EP 0971561 B1 20020911 - Electrical heating resistance for electric furnace and manufacturing method for such a resistance
Title (en)
Electrical heating resistance for electric furnace and manufacturing method for such a resistance
Title (de)
Elektrischer Heizwiderstand für Electroofen und Herstellungsverfahren
Title (fr)
Résistance électrique chauffante pour four électrique et procédé de fabrication d'une telle résistance
Publication
Application
Priority
FR 9808634 A 19980706
Abstract (en)
[origin: EP0971561A1] A resistance heater has a ceramic resistance heating portion (12) comprising a sintered mixture of silicon carbide particles, electrically conductive phase forming dopant particles and mineral particles. Preferred Features: The dopant particles consist of nickel oxide and the mineral particles consist of alumina and yttrium oxide.
IPC 1-7
IPC 8 full level
F27D 11/02 (2006.01); H05B 3/14 (2006.01); H05B 3/64 (2006.01)
CPC (source: EP US)
H05B 3/141 (2013.01 - EP US); H05B 3/148 (2013.01 - EP US); H05B 3/64 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI NL PT SE
DOCDB simple family (publication)
EP 0971561 A1 20000112; EP 0971561 B1 20020911; AT E224127 T1 20020915; CA 2276678 A1 20000106; DE 69902853 D1 20021017; DE 69902853 T2 20030522; DK 0971561 T3 20030113; ES 2183491 T3 20030316; FR 2780845 A1 20000107; FR 2780845 B1 20000811; JP 2000036371 A 20000202; NO 993306 D0 19990702; NO 993306 L 20000107; PT 971561 E 20030131; US 6146550 A 20001114
DOCDB simple family (application)
EP 99401460 A 19990614; AT 99401460 T 19990614; CA 2276678 A 19990630; DE 69902853 T 19990614; DK 99401460 T 19990614; ES 99401460 T 19990614; FR 9808634 A 19980706; JP 19014099 A 19990705; NO 993306 A 19990702; PT 99401460 T 19990614; US 34320499 A 19990630