Multi-region paper structures having a transition region...

Details Multi-region paper structures having a transition region... Multi-region paper structures having a transition region...

2006-08-22

2006-08-22

Lamb, Brenda A. (Department: 1734)

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

C162S348000

Reexamination Certificate

active

07094320

ABSTRACT:
A multi-region paper structure having a transition region interconnecting relatively thinner regions is disclosed. The paper structure comprises a first region, a patterned second region, a third region, and transition region. The transition region interconnects the patterned second region with a background matrix. The background matrix comprises the first region and the third region. The first region comprises a plurality of discrete protuberances dispersed throughout the third region. The first and second regions are disposed at different elevations, and each has a thickness less than a thickness of the transition region. An apparatus and process for making the paper structure is also disclosed.

REFERENCES:
patent: 4514345 (1985-04-01), Johnson et al.
patent: 4637859 (1987-01-01), Trokan
patent: 5019211 (1991-05-01), Sauer
patent: 5115544 (1992-05-01), Widen

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