Coating and smoothing apparatus
AssigneeWiggins Teape Limited
InventorRoger Anthony Allen
Life of this patent
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Abstract
A smoothing roll for use with apparatus for coating a web of paper or other sheet material, particularly for smoothing coatings at low wet coatweights of silicone compositions applicable in their natural state without the use of a solvent, has a soft elastomeric covering the smoothing surface of which is pitted and is substantially impermeable to liquid coating compositions.
Claims7
Apparatus for coating a web of paper or other sheet material, comprising means for applying a liquid coating composition to a surface of the web, and, beyond said means in the direction of web movement, a smoothing roll having a soft elastomeric covering with a smoothing surface which is pitted, said pitted smoothing surface being substantially impermeable to liquid coating compositions, the smoothing roll being drivable in use to permit its surface to move relative to the coated surface of the web, thereby to smooth the coating previously applied by said means.
Dependencies are inferred from the claim text.