Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1989-04-14
1992-05-05
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152532, 152534, 152527, B60C 900, B60C 918
Patent
active
051099063
ABSTRACT:
A tire for a motorcycle having an arcuate shaped cross-section with a height to width ratio between 0.20 and 0.35 and a carcass reinforcing structure having first and second strips. The first strip is made up of mutually parallel cords having a thickness not exceeding 80 cords/dm at an angle between 22.degree. and 35.degree. to the equatorial plane. The second (radial outer) strip also has mutually parallel cords but these cords, as compared with those of the first strip, have less thickness, a lower elasticity modulus and are at an angle between 18.degree. and 30.degree. and in the opposite sense with respect to the tire equatorial plane.
REFERENCES:
patent: 3656533 (1972-04-01), Barassi et al.
patent: 3690364 (1972-09-01), Barassi et al.
patent: 3874436 (1975-04-01), Hashida et al.
patent: 4140168 (1979-02-01), Coretta
patent: 4184530 (1980-01-01), Mirtain
patent: 4770222 (1988-09-01), Mezzanotte
Ball Michael W.
Pirelli Coordinamento Pneumatici S.p.A.
Wilber Gregory J.
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