Patent ID: 7624673
Filing Date: 2009-12-01
Classification: B65D

Abstract:
1. Single-dose capsule for the preparation of a percolated beverage using a powdery raw material, the capsule comprising: a casing having an upper edge and a bottom edge; an upper sealing foil and a bottom sealing foil attached to the respective edges; a lower end wall provided with orifices and inset with respect to said bottom edge; an upper chamber filled with the raw material which is formed between said upper sealing foil and said end wall, said end wall comprising a central core with an upper portion and a plurality of radial ribs directed downwards around said central core for the separation in segments of said orifices, a bottom chamber underneath said upper chamber and formed between said bottom sealing foil and said end wall, the orifices passing the percolated beverage from the upper chamber to the bottom chamber with a turbulent movement prior to being dispensed towards an underlying container through an exit created in the perforable bottom foil.