The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 2002
Filed:
Dec. 13, 1999
Agneta Thoren, Landvetter, SE;
Bror-Inge Helmfridsson, Partille, SE;
SCA Hygiene Products AB, Gothenburg, SE;
Abstract
A method of manufacturing a fluid permeable covering sheet ( ) for an absorbent article such as a diaper, a sanitary napkin, an incontinence protector or the like, wherein heated needles ( ) are brought to penetrate a sheet of textile material ( ) comprising at least one thermoplastic component, whereby the thermoplastic component closest to the needles ( ) melts, whereafter the needles ( ) are removed and the heated material ( ) is passed through at least one nip of rollers ( ) so that the thermoplastic component closest around the apertures is smoothed out into a substantially smooth material surface around the apertures, whereafter the thermoplastic component is brought to solidify. The invention further pertains to an apertured covering sheet ( ) for an absorbent article manufactured in accordance with the method, and an absorbent article ( ) provided with a covering sheet manufactured in accordance with the method.