CA2421128A1 - Beverage cartridge and filter assembly - Google Patents

Beverage cartridge and filter assembly Download PDF

Info

Publication number
CA2421128A1
CA2421128A1 CA002421128A CA2421128A CA2421128A1 CA 2421128 A1 CA2421128 A1 CA 2421128A1 CA 002421128 A CA002421128 A CA 002421128A CA 2421128 A CA2421128 A CA 2421128A CA 2421128 A1 CA2421128 A1 CA 2421128A1
Authority
CA
Canada
Prior art keywords
filter element
container
filter
beverage
brewing chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002421128A
Other languages
French (fr)
Other versions
CA2421128C (en
Inventor
Robert Hale
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
1693778 Ontario Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2421128A1 publication Critical patent/CA2421128A1/en
Application granted granted Critical
Publication of CA2421128C publication Critical patent/CA2421128C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8061—Filters

Abstract

A beverage cartridge comprises a container having a sidewall extending from a first surface and a lip provided at an open end of the container. A cover is coupled to the lip of the container to cover the open end and seal the container. A sloped step is formed in the sidewall and a laminated filter structure is coupled to the sloped step. The laminated filter structure subdivides the container to form a brewing chamber and a beverage receiving chamber. The laminated filter structure includes first and second filter elements, both having edge portions. The first filter element is comprised of cellulose fibres and the second filter element is comprised of strands of extruded polypropylene fibres joined together to inhibit separation of the strands. A seal is provided between the edge portions of the first and the second filter elements. The second filter element has a higher wet strength than the first filter element and the second filter element is located downstream of the first filter element. The elasticity of the second filter element permits expansion of the second filter element under pressure while providing support for the first filter element. A beverage powder is contained in the brewing chamber. The container is pierceable to allow injection of liquid into the brewing chamber and to allow prepared beverage to be extracted from the container.
CA002421128A 2002-03-14 2003-03-05 Beverage cartridge and filter assembly Expired - Lifetime CA2421128C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US36394002P 2002-03-14 2002-03-14
US60/363,940 2002-03-14
US42431202P 2002-11-07 2002-11-07
US60/424,312 2002-11-07

Publications (2)

Publication Number Publication Date
CA2421128A1 true CA2421128A1 (en) 2003-09-14
CA2421128C CA2421128C (en) 2008-05-20

Family

ID=28457090

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002421128A Expired - Lifetime CA2421128C (en) 2002-03-14 2003-03-05 Beverage cartridge and filter assembly

Country Status (2)

Country Link
US (1) US6810788B2 (en)
CA (1) CA2421128C (en)

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US10450131B2 (en) 2014-10-01 2019-10-22 Kraft Foods Group Brands Llc Coffee pod

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US20030222089A1 (en) 2003-12-04
US6810788B2 (en) 2004-11-02

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