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AssigneeJames River Corporation of Virginia
InventorsRobert J. Marinack, Anthony O. Awofeso, Frank D. Harper, Thomas N. Kershaw
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The present invention relates to biaxially undulatory single-ply and multi-ply tissues, single-ply and multi-ply towels, single-ply and multi-ply napkins and other personal care and cleaning products as well as novel creping blades and novel processes for the manufacture of such paper products. The present invention is directed to tissue and towel product having highly desirable bulk, appearance and softness characteristics produced by utilizing a novel undulatory creping blade having a multiplicity of serrulations formed in its rake surface which presents differentiated creping angles and/or rake angles to the web as it is being creped. The invention is also directed to a novel blade having an undulatory rake surface having trough-shaped serrulations in the rake surface of the blade. The undulatory creping blade has a multiplicity of alternating serrulated sections of either uniform depth or a multiplicity of arrays of serrulations having non-uniform depth.
A creped paper suitable for use as bathroom tissue, towel napkin, and facial tissue having a basis weight of about 7 to 40 pounds for each 3,000 square foot ream comprising a biaxially undulatory cellulosic fibrous web characterized by a reticulum of intersecting undulations and crepe bars, said crepe bars extending transversely in the cross machine direction, said undulations defining:
Dependencies are inferred from the claim text.