Resilient tires and wheels – Tires – resilient – Patches
Patent
1977-04-04
1979-09-04
Peters, Jr., Joseph F.
Resilient tires and wheels
Tires, resilient
Patches
152353R, 152356R, B60C 902
Patent
active
041664914
ABSTRACT:
A pneumatic tire for a vehicle has a carcass made from cords with the ends of the cords turned up around the beads of the tire. The crown of the tire has a tread and a reinforcing breaking structure. The breaker structure has three layers of cords superimposed one over the other with the width of the inner most layer being larger than the width of the next adjacent layer. The cords in each of the inner most and next adjacent layers are parallel to each other and are inclined at an angle of about 10.degree. to 35.degree. with respect to the equatorial plane of the tire. The cords of the innermost layer are extended in one direction and cross those of the next adjacent layer. A third layer of cords is disposed between the tread and the said next adjacent layer. The cords in this third layer are of a textile material which will shrink with increase in temperature. The cords in the third layer are parallel to the equatorial plane of the tire and the width of the third layer is smaller than that of the said next adjacent layer. The sidewalls of the tire are reinforced with a layer of cords disposed axially outwardly from the carcass with one of its edges being disposed adjacent to the bead of the tire and axially outwardly from the turned up portion of the carcass. The other edge of the reinforcing structure in the sidewall is disposed between the third and the said next adjacent layers of the breaker structure. The cords in the reinforcing layer are inclined at an angle of 55.degree. to 15.degree. with the equatorial plane of the tire. The angle of inclination of the cords in this layer decreases as the fibers become more further removed from the edge of the structure which is adjacent to the bead.
REFERENCES:
patent: 2958360 (1960-11-01), Macklem et al.
patent: 3442315 (1969-05-01), Mirtain
patent: 3480065 (1969-11-01), Verdier
patent: 3480065 (1969-11-01), Verdier
patent: 3481386 (1969-12-01), Menell et al.
patent: 3612138 (1971-10-01), Ravenhall
patent: 3625271 (1971-12-01), Hutch
patent: 3783925 (1974-01-01), Boileau
patent: 3850219 (1974-11-01), Snyder
patent: 3853163 (1974-12-01), Mezzanotte et al.
patent: 4047551 (1977-09-01), Mezzanotte
Industrie Pirelli S.p.A.
Peters Jr. Joseph F.
Underwood D. W.
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