Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1991-05-09
1992-05-26
Knable, Geoffrey L.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152DIG3, B60C 1101, B60C 1112
Patent
active
051158493
ABSTRACT:
A tire tread pattern for a radial ply heavy vehicle tire comprising at least two circumferentially extending continuous main tread grooves providing at each edge of the tread a shoulder rib characterized in that each shoulder rib comprises in its shoulder edge a narrow edge zone having, in cross section of the tire, a radial height at least 2 mm less than the ground engaging surface of the shoulder rib immediately adjacent to said edge zone and a junction zone between the edge zone and shoulder rib which is made flexible in both the transverse and circumferential directions by a series of circumferentially spaced narrow slots extending across the junction zone at an angle to the center line of the tread between 20 and 60 degrees, the slots having a width between 0.4 and 2.0 mm and the depth in the junction zone substantially the same as the main tread grooves.
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patent: 4480671 (1984-11-01), Giron
patent: 4705088 (1987-11-01), Ghilardi
patent: 4739812 (1988-04-01), Ogawa et al.
patent: 4756352 (1988-07-01), Ogawa et al.
patent: 4798236 (1989-01-01), Fujiwara
patent: 4878526 (1989-11-01), Ochiai
patent: 4905747 (1990-03-01), Ogawa
patent: 4926919 (1990-05-01), Hopkins et al.
Knable Geoffrey L.
Sumitomo Rubber Industries Ltd.
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