Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1997-09-19
2000-09-19
Maki, Steven D.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
15220915, 15220924, 15220926, 15220927, 152DIG3, B60C 1103, B60C 1112, B60C 1113, B60C11100
Patent
active
061197459
ABSTRACT:
A pneumatic tire has a tread portion with one circumferential wide groove extending continuously in the circumferential direction. A centroid of the cross-section of the circumferential wide groove deviates from the tire's equatorial plane so as to divide the tread part into a narrow tread section and a broad tread section. One of the groove walls extends along a curve convexed outwardly in the tire radial direction from one of the bottom edges of the circumferential wide groove and is smoothly connected to the outer surface of the tread portion. When the tire is mounted on a regular rim, inflated with regular internal pressure and applied with a normal load, the groove width GW of the circumferential wide groove is defined to be not less than 35 mm and not more than 0.35 times the ground contact width TW of the tread part.
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patent: 5810953 (1998-09-01), Tanaka et al.
Boltze, New Ways to Combat Hydroplaning=Developing the Aqvacontact, May 1992.
Maki Steven D.
Sumitomo Rubber Industries Ltd.
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