Global Patent Index - EP 0718577 A3

EP 0718577 A3 19970604 - Resistance heated electric furnace

Title (en)

Resistance heated electric furnace

Title (de)

Elektrischer Widerstandsofen

Title (fr)

Four électrique à résistance

Publication

EP 0718577 A3 19970604 (DE)

Application

EP 95120112 A 19951219

Priority

DE 4446530 A 19941224

Abstract (en)

[origin: EP0718577A2] The kiln to vitrify ash material from a rubbish incinerator, using electrical resistance heating, has a shrouding (11) for the thermal insulation (21) of the cover (2), at least at the opening (10) for protection against the corrosive gases (30) from the interior (1R). The shrouding (11) has at least one gas-tight cylinder (12) of ceramic, e.g. Al2O3, mullite, MgAl2O4, bonded hydraulically by a fireproof cement (16) with an Al2O3 base.

IPC 1-7

F27D 11/02; H05B 3/62

IPC 8 full level

F23G 5/00 (2006.01); F23G 5/44 (2006.01); F23J 1/00 (2006.01); F27D 11/02 (2006.01); H05B 3/62 (2006.01); H05B 3/66 (2006.01)

CPC (source: EP US)

F27D 11/02 (2013.01 - EP US); H05B 3/62 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

CH DE DK FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0718577 A2 19960626; EP 0718577 A3 19970604; EP 0718577 B1 19991222; DE 4446530 A1 19960627; DE 59507480 D1 20000127; JP H08210620 A 19960820; US 5809056 A 19980915

DOCDB simple family (application)

EP 95120112 A 19951219; DE 4446530 A 19941224; DE 59507480 T 19951219; JP 31878395 A 19951207; US 57847595 A 19951226