Patent · US Expired

Crucible furnace with adjustable electrodes

US4646318A · kind A · utility

3Cited by

4References

8Claims

0Family size

Assignee

Mannesmann AG · DE

Inventors

Friedrich Nordmeyer · Mettmann, DE
Eckard Schunk · Düsseldorf, DE
Frank Winter · Mühlheim, DE
Clive Jackson · Wrexham, GB

Key dates

Filing date	May 24, 1985
Grant date	Feb 24, 1987
Priority date	—
Expiry date	May 24, 2005

Classification

Technology area (CPC H)Electricity
CPC primaryH05B7/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A crucible furnace including a furnace vessel in which a graphite electrode and a metal contact electrode are vertically and horizontally movable.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.