Apparatuses for developing films, particularly movie films
AssigneesTechnicolor, Inc., O.M.S. 88 Srl
InventorsGiancarlo Marcari, Osvaldo Valelli
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Abstract
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 characterized 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).
Claims7
Apparatus for developing films, particularly movie films, comprising a plurality of substantially vertical frames, for supporting and winding the film, placed within the different treatment rooms, each one of said frames providing a plurality of transmission turns for the film, each one of said turns substantially comprising an upper pulley and a lower pulley, and tensioning means of the film acting on the lower pulley, said apparatus being characterised in that said tensioning means of the film in the single turns are comprised of piston means, said piston is a pneumatic, hydraulic, oleodynamic, or oleopneumatic piston, preferably a pneumatic piston, provided under the lower pulley of said turn, a single feeding system being provided for the piston means of each frame.
Dependencies are inferred from the claim text.