MANUFACTURE FOR RESIN FILM

摘要

PURPOSE:To constitute a method so that a resin film can be manufactured stably even at an early stage of manufacturing resin film wherein a water film is arranged on a casting drum. CONSTITUTION:Manufacture of a resin film includes 71 process manufacturing a series of a resin film F by supplying sheetlike molten resin 5a continuously to a casting drum 4, a process performing orientation treatment by leading the resin film F to a film orientation part 2 and a process arranging a water film to the casting drum 4 by a water film forming device 7 to interpose the water film between the casting drum 4 and resin film F. The process arranging the water film is started upon arrival of the resin film F to an orientation treatment part.