Patent ID: 9688465
Date: 2017-06-27
CPC Classifications: B65B,B65D

Claim:
1. A system for making a beverage capsule for use in a beverage preparing machine, the system comprising: a filter sealing station for sealing a filter to a body for the beverage capsule to define an ingredients chamber and an extraction chamber, said filter having an air flow permeability of at least 400 L/s·m2, said body having a side wall extending from an end wall to an opening to define an interior space having a volume in the range of 30 cc to 100 cc, said opening being surrounded by a flange, wherein a vent region is defined in said filter around said ingredients chamber between a top surface of desired ingredients disposed in said ingredients chamber and a bottom surface of a cover for covering said opening, said vent region being constructed and arranged for venting gas through said filter between said ingredients chamber and said extraction chamber; a dosing station for depositing a desired volume of said desired ingredients into said ingredients chamber, wherein said top surface of said ingredients disposed in said ingredients chamber is spaced between 2-5 mm from said bottom surface of said cover when said capsule is disposed on said end wall; a cover pre-sealing station for sealing said cover to said flange while maintaining at least one airflow opening; and a modified atmosphere packaging (MAP) station for replacing a substantial volume of air within said body with an inert gas and sealing said at least one airflow opening with said cover.