Global Patent Index - EP 1078994 A3

EP 1078994 A3 20030528 - Process and device for manufacturing fine wire

Title (en)

Process and device for manufacturing fine wire

Title (de)

Verfahren und Vorrichtung zum Herstellen von Feindraht

Title (fr)

Procédé et dispositif pour la fabrication de fil fin

Publication

EP 1078994 A3 20030528 (DE)

Application

EP 00116541 A 20000731

Priority

DE 19940845 A 19990827

Abstract (en)

[origin: DE19940845C1] Fine wire production, using the same furnace and/or cooling system for pre-annealing and drawn wire hardening treatment, is new. Independent claims are also included for the following: (i) a furnace system for use in the above process, comprising a furnace chamber containing a heat distribution block designed for uniform wire heating; (ii) a cooling system for use in the above process, comprising a fluidization chamber containing a flowable material such as sand, a fluid feeder for feeding a fluidizing fluid into the fluidization chamber and an electromagnetic wave radiation device for heating the flowable material in the fluidization chamber; and (iii) equipment for carrying out the above process, comprising the above furnace system and/or cooling system.

IPC 1-7

C21D 8/06; C21D 9/52; C21D 9/54; C21D 9/56; C21D 9/567; C21D 9/573

IPC 8 full level

B21C 9/00 (2006.01); C21D 9/52 (2006.01); C21D 9/567 (2006.01); C21D 9/573 (2006.01); C21D 1/34 (2006.01); C21D 9/64 (2006.01)

CPC (source: EP KR US)

B21C 9/00 (2013.01 - KR); C21D 9/525 (2013.01 - EP US); C21D 9/567 (2013.01 - EP US); C21D 1/34 (2013.01 - EP US); C21D 9/5732 (2013.01 - EP US); C21D 9/64 (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

DOCDB simple family (publication)

DE 19940845 C1 20001221; AR 025347 A1 20021120; BR 0003802 A 20010403; CA 2316669 A1 20010227; CN 1234884 C 20060104; CN 1291658 A 20010418; EP 1078994 A2 20010228; EP 1078994 A3 20030528; JP 2001172724 A 20010626; KR 20010021442 A 20010315; MX PA00008398 A 20020424; TR 200002516 A2 20020321; TW 524854 B 20030321; US 2002026968 A1 20020307; US 6416707 B1 20020709; US 6494973 B2 20021217

DOCDB simple family (application)

DE 19940845 A 19990827; AR P000104325 A 20000822; BR 0003802 A 20000825; CA 2316669 A 20000823; CN 00130589 A 20000826; EP 00116541 A 20000731; JP 2000255894 A 20000825; KR 20000050042 A 20000828; MX PA00008398 A 20000825; TR 200002516 A 20000828; TW 89117192 A 20000825; US 63809400 A 20000811; US 91587401 A 20010726