IP Library › Granted Patent US 12,472,109
Granted Patent B2
US 12,472,109 · App. 16/640,538 · Granted Nov 18, 2025

Disposable hygiene article

Inventors: Philip Blomström (Gothenburg, SE); Shadi Ståhl (Mölndal, SE)
Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAG
A61F13/4752A61F13/42A61F13/51394A61F13/51496A61F13/5616A61F2013/8402A61F2013/8497
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Quick Facts
Patent No.
US 12,472,109
App. No.
16/640,538
Granted
Nov 18, 2025
Kind
B2
Abstract

Disposable hygiene article is provided including a liquid-permeable topsheet, a liquid-impermeable backsheet, an absorbent core and liquid side barriers arranged substantially along longitudinal edges of the absorbent core and provided to reduce side-edge leakage. The coloured indications are provided on the article along the liquid side barriers to indicate the presence of the liquid side barriers to a user, the coloured indications being provided underneath at least one layer of translucent material so as to be visible through the at least one layer of translucent material while avoiding direct contact with the user's skin.

Claims (57)

1 . A disposable hygiene article, comprising:

a liquid-permeable topsheet;

a liquid-impermeable backsheet;

an absorbent core arranged between said topsheet and said backsheet, the absorbent core defining a longitudinal centre axis which extends substantially in the middle of the core in a longitudinal direction of the article;

side flaps disposed on transverse sides of the absorbent core, and

liquid side barriers arranged substantially along longitudinal edges of said absorbent core and provided to reduce side-edge leakage;

wherein each of the liquid side barriers is formed by a side layer,

wherein a longitudinal edge of said side layer overlaps longitudinal edge of said backsheet, the longitudinal edges of the side layer and the backsheet being terminal ends thereof facing a transverse direction,

wherein coloured indications are provided on the article along said liquid side barriers to indicate the presence of said liquid side barriers to a user,

wherein coloured indications are positioned between said longitudinal edge of said side layer and said longitudinal edge of said backsheet,

wherein said coloured indications are provided underneath at least one layer of translucent material so as to be visible through said at least one layer of translucent material while avoiding direct contact with the user's skin,

wherein, in at least one longitudinal position including the side flaps, the coloured indications do not overlap the absorbent core,

wherein said at least one layer of translucent material includes the topsheet.

2 . The disposable hygiene article according to claim 1 , wherein at least parts of said coloured indications are provided on longitudinal edge portions of said topsheet.

3 . The disposable hygiene article according to claim 2 , wherein said coloured indications are printed on a garment facing side of said topsheet, said topsheet forming a first layer of translucent material.

4 . The disposable hygiene article according to claim 3 , wherein a further coloured indication is printed on said garment facing side of said topsheet, said further coloured indication being located in an absorption area of the article in between said longitudinal edge portions of the topsheet and being provided to indicate a wetting area to the user.

5 . The disposable hygiene article according to claim 1 , wherein said coloured indications extend between opposite longitudinal edges of the side layer.

6 . The disposable hygiene article according to claim 1 , wherein the liquid side barriers consist entirely of non-elastic material.

7 . The disposable hygiene article according to claim 1 , wherein said article further comprises an acquisition layer positioned between said absorbent core and said topsheet.

8 . The disposable hygiene article according to claim 1 , further comprising:

a further coloured indication positioned such that, in at least one longitudinal position including the side flaps, an entirety of the further coloured indication overlaps the absorbent core.

9 . A disposable hygiene article, comprising:

a liquid-preamble topsheet;

a liquid-impermeable backsheet;

an absorbent core arranged between said topsheet and said backsheet, the absorbent core defining a longitudinal centre axis which extends substantially in the middle of the core in a longitudinal direction of the article;

side flaps disposed on transverse sides of the absorbent core, and

liquid side barriers arranged substantially along longitudinal edges of said absorbent core and provided to reduce side-edge leakage,

wherein each of the liquid side barriers is formed by a side layer,

wherein a longitudinal edge of said side layer overlaps a longitudinal edge of said backsheet, the longitudinal edges of the side layer and the backsheet being terminal ends thereof facing a transverse direction,

wherein coloured indications are provided on the article along said liquid side barriers to indicate the presence of said liquid side barriers to a user,

wherein said coloured indications are positioned between said backsheet and a longitudinal edge of said topsheet and overlapping the side layer, the longitudinal edge of the topsheet being a terminal end thereof facing a transverse direction,

wherein said coloured indications are provided underneath at least one layer of translucent material so as to be visible through said at least one layer of translucent material while avoiding direct contact with the user's skin,

wherein, in at least one longitudinal position including the side flaps, the coloured indications do not overlap the absorbent core,

wherein said at least one layer of translucent material includes the topsheet.

10 . The disposable hygiene article according to claim 9 , wherein said side layers comprise, on each side, a portion which extends above the respective coloured indication, said portion forming a second layer of translucent material.

11 . The disposable hygiene article according to claim 10 , wherein said portions of said side layers extend above said topsheet while being loose therefrom.

12 . The disposable hygiene article according to claim 11 , wherein said portions form, or form part of, said liquid side barriers.

13 . The disposable hygiene article according to claim 9 , wherein said liquid side barriers are provided for being at least partly raised to a substantially upright position in use.

14 . The disposable hygiene article according to claim 9 , wherein the side flaps are flexible side flaps arranged on opposite sides of said absorbent core and provided for attaching said article to a garment.

15 . The disposable hygiene article according to claim 14 , wherein said side barriers are provided for being at least partly raised by folding said flexible side flaps to a position in which said hygiene article is secured to said garment.

16 . The disposable hygiene article according to claim 9 , wherein said side barriers are provided for being at least partly raised by folding said flexible side flaps substantially along said coloured indications.

17 . The disposable hygiene article according to claim 9 , wherein said side layers each comprise a multiple layered section where the side layer is folded at least once, said multiple layered sections forming, or forming part of, said liquid side barriers.

18 . The disposable hygiene article according to claim 10 , wherein said portions of said side layers, which form the liquid side barriers or part thereof, extend over the full length of the article.

19 . The disposable hygiene article according to claim 10 , wherein said portions of said side layers, which form the liquid side barriers or part thereof, have a width in transverse direction T of the article ranging from 2.0 to 10.0 mm.

20 . A method for manufacturing a disposable hygiene article,

wherein the hygiene article comprises:

a liquid-permeable topsheet,

a liquid-impermeable backsheet,

an absorbent core arranged between said topsheet and said backsheet, the absorbent core defining a longitudinal centre axis which extends substantially in the middle of the core in longitudinal direction (L) of the article,

side flaps disposed on transverse sides of the absorbent core, and

liquid side barriers including side layers arranged substantially along and overlapping outer longitudinal edges of said absorbent core and provided to reduce side-edge leakage during user of said article,

wherein the method comprises:

a printing step by which a first coloured indication is printed on a garment facing side of said topsheet, said first coloured indication being located in an absorption area of the article, at an area of said top sheet in overlapping arrangement with one of said side layers and being provided to indicate a wetting area to a user, and

wherein by said printing step second coloured indications are printed on the garment facing side of said topsheet, said second coloured indications being located on said longitudinal edge portions of the topsheet and being provided to indicate the presence of said liquid side barriers to the user, and

wherein, in at least one longitudinal position including the side flaps, the second coloured indications do not overlap the absorbent core.

21 . The disposable hygiene article according to claim 20 , wherein said portions of said side layers, which form the liquid side barriers or part thereof, have a width in transverse direction T of the article ranging from 3.0 to 7.0 mm.

22 . The method according to claim 20 , wherein the first coloured indication is positioned such that, in at least one longitudinal position including the side flaps, an entirety of the first coloured indication overlaps the absorbent core.

Continuity (1)
Related Publication 20200352796A1 · Nov 12, 2020
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