FIELD: metallurgy.
SUBSTANCE: invention relates to feeder system for casting of metal into mould. Feeder system comprises a lower part and at least one upper part in the form of a solid element separate from the lower part. Lower part has the first end, on which the hole of the feeder is created. Besides, the lower part has the second end opposite to the first end, on which this part has the shape of the first ring. On its end facing the lower part, the upper part has the shape of the second ring. First ring and second ring are round, oval or polygonal. At that inner diameters of the first ring and the second ring differ by less than 10 % or not more than by 2 %. As an alternative or in addition external diameters of the first ring and the second ring differ by less than 10 % or not more than by 2 %.
EFFECT: higher quality of casting of metal into mould.
34 cl, 8 dwg
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