Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1988-03-01
1989-01-03
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152DIG3, B60C 1112
Patent
active
047949651
ABSTRACT:
In order to improve the wear life of a tread having elements in relief which are provided with numerous incisions, each element in relief which is defined by circumferential grooves and transverse grooves comprises an even number of incisions which have rectilinear traces on the surface of the tread and, in cross-section, broken line or undulated line traces, the mean axes of which are perpendicular to the surface of the tread, and in such manner that the trace of one incision is identical to the symmetrical trace, with respect to its mean axis, of the trace of a circumferentially adjacent incision.
REFERENCES:
patent: 3462328 (1969-08-01), Buckland
patent: 4298046 (1981-11-01), Herbelleau et al.
patent: 4598747 (1986-08-01), Flechtner
Ball Michael W.
Compagnie Generale Des Etablissements Michelin
Knable Geoffrey L.
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