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Closed cartridge for preparing a beverage for extraction under pressure

  • US 7,658,141 B2
  • Filed: 11/13/2006
  • Issued: 02/09/2010
  • Est. Priority Date: 09/26/2000
  • Status: Active Grant
First Claim
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1. A sealed cartridge for preparing a food, comprising:

  • a container portion closed to define an interior space that contains a food product comprising a solid substance; and

    a retention member formed by a fabric which is comprised of a solid attached to the container portion along a central part and a peripheral part of a bottom of the container portion, wherein the peripheral part extends around the central part;

    and a puncture member of a capsule cage located between the central and peripheral parts for opening said container portion, the fabric is attached to the bottom of the container portion for retaining the solid substance within the interior space when the puncture member is removed from the container portion.

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