Method of and apparatus for limiting ingress of gas to incipient continuous cast slabs
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United States of America Patent
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Oct 14, 1997
Grant Date -
N/A
app pub date -
Jul 27, 1995
filing date -
Jul 27, 1995
priority date (Note) -
Expired
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Abstract
Ingress of gas such as air through the joint of a pour tube and tube holder of a continuous caster is prevented or inhibited by passing an inert gas into a circumferential channel around the orifice and at the interface of the joint; the gas is evenly distributed within the channel over the entire configuration of a porous refractory insert in the circumferential channel; the porous refractory insert assures even distribution of the gas to the desired location in the joint.
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