Feeder sleeves

B - Operations – Transporting – 22 – D

Patent

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Details

22/80

B22D 1/00 (2006.01)

Patent

CA 1304560

FS 1390 ABSTRACT A feeder sleeve for use in the casting of molten metal, particularly molten ferrous metal, has fixed in its cavity a filter located at least 0.5 cm from its lower end. The filter is prefer- ably located above the lower end of the sleeve by at least 10% and no more than 75% of the height of the sleeve. The sleeve may be formed from exothermic and/or heat-insulating material and the filter is preferably a ceramic foam.

589598

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