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US 11,691,376 B2Granted
Sheet humidifying device, method, and cardboard sheet manufacturing device
AssigneeMitsubishi Heavy Industries Machinery Systems, Ltd.
InventorTakashi Nitta
Life of this patent
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Abstract
A sheet humidifying device, a method, and a cardboard sheet manufacturing device are provided with: a pre-heating roll that has an outer peripheral surface on which a corrugating medium is wrapped; and a humidified water jetting device that jets humidified water onto the outer peripheral surface of the pre-heating roll on which the corrugating medium has not been wrapped.
Claims9
A sheet humidifying device comprising:
- a heating roll having an outer peripheral surface around which a sheet is wrapped;
- and
- a humidifying water ejection device that ejects humidifying water to the outer peripheral surface around which the sheet is not wrapped in the heating roll,
- wherein the heating roll is capable of heating the sheet wrapped around the outer peripheral surface by supplying steam into the heating roll, and
- the humidifying water ejection device ejects condensed water of the steam discharged from the heating roll, toward the outer peripheral surface of the heating roll.
2 more elements
A sheet humidifying method comprising:
- a step of heating a sheet by wrapping the sheet around an outer peripheral surface of a heating roll;
- and
- a step of ejecting humidifying water having a temperature of 1000 C or higher to the outer peripheral surface of the heating roll around which the sheet is not wrapped,
- wherein the heating roll is capable of heating the sheet wrapped around the outer peripheral surface by supplying steam into the heating roll, and
- in the step of ejecting humidifying water, condensed water of the steam discharged from the heating roll is ejected toward the outer peripheral surface of the heating roll.
2 more elements
Dependencies are inferred from the claim text.