Tires having a low absorption of rolling resistance for vehicle

Details Tires having a low absorption of rolling resistance for vehicle Tires having a low absorption of rolling resistance for vehicle

1986-06-06

1987-11-03

Ball, Michael

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1106

Patent

active

047037873

ABSTRACT:
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.

REFERENCES:
patent: 2322505 (1943-06-01), Bull
patent: 3559711 (1971-02-01), Schelkmann
patent: 3674076 (1972-07-01), Dailey
patent: 4462446 (1984-07-01), Goergen et al.
patent: 4484610 (1984-11-01), Wallet et al.

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