EP 1338658 A3 20050112 - Method and device for heat treating workpieces
Title (en)
Method and device for heat treating workpieces
Title (de)
Verfahren und Vorrichtung zur Wärmebehandlung von Werkstücken
Title (fr)
Procédé et dispositif pour le traitement termique de pièces
Publication
Application
Priority
DE 10208267 A 20020226
Abstract (en)
[origin: EP1338658A2] In the process, a fraction of the polluted gas is extracted from the treatment gas atmosphere, purified and returned. An Independent claim is included for corresponding plant.
IPC 1-7
IPC 8 full level
CPC (source: EP)
C21D 1/76 (2013.01); C21D 1/763 (2013.01); C21D 9/0056 (2013.01)
Citation (search report)
- [Y] EP 0320763 A1 19890621 - LINDE AG [DE]
- [Y] EP 0282715 A2 19880921 - JUNKER GMBH O [DE]
- [A] DE 19651878 A1 19980618 - MESSER GRIESHEIM GMBH [DE]
- [A] PATENT ABSTRACTS OF JAPAN vol. 0113, no. 69 (C - 461) 2 December 1987 (1987-12-02)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
DOCDB simple family (publication)
EP 1338658 A2 20030827; EP 1338658 A3 20050112; EP 1338658 B1 20160106; DE 10208267 A1 20030904
DOCDB simple family (application)
EP 03003368 A 20030214; DE 10208267 A 20020226