Paper making and fiber liberation – Processes and products – Non-uniform – irregular or configured web or sheet
Reexamination Certificate
2005-07-12
2005-07-12
Fortuna, José A. (Department: 1731)
Paper making and fiber liberation
Processes and products
Non-uniform, irregular or configured web or sheet
C162S123000, C162S132000, C428S154000, C428S174000, C156S209000
Reexamination Certificate
active
06916403
ABSTRACT:
The sheet including at least a first and a second ply of tissue paper exhibiting a specific surface weight of between 10 and 40 g/m2and being embossed and assembled in a way that the protrusions defining the embossing patterns point to the inside of the sheet and subtend cavities between them is characterized in that the first ply (F1) is fitted with first frustoconical protrusions (100′) of which each top surface is between 0.3 and 4 mm2, the second ply (F2) includes second protrusions (200′) configured to be facing the first protrusions in such a manner that the first protrusions are precluded from being inserted between the second protrusions.
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Basler Michel
Hoeft Benoît
Fortuna Jos'e A.
Georgia-Pacific France
Quarles & Brady LLP
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