Abrasive particle with at most three surfaces and one corner

US10717908B2 · kind B2 · utility

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: Jan 22, 2018
• Grant date: Jul 21, 2020
• Expiry date: May 7, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/945
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

An abrasive particle includes at most three surfaces and at least one edge which has a corner at 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.