Web-handling mechanism for controlling web speed
Abstract
Abstract WEB-HANDLING APPARATUS FOR FEEDING A WEB TO A CARTONFORMING PRESS OR THE LIKE AND IN WHICH THE WEB IS CONTINUOUSLY FED BY MELTING ROLLS AFTER PASSING THROUGH THE METERING ROOLS, THE WEB IS INTERMITTENTLY STOPPED PRIOR TO ITS ENTRY INTO THE PRESS BY DISENGAGEMENT OF THE FEED ROLLS OR BY A BRAKE BAR. MEANS SUCH AS A CURVED PLATE ARE MOVABLE WITH THE WEB TO MAINTAIN CONSTANT CONTACT THEREWITH TO PREVENT SLAPPING ACTION OF THE WEB AS IT IS TAKEN UP BY THE FEED ROLLS WHEN THE LATTER ARE ENGAGE AND CONTROL ACCELERATION AND DECELERATION OF THE WEB. INSTEAD OF STOPPING THE WEB WITH A CONVENTIONAL BRAKE BAR, MOVEMENT OF THE CURVED PLATE IS PROGRAMMED TO TAKE UP THE WEB AS FAST AS THE METERING ROLLS METER THE WEB TO THE FEED ROLLS.
Inventors
- 👤 Peter Zernov
- 👤 Gilbert S Woythal
Bibliographic Details
Claims Analysis
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