Improvement in the apparatuses for developing films,...

Details Improvement in the apparatuses for developing films,... Improvement in the apparatuses for developing films,...

G - Physics

03

D

G03D 13/12 (2006.01) G03D 3/14 (2006.01)

Patent

CA 2355085

The invention concerns an apparatus for developing films, particularly movie films, comprising a plurality of substantially vertical frames (1), for supporting and winding the film (3), placed within the different treatment rooms, each one of said frames (1) providing a plurality of transmission turns for the film, each one of said turns substantially comprising an upper pulley (2) and a lower pulley (4), and tensioning means of the film acting on the lower pulley (4), said apparatus being characterised in that said tensioning means of the film (3) in the single turns are comprised of piston means (11), provided under the lower pulley (4) of said turn, a single feeding system being provided for the piston means (11) of each frame (1).

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