| 摘要 |
Disclosed is a means for penetrating portion packaging, especially a caps ule (2), which contains an extractable material. Said means comprises perfor ation elements (7, 8) that are provided with a plurality of openings (9) and allow a shell of the capsule (2) to be pierced. The openings (9) are dispos ed in such a way on a lead-through surface which extends at an angle to the direction of perforation that the openings (9) form a punched screen structu re. The perforation elements (7, 8) are embodied as a member that has severa l faces, one of which is a lead-through surface. Preferably, the lead-throug h surface on the extraction side is formed by a foil section that is provide d with the openings (9).
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