Paper making and fiber liberation – Processes and products – Non-uniform – irregular or configured web or sheet
Reexamination Certificate
2007-06-26
2007-06-26
Halpern, Mark (Department: 1731)
Paper making and fiber liberation
Processes and products
Non-uniform, irregular or configured web or sheet
C162S109000, C162S111000, C162S112000, C428S156000, C428S141000, C428S343000, C264S284000, C156S209000, C156S220000
Reexamination Certificate
active
09995416
ABSTRACT:
A multi-layered paper product that has bridging regions for inhibiting nesting is provided. For example, the paper product can contain a first and second layer that define ridges and valleys. Bridging regions are formed into at least one of the outer surfaces of the layers. In particular, the bridging regions are positioned at an angle of between about 0° to about 180° relative to the ridges and also have a length sufficient to extend between the peaks of at least two of the ridges. The bridging regions can be formed in a variety of ways, such as with an embossing roll that contains embossing elements. Moreover, the bridging regions can also have a variety of shapes, sizes, orientations, and/or patterns.
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PCT Search Report, Sep. 12, 2002.
Dority & Manning P.A.
Halpern Mark
Kimberly--Clark Worldwide, Inc.
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