Absorbent paper sheet
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United States of America Patent
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N/A
Issued Date -
May 31, 2007
app pub date -
Oct 1, 2004
filing date -
Oct 2, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to a sheet comprising at least a first ply P.sub.1 and a second ply P.sub.2 superimposed on one another and made of absorbent paper, such as tissue paper, each ply having a grammage of between 10 and 40 g/m.sup.2, the first ply presenting on its outer side cavities formed by embossing, corresponding to protuberances on its other side adjacent to the second ply. The sheet is characterized in that the first ply P1 comprises first zones A.sub.1 forming cells with first cavities (12), the cells being surrounded by second zones A.sub.2 with second cavities (18), the first zones A.sub.1 being in relief on the outer side in relation to the second zones A.sub.2 with a level difference N.sub.A, the first zones A.sub.1 presenting a contour D with a marking line. The invention also relates to the embossing device permitting such a sheet product to be obtained. The product of the invention is applicable to the manufacture of paper for sanitary or household use.
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