US 11,850,132 B2Granted

Absorbent article having an improved fastening system and a method to manufacture such absorbent article

AssigneeEssity Hygiene and Health Aktiebolag

InventorsAnders Silfverstrand, Maria Swedberg

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Abstract

An absorbent article includes a first body portion, a second body portion and a crotch portion located between the first body portion and the second body portion. At least one of the first body portion or the second body portion includes at least one side panel having a multilayered portion. The multilayered portion includes at least a first layer and a second layer. The multilayered portion is obtained by folding the at least one side panel. The first and the second layer of the multilayered portion are connected to each other and the multilayered portion is provided with surface protrusions at one surface of the multilayered portion. The surface protrusions are integrally made of material of the multilayered portion. Furthermore, the disclosure relates to manufacturing such an absorbent article.

Claims23

Dependent claims

An absorbent article having a longitudinal direction, a longitudinal center line extending along said longitudinal direction, and a lateral direction, said absorbent article comprising a first body portion, a second body portion and a crotch portion located between said first body portion and said second body portion, at least one of said first body portion or said second body portion comprises at least one side panel,

said at least one side panel comprising at least one multilayered portion,
said at least one multilayered portion comprising at least a first layer and a second layer,
said at least one multilayered portion comprising a first surface and a second surface,
said at least one multilayered portion being obtained by folding said side panel,
said first layer and said second layer of said at least one multilayered portion being connected to each other and at least part of said first surface of said at least one multilayered portion being provided with surface protrusions,
said surface protrusions being integrally made of material of said first layer and said second layer of said at least one multilayered portion such that said surface protrusions are integrally connected to at least one of said first layer and said second layer,
wherein said at least one multilayered portion is subjected to a softening and forming operation to simultaneously connect said first layer and said second layer of said at least one multilayered portion and to provide said at least one multilayered portion with said surface protrusions.

4 more elements

said at least one side panel comprising at least one multilayered portion;
said at least one multilayered portion comprising at least a first layer and a second layer,
said at least one multilayered portion comprising a first surface and a second surface,
said at least one multilayered portion being obtained by folding said side panel,
said first layer and said second layer of said at least one multilayered portion being connected to each other and at least part of said first surface of said at least one multilayered portion being provided with surface protrusions,
said surface protrusions being integrally made of material of said first layer and said second layer of said at least one multilayered portion such that said surface protrusions are integrally connected to at least one said first layer and said second layer.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/313,742Filed 5 Jul 2016
Published: US 2019/0224054 A125 Jul 2019
Granted: 26 Dec 2023
Term ends: Not estimatedThe source records don’t support an estimate.

Classification14 codes

A61F 13/49058
Specially adapted to be worn around the waist, e.g. diapers or nappies: characterised by the modular concept of constructing the diaper
A61F 13/15747
Mechanical treatment, e.g. notching, twisting, compressing, shaping: folding; Pleating; Coiling; Stacking; Packaging
A61F 13/51104
Topsheet, i.e. the permeable cover or layer facing the skin: the top sheet having a three-dimensional cross-section, e.g. corrugations,…
A61F 13/5116
Topsheet, i.e. the permeable cover or layer facing the skin: being formed of multiple layers