Patent ID: 11939143
Assignee: KONINKLIJKE DOUWE EGBERTS B.V.
Field: Furniture, games (Other fields)
Classification: CPC B  A | IPC A  B

Claim 0:
1. A capsule for preparing a predetermined quantity of beverage suitable for consumption using an extractable product, the capsule comprising:
a rigid circumferential wall,
a bottom closing the circumferential wall at a first end, and
a 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 for supplying a fluid to the extractable product for preparing the beverage,
wherein the lid comprises an exit area for draining the prepared beverage from the capsule;
wherein the exit area of the capsule comprises a filter layer, wherein the filter layer is a multi-layer filter comprising a layer of a non-woven and/or woven fibrous material and a further layer;
wherein the filter layer comprises a first region where the layer of non-woven and/or woven material has been sealed to prevent egress of liquid there through, and a second region where the layer of non-woven and/or woven material has not been sealed to allow egress of liquid there through during use of the capsule;
wherein the further layer is a perforate and/or porous layer bonded to the layer of fibrous material;
wherein the first region forms a peripheral edge of the filter layer, and the second region forms a center area of the filter layer;
wherein, at the second region, openings and/or perforations of the further layer correspond with openings of the layer of fibrous material to allow a passage for the fluid;
wherein the filter layer is configured to enable preparation of the beverage while the exit area stays intact and is not torn or ruptured.