Patent
1980-02-29
1982-03-16
Reynolds, B. A.
13 35, C03B 502
Patent
active
043202446
ABSTRACT:
A melting furnace for the production of mineral wool insulation in the nature of a receptacle closed by a cover or crown through which spaced carbon electrodes extend from an external support and also through which particulate stock material is introduced over a substantial area of a melt contained in the receptacle. The receptacle of the furnace is defined by a substantially sealed external shell having an inner lining of carbon brick covering the floor and extending upwardly on the sidewalls thereof to an upper limit or edge defined by the plane of the top surface of liquid melt maintained in the furnace. An outer lining of carbon paste is sandwiched between the inner brick lining and the outer sealed shell. The inner lining is capped with a ring of refractory and a water cooling conduit is embedded in the outer lining at the plane of the liquid level to develop a fused or solidified glass lining only at the juncture of the refractory ring and the inner lining of carbon brick.
REFERENCES:
patent: 1674947 (1928-06-01), Buncer et al.
patent: 2042560 (1936-06-01), Stewart
patent: 2263848 (1941-11-01), Keaney
patent: 3849587 (1974-11-01), Hatch et al.
patent: 3973076 (1976-08-01), Scott, Jr. et al.
Dejaiffe Robert
Kells Edward L.
Forty-Eight Insulations, Inc.
Herguth, Jr. John J.
Naigur Marvin A.
Reynolds B. A.
Roskoski Bernard
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