Industrial electric heating furnaces – Induction furnace device – Coreless
Patent
1985-02-05
1986-10-21
Envall, Jr., Roy N.
Industrial electric heating furnaces
Induction furnace device
Coreless
H05B 516
Patent
active
046189645
ABSTRACT:
A ladle or tundish has a side wall comprising a refractory lining adapted to be contacted by molten metal, and a concrete wall surrounding the lining and reinforced by metal wires, the side wall being free from a metal shell. Therefore the side wall is relatively permeable to the field of an induction heating coil on the outside of the side wall.
REFERENCES:
patent: 4123045 (1978-10-01), Michelet et al.
Larsson Hans G.
Ostlund Artur
Westman Erik
Asea AB
Envall Jr. Roy N.
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