Drying apparatus

Details Drying apparatus Drying apparatus

1986-04-14

1987-09-15

Makay, Albert J.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34115, 34122, F26B 1312, F26B 1316

Patent

active

046930167

ABSTRACT:
A drying apparatus for drying photographic paper includes a rotary drum and a duct having a recess which is provided with air outlet bores. A photographic paper passing area is defined between the outer periphery of the drum and the recess of the duct. The warm air blown out of the air outlet bores presses the side (the reverse side) of the photographic paper which is opposite to the emulsion layer side thereof against the outer periphery of the rotary drum, thereby maintaining the emulsion layer side of the paper in a non-contact state while the paper is being transported. The rotary drum is provided with bores through which the warm air is sucked in so as to suction-hold the photographic paper on the outer periphery of the rotary drum, whereby the photographic paper is also heated from the reverse side thereof. If the rotary drum is rotated at a higher peripheral speed than the speed of travel of the photographic paper, if it possible to prevent the formation of any dent in the reverse side of the photographic paper by the action of the suction bores.

REFERENCES:
patent: 2074455 (1937-03-01), Carleton
patent: 3827855 (1974-08-01), Blake
patent: 4011124 (1977-03-01), Baxter
patent: 4036684 (1977-07-01), Schmitt et al.
patent: 4135310 (1979-01-01), Fuhring et al.

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