CONVERGING DEVICE FOR PRODUCTION OF OPTICAL LAMINATE FILM, AND PRODUCTION APPARATUS OF OPTICAL LAMINATE FILM

摘要

PROBLEM TO BE SOLVED: To freely adjust widths of left and right lug portions of an optical laminate film to be produced.SOLUTION: A converging device includes: a widened part 11b to which a pipeline 11a is connected at the center of the longitudinal direction and which has a nearly rectangular outlet 11c; a widened part 12c to which a pipeline 12a is connected and which has a nearly rectangular outlet 12f adjacent to one side of the first outlet 11c in the shorter side direction (Y direction); a widened part 13c to which a pipeline 13b, connected to the pipeline 12a, is connected and which has a nearly rectangular outlet 13f adjacent to the other side of the outlet 11c in the shorter side direction; a pipeline 21 which is connected to a pipeline 12b or 13b and at the same time is connected to the vicinity of one end of the widened part 11b in the longitudinal direction (X direction); a pipeline 22 which is connected to a pipeline 12a, 13b or 21 and is connected to the vicinity of the other end of the first widened part 11b in the longitudinal direction; first flow rate controlling means 23 provided in the vicinity of the connection between the pipeline 21 and a widened part 11c; and second flow rate controlling means 24 provided in the vicinity of the connection between the pipeline 22 and the widened part 11c.