MIXING DEVICE FOR PHOTOSENSITIVE MATERIAL PROCESSING SOLUTION

PURPOSE: To provide a mixing device for photosensitive material processing solution in which a crystal product of a stock solution is not formed in the vicinity of an opener, contamination is decreased even if the solution is dropped, and maintenance work in the vicinity of the opener is decreased. CONSTITUTION: A mixing device for photosensitive material processing solution is constituted with a tank 30 for storing a stock solution and water, a cartridge loading part 25 which is arranged in the upper part of the tank 30, has an opening 23a sealed with a sealing member, and is arranged so that the opening 23a of a cartridge 20 filled with the stock solution is faced downward, an opener 28 which is set in the cartridge loading part 25, to which the sealing member 23b of the cartridge 20 arranged is pressed to break the sealing member 23b, and a water supply nozzle 35 for supplying water in the vicinity of the opener 28.