EP 2913474 A2 20150902 - MANUFACTURE OF LOW COST BITS BY INFILTRATION OF METAL POWDERS
Title (en)
MANUFACTURE OF LOW COST BITS BY INFILTRATION OF METAL POWDERS
Title (de)
HERSTELLUNG VON KOSTENGÜNSTIGEN BOHRMEISSELN DURCH INFILTRATION VON METALLPULVERN
Title (fr)
FABRICATION DE TRÉPANS À FAIBLE COÛT PAR INFILTRATION DE POUDRES MÉTALLIQUES
Publication
Application
Priority
US 201461943141 P 20140221
Abstract (en)
An apparatus and method for manufacturing a downhole tool. The cemented matrix material is formed from a metal powder, a shoulder powder, and a binder material, wherein the metal powder and/or the shoulder powder includes at least one of stainless steel powder, nickel powder, cobalt powder, iron powder, or powders of other suitable metals or alloys, or a combination of such mentioned powders.
IPC 8 full level
E21B 10/00 (2006.01); B22F 1/12 (2022.01); C22C 32/00 (2006.01); C22C 33/02 (2006.01); E21B 10/46 (2006.01)
CPC (source: EP US)
B22F 1/09 (2022.01 - EP US); B22F 1/12 (2022.01 - EP US); B22F 3/26 (2013.01 - EP US); B22F 7/008 (2013.01 - EP US); B22F 7/08 (2013.01 - US); C22C 1/0433 (2013.01 - EP US); C22C 1/1036 (2013.01 - EP US); C22C 32/0052 (2013.01 - EP US); C22C 33/0292 (2013.01 - EP US); E21B 10/00 (2013.01 - EP US); E21B 10/46 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2913474 A2 20150902; EP 2913474 A3 20151223; CA 2882049 A1 20150821; US 2015240566 A1 20150827
DOCDB simple family (application)
EP 15155368 A 20150217; CA 2882049 A 20150217; US 201514622670 A 20150213