Industrial electric heating furnaces – Arc furnace device – Furnace body detail
Patent
1984-09-24
1986-04-01
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Furnace body detail
F27D 112
Patent
active
045802718
ABSTRACT:
Electric arc furnace of the type comprising a bottom structure (1, 2) comprising the floor, a top structure (3) connected to the bottom structure by supporting columns (5), and cooled removable panels (6) filling the space between the two structures. Each of the removable panels and their supporting structures are provided with associated, separable hinge structures (15, 16, 17, 18) disposed on each panel and on its supporting structures in such manner that the panel can open outwards by rotation about its hinges.
REFERENCES:
patent: 665484 (1901-01-01), Stoeffler
patent: 1483978 (1924-02-01), Keenan
patent: 2477161 (1949-07-01), Ausland et al.
patent: 4387464 (1983-06-01), Wronka
Clecim
Envall Jr. Roy N.
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