Pneumatic tire profile

Details Pneumatic tire profile Pneumatic tire profile

1989-04-21

1990-12-11

Weston, Caleb

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152209R, B60C 304

Patent

active

049763008

ABSTRACT:
A pneumatic tire in which various tire performances, such as wear resistance, uneven wear resistance, fuel economy and the like are all improved in a good balance is disclosed, wherein
a first point gap LA defined as the radial distance between a standard first point An on the tire equator on the tread face Tn when the tire is inflated to a standard internal pressure and a 10% first point As on the tire equator on the tread face Ts when the tire is inflated to 10% of said standard internal pressure is smaller than 1.0 mm,
a third point gap LC defined as the radial distance between a standard third point Cn on said trade face Tn spaced apart 0.45 times of the tread width TWn from said standard first point An and a 10% third point Cs defined as the intersection of the radial line passing through said standard third point Cn with said tread face Ts is 1.0 mm or larger and smaller than 4.0 mm, and
the ratio LC/LA of said third point gap LC to said first point gap LA is 4.0 or larger.

REFERENCES:
patent: 4037637 (1977-07-01), Arimura et al.
patent: 4815511 (1989-03-01), Brayer et al.

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