Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1992-07-17
1994-07-12
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152DIG3, B60C 1112
Patent
active
053279530
ABSTRACT:
A pneumatic tire manufactured with a sector mold including of plural arc-shaped segments each having plural island rows of ribs or blocks in its tread portion and sipes formed in at least one island row. Among these sipes, a depth of a sipe located in the vicinity of a position of a tread surface corresponding to an edge of the arc-shaped segment is made shallower than that of a sipe located at a position other than the above position.
REFERENCES:
patent: 2779060 (1957-01-01), Knox
patent: 2848744 (1958-08-01), Crooker
patent: 3692090 (1972-09-01), Brobeck et al.
patent: 3999907 (1976-12-01), Pappas
patent: 4449560 (1984-05-01), Tansei et al.
patent: 4934424 (1990-06-01), Kojima
Ball Michael W.
Bridgestone Corporation
Krawczyk Nancy T.
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