Device for extracting water from photographic film
OwnerManfred G. Michelsoninventor
Life of this patent
Estimating the term…
Abstract
A manifold unit for extracting water from a photographic film strip. The manifold unit comprises a base wall lying along a plane transversely intercepting the broad face of the curved film strip, a number of elongated members extending from the base wall towards the broad face of the film strip and spaced apart to define air conduits therebetween, the elongated members having terminal surfaces adjacent to the film strip and forming an acute angle with the film strip path such that the trailing edge of the terminal surface is closest to the film strip, air pressure conduit in communication with some of the air conduits and air suction conduit in communication with other of the air conduits.
Claims5
A manifold unit for extracting water from a photographic film strip having a broad face moving along in a curved path, the unit comprising:
- a base member lying along a path adjacent the broad face of the curved film strip;
- a number of elongated members extending from the base member towards the broad face of the film strip and spaced apart to define air conduits therebetween, the elongated members having terminal surfaces adjacent to the film strip, each forming an acute angle with the film strip path such that each trailing edge of the terminal surface is closest to the film strip;
- air pressure means in communication with some of the air conduits;
- and
- air suction means in communication with other of the air conduits;
- and the base member includes a separator wall substantially along a plane bisecting the length of the film strip,
- wherein said air pressure means being on one side of the separator wall and said air suction means being on the other side of said separator wall.
A device for extracting water from the surface of a film that has been wetted down during cleaning comprising the combination of:
- roller means for moving the film along a curved path to provide a convex arc segment;
- and
- a water extraction manifold disposed on the opposite side of the film from the roller means at the convex arc segment, the water extraction manifold including a number of wall segments approximately radially disposed relative to the convex arc segment and terminating in end surfaces adjacent to but not contacting the film, the wall segments having end surfaces angled at acute angles relative to the opposed film such that the leading edges are spaced apart from the film at a greater distance than the trailing edges, the wall segments each spanning a substantial difference of the film between its edges, the manifold further including a body portion having an internal separator wall coupled to the wall segments on the side opposite the film, and configured to define pressure and suction manifolds on opposite sides of the wall, the body and wall segments further being configured to define alternating pressure and suction conduits in communication with the film, and the body including side walls completing the manifolds.
Dependencies are inferred from the claim text.