Pneumatic tire

Details Pneumatic tire Pneumatic tire

2006-05-02

2006-05-02

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S454000, C152S532000

Reexamination Certificate

active

07036541

ABSTRACT:
A standard grounding surface shape F0becomes a maximum grounding length Lc at a tire equator C and becomes a shortest grounding length Lm between the tire equator C and a grounding edge TE. The shortest grounding length Lm is located in a region away from the tire equator C by a distance of 0.5 to 0.9 times of a tread half width TW. A rubber thickness t1between the carcass cord and the belt cord is gradually increased outward in the axial direction of the tire from the tire equator, and the rubber thickness t1in a half width position Q which is away from the tire equator by a distance of 0.55 times of the tread half width TW is set to 0.5 to 3.0 mm. A ratio t2q/t2cbetween a tread entire thickness t2cin the half width position Q and a tread entire thickness t2cin the tire equator is set to 1.01±0.05.

REFERENCES:
patent: 5647925 (1997-07-01), Sumiya et al.
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patent: 2000-71716 (2000-03-01), None
patent: 2000-177316 (2000-06-01), None

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