Capsule for producing a beverage with filter disc

A capsule for producing a beverage using an extractable product, by use of a beverage brewing device, the capsule comprising:

• a cup comprising a cavity defined by a circumferential wall, a bottom wall closing the circumferential wall at a first end, and an outwardly protruding flange connected to the circumferential wall at a second end opposite the first end in an axial direction of the capsule;
• a foil connected to the outwardly protruding flange and closing the cup at the second end,
• a beverage substance filled in the cavity,
• a filter disc fitted in the cavity between the beverage substance and the foil, the filter disc comprising:
• a frame comprising an annular reinforcing portion placed adjacent the circumferential wall of the cup;
• and
• a filter membrane of smaller thickness connected to or maintained by the annular reinforcing portion;
• wherein the frame comprises a plurality of transversal reinforcing portions separating an internal area demarcated by the annular reinforcing portion in a plurality of apertures open in the axial direction;
• and
• wherein the filter membrane covers the plurality of apertures;
• the filter disc being positioned inside the capsule in a manner that the filter membrane is placed between the foil and the plurality of transversal reinforcing portions.