Global patent index - EP 0819772 B1

EP 0819772 B1 2000-06-21 - Process for grain refining and alloying of alloys.

Title (en)

Process for grain refining and alloying of alloys.

Title (de)

Verfahren zur Kornfeinerung oder Veredelung von Metallegierungen

Title (fr)

Procédé d'affinage et d'addition d'alliages

Publication

EP 0819772 B1 (DE)

Application

EP 96810474 A

Priority

EP 96810474 A

Abstract (en)

[origin: EP0819772A1] The method concerns grain refinement or improvement of metal alloys by continuous delivery of a grain refinement or alloy improvement agent in the form of a wire (18) into the alloy melt (20). For purposes of quick dissolution, the wire before being added to the melt is either melted or heated to a temperature close to its liquidus point, and in such a state is introduced into the melt. Also claimed is an apparatus for implementation of the proposed method.

IPC 1-7 (main, further and additional classification)

C22C 1/00; B22D 1/00; C21C 7/00; C22C 1/02

IPC 8 full level (invention and additional information)

B22D 1/00 (2006.01); C21C 7/00 (2006.01)

CPC (invention and additional information)

B22D 1/00 (2013.01); C21C 7/0056 (2013.01); C21C 7/0006 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

EPO simple patent family

EP 0819772 A1 19980121; EP 0819772 B1 20000621; AT 194017 T 20000715; DE 59605464 D1 20000727; ES 2148716 T3 20001016; IS 1906 B 20031216; IS 4525 A 19980120; NO 315751 B1 20031020; NO 973347 A 19980120; NO 973347 D0 19970718

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