| 主权项 |
1. A capsule and apparatus for preparing a predetermined quantity of beverage suitable for consumption using an extractable product, comprising:
a first exchangeable open capsule; a second, alternative capsule; and an apparatus comprising a receptacle for holding the first exchangeable open capsule, and a fluid dispensing device for supplying an amount of a fluid, under pressure to the first exchangeable open capsule; wherein the first exchangeable open capsule comprises:
a substantially rigid circumferential wall,a bottom closing the circumferential wall at a first end, anda lid closing the circumferential wall at a second end opposite the bottom, wherein the wall, bottom and lid enclose an inner space comprising the extractable product, wherein the bottom comprises an entrance area and the fluid dispensing device is configured to be in fluid connection with the entrance area for supplying the fluid to the extractable product for preparing the beverage, wherein the lid comprises an exit area and the apparatus comprises an outlet which, in use, is in fluid communication with the exit area for draining the prepared beverage from the first exchangeable open capsule and supplying the beverage to a container; wherein the receptacle is arranged for draining the prepared beverage from the first exchangeable open capsule through the exit area; wherein the exit area of the first exchangeable open capsule comprises a filter layer, wherein the filter layer comprises a layer of a non-woven and/or woven fibrous material, wherein the filter layer of non-woven and/or woven fibrous material includes a first side that faces the extractable product and a second side that forms an outer surface of the exchangeable capsule; wherein prior to use the filter layer of the exit area of the first exchangeable open capsule comprises at least one first region where the non-woven and/or woven material has been sealed to prevent egress of liquid there through, and a plurality of second regions where the non-woven and/or woven material has not been sealed to allow egress of liquid there through; wherein the first region is sealed to prevent egress of liquid therethrough; and wherein the plurality of second regions are not sealed to allow egress of liquid therethrough, and wherein the receptacle comprises lid piercing means intended for piercing an exit area of the second, alternative capsule when the exit area sufficiently presses against the lid piercing means under the influence of the pressure of the fluid and/or beverage in the second alternative capsule, and wherein the lid piercing means and the filter layer of the first exchangeable open capsule are adapted to each other such that the filter layer of the first exchangeable open capsule, in use, is not pierced by the lid piercing means and stays intact. |
