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AssigneeSeiko Epson Corporation
InventorsKohei UENO, Hirohisa KODAIRA
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Provided is an uneven roller of which a surface coming into contact with a medium is provided with a plurality of protrusions and recesses, the uneven roller including a shaft portion, a reference portion mounted on the shaft portion, a ring portion that is positioned closer to a side, to which a first direction along an axial direction of the shaft portion extends, than the reference portion is and that is mounted on the shaft portion, and a restriction portion that is positioned closer to the side, to which the first direction extends, than the ring portion is and that is mounted on the shaft portion to restrict movement of the ring portion in the first direction. The ring portion is composed of a plurality of uneven rings disposed along the axial direction, the uneven ring including a plurality of protrusion portions disposed along a circumferential direction.
An uneven roller of which a surface coming into contact with a medium, onto which liquid is discharged, is provided with a plurality of protrusions and recesses, the uneven roller comprising:
An uneven ring constituting an uneven roller of which a surface coming into contact with a medium, onto which liquid is discharged, is provided with a plurality of protrusions and recesses, wherein
A manufacturing method of an uneven roller of which a surface coming into contact with a medium, onto which liquid is discharged, is provided with a plurality of protrusions and recesses, the manufacturing method comprising:
Dependencies are inferred from the claim text.