Abrasive disc

Details Abrasive disc Abrasive disc

B - Operations, Transporting

24

D

51/146

B24D 5/00 (2006.01) B24D 7/16 (2006.01)

Patent

CA 1195504

- 6 - ABSTRACT OF THE DISCLOSURE An abrasive disc comprising a bonded abrasive body having a substantially flat mounting surface, a plurality of anchoring means each including a cup shaped metallic washer having a flat top surface portion substantially flush with the flat mounting face and an annular outwardly inclined skirt portion embedded within the abrasive body, each washer including a first plurality of apertures in the skirt portion whereby integral portions of the bonded abrasive body extending therethrough lock the washer in position within the bonded abrasive, and a second plurality of apertures in the flat top surface portion for decreasing the metallic surface area of the washer bottom surfaces wherein bonded abrasive fills the second aperture means defining portions of the mounting surface of the abrasive disc.

404951

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