Method and apparatus for producing mold parts for foundries
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United States of America Patent
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-
Mar 8, 1994
Grant Date -
N/A
app pub date -
Oct 25, 1991
filing date -
Oct 25, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The apparatus includes a mold unit for at least two mold parts, with in each case at least two separate shooting heads and sand magazines with separate shooting hood shoot-out areas and in which the shooting heads are subject to the action of individual shooting air sources. In the method a unit with mold cavities for at least two mold parts to be interconnected is moved under a shooting station, which is provided with at least two shooting heads and sand magazines with separate shooting hood shoot-out areas and from the magazines sand is shot into the mold unit cavities for the different mold parts with different pressures and different sand compositions.
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