Sealing plug for tiltable converters
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United States of America Patent
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Jul 16, 2013
Grant Date -
Jun 23, 2011
app pub date -
Aug 14, 2009
filing date -
Aug 21, 2008
priority date (Note) -
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Abstract
A sealing plug 1, consisting of fireproof material 10 located between the upper shaping plate 19 and the lower shaping plate 20, is used to seal the tap hole 3 of a tiltable converter 2. Said fireproof material 10 consists of bonding clay, water, oil and other constituents, particularly of 10-30% by weight hollow glass balls made of “foam glass” produced from recovered glass which have a rough surface suitable for binding large volumes of moisture. The sealing plug 1 thus retains the necessary stability even over longer periods and can thus be shaped in the tap hole 3 so that it is arrested against the wall 28, even after longer periods of storage. The hollow glass balls 11, 12, 13, 14 also entail a significant reduction in the weight of the entire sealing plug 1.
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