Single Cup Beverage Ingredient Filter Basket and Method of Using Same
First Claim
1. A single cup beverage ingredient containing filter basket, comprising:
- a filter retainer having an upper end with open top and a bottom end including an opening therein;
an insert having an upper collar of a less than the diameter of the upper end of the retainer cup to fit therein and having a lower extension which when a filter is disposed between the retainer and the insert, the insert is dimensionally proportioned to press-fit the filter within the retainer to retain the filter between the insert and retainer yet not so tight between the insert and retainer as to substantially restrict fluid flow through sides of the filter and cause undue pressure on a bottom of the filter; and
a top having an outer perimeter lip portion of a diameter and configuration positionable to form a closure about the upper end of the retainer when disposed thereagainst.
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Accused Products
Abstract
A coffee filter basket includes a filter retainer having an outer shell with an upper end having open top and a bottom including an opening, an insert having an upper collar of a less than the diameter than the upper end of the retainer to fit therein and having a lower extension which when a filter is disposed within the retainer and the insert is disposed within the filter, the insert press-fits within the retainer to retain the filter adjacent the retainer shell, and a removable top having an outer perimeter lip portion of at least that of the diameter of the upper end of the retainer and a lower collar portion of a diameter less than the diameter of the upper collar and configured to press-fit therein to secure the insert in the retainer, wherein the removable top has an opening. A method of use is provided.
25 Citations
19 Claims
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1. A single cup beverage ingredient containing filter basket, comprising:
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a filter retainer having an upper end with open top and a bottom end including an opening therein; an insert having an upper collar of a less than the diameter of the upper end of the retainer cup to fit therein and having a lower extension which when a filter is disposed between the retainer and the insert, the insert is dimensionally proportioned to press-fit the filter within the retainer to retain the filter between the insert and retainer yet not so tight between the insert and retainer as to substantially restrict fluid flow through sides of the filter and cause undue pressure on a bottom of the filter; and a top having an outer perimeter lip portion of a diameter and configuration positionable to form a closure about the upper end of the retainer when disposed thereagainst. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of brewing a single cup of coffee comprises the steps of:
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providing an electric coffee brewing machine;
providing a single-use, reusable brew basket a filter retainer an upper end having open top and a bottom including an opening therein, an insert having an upper collar of a less than the diameter than the upper end of the retainer to fit therein and having a lower extension which when a filter is disposed within the retainer and the insert is disposed within the filter, the insert press-fits the filter within the retainer to retain the filter adjacent the retainer, and a removable top provided having an outer perimeter lip portion of at least that of the diameter of the upper end of the retainer and a lower collar portion of a diameter less than the diameter of the upper collar and configured to press-fit therein to secure the insert within the retainer, wherein the top has an opening therethrough;disposing a single-use coffee filter between the retainer and the insert in a manner to cause the same to be press-fit therebetween; putting coffee into the filter; connecting the top onto the retainer such that the lower collar portion press-fits to the insert; and inserting the disposable brew basket into the electric coffee brewing machine and brewing a single cup of coffee with the electric coffee brewing machine. - View Dependent Claims (13, 14)
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- 15. A filter for use in a reusable single cup beverage ingredient containing filter basket, which includes a paper based substrate having a substantially planar base portion, the base portion having an inside surface for receipt of beverage forming ingredient, and an annular sidewall portion which extends upwardly and radially outwardly from a periphery of the planar base portion, the annular sidewall portion having an inner surface for receipt of beverage forming ingredient and an outside surface for contacting the retainer and wherein the annular sidewall includes a plurality of ridges extending radially outwardly and valleys extending radially inwardly, the plurality of ridges and valleys cooperating when press-fit between an insert and a retainer of the basket enhance the flowability of liquid through the filter and wherein said filter is of a sufficient strength such that said sidewall when press-fit between a retaining cup and an insert is sufficient to aid in retention of said filter between the retainer and the insert and for holding a beverage forming ingredient therein when under subjected to high heat and pressure from a single cup brewer.
Specification