Patent ID: 8499682

Claim:
A labyrinth capsule for drink powder, comprising: a capsule wall ( 1 ); a capsule base in a form of a labyrinth plate ( 4 ) at a lower side of the capsule wall ( 1 ), the labyrinth plate ( 4 ) having a discharge hole ( 10 ) at a center thereof with a round stud ( 12 ) extending axially downward through the discharge hole, and a labyrinth structure formed by a plurality of upwardly projecting labyrinth webs ( 5 ) on an upper side of a base ( 15 ) of the labyrinth plate ( 4 ); in an outer peripheral region of the labyrinth plate the labyrinth webs further including upwardly projecting piercing spikes ( 14 ); wherein the labyrinth webs are mutually offset with respect to a radial direction; and a sealing film ( 7 ) placed on the labyrinth plate ( 4 ), welded onto the labyrinth webs ( 5 ) in an inner region of a radius of the labyrinth plate, and further welded along a peripheral edge region ( 8 ) thereof onto an outer edge of the labyrinth plate ( 4 ) or to a lower edge ( 3 ) of the capsule wall ( 1 ) wherein an intermediate space remains free between a lower side of the sealing film ( 7 ) and the piercing spikes ( 14 ) in the outer peripheral region of the labyrinth plate; said labyrinth capsule being sealed at an upper edge ( 2 ) of the capsule wall ( 1 ) with a filling enclosed therein.