A capsule for preparation of a beverage in a beverage production machine. The capsule includes a body and a delivery wall forming a chamber containing ground coffee. The delivery wall has at least one outlet, an inner layer and an outer layer forming respectively first and second layers at least par
A capsule for preparation of a beverage in a beverage production machine. The capsule includes a body and a delivery wall forming a chamber containing ground coffee. The delivery wall has at least one outlet, an inner layer and an outer layer forming respectively first and second layers at least partially connected together by at least one seal portion which delaminates or breaks under the pressure of coffee liquid against the seal portion. Preferably, the seal portion extends in a direction (P) which differs from the direction (A) of the outlet.
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1. A capsule for preparation of a beverage or liquid food in a beverage production machine, the capsule comprising a body and a delivery wall forming a chamber containing beverage ingredient, with the delivery wall comprising at least one outlet, an inner layer and an outer layer forming respectivel
1. A capsule for preparation of a beverage or liquid food in a beverage production machine, the capsule comprising a body and a delivery wall forming a chamber containing beverage ingredient, with the delivery wall comprising at least one outlet, an inner layer and an outer layer forming respectively first and second layers at least partially connected together by at least one seal portion which delaminates or breaks under the pressure of beverage liquid against the seal portion to form the outlet, wherein the first layer comprises at least one orifice and the second layer comprises the outlet in the form of at least a second orifice and wherein the seal portion extends in a direction (P) which differs from the direction (A) of the outlet. 2. The capsule according to claim 1, which contains particulates for formation of a beverage or liquid food. 3. The capsule according to claim 1, wherein the flow path between said first and second orifices is closed by the seal portion before delaminating or breakage and opened thereafter. 4. The capsule according to claim 3, wherein the first and second orifices are substantially offset one another in the transversal direction of the capsule so that the flow path causes the beverage liquid to change direction before exiting the capsule. 5. The capsule according to claim 1, wherein the seal portion is provided along a transversal plane (P) of extension of the delivery wall. 6. The capsule according to claim 1, wherein the first layer comprises a plurality of orifices. 7. The capsule according to claim 6, wherein the first layer comprises a plurality of orifices of a diameter small enough to maintain beverage forming particles in the chamber. 8. The capsule according to claim 1, wherein the second layer comprises fewer orifices than the first layer. 9. The capsule according to claim 1, wherein the two layers are adjacent. 10. The capsule according to claim 1, wherein a gap is present at least in certain regions between the two layers. 11. The capsule according to claim 1, wherein the seal portion extends over the whole contact surfaces of the first and second layers. 12. The capsule according to claim 1, wherein the seal portion extends only partially at the contact surfaces of the first and second layers. 13. The capsule according to claim 1, wherein the first layer and second layers are both flexible foils. 14. The capsule according to claim 1, wherein the first layer is more rigid than the second layer. 15. The capsule according to claim 1, wherein the seal portion delaminates or breaks when a pressure of at least 2 to 3 bars is reached in the capsule. 16. The capsule according to claim 1, wherein the first layer comprises aluminium, PP, PE, PA, PS, PVDC, EVOH, PET, PET, cellulose and combinations thereof and the second layer comprises aluminium, PP, PE, PA, PS, PVDC, EVOH, PET and combinations thereof. 17. A capsule for preparation of a beverage or liquid food in a beverage production machine, the capsule comprising a body and a delivery wall forming a chamber containing a beverage ingredient, with the delivery wall comprising inner and outer layers at least partially connected together by at least one seal portion which delaminates or breaks without external forces but only due to pressure buildup of beverage liquid against the inner layer and seal portion, an outlet comprising one or a plurality of orifices in the outer layer; wherein the inner layer contains one or a plurality of orifices which are substantially offset to the one or more orifices of the outer layer, and wherein the seal portion extends in a direction which differs from the direction of the outlet, such that when the seal portion is delaminated or broken, a flow path is formed for the beverage or liquid food to pass though the orifice(s) of the inner layer and then through the orifice(s) of the outer layer and outlet to exit the capsule, wherein the flow path causes the beverage liquid to change direction between the inner and outer layers before exiting the capsule. 18. The capsule according to claim 17, wherein the first layer comprises a plurality of orifices of a diameter small enough to maintain beverage forming particles in the chamber. 19. The capsule according to claim 17, wherein the first layer and second layers are both flexible foils. 20. The capsule according to claim 17, wherein the seal portion delaminates or breaks when a pressure of at least 2 to 3 bars is reached in the capsule.
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이 특허에 인용된 특허 (9)
Favre Eric (Saint Barthelemy CHX), Apparatus for the preparation of an edible liquid.
Bentley Andrew C. (Oxon GBX) King Christine A. (Banbury GBX) MacMahon Alistair J. (Brackley GBX) Tansley Robert W. (Stratford-upon-Avon GBX) Newman Alec T. (Banbury GBX), Beverage packages.
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