Beverage filter cartridge
First Claim
Patent Images
1. A beverage filter cartridge comprising:
- an impermeable cup-shaped container having a substantially flat first bottom and a first side wall diverging upwardly from said first bottom to a collar surrounding a top opening;
a filter element having a substantially flat second bottom and a second side wall diverging upwardly from said second bottom to an upper rim, said filter element being received in said container with said second bottom spaced both inwardly from said first side wall and vertically from said first bottom, and with said upper rim joined at a peripheral juncture to the interior of said first side wall, the interior of said container thus being subdivided by said filter element into a first chamber accessible via said top opening, and a second chamber disposed between said first and second bottoms, said second side wall coacting with the interior of said first side wall to define exit channels leading from said peripheral juncture to said second chamber;
a beverage medium received in said first chamber via said top opening; and
an impermeable cover sealed to said collar and closing said top opening, said cover being piercable to admit liquid into said first chamber for impulsion with said beverage medium to produce a beverage, said filter element being permeable to accommodate the flow therethrough of said beverage for delivery via said channels to said second chamber, and said first bottom being piercable to accommodate an outflow of said beverage from said cartridge.
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Abstract
A beverage filter cartridge has an impermeable cup-shaped out container internally subdivided by a generally cup-shaped filter element into a first chamber inside the filter and a second chamber located between the filter bottom and the container bottom. The upper rim of the filter is joined at a peripheral juncture to the container side wall, and the filter side wall has exterior channels that face the container side wall and lead downwardly from the peripheral juncture to the second chamber.
250 Citations
12 Claims
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1. A beverage filter cartridge comprising:
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an impermeable cup-shaped container having a substantially flat first bottom and a first side wall diverging upwardly from said first bottom to a collar surrounding a top opening;
a filter element having a substantially flat second bottom and a second side wall diverging upwardly from said second bottom to an upper rim, said filter element being received in said container with said second bottom spaced both inwardly from said first side wall and vertically from said first bottom, and with said upper rim joined at a peripheral juncture to the interior of said first side wall, the interior of said container thus being subdivided by said filter element into a first chamber accessible via said top opening, and a second chamber disposed between said first and second bottoms, said second side wall coacting with the interior of said first side wall to define exit channels leading from said peripheral juncture to said second chamber;
a beverage medium received in said first chamber via said top opening; and
an impermeable cover sealed to said collar and closing said top opening, said cover being piercable to admit liquid into said first chamber for impulsion with said beverage medium to produce a beverage, said filter element being permeable to accommodate the flow therethrough of said beverage for delivery via said channels to said second chamber, and said first bottom being piercable to accommodate an outflow of said beverage from said cartridge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A beverage filter cartridge comprising:
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a cup-shaped outer container having a side wall and a bottom; and
a cup-shaped filter element having a side wall and a bottom;
said filter element being arranged to subdivide the interior of said container into a first chamber inside said filter element and a second chamber located between the bottom of said filter element and the bottom of said container, said filter element having an upper rim joined to the container side wall at a peripheral juncture, and said filter sidewall having exterior channels that face said container side wall and that lead downwardly from said peripheral juncture to said second chamber.
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Specification