| 摘要 |
PROBLEM TO BE SOLVED: To provide a film dyeing method eliminating a problem such as inter mediate thinning, intermediate thickening or ending in a film and treating the film for a short time without using wasteful energy. SOLUTION: A dyeing tank 2 having a plurality of drive rollers 9a, 9b,... arranged to the upper and bottom parts thereof is filled with a dyeing soln. 11 and a washing tank 3 having a plurality of drive rollers 14a, 14b... arranged to the upper and bottom parts thereof is filled with water and a long film 6 is wound around the rollers 9a, 9b of the dyeing tank 2 to be dyed while zigzag sent up and down and subsequently wound around the rollers 14a, 14b... of the washing tank 3 to be washed while zigzag sent up and down and a fresh water shower is sprayed against the film at the outlet of the washing tank and waterdrops bonded to the surface of the film are removed by air blow to dry the film.
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