Disc brake braking band and disc for a disc brake

Brakes – Elements – Brake wheels

Reexamination Certificate

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Reexamination Certificate

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07097006

ABSTRACT:
A braking band for a disc-brake disc includes opposed annular braking surfaces which extend from an inner edge facing towards the axis of rotation to an outer edge facing towards the outside of the disc. The braking band has a uniform distribution of grooves having a pattern or module that is repeated circumferentially in a manner such that the distribution is circumferentially uniform. According to an example embodiment, each of the grooves is closed and extends along a predominant line of extent defining an axis. The module extends from an inner radius to an outer radius which define an annular portion. The module further includes a first groove extending from the inner radius to the outer radius, a second groove, and a third groove that are shorter than the first groove. The axes of the second groove and of the third groove have an opposite inclination to the axis of the first groove.

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