EP 1524323 B1 20130626 - PROCESS FOR PRODUCING OIL TEMPERED WIRE
Title (en)
PROCESS FOR PRODUCING OIL TEMPERED WIRE
Title (de)
VERFAHREN ZUR HERSTELLUNG VON ANGELASSENEM DRAHT
Title (fr)
PROCEDE DE PRODUCTION D'UN FIL TREMPE A L'HUILE
Publication
Application
Priority
- JP 0306546 W 20030526
- JP 2002211954 A 20020722
Abstract (en)
[origin: US2004244883A1] The method comprises the steps of: applying an isothermal transformation heat treatment to a wire material having a nonmetallic inclusion controlled; applying a lubrication film after acid washing; carrying out scalping after which softening a work hardened layer produced on a surface layer at the time of scalping by annealing and carrying out wire drawing, and then carrying out an oil temper treatment.
IPC 8 full level
C21D 1/74 (2006.01); C22C 38/18 (2006.01); C21D 9/52 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/34 (2006.01); C21D 1/58 (2006.01)
CPC (source: EP US)
C21D 9/525 (2013.01 - EP US); C22C 38/18 (2013.01 - EP US); C21D 1/58 (2013.01 - EP US)
Designated contracting state (EPC)
DE SE
DOCDB simple family (publication)
US 2004244883 A1 20041209; CN 1286992 C 20061129; CN 1556866 A 20041222; EP 1524323 A1 20050420; EP 1524323 A4 20060201; EP 1524323 B1 20130626; HK 1069414 A1 20050520; JP 2004052048 A 20040219; JP 3555892 B2 20040818; WO 2004009856 A1 20040129
DOCDB simple family (application)
US 80337904 A 20040318; CN 03801114 A 20030526; EP 03730632 A 20030526; HK 05101983 A 20050308; JP 0306546 W 20030526; JP 2002211954 A 20020722