Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1989-09-26
1992-04-21
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152528, 152535, B60C 926, B60C 918
Patent
active
051058669
ABSTRACT:
A radial tire for motor cycles having a belt layer composed of a first belt ply B1, a second belt ply B2 and a third belt ply B3 with includes a respective base part of A1, A2 and A3 superimposed one upon another on a carcass. The first belt ply B1 has lateral skirts F folded radially outwardly at both lateral edges of the base part A1. The skirts F cover the lateral cut end of the second belt ply B2 and are overlapped with the third belt ply B3 so as to improve the adhesion to the tire rubber and the rigidity of the tread shoulder. Furthermore, the ratio BW/TW of the belt width BW to the tread width TW is set to be 0.75 or more, the ratio FW/TW of the skirt width FW to the tread width TW is set to be 0.01 to 0.35, and the ratio OW/FW of the overlapped width OW to the skirt width FW is set to be 0.7 or more.
REFERENCES:
patent: 4790364 (1988-12-01), Lobb et al.
patent: 4807681 (1989-02-01), Kadota
patent: 4854362 (1989-08-01), Carolla et al.
Ball Michael W.
Sumitomo Rubber Industries Ltd.
Wilber Gregory J.
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