Internally fed applicator

1. An internally fed applicator for applying a fluid comprising:

a closure piece configured to fix the applicator to a dispensing apparatus;

an internally hollow lip section connected to the closure piece in a fluid conducting manner, the lip section comprising an outlet at a distal end, the outlet having an outlet width and a gap height, the gap height being significantly smaller than the outlet width, and the lip section further comprising a flat passage having a width, the width of the flat passage significantly increasing from a root of the flat passage up to the outlet; and

a bristle stock comprising bristles, the bristle stock being supported at the distal end of the lip section, the bristle stock further being made of bristles injection molded and integrally formed with the lip section, each bristle having a diameter of at most 0.8 mm, and the supplied fluid being delivered via the lip section to the bristle stock.

2. The applicator of claim 1 , wherein

the bristle stock completely surrounds the outlet.

3. The applicator of claim 1 , wherein

at least a predominant number of the bristles forming the bristle stock has a bristle center line extending essentially parallel to a center line of the lip section.

4. The applicator in of claim 1 , wherein

at least one border of the lip section has a single row of bristles, the bristles standing adjacent one another along the border.

5. The applicator of claim 1 , wherein

the bristles do not protrude into or in front of an exit cross section of the outlet of the lip section.

6. The applicator of claim 1 , wherein

the bristles have a generally round cross section over their total length.

7. The applicator of claim 1 , wherein

a lateral surface of the bristles is conical having a cone angle of between 0.3° to 2.5° with respect to the longitudinal axis of the respective bristles.

8. The applicator of claim 1 , wherein

at least a predominant number of the bristles has a bristle length of at most 4.5 mm.

9. The applicator of claim 1 , wherein

a bristle diameter at a bristle root is smaller than a wall thickness of a wall supporting the bristles in a region of the bristle root.

10. The applicator of claim 1 , wherein

a diameter or a width of the lip section increases in at least one plane from the closure piece to the outlet.

11. The applicator of claim 1 , wherein

the outlet has a width configured to be flowed through in a first direction ranging from ≧3 mm and ≦16 mm.

12. The applicator of claim 1 , wherein

the lip section branches off at an angle of 15° to 90° relative to a center axis of the closure piece with respect to a longitudinal axis of the lip section the longitudinal axis of the section corresponding to a fluid conveying direction.

13. The applicator of claim 1 , wherein

the lip section is flexible in at least one plane such that the outlet of the lip section is configured to elastically resiliently yield under the influence of the forces arising on the application by an amount of at least 1.5 mm.

14. The applicator of claim 1 , wherein

the applicator is made of a soft, tough and flexible material.

15. The applicator of claim 1 , wherein

a tube section of the closure piece provided for a sealing insertion into a container neck has an outer diameter ≦9mm.

16. The applicator of claim 1 , wherein

all of the bristles forming the bristle stock have a bristle center line extending essentially parallel to a center line of the lip section.

17. The applicator of claim 1 , wherein

all borders of the lip section have a single row of bristles standing adjacent one another along each respective border.

18. The applicator of claim 1 , wherein

the bristles do not substantially protrude into or in front of an exit cross section of the outlet of the lip section.

19. The applicator of claim 1 , wherein

at least a predominant number of the bristles have a bristle length of at most 3.4 mm.

20. The applicator of claim 1 , wherein

at least a predominant number of the bristles have a bristle length of at most 2.9 mm.

21. The applicator of claim 1 , wherein

all of the bristles have a bristle length of at most 4.5 mm.

22. The applicator of claim 1 , wherein

all of the bristles have a bristle length of at most 3.4 mm.

23. The applicator of claim 1 , wherein

all of the bristles have a bristle length of at most 2.9 mm.

24. The applicator of claim 1 , wherein

the outlet has a width configured to be flowed through in a first direction ranging from ≧3 mm and ≦8 mm.

25. The applicator of claim 1 , wherein

the outlet has a width configured to be flowed through in a first direction ranging from ≧3 mm and ≦6 mm.

26. The applicator of claim h wherein

the lip section branches off at an angle of 15° to 50° relative to the center axis of the closure piece with respect to a longitudinal axis of the lip section, the Longitudinal axis of the lip section corresponding to a fluid conveying direction.

27. The applicator of claim 1 , wherein

the lip section is flexible in at least one plane such that the outlet of the lip section is configured to elastically resiliently yield under the influence of the forces arising on the application by an amount of at least 2 mm.

28. The applicator of claim 1 , wherein

the lip section is flexible in at least one plane such that the outlet of the lip section is configured to elastically resiliently yield under the influence of the forces arising on the application by an amount of at least 3 mm.

29. The applicator of claim 1 , wherein

the applicator including the bristles is made of a soft, tough and flexible material.

30. The applicator of claim 1 , wherein

the tube section of the closure piece provided for a sealing insertion into a container neck coupling has an outer diameter ≦75 mm.