Small Roll Rewinders JJM JJS JJF DJJF Large Roll Rewinders JLS JPX Wide Format Rewinders JLS 120 / 135 / 150 Center Winders JTS 44/2 and 73/2 JTS-72/4 JCW Coreless Rewinders CJJF CJLS Small Roll Packaging RPL Sleeve Wrapper System Large Roll Packaging Bulk Packaging Line Dual Packaging Line Web Sensitive Packaging Line Robotics Shaftless Unwind Stand Shafted Unwind Stand Custom 1 Small Roll: Fully Automatic Upgrade Small Roll: Semi Automatic Enhancement Small Roll: Warning Mark/Inker Small Roll: Tabber Upgrade Autoloader: Core Stop Autoloader: Push Bar Autoloader: Dual Position Upper Tail Blow Tuck Blade Roll Eject Assist Self Centering Rewind Chucks		Upper Tail Blow		Request Information The upper tail blow is used in conjunction with the tail blow to achieve a tight wrap around the core during the tuck or foldless start sequence.  The upper tail blow assembly is located between the tuck blade and the top rider roll on the JLS. .      Occasionally when the tails are blown over the cores, they begin to flap around causing a fold in the tuck, or small interweaving at the start of the cycle.   The upper tail blow forces downward air pressure evenly across the web as the tails are being guided into the nip point. Two air regulators on the front of the machine can easily be adjusted to set the correct amount of air flow for the tail blow sequence.