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Cartridge-operated coffee-machine

  • US 7,325,479 B2
  • Filed: 07/11/2003
  • Issued: 02/05/2008
  • Est. Priority Date: 07/12/2002
  • Status: Expired due to Fees
First Claim
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1. Coffee maker able to function with cartridges containing a beverage-producing product, comprising means for supplying hot water to an infusion head able to receive at least two cartridges (2,2

  • ) of different diameters each having at least one flat seating surface, means for placing said means for supplying in communication with the product contained within the cartridges in order to obtain a beverage, as well as means permitting said beverage leaving the cartridge to be directed towards a beverage collecting container, where said infusion head has a support (11) having at least one hollow (29) forming a housing for at least two cartridges (2,2

    ) of different diameters, characterized in that said hollow (29) has a peripheral annular seat (35) common to several seating flange (6,6

    ) diameters of different cartridges, one or more parts of the external edge of said peripheral seat (35) forming a vertical wall for common indexing of said cartridges (2,2

    ), characterized in that one cartridge is indexed with respect to one of the vertical side walls (39) of said hollow.

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