Machine for making expandable two-color slats
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United States of America Patent
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Aug 24, 2010
Grant Date -
Sep 24, 2009
app pub date -
Mar 18, 2008
filing date -
Mar 18, 2008
priority date (Note) -
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Abstract
A machine for making two-color expandable salts includes a feeding unit to feed two strips of different colors to a combining unit which includes a cutting blade and a ultra-wave generator, the cutting blade cuts surplus from two sides of each of the two strips and the two strips are securely connected to each other along two respective sides thereof so as to form the expandable slat. A scrolling unit includes a scrolling wheel which to scroll the expandable slat from the combining unit. A control unit includes a programmable controller and multiple tension detection members which detect tension of the strips and the expandable slat, the tension is sent to the programmable controller which adjusts speed of the feeding wheels and scrolling wheel.
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