Method and apparatus for pouring several moulds in a mould-string plant in one pouring operation
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United States of America Patent
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Sep 18, 2007
Grant Date -
Apr 5, 2007
app pub date -
Dec 11, 2003
filing date -
Dec 11, 2003
priority date (Note) -
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Abstract
In a method for pouring several moulds in a mould-string plant in the pouring operation, the moulds are produced by compression of sand or similar mould material in a pressing chamber comprising pattern plates 3, 4 for providing impressions in the surfaces of the mould parts for forming the mould cavities 11 and inlet runners 8. The moulds are advanced to a pouring track or guideway, on which the casting moulds are formed by positioning the mould parts close together and the advancement of the casting moulds is stepwise through a pouring station, in which the moulds are filled with molten metal. By providing at least one runner 7 for mutually connecting at least two inlet runners 8 for consecutive mould cavities 11, the mutually connected mould cavities can be filled through a single pouring inlet 8, and unused pouring inlets 8 may be plugged by a suitable plug 14 in order to minimise the amount of molten metal needed to fill the mould cavities 11.
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