Electrically heated forehearth

Details Electrically heated forehearth Electrically heated forehearth

1985-06-27

1986-11-11

Rutledge, L. Dewayne

Industrial electric heating furnaces

Resistance furnace device

With heating element detail

266242, 266286, 266200, 65356, 65347, C03B 1818

Patent

active

046226788

ABSTRACT:
A forehearth having a delivery channel 2 for a molten liquid (e.g. glass) 1, provided with a channel ceiling 11 of an insulating refractory ceramic fibre material and with electrical heating means 6, is capable of greatly increased efficiency in energy usage relative to conventional gas-fired forehearths.

REFERENCES:
patent: 3700224 (1972-10-01), Nolting
patent: 3725045 (1973-04-01), Roblin et al.
patent: 4321035 (1982-03-01), Takashima

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