Patent attributes
A beverage capsule is provided for use in a beverage preparing machine. A system and process for making the beverage capsule is also provided. The beverage capsule includes a body defining an interior space having an opening. A filter is disposed in the body to define an ingredients chamber and an extraction chamber. The filter has an air flow permeability of at least 400 L/s·m2. Ingredients are disposed in the ingredients chamber and a cover is dispensed over the opening to seal the interior space. The filter includes a vent region between the top surface of the ingredients and the bottom surface of cover for venting gas through said filter between said ingredients chamber and said extraction chamber. An alternate embodiment includes air flow channels defined in a side wall of body.