EP 2205396 A4 20130116 - METHOD AND GRINDING APPLIANCE FOR GRINDING
Title (en)
METHOD AND GRINDING APPLIANCE FOR GRINDING
Title (de)
VERFAHREN UND SCHLEIFGERÄT ZUM SCHLEIFEN
Title (fr)
PROCÉDÉ ET APPAREIL DE MEULAGE POUR MEULAGE
Publication
Application
Priority
- SE 2008000538 W 20081002
- SE 0702215 A 20071003
Abstract (en)
[origin: WO2009045142A1] This invention relates to a grinding appliance for grinding of button drill bits which comprise a drilling head with a plurality of buttons, and a method for manufacturing such a grinding appliance. The grinding appliance comprises a first element provided with an abrasive facing comprising diamonds as the abrasive medium and adapted to grinding a button to an intended end profile shape, and a second element adapted to grinding the drilling head. At least one section of the second element is provided with an abrasive facing comprising diamonds as the abrasive medium, the average grain size for the diamonds in the second abrasive facing being of a different average grain size from those in the first abrasive facing.
IPC 8 full level
CPC (source: EP SE)
B24B 3/33 (2013.01 - EP SE); B24D 5/066 (2013.01 - EP)
Citation (search report)
No further relevant documents disclosed
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2009045142 A1 20090409; AU 2008307767 A1 20090409; AU 2008307767 B2 20140619; CA 2701017 A1 20090409; CA 2701017 C 20150915; EP 2205396 A1 20100714; EP 2205396 A4 20130116; SE 0702215 L 20090404; SE 531596 C2 20090602
DOCDB simple family (application)
SE 2008000538 W 20081002; AU 2008307767 A 20081002; CA 2701017 A 20081002; EP 08835712 A 20081002; SE 0702215 A 20071003