Drying cylinders with felt idlers positioned to prevent fluttering of the web being treated

Claim 1

IN A DRYING APPARATUS FOR FIBROUS WEBS, A SERIES OF DRYING CYLINDERS ARRANGED ONE AFTER THE OTHER IN VERTICAL SPACED ROWS AND HAVING A FIBROUS WEB TRAINED THEREABOUT IN A SERPENTINE PATH, UPPER AND LOWER FELT RUNS IN ASSOCIATION WITH SAID UPPER AND LOWER ROWS OF DRYING CYLINDERS AND PARTIALLY WRAPPING THE WEB ABOUT SAID CYLINDERS AND ABSORBING MOISTURE IN THE WEB WHEN WRAPPING THE WEB THEREABOUT, AN UPPER FELT IDLER BETWEEN EACH PAIR OF UPPER DRYING CYLINDERS, CHANGING THE DIRECTION OF THE UPPER FELT RUN AS IT PASSES FROM AN OUTGOING TO AN INCOMING CYLINDER, AND A LOWER FELT IDLER BETWEEN EACH PAIR OF LOWER DRYING CYLINDERS CHANGING THE DIRECTION OF THE FELT RUN AS IT PASSES FROM AN OUTGOING TO AN INCOMING CYLINDER, EACH UPPER FELT IDLER BEING SPACED CLOSER TO THE INCOMING UPPER DRYING CLYINDER THAN THE OUTGOING UPPER DRYING CYLINDER AND BEING SPACED FROM THE NEXT ADJACENT LOWER OUTGOING DRYING CYLINDER SUBSTANTIALLY THE SAME DISTANCE IT IS SPACED FROM THE INCOMING UPPER DRYING CYLINDER, AND EACH LOWER FELT IDLER BEING SPACED CLOSER TO THE INCOMING LOWER DRYING CYLINDER THAN THE OUTGOING LOWER DRYING CLYINDER AND BEING SPACED THE SAME DISTANCE FROM THE INCOMING LOWER DRYING CYLINDER AS FROM THE OUTGOING UPPER DRYING CYLINDER, AND SAID UPPER AND LOWER FELT IDLERS CLOSING THE SPACES BETWEEN THE WEB AND SAID DRYING CYLINDERS AND PROVIDING CONTACT OF THE WEB WITH THE INCOMING DRYING CYLINDERS PRIOR TO CONTACT OF THE FELT WITH THE WEB, AND THEREBY STABILIZING THE DRAW ON THE WEB AND AQUALIZING THE AIR CURRENTS ON OPPOSITE SIDES OF THE WEB.