Abrasive tool making process – material – or composition – With inorganic material – Metal or metal oxide
Reexamination Certificate
2011-08-16
2011-08-16
Wood, Elizabeth D (Department: 1732)
Abrasive tool making process, material, or composition
With inorganic material
Metal or metal oxide
C051S307000, C420S008000, C420S123000, C420S496000, C420S582000, C075S228000, C075S230000, C075S232000, C075S236000, C075S243000, C075S245000, C075S246000, C075S255000, C075S252000
Reexamination Certificate
active
07998230
ABSTRACT:
A multi-metal powder, in particular for producing diamond tools comprises iron copper, cobalt and molybdenum whose contents are expressed in the following mass percentages: Fe+Cu+Co+Mo=98 mass %, the rest being oxygen and production impurities, wherein 15%=Cu=35%, 0.03=Mo/(Co+Fe+Mo)=0.10, —Fe/Co=2. A sintered compact is obtained by hot compaction of said multi-metal powder, for example, in the form of a diamond cutting tool.
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Consolidation of Diamond Tools Using Cu-Co-Fe based Alloys as Metallic Binders, M. del Villar et al, Powder Metallurgy, Maney Publishing, London, GB, vol. 44, No. 1, 2001, pp. 82-90.
Bonneau Maxime
Commeau Thierry
Huet Christian
Lartigue Jean-François
Eurotungstene Poudres
Sughrue & Mion, PLLC
Wood Elizabeth D
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