Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 4, 2007
Patent Application Number
10654278
Date Filed
September 2, 2003
Patent Citations Received
Patent Primary Examiner
Patent 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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