EP 1123757 B1 20050413 - Compressed gas quenching of shafts
Title (en)
Compressed gas quenching of shafts
Title (de)
Druckgasabschreckung von wellenförmigen Werkstücken
Title (fr)
Trempe a gaz comprine pour arbres
Publication
Application
Priority
DE 10005969 A 20000209
Abstract (en)
[origin: DE10005969C1] Machine for directing and hardening a corrugated longitudinal workpiece (50) comprises a receiving device for the workpiece; several rotating lower rollers with directing points (4-9); upper rollers arranged on the directing points; and a drive for the workpiece and a workpiece quenching device. A chamber (60) surrounding the receiving device and the lower rollers is connected to the workpiece so that cold gas can be introduced via nozzles. Preferred Features: The cold gas nozzles are arranged in rows.
IPC 1-7
IPC 8 full level
B21D 3/02 (2006.01); B21D 3/16 (2006.01); C21D 1/613 (2006.01); C21D 9/28 (2006.01)
CPC (source: EP)
B21D 3/16 (2013.01); C21D 1/613 (2013.01); C21D 9/28 (2013.01)
Designated contracting state (EPC)
DE ES FR IT SE
DOCDB simple family (publication)
DE 10005969 C1 20010705; CZ 2001467 A3 20020313; CZ 297750 B6 20070321; DE 50105871 D1 20050519; EP 1123757 A2 20010816; EP 1123757 A3 20020116; EP 1123757 B1 20050413; ES 2239070 T3 20050916
DOCDB simple family (application)
DE 10005969 A 20000209; CZ 2001467 A 20010206; DE 50105871 T 20010113; EP 01100775 A 20010113; ES 01100775 T 20010113