Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1997-04-08
1999-11-02
Raimund, Christopher
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428138, 428182, 264154, 264259, 264286, B32B 310
Patent
active
059766654
ABSTRACT:
The present invention relates to a liquid-permeable casing sheet (1) for absorbent sanitary articles, such as sanitary napkins, incontinence guards and diapers. According to the invention, the casing sheet (1) includes a first layer (2) which is corrugated across at least a central part of its surface so as to provide a row of mutually parallel waves having wave crests (3) and wave troughs (4), wherein the wave crests form an article contact surface with the wearer's body when the article is in use. The casing sheet also includes rows of through-penetrating openings (6) which extend perpendicularly to the corrugations or waves and each of which opening passes through a wave crest (3). The invention also relates to a method for producing such a casing sheet.
REFERENCES:
patent: 4389211 (1983-06-01), Lenaghan
patent: 5114776 (1992-05-01), Cesaroni
patent: 5593755 (1997-01-01), Fuss
Raimund Christopher
SCA Molnlycke AB
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