Filter for preparing coffee or infusion
AssigneeKoffie F. Rombouts N.V.
InventorXavier Rombouts
Life of this patent
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Abstract
Disclosed herein is a filter configured for preparing coffee or an infusion for single use by being placed on a cup in a use position. The filter includes a tub and a compartment. The tub is configured to receive a liquid. The tub having has a supporting edge extending inwardly from a lower edge of the tub. The supporting edge supports the filter when the filter is placed on the cup in the use position. The compartment has a perforated base. The compartment extends from the support edge. The compartment is at least partly delimited by water-permeable layers configured to be provided with coffee or herbs. At least an outside surface of the supporting edge is provided with a microroughness Ra between IO and 200 μm.
Claims12
A filter configured for preparing coffee or an infusion, the filter comprises a tub for pouring a liquid over and whereby, when in a use position, a compartment is provided at a bottom of the tub which is partly delimited by water-permeable layers and in which coffee or herbs are provided, whereby the tub is made of a generally cylindrical or conical jacket, a lower edge of the tub is provided with an inwardly oriented supporting edge which transitions into the compartment with a perforated base, whereby the inwardly oriented supporting edge serves as a supporting edge for the filter when the filter is placed on a cup in the use position, wherein at least an outside surface of the supporting edge is provided with a microroughness Ra between 35 and 200 μm, and
- wherein the coffee or the infusion is prepared by pouring the liquid over the coffee or the herbs.
A filter configured for preparing coffee or an infusion by being placed on a cup in a use position, the filter comprising:
- a tub configured to receive a liquid, the tub having a supporting edge extending inwardly from a lower edge of the tub, the supporting edge supports the filter when the filter is placed on the cup in the use position;
- and
- a compartment having a perforated base, the compartment extending from the supporting edge, the compartment is at least partly delimited by water-permeable layers configured to be provided with coffee or herbs,
- wherein at least an outside surface of the supporting edge is provided with a microroughness Ra between 35 and 200 μm,
- and
- wherein the coffee or the infusion is prepared by pouring the liquid over the coffee or the herbs.
Dependencies are inferred from the claim text.