US20140120217A1 - Container With Improved Puncture Design - Google Patents

Container With Improved Puncture Design Download PDF

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Publication number
US20140120217A1
US20140120217A1 US14/034,307 US201314034307A US2014120217A1 US 20140120217 A1 US20140120217 A1 US 20140120217A1 US 201314034307 A US201314034307 A US 201314034307A US 2014120217 A1 US2014120217 A1 US 2014120217A1
Authority
US
United States
Prior art keywords
container
support structure
outer annular
base
beverage
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.)
Abandoned
Application number
US14/034,307
Other languages
English (en)
Inventor
Patrick L. O'Brien
David T. Foster
Rabeh Elleithy
Harold Stephen Bowen
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.)
Printpack Illinois Inc
Original Assignee
Printpack Illinois Inc
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 Printpack Illinois Inc filed Critical Printpack Illinois Inc
Priority to US14/034,307 priority Critical patent/US20140120217A1/en
Priority to EP13789136.2A priority patent/EP2911952A1/en
Priority to PCT/US2013/067110 priority patent/WO2014066901A1/en
Priority to CN201380064227.6A priority patent/CN104837745A/zh
Publication of US20140120217A1 publication Critical patent/US20140120217A1/en
Assigned to WILMINGTON TRUST, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT reassignment WILMINGTON TRUST, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT SECURITY INTEREST (SECOND LIEN) Assignors: PRINTPACK ILLINOIS, INC.
Assigned to JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT reassignment JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT SECURITY INTEREST (FIRST LIEN) Assignors: PRINTPACK ILLINOIS, INC.
Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION SECURITY INTEREST Assignors: PRINTPACK ILLINOIS, INC.
Assigned to PRINTPACK ILLINOIS, INC. reassignment PRINTPACK ILLINOIS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ELLEITHY, RABEH, BOWEN, Harold Stephen, O'BRIEN, PATRICK L.
Priority to HK16102429.9A priority patent/HK1214228A1/zh
Assigned to PRINTPACK ILLINOIS, INC. reassignment PRINTPACK ILLINOIS, INC. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: WELLS FARGO BANK, NATIONAL ASSOCIATION
Assigned to PRINTPACK ILLINOIS, INC. reassignment PRINTPACK ILLINOIS, INC. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Abandoned legal-status Critical Current

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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
    • 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

Definitions

  • the present application relates generally to the field of containers for preparation of beverages, especially coffee and tea.
  • These containers commonly are referred to as cartridges, cups, capsules, or pods, and are particularly suitable for use in the preparation of a single-serve beverage.
  • single-serve beverage machines have become popular in homes and businesses as a quick and convenient manner of brewing beverages.
  • These machines generally brew coffee, tea, or other hot beverages through polymer containers that may have integral filters and are filled with coffee grinds, tea leaves, or other soluble products. Upon brewing of these products, the container may be easily discarded so that the machine is available for preparation of subsequent beverages.
  • These containers thereby enable users to customize their beverages and also enjoy freshly brewed beverages quickly and easily.
  • Embodiments of the present description address the above-described needs by providing a container including a substantially circular and horizontally extending base, a frustoconically shaped wall extending therefrom and defining a cavity therein, and a stacking shoulder which intersects and extends laterally from the wall.
  • the base includes an outer annular peripheral support structure including a plurality of recesses therein.
  • the base optionally may include an inner annular support structure that together with the outer annular peripheral support structure defines a continuous puncture region sized and shaped to permit a puncture therein without interference and without substantial deformation of the container.
  • containers for preparation of a beverage using the above-described container and methods for preparing a beverage using such containers are also provided in embodiments herein.
  • FIG. 1 is a side view of an embodiment of a container according to a first embodiment.
  • FIG. 2 is a bottom view the container illustrated in FIG. 1 .
  • FIG. 3 is a top view of the container illustrated in FIG. 1 .
  • FIG. 4 is a forward lower perspective view of the container illustrated in FIG. 1 .
  • FIG. 5 is a forward lower perspective view of a container according to a second embodiment.
  • FIG. 6A and FIG. 6B are schematic illustrations of a design that may be applied to the inner surface of a cup base according to embodiments.
  • FIG. 7A and FIG. 7B are schematic illustrations defining various parameters of a container according to embodiments.
  • Embodiments of the present application address the above-described needs by providing a container for preparation of a beverage.
  • the term “container” is synonymous with cartridges, cups, capsules, pods, and the like, that may be used in the preparation of a beverage.
  • the container generally comprises a cup-shaped container with a base and a frustoconically shaped sidewall defining an opening.
  • the base includes an outer annular peripheral support structure comprising a plurality of recesses and optionally an inner support structure.
  • a continuous puncture region disposed between the outer annular peripheral support structure and optional inner support structure is configured such to permit the container base to be punctured in the continuous puncture region during the preparation of the beverage.
  • FIGS. 1-4 An exemplary embodiment of a container 10 is further illustrated in FIGS. 1-4 .
  • the container 10 comprises the base 12 and the frustoconically shaped sidewall 14 defining an opening 16 .
  • the sidewall 14 may include a radially outwardly protruding lip 18 surrounding the opening 16 .
  • the radially outwardly protruding lip 18 further comprises a stacking shoulder 19 that intersects and extends laterally from the sidewall 14 .
  • the base 12 includes an outer peripheral support structure 20 , an inner support structure 22 , and a continuous puncture region 24 therebetween.
  • the outer peripheral support structure 20 is an annular shape having a plurality of recesses 26 similar in appearance to an inverted parapet (i.e., castle-like structure of a battlement or crenellation).
  • the inner support structure 22 is an annular shape or a circular shape.
  • the continuous puncture region between the outer peripheral support structure 20 and inner support structure 22 is configured to permit the puncture of the container base at any position in the continuous puncture region 24 during preparation of the beverage.
  • outer peripheral support structure 20 or inner support structure 22 are annular shapes, other shapes also may be used (e.g., elliptical, triangular, square, hexagonal, heptagonal, octagonal, and the like), provided the structure does not interfere with puncturing of the base in the continuous puncture region 24 .
  • the concentric annular shaped support structures are particularly suitable for defining a continuous puncture region that may be punctured at any position, thereby allowing the container to be positioned within the beverage machine without regard for the position of the puncture region.
  • the outer peripheral support structure may comprise more than one annular shape having a plurality of recesses as illustrated in FIG. 5 .
  • the outer peripheral support structure 122 may comprise a first outer annular shape 123 ′ having a plurality of recesses 126 and a second outer annular shape 123 ′′ having a plurality of recesses 126 positioned inside the first outer annular shape 123 ′ and outside the continuous puncture region.
  • the plurality recesses of the 126 of the first outer annular shape 123 ′ and second outer annular shape 123 ′′ may be offset from each other.
  • the first outer peripheral support structure and the second outer peripheral support structure have substantially the same dimensions. Those skilled in the art will appreciate, however, that the dimensions of the first outer peripheral support structure and second outer peripheral support structure may be different (i.e., different widths, recess sizes, number of recesses, and the like).
  • the container further comprises other features to facilitate the punctureability of the base.
  • the container may include a feature in the inner surface of the base of the container.
  • the feature may be effective to weaken the material of the base during its puncture without sacrificing its strength, for example, by providing stress concentrators.
  • FIGS. 6A and 6B Two exemplary embodiments of the feature are illustrated in FIGS. 6A and 6B , which illustrate the designs that may be imprinted in the inner surface of the base of the container. Other designs also may be used.
  • the container may be further characterized by the following mathematical relationship:
  • h is the height of the container from the base 12 to the stacking shoulder 19
  • R 1 is the inner radius of the container at the stacking shoulder 19
  • R is the radius of the base 12 including the outer peripheral support structure 20
  • ⁇ is the approach angle.
  • the container can further be characterized by the dimensions of the base features: r is the radius of the base 12 excluding the outer peripheral support structure 20 , r 1 is the inner radius of the inner support structure 22 comprising an annular shape, r 2 is the outer radius of the inner support structure 22 , w o is the width of the outer peripheral support structure 20 , d is the width of the continuous puncture region 24 of the base 12 , w i is the width of the inner support structure 22 comprising an annular shape, and t is the height of the outer peripheral support structure 20 . Accordingly, in certain embodiments the base 12 is further characterized by the following mathematical relationships:
  • r 1 and r 2 independent from one another, may be from about 0.0 to about 5.0 mm.
  • the inner support structure comprises a circular shape with only a single radius
  • r 2 >r 1 and r 1 and r 2 independent from one another, may be from about 0.01 to about 5.0 mm.
  • r 1 may be 3.8 mm and r 2 may be 1.3 mm such that w i is 2.5 mm.
  • w i , r 1 , and r 2 are 0.0.
  • the outer peripheral support structure 20 can still further be characterized by the feature angle ( ⁇ o ), the recess angle ( ⁇ 1 ), and the number of features (n), which have the following relationships:
  • ⁇ o (360 ⁇ n ) ⁇ 1 0 ⁇ 1 ⁇ o
  • the height of the outer peripheral support structure (t) is from about 0.5 to about 2.0 mm
  • the height of the container (h) from the base to the stacking shoulder is about 39.4 mm
  • the inner radius of the container at the stacking shoulder (R 1 ) is about 43.7 mm.
  • the approach angle is from about 2 degrees to about 10 degrees. Exemplary ranges of the foregoing variables are summarized in the table below.
  • a self-supporting filter element (not illustrated) known to those skilled in the art may be disposed in the container and either removably or permanently joined to an interior surface of the container.
  • the filter may be in the shape of an inverted hollow cone having a curved wall tapering evenly from a rim surrounding an opening. The filter element then may be placed in the container so that the apex of the cone is supported on and slightly flattened by the base of the container, thereby enlarging the volume within the cone and providing beneficial support for the filter element.
  • the container provided herein further comprises a pierceable cover in a hermetically sealed relationship with the lip of the container, closing the opening to form a cartridge.
  • the cover desirably is formed of an impermeable and imperforate material that may be pierced with an instrument, such as a tubular needle, through which hot water is delivered for preparation of the beverage.
  • the cover may comprise a polymer film or a foil heat-sealed to the lip of the container.
  • the containers may be prepared by molding and thermoforming the container from a thermoplastic material.
  • the thermoplastic material is substantially impermeable and imperforate.
  • suitable thermoplastic materials include polyolefins such as polypropylene and polyethylene, polystyrene, nylon, and other polymers.
  • the thermoplastic material be a bio-based resin, readily recycleable, and/or comprise at least a portion of recycled material.
  • the thermoplastic material may comprise a recycled polypropylene base resin.
  • the thermoplastic material may be blended with one or more additives to impart the desired mechanical and thermal properties to the container.
  • the thermoplastic material may be blended with one or more additives to impart the desired stiffness to the container.
  • the additive comprises an immiscible polymer that may function as a stress concentrator by hindering the natural ability of the thermoplastic material to deform plastically and promoting controlled crack propagation.
  • immiscible polymers that may be suitable for use with a thermoplastic material comprising polypropylene include acrylics, styrenics, or their blends and copolymers with polyolefins.
  • one additive comprises a nucleating agent.
  • a second additive comprises a metallic stearate, non-limiting examples of which include calcium stearate, magnesium stearate, zinc stearate, and combinations thereof.
  • Other non-limiting examples of additives include calcium carbonate, talc, clays, and nano grades of these additives.
  • the containers provided herein have a puncture load of less than about 6 kg.
  • the “puncture load” means the force required to puncture the continuous puncture region in the base of the container using a needle. It should be appreciated that the puncture load depends in part on the type of needle used to measure the puncture load of a container. For example, the puncture load measured using a dull needle generally will be greater than the puncture load measured using a sharp needle.
  • the containers may have a puncture load measured using a sharp needle of less than about 3 kg, less than about 2.75 kg, or less than about 2.5 kg.
  • the containers may have a puncture load measured using a sharp needle of about 4.2 to about 3 kg, about 2.99 to about 2.75 kg, or about 2.74 to about 2.5 kg.
  • the containers may have a puncture load measured using a dull needle of less than about 5 kg.
  • the containers may have a puncture load measured using a dull needle of about 4.0 to about 5.0 kg.
  • the container may be configured to receive an insert in which the dry beverage ingredients are disposed.
  • the container may be configured to receive an insert comprising a filter cup in which are disposed the ingredients for preparing a beverage.
  • the container may further comprise a filter cup comprising a brew substance, non-limiting examples of which include coffee grinds, ground tea leaves, chocolate, flavored powders, and the like.
  • the brew substance also may include a combination of dry milk, sugar or sugar substitute, or other flavorings to enhance the quality of the resulting beverage.
  • the containers embodied herein are particularly suited for use in an automatic machine, such as a coffee brewing machine.
  • a piercing member punctures the cover to introduce pressurized hot water through the hole where it comes into contact with the beverage ingredients disposed in the filter.
  • a second piercing member punctures the base of the container at any position in the puncture region to enable the prepared beverage to flow out of the container and be dispensed into a cup or container for consumption by the consumer.
  • 1.9 ounce containers were prepared from mono-layer sheets and compared to a commercially available K-Cup® to evaluate the effect of the different polymer formulations on the punctureability of an exemplary container.
  • Polypropylene base resins included recycled PP, a homopolymer polypropylene (“Homopolymer PP 1”), and a medium impact polystyrene were used either alone or in combination with the additives white pigmented PS, CaCO 3 masterbatch 1 or CaCO 3 masterbatch 2, and PolyOne® proprietary masterbatch.
  • the polymer formulations and results are provided in the following tables.
  • the polystyrene-based K-Cup used as a control had the lowest “vacuum strength” of the containers tested, had a moderate top-load, the lowest side-load, and the lowest puncture load.
  • Neither the neat polypropylene (Cup 4) nor the polypropylene with a 3% loading of CaCO 3 masterbatch 1 (Cup 6) were capable of being punctured.
  • 1.9 ounce containers were prepared from mono-layer sheets using various combinations of polypropylene and additives and compared to a commercially available K-Cup® to evaluate the effect of the polymer materials on the punctureability of an exemplary container.
  • Polypropylene base resins included Homopolymer PP 1, High Stiffness Homopolymer PP 1, High Stiffness Homopolymer 2, High Stiffness Homopolymer PP 3, and Homopolymer PP 2, and were used either alone or in combination with the additives White Pigmented PS Nucleating Agent 1, Nucleating Agent 2, Stearate Masterbatch 1 or Stearate Masterbatch 2.
  • the polymer formulations and results are provided in the following tables.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
US14/034,307 2012-10-26 2013-09-23 Container With Improved Puncture Design Abandoned US20140120217A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US14/034,307 US20140120217A1 (en) 2012-10-26 2013-09-23 Container With Improved Puncture Design
EP13789136.2A EP2911952A1 (en) 2012-10-26 2013-10-28 Container with improved puncture design
PCT/US2013/067110 WO2014066901A1 (en) 2012-10-26 2013-10-28 Container with improved puncture design
CN201380064227.6A CN104837745A (zh) 2012-10-26 2013-10-28 具有改进刺穿设计的容器
HK16102429.9A HK1214228A1 (zh) 2012-10-26 2016-03-02 具有改進刺穿設計的容器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261719136P 2012-10-26 2012-10-26
US14/034,307 US20140120217A1 (en) 2012-10-26 2013-09-23 Container With Improved Puncture Design

Publications (1)

Publication Number Publication Date
US20140120217A1 true US20140120217A1 (en) 2014-05-01

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Application Number Title Priority Date Filing Date
US14/034,307 Abandoned US20140120217A1 (en) 2012-10-26 2013-09-23 Container With Improved Puncture Design

Country Status (5)

Country Link
US (1) US20140120217A1 (zh)
EP (1) EP2911952A1 (zh)
CN (1) CN104837745A (zh)
HK (1) HK1214228A1 (zh)
WO (1) WO2014066901A1 (zh)

Cited By (24)

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USD736615S1 (en) * 2014-12-03 2015-08-18 Printpack Illinois, Inc. Container with spout
US9307860B2 (en) 2014-02-14 2016-04-12 Remington Designs, Llc Processor control of solute extraction system
USD753491S1 (en) * 2014-03-21 2016-04-12 2266170 Ontario Inc. Capsule
USD756785S1 (en) * 2013-07-10 2016-05-24 Sarong Societa' Per Azioni Capsule
USD757537S1 (en) 2014-12-11 2016-05-31 2266170 Ontario Inc. Capsule
USD761108S1 (en) * 2013-08-15 2016-07-12 2266170 Ontario Inc. Capsule
USD769726S1 (en) * 2014-03-21 2016-10-25 2266170 Ontario Inc. Capsule with logo
USD770286S1 (en) * 2014-03-21 2016-11-01 2266170 Ontario Inc. Capsule
USD778157S1 (en) 2015-04-13 2017-02-07 2266170 Ontario Inc. Capsule
USD788577S1 (en) * 2016-06-29 2017-06-06 Swiss Coffee Company Ag Coffee capsule
CN107074438A (zh) * 2014-06-10 2017-08-18 普林特帕克伊利诺伊公司 具有改进的可穿刺性的容器
EP3265404B1 (en) 2015-03-02 2019-01-30 Luigi Lavazza S.p.A. Cartridge for the preparation of liquid products
USD854926S1 (en) 2017-09-15 2019-07-30 Silgan Plastic Food Containers Corporation Plastic container
US10486896B2 (en) 2015-08-11 2019-11-26 Pneutools, Inc. Container for preparation of a beverage and machine for automated filling of the container
US20210137302A1 (en) * 2007-07-13 2021-05-13 Adrian Rivera Brewing Material Container for a Beverage Brewer
US11040824B2 (en) * 2018-04-23 2021-06-22 2266170 Ontario Inc. Capsules and other containers with optimized recycling attributes and methods for making same
US11052358B2 (en) * 2018-08-21 2021-07-06 Vejo Ip Ag Beverage pod
USD927264S1 (en) * 2017-11-16 2021-08-10 Ascendo Medienagentur Ag Capsule
US20220079372A1 (en) * 2017-10-23 2022-03-17 Adrian Rivera Windowed Single-Serving Brewing Material Holder
US11524268B2 (en) 2016-11-09 2022-12-13 Pepsico, Inc. Carbonated beverage makers, methods, and systems
US11548722B2 (en) * 2010-07-22 2023-01-10 K-Fee System Gmbh Portion capsule having an identifier
USD981844S1 (en) 2020-11-25 2023-03-28 Berry Global, Inc. Beverage capsule cup
US11649098B1 (en) 2019-10-02 2023-05-16 Printpack Illinois, Inc. Food storage containers formed at least partially from post-consumer recycled polymeric material
US11805934B1 (en) * 2020-10-21 2023-11-07 Adrian Rivera Brewing material lid and container for a beverage brewer

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DE102014109555B4 (de) * 2014-07-08 2018-10-04 Tchibo Gmbh Portionskapsel aus rußpartikelfreiem Mehrschichtmaterial
KR20170060045A (ko) 2014-10-01 2017-05-31 크래프트 푸즈 그룹 브랜즈 엘엘씨 커피 포드
DE202018106461U1 (de) * 2017-10-27 2018-11-26 Kiefel Packaging B.V. Kapselkörper, Brühkapsel und Behälter, Formwerkzeug und Thermoformwerkzeug

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US11832755B2 (en) * 2007-07-13 2023-12-05 Adrian Rivera Brewing material container for a beverage brewer
US20210137302A1 (en) * 2007-07-13 2021-05-13 Adrian Rivera Brewing Material Container for a Beverage Brewer
US11548722B2 (en) * 2010-07-22 2023-01-10 K-Fee System Gmbh Portion capsule having an identifier
USD756785S1 (en) * 2013-07-10 2016-05-24 Sarong Societa' Per Azioni Capsule
USD761108S1 (en) * 2013-08-15 2016-07-12 2266170 Ontario Inc. Capsule
US10045654B2 (en) 2014-02-14 2018-08-14 Coffee Solutions, Llc Moving inlet nozzles in beverage systems
US9307860B2 (en) 2014-02-14 2016-04-12 Remington Designs, Llc Processor control of solute extraction system
USD769726S1 (en) * 2014-03-21 2016-10-25 2266170 Ontario Inc. Capsule with logo
USD753491S1 (en) * 2014-03-21 2016-04-12 2266170 Ontario Inc. Capsule
USD858279S1 (en) 2014-03-21 2019-09-03 2266170 Ontario Inc. Capsule
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CN104837745A (zh) 2015-08-12
EP2911952A1 (en) 2015-09-02
HK1214228A1 (zh) 2016-07-22
WO2014066901A1 (en) 2014-05-01

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