Protective ply for tire crown of three-dimensional structure

Details Protective ply for tire crown of three-dimensional structure Protective ply for tire crown of three-dimensional structure

1983-10-04

1985-06-18

Boland, Lois E.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152530, 152563, 139408, B60C 918

Patent

active

045236194

ABSTRACT:
A tire with a crown comprising a strengthening reinforcement and at least one protective ply arranged above the strengthening reinforcement is characterized by the fact that the protective ply has the following features: it comprises a three-dimensional fabric impregnated with rubber; the fabric comprises warp threads and woof threads; the warp threads and the woof threads undulate; the warp threads and the woof threads are made with one or more materials whose rupture stress is less than 140 kg/mm.sup.2 ; and the porosity of the fabric before impregnation with rubber varies from 60% to 90%.

REFERENCES:
patent: 876616 (1908-01-01), Zeglen
patent: 3774662 (1973-11-01), Neville et al.
patent: 3900062 (1975-08-01), Neville et al.
patent: 4050973 (1977-09-01), Neville et al.

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