Three-dimensional tread sipes and mold blade for forming...

Details Three-dimensional tread sipes and mold blade for forming... Three-dimensional tread sipes and mold blade for forming...

2005-05-19

2008-12-23

Maki, Steven D (Department: 1791)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209230, C152SDIG020, C425S028100, C425S046000

Reexamination Certificate

active

07467652

ABSTRACT:
Both a mold blade for forming sipes and the sipe so formed in a tire tread element have three-dimensional portions. In the formed sipe, the three-dimensional portion creates a constant interlocking of the opposing sipe faces. The blade and the sipe have two radially adjacent rows of projections, wherein the projections are separated by a planar section, the planar section having a defined length and width.

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