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Devices for use with espresso machines

  • US 5,343,799 A
  • Filed: 12/22/1993
  • Issued: 09/06/1994
  • Est. Priority Date: 07/05/1991
  • Status: Expired due to Term
First Claim
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1. A device for containing a cartridge which contains a material to be extracted for preparation of a beverage and or use with an extraction apparatus of the type including an extraction head wherein the extraction head has a base, an annular peripheral sidewall portion which extends from and laterally with respect to the base, and a member which forms an extraction head base grill for distributing water from a passage opening in the base and which extends to an annular grill rim positioned adjacent the peripheral sidewall portion of the extraction head, the device comprising:

  • a cartridge holder member having a substantially planar base for supporting a cartridge which contains a material to be extracted for preparation of a beverage and having inner and outer annular wall surfaces which extend about and from the holder base to an edge to form a frustoconically shaped holder enclosure having an opening defined by the wall edge for being positioned adjacent the base grill; and

    a holder extension member which is integral with the outer wall surface and has a first portion which extends laterally away from the outer wall surface and which is substantially parallel to the base and a second portion which is substantially perpendicular to the first portion and extends in a direction away from the base to define a groove between the outer wall surface and second portion at a position suitable for being fitted adjacent the grill rim, the groove further being laterally spaced from the outer wall surface; and

    a seal positioned in the groove for providing a seal between the holder member and the grill rim during extraction of the beverage in the cartridge.

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