| 摘要 |
PCT No. PCT/FR97/00104 Sec. 371 Date Aug. 24, 1998 Sec. 102(e) Date Aug. 24, 1998 PCT Filed Jan. 20, 1997 PCT Pub. No. WO97/27365 PCT Pub. Date Jul. 31, 1997A sheet constituted by at least two plies of cellulose wadding or other layer of cellulose fibers having a specific surface weight between 10 and 40 g/m2 and are embossed and assembled in such a manner that the protrusions defining the embossing patterns are pointing to the inside of the sheet and subtend cavities between them, the sheet being characterized in that the plies (10, 20) are embossed with different embossing patterns, a first pattern composed of first protrusions (12) having only a small surface at the tops and being at least 30/cm2 in one of the plies (10), and a second pattern composed of pattern elements (21) formed by second protrusions (22) having elongated tops, where the pattern elements are mutually spaced apart, and are present in the second ply (20). |
