Portafilter for espresso coffee machines
AssigneeLa Marzocco S.R.L.
InventorsPiero Bambi, Paola Lorenzi
Life of this patent
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Abstract
In an improved filter holder for espresso coffee machines, the spout (22) is applied to the hollow upper member (10) of the filter holder by a snap fitting and the bottom (14) of the upper member (10) is provided on the outside of it with a relief shape (30), the edge (32) of which forms a stable supporting surface for pressing the ground coffee powder. The filter holder is made entirely of polished stainless steel.
Claims6
A filter for espresso coffee machines, comprising a substantially cylindrical, hollow upper member and a frustoconical lower member equipped with a spout, the cavities of the upper member and of the lower member being in communication with each other through a hole made in the bottom wall of the upper member, wherein the filter holder is comprised of the bottom wall of the upper member, at the hole, with a protrusion that is externally shaped in such a way as to form a male connector for a snap fitting with the lower member whose inlet is shaped to form a female connector.
A filter holder for espresso coffee machines, comprising a substantially cylindrical, hollow upper member and a frustoconical lower member equipped with a spout and associated with the upper member, the cavities of the upper member and of the lower member being in communication with each other through a hole made in the bottom wall of the upper member, wherein the filter holder is comprised of a relief shape on the bottom wall of the upper member, the edge of which forms a stable supporting surface.
Dependencies are inferred from the claim text.