, B60C 904, B60C 908, B60C 914

Patent

active

044361300

ABSTRACT:
A pneumatic radial tire having an excellent side-cut resistant property is disclosed. The radial tire comprises at least one extensible and compressible rubberized side portion reinforcing layer arranged at that area of a side portion of the tire which is inclusive of at least maximum cross-section position of the carcass and each containing a reinforcing element embedded therein and composed of helically formed filaments or at least 2 bundles each formed by merely assembling together the helically formed filaments without twisting at random. The helically formed filament is formed of a material having a tensile breaking strength of at least 140 kg/mm.sup.2. The reinforcing element has an elongation at tensile breaking strength which is at least 1.2 times larger than that of a metal cord of a radial carcass.

REFERENCES:
patent: 3090189 (1963-05-01), Boussu et al.
patent: 3392774 (1968-07-01), Le Bosse
patent: 3449199 (1969-06-01), Mead
patent: 3682222 (1972-08-01), Alderfer
patent: 3700012 (1972-10-01), Alderfer
patent: 3703203 (1972-11-01), Simpson
patent: 3961657 (1976-06-01), Chrobak
patent: 3980119 (1976-09-01), Nakasaki
patent: 3982580 (1976-09-01), Inoue et al.
patent: 4077454 (1978-03-01), Miyoshi et al.
patent: 4215735 (1980-08-01), Sato

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