EP 0897017 B1 20011031 - Tower furnace for heat treatment of metal strips
Title (en)
Tower furnace for heat treatment of metal strips
Title (de)
Turmofen zur Wärmebehandlung von Metallbändern
Title (fr)
Four vertical de traitement thermique de bandes métalliques
Publication
Application
Priority
AT 99997 A 19970610
Abstract (en)
[origin: EP0897017A1] The tower furnace for heat treatment of metal strips (6) incorporates a muffle (3) which extends over the entire furnace height. An isolated plug (1) with an electric heating element (2) is inserted into the top section of the muffle, while below the plug there is a preferably gas heated preliminary heating space (4) for the strip.
IPC 1-7
IPC 8 full level
C21D 9/56 (2006.01); C21D 9/00 (2006.01); C21D 9/66 (2006.01); F27B 5/14 (2006.01); F27B 9/36 (2006.01)
CPC (source: EP US)
C21D 9/0043 (2013.01 - EP US); C21D 9/66 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE DE ES FR GB IT SE
DOCDB simple family (publication)
EP 0897017 A1 19990217; EP 0897017 B1 20011031; AT 405055 B 19990525; AT A99997 A 19980915; AT E207973 T1 20011115; DE 59801932 D1 20011206; ES 2167060 T3 20020501; JP 4077930 B2 20080423; JP H1150156 A 19990223; KR 19990006771 A 19990125; TW 410239 B 20001101; US 6031206 A 20000229
DOCDB simple family (application)
EP 98890147 A 19980520; AT 98890147 T 19980520; AT 99997 A 19970610; DE 59801932 T 19980520; ES 98890147 T 19980520; JP 15915698 A 19980608; KR 19980021202 A 19980609; TW 87108373 A 19980529; US 8683798 A 19980529