EP 2049769 A4 20140702 - THICK POINTED SUPERHARD MATERIAL
Title (en)
THICK POINTED SUPERHARD MATERIAL
Title (de)
DICKES, SPITZES UND SUPERHARTES MATERIAL
Title (fr)
MATÉRIAU EXTRA-DUR POINTU ET ÉPAIS
Publication
Application
Priority
- US 2007075670 W 20070816
- US 46399006 A 20060811
- US 46395306 A 20060811
- US 55333806 A 20061026
- US 55883506 A 20061110
- US 66825407 A 20070129
- US 67363407 A 20070212
Abstract (en)
[origin: WO2008105915A2] In one aspect of the invention, a high impact resistant tool having a superhard bonded to a cemented metal carbide substrate at a non-planar interface. The superhard material has a substantially pointed geometry with a sharp apex having.050 to.125 inch radius. The superhard material also has a.100 to.500 inch thickness from the apex to the non-planar interface.
IPC 8 full level
E21C 35/183 (2006.01)
CPC (source: EP)
E21C 35/183 (2013.01)
Citation (search report)
- [X] US 2004026132 A1 20040212 - HALL DAVID R [US], et al
- [X] US 2001004946 A1 20010628 - JENSEN KENNETH M [US]
- [A] US 6003623 A 19991221 - MIESS DAVID P [US]
- See references of WO 2008105915A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008105915 A2 20080904; WO 2008105915 A3 20090205; EP 2049769 A2 20090422; EP 2049769 A4 20140702; EP 2049769 B1 20161207
DOCDB simple family (application)
US 2007075670 W 20070816; EP 07873780 A 20070816