| Patent application number | Description | Published |
| 20090107530 | Sheet humidifying device and image forming apparatus provided therewith - A sheet humidifying device includes: a humidifier having a pair of humidifying rollers which form a nip by being in contact with each other and humidify a sheet that passes through the nip; and a water supply tray which stores water to be supplied to the humidifier, having a wall forming a chamber that stores the water, and a water outlet causing the water to overflow from the chamber, which is formed on the wall. | 04-30-2009 |
| 20090110460 | SHEET MOISTURIZING DEVICE AND IMAGE FORMING APPARATUS PROVIDED THEREWITH - A sheet moisturizing device having a moisturizing section that moisturizes a sheet and a guide which guides the sheet that has been moisturized by the moisturizing section, the guide includes a first guide member made of resin having a plurality of ribs, arranged immediately downstream of the moisturizing section in a sheet conveyance direction, which guides the sheet in a vertical direction. | 04-30-2009 |
| 20090317160 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - A sheet processing apparatus including: a humidifier that humidifies a sheet; a curl correcting section that corrects a curl by applying mechanical bending force on a sheet; and a control section that causes humidification by the humidifier and curl correction by the curl correcting section to be possible for a prescribed sheet, and causes either one of humidification by the humidifier and curl correction by the curl correcting section to be possible for sheets other than the prescribed sheet. | 12-24-2009 |
| 20110020042 | SHEET HUMIDIFIER, SHEET FINISHER, AND IMAGE FORMING SYSTEM - A sheet humidifier which executes a humidifying process to a sheet, the sheet humidifier including: a pair of humidifying rollers each of which has a first surface layer formed of rubber containing plasticizer, the pair of humidifying rollers nipping and conveying the sheet; and two water supply rollers each of which has a second surface layer formed of rubber containing the same kind of plasticizer as the plasticizer of the first surface layer, the two water supply rollers contacting each of the pair of humidifying rollers and supplying water to the each of the pair of humidifying rollers, wherein a hardness of the first surface layer is higher than the second surface layer. | 01-27-2011 |
| 20110121086 | PAPER SHEET HUMIDIFYING DEVICE, PAPER SHEET POST-PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - A paper sheet humidifying device including a humidifying roller to convey a paper sheet and apply water to the paper sheet; a water supply roller to supply water to the humidifying roller; a water supply plate to contain the water for dipping the water supply roller, and to eject excessive water by overflowing; a water feeding section to feed the water to the water supply plate; a drain tank to receive the water ejected from the water supply plate, the drain tank comprising a drain outlet to eject the received water; a water level sensor to output a signal when a water level in the drain tank reaches a prescribed level; and a controller to execute a control to prevent overflowing of the water from the drain tank based on the signal from the water level sensor. | 05-26-2011 |