Cone shaped filter insert

1. A filter paper insert for a brewed beverage, comprising:

a filter paper shaped to form a cone-shaped filter having a side wall, a closed bottom and an upper filling opening;

wherein the side wall includes a lower zone, a central zone and an upper zone, wherein each of the lower, central and upper zones comprises a parallel, circumferential zone of increasing permeability in a direction from the closed bottom to the upper filling opening,

wherein each of the lower, central and upper zones of increasing permeability include perforation holes and a different width from the other two zones.

2. The filter paper insert of claim 1 , wherein the perforation holes are of increasing sizes per zone toward the upper filling.

3. The filter paper insert of claim 1 , wherein the perforation holes are in increasing quantity per zone toward the upper filling opening.

4. The filter paper insert of claim 1 , wherein the perforation holes are of increasing sizes per zone and increasing quantity per zone toward the upper filling opening.

5. The filter paper insert of claim 1 , wherein the central zone has a smaller width than the lower zone and the upper zone.

6. The filter paper insert of claim 1 , wherein the lower zone consists of approximately 4-8 perforation holes per square centimeter.

7. The filter paper insert of claim 1 , wherein the lower zone consists of approximately 6 perforation holes per square centimeter.

8. The filter paper insert of claim 1 , wherein the central zone consists of approximately 10-14 perforation holes per square centimeter.

9. The filter paper insert of claim 1 , wherein the central zone consists of approximately 12 perforation holes per square centimeter.

10. The filter paper insert of claim 1 , wherein the upper zone consists of approximately 16-26 perforation holes per square centimeter.

11. The filter paper insert of claim 1 , wherein the upper zone consists of approximately 21 perforation holes per square centimeter.