초록 ▼

The invention relates to a portion capsule for producing a beverage, having a capsule body, which has a capsule bottom and a lid, wherein a cavity for accommodating a powdery or liquid beverage Substrate is formed between the capsule bottom and the lid and wherein a filter element is arranged in the

The invention relates to a portion capsule for producing a beverage, having a capsule body, which has a capsule bottom and a lid, wherein a cavity for accommodating a powdery or liquid beverage Substrate is formed between the capsule bottom and the lid and wherein a filter element is arranged in the cavity. The invention further relates to a method for producing a portion capsule and the use of the portion capsule to produce a beverage.

대표청구항 ▼

1. Portion capsule (1) for preparing a beverage, comprising a capsule body (2) with a capsule bottom (3) and a lid (6), wherein between the capsule bottom (3) and the lid (6), a cavity (100) for receiving a powdered or liquid beverage substrate (101) is formed in the cavity, and wherein a filter ele

1. Portion capsule (1) for preparing a beverage, comprising a capsule body (2) with a capsule bottom (3) and a lid (6), wherein between the capsule bottom (3) and the lid (6), a cavity (100) for receiving a powdered or liquid beverage substrate (101) is formed in the cavity, and wherein a filter element (7) is situated and the filter element is made of non-woven fibre material, the fibre material is plastically formed, deep-drawn, the filter element is elastic. 2. Portion capsule (1) according to claim 1, characterised in that the filter element, spaced apart from the capsule bottom (3), is connected to the capsule body (2). 3. Portion capsule (1) according to claim 1, characterised in that the filter element is spaced apart from the capsule bottom (3) and connected to a collar edge (5). 4. Portion capsule (1) according to claim 1, characterised in that the filter element comprises a filter region (28) and a connecting portion (27) and that the connecting region is set at an angle to the filter region. 5. Portion capsule (1) according to claim 1, characterised in that the filter element comprises a filter region (28) which is curved. 6. Portion capsule according to claim 1, characterised in that the filter element has at least one fold (24) in a connecting region. 7. Portion capsule according to claim 1, characterised in that the filter element has at least one multi-layer region (25) in a connecting region. 8. Portion capsule according to claim 1, characterised in that the filter element is polygonal. 9. Portion capsule according to claim 4, characterised in that it comprises a plurality of folds (24) or a plurality of multilayer portions (25). 10. Portion capsule according to claim 1, characterised in that paper is a component of the filter element. 11. Portion capsule according to claim 1, characterised in that the filter element is a a felt structure. 12. Portion capsule (1) according to claim 11, characterised in that a mesh comprises a nonwoven fabric made of polyester fine fibres and/or that the web has a mass density between 40 and 100 grammes per square meter and/or that the nonwoven has a thickness between 0.20 and 0.8 millimeters and/or that the mesh has an air permeability at a pressure of 100 Pascal of between 1000 and 3000 l/(m2 s). 13. Portion capsule according to claim 11, characterised in that the filter element (7) has two felt structures (7.1, 7.3). 14. Portion capsule (1) according to claim 1, characterised in that the filter element (7) on the capsule body (2) or on the collar edge (5) is sealed to the capsule. 15. Portion capsule (1) according to claim 1, characterised in that a lid (6) is sealed to the filter element (7). 16. Portion capsule (1) according to claim 1, characterised in that the diameter of the filter element (7) is greater than the diameter of the capsule bottom (3). 17. Portion capsule (1) according to claim 1, characterised in that the filter element (7) has a region (7′) which protrudes substantially in the direction of the filling side (4), and/or is bent in the direction of the filling side (4). 18. Portion capsule (1) according to claim 17, characterised in that the region (7′) extends at least partially along a side wall portion (102) of the capsule body (2), wherein the sidewall region extends between the filling side (4) and the capsule bottom (3). 19. Portion capsule (1) according to claim 1, characterised in that the capsule bottom (3) has an indentation (21) in the direction of the filling side (4). 20. Portion capsule (1) according to claim 1, characterised in that the capsule bottom (3) is formed such that for a perforation of the capsule bottom (3) by an external perforation means (16), the filter element (7) remains unperforated. 21. Portion capsule (1) according to claim 1, characterised in that the filter element (7) has a corrugated or folded portion (103′) which acts as a fluid channel. 22. Portion capsule (1) according to claim 1, characterised in that the capsule bottom (3) has a predetermined breaking point (104) which is intended to tear open as a result of a mechanical contact with an external perforation means (16). 23. Portion capsule (1) according to claim 22, characterised in that the predetermined breaking point (104) comprises a plurality of lines of weakness (105) radiating from a central point (106) on the capsule bottom (3), wherein the capsule bottom (3) has a reduced thickness and/or is perforated. 24. Portion capsule (1) according to claim 1, characterised in that the capsule bottom (3) has an outlet opening (107). 25. Portion capsule according to claim 1, characterised in that the filter element is sealed to the capsule bottom, wherein the sealing seam is an annular ring. 26. Portion capsule according to claim 25, characterised in that the average diameter of the annular ring is 22-25 mm. 27. Use of a portion capsule (1) according to claim 1 for producing a beverage, for preparing a coffee, cocoa, tea and/or milk beverage. 28. Portion capsule for preparing a beverage, comprising a capsule body with a capsule bottom and a lid, wherein between the capsule bottom and the lid, a cavity for receiving a powdered or liquid beverage substrate is formed in the cavity, and wherein a filter element is situated and the filter element is made of non-woven fibre material, the fibre material is plastically formed and deep drawn, the filter element has a region which protrudes substantially in the direction of the filling side, and/or is bent in the direction of the filling side. 29. Portion capsule for preparing a beverage, comprising a capsule body with a capsule bottom and a lid, wherein between the capsule bottom and the lid, a cavity for receiving a powdered or liquid beverage substrate is formed in the cavity, and wherein a filter element is situated and the filter element is made of non-woven fibre material, the fibre material is plastically formed and deep drawn, the capsule bottom has an indentation in the direction of a filling side. 30. Portion capsule for preparing a beverage, comprising a capsule body with a capsule bottom and a lid, wherein between the capsule bottom and the lid, a cavity for receiving a powdered or liquid beverage substrate is formed in the cavity, and wherein a filter element is situated and the filter element is made of non-woven fibre material, the fibre material is plastically formed and deep drawn, the capsule bottom has a predetermined breaking point which is intended to tear open as a result of a mechanical contact with an external perforation means, the predetermined breaking point having a plurality of lines of weakness radiating from a central point on the capsule bottom, wherein the capsule bottom has a reduced thickness and/or is perforated. 31. Portion capsule for preparing a beverage, comprising a capsule body with a capsule bottom and a lid, wherein between the capsule bottom and the lid, a cavity for receiving a powdered or liquid beverage substrate is formed in the cavity, and wherein a filter element is situated and the filter element is made of non-woven fibre material, the fibre material is plastically formed and deep drawn, the filter element is sealed to the capsule bottom, wherein the sealing seam is an annular ring.