Patent ID: 7490542

Claim:
A cartridge ( 1 ; 200 ) for coffee or soluble products for the production of a beverage, comprising: a container ( 2 ) designed to contain coffee or soluble product, a lid ( 6 ) set on the top of the container so as to define an upper wall through which hot water under pressure enters the container ( 2 ) in order to produce the beverage, and a filter ( 4 ) designed to be positioned inside said container ( 2 ) above a bottom wall ( 20 ) of the container through which the beverage leaves, wherein said bottom wall ( 20 ) of the container has at least one breakable portion ( 28 ) designed to break when the liquid inside the cartridge reaches a pre-set pressure, so as to form at least one aperture ( 130 ) to allow the beverage to be extracted from the cartridge ( 1 ), said at least one breakable portion ( 28 ) being obtained by means of grooves ( 27 ) formed in a weakened portion ( 22 ) of the bottom wall ( 20 ) of the cartridge ( 1 ) so that at least one breakable portion ( 28 ) is thinner than the weakened portion ( 22 ).