Wear-adaptable running tread

Details Wear-adaptable running tread Wear-adaptable running tread

2011-08-16

2011-08-16

Maki, Steven D (Department: 1747)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209170, C152SDIG020

Reexamination Certificate

active

07997315

ABSTRACT:
A rubber tread of a tire includes cavities spaced radially inwardly from a running surface of the tread when new. Each cavity includes an incision, and a groove communicating with a radially inner end of the incision when the tread is new. The incision has a radially outer generatrix following an undulating profile having an amplitude of at least 20% of a maximum height of the cavity. A width of the incision is not greater than 2.5 mm, and the groove width is greater than 2.5 mm.

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