B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/126
B60C 11/06 (1985.01)
Patent
CA 1248858
ABSTRACT OF THE DISCLOSURE The tread-pattern presents a plurality of circumferential zig-zag grooves that divide the tread-band into a plurality of ribs, and a series of sipes which divide at least the axially inner ribs, into a plurality of blocks that are reciprocally locked, one with respect to the other, in the transversal direction. The above-said grooves, are comprised by an alternated succession of narrow notches and large elliptical shaped cavities, with the greater axis constituting one side of the zig-zag, with having the cross-section, the slant of the sidewalls and the base-profile, variable with continuity.
512347
Gowling Lafleur Henderson Llp
Pirelli Coordinamento Pneumatici S.p.a.
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