Device and procedure for the regulation of the contact pressure of a winding bobbin
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United States of America Patent
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Issued Date -
Jun 14, 2007
app pub date -
Feb 9, 2007
filing date -
Feb 16, 2006
priority date (Note) -
Abandoned
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Abstract
Device and process for the regulation of thread winding onto a bobbin by applying a desired contact pressure P.sub.c of the operating bobbin, providing the bobbin-holder arm with a counterweighing counterthrust P.sub.p, on the basis of a pre-established trend of the value of P.sub.c in relation to the advance length of the bobbin, indicating the weight of the bobbin in relation to the ratio between the length reached and indicating the rising a angle of the bobbin-holder arm, calculating the weight component due to the bobbin and said arm and applying a counterthrust P.sub.p equal to the difference between said component and the pre-established value of the contact pressure P.sub.c referred to the length reached.
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