| 摘要 |
PURPOSE: To easily put in and out a roll by bringing a part of a frame to be freely openable and closable. CONSTITUTION: In a roll-type press dehydrator of a paper making device, a part of a frame 2 locating above a roll 8, which is necessary to be exchanged for replacing the roll, is cut and separated and a swing frame 3 is attached to that part. When exchanging the roll 8, the roll 8 is put in and out by opening the swing frame 3. |
