Double boiler furnace for vertical ascending pipe casting

Details Double boiler furnace for vertical ascending pipe casting Double boiler furnace for vertical ascending pipe casting

1985-11-26

1986-12-30

Godici, Nicholas P.

Metal founding

Means to shape metallic material

Continuous or semicontinuous casting

164439, 164465, 1643381, B22D 1104, B22D 1110

Patent

active

046321748

ABSTRACT:
In a continuous vertical ascending casting installation for iron pipes T, graphite elements 3 defining a molten metal feed chimney 28, a die and coaxial core arrangement 13, 14 and an expansion vessel 16 are mounted under a cover 2 of an electric furnace 1. In use these graphite elements are immersed in a bath of molten metal contained in the hearth area 7 of the furnace, to thus enable precise temperature regulation and control. The outer surface of the die 13 is surrounded by a water cooling jacket 18, and the level of molten iron in the hollow cavity 25 of the core 14 is varied by the expansion vessel 16, to provide even finer control of the temperature gradient within the annular casting space. The overall arrangement is thus similar to a double boiler.

REFERENCES:
patent: 4456053 (1984-06-01), Gourmel
patent: 4506723 (1985-03-01), Bellocci et al.
patent: 4531569 (1985-07-01), Fritscher

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