Biaxially undulatory tissue and creping process using undulatory

Details Biaxially undulatory tissue and creping process using undulatory Biaxially undulatory tissue and creping process using undulatory

1994-12-16

1997-11-25

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-uniform, irregular or configured web or sheet

162111, 264282, 264283, B31F 112

Patent

active

056907885

ABSTRACT:
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.

REFERENCES:
patent: 1548783 (1925-08-01), Lorenz
patent: 1571593 (1926-02-01), Lorenz
patent: 1582842 (1926-04-01), Lorenz
patent: 1588732 (1926-06-01), Hoberg
patent: 3163575 (1964-12-01), Nobbe
patent: 3507745 (1970-04-01), Fuerst

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