| 摘要 |
A means, for removing undesired foreign matter from rotating cylindrical surfaces, such as, for example, the blanket of a blanket cylinder in an offset press, comprises a scrub means including a rotatable brush and an absorbent wiper roller. Solvent is applied to the brush so that it is uniformly wetted and a flicker bar is employed which presents a substantially flat inclined surface so that solvent and foreign matter is removed from the bristles of the brush. A tapered drain, generally in connection with a fluid such as water to flush the drain, prevents undue build-up of the matter removed from the brush bristles.
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