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Current content: 158 539 009 patent documents

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155 661 new documents added

1 150 346 documents amended

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EP 0947589 B1 20021127 - Process for treating a steel workpiece

Title (en)

Process for treating a steel workpiece

Title (de)

Verfahren zur Bearbeitung eines Werkstückes aus Stahl

Title (fr)

Procédé de traitement d'une pièce d'acier

Publication

EP 0947589 B1 20021127 (DE)

Application

EP 99103230 A 19990219

Priority

DE 19814299 A 19980331

Abstract (en)

[origin: EP0947589A1] The workpiece is heated up to a predetermined first temperature and, immediately after heating, is subjected to a jet of solid particles until within a certain boundary region it is cooled down to a second predetermined temperature.

IPC 1-7

C21D 7/06

IPC 8 full level

C21D 7/06 (2006.01); C21D 8/00 (2006.01)

CPC (source: EP)

C21D 7/06 (2013.01); C21D 8/00 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 0947589 A1 19991006; EP 0947589 B1 20021127; DE 19814299 A1 19991007; DE 59903505 D1 20030109

DOCDB simple family (application)

EP 99103230 A 19990219; DE 19814299 A 19980331; DE 59903505 T 19990219