| 摘要 |
PURPOSE:To prevent the flow-in of external air and always maintain a proper humidity in a paper feeding box by feeding air into said paper feeding box which houses a roll of copying paper from a warm air drier and always keeping the inside of said box in a pressurized condition. CONSTITUTION:A partition wall 11 having a through hole 12 in the center is provided on the lower part of a paper feeding box 2 which houses rolls of copying paper. A warm air blow-out port 21 which is provided right under the through hole 12 is connected to a warm air drier 20 via an air blasting pipe 22 and warm air from the warm air drier 20 is fed into the paper feeding box 2 through the blow-out port 21. And, the quantity of blast is such that the inside of the paper feeding box 2 is always in a pressurized condition. Accordingly, it is prevented that an external air containing humidity is prevented from flowing in through a gap on the outer wall of the paper feeding box 2, enabling uniform dehumidification.
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