Portion capsule i.e. coffee portion capsule, for manufacturing e.g. espresso, has base element comprising edge with fastening plane, membrane attached at plane, and sealing provided on and/or before fastening plane of edge

摘要

The capsule (1) has a base element (2) comprising an edge (2.1) with a fastening plane (4) i.e. inflow plane, and a membrane (3) attached at the fastening plane. A sealing (3.1) of the membrane is provided on and/or before the fastening plane of the edge. The sealing is locally provided between layers. The sealing is provided above an upper layer of the membrane. The membrane is attached at a region, which surrounds the sealing. The base element comprises a hollow space, which is partially filled with a beverage raw material.