Exothermic And Insulating Feeder Sleeves Having A High Gas Permeability
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United States of America Patent
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Issued Date -
Feb 5, 2009
app pub date -
Mar 14, 2006
filing date -
Mar 14, 2005
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Abandoned
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Abstract
The invention further relates to a process for producing a feeder and other filling funnel or feeding elements for casting molds; feeders, filling funnels or feeding elements for casting molds which are obtained by the process and also their use for producing metal castings. The feeders and further shaped bodies for the foundry industry obtained from the molding composition of the invention have a particularly high gas permeability and a low density.
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