Pressure beverage cartridge and preparation method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47J-031/06
B65D-085/804
출원번호
US-0092283
(2006-12-04)
등록번호
US-9248954
(2016-02-02)
우선권정보
EP-05026318 (2005-12-02)
국제출원번호
PCT/IB2006/003462
(2006-12-04)
§371/§102 date
20080618
(20080618)
국제공개번호
WO2007/063411
(2007-06-07)
발명자
/ 주소
Doglioni Majer, Luca
출원인 / 주소
TUTTOESPRESSO S.R.L.
대리인 / 주소
Oblon, McClelland, Maier & Neustadt, L.L.P.
인용정보
피인용 횟수 :
0인용 특허 :
17
초록
A cartridge for beverage dispensing machine is provided with outlet means (9B, 14) that are opened by the combined action of a mechanical compression and internal pressurization of the cartridge.
대표청구항▼
1. A cartridge for a beverage dispensing apparatus, comprising: water inlet means for feeding water to said cartridge to prepare a beverage as a prepared beverage and build up pressure within said cartridge, andbeverage outlet means for discharging said beverage from said cartridge, said outlet mean
1. A cartridge for a beverage dispensing apparatus, comprising: water inlet means for feeding water to said cartridge to prepare a beverage as a prepared beverage and build up pressure within said cartridge, andbeverage outlet means for discharging said beverage from said cartridge, said outlet means being provided in a bottom wall of the cartridge, the beverage outlet means being defined by grooves recessed into the bottom wall and the beverage outlet means including projecting portions attached to the bottom wall of the cartridge and encircled by the grooves, each of the grooves that encircle the projecting portions are positioned in a different sub-section of a periphery of the bottom wall, whereinin a first position, the projecting portions extend outwardly from the bottom wall to an exterior of the cartridge in a first direction to block an opening in the beverage outlet means to prevent the beverage from being discharged through the opening,in a second position, the projecting portions are moved toward an interior of the cartridge to be positioned inwardly from the first position for the beverage to be discharged from the cartridge through the opening in the beverage outlet means, andthe projection portions are configured to move from the first position to the second position in response to combined external pressure from the beverage dispensing apparatus and the pressure built UP within the cartridge from the water fed to the cartridge. 2. The cartridge according to claim 1, wherein at least one of said projecting portions is shaped to concentrate compression stresses in one area of the outlet means to open said beverage outlet means. 3. The cartridge according to claim 1, wherein said cartridge is made of a material that has a tensile strength within a range of 27 to 31 MPa. 4. The cartridge according to claim 1, further comprising a passage for said beverage to flow through located internally to said cartridge and blocking means for at least partially blocking said passage until a pressure is reached within said cartridge which acts on said blocking means whereby said beverage can flow through said passage and reach said beverage outlet means. 5. The cartridge according to claim 4, wherein said blocking means is deformable or rupturable under pressure of the prepared beverage. 6. The cartridge according to claim 5, wherein said blocking means is a plastically deformable element integral with said cartridge or a portion thereof. 7. The cartridge according to claim 4, wherein said cartridge includes the bottom wall and an internal wall and said blocking means is a wall extending between said bottom wall and said internal wall. 8. The cartridge according to claim 1, in combination with a beverage preparing chamber to feed the water to the cartridge to prepare said beverage and build up the pressure within said cartridge and to dispense the prepared beverage from beverage outlet means, wherein: a) at least a portion of the cartridge bottom wall, including at least part of said outlet means, is configured to receive a force before the water is fed to the cartridge, the force being directed towards an interior of said cartridge, said force being less than a force required to open said outlet means in said cartridge bottom wall;b) said cartridge, including said cartridge bottom wall, is configured to experience an increase in the pressure from the water while maintaining said force until obtaining an outlet opening for dispensing the said beverage. 9. The cartridge according to claim 8, wherein said portion of the cartridge bottom wall consists of said beverage outlet means, said outlet means comprising the grooves. 10. The cartridge according to claim 8, wherein said portion of the cartridge bottom wall comprises a portion adjacent to said beverage outlet means. 11. The cartridge according to claim 8, wherein said beverage preparing chamber is configured to feed said beverage to at least one passage located within said cartridge and a block element at least partially blocking said at least one passage until reaching a pressure sufficient to deform or break said block element within said cartridge to form an unblocked passage through which the beverage is let to flow to said beverage outlet means, thereby extending a brewing time for preparing said beverage. 12. The cartridge according to claim 11, wherein said block element comprises a deformable wall that deforms upon reaching sufficient pressure to let said beverage flow to said beverage outlet means. 13. The cartridge according to claim 12, wherein said deformable wall is configured and arranged so that deformation of said deformable wall results in a throttling element located internally to said cartridge. 14. The cartridge according to claim 1, in combination with a beverage collecting unit to dispense the beverage from said cartridge to a beverage container, wherein said beverage collecting unit comprises means to apply a force to a portion of the bottom wall of said cartridge to deform said bottom wall without breaking said grooves when said cartridge is housed within said collecting unit and before the pressure from the water is built up within said cartridge. 15. The cartridge according to claim 14, wherein said force applying means is provided in correspondence with at least said outlet means. 16. The cartridge according to claim 1, wherein the bottom wall of the cartridge includes a rim that extends further outwardly in the first direction than the projecting portions in the first position and the second position. 17. The cartridge according to claim 1, wherein the beverage outlet means includes a central opening in the bottom wall, the central opening being encircled by a central groove and including a central projecting element. 18. The cartridge according to claim 17, wherein, in the first position, the central projecting element extends outwardly from the bottom wall of the cartridge in the first direction. 19. A cartridge for a beverage dispensing apparatus, comprising: a top portion including a sealing foil and a plurality of pointed elements to puncture the sealing foil to let water into the cartridge to prepare a beverage and build up pressure within the cartridge, anda beverage outlet to discharge the beverage from said cartridge, the beverage outlet being provided in a bottom wall of the cartridge, the beverage outlet being defined by grooves recessed into the bottom wall and the beverage outlet including projecting portions attached to the bottom wall of the cartridge and encircled by the grooves, each of the grooves that encircle the projecting portions are positioned in a different sub-section of a periphery of the bottom wall, whereinin a first position, the projecting portions extend outwardly in a first direction from the bottom wall to an exterior of the cartridge to block an opening in the beverage outlet, andin a second position, the projecting portions are moved toward an interior of the cartridge to be positioned inwardly from the first position for the beverage to be discharged from the opening in the beverage outlet. 20. The cartridge according to claim 19, wherein the bottom wall of the cartridge includes a rim that extends further outwardly in the first direction than the projecting portions in the first position and the second position. 21. The cartridge according to claim 19, wherein the beverage outlet means includes a central opening in the bottom wall, the central opening being encircled by a central groove and including a central projecting element. 22. The cartridge according to claim 21, wherein, in the first position, the central projecting element extends outwardly from the bottom wall of the cartridge in the first direction. 23. A cartridge for a beverage dispensing apparatus, comprising: water inlet means for feeding water to said cartridge to prepare a beverage as a prepared beverage and build up pressure within said cartridge, andbeverage outlet means for discharging said beverage from said cartridge, said outlet means being provided in a bottom wall of the cartridge, the beverage outlet means being defined by grooves recessed into the bottom wall and the beverage outlet means including projecting portions encircled by the grooves, whereinin a first position, the projecting portions extend outwardly from the bottom wall to an exterior of the cartridge in a first direction to block an opening in the beverage outlet means to prevent the beverage from being discharged through the opening,in a second position, the projecting portions are moved toward an interior of the cartridge to be positioned inwardly from the first position for the beverage to be discharged from the cartridge through the opening in the beverage outlet mean, andat least one of said projecting portions includes a wedge-shaped part to concentrate compression stresses in one area of the outlet means to open said beverage outlet means, and when in the first position, a narrow portion of the wedge-shaped part extends outwardly from the bottom wall of the cartridge and a wide portion of the wedge-shaped part is positioned in the opening to block the opening in the beverage outlet means. 24. The cartridge according to claim 23, wherein the beverage outlet means includes a central opening in the bottom wall, the central opening being encircled by a central groove and including a central projecting element. 25. The cartridge according to claim 24, wherein, in the first position, the central projecting element extends outwardly from the bottom wall of the cartridge in the first direction.
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