Paper making and fiber liberation – Processes and products – Non-uniform – irregular or configured web or sheet
Patent
1994-03-30
1996-02-27
Lacey, David L.
Paper making and fiber liberation
Processes and products
Non-uniform, irregular or configured web or sheet
162123, 162125, 162130, 162129, 162132, B31F 112, D21H 2730
Patent
active
054945542
ABSTRACT:
The formation of wet-pressed tissue webs useful for facial tissue, bath tissue, paper towels or the like is substantially improved by forming the wet tissue web in layers in which the second-formed layer has a consistency which is significantly less than the consistency of the first-formed layer. The fiber support index of the forming fabric is about 170 or greater. The resulting improvement in web formation enables uniform debonding during creping, which in turn provides a significant improvement in softness and a reduction in linting. Wet-pressed tissues made with this process are uniformly internally debonded, as measured by a high Void Volume Index, which is comparable to that of throughdried tissues.
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Allen Peter J.
Edwards Steven L.
Renier Oliver P.
Croft Gregory E.
Kimberly-Clark Corporation
Lacey David L.
Nguyen Dean T.
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