20100107890 | Perforation Device for Capsules and Machine for Preparing Beverages Incorporating said Device - In a machine for preparing beverages, in particular espresso coffee, using capsules containing powder material and delimited at the top and bottom by perforatable sealing foils, said machine comprising a zone for loading capsules one at a time and an infusion zone, a device for perforating the bottom foil of said capsule inside said loading zone, comprising a star-shaped element having, projecting therefrom, cutting tips able to project into the path of said capsule when it is introduced into said loading zone and following interaction of the front edge of the capsule with a first tip, the immediately following tip engages with the bottom foil of the said capsule so as to perforate it. | 05-06-2010 |