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A method, system and cartridge for forming a beverage includes a cartridge having a container defining an interior space, a lid, a filter, and a beverage medium contained in the interior space. The filter may be attached to the lid only, and extend into the interior space to separate first and secon

A method, system and cartridge for forming a beverage includes a cartridge having a container defining an interior space, a lid, a filter, and a beverage medium contained in the interior space. The filter may be attached to the lid only, and extend into the interior space to separate first and second chambers of the cartridge. The filter may hold the beverage medium and be arranged so that, when the lid is removed from the container, e.g., by peeling the lid from the container, the filter and beverage medium are removed together with the lid.

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1. A cartridge for use in forming a beverage, the cartridge comprising: a container having an interior space;a rim attached to the container and defining an opening to the interior space;a lid attached to the rim and closing the opening of the container, the lid consisting of a sheet of flexible mat

1. A cartridge for use in forming a beverage, the cartridge comprising: a container having an interior space;a rim attached to the container and defining an opening to the interior space;a lid attached to the rim and closing the opening of the container, the lid consisting of a sheet of flexible material;a filter attached to the lid at a periphery located inwardly and away from the rim so as to form a gap between the periphery and the rim, the filter extending from the periphery into the interior space and separating a first chamber from a second chamber in the interior space, the filter being unattached to the container; anda beverage medium in the first chamber of the interior space arranged to interact with liquid introduced into the container to form a beverage;wherein the lid has a first portion that is pierceable by a beverage machine to accommodate an inflow of pressurized liquid into the first chamber of the interior space to form a beverage. 2. The cartridge of claim 1, the lid further having a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the second chamber, and wherein the lid and container are impermeable. 3. The cartridge of claim 1, wherein the container has a surface arranged to be pierced by a beverage machine to permit the beverage to exit the interior space, and wherein the lid and container are impermeable. 4. The cartridge of claim 1, wherein the lid consists of a foil and polymer laminate material. 5. The cartridge of claim 1, the lid further having a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the second chamber, and wherein the second portion has an annular shape. 6. The cartridge of claim 1, wherein the first portion is located at a center of the lid and is inside the periphery. 7. The cartridge of claim 1, the lid further having a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the second chamber, and wherein the second portion is closer to the rim than the first portion. 8. The cartridge of claim 1, wherein the lid is arranged to be pierced with a lower force than the container. 9. The cartridge of claim 1, wherein the container has a frustoconical shape with a sidewall and a bottom, the filter has a fluted or conical shape, and the filter is attached only to the lid. 10. The cartridge of claim 1, wherein the beverage medium is in the first chamber, the cartridge further comprising a flow distributor between the first portion of the lid and the beverage medium. 11. The cartridge of claim 10, wherein the flow distributor is attached to the lid. 12. The cartridge of claim 1, wherein the filter includes a permeable filter paper. 13. The cartridge of claim 1, wherein the lid is peelably removable by hand from the rim, the beverage medium is in the first chamber, and the filter is attached to the lid such that the filter and the beverage medium are removable from the container together with the lid upon removal of the lid from the rim. 14. The cartridge of claim 1, further comprising a flow distributor attached to the lid in the first chamber near a center of the lid and at a location corresponding to the first portion of the lid, the flow distributor being positioned between the first portion of the lid and the beverage medium, and wherein the container has a frustoconical shape with a sidewall, an annular rim at an upper end of the sidewall, and a bottom at a lower end of the sidewall, the filter has a fluted cup-like or conical shape and an upper end of the filter is attached only to the lid at the periphery, and the lid has a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the second chamber, the second portion being closer to the rim than the first portion. 15. The cartridge of claim 1, wherein the container includes a sidewall having a spout feature. 16. The cartridge of claim 1, further comprising beverage medium in the second chamber. 17. A method of manufacturing a cartridge for use with a beverage brewing machine, comprising: providing a container having an interior space and a rim defining an opening into the interior space;attaching a filter to a lid at a periphery that is located inwardly and away from the rim so as to form a gap between the periphery and the rim, the lid consisting of a sheet of flexible material;attaching the lid to the rim to close the opening after the filter is attached to the lid and such that the periphery is spaced inwardly and away from the rim and the filter extends from the periphery into the interior space and separates a first chamber from a second chamber in the interior space; andproviding a beverage medium in the first chamber of the interior space that is arranged to interact with liquid introduced into the container to form a beverage,wherein the lid has a first portion that is pierceable by a beverage machine to accommodate, and the cartridge is otherwise arranged to accommodate, an inflow of pressurized liquid into the first chamber of the interior space to form a beverage. 18. The method of claim 17, wherein the first portion is located within the periphery and at a center of the lid. 19. The method of claim 17, wherein the lid has a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the second chamber. 20. The method of claim 19, wherein the second portion is between the periphery and the rim and has an annular shape. 21. The method of claim 17, wherein the container has a surface arranged to be pierced by a beverage machine to permit the beverage to exit the interior space. 22. The method of claim 17, further comprising beverage medium in the second chamber. 23. The method of claim 17, wherein the container has a frustoconical shape with a sidewall and a bottom, the filter has a fluted or conical shape, and the filter is attached only to the lid. 24. The method of claim 17, further comprising providing a flow distributor between the lid and the beverage medium. 25. The method of claim 24, wherein the flow distributor is attached to the lid. 26. The method of claim 17, wherein the lid is peelably removable by hand from the rim, the beverage medium is in the first chamber, and the filter is attached to the lid such that the filter and the beverage medium are removable from the container together with the lid upon removal of the lid from the rim. 27. A beverage system comprising: a beverage machine comprising: a cartridge receiver arranged to receive a cartridge;a fluid inlet arranged to introduce liquid into the cartridge via a first opening in the cartridge;a fluid outlet arranged to receive a beverage from the cartridge via a second opening in the cartridge; anda cartridge arranged to be received by the cartridge receiver of the beverage machine, the cartridge comprising:a container having an interior space and a rim defining an opening to the interior space;a lid attached to the rim and closing the opening of the container, the lid consisting of a sheet of flexible material;a filter attached to the lid at a periphery located inwardly and away from the rim so as to form a gap between the periphery and the rim, the filter extending from the periphery into the interior space and separating a first chamber from a second chamber in the interior space, the filter being unattached to the container; anda beverage medium in the first chamber of the interior space that is arranged to interact with liquid introduced into the container to form a beverage;wherein the beverage machine is arranged to pierce a first portion of the lid to introduce an inflow of pressurized liquid via the fluid inlet into the first chamber to form a beverage, and the beverage machine is arranged to pierce a second portion of the lid to accommodate an outflow of beverage from the cartridge to the fluid outlet. 28. The system of claim 27, wherein the beverage machine includes a clamping mechanism that engages the rim of the cartridge. 29. The system of claim 27, further comprising: a vent to vent the interior space of the cartridge via a third opening in the lid. 30. The system of claim 27, wherein the lid is more easily pierced than the container. 31. The system of claim 27, wherein the lid is approximately planar and the cartridge receiver is arranged to position the lid in a downward facing orientation with the container above the lid and the lid in a plane that is transverse to a horizontal plane. 32. The system of claim 31, wherein the plane is at an angle of about 20 degrees to 70 degrees to the horizontal plane. 33. The system of claim 27, where the fluid inlet is positioned above the fluid outlet. 34. The system of claim 27, wherein the fluid inlet and the fluid outlet are each arranged to pierce the lid to form the first and second opening, respectively. 35. A cartridge for use in forming a beverage, the cartridge comprising: a container having an interior space;a rim attached to the container and defining an opening to the interior space;a lid attached to the rim and closing the opening of the container, the lid consisting of a sheet of flexible material;a filter attached to the lid at a filter periphery located inwardly and away from the rim so as to form a gap between the filter periphery and the rim, the filter extending from the filter periphery into the interior space and separating a first chamber from a second chamber in the interior space, the filter being unattached to the container;a flow distributor attached to the lid at a periphery located away from the rim and inside the filter periphery, the flow distributor extending from the periphery into the first chamber of the interior space and separating a first area inside the flow distributor from a second area in the interior space, the flow distributor being unattached to the container and arranged to alter flow of liquid introduced into the first area; anda beverage medium in the first chamber of the interior space arranged to interact with liquid introduced into the container to form a beverage;wherein the lid has a first portion that is pierceable by a beverage machine to accommodate an inflow of pressurized liquid into the first area. 36. The cartridge of claim 35, the lid further having a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the interior space, and wherein the lid and container are impermeable. 37. The cartridge of claim 35, wherein the container has a surface arranged to be pierced by a beverage machine to permit the beverage to exit the interior space, and wherein the lid and container are impermeable. 38. The cartridge of claim 35, wherein the flow distributor is attached to the lid so as to form a gap between the periphery and the filter periphery. 39. The cartridge of claim 35, the lid further having a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the interior space, and wherein the second portion has an annular shape. 40. The cartridge of claim 35, wherein the first portion is located at a center of the lid and is inside the periphery. 41. The cartridge of claim 35, the lid further having a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the second chamber, and wherein the second portion is closer to the rim than the first portion. 42. The cartridge of claim 35, wherein the lid is arranged to be pierced with a lower force than the container. 43. The cartridge of claim 35, further comprising beverage medium in the second chamber. 44. The cartridge of claim 35, wherein the container has a frustoconical shape with a sidewall and a bottom, and the flow distributor is attached only to the lid. 45. The cartridge of claim 35, the flow distributor is between the first portion of the lid and the beverage medium. 46. The cartridge of claim 45, wherein the lid is peelably removable by hand from the rim, and the filter and the flow distributor are attached to the lid such that the filter, the flow distributor and the beverage medium are removable from the container together with the lid upon removal of the lid from the rim. 47. The cartridge of claim 35, wherein the flow distributor is attached to the lid in the first chamber near a center of the lid and at a location corresponding to the first portion of the lid, and wherein the container has a frustoconical shape with a sidewall, a rim at an upper end of the sidewall, and a bottom at a lower end of the sidewall, the filter has a fluted cup-like or conical shape and an upper end of the flow distributor is attached only to the lid at a flow distributor periphery, and the lid has a second portion that is pierceable by a beverage machine to accommodate an outflow of beverage from the second chamber, the second portion being closer to the rim than the first portion. 48. The cartridge of claim 47, wherein the container includes a sidewall having a spout feature. 49. A cartridge for use in forming a beverage, the cartridge comprising: a container having a sidewall and a bottom defining an interior space, the sidewall including a spout extending on the sidewall;a rim attached to the container and defining an opening to the interior space, the spout extending from near the bottom of the container to the rim;a lid attached to the rim and closing the opening of the container, the lid consisting of a sheet of flexible material;a filter attached to the lid at a periphery located inwardly and away from the rim so as to form a gap between the periphery and the rim, the filter extending from the periphery into the interior space and separating a first chamber from a second chamber in the interior space, the filter being unattached to the container; anda beverage medium in the first chamber of the interior space arranged to interact with liquid introduced into the container to form a beverage;wherein the lid has a first portion that is pierceable by a beverage machine to accommodate an inflow of pressurized liquid into the first chamber, and wherein the lid has a second portion that is pierceable by a beverage machine to accommodate an outflow of liquid from the second chamber, the second portion being located at a spout area of the rim.