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Cartridge for the preparation of beverages

  • US 7,921,766 B2
  • Filed: 02/11/2005
  • Issued: 04/12/2011
  • Est. Priority Date: 02/17/2004
  • Status: Active Grant
First Claim
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1. A cartridge containing one or more beverage ingredients and being formed from substantially air- and water-impermeable materials, said cartridge comprising an inlet for the introduction of an aqueous medium into the cartridge, and an outlet for a beverage produced from said one or more beverage ingredients, wherein said cartridge comprises means for producing a jet of the beverage, wherein said means for producing the jet of the beverage comprises an aperture in a beverage flow path linking the inlet to the outlet, characterised in that the cartridge comprises one or more microscopic projections at or in the vicinity of the aperture for contacting the beverage flow path, and the microscopic projections have a height or thickness of 0.01 to 0.50 mm.

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