US20130256180A1 - Stackable container with a top chime - Google Patents

Stackable container with a top chime Download PDF

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Publication number
US20130256180A1
US20130256180A1 US13/261,657 US201113261657A US2013256180A1 US 20130256180 A1 US20130256180 A1 US 20130256180A1 US 201113261657 A US201113261657 A US 201113261657A US 2013256180 A1 US2013256180 A1 US 2013256180A1
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United States
Prior art keywords
container
chime
ridges
wall
recessed area
Prior art date
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Abandoned
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US13/261,657
Inventor
Andrew Smith
Sergio Sonzogni
Philip Andrew Walton
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PET Engineering and Services SRL
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Individual
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Filing date
Publication date
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Assigned to PET ENGINEERING & SERVICES SRL reassignment PET ENGINEERING & SERVICES SRL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SMITH, ANDREW, SONZOGNI, SERGIO, WALTON, PHILIP ANDREW
Publication of US20130256180A1 publication Critical patent/US20130256180A1/en
Abandoned legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D21/00Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0224Auxiliary removable stacking elements other than covers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D21/00Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/023Closed containers provided with local cooperating elements in the top and bottom surfaces, e.g. projection and recess
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D21/00Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0215Containers with stacking feet or corner elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/12Cans, casks, barrels, or drums
    • B65D1/14Cans, casks, barrels, or drums characterised by shape
    • B65D1/16Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical

Definitions

  • This invention relates to containers, particularly kegs, which are suitable for holding beverages such as beer or fruit juices or other liquids.
  • Kegs for holding beverages such as beer are traditionally made of metal. After use the keg is cleaned and re-filled so that the keg may be used many times during its lifetime.
  • kegs are used to transport the contents for long distances, sometimes between continents, and transport costs can make it uneconomical to return the kegs for re-use.
  • Kegs are traditionally provided with top and bottom chimes secured to opposite ends of a container body.
  • the top chime provides handles for handling the kegs while the bottom chime provides a stable base upon which the keg may stand.
  • the chimes also provide protection for the container body which is easily dented or damaged, particularly if the container is moved by rolling it on its side.
  • the chimes are generally injection moulded and the container body is formed by blow moulding. Injection moulded chimes are strong and are capable of doing the same job as metal chimes. Furthermore, the top and bottom chimes can be designed to inter-engage with each other such that the kegs can be safely stacked during storage and transportation.
  • manufacture of such chimes requires relatively expensive injection moulding tools and adds a significant amount to the cost.
  • the present invention seeks to provide a new and inventive form of keg or similar container which can be manufactured with reduced cost and energy consumption, which is easy to handle with low risk of damage, and which can stand in a stable condition, either alone or stacked with other similar kegs.
  • the present invention proposes a container which includes a container body and a top chime formed with a peripheral skirt and an integral continuous peripheral handle, the container body having a side wall, a top wall which is received within the chime, and a bottom wall,
  • the bottom wall of the container is formed with ridges extending outwards from a central region, the ridges being shaped to support the container stably on a flat surface and to engage a recessed area of the top chime when one such container is stacked upon another in use.
  • the ridges preferably include at least one foot-like projection which engages within the recessed area.
  • the recessed area may be formed on the outer periphery of the chime or inset from its outer periphery.
  • the deepest parts of the channels formed between the ridges are preferably conjoined to form a domed region of the bottom wall which merges into the side wall. Such a configuration ensures that the bottom wall of the container is able to withstand internal gas pressures with little or no outward distortion.
  • the ridges and projections may be formed by a simple pressing or moulding operation, requiring a minimum amount of additional material.
  • the contents of the container produce internal pressure on the bottom wall which, in its preferred configuration, has a high tendency to resist distortion.
  • FIG. 1 is side view of two stacked kegs in accordance with the invention
  • FIG. 2 is an enlarged sectional detail of the stacked kegs, sectioned axially through the bottom ridges;
  • FIG. 3 is an axial section through the bottom of one of the kegs in between the bottom ridges
  • FIG. 4 is a sectional detail of a second form of keg in accordance with the invention, stacked one upon another.
  • each keg comprises a keg body 1 and a top chime 2 which incorporates a valve assembly (not shown).
  • FIG. 2 shows, in axial section, the bottom portion of the upper keg which is supported on the top portion of the lower keg.
  • the body 1 of each keg is formed in one piece, e.g. by blow moulding, and incorporates a cylindrical side wall 10 , a domed top wall 11 incorporating a central neck 12 , and a bottom wall 13 .
  • the neck 12 receives a valve assembly 4 provided with a draw tube 5 which extends to the bottom of the keg allowing pressurised liquid to be withdrawn from the bottom of the keg.
  • the valve assembly When the valve assembly is not engaged by a suitable fitting it closes under spring pressure in known manner to sealably retain pressurised liquid within the container.
  • the bottom wall 13 is moulded to form six co-planar ridges 14 which radiate outwardly from a central region 16 , thus providing the bottom wall with a petaloid configuration (like the petals of a flower).
  • a petaloid configuration like the petals of a flower.
  • the channels which are formed between the ridges 14 are viewed in axial section as in FIG. 3 , the deepest part of those channels meet at central region 16 such that they are conjoined to form a continuous domed region 15 which merges smoothly into the cylindrical side wall 10 .
  • Such a configuration ensures that the bottom wall of the keg is able to withstand internal gas pressures with little or no outward distortion.
  • the outermost end of each ridge 14 is formed with an integral downward projection 17 , forming six integral feet which are capable of supporting the keg stably on a flat surface.
  • the top chime 3 is formed in one piece by injection moulding and includes a ring-shaped handle 20 joined to a central hub 21 by radial spokes 22 .
  • the handle 20 is also provided with axially-extending channel-shaped members 23 which connect the handle to a peripheral skirt 24 which fits closely over the upper end of the keg body 1 .
  • the handle 20 is formed as a continuous upwardly-open double channel, comprising a bottom wall 25 , two upstanding middle and inner walls 26 and 27 , and a shorter upstanding outer wall 28 forming an external step-like recess between the outer wall 28 and the adjacent inner wall 26 .
  • the top chime 3 may be secured to the keg body via the peripheral skirt 24 and may also be held in place by the valve assembly 4 .
  • the contents of the keg exert an outward pressure upon the petaloid bottom wall 13 which is resisted by the domed region 15 .
  • the internal pressure is also exerted on the integral ridges 14 and foot projections 17 to ensure that the ridges and projections are held rigid and provide stable firm support for the filled keg.
  • the middle and inner walls 26 and 27 of the handle 20 provide firm support for the radial ridges 14 , and the projections 17 locate within the external recess formed by the walls 26 and 28 to radially locate the upper keg relative to the middle wall 26 .
  • FIG. 4 shows an alternative arrangement in which the foot-like projections 30 are formed part-way along the length of the bottom ridges 14 so that they locate with a central recessed area of the top chime 2 which is bounded by the inner wall 27 of the handle 20 .
  • the keg may be slightly less stable when stood on a flat surface the projections produce less stretching of the plastic during blow moulding and may therefore reduce the risk of weakness in the wall of the container body.

Abstract

A container such as a beer keg includes a blow moulded container body and an injection moulded top chime 2. The chime 2 has a continuous peripheral handle 20 which is joined to a central hub 21 by radial spokes 22, with a peripheral skirt 24 which fits over the top portion of the container body. The base of the container body is formed with radial ridges 14 and intervening channels 15 producing a petaloid configuration. The ridges 14 are formed with integral foot-like projections 17 which locate within a recessed area of the chime bounded by the handle 20 to enable the containers to be stacked in a stable manner. The deepest part of the channels formed between the ridges 14 are conjoined to form a domed region 15 wall which merges into the side wall 10. The contents of the container exert internal pressure on the bottom wall which has a low tendency to distortion in use.

Description

    TECHNICAL FIELD OF THE INVENTION
  • This invention relates to containers, particularly kegs, which are suitable for holding beverages such as beer or fruit juices or other liquids.
  • BACKGROUND
  • Kegs for holding beverages such as beer are traditionally made of metal. After use the keg is cleaned and re-filled so that the keg may be used many times during its lifetime. Increasingly though, kegs are used to transport the contents for long distances, sometimes between continents, and transport costs can make it uneconomical to return the kegs for re-use. There is also an environmental cost to be considered in transporting heavy containers for long distances, and in disposing of containers which consume a large amount of energy in their manufacture. It is therefore becoming more common to manufacture containers from lightweight inexpensive materials such as plastics, which are cheaper to manufacture and transport.
  • Kegs are traditionally provided with top and bottom chimes secured to opposite ends of a container body. The top chime provides handles for handling the kegs while the bottom chime provides a stable base upon which the keg may stand. The chimes also provide protection for the container body which is easily dented or damaged, particularly if the container is moved by rolling it on its side.
  • In plastic kegs the chimes are generally injection moulded and the container body is formed by blow moulding. Injection moulded chimes are strong and are capable of doing the same job as metal chimes. Furthermore, the top and bottom chimes can be designed to inter-engage with each other such that the kegs can be safely stacked during storage and transportation. However, manufacture of such chimes requires relatively expensive injection moulding tools and adds a significant amount to the cost.
  • The present invention seeks to provide a new and inventive form of keg or similar container which can be manufactured with reduced cost and energy consumption, which is easy to handle with low risk of damage, and which can stand in a stable condition, either alone or stacked with other similar kegs.
  • SUMMARY OF THE INVENTION
  • The present invention proposes a container which includes a container body and a top chime formed with a peripheral skirt and an integral continuous peripheral handle, the container body having a side wall, a top wall which is received within the chime, and a bottom wall,
  • characterised in that the bottom wall of the container is formed with ridges extending outwards from a central region, the ridges being shaped to support the container stably on a flat surface and to engage a recessed area of the top chime when one such container is stacked upon another in use.
  • In order to provide positive location with the top chime of another such container the ridges preferably include at least one foot-like projection which engages within the recessed area. The recessed area may be formed on the outer periphery of the chime or inset from its outer periphery.
  • The deepest parts of the channels formed between the ridges are preferably conjoined to form a domed region of the bottom wall which merges into the side wall. Such a configuration ensures that the bottom wall of the container is able to withstand internal gas pressures with little or no outward distortion.
  • The ridges and projections may be formed by a simple pressing or moulding operation, requiring a minimum amount of additional material. The contents of the container produce internal pressure on the bottom wall which, in its preferred configuration, has a high tendency to resist distortion.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The following description and the accompanying drawings referred to therein are included by way of non-limiting example in order to illustrate how the invention may be put into practice. In the drawings:
  • FIG. 1 is side view of two stacked kegs in accordance with the invention;
  • FIG. 2 is an enlarged sectional detail of the stacked kegs, sectioned axially through the bottom ridges;
  • FIG. 3 is an axial section through the bottom of one of the kegs in between the bottom ridges; and
  • FIG. 4 is a sectional detail of a second form of keg in accordance with the invention, stacked one upon another.
  • DETAILED DESCRIPTION OF THE DRAWINGS
  • The drawings show two identical containers in the form of kegs for holding a pressurised beverage such as beer, which are stacked on upon the other. The kegs may be formed of plastics or other recyclable materials. As shown in FIG. 1, each keg comprises a keg body 1 and a top chime 2 which incorporates a valve assembly (not shown).
  • FIG. 2 shows, in axial section, the bottom portion of the upper keg which is supported on the top portion of the lower keg. The body 1 of each keg is formed in one piece, e.g. by blow moulding, and incorporates a cylindrical side wall 10, a domed top wall 11 incorporating a central neck 12, and a bottom wall 13. The neck 12 receives a valve assembly 4 provided with a draw tube 5 which extends to the bottom of the keg allowing pressurised liquid to be withdrawn from the bottom of the keg. When the valve assembly is not engaged by a suitable fitting it closes under spring pressure in known manner to sealably retain pressurised liquid within the container. Referring now to FIGS. 2 and 3, the bottom wall 13 is moulded to form six co-planar ridges 14 which radiate outwardly from a central region 16, thus providing the bottom wall with a petaloid configuration (like the petals of a flower). When the channels which are formed between the ridges 14 are viewed in axial section as in FIG. 3, the deepest part of those channels meet at central region 16 such that they are conjoined to form a continuous domed region 15 which merges smoothly into the cylindrical side wall 10. Such a configuration ensures that the bottom wall of the keg is able to withstand internal gas pressures with little or no outward distortion. The outermost end of each ridge 14 is formed with an integral downward projection 17, forming six integral feet which are capable of supporting the keg stably on a flat surface.
  • The top chime 3 is formed in one piece by injection moulding and includes a ring-shaped handle 20 joined to a central hub 21 by radial spokes 22. The handle 20 is also provided with axially-extending channel-shaped members 23 which connect the handle to a peripheral skirt 24 which fits closely over the upper end of the keg body 1. The handle 20 is formed as a continuous upwardly-open double channel, comprising a bottom wall 25, two upstanding middle and inner walls 26 and 27, and a shorter upstanding outer wall 28 forming an external step-like recess between the outer wall 28 and the adjacent inner wall 26. The top chime 3 may be secured to the keg body via the peripheral skirt 24 and may also be held in place by the valve assembly 4.
  • When the keg is filled, the contents of the keg exert an outward pressure upon the petaloid bottom wall 13 which is resisted by the domed region 15. The internal pressure is also exerted on the integral ridges 14 and foot projections 17 to ensure that the ridges and projections are held rigid and provide stable firm support for the filled keg. When one keg is stacked upon another the middle and inner walls 26 and 27 of the handle 20 provide firm support for the radial ridges 14, and the projections 17 locate within the external recess formed by the walls 26 and 28 to radially locate the upper keg relative to the middle wall 26.
  • It will be appreciated that although six ridges and foot projections are preferred since this number provides the greatest strength and stability, a greater or smaller number could be used.
  • The configuration of the base wall shown in FIGS. 1 to 3 provides maximum spacing between the projections 17 and provides the pressurised keg with a high level of stability when stood on a flat surface. FIG. 4 shows an alternative arrangement in which the foot-like projections 30 are formed part-way along the length of the bottom ridges 14 so that they locate with a central recessed area of the top chime 2 which is bounded by the inner wall 27 of the handle 20. Although the keg may be slightly less stable when stood on a flat surface the projections produce less stretching of the plastic during blow moulding and may therefore reduce the risk of weakness in the wall of the container body.
  • Whilst the above description places emphasis on the areas which are believed to be new and addresses specific problems which have been identified, it is intended that the features disclosed herein may be used in any combination which is capable of providing a new and useful advance in the art.

Claims (7)

1. A container which includes a container body (1) and a top chime (2) formed with a peripheral skirt (24) and an integral continuous peripheral handle (20), the container body having a side wall (10), a top wall (11) which is received within the chime, and a bottom wall (13),
characterised in that the bottom wall (13) of the container is formed with ridges (14) extending outwards from a central region (16), the ridges being shaped to support the container stably on a flat surface and to engage a recessed area (26, 28) of the top chime when one such container is stacked upon another in use.
2. A container according to claim 1 in which the ridges (14) include foot-like projections (17; 30) which engage within the recessed area (26, 28; 27).
3. A container according to claim 2 in which the projections (17) locate within a recessed area which is formed on the outer periphery (20) of the chime.
4. A container according to claim 3 in which the recessed area (17) is bounded by the handle (20) of the chime.
5. A container according to claim 2 in which the foot-like projections (30) locate within a recessed area (27) which is inset from the outer periphery of the chime.
6. A container according to claim 5 in which the recessed area (30) is bounded by the handle (20) of the chime.
7. A container according to claim 1 in which channels are formed between the ridges (14), and the channels are conjoined to form an externally domed region (15) of the bottom wall which merges into the side wall (10).
US13/261,657 2010-11-17 2011-10-27 Stackable container with a top chime Abandoned US20130256180A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1019456.1 2010-11-17
GB1019456.1A GB2485555B (en) 2010-11-17 2010-11-17 Stackable container with a top chime
PCT/GB2011/052093 WO2012066303A1 (en) 2010-11-17 2011-10-27 Stackable container with a top chime

Publications (1)

Publication Number Publication Date
US20130256180A1 true US20130256180A1 (en) 2013-10-03

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US13/261,657 Abandoned US20130256180A1 (en) 2010-11-17 2011-10-27 Stackable container with a top chime

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US (1) US20130256180A1 (en)
EP (1) EP2640646B1 (en)
JP (1) JP2013542896A (en)
CN (1) CN103339037B (en)
AU (1) AU2011330976A1 (en)
BR (1) BR112013012070A2 (en)
CA (1) CA2817878A1 (en)
GB (1) GB2485555B (en)
IL (1) IL226304A0 (en)
MX (1) MX2013005307A (en)
RU (1) RU2578118C2 (en)
WO (1) WO2012066303A1 (en)

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USD752979S1 (en) * 2011-11-22 2016-04-05 3M Innovative Properties Company End cap for a container
USD842579S1 (en) 2016-09-23 2019-03-05 Silvia Romana Marabini Barrel
US11447293B2 (en) * 2017-02-28 2022-09-20 Ipet Technologies Ltd. Stackable hollow plastic container

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GB2560028A (en) * 2017-02-28 2018-08-29 Ipet Tech Ltd Stackable hollow plastic container
CN111148697B (en) 2017-09-07 2022-05-27 约哈南·蔡特 Stacking cup-shaped member
GB2584661B (en) 2019-06-10 2024-04-17 Polykeg S R L Flow terminal for a container dip tube

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USD842579S1 (en) 2016-09-23 2019-03-05 Silvia Romana Marabini Barrel
US11447293B2 (en) * 2017-02-28 2022-09-20 Ipet Technologies Ltd. Stackable hollow plastic container

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EP2640646B1 (en) 2016-12-21
JP2013542896A (en) 2013-11-28
GB201019456D0 (en) 2010-12-29
AU2011330976A1 (en) 2013-07-04
RU2013127267A (en) 2014-12-27
GB2485555B (en) 2014-06-04
EP2640646A1 (en) 2013-09-25
GB2485555A (en) 2012-05-23
WO2012066303A1 (en) 2012-05-24
CN103339037B (en) 2015-05-13
RU2578118C2 (en) 2016-03-20
MX2013005307A (en) 2013-09-26
IL226304A0 (en) 2013-07-31
BR112013012070A2 (en) 2016-08-16
CN103339037A (en) 2013-10-02
CA2817878A1 (en) 2012-05-24

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Effective date: 20130423

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