Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1992-05-07
1994-09-06
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152DIG3, B60C 1111
Patent
active
053439147
ABSTRACT:
An all season pneumatic tire under the present invention has at the tread section two main grooves which divide the tread width into three tread regions and which are formed substantially, in circumferential direction and in continuation. The distance (GD) between the aforementioned two main grooves, when the maximum width of the tire is TW, is expressed as 0.2TW.ltoreq.GD.ltoreq.0.5TW. Further, the width (GW) of each major groove is expressed as 0.02TW.ltoreq.GW.ltoreq.0.07TW. Further, each of the aforementioned major groove has jogs (JW) shifted tread-width-wise by an amount the same as or smaller than the groove width (GW), said jog width (JW) being expressed as 0.5 mm.ltoreq.JW.ltoreq.GW, and is formed substantially, in circumferential direction, and in continuation.
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Ball Michael W.
Krawczyk Nancy T.
Sumitomo Rubber Industries Limited
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