US20140120217A1 - Container With Improved Puncture Design - Google Patents
Container With Improved Puncture Design Download PDFInfo
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- 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
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- Prior art keywords
- container
- support structure
- outer annular
- base
- beverage
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- 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.
Abstract
Description
- The present application claims priority under 35 U.S.C. §119(e) to U.S. Provisional Application No. 61/719,136 filed on Oct. 26, 2012, the disclosure of which is incorporated herein by reference in its entirety.
- 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.
- In recent years, 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.
- Although convenient, existing containers used for the preparation of beverages have numerous drawbacks. For example, many commercially available containers are prepared using materials that are less easily recycled. This is due at least in part due to the structural characteristics that are required for these containers. For example, the containers must be sufficiently strong to permit puncturing of the base of the container without substantial deformation of the container. Thus, there exists a need for a structure that permits use of more easily recycled materials while still having sufficient structural integrity.
- 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.
- Also provided in embodiments herein are containers for preparation of a beverage using the above-described container and methods for preparing a beverage using such containers.
-
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 inFIG. 1 . -
FIG. 3 is a top view of the container illustrated inFIG. 1 . -
FIG. 4 is a forward lower perspective view of the container illustrated inFIG. 1 . -
FIG. 5 is a forward lower perspective view of a container according to a second embodiment. -
FIG. 6A andFIG. 6B are schematic illustrations of a design that may be applied to the inner surface of a cup base according to embodiments. -
FIG. 7A andFIG. 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. As used herein, 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. In an embodiment, 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.
- An exemplary embodiment of a
container 10 is further illustrated inFIGS. 1-4 . Thecontainer 10 comprises thebase 12 and the frustoconically shapedsidewall 14 defining anopening 16. Thesidewall 14 may include a radially outwardly protrudinglip 18 surrounding theopening 16. In one aspect, the radially outwardly protrudinglip 18 further comprises a stackingshoulder 19 that intersects and extends laterally from thesidewall 14. - The
base 12 includes an outerperipheral support structure 20, aninner support structure 22, and acontinuous puncture region 24 therebetween. In embodiments, the outerperipheral support structure 20 is an annular shape having a plurality ofrecesses 26 similar in appearance to an inverted parapet (i.e., castle-like structure of a battlement or crenellation). In embodiments, theinner support structure 22 is an annular shape or a circular shape. - The continuous puncture region between the outer
peripheral support structure 20 andinner support structure 22 is configured to permit the puncture of the container base at any position in thecontinuous puncture region 24 during preparation of the beverage. Although the presently described embodiment of outerperipheral support structure 20 orinner 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 thecontinuous puncture region 24. Those skilled in the art will appreciate, however, that 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. - In embodiments, the outer peripheral support structure may comprise more than one annular shape having a plurality of recesses as illustrated in
FIG. 5 . For example, the outer peripheral support structure 122 may comprise a first outerannular shape 123′ having a plurality ofrecesses 126 and a second outerannular shape 123″ having a plurality ofrecesses 126 positioned inside the first outerannular shape 123′ and outside the continuous puncture region. The plurality recesses of the 126 of the first outerannular shape 123′ and second outerannular shape 123″ may be offset from each other. In embodiments, 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). - In embodiments, the container further comprises other features to facilitate the punctureability of the base. For example, in an embodiment 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. 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. - In an embodiment, the container may be further characterized by the following mathematical relationship:
-
h=(R 1 −R)·tan (90−Φ) - wherein h is the height of the container from the base 12 to the stacking
shoulder 19, R1 is the inner radius of the container at the stackingshoulder 19, R is the radius of the base 12 including the outerperipheral support structure 20, and Φ 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, r1 is the inner radius of theinner support structure 22 comprising an annular shape, r2 is the outer radius of theinner support structure 22, wo is the width of the outerperipheral support structure 20, d is the width of thecontinuous puncture region 24 of thebase 12, wi is the width of theinner support structure 22 comprising an annular shape, and t is the height of the outerperipheral support structure 20. Accordingly, in certain embodiments thebase 12 is further characterized by the following mathematical relationships: -
w o =R−r -
w i =r 2 −r 1 -
d=½·t=r−r 2 - In embodiments, r1 and r2, independent from one another, may be from about 0.0 to about 5.0 mm. For example, in embodiments in which the inner support structure comprises a circular shape with only a single radius, r1 is zero and wi=r2, which may be from about 0.01 to about 5.0 mm. In embodiments in which the inner support structure comprises an annular ring, r2>r1 and r1 and r2, independent from one another, may be from about 0.01 to about 5.0 mm. For example, r1 may be 3.8 mm and r2 may be 1.3 mm such that wi is 2.5 mm. In embodiments in which there is no inner support structure, wi, r1, and r2 are 0.0.
- The outer
peripheral support structure 20 can still further be characterized by the feature angle (θo), the recess angle (θ1), and the number of features (n), which have the following relationships: -
θo=(360÷n)−θ1 0<θ1<θo - In embodiments, 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, and the inner radius of the container at the stacking shoulder (R1) is about 43.7 mm. In an embodiment, the approach angle is from about 2 degrees to about 10 degrees. Exemplary ranges of the foregoing variables are summarized in the table below.
-
Dimension Exemplary Ranges height of the container h 20.0 mm-100.0 mm inner radius of the R1 11.0 mm-55.0 mm container at the stacking shoulder radius of the base R 10.0 mm-50.0 mm approach angle Φ 2 degrees-10 degrees inner radius of the outer r 9.0 mm-49.0 mm peripheral support structure outer radius of the inner r2 0.0 mm-40.0 mm support structure inner radius of the inner r1 0.0 mm-39.0 mm support structure height of the outer t 0.5 mm-2.5 mm peripheral support structure number of recesses n 1-50 - In embodiments, 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. For example, 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.
- In embodiments, 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. For example, in embodiments the cover may comprise a polymer film or a foil heat-sealed to the lip of the container.
- In embodiments, the containers may be prepared by molding and thermoforming the container from a thermoplastic material. Desirably, the thermoplastic material is substantially impermeable and imperforate. Non-limiting examples of suitable thermoplastic materials include polyolefins such as polypropylene and polyethylene, polystyrene, nylon, and other polymers. In particular embodiments, it is particularly desirable that the thermoplastic material be a bio-based resin, readily recycleable, and/or comprise at least a portion of recycled material. For example, in an embodiment the thermoplastic material may comprise a recycled polypropylene base resin.
- In embodiments, the thermoplastic material may be blended with one or more additives to impart the desired mechanical and thermal properties to the container. For example, in embodiments the thermoplastic material may be blended with one or more additives to impart the desired stiffness to the container. In an embodiment, 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. Non-limiting examples of immiscible polymers that may be suitable for use with a thermoplastic material comprising polypropylene include acrylics, styrenics, or their blends and copolymers with polyolefins. In an embodiment, one additive comprises a nucleating agent. In an embodiment, 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.
- Desirably, the containers provided herein have a puncture load of less than about 6 kg. As used herein, 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. For example, in embodiments 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. In embodiments, 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. In embodiments, the containers may have a puncture load measured using a dull needle of less than about 5 kg. For example, the containers may have a puncture load measured using a dull needle of about 4.0 to about 5.0 kg.
- In embodiments, the container may be configured to receive an insert in which the dry beverage ingredients are disposed. For example, the container may be configured to receive an insert comprising a filter cup in which are disposed the ingredients for preparing a beverage. For example, 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. Upon placing the container in the 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.
- The foregoing embodiments can be further understood and illustrated by the following non-limiting examples.
- 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, CaCO3 masterbatch 1 or CaCO3 masterbatch 2, and PolyOne® proprietary masterbatch. The polymer formulations and results are provided in the following tables.
-
Additives Cup Base Resin (w/w) K-Cup ® Polystyrene 1 Recycled PP N/A 2 Recycled PP White Pigmented PS (5%) 3 Recycled PP PolyOne ® ABPE 007 (3%) 4 Homopolymer PP 1 N/A 5 Homopolymer PP 1 White pigmented PS (5%) 6 Homopolymer PP 1 CaCO3 masterbatch 1 (3%) 7 Homopolymer PP 1 CaCO3 masterbatch 2 (3%) 8 Medium impact N/A Polystyrene -
Top Top Load Top Mid Bottom Direct Puncture Vacuum Load Flanges Flange Wall Wall Wall Heel Bottom Load Cup (in Hg) (lbs) (lbs) (10−2) (10−2) (10−2) (10−2) (10−2) (10−2) (lbs) K- 4.58 49.49 4.40 3.660 1.325 0.853 1.665 1.005 2.225 5.74 Cup ® 1 7.52 67.15 9.356 4.180 1.165 1.068 1.395 2.760 4.390 11.01 2 4.58 49.49 4.40 3.660 1.325 0.853 1.165 1.005 2.225 10.91 3 6.05 58.32 6.88 3.920 1.470 0.960 1.280 1.883 3.308 10.44 4 5.95 47.16 8.36 3.915 1.290 2.347 1.095 1.785 4.610 N/A 5 6.71 63.79 8.64 3.925 1.355 1.013 1.300 2.575 4.745 12.78 6 5.33 37.33 9.39 4.060 1.290 0.984 1.250 2.045 4.655 N/A 7 5.03 40.23 10.22 5.205 1.375 0.973 1.085 1.995 4.485 11.42 8 18.0 196.80 7.7 3.500 1.875 1.672 1.550 1.010 1.260 4.34 - 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 CaCO3 masterbatch 1 (Cup 6) were capable of being punctured. However, it was observed that the use of the recycled PP seemed to promote the punctureability of the container as did the additives CaCO3 masterbatch 2 and White pigmented PS.
- 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.
-
Additives Cup Base Resin (w/w) K-Cup ® Polystyrene 1 Homopolymer PP 1 White Pigmented PS 2 High stiffness Homopolymer PP 1 (15%) 3 High stiffness Homopolymer PP 2 4 High stiffness Homopolymer PP 3 5 Homopolymer PP 2 6 Homopolymer PP 1 Nucleating Agent 1 7 High stiffness Homopolymer PP 2 (3%) 8 Homopolymer PP 1 Nucleating Agent 2 (3%) 9 Homopolymer PP 1 Stearate Masterbatch 1 10 High stiffness Homopolymer PP 2 (4%) 11 High stiffness Homopolymer PP 2 Stearate Masterbatch 2 (2%) -
Puncture Top Load Load Top Load Punctured Opaque/ Cup (kg) (kg) Flanges (kg) (Yes/No) Translucent K-Cup ® 2.83 21.4 8.5 Yes Translucent 1 2.4 14.1 6.26 Yes Opaque 2 2.5 15.3 9.3 Yes Opaque 3 3.00 20.7 8.7 Yes Opaque 4 3.1 20.1 9.0 Yes Opaque 5 2.6 12.9 6.5 Yes (partly) Opaque 6 2.7 9.61 7.1 Yes Translucent 7 2.73 20.1 8.1 Yes Translucent 8 4.2 10.57 7.3 Yes Translucent 9 4.19 16.05 8.3 Yes Translucent 10 2.91 17.7 8.8 Yes Translucent 11 2.70 22.4 9.3 Yes Translucent - It should be apparent that the foregoing relates only to certain embodiments of the present application and the resultant patent. Numerous changes and modifications may be made herein by one of ordinary skill in the art without departing from the general spirit and scope of the invention as defined by the following claims and the equivalents thereof.
Claims (20)
h=(R 1 −R)·tan (90−Φ).
w o =R−r
w i =r 2 −r 1
d=½·t=r−r 2
θo=(360÷n)−θ10<θ1<θo
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 |
CN201380064227.6A CN104837745A (en) | 2012-10-26 | 2013-10-28 | 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 |
HK16102429.9A HK1214228A1 (en) | 2012-10-26 | 2016-03-02 | Container with improved puncture design |
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 |
Family
ID=49553878
Family Applications (1)
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 (en) |
EP (1) | EP2911952A1 (en) |
CN (1) | CN104837745A (en) |
HK (1) | HK1214228A1 (en) |
WO (1) | WO2014066901A1 (en) |
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US9307860B2 (en) | 2014-02-14 | 2016-04-12 | Remington Designs, Llc | Processor control of solute extraction system |
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 |
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USD778157S1 (en) | 2015-04-13 | 2017-02-07 | 2266170 Ontario Inc. | Capsule |
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US11548722B2 (en) * | 2010-07-22 | 2023-01-10 | K-Fee System Gmbh | Portion capsule having an identifier |
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US9307860B2 (en) | 2014-02-14 | 2016-04-12 | Remington Designs, Llc | Processor control of solute extraction system |
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USD770286S1 (en) * | 2014-03-21 | 2016-11-01 | 2266170 Ontario Inc. | Capsule |
USD753491S1 (en) * | 2014-03-21 | 2016-04-12 | 2266170 Ontario Inc. | Capsule |
US10336498B2 (en) | 2014-06-10 | 2019-07-02 | Printpack Illinois, Inc. | Container with improved punctureability |
CN107074438A (en) * | 2014-06-10 | 2017-08-18 | 普林特帕克伊利诺伊公司 | With it is improved can puncture container |
USD736615S1 (en) * | 2014-12-03 | 2015-08-18 | Printpack Illinois, Inc. | Container with spout |
USD757537S1 (en) | 2014-12-11 | 2016-05-31 | 2266170 Ontario Inc. | Capsule |
USD776525S1 (en) | 2014-12-11 | 2017-01-17 | 2266170 Ontario Inc. | Capsule |
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USD826054S1 (en) | 2015-04-13 | 2018-08-21 | 2266170 Ontario Inc. | Capsule |
USD778157S1 (en) | 2015-04-13 | 2017-02-07 | 2266170 Ontario Inc. | Capsule |
US11220397B2 (en) | 2015-08-11 | 2022-01-11 | Pneutools, Inc. | Container for preparation of a beverage and machine for automated filling of the 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 |
USD788577S1 (en) * | 2016-06-29 | 2017-06-06 | Swiss Coffee Company Ag | Coffee capsule |
US11524268B2 (en) | 2016-11-09 | 2022-12-13 | Pepsico, Inc. | Carbonated beverage makers, methods, and systems |
USD854926S1 (en) | 2017-09-15 | 2019-07-30 | Silgan Plastic Food Containers Corporation | Plastic container |
US20220079372A1 (en) * | 2017-10-23 | 2022-03-17 | Adrian Rivera | Windowed Single-Serving Brewing Material Holder |
USD927264S1 (en) * | 2017-11-16 | 2021-08-10 | Ascendo Medienagentur Ag | Capsule |
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 |
US11649098B1 (en) | 2019-10-02 | 2023-05-16 | Printpack Illinois, Inc. | Food storage containers formed at least partially from post-consumer recycled polymeric material |
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Also Published As
Publication number | Publication date |
---|---|
EP2911952A1 (en) | 2015-09-02 |
CN104837745A (en) | 2015-08-12 |
WO2014066901A1 (en) | 2014-05-01 |
HK1214228A1 (en) | 2016-07-22 |
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