Combined forged and cast lance tip assembly
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United States of America Patent
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Apr 17, 2001
Grant Date -
N/A
app pub date -
May 20, 1999
filing date -
May 20, 1999
priority date (Note) -
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Abstract
A lance tip assembly for a water-cooled lance as well as a method for constructing same. The lance tip assembly includes a first component of solid cast metal which is secured to a second or lower component of forged metal. Each active material discharge nozzle of the combined forged and cast lance tip assembly is constructed in part of the first cast component and in part of the second forged component. Only a single bond is required to join the first and second component at each nozzle site. The first and second components are fabricated to include structural features which individually and collectively promote high coolant water flow velocity through the lance tip and substantially uniform cooling of face of the lance tip.
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