PRODUCTION OF MOLDINGS FOR FOUNDRY PURPOSES
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United States of America Patent
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Issued Date -
Feb 17, 2011
app pub date -
Dec 19, 2008
filing date -
Dec 21, 2007
priority date (Note) -
Abandoned
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Abstract
A process for producing a mold includes introducing a composition including a particulate, refractory material and a binder into a hollow model having an interior cavity which determines contours of all surfaces of the mold or a mold part, wherein the model includes at least two separate parts to permit removal of the mold, and applying a second composition containing at least one organosilicon component and at least one solvent to at least one of the separable parts before use.
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