An extraction apparatus includes a brewing module for receiving a capsule with an extraction material. The brewing module includes a first brewing module part and a second brewing module part, the second brewing part being movable relative to the first brewing part. The first and the second brewing
An extraction apparatus includes a brewing module for receiving a capsule with an extraction material. The brewing module includes a first brewing module part and a second brewing module part, the second brewing part being movable relative to the first brewing part. The first and the second brewing module parts form a discharge device for the discharge of an extraction product out of the capsule, and an introduction device for introducing an extraction fluid into the capsule. A sealing system for such an extraction apparatus includes a seal having at least one circumferential sealing lip and/or one circumferential sealing bead, which bears on a surface of the capsule in a line-like or strip-like manner and presses the capsule wall against the capsule interior.
대표청구항▼
1. An extraction apparatus, with a brewing module for receiving a capsule with a capsule wall and with an extraction material in a capsule interior, wherein the brewing module comprises a first brewing module part and a second brewing module part, said second brewing module part being movable relati
1. An extraction apparatus, with a brewing module for receiving a capsule with a capsule wall and with an extraction material in a capsule interior, wherein the brewing module comprises a first brewing module part and a second brewing module part, said second brewing module part being movable relative to the first brewing module part, wherein the first and the second brewing module parts form a discharge device for the discharge of an extraction product out of the capsule, and an introduction device for introducing an extraction fluid into the capsule, wherein the introduction device comprises at least one piercing tip for piercing the capsule, wherein the introduction device is provided with an elastically deformable, injection-side seal that surrounds the at least one piercing tip of the introduction device and that comprises a seal collar encompassing the capsule in a positioning and holding manner and at least one circumferential sealing lip and/or circumferential sealing bead, wherein the at least one sealing lip or the at least one sealing bead bears on a surface of the capsule in a line-like or strip-like manner and presses the capsule wall against the capsule interior. 2. The extraction apparatus according to claim 1, wherein the discharge device comprises an extraction-side seal with at least one circumferential sealing lip and/or circumferential sealing bead, wherein the sealing lip or the sealing bead bears in a line-like or strip-like manner on a surface of the capsule and presses the capsule wall against a capsule interior. 3. The extraction apparatus according to claim 1, wherein at least one sealing lip and/or sealing bead encompasses the capsule along a circumferential surface and thereby on account of its elasticity is pressed against the capsule wall in such a manner that the capsule is held by the seal. 4. The extraction apparatus according to claim 1, wherein the injection-side seal or at least one of the seals comprises a plurality of circumferential sealing lips and/or sealing beads that, on account of their elasticity, press the capsule wall against a capsule interior, whereby in each case a recess is arranged between consecutive sealing lips or sealing beads such that a circumferential cavity is formed between the consecutive sealing lips or sealing beads and the capsule, in the operating condition. 5. The extraction apparatus according to claim 1, wherein at least one of the circumferential sealing lips or the sealing beads is pressed against an end-face of the capsule, and at least one of the circumferential sealing lips or sealing beads is pressed against a circumferential surface. 6. The extraction apparatus according to claim 5, wherein a plurality of circumferential sealing lips or sealing beads is pressed against a circumferential surface, wherein in each case a recess is arranged between consecutive sealing lips or sealing beads in such a manner such a circumferential cavity is formed between the consecutive sealing lips or sealing beads and the capsule, in the operating position. 7. The extraction apparatus according to claim 4, wherein the consecutive sealing lips have a saw-tooth shape in cross section. 8. The extraction apparatus according to claim 1, wherein the introduction device comprises at least one fluid introduction opening which is spatially separated from the at least one piercing tip. 9. The extraction apparatus according to claim 1, wherein the injection-side seal encompasses the capsule and holds this alone on account of the elasticity of the seal, so that on opening the brewing chamber, the capsule is pulled out of extraction-side piercing tips on account of the holding effect of the seal. 10. The extraction apparatus according to claim 9, further comprising a stripping device for releasing the capsule from the injection-side seal. 11. The extraction apparatus according to claim 1, wherein the brewing module is a horizontal brewing module. 12. The extraction apparatus according to claim 1, wherein the injection-side seal or at least one of the seals comprises an outwardly projecting fastening flange. 13. A coffee or tea brewing system comprising an extraction apparatus according to claim 1, as well as a portion capsule with extraction material, wherein the brewing module forms a brewing chamber whose dimensions are matched to the portion capsule. 14. A seal for an extraction apparatus according to claim 1, comprising at least one circumferential sealing lip and/or a circumferential sealing bead, wherein the at least one sealing lip or the at least one sealing bead bears in a line-like or strip-like manner on a surface of a capsule with an extraction material received in a capsule interior, and presses the capsule wall against the capsule interior.
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이 특허에 인용된 특허 (5)
Shaw,Jon W.; Cooke,John C., Beverage brewing method and apparatus.
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