A HARDFACING MATERIAL FOR HARDFACING EARTH BORING BITS USED IN ABRASIVE WEAR ENVIRONMENTS AND A METHOD OF MANUFACTURING THE SAME - Patent 2118329

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EP 2 118 329 A1

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(43)	Date of publication:
	18.11.2009 Bulletin 2009/47

(21)	Application number: 07853447.6

(22)	Date of filing: 20.12.2007

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International Patent Classification (IPC):

C22C 29/08^(2006.01)

E21B 10/50^(2006.01)

(86)	International application number:
	PCT/US2007/026050

(87)	International publication number:
	WO 2008/079285 (03.07.2008 Gazette 2008/27)

(84)	Designated Contracting States:
	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

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Priority:

21.12.2006 US 871270 P
12.12.2007 US 954909

(71)	Applicant: BAKER HUGHES INCORPORATED
	Houston TX 77210-4740 (US)

(72)	Inventor:
	OVERSTREET, James L. Tomball, TX 77377 (US)

(74)	Representative: Hano, Christian et al
	v. Füner Ebbinghaus Finck Hano Mariahilfplatz 2 & 3 81541 München 81541 München (DE)

(54)	A HARDFACING MATERIAL FOR HARDFACING EARTH BORING BITS USED IN ABRASIVE WEAR ENVIRONMENTS AND A METHOD OF MANUFACTURING THE SAME