Processing

Please wait...

Settings

Settings

Goto Application

1. WO2014200395 - STACK OF WEB MATERIAL FOR HYGIENE PRODUCTS

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

A stack (1) of web material for hygiene products, comprising at least one web material (2, 3) being Z-folded about transverse folding lines (4), thereby providing panels having a length (L) along said folding lines, and a width (W) perpendicular to said folding lines,

said panels being piled on top of each other to form a height (H) of said stack extending between a first end surface (5) and a second end surface (6) of the stack (1), and

said first end surface (5) being provided with a first connector (1 1a), and said second end surface (6) being provided with a second connector (1 1 b), said first and second connectors (1 1a, 1 1 b) being adapted for interconnection of the first end surface (5) of the stack to a second end surface (6) of another, similar stack, and/or of the second end surface (6) of the stack to a first end surface (5) of another, similar stack via said connectors (1 1 a, 1 1 b),

characterized in that

said first connector (11 a) comprises a first generally smooth connection surface consisting of a first material, and

said second connector (11 b) comprises a second generally smooth connection surface consisting of a second material;

said first and second materials having such properties that, upon bringing said first and second smooth surfaces into contact with each other, the surfaces attach to each other by surface adhesion of the kind where the surfaces are repeatedly removable from and reattachable to each other while leaving the surfaces substantially unaltered,

whereby a connection between a first/second connector of the stack and a second/first connector of a similar stack is accomplished, said connection having a connection strength in a plane including the connection surfaces sufficient to pull the web of the interconnected stacks.

A stack in accordance with claim 1 , wherein said connection strength is at least 1 N, preferably at least 2 N, most preferred at least 4 N.

3. A stack in accordance with claim 1 or 2, wherein said first and second materials are selected such that, upon bringing said first or second smooth surface into contact with the web material, no surface adhesion occurs.

4. A stack in accordance with any one of the preceding claims, wherein said first and second materials are selected such that the surfaces attach to each other by surface adhesion caused by intermolecular interactions.

5. A stack in accordance with claim 4, wherein at least one of said surfaces displays a microstructure.

6. A stack in accordance with any one of the claims 1 to 3, wherein said surface

adhesion comprise diffusive adhesion.

7. A stack in accordance with any one of the claims 1 to 3, wherein said surface

adhesion comprise electrostatic adhesion.

8. A stack in accordance with any one of the previous claims, wherein said first and/or second material is a YupoTako ® material, a YupoJello ® material, or a YupoStatic ® material.

9. A stack in accordance with any one of the previous claims, wherein said first and second surfaces are similar surfaces.

10. A stack in accordance with any one of the claims 1 to 8, wherein said first and

second connector surfaces are different surfaces.

1 1. A stack in accordance with any one of the previous claims, wherein the first and/or second connector consists of a homogenous piece of material forming the connection surface.

12. A stack in accordance with any one of the previous claims, wherein the first and/or second connector comprises a layer of a material forming the connection surface.

13. A stack in accordance with any one of the previous claims, wherein the first and/or second connector is covered by a removable release material (20).

14. A stack in accordance with any one of the previous claims, comprising a fastener, such as an adhesive, which fastens the first and/or second connector to the stack.

15. A stack in accordance with any one of the previous claims, wherein the first and/or second connector is formed by a material being formed directly on the stack, e.g. by a material being sprayed or extruded directly onto the stack.

16. A stack in accordance with any one of the previous claims, wherein said web

material is continuous.

17. A stack in accordance with any one of the previous claims, said stack (1) being provided with a wrapper (14) encircling said stack(1), the wrapper (14) being slidable against said connector materials, such that the wrapper (14) may be removed from the stack (1) without being hindered by the connectors (1 1a, 1 1 b).

18. Compound stack comprising a first and a second stack in accordance with any one of the previous claims, said first and second stack being interconnected via their first and second connectors.

19. Use of

a first generally smooth connection surface consisting of a first material, and a second generally smooth connection surface consisting of a second material; said first and second materials having such properties that, upon bringing said first and second smooth surfaces into close contact with each other, the surfaces attach to each other by surface adhesion of the kind where the surfaces are repeatedly removable from and reattachable to each other while leaving the surfaces substantially unaltered,

for interconnecting stacks of folded web material in a dispenser.