Patent ID: 8464631

Claim:
A cartridge for extracting a beverage from a particulate substance contained therein by means of water under pressure, the cartridge comprising: a main body comprising a cup portion and a lid portion, the cup portion comprising a base, a sidewall and a rim opposed to said base, the lid portion being fixedly attached to said rim of the cup portion so as to define an internal volume of said cartridge, the internal volume of said cartridge housing the particulate substance comprised within filtering means for retaining said particulate substance and for percolating fluid substances therethrough, said lid portion comprising a lid port defining a first passage for percolation fluid substances, the base of said cup portion comprising a cup port defining a second passage for percolation fluid substances, further comprising a disc of porous material arranged between said filtering means and the base of said cup portion, so as to support said filtering means and said particulate substance and to define a fine canalization between said filtering means and said cup port, said lid portion comprising sparse ribs directly formed on its inner side and protruding towards the internal volume of the cartridge, so as to create a small gap between said lid portion and said filtering means.