Patent ID: 8069775
Filing Date: 2011-12-06
Classification: A47J

Abstract:
1. A brewing apparatus ( 1 ) for making infusions, particularly espresso, of the type comprising a pumping unit ( 2 ) for pumping water from a tank ( 3 ) to a water superheating boiler ( 6 ), said boiler ( 6 ) having a lower container ( 11 ) closed at its top by a perforated cover ( 12 ) allowing superheated water to flow into the lower container under pressure, said lower container ( 11 ) and top cover ( 12 ) being formed of a plastic material, said cover ( 12 ) having one of more holes ( 15 ) for the passage of superheated water on the face ( 12 a ) that closes the boiler ( 6 ), characterized in that over the holes ( 15 ) of the cover ( 12 ), a seal ( 16 ) for containing and/or separating a dose of ground coffee, has microholes therein for allowing the passage of superheated water to wet the ground coffee dose; said seal ( 16 ) being embedded in the cover ( 12 ), or abutting against the face ( 12 a ), depending on the construction of the brewing chamber; said seal ( 16 ) being of plastic or rubbery material.