B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 85/808 (2006.01) A47J 31/06 (2006.01) A47J 31/24 (2006.01)
Patent
CA 2718492
A portion capsule for producing a beverage is proposed, having a substantially frustoconical or cylindrical base element which has a cavity, and having a membrane which closes off the cavity, with a filter element being arranged within the cavity, the filter element dividing the cavity into a first region for holding a beverage raw material and into a second region for receiving a beverage extract, wherein the filter element is fastened to the base element by means of at least one ultrasonic welded joint.
Fetherstonhaugh & Co.
Krueger Gmbh & Co. Kg
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