PROCESSOR FOR SENSITIVE MATERIAL

摘要

PROBLEM TO BE SOLVED: To positively drive a film by a sprocket wheel and to insert and remove the film to/from a processor. SOLUTION: The processor 1 comprises a rotatable outer drum 2 and an inner sprocket wheel 4 independently rotatable from the outer drum 2. The inner sprocket wheel 4 are provided with at least two sets of sprocket teeth 6 and 8 for engagement with the film 18 to be processed and two pairs of drive rollers 16 and 24 are located on the outer side of the outer drum 2.