Composite doctor blades
AssigneeS. D. Warren Services Company
InventorGordon Eugene Carrier
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Abstract
A composite doctor blade is provided that is suitable for use in the manufacture of paper, particularly for use in calenders. The composite doctor blade includes multiple layers of composite material in which a substantial proportion of the fibers are aligned in a direction substantially parallel to the long axis of the doctor blade.
Claims19
A doctor blade having a long axis for application against a circumferential surface of a roll rotating upon a rotational axis, comprising a composite material comprising a plurality of abrasive unidirectional fibers, aligned in a direction parallel to the long axis of the doctor blade and impregnated with a resin, wherein the unidirectional fibers are provided in a unidirectional fabric that includes, based on fabric weight, at least 60% by weight unidirectional fibers.
Dependencies are inferred from the claim text.