Disposable beverage brewer

• US 3,971,305 A
• Filed: 03/27/1975
• Issued: 07/27/1976
• Est. Priority Date: 03/27/1975
• Status: Expired due to Term

• Current Assignee: Alexander C. Daswick
• Original Assignee: Alexander C. Daswick
• Inventors: Daswick, Alexander C.
• Primary Examiner(s): Gilreath, Stanley N.
• Assistant Examiner(s): Henderson, Arthur O.
• Application Number:
  US05/562,707
• Time in Patent Office: 488 Days
• Field of Search: 99/306, 99/300, 99/304, 99/320, 99/321-322, 99/323, 99/450, 99/295, 99/317, 122/431, 202/200, 210/314, 210/474, 210/475, 210/476, 426/77, 426/84, 426/432-433, 426/434
• US Class Current: 99/295
• CPC Class Codes: A47J 31/02 Coffee-making machines with removable extraction cups, to be placed on top of drinking-vessels i.e. coffee-makers with removable brewing vessels, to be placed on top of beverage containers, into which hot water is poured, e.g. cafe filter filters A47J31/06
• CPC Class Codes: B65D 85/8061 Filters

Abstract

A disposable one cup coffee brewer comprises a conical paper brewing filter having contained in the bottom thereof a quantity of loose coffee grounds, and having movably disposed therewithin, above the coffee grounds, a disc-shaped primary buoyant element for diverting water poured into the filter from falling directly upon the coffee grounds. Secondly, buoyant water flow diverting elements, disposed ouwardly from such primary buoyant element, may be provided to cover more of the water surface as the filter is filled. The filter and its contents are supported within a rigid conical support, at least portions of which are spaced outwardly from the filter to allow flow of brewed beverage therefrom. Two foldable tabs attached to the support have portions which rest upon the rim of a coffee mug or the like. A method for brewing coffee or the like is thereby provided.

Claims

1. A beverage brewer, which comprises:

a. a disposable brewing element having an open top and a closed bottom, and having contained in a lower region thereof a pre-selected quantity of coffee grounds or the like,

said brewing element being adapted to receive a supply of liquid and being liquid permeable,

b. a liquid diverting element disposed within said brewing element above said coffee grounds or the like,

said diverting element being buoyant and substantially non-porous, and substantially covering said coffee grounds or the like in its lowest position, whereby to divert liquid poured into said brewing element from being poured directly onto said coffee grounds, and

c. means disposed within said brewing element above said coffee grounds or the like for movably retaining said diverting element generally within said brewing element,

said retaining means allowing said diverting element to float at substantially any level of liquid within said brewing element, and retaining means also retaining said coffee grounds or the like within said brewing element and allowing a flow of liquid thereto.

2. The invention as claimed in claim 1, including means adapted for supporting said brewing element above a liquid receiving container.

3. The invention as claimed in claim 1, wherein said diverting element is substantially opaque, whereby at least a portion of said coffee grounds or the like are obscured from a user'"'"'s view.

4. The invention as claimed in claim 1, wherein said brewing element is conical in shape, tapering downwardly to a point.

5. The invention as claimed in claim 1, wherein said brewing element, said diverting element and said retaining means are constructed of disposable material, whereby the beverage brewer may be discarded after a single use.

6. The invention as claimed in claim 1, wherein said brewing element is adapted to be used for an individual serving of beverage.

7. The invention as claimed in claim -, wherein said retaining means comprises a flexible web of porous material having an outer region attached to an inner surface of said brewing element and having an inner region attached to said diverting element, said web being substantially larger than the cross-section of said filter element at the region of attachment thereto.

8. A disposable beverage brewer, which comprises:

a. a filter having disposed in a lower portion thereof a pre-selected quantity of coffee grounds or the like,

said filter being generally conical in shape and having a large diameter, open upper surface and a pointed bottom, said filter being adapted to receive a supply of water and being constructed of water permeable filter paper,

b. a water diverting element disposed within said filter above said coffee grounds or the like,

said diverting element being disc shaped and having a diameter substantially equal to that of the cross-section of said filter above the top of said coffee grounds or the like, said diverting element being adapted to float in water and being substantially non-porous, whereby water poured into said filter is substantially diverted from being poured directly upon said coffee grounds or the like,

c. means for retaining said diverting element and said coffee grounds or the like within said filter,

said means allowing said diverting element to float at substantially any level of water in said filter, and

d. means for supporting said filter above a liquid receiving container, said supporting means comprising a substantially rigid element having a frusto-conical shape, being open at the top and bottom, and having an upper region attached to an upper region of said filter, portions of said rigid element being spaced outwardly from portions of said filter, whereby to allow a flow of brewed beverage therebetween.

9. The invention as claimed in claim 8, wherein said retaining means comprises a flexible, conical web of porous material, having an outer edge portion attached to said filter, and having a central region attached to said diverting element, the angle of taper of said web being substantially equal to that of said filter.

10. The invention as claimed in claim 9, including a plurality of small buoyant, secondary water diverting elements, said secondary elements being attached to said web between said outer and central regions thereof.

11. The invention as claimed in claim 8, wherein said supporting means includes a plurality of support tabs, said support tabs being attached to lower portions of said rigid element, said tabs being bendable, from a position along sides of said rigid element for stacking purposes, to project outwardly and downwardly, lower portions of said tabs having a first projecting portion adapted to project downwardly into a liquid receiving container and second sideways projecting portions having lower edges adapted to rest upon upper surfaces of said liquid receiving container, whereby to support said rigid element.

12. The invention as claimed in claim 8, wherein said rigid element includes a cap closing the lower end thereof, said cap having at least one small aperture adapted for the flow of a brewed beverage therethrough from said filter whereby said flow is restricted and the brewing time is increased over that without said cap.

13. The invention as claimed in claim 12, wherein said cap is removable from said lower end, whereby an opening larger than that of said aperture may be provided to shorten the brewing time of the beverage being brewed.

14. The invention as claimed in claim 8, wherein said rigid element has an angle of taper less than that of said filter, whereby lower portions of said rigid element are spaced outwardly from said filter.

15. The invention as claimed in claim 8, wherein said rigid element has substantially the same angle of taper as said filter, said rigid element including means for spacing portions of said rigid element outwardly from portions of said filter.

16. The invention as claimed in claim 8, wherein said filter is attached along an upper edge portion circumferentially around an upper portion of said rigid element.

17. A disposable food package for brewing a liquid food product, comprising a conical holder having an opening at the bottom, supporting fingers attached to the outer surface of the holder and movable into positions for engaging the top rim of a cup or mug for supporting the holder thereon, a conical filter positioned inside the holder, the filter being permanently secured to the holder, a charge of particulate food material positioned within the bottom portion of the filter, a float member resting above the charge of food material and acting as a removable cover for same, and means securing the float member to the inner wall of the filter and permitting same to float upward to the top of the filter but not to be entirely removed from it.