Air port and smelt spout cleaner and drop jaw tip
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United States of America Patent
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Jul 12, 2011
Grant Date -
Nov 27, 2003
app pub date -
May 9, 2003
filing date -
May 9, 2002
priority date (Note) -
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Abstract
An air port or smelt spout cleaning tip presents a wider cleaning area configuration on an insertion phase, and on retraction, the tip collapses to provide a smaller size to prevent against hanging up on adjacent structures.
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