Metal founding – With coating means – Associated with a continuous or semicontinuous casting means
Patent
1998-04-14
2000-03-07
Lin, Kuang Y.
Metal founding
With coating means
Associated with a continuous or semicontinuous casting means
164487, B22D 1100, B22D 1107
Patent
active
060327219
ABSTRACT:
Casting equipment for continuous or semi-continuous direct chill casting of metals, in particular casting of slugs or billets of aluminum, includes a mold having a cavity with an inlet which opens upwards, an intermediate overhang which extends along the mold and is thermally insulated (a hot-top) and an outlet with a support which can be moved vertically, as well as a supply means for supplying water for chilling molten metal. The wall of the cavity is formed wholly or partially of a permeable material and oil and/or gas are/is supplied through the permeable material so as to form an oil and/or gas layer between the metal and the wall of the mold. This prevents the metal from coming into direct contact with the mold wall. At least the part of the cavity wall where the oil is supplied to the cavity is made of the same fireproof material as the hot-top and constitutes an integral part of the hot-top.
REFERENCES:
patent: 5678623 (1997-10-01), Steen et al.
Lin Kuang Y.
Norsk Hydro ASA
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