Steam heated drying cylinder

Claim 1

IN ROTATING STEAM HEATED DRYING CYLINDER OF A HIGH SPEED PAPER MAKING MACHINE, COMPRISING A HOLLOW CYLINDRICAL SHELL WHERE THE INSIDE SURFACE OF THE SHELL DURING OPERATION BECOMES COVERED WITH A THIN LAYER OF CONDENSATE FROM THE HEATING STEAM AND WHERE THE CYLINDER IS PROVIDED WITH A DEVICE FOR CONTINUAL REMOVAL OF THE CONDENSATE, THE COMBINATION COMPRISING, AT LEAST TWO REMOVABLE RAILS SEATED SNUGLY UPON THE INNER CYLINDRICAL SURFACE OF THE CYLINDER APPROXIMATELY PARALLEL TO THE AXIS OF THE CYLINDER, AND MEANS PRESSING SAID RAILS AGAINST SAID SURFACE, SAID PRESSING MEANS INCLUDING PLURAL RINGS DISPOSED AT EITHER END AND ADJACENT THE RAILS, THE RINGS PROVIDED WITH TURNBUCKLES SPREADING THE RING TO SECURE THE RAILS AGAINST THE INSIDE OF THE DRUM, THE RAILS EXTENDING RADIALLY INWARDLY FROM THE INNER CYLINDRICAL SURFACE IN SUCH A MANNER THAT THE CONDENSATE LAYER IS INTERRUPTED BY THE RAILS AND PREVENTED FROM ROTATING UNIFORMLY ABOUT THE AXIS OF THE CYLINDER WHILE THE PORTIONS OF THE CONDENSATE LAYER THAT ARE BETWEEN THE RAILS ARE BEING CONTINUALLY AGITATED.