Image recording sheet moistening device and image printing apparatus
AssigneeKonica Minolta Business Technologies, Inc.
InventorsMasashi Kougami, Hisao Satoh
Life of this patent
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Abstract
A sheet moistening device comprises a pair of moistening rollers which respectively have porous layers and form a nip to convey a sheet, and a dampening mechanism which supplies water to at least one of the pair of moistening rollers through a surface thereof. In the sheet moistening device, a roller surface hardness differs between the pair of moistening rollers. In addition, the sheet moistening device can further comprise a regulating device which regulates an amount of water to be supplied from the dampening mechanism to the moistening roller.
Claims19
A sheet moistening device comprising:
- a pair of moistening rollers which respectively have porous layers and form a nip to convey a sheet;
- and
- a dampening mechanism which supplies water to at least one of said pair of moistening rollers through a surface whereof,
- wherein a roller surface hardness differs between said pair of moistening rollers which form said nip.
A sheet moistening device comprising:
- a pair of moistening rollers which respectively have porous layers and form a nip to convey a sheet;
- a dampening mechanism which supplies water to at least one of said pair of moistening roller through a surface whereof;
- and
- a regulating device which regulates an amount of water to be supplied from said dampening mechanism to said moistening roller,
- wherein a roller surface hardness differs between said pair of moistening rollers which form said nip, and one of said pair of moistening rollers which has a harder roller surface comprises a moistening roller which is dampened by said dampening mechanism.
Dependencies are inferred from the claim text.