Capsule, Device and Method for Preparing a Beverage by Extraction

摘要

The invention relates to a capsule for use in a device for preparing beverages. The invention also relates to an assembly of such a capsule and a device for preparing beverages. The invention further relates to a method for preparing beverages by making use of such an assembly.

主权项

1. A capsule for preparing beverages, comprising:
a housing at least partially filled with a substance to be extracted and/or dissolved, such as ground coffee, wherein the housing is provided with a supply side for pressing a liquid such as water into the capsule, and with a discharge side located a distance from the supply side for discharging liquid provided with extract and/or dissolved substance and guided through the capsule, wherein at least a part of the discharge side of the housing is initially sealed by a perforable foil; a laterally protruding engaging edge connected to the housing to enable clamping of the capsule in a device for preparing beverages; and a perforation structure coupled substantially rigidly to the engaging edge and/or the housing and provided with at least one perforation element facing toward the foil for perforating the foil, which perforation structure is positioned substantially on a side of the foil remote from the housing, wherein perforation of the foil is caused by deformation of the foil during pressing of the liquid through the capsule.