Patent · US Active

Abrasive particle with at most three surfaces and one corner

US9914863B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Georg Hejtmann · Mundelsheim, DE
Petra Stedile · Eßlingen, DE
Stefan Fuenfschilling · Rielasingen-Worblingen, DE
Moritz Oldenkotte · Konstanz, DE
Thomas Rohner · Kefikon, CH
Donat Frei · Appenzell, CH
Adrian Jenni · Sankt Gallen, CH
Tony Pleschinger · Moscow, RU
Gert Lindemann · Lichtenstein, DE
Andreas Harzer · Schwieberdingen, DE

Key dates

Filing date	Jul 31, 2013
Grant date	Mar 13, 2018
Priority date	—
Expiry date	Nov 1, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2235/945
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

An abrasive particle includes at most three surfaces and at least one edge which has a corner at least one end. The abrasive particle may contain a ceramic material, particularly polycrystalline α-Al2O3. Abrasive particles as a whole, methods for producing abrasive particles, moulds, abrasive articles, methods for producing abrasive articles, and methods for abrading a surface are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.