| 摘要 |
A cleaning card for use in cleaning internal surfaces of machine components, including internal, rotatable idler rolls, includes a substrate having a central plane between opposed surfaces thereof, a machine direction dimension defined between opposed end edges and a transverse direction dimension defined between opposed side edges. The substrate includes an angled embossment forming angled, substantially non-collapsible, elongate raised ridges on opposite sides of the cleaning card substrate, with the raised ridges being oriented at an angle to the machine direction for incrementally engaging an idler roll surface along its axial extent as the raised ridges pass through a nip including the idler roll to aid in both rotating and cleaning one or more idler rolls. In preferred embodiments the opposed surfaces of the substrate each have a plurality of discrete, raised and collapsible working areas for engaging and cleaning internal surfaces of machine components in addition to idler rolls. In the most preferred embodiments, discrete, raised and collapsible working areas cooperate with the raised ridges for aiding in cleaning idler roll(s).
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