Paper making and fiber liberation – Processes and products – Non-uniform – irregular or configured web or sheet
Patent
1998-03-27
2000-03-07
Silverman, Stanley S.
Paper making and fiber liberation
Processes and products
Non-uniform, irregular or configured web or sheet
162117, 162109, 1621641, 162158, B31F 112, B31F 107, D21H 1715
Patent
active
060335238
ABSTRACT:
The present invention relates to a process for the manufacture of a soft thick single-ply tissue, such tissue product having a basis weight of at least about 15 lbs./3,000 square foot ream and having low sidedness, said tissue exhibiting a specific total tensile strength of between 40 and 75 grams per 3 inches per pound per 3000 square feet ream, a cross direction specific wet tensile strength of between 2.75 and 7.5 grams per 3 inches per pound per 3000 square feet ream, the ratio of MD tensile to CD tensile of between 1.00 and 2.75, a specific geometric mean tensile stiffness of between 0.5 and 1.2 grams per inch per percent strain per pound per 3000 square feet ream, a ratio of product cross direction stretch to base sheet cross direction stretch of at least about 1.4, a friction deviation of less than 0.225, and a sidedness parameter of less than 0.275.
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Dwiggins John H.
Harper Frank D.
Oriaran T. Philips
Schulz Galyn A.
Fort James Corporation
Fortuna Jos'e A.
Silverman Stanley S.
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