Global Patent Index - EP 1764422 B1

EP 1764422 B1 20080611 - Method for fabricating housing from austenitic steel.

Title (en)

Method for fabricating housing from austenitic steel.

Title (de)

Verfahren zur Herstellung eines Gehäuses aus austenitischem Stahl.

Title (fr)

Procédé de fabrication d'un boîtier en acier austénitique.

Publication

EP 1764422 B1 20080611 (DE)

Application

EP 05020130 A 20050915

Priority

EP 05020130 A 20050915

Abstract (en)

[origin: EP1764422A1] Process for production of austenitic steel by (1) plastic deformation of the steel, e.g. by mechanical extension and (2) mild stress annealing (Spannungsarmgluhen, sic) of the steel. An independent claim is included for a ring-shaped compressor casing obtained by the process.

IPC 8 full level

C21D 7/12 (2006.01); B21B 3/02 (2006.01); B21B 21/00 (2006.01); B21C 23/08 (2006.01); C21D 1/30 (2006.01); C21D 9/08 (2006.01); C21D 9/14 (2006.01)

CPC (source: EP)

B21K 21/06 (2013.01); C21D 1/30 (2013.01); C21D 7/12 (2013.01); C21D 9/08 (2013.01); C21D 9/14 (2013.01); C21D 2211/001 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 1764422 A1 20070321; EP 1764422 B1 20080611; CN 100519777 C 20090729; CN 1974799 A 20070606; DE 502005004415 D1 20080724

DOCDB simple family (application)

EP 05020130 A 20050915; CN 200610172984 A 20060915; DE 502005004415 T 20050915