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US 11,667,010 B2Granted
Abrasive flap disc
AssigneePPM, Inc.
InventorGerd Eisenblaetter
Life of this patent
Estimating the term…
Abstract
An abrasive flap disc having improved properties with respect to production and grinding behavior combines an abrasive grit having a special grit mixture having 25% to 75% (high-performance ceramic) zirconium dioxide and of 25% to 75% aluminum oxide and a number of abrasive lamellae per abrasive flap disc in the range between 30 and 46.
Claims19
An abrasive flap disc comprising:
- a carrier plate and abrasive lamellae which are arranged on the carrier plate around a central opening, and are made of an abrasive fabric comprising a base fabric and abrasive grit applied to the base fabric, a diameter of the abrasive flap disc being in a range of between 110 mm and 130 mm and the abrasive lamellae having a rectangular shape,
- wherein the abrasive grit is a grit mixture, wherein the grit mixture of the abrasive grit comprises 70% to 75% zirconium dioxide and of 25% to 30% aluminum oxide based on a total amount of the grit mixture,
- the number of the abrasive lamellae is between 30 and 46, and
- the abrasive lamellae have a width in a range between 24 mm and 30 mm.
1 more element
Dependencies are inferred from the claim text.