Heating device for transfer of liquid metal and process for manufacturing the device
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United States of America Patent
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Jan 13, 1998
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N/A
app pub date -
Sep 26, 1995
filing date -
Feb 8, 1993
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Abstract
A heating assembly 1 for transferring liquid metal 28 has a closed cross-section and includes a refractory tube 4 wrapped in an insulating layer 5 which is in turn surrounded by an inductor 3 enclosed in refractory concrete within a metal shell, the insulating layer 5 consisting of an insulating refractory concrete layer 5a. The heating assembly 1 may be used in a liquid metal holding furnace 9 provided with a supply of pressurised gas Pr for producing metal parts.
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