Title:
ABRASIVE GRAIN CONTAINING A FIRST FACE WITHOUT VERTICES AND A SECOND FACE WITH VERTICES
Document Type and Number:
WIPO Patent Application WO/2014/020075
Kind Code:
A8
Abstract:
The invention relates firstly to an abrasive grain (110) with a surface having at least a first face (120) with a first outline (121), and at least one second face (125) with a second outline (126). The first outline (121) does not contain any vertex, but the second outline (126) contains at least one vertex (127). The abrasive grain (110) may comprise a ceramic material, especially polycrystalline α-Al2O3. Additionally disclosed are collectives of abrasive grains (110), methods for producing abrasive grains (110), casting moulds, abrasive articles, methods for producing abrasive articles and methods for grinding a surface.
Inventors:
OLDENKOTTE MORITZ (DE)
HEJTMANN GEORG (DE)
LINDEMANN GERT (DE)
FUENFSCHILLING STEFAN (DE)
STEDILE PETRA (DE)
JENNI ADRIAN (CH)
PLESCHINGER TONY (RU)
HEJTMANN GEORG (DE)
LINDEMANN GERT (DE)
FUENFSCHILLING STEFAN (DE)
STEDILE PETRA (DE)
JENNI ADRIAN (CH)
PLESCHINGER TONY (RU)
Application Number:
PCT/EP2013/066105
Publication Date:
September 18, 2014
Filing Date:
July 31, 2013
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
International Classes:
C09K3/14; B24D3/14; C04B35/111
Download PDF: