INCONTINENCE ARTICLE IN PANT FORM

• US 20130324957A1
• Filed: 05/17/2013
• Published: 12/05/2013
• Est. Priority Date: 05/18/2012
• Status: Active Grant

• Current Assignee: Paul Hartmann AG (Schwenk Zement KG)
• Original Assignee: Paul Hartmann AG (Schwenk Zement KG)
• Inventors: Gassner, Oliver, Kesselmeier, Rdiger, Beyrle, Andreas, Malowaniec, Krysztof D.
• Granted Patent: US 9,011,405 B2
• Time in Patent Office: Days
• US Class Current: 604/365
• CPC Class Codes: A61F 13/49011 the elastic means is located at the waist region
• CPC Class Codes: A61F 13/49017 the elastic means being located at the crotch region
• CPC Class Codes: A61F 13/49019 the elastic means being placed longitudinally, transversely or diagonally over the article
• CPC Class Codes: A61F 13/4902 characterised by the elastic material
• CPC Class Codes: A61F 13/49061 the diaper having one or two waist members forming the diaper waist region and an independent absorbent structure attached to the one or two waist members forming the crotch region
• CPC Class Codes: A61F 13/4963 characterized by the seam
• CPC Class Codes: A61F 2013/49026 with variable spacing
• CPC Class Codes: A61F 2013/49028 with different tensile stress
• CPC Class Codes: A61F 2013/49036 having a inelastic zone by deactivating the elastic property

Abstract

In an incontinence article in pant form, a longitudinal extent of respective lateral seams is 100-170 mm, a ratio between this extent and an extent of the incontinence article between a waist border and a transverse center axis of the incontinence article is at most 0.42, wherein first elastifying means have a distance to one another which is at least 20% greater than a distance between second elastifying means to one another defined in the lateral seam region of the incontinence article, wherein the first elastifying means have a thread strength which is at least 20% greater than a thread strength of the second elastifying means, wherein the first and second elastifying means are fixed in the stomach section and in the back section with a pre-tension, and wherein the pre-tension of the first elastifying means is at least 10% greater than the pretension of the second elastifying means.

Claims

1. An incontinence article in pant form for absorbing bodily excretions, comprising:

a stomach section;

a back section, spaced apart from the stomach section in a longitudinal direction of the incontinence article along a longitudinal center axis, said stomach section and back section having respective lateral seam regions and being joined at the respective lateral seam regions to form respective lateral seams extending in the longitudinal direction thereby forming a stomach- and back band which is continuous in a transverse direction of the incontinence article, and has a circumferentially closed waist opening;

a crotch section having an absorption body and a body-averted side and extending in the longitudinal direction between the stomach section and the back section, said crotch section overlapping with the stomach section and the back section in respective overlapping regions and being non-detachably connected with the body-averted side to the stomach section and to the back section in the respective overlapping regions, said stomach section, back section and crotch section together delimiting leg openings of the incontinence article, said stomach and back section having respective crotch-side regions facing the leg openings;

first elastifying means extending in spaced apart and parallel relationship to one another in the transverse direction in the stomach section and back section, thereby two-dimensionally elastifying the stomach section and the back section; and

second elastifying means extending in the respective crotch-side regions of the stomach and back sections, from the respective lateral seam regions towards the longitudinal center axis into the respective overlapping regions of the crotch section and back section and of the crotch section and stomach section in an arched course with increasing distance to one another,

wherein an extent of the respective lateral seams in the longitudinal direction is 100-170 mm, and wherein a ratio between the extent of the respective lateral seams in longitudinal direction and an extent of the incontinence article between a waist border of the stomach- and back band and a transverse center axis of the incontinence article is at most 0.42,

wherein in the stomach section and in the back section a ratio between a distance of an outermost, waist-facing one of the first elastifying means in the longitudinal direction to an innermost, crotch-facing one of the first elastifying means and the extent of the incontinence article between a border of the waistband and the transverse center axis is at most 0.3,

wherein the first elastifying means have a distance to one another which is at least 20% greater than a distance between the second elastifying means to one another defined in the lateral seam region,

wherein the first elastifying means have a thread strength which is at least 20% greater than a thread strength of the second elastifying means,

wherein the first and second elastifying means are fixed in the stomach section and in the back section with a pre-tension, and wherein the pre-tension of the first elastifying means is at least 10% greater than the pretension of the second elastifying means.

2. The incontinence article of claim 1, wherein the second elastifying means have no elastifing effect in the respective overlapping regions, or are cut in the respective overlapping regions.

3. The incontinence article of claim 1, wherein the ratio between the extent of the respective lateral seams in the longitudinal direction and the extent of the incontinence article between the waist border of the stomach- and back band and the transverse center axis of the incontinence article is at most 0.4, in particular at most 0.39, in particular at most 0.38 and further in particular at least 0.25, further in particular at least 0.30.

4. The incontinence article of claim 1, wherein in the stomach section and in the back section the ratio between the distance of the outermost waist-facing first elastifying means in longitudinal direction from the innermost crotch-facing first elastifying means and the extent of the incontinence article between the border of the waistband and the transverse center axis is at most 0.29 and in particular at least 0.12, in particular at least 0.15, in particular at least 0.18.

5. The incontinence article of claim 1, wherein in the stomach section and in the back section the distance of the outermost waist-facing first elastifying means in longitudinal direction to the innermost waist facing first elastifying means is at most 120 mm, in particular at most 110 mm, in particular at most 100 mm, in particular at most 90 mm in particular at least 60 mm, in particular are least 70 mm, in particular 70-110 mm, in particular 70-100 mm, in particular 70-90 mm.

6. The incontinence article of claim 1, wherein a maximal extent of the stomach section in the longitudinal direction is 135-260 mm, in particular 145-250 mm, and/or the maximal extent of the back section in longitudinal direction is 200-320 mm, in particular 210-310 mm.

7. The incontinence article of claim 1, wherein a minimal distance of the stomach section and the back section to each other in the longitudinal direction is 250-400 mm, in particular 270-400 mm, further in particular 300-390 mm.

8. The incontinence article of claim 1, wherein a ratio between the extent of the respective lateral seams in the longitudinal direction and the extent of the stomach section or back section in the transverse direction is at most 0.22, in particular at most 0.20, in particular at least 0.10 in particular at least 0.14.

9. The incontinence article of claim 1, wherein in the stomach section and in the back section a ratio between the distance of the outermost waist-facing first elastifying means in the longitudinal direction from the innermost crotch-facing first elastifying means and an extent of the stomach section or the back section in the transverse direction is at most 0.15, in particular at most 0.14, in particular at most 0.13, and in particular at least 0.05 and further in particular at least 0.08, and further in particular at least 0.10.

10. The incontinence article of claim 1, wherein in the stomach section and/or in the back section, a ratio between the distance of the first elastifying means in the longitudinal direction to one another and the distance of the outermost waist-facing first elastifying means in the longitudinal direction to the innermost crotch-facing first elastifying means is between 0.08 and 0.25, in particular between 0.09 and 0.20, in particular between 0.10 and 0.18.

11. The incontinence article of claim 1, wherein the distance of the first elastifying means in the longitudinal direction to each other is at least 8 mm, in particular at least 10 mm, in particular 10-15 mm, in particular 11-14 mm, further in particular 12-13 mm.

12. The incontinence article of claim 1, wherein the first elastifying means are spaced apart by a distance, which is at least 30%, in particular at least 50%, in particular at most 200%, in particular at most 180%, in particular at most 150% greater than the distance defined in the respective lateral seam regions of the second elastifying means to each other.

13. The incontinence article of claim 1, wherein a minimal distance of the second elastifying means to each other in the respective lateral seam regions is 3-8 mm, in particular 3-7 mm, in particular 3-6 mm.

14. The incontinence article of claim 1, wherein the thread strength of the first elastifying means is greater than the thread strength of the second elastifying means by at least 30%, in particular by at least 50%, in particular by at most 150%, in particular by at most 130%, in particular by at most 100%.

15. The incontinence article of claim 1, wherein the thread strength of the first elastifying means is at least 1000 dtex, in particular at least 1100 dtex, in particular at least 1200 dtex, in particular 1200-1500 dtex, in particular 1200-1400 dtex.

16. The incontinence article of claim 1, wherein the thread strength of the second elastifying means is 500-1100 dtex, in particular 600-1000 dtex, in particular 700-900 dtex.

17. The incontinence article of claim 1, wherein the pre-tension of the first elastifying means is greater than the pre-tension of the second elastifying means by at least 30%, in particular by at most 100%, in particular by at most 80%, in particular by at most 60%.

18. The incontinence article of claim 1, wherein the pre-tension of the first elastifying means is 3-8, in particular 4-7, and further in particular 4-6.

19. The incontinence article of claim 1, wherein the pre-tension of the second elastifying means is 2-5, in particular 2.5-4.5, in particular 2.5-4 and further in particular 3-4.

20. The incontinence article of claim 1, wherein the second elastifying means are arranged and fixed between a first chassis material layer which forms a visible side of the stomach section or the back section, and is preferably made of a nonwoven material, and a second chassis material layer which lies inwardly relative to the first chassis material layer and is preferably made of a nonwoven material, wherein the second chassis material layer in the longitudinal direction of the incontinence article essentially does not extend past a respective associated one of the overlapping regions of the crotch section and stomach section or crotch section and back section.

21. The incontinence article of claim 1, wherein the second elastifying means are fixed in a glue bed between chassis material layers of the incontinence article, and/or wherein the first elastifying means are fixed between the chassis material layers by an adhesive provided in single-strand application on the first elastifying means.

22. The incontinence article of claim 1, wherein the first elastifying means in the stomach section and in the back section are fixed between a body-averted chassis material layer and a body-facing chassis material layer by an adhesive provided in single-strand application on the elastifying means, and wherein the body-facing chassis material layer protrudes over an associated end of the crotch section on a body-facing side of the crotch section.

23. The incontinence article of claim 1, wherein the first elastifying means in the stomach section and the back section are fixed between a body-averted chassis material layer and a body-facing chassis material layer by an adhesive provided in single-strand application on the elastifying means, wherein on the border of the stomach- and back band the chassis material layers are not folded about one another, and wherein the body-facing chassis material layer and the body-averted chassis material layer along the waist opening on the border of the stomach- and back band are not fixed to one another, thereby respectively forming a freely ending waist-side border section.

24. The incontinence article of claim 1, wherein a surface over which the crotch section and the stomach section overlap in the respective overlapping region is at least 20%, in particular 20-35%, in particular 20-30% of a surface of the stomach section and/or wherein a surface over which the crotch section and the back section overlap in the respective overlapping region is at least 25%, in particular 25-45%, in particular 25-40%, in particular 27-40% of a surface of the back section.