Method and apparatus for squaring and flattening sheets
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United States of America Patent
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Dec 4, 2007
Grant Date -
N/A
app pub date -
Sep 2, 2003
filing date -
Aug 30, 2002
priority date (Note) -
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Abstract
Preheated plastic sheets are squared and flattened to be engageable by clamping fingers of clamps on a clamping frame by an array of paddles having vertical and horizontal portions moved to engage any upturned or skewed sheet edges to flatten and square the same as said paddles are simultaneously moved longitudinally and vertically by respective actuators.
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