ABSORBENT ARTICLE HAVING A HUMP

1 . An absorbent article ( 1 ), the absorbent article ( 1 ) being a personal hygiene article, which article has a longitudinal direction (Y) and a transverse direction (X), a front portion ( 2 ), a rear portion ( 4 ) and a crotch ( 3 ) portion located between the rear portion ( 4 ) and the front portion ( 2 ), the article comprising a liquid permeable topsheet ( 5 ), a liquid impermeable backsheet ( 6 ), and an absorbent core ( 7 ) enclosed between the topsheet ( 5 ) and the backsheet ( 6 ), and a hump ( 8 ) arranged substantially in the crotch portion ( 3 ) between the topsheet ( 5 ) and the backsheet ( 6 ) and extending in the longitudinal direction (Y) of the article characterised in that said hump ( 8 ) having an essentially rectangular form with a first and a second longitudinal side edge ( 9 , 10 ) extending in the longitudinal direction (Y) of the article ( 1 ), a front transverse side edge ( 11 ) extending in the transverse direction (X) towards the front portion ( 2 ) of the article ( 1 ), a back transverse side edge ( 12 ) extending in the transverse direction (X) towards the rear portion ( 4 ) of the article ( 1 ), wherein said front transverse side edge ( 11 ) of said hump ( 8 ) comprises a protuberance ( 13 ) and said back transverse side edge ( 12 ) of said hump ( 8 ) comprises a recess ( 14 ).

2 . The absorbent article ( 1 ) of claim 1 , wherein said hump ( 8 ) is arranged between the topsheet ( 5 ) and the absorbent core ( 7 ).

3 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said protuberance ( 13 ) has a convex shape.

4 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said recess ( 14 ) has a concave shape.

5 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said article ( 1 ) having a horizontal plane extending in said longitudinal and transverse direction ( 9 , 10 ) of the article ( 1 ), wherein said protuberance ( 13 ) extending substantially in said horizontal plane.

6 . The absorbent article ( 1 ) according to any one of the preceding claims, said article ( 1 ) having a horizontal plane extending in said longitudinal and transverse direction ( 9 , 10 ) of the article ( 1 ), wherein said recess ( 14 ) extending substantially in said horizontal plane.

7 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said protuberance ( 13 ) comprising a contour extending between said first and second longitudinal side edge ( 9 , 10 ) of the hump ( 8 ), said recess ( 14 ) comprising a contour extending between said first and second longitudinal side edge ( 9 , 10 ) of the hump ( 8 ), wherein the respective contours are essentially identical.

8 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said protuberance ( 13 ) comprising a contour extending between said first and second longitudinal side edges ( 9 , 10 ) of the hump ( 8 ), said contour has a sine shape.

9 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said recess ( 14 ) comprising a contour extending between said first and second longitudinal side edge ( 9 , 10 ) of the hump ( 8 ), said contour has a sine shape.

10 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said absorbent article ( 1 ) further comprising an additional layer ( 15 ) positioned between said liquid permeable topsheet ( 5 ) and said hump ( 8 ).

11 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said absorbent article ( 1 ) further comprising an additional layer ( 15 ) positioned between said hump ( 8 ) and said absorbent core ( 7 ).

12 . The absorbent article ( 1 ) according to any of claim 10 or 11 , wherein said additional layer ( 15 ) is a liquid acquisition layer ( 15 ).

13 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein a distance (A) between said front transverse side edge ( 11 ) of said hump ( 8 ) and said back transverse side edge ( 12 ) of said hump ( 8 ) is between 20 mm and 120 mm, preferably between 40 mm and 100 mm and more preferably between 60 mm and 80 mm.

14 . The absorbent article ( 1 ) according to claim 13 , wherein said hump ( 8 ) further comprising a first point of intersection (P 1 ) between said first longitudinal side edge ( 9 ) of the hump ( 8 ) and said back transverse side edge ( 12 ) of the hump ( 8 ), a second point of intersection (P 2 ) between said second longitudinal side edge ( 10 ) of the hump ( 8 ) and said back transverse side edge ( 12 ) of the hump ( 8 ), and an imaginary straight line (L 1 ) extending in the transverse direction (X) of said article ( 1 ) from said first point of intersection (P 1 ) to said second point of intersection (P 2 )) and an imaginary point (Z 1 ) positioned in the centre of said imaginary straight line (L 1 ), wherein said front transverse side edge ( 11 ) of the hump ( 8 ) further comprising an outermost point (Y 2 ) positioned in a longitudinal direction (Y) nearest the front portion ( 2 ) of the article ( 1 ), wherein said distance (A) is the longest distance of the hump ( 8 ) in a longitudinal direction (Y) of the article between said outermost point (Y 2 ) and said imaginary point (Z 1 ).

15 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said hump ( 8 ) has a thickness (B) between 0.5 mm and 30 mm, preferably between 1 mm and 10 mm and more preferably between 2 mm and 5 mm.

16 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein a distance (C) between said first and second longitudinal side edge ( 9 , 10 ) of said hump ( 8 ) is between 20 mm and 70 mm, preferably between 30 mm and 40 mm.

17 . The absorbent article ( 1 ) according to claim 14 , wherein said distance (C) is the longest distance in a transverse direction (X) of the hump ( 8 ) between said first and second longitudinal side edge ( 9 , 10 ) of said hump ( 8 ).

18 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said back transverse side edge ( 12 ) of the hump ( 8 ) further comprising an innermost point (Y 1 ) positioned in a longitudinal direction (Y) nearest the front portion ( 2 ) of the article ( 1 ), wherein a distance D 1 between said innermost point (Y 1 ) and said imaginary point (Z 1 ) is between 5 mm and 50 mm and more preferably between 10 mm and 25 mm.

19 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said hump ( 8 ) further comprising a third point of intersection (P 3 ) between said first longitudinal side edge ( 9 ) of the hump ( 8 ) and said front transverse side edge ( 11 ) of the hump ( 8 ), a fourth point of intersection (P 4 ) between said second longitudinal side edge ( 10 ) of the hump ( 8 ) and said front transverse side edge ( 11 ) of the hump ( 8 ), an imaginary straight line (L 2 ) extending in the transverse direction (X) of said article ( 1 ) from said third point of intersection (P 3 ) to said fourth point of intersection (P 4 ), and an imaginary point (Z 2 ) positioned in the centre of said imaginary straight line (L 2 ), wherein a distance D 2 between said outermost point (Y 2 ) and said imaginary point (Z 2 ) is between 5 mm and 50 mm and more preferably between 10 mm and 25 mm.

20 . The absorbent article ( 1 ) according to any of claims 18 and 19 , wherein said distance D 1 is identical with said distance D 2 .

21 . The absorbent article ( 1 ) according to any one of the preceding claims, wherein said hump ( 8 ) constitutes of a nonwoven high loft material, an airlaid material or a foam material.