G - Physics
03
D
34/39
G03D 15/02 (2006.01) F26B 13/00 (2006.01) F26B 13/10 (2006.01) F26B 21/00 (2006.01)
Patent
CA 1077709
FILM DRYER ABSTRACT OF THE DISCLOSURE A film dryer is described which has a central vertical film feeding section for downward movement of the film which is introduced at the top and delivered at the bottom, vertical air delivery sections on each side of the film feeding section, each of the air delivery sections being connected to wind boxes and therefrom to pairs of vertical air delivery ducts and a plurality of spaced horizontal air delivery tubes in groups each carried by a pair of delivery ducts for delivery of air from each side for drying, the tubes preferably being substantially square in cross section and with opposite pairs of corners respectively vertical and horizontal, access openings to the interior of the tubes being provided at each end from the ver- tical ducts and elongated slots being provided along the inner corners function as self-cleaning nozzles with increased velocity of the air for delivery of air against the faces of the film on each side, a fan or blower at the bottom delivering air to the wind boxes, the air moving outwardly between the tubes and in spaces between the air delivery sections and the housing for recirculation and partial discharge at the bottom.
299534
Hope Henry F.
Hope Stephen F.
Hope Henry F.
Hope Stephen F.
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