ONTEX GROUP NV

The present invention relates to a method of guiding a web with a shifting path of the web to a substantially constant centration point. It comprises the steps of providing a web with a shifting path of the web from a source of the web, measuring upstream of said centration point, the position and/or orientation of said web by a sensor arrangement, and guiding said web to said centration point in accordance to the measurement results. The present invention advantageously relates to operations in the manufacturing of absorbent articles such as unwinding web rolls that are wound in a shifted manner, in particular spirally wound web rolls, and removing web from containers of loose web material. The invention also relates to a device for the execution of the method.

An absorbent article comprising: a topsheet; a backsheet; and an absorbent core sandwiched between said topsheet and backsheet; said core comprising absorbent material that is substantially enclosed by a core wrap, wherein said core wrap comprises a top core wrap layer and a bottom core wrap layer, said core comprising an absorbent-material-deposition zone comprising a first basis weight of absorbent material, and wherein the top core wrap layer and a bottom core wrap layer are joined together at an elongate bonding region substantially free of absorbent material; and wherein said core further comprises one or more unfastened regions comprising a second basis weight of absorbent material, and wherein the first basis weight is greater than the second basis weight; wherein the elongate bonding region and the one or more unfastened regions are substantially connected to each other and wherein the at least one said elongate bonding region overlaps a longitudinal centerline of said absorbent core and extends therealong and in that the one or more unfastened regions are positioned outboard of said longitudinal centerline.

The present disclosure pertains to an absorbent article for personal hygiene, preferably a disposable pant, comprising: a substantially transversely extending front panel; a substantially transversely extending back panel; and a substantially longitudinally extending absorbent insert joined to each of said front and back panels, said absorbent insert comprising front and back transversal edges and left and right longitudinal edges connecting the front and back transversal edges to form a perimeter thereof; and wherein said insert ( 4 ) comprises an absorbent core; wherein the front and back panels are joined together to define a pair of side seams, and wherein said article comprises a transversal waist barrier proximal to the front and/or back transversal edges of the absorbent insert wherein said barrier comprises a plurality of liquid retarding layers and wherein said plurality of liquid retarding layers comprise at least two layers selected from the group consisting of hydrophobic nonwovens, films, and/or strands and; wherein at least a majority of the waist barrier ( 5 ) comprises at least two of said plurality of liquid retarding layers and wherein said at least two of said plurality of liquid retarding layers are un-joined at one or more locations so that said layers are separated from one another at said location(s) by a gap, and wherein said one or more locations together corresponding to a majority of a total surface of said waist barrier ( 5 ).

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, each mold comprising a non-porous insert therein, typically said insert having the inverse shape of said channel(s), wherein the molds are in fluid communication with an under-pressure source except for 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. 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 step vi. comprises the step of selectively applying a first pressure onto the absorbent core, preferably only, in a central portion thereof and a second pressure, preferably only, along peripheral longitudinal side edges thereof miming opposite and parallel to each other and being outboard of said central portion, said central portion corresponding at least to a region of the core comprising said channel(s), and wherein said first and second pressures are successively applied along a machine direction (MD).

An absorbent article comprising: a topsheet; a backsheet; and an absorbent core sandwiched between said topsheet and backsheet; said core comprising absorbent material that is substantially enclosed by a core wrap, wherein said core wrap comprises a top core wrap layer and a bottom core wrap layer, said core comprising an absorbent-material-deposition zone comprising a first basis weight of absorbent material, and wherein the top core wrap layer and a bottom core wrap layer are joined together at one or more bonding regions substantially free of absorbent material; and wherein said core further comprises one or more unfastened regions comprising a second basis weight of absorbent material, and wherein the first basis weight is greater than the second basis weight; wherein the one or more bonding regions and the one or more unfastened regions are substantially connected to each other to form an interconnected matrix or shape extending along a longitudinal direction running substantially parallel to a longitudinal centreline of said absorbent core wherein said interconnected matrix or shape is flanked and/or circumscribed by absorbent material of the absorbent-material-deposition zone and the one or more unfastened regions are substantially free of absorbent material such that a ratio of second basis weight to first basis weight is less than 0.25.

An absorbent article comprising: a topsheet; a backsheet; and an absorbent core sandwiched between said topsheet and backsheet; said core comprising absorbent material that is substantially enclosed by a core wrap, wherein said core wrap comprises a top core wrap layer and a bottom core wrap layer, said core comprising an absorbent-material-deposition zone comprising a first basis weight of absorbent material, and wherein the top core wrap layer and a bottom core wrap layer are joined together at a plurality of discrete bonding regions substantially free of absorbent material; and wherein said core further comprises one or more unfastened regions comprising a second basis weight of absorbent material, and wherein the first basis weight is greater than the second basis weight; wherein the plurality of discrete bonding regions and the one or more unfastened regions are substantially connected to each other with at least a plurality of said discrete bonding regions (B r ) being disposed outboard of a longitudinal centreline (y) of said absorbent core ( 4 ) and the discrete bonding regions are positioned such that neighbouring and/or consecutive bonding regions are separated by at least a portion of said absorbent-material-deposition zone along a longitudinal direction running substantially parallel to a longitudinal centreline of said absorbent core.

A disposable absorbent insert comprising: a liquid permeable topsheet; a liquid impermeable backsheet; and an absorbent core comprising absorbent material therein and being sandwiched between said topsheet and backsheet; wherein the insert comprises a perimeter formed by first and second transverse edges and first and second longitudinal edges connecting the first and second transverse edges; a longitudinal centerline extending substantially parallel to said first and second longitudinal edges and interposed therebetween such to divide said insert into a first longitudinal half between said longitudinal centerline and said first longitudinal edge and a second longitudinal half between said longitudinal centerline and said second longitudinal edge; and a transverse centerline extending substantially parallel to said first and second transverse edges and interposed therebetween such to divide said insert into a first transverse half between said transverse centerline and said first transverse edge and a second transverse half between said transverse centerline and said second transverse edge; wherein the insert comprises at least one first fastening element at a body-facing side of said insert, said at least one first fastening element being positioned at least proximal to the first and/or second transverse edges; and wherein each said first fastening element is configured to secure onto a corresponding second fastening element of a re-usable outer shell.

An absorbent article comprising an absorbent core sandwiched between a liquid permeable topsheet and a liquid impermeable back-sheet, and an acquisition distribution system positioned between said topsheet and said absorbent core, wherein the absorbent core comprises absorbent material selected from the group consisting of cellulose fibers, superabsorbent polymers and combinations thereof, wherein said absorbent material is contained within at least one core wrap substrate enclosing said absorbent material, and wherein a top layer of said core wrap is adhered to a bottom layer of said core wrap to form one or more channels substantially free of said absorbent material, wherein said channels have a length extending along a longitudinal axis and the absorbent core has a length extending along said longitudinal axis and wherein the length of said channels is from 10% to 95% of the length of said absorbent core and wherein said channels each follow a substantially continuous path such as from a first end of a channel to a second end of the same channel wherein the acquisition distribution system is multi-layered and comprises at least one spunbond layer and at least one meltblown layer, and wherein said acquisition distribution system is positioned between said absorbent core and said topsheet such that said spunbond and/or meltblown layers are in direct contact with said absorbent core and said topsheet.

The invention pertains to sanitary napkin ( 10 ) comprising: a topsheet ( 14 ), a backsheet ( 16 ), an absorbent core ( 12 ) arranged between said topsheet ( 14 ) and backsheet ( 16 ), two wings ( 24 ), the sanitary napkin ( 10 ) extending in longitudinal, transversal and vertical directions (L,T,V), the sanitary napkin ( 1 ) being divided with respect to the longitudinal direction, into a front portion (F), a rear portion (R) and a central portion (C) arranged between said front and rear portions, the central portion (C) being defined by the length of the wings ( 24 ) taken in the point in which they extend from the longitudinal sides ( 32 ) of the sanitary napkin ( 10 ) in a direction parallel to the longitudinal axis (y-y), wherein a layer of adhesive ( 20 ) is arranged on the side of the backsheet ( 16 ) opposite to the absorbent core ( 12 ). According to the invention, said layer of adhesive ( 20 ) is arranged on the backsheet ( 16 ) in a discontinuous pattern, said pattern of adhesive comprising: a first area of adhesive ( 40 ) arranged in the front portion (F), a second area of adhesive ( 42 ) arranged in the rear portion (R); a third area of adhesive ( 45 ) being arranged on the wings ( 24 ); wherein said pattern of adhesive comprises an adhesive-free area ( 46 ) between the first area of adhesive ( 40 ) and the second area of adhesive ( 42 ), said adhesive-free area ( 46 ) longitudinally extending on a length that is greater than or equal to the length of the third area of adhesive ( 45 ) with respect to the longitudinal direction (L).

The current invention concerns an absorbent article ( 10 ) comprising an absorbent core ( 12 ) sandwiched between a liquid permeable topsheet ( 14 ) and a liquid impermeable backsheet ( 16 ), and an acquisition distribution layer ( 18 ) arranged between said topsheet ( 14 ) and said absorbent core ( 12 ), wherein the absorbent core ( 12 ) comprises at least an absorbent material layer. According to the invention the topsheet ( 14 ) consists essentially of an air-through bonded nonwoven layer and is free of spunbond nonwoven layers, the acquisition distribution layer ( 18 ) comprises a spunbonded and/or thermocarded nonwoven layer, and the absorbent core ( 12 ) comprises at least one channel ( 26 ) free of absorbent material. The invention also relates to the use of such an absorbent article ( 10 ), for managing liquid stool.