A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/15 (2006.01) A61L 15/28 (2006.01) D04H 13/00 (2006.01) A61F 13/46 (1995.01)
Patent
CA 2149513
2149513 9410957 PCTABS00032 A method for manufacturing an absorbent structure in an absorbent article, such as a sanitary napkin, a tampon, a panty protector, an incontinence guard, a diaper, a bed protector, a wound or sore dressing, a saliva absorbent and like article. The absorbent structure includes a dry-formed sheet which includes cellulose fibres and which has a density of between 0.2-1 g/cm3 and a surface weight between 30-2000 g/m2. The sheet is formed by compressing a web of cellulose fibres and is produced in immediate conjunction with the manufacture of an absorbent article of the aforesaid kind, after conventional defibration and fluffing. The material is softened prior to being used as an absorbent material. The material has good fluid wicking properties and swelling properties effective for the function of the product. A high degree of surface dryness is obtained, among other things. In addition to cellulose fibres, the absorbent structure may also include superabsorbent material and/or binding fibres, among other things. The pulp mat is very thin, therewith obviating the need to further compress the mat in the product.
Fetherstonhaugh & Co.
Sca Hygiene Products Ab
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