Effects of flow improvement in tapered design
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United States of America Patent
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Sep 26, 2006
Grant Date -
Dec 23, 2004
app pub date -
Mar 24, 2004
filing date -
Mar 24, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is directed to an improved flute-type instrument having a reduced bore diameter in the head section, a conical bore in the intermediate section and a standard sized bore diameter in the main section. The reduced bore diameter in the head section is dimensioned to closely correspond to the circumferential diameter of the mouth hole opening to promote laminar-like flow of air through the mouth opening and into the head section bore.
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