Global Patent Index - EP 1167549 A1

EP 1167549 A1 20020102 - Gas quenching chamber

Title (en)

Gas quenching chamber

Title (de)

Gasabschreckkammer

Title (fr)

Cellule de trempe au gaz

Publication

EP 1167549 A1 20020102 (FR)

Application

EP 01410074 A 20010620

Priority

FR 0007875 A 20000620

Abstract (en)

A cell (20) for hardening steel components by circulating a gaseous fluid in an airtight enclosure (23) incorporates at least one static aspirator (26) for organizing the circulation of the gaseous fluid. The gaseous fluid present at the inlet to the static aspirator is at pressure greater than atmospheric pressure. The gaseous fluid used can be nitrogen, hydrogen, helium or air.

Abstract (fr)

L'invention concerne une cellule (20) de trempe de pièces d'acier par circulation d'un fluide gazeux dans une enceinte étanche (23), comportant au moins un aspirateur statique (26) pour organiser la circulation du fluide gazeux. <IMAGE>

IPC 1-7

C21D 1/767; C21D 1/613; C21D 1/62

IPC 8 full level

C23C 8/22 (2006.01); C21D 1/00 (2006.01); C21D 1/06 (2006.01); C21D 1/613 (2006.01); C21D 1/62 (2006.01); C21D 1/767 (2006.01); F27B 5/04 (2006.01); F27D 7/04 (2006.01)

CPC (source: EP US)

C21D 1/613 (2013.01 - EP US); C21D 1/62 (2013.01 - EP US); C21D 1/767 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1167549 A1 20020102; BR 0102431 A 20020219; CN 1329175 A 20020102; FR 2810340 A1 20011221; FR 2810340 B1 20030314; JP 2002097517 A 20020402; MX PA01006313 A 20050603; US 2002020948 A1 20020221

DOCDB simple family (application)

EP 01410074 A 20010620; BR 0102431 A 20010619; CN 01121659 A 20010620; FR 0007875 A 20000620; JP 2001178581 A 20010613; MX PA01006313 A 20010620; US 87576101 A 20010606