Improved protection tampon and method of making

A - Human Necessities – 61 – F

Patent

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A61F 13/20 (2006.01)

Patent

CA 2424065

A tampon showing improved leakage protection through improved expansion characteristics is disclosed. The tampons disclosed demonstrate these improved expansion characteristics particularly in the width dimension without introducing new drawbacks. Preferred tampons are described which are compressed to an initial size comparable to current tampons, but which expand to a width exceeding that achieved by current tampons. Such increased expansion is preferably accomplished without an increase in the total absorbency of the tampon. Tampons of various absorbencies are disclosed having increased total expansion in the width direction compared to current tampons. Additionally, tampons of various absorbencies which expand to a greater degree in the width direction under pressure are also disclosed. Tampons of various absorbencies which expand at a rate exceeding that achieved previously are also disclosed. Microwave conditioning of tampon pledgets following compression is disclosed as part of the tampon formation process.

L'invention concerne un tampon à caractéristiques de dilatation améliorées pour une meilleure protection contre les fuites. L'amélioration des caractéristiques de dilatation des tampons de la présente invention concerne notamment leur élargissement, sans impliquer d'inconvénients nouveaux. Dans un mode préféré de réalisation, les tampons sont comprimés à des dimensions initiales comparables à celles des tampons courants, mais leur dilatation en largeur est supérieure à celle des tampons courants. Une telle augmentation de la dilatation est de préférence réalisée sans accroissement de l'absorption totale dudit tampon. La présente invention porte également sur des tampons à taux d'absorption divers, dont la dilatation totale accrue en largeur est comparable à celle de tampons habituels. En outre, l'invention concerne aussi des tampons à taux d'absorption divers, qui ont une plus grande dilatation en largeur lorsqu'ils sont soumis à une pression, ainsi que des tampons à taux d'absorption divers, dont le taux de dilatation dépasse celui précédemment cité. Enfin, ladite invention porte sur la réalisation de tampons, comprenant, après compression, un conditionnement par micro-ondes de compresses pour tampon.

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