Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2006-12-26
2006-12-26
Maki, Steven D. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209220, C152S209230, C152S209270
Reexamination Certificate
active
07152641
ABSTRACT:
A heavy-duty pneumatic tire designed to suppress the occurrence of heel-and-toe wear in the shoulder blocks while maintaining good drainage and traction performance through the final stage of the wear life. In this heavy-duty pneumatic tire, whose shoulder portion is divided into a plurality of shoulder blocks in the tire circumferential direction, and wherein the depth of the lug groove between each two adjacent of the shoulder blocks is set to be equal to the depth of main the grooves, a non-contact rib is provided, in a serial configuration in the tire circumferential direction, to a buttress portion outside a ground contact width, so as to come into contact with the side faces of the shoulder blocks in the state that the tire is in contact with the ground with a specified inflation pressure and a specified load.
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patent: 5660652 (1997-08-01), Young et al.
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patent: 11-34614 (1999-02-01), None
patent: 2003-341305 (2003-12-01), None
Maki Steven D.
Rader & Fishman & Grauer, PLLC
The Yokohama Rubber Co. Ltd.
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