Patent ID: 6582289
Filing Date: 2003-06-24
Classification: B24D

Abstract:
Flap disc having a backing plate with a peripheral zone and lamellae with pairs of spaced apart opposing longitudinal side edges, the lamellae being arranged about and attached on one side of the backing plate successively around the peripheral zone thereof such that one longitudinal side edge of each lamella overlaps the other longitudinal side edge of the next lamella so as to provide the lamellae in an overlapping roof tiles type configuration on the peripheral zone of the backing plate characterized in that the lamellae (10) include first lamellae (12), comprising a backing (14), a base bonding coat (15) applied to the backing (14), a layer of abrasive grain (16) deposited over the base bonding coat (15), and a size coat (18) over the layer of deposited abrasive grain (16), and a second lamellae (20), comprising a backing (22) and a layer (24) with grinding active fillers applied to the backing (22).