Patent ID: 8151402

Claim:
A cleaning article having a flat tubular pocket and attachable to a holder by inserting the holder into the pocket, the pocket being formed by joining a first facing pocket-forming sheet and a second facing pocket-forming sheet, the cleaning article comprising at least a first fiber layer and a second fiber layer formed of a fiber bundle on each of an upper and a lower outer side of the pocket formed by the pocket-forming sheets, the first fiber layers closest to the pocket-forming sheets are joined to each of the respective upper and lower outer side of the pocket formed by the pocket-forming sheets by a continuous central linear seal extending in the longitudinal direction in a laterally middle portion and a discontinuous side seal extending in the longitudinal direction at a position laterally spaced away in at least one of the lateral directions from the continuous central linear seal, wherein the continuous central linear seal is disposed on each of the upper and lower outer sides of the pocket, the second fiber layer is further disposed over each of the first fiber layers, and the second fiber layer is joined to the respective first and second facing pocket-forming sheets only by the continuous central linear seal in the laterally middle portion, and the fibers of the first and second fiber layers are all fluffed up such that the cleaning article has a substantially cylindrical shape.