JP2017511711A5 - - Google Patents

Claims (40)

In beverage preparation capsules,
A hollow body suitable for containing a beverage preparation ingredient, the upper end for receiving liquid into the hollow body and in fluid communication with the upper end for dispensing beverage from the hollow body A hollow body having a lower end and at least one side wall between the upper end and the lower end;
And further comprising a filter material having a variable permeability along at least one dimension of a surface area of the filter material, wherein the filter material is an upper portion of the hollow body. Or closer to the inlet, less permeable and more permeable near the bottom of the hollow body or the outlet, or the filter material is closer to the side wall of the hollow body A beverage preparation capsule characterized in that it is less permeable and is more permeable closer to the center of the filter material, or a combination of both.   The beverage preparation capsule of claim 1, wherein the variable permeability of the filter material is provided by a variable thickness, variable pore size, variable pore density, or variable composition of the filter material. .   The beverage preparation capsule according to claim 1 or 2, wherein the filter material is a sheet of filter material.   4. The beverage preparation capsule according to claim 3, wherein the sheet of filter material is inclined with respect to the side wall and extends across the inside of the hollow body.   The sheet of filter material extends directly from a first position on the side wall to a second position on the side wall, the first position relative to the upper end of the hollow body. The beverage preparation capsule according to claim 4, wherein the capsule is close and the second position is relatively close to the lower end of the hollow body. The permeability of the filter material increases from the first position relatively close to the upper end of the hollow body toward the second position relatively close to the lower end of the hollow body. cage, the permeability, the beverage preparation capsule according to claim 5, wherein the transparent excessive is characterized in that it increased by changing little by little before Symbol filter material.   A beverage preparation capsule according to claim 3, wherein the sheet of filter material is U-shaped with a rounded bottom or flat bottom and extends across the interior of the hollow body. . The permeability of the filter material, the has increased toward the center bottom region of the U-shaped filter material, said permeability before Symbol filter material, be increased by the transparent excessive changes gradually The beverage preparation capsule according to claim 7, wherein   9. A beverage preparation capsule according to any one of claims 3 to 8, wherein the sheet of filter material is a single sheet of unfolded material.   The sheet of filter material is folded and the sheet of filter material extends across the interior of the hollow body in a V-shape or W-shape or with a series of grooves. The beverage preparation capsule according to claim 3, wherein the capsule is a beverage preparation capsule. The permeability of the filter material increases toward the bottom of the groove of the V-shaped filter material, or the filter material is continuous with the W-shaped or the series of grooves. has increased toward each bottom of each groove, before Symbol the permeability of the filter material, the beverage preparation capsule according to claim 10, wherein the transparent excessive is characterized in that it increased by changing little by little .   12. A beverage preparation capsule according to any one of claims 3 to 11, wherein the sheet of filter material is fixed to the at least one side wall of the hollow body around the periphery of the sheet.   12. A region according to any one of claims 3 to 11, characterized in that the region of the side wall is at least partially permeable, the permeable region of the side wall acting as a sheet of the filter material. 2. Beverage preparation capsules according to item   The sheet of filter material divides the hollow body into an injection chamber for receiving the liquid and a discharge chamber, wherein the beverage is dispensed from the discharge chamber. Item 14. A beverage preparation capsule according to any one of Items 3 to 13.   The beverage preparation capsule according to any one of claims 1 to 14, wherein a surface area of the filter material is larger than a cross-sectional area of the cavity of the hollow body. A injection port of the liquid is Bruno nozzle, the liquid can enter the hollow body through the infusion inlet, it further comprises an inlet claim 1, wherein 15 or 1 2. Beverage preparation capsules according to the item. A discharge port of the liquid in the open port can seam, claim 1, wherein the beverage can exit from the hollow body through the exhaust outlet, characterized in that it further comprises an outlet 16 A beverage preparation capsule according to any one of the preceding claims.   18. A beverage preparation capsule according to claim 17, wherein the outlet is sealed with a joint releasable by heat and / or pressure. The supported on the filter material between the upper end of the filter material and the hollow body, one of claims 1 to 18, characterized in that it comprises the beverage preparation material is coffee or tea leaves had minced A beverage preparation capsule according to claim 1.   The beverage preparation capsule according to claim 19, wherein the beverage preparation material is sealed in the capsule before use.   The beverage preparation capsule according to any one of claims 1 to 20, wherein the filter material is a web material or a non-woven fiber material. Contains about 2 to about 25 grams of ground coffee, or about 1 to about 9 grams of tea leaves, or about 2 to about 30 grams of water dispersible ingredients for the preparation of about 25 to about 500 ml beverages The beverage preparation capsule according to any one of claims 1 to 21, which is a full capsule.   The hollow body is in the form of a sachet with a front sheet and a rear sheet of flexible film material disposed in face-to-face relationship and sealed along edges thereof, the filter material comprising: 23. A beverage preparation capsule according to any one of the preceding claims, characterized in that it extends from the front sheet of the hollow body to the rear sheet of the hollow body.   The beverage preparation capsule according to claim 23, wherein the front sheet and the rear sheet of the hollow body are air and water impermeable laminated sheets.   The front and rear sheets of the hollow body are permanently joined together along the seams at the edges and the upper seam, providing a discharge area at the lower seam of the hollow body. 25. A beverage preparation capsule according to claim 23 or 24, wherein a liquid injection nozzle is inserted into the upper seam or one edge seam of the hollow body.   The filter material is second from the first position on one sheet of the hollow body, which is relatively close to the injection nozzle, to the second sheet on the opposite sheet of the hollow body, which is relatively close to the discharge area. 26. Beverage preparation capsule according to claim 25, characterized in that it is a slanted sheet extending into position.   27. Beverage preparation capsule according to claim 25 or 26, characterized in that the discharge area is sealed with a heat and / or pressure releasable joint.   The flexible film material region of the front sheet and / or the rear sheet is at least partially permeable, and the permeable region of the flexible film material acts as a sheet of the filter material. 28. A beverage preparation capsule according to any one of claims 23 to 27, characterized in that it is.   The flexible film material of the hollow body is a laminate, and the laminate is a thermoplastic sealant layer for joining the hollow body to other members of the capsule, a substantially gas-impermeable barrier layer, The beverage preparation capsule according to any one of claims 23 to 28, comprising two or more of an adhesion layer and a structural layer that promote adhesion between the layers of the laminate.   30. A beverage preparation capsule according to claim 29, wherein the hollow film material is a laminate comprising a polypropylene layer and a polyvinyl alcohol layer.   23. Beverage preparation capsule according to any one of the preceding claims, wherein the hollow body is in the form of a pod with at least one sheet of semi-rigid material.   The sheet of semi-rigid material is a laminate, and the laminate comprises a thermoplastic sealant layer for joining the hollow body to other members of the capsule, a substantially gas impermeable barrier layer, and the laminate. 32. A beverage preparation capsule according to claim 31, comprising at least one of an adhesion layer and a structural layer that promote adhesion between body layers.   Of a flexible or semi-rigid material joined to a first sheet of semi-rigid material formed in the shape of a cup or bowl having a flanged rim and across the flanged rim to form the hollow body A beverage preparation capsule according to claim 31 or 32, comprising a second sheet. At least one wall of the hollow body, which can be a hole by infusion tube or discharge pipe of a beverage preparation device, both of the upper and the lower end of the front Symbol hollow body that a hole 34. A beverage preparation capsule according to any one of claims 31 to 33, characterized in that it can be made.   31. A method of preparing a beverage, comprising the step of passing an aqueous liquid through the beverage preparation capsule of any one of claims 1-30.   A water injection tube is inserted into the hollow body through a nozzle located on the upper end or upper end region side wall of the hollow body, and then onto the beverage preparation ingredients inside the hollow body. 36. The method of claim 35, comprising injecting a liquid to prepare the beverage or beverage component.   When the liquid is introduced into the hollow body, the lower end portion or the lower end region side wall of the hollow body is ruptured to open and allow the beverage to flow out of the hollow body through a discharge pipe. 37. A method according to claim 35 or 36, comprising a pressure seal.   35. A method of preparing a beverage, the method comprising passing an aqueous liquid through the beverage preparation capsule of any one of claims 1 to 21 and 31 to 34.   A hole is formed in the upper end portion or upper end region side wall of the hollow body with an injection pipe so that an opening of the injection pipe exists above the filter material, and then the beverage preparation inside the hollow body 40. The method of claim 38, comprising injecting the liquid onto a raw material to prepare the beverage or beverage component.   A hole is formed in the lower end portion or the lower end region side wall of the hollow body so that an opening of the discharge tube exists below the filter material, and then the beverage is passed through the discharge tube. 40. A method according to claim 38 or 39, comprising the step of allowing the body to drain.

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