[특허]Capsule with outer sealing material pressurized by fluid and method and system for using same

Nestec S.A.

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특허 상세정보

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Capsule with outer sealing material pressurized by fluid and method and system for using same

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A23L-002/395
미국특허분류(USC)	426/431; 426/433; 426/112; 426/077; 426/084; 099/295; 099/302R
출원번호	US-0281440 (2007-03-20)
등록번호	US-8304006 (2012-11-06)
우선권정보	EP-06006922 (2006-03-31)
국제출원번호	PCT/EP2007/052613 (2007-03-20)
§371/§102 date	20080902 (20080902)
국제공개번호	WO2007/113100 (2007-10-11)
발명자 / 주소	Yoakim, Alfred Gavillet, Gilles Denisart, Jean-Paul Kollep, Alexandre
출원인 / 주소	Nestec S.A.
대리인 / 주소	Winston & Strawn LLP
인용정보	피인용 횟수 : 9 인용 특허 : 24

초록
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A method for producing a beverage from an ingredient-containing capsule by inserting a sealed capsule into a capsule enclosure space of a beverage production device, enclosing the capsule by a relative displacement of at least two enclosing members which define the capsule enclosure space, and opening an inlet face of the capsule and injecting a fluid under pressure into the capsule in order to open an outlet face of the capsule. The capsule is provided at its outer surface with sealing material which is exposed to the fluid pressure in the capsule enclosure space. After enclosing the capsule, the fluid pressure in the capsule at least partially acts on the sealing material, such that in turn the sealing material is pressed against one of the enclosing members thus constituting a flow resistance that is sufficient to guarantee a pressure build-up inside the capsule sufficient for the pressure-assisted opening of the outlet face of the capsule.

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1. A method for producing a beverage from an ingredient-containing capsule, which comprises: enclosing a sealed capsule into a capsule enclosure space of a beverage production device by a relative displacement of at least two enclosing members which define the capsule enclosure space, wherein the capsule comprises first and second wall members that are sealed at their peripheries to form a flange-like rim and that enclose beverage forming ingredients therein, with the first wall member including an inlet face and the second wall member including an outlet face, and with the enclosing members of the device including a first enclosing member arranged for opening the inlet face of the capsule and injecting a fluid under pressure therein, and a second enclosing member arranged for opening the outlet face of the capsule,opening the inlet face of the capsule with the first enclosing member which injects a fluid under pressure into the capsule in order to eventually open the outlet face of the capsule, the opening of the outlet face of the capsule being assisted by the fluid pressure inside the capsule, wherein the capsule has sealing material on part of the outer surface of the first wall member or extending from a portion of the flange-like rim adjacent the first wall member to form part of the capsule, which sealing material is exposed to the fluid pressure in the capsule enclosure space, andafter enclosing the capsule, having the fluid pressure reigning in the capsule enclosure space at least partially act on the sealing material, such that in turn the sealing material is pressed against the first enclosing member thus constituting a flow resistance which prevents the fluid from bypassing the ingredients in the capsule and which is sufficient to guarantee a pressure build-up inside the capsule sufficient for the pressure-assisted opening of the outlet face of the capsule. 2. The method according to claim 1, wherein the fluid pressure acts on the sealing material such that the sealing material is pressed both against the enclosure member and the outer surface of the first wall member of the capsule. 3. A method for producing a beverage from an ingredient-containing capsule, which comprises: enclosing a sealed capsule into a capsule enclosure space of a beverage production device by a relative displacement of at least two enclosing members which define the capsule enclosure space, wherein the capsule comprises first and second wall members that are sealed at their peripheries to form a flange-like rim and that enclose beverage forming ingredients therein, with the first wall member including an inlet face and the second wall member including an outlet face,opening the inlet face of the capsule and injecting a fluid under pressure into the capsule in order to open the outlet face of the capsule, the opening being assisted by the fluid pressure inside the capsule, wherein the capsule has sealing material on part of the outer surface of the first wall member or extending from a portion of the flange-like rim adjacent the first wall member to form part of the capsule, which sealing material is exposed to the fluid pressure in the capsule enclosure space, andafter enclosing the capsule, having the fluid pressure reigning in the capsule enclosure space at least partially act on the sealing material, such that in turn the sealing material is pressed against one of the enclosing members thus constituting a flow resistance which prevents the fluid from bypassing the ingredients in the capsule and which is sufficient to guarantee a pressure build-up inside the capsule sufficient for the pressure-assisted opening of the outlet face of the capsule,wherein the fluid pressure presses the sealing material in a direction towards a clearance between one of the enclosing members and the outer surface of the first wall member of the capsule, wherein the sealing material has a thickness that is greater than that of the clearance. 4. The method according to claim 1, wherein the outlet face of the second wall member of the capsule opens at a pressure of greater than 4 to as much as 8 bars. 5. The method according to claim 1, wherein the two enclosing members at least partially pinch the sealing material and the flange-like rim of the capsule. 6. The method according to claim 1, wherein the displacement of the enclosure members follows an essentially translational trajectory in its final approach phase. 7. The method according to claim 1, wherein the sealing material is at least partially compressed by the enclosing members when closing the capsule enclosure space. 8. The method according to claim 1, wherein the sealing material is compressed by the fluid pressure. 9. The method according to claim 1, wherein the sealing material is selected from the group consisting of fibers, paper, cotton, viscous paste, and foam. 10. The method according to claim 1, wherein the sealing material is made of a material that can be plastically deformed under the pressure of the fluid. 11. The method according to claim 1, wherein the sealing material is attached to the outer face of the capsule by gluing, welding, press-fitting, crimping or combinations thereof. 12. The method according to claim 1, wherein the sealing material has a thickness of 0.3 mm to 2.5 mm. 13. The method according to claim 1, wherein the engaging surface of the enclosing member presents corrugations which are at least substantially closed by the pressurized sealing material. 14. A beverage production system, comprising a capsule enclosure space which can selectively enclose a capsule by a relative displacement of at least two enclosing members including a first enclosing member arranged for opening the inlet face of the capsule and injecting a fluid under pressure therein, and a second enclosing member arranged for opening the outlet face of the capsule,a beverage-ingredient containing capsule comprising first and second wall members that are sealed at their peripheries to form a flange-like rim and that enclose beverage forming ingredients therein, with the first wall member including an inlet face and the second wall member including an outlet face, anda fluid injection member for injecting a fluid under pressure into the capsule, the pressure of the fluid injection assisting in the opening of the outlet face,wherein the capsule has sealing material on part of the outer surface of the first wall member or extending from a portion of the flange-like rim adjacent the first wall member to form part of the capsule, which sealing material is geometrically arranged in order to be exposed to the fluid pressure in the capsule enclosure space,wherein the capsule enclosing members and the capsule are geometrically arranged such that at least said first enclosing member is engaged by the sealing member of the capsule under the effect of the fluid pressure being present between the outer surface of the capsule acting on the sealing member; andwherein the sealing member is pressed against the first enclosing member to form a flow resistance which prevents the fluid from bypassing the ingredients in the capsule and which is effective to enable pressure in the capsule to rise sufficiently until the opening of the outlet face. 15. The system according to claim 14, wherein the sealing member is deformable under the pressure of fluid injection. 16. The system according to claim 14, wherein the sealing member material is different than the material constituting the capsule. 17. The system according to claim 14, wherein the sealing material is selected from the group consisting of fibers, paper, cotton, viscous paste, and foam. 18. The system according to claim 14, wherein the sealing material has a thickness of 0.3 mm to 2.5 mm. 19. The system according to claim 14, wherein the outlet face of the capsule is designed to open at a pressure in excess of the ambient pressure by more than 4 to as much as 8 bars. 20. The system according to claim 14, wherein the engaging surface of the enclosing member presents corrugations which are at least substantially closed by the pressurized sealing material. 21. The system according to claim 14, wherein the two enclosing members are designed to selectively cooperate with the sealing member of the capsule by engaging it with a pinching movement which follows an essentially translational trajectory in its final approach phase. 22. A capsule for containing a beverage ingredient, the capsule comprising first and second wall members that are sealed at their peripheries to form a flange-like rim and that enclose beverage forming ingredients therein, with the first wall member including an inlet face and the second wall member including an outlet face, and a dedicated sealing member on part of the outer surface of the first wall member or extending from a portion of the flange-like rim adjacent the first wall member to form part of the capsule, the sealing member being made from material that is different than the material constituting the wall members of the capsule, wherein, when the capsule is placed in a capsule enclosure space of a beverage producing machine and is selectively enclosed by a relative displacement of at least two enclosing members about the space, wherein a first enclosing member is arranged for opening the inlet face of the capsule and injecting a fluid under pressure therein, and a second enclosing member is arranged for opening the outlet face of the capsule, and further when fluid is injected under pressure into the capsule, the sealing member is pressed against the first enclosing member to form a flow resistance which prevents the fluid from bypassing the ingredients in the capsule and which is effective to enable pressure in the capsule to rise sufficiently until the opening of the outlet face. 23. The capsule of claim 22, wherein the first wall member forms a cup-like base body that includes the beverage forming ingredients therein, the second wall member is a foil member which hermetically seals the ingredients in the capsule, and the sealing material is provided on the rim adjacent the first wall member and is deformable under the pressure of fluid injection.

이 특허에 인용된 특허 (24)

이 특허를 인용한 특허 피인용횟수: 9

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Capsule with outer sealing material pressurized by fluid and method and system for using same

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이 특허에 인용된 특허 (24)

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