Patent ID: 9375111
Filing Date: 2016-06-28
CPC Classification: A47J,B65B,B65D

Claim Text:
1. A portion capsule for a coffee machine, comprising: a capsule wall, the capsule wall enclosing a closed interior space that is filled with an extraction material, said capsule wall being adapted to be perforated by perforating elements of an injector device or discharge device upon closing of a brewing chamber of the coffee machine so as to introduce an extraction liquid under pressure into the capsule and to discharge an extraction product produced inside the capsule after a brewing operation, the capsule being designed to be under positive pressure during the brewing operation and to be capable of withstanding the extraction liquid being under positive pressure wherein the capsule, except for a peripheral edge that laterally protrudes by a maximum of 1.5 mm, has a form of a cube or cuboid; wherein the capsule wall is formed by a five-sided basic body that is open on a sixth side and by a cover closing off the basic body, and wherein cover is outwardly curved and the basic body and the cover are joined at the peripheral edge, whereby the peripheral edge between the cover and the basic body is offset from an upper end face of the capsule.