Global Patent Index - EP 2049769 B1

EP 2049769 B1 20161207 - 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

EP 2049769 B1 20161207 (EN)

Application

EP 07873780 A 20070816

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)

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