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Current content: 159 515 718 patent documents

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1 078 520 documents amended

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EP 0204652 B1 19891213 - METAL MELTING SHAFT FURNACE

Title (en)

METAL MELTING SHAFT FURNACE

Publication

EP 0204652 B1 19891213 (DE)

Application

EP 86730066 A 19860415

Priority

DE 3514681 A 19850419

Abstract (en)

[origin: ES8704620A1] A shaft melting furnace for melting metals is proposed with an interior receiving the molten bath, a charging shaft for supplying the melting stock and a burner supplying heat to the latter. The charging shaft is funnel-shaped and passes into a melting zone of constant cross-section leading to a melting bridge.

IPC 1-7

F27B 1/02; F27B 1/04; F27B 3/00

IPC 8 full level

F27B 1/02 (2006.01); F27B 1/04 (2006.01); F27B 3/00 (2006.01)

CPC (source: EP US)

F27B 1/02 (2013.01 - EP US); F27B 1/04 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0204652 A1 19861210; EP 0204652 B1 19891213; AT E48693 T1 19891215; CA 1280593 C 19910226; DE 3667533 D1 19900118; ES 554161 A0 19870401; ES 8704620 A1 19870401; US 4687438 A 19870818

DOCDB simple family (application)

EP 86730066 A 19860415; AT 86730066 T 19860415; CA 507077 A 19860418; DE 3667533 T 19860415; ES 554161 A 19860418; US 85362986 A 19860418