A61F13/532

Absorbent article and method for manufacturing an absorbent article

An absorbent article including an absorbent core sandwiched between a liquid-permeable topsheet and a liquid-impermeable backsheet, wherein the absorbent core includes an absorbent component enclosed by a core cover including an upper side and a lower side, and a sealing arrangement for joining the upper and lower sides and including two channel sealings in the crotch portion defining a first channel sealing width and a second channel sealing width. The channel sealings are formed by thermo and/or mechanical welding pattern including a plurality of welding spots being arranged in the form of a first row along the longitudinal axis in which each welding spot extends along a first axis, and a second row along the longitudinal axis in which each welding spot extends along a second axis, the first axis and second axis defining a first angle in relation to each other.

ABSORBENT CORE FOR DISPOSABLE ABSORBENT ARTICLES WITH INCREASED ABSORPTION RATE AND IMPROVED INTEGRITY
20230081440 · 2023-03-16 ·

The present disclosure invention relates to a disposable absorbent article (100) comprising a liquid-pervious topsheet (10), a liquid-impervious backsheet (20) and an absorbent assembly (30) between the topsheet (10) and the backsheet (20). The absorbent assembly (30) comprises an absorbent core (40), an upper core wrap (50) and a lower core wrap (60). The absorbent core (40) comprises at least two cavities (70) free of absorbent material wherein the upper core wrap (50) and the lower core wrap (60) are permanently attached to each other, said cavities (70) being interconnected via at least one connecting line (80) comprising absorbent material. The absorbent core (40) has a first basis weight in the zone out of the cavities (70) and the connecting lines (80) and a second basis weight in the connecting lines (80), the first basis weight being greater than the second basis weight. in the cavities (70). The resulting absorbent assembly (30) may show all together a very good integrity, a very good distribution of fluids and a quick rate of absorption.

PROCESS AND APPARATUS FOR MAKING CHANNELED ABSORBENT ARTICLES
20230081149 · 2023-03-16 ·

A method for making an absorbent article comprising an absorbent core comprising one or more channels, the method comprising the steps of: i. providing a first endless moving surface comprising a plurality of molds typically in the form of pockets, each mold comprising an insert therein, wherein the molds are in fluid communication with an under-pressure source except for said insert such that a suction zone is formed in areas neighboring said insert; ii. feeding a first nonwoven web to said first endless moving surface and over one or more said molds; iii. depositing an absorbent material, comprising cellulose fibers and/or superabsorbent polymer particles, over at least a portion of said nonwoven web; iv. optionally further selectively removing said absorbent material from areas of the nonwoven web corresponding to said insert; v. applying a second nonwoven web directly or indirectly over the absorbent material, or folding said first nonwoven web, such to sandwich said absorbent material between upper and lower layers of said nonwoven web(s); vi. joining said upper and lower layers together at least in the areas of the nonwoven web(s) corresponding to the insert to form an absorbent core having one or more channels substantially free of absorbent material; vii. optionally joining an acquisition distribution layer to said absorbent core, typically a skin facing surface of said upper layer; viii. optionally laminating said absorbent core and acquisition distribution layer between a liquid pervious topsheet and a liquid impervious backsheet; wherein at least a portion of said insert is porous and is in fluid communication with a positive pressure source such that air is blown out of said insert to form an air cushion or air film around at least an uppermost surface of said insert and in that said absorbent material is thereby forced away from areas of the nonwoven web corresponding to said insert.

Absorbent structure for absorbent articles

Absorbent structures for absorbent articles are provided. The absorbent structure includes an absorbent layer with absorbent material supported by a supporting sheet, and a channel that is free of said absorbent material. The channel has a wet integrity of at least 20%.

Absorbent structure for absorbent articles

Absorbent structures for absorbent articles are provided. The absorbent structure includes an absorbent layer with absorbent material supported by a supporting sheet, and a channel that is free of said absorbent material. The channel has a wet integrity of at least 20%.

SMART ABSORBENT ARTICLES AND SYSTEMS
20230130185 · 2023-04-27 ·

A system for monitoring an absorbent article and providing stock management functionality, the system comprising: an absorbent article comprising: a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core positioned between said topsheet and backsheet; an indicator for indicating the presence of exudates, said indicator being positioned on a body-facing side of said backsheet, the indicator comprising a color-changing indicator and/or an electrically conductive indicator; a detection device that can be removably attached to the absorbent article and arranged to detect a change in condition of said indicator; a computing means, such as a computing device or a computing algorithm arranged to deduct a one integer from an inventory value n to generate a new number n−1 representing an actual inventory value, in response to at least one of the following: a signal from the detection device triggered by a change in the state of the absorbent article such as from dry to wet; a signal from the detection device triggered by a first-time connection to an absorbent article; and a signal from the detection device triggered by disconnection of the detection device from an absorbent article after a first-time connection to the absorbent article, and wherein the computing means is arranged to send a signal once the actual inventory value reaches a predefined threshold, wherein said signal triggers at least one of: a warning alarm; an automatic order of new stock comprising a plurality of absorbent articles; and combinations thereof.

SMART ABSORBENT ARTICLES
20230129630 · 2023-04-27 ·

An absorbent article for personal hygiene such as a diaper, or training pant, or incontinence insert, the absorbent article comprising: a liquid permeable topsheet; a liquid impermeable backsheet; an absorbent core positioned between said topsheet and backsheet, an indicator for indicating the presence of exudates and being positioned on a body-facing side of said backsheet, the indicator comprising an electrically conductive material, the article further comprising a detection device that can be removably attached to the absorbent article such to become in electrical communication with said indicator when attached to said article to measure a change in resistance or capacitance in response to a voiding event, wherein the absorbent core comprises a core wrap enclosing absorbent material therein and wherein a top layer of the core wrap is joined to a bottom layer of the core wrap to form one or more channels substantially free of absorbent material, and wherein the indicator comprises a pattern that extends inboard and/or outboard of said channel(s) such that it does not substantially overlap with said channel(s).

SMART ABSORBENT ARTICLES
20230129630 · 2023-04-27 ·

An absorbent article for personal hygiene such as a diaper, or training pant, or incontinence insert, the absorbent article comprising: a liquid permeable topsheet; a liquid impermeable backsheet; an absorbent core positioned between said topsheet and backsheet, an indicator for indicating the presence of exudates and being positioned on a body-facing side of said backsheet, the indicator comprising an electrically conductive material, the article further comprising a detection device that can be removably attached to the absorbent article such to become in electrical communication with said indicator when attached to said article to measure a change in resistance or capacitance in response to a voiding event, wherein the absorbent core comprises a core wrap enclosing absorbent material therein and wherein a top layer of the core wrap is joined to a bottom layer of the core wrap to form one or more channels substantially free of absorbent material, and wherein the indicator comprises a pattern that extends inboard and/or outboard of said channel(s) such that it does not substantially overlap with said channel(s).

Absorbent article having outwardly convex longitudinal central channels for improved protection

An absorbent article having a pair of longitudinal edges, front and rear transverse edges, a front end region, a rear end region, and a central region disposed between the front and rear end regions. The absorbent article has a liquid pervious topsheet, a liquid impervious backsheet, an absorbent core disposed between the topsheet and the backsheet, a pair of outwardly convex longitudinal central channels formed at least in the central region. The traversal distance of the pair of outwardly convex longitudinal central channels decreases towards both ends of the channels to define a central closed area. The absorbent article has a rear channel defining a rear closed area in the rear end region.

Absorbent article having outwardly convex longitudinal central channels for improved protection

An absorbent article having a pair of longitudinal edges, front and rear transverse edges, a front end region, a rear end region, and a central region disposed between the front and rear end regions. The absorbent article has a liquid pervious topsheet, a liquid impervious backsheet, an absorbent core disposed between the topsheet and the backsheet, a pair of outwardly convex longitudinal central channels formed at least in the central region. The traversal distance of the pair of outwardly convex longitudinal central channels decreases towards both ends of the channels to define a central closed area. The absorbent article has a rear channel defining a rear closed area in the rear end region.