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WO2000078665A1 - Beer container - Google Patents

Beer container

Info

Publication number
WO2000078665A1
WO2000078665A1 PCT/AU2000/000687 AU0000687W WO2000078665A1 WO 2000078665 A1 WO2000078665 A1 WO 2000078665A1 AU 0000687 W AU0000687 W AU 0000687W WO 2000078665 A1 WO2000078665 A1 WO 2000078665A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
shell
inner
outer
beer
part
Prior art date
Application number
PCT/AU2000/000687
Other languages
French (fr)
Inventor
Warwick William Field
Original Assignee
Carlton And United Breweries Limited
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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/0829Keg connection means
    • B67D1/0831Keg connection means combined with valves
    • B67D1/0832Keg connection means combined with valves with two valves disposed concentrically
    • 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
    • B65D11/00Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/02Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of curved cross-section
    • B65D11/06Drums or barrels
    • 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
    • B65D11/00Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/02Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of curved cross-section
    • B65D11/06Drums or barrels
    • B65D11/08Arrangements of filling or discharging apertures

Abstract

A beer container comprises an inner hollow shell (11) of blow moulded PET to hold beer, an outer hollow shell (12) of moulded high density polyethylene enclosing and supporting the inner shell and a spear structure (13) including a dispenser tube (14) extending from a bottom interior region of the inner shell (11) through to a dispensing outlet (16) at the top of the outer shell (12). Spear structure (13) incorporates valves (25, 26) for supply of pressurising gas into the interior of inner shell (11) and for dispensing beer through the dispensing outlet (16), both valves being formed of PET. When the container has been emptied of beer, the outer shell (12) can readily be separated from the inner shell (11) and spear structure (13) to allow separate recycling of the high density polyethylene material and the PET material.

Description

BEER CONTAINER

TECHNICAL FIELD

This invention relates to beer containers and particularly to containers for rapidly dispensing beer in commercial establishments or at sporting and social events .

Beer is presently supplied to commercial establishments or for special events in stainless steel kegs. These are of sturdy welded stainless steel construction and are fitted with a dispensing spear structure comprising a long stainless steel dispenser tube through which to dispense beer from the bottom of the keg and a pressurising valve through which to supply pressurising C02 gas into the keg so as to pressurise the contents and force the beer out through the dispensing tube when a dispensing valve is operated.

Stainless steel beer kegs are very expensive to produce and they are designed to be returned to the brewery for cleaning and refilling. They will typically be the property of the brewery which may accordingly need to have large sums of capital committed to maintaining appropriate stocks of kegs. Large sums can be lost if kegs are not returned. This problem could be largely overcome if it were possible to supply beer in bulk in low cost disposable dispensing containers, but no satisfactory containers for this purpose have hitherto been available.

Plastics technology has been applied to the manufacture of disposable beverage containers in small sizes, such as soft drink and beer bottles. These have generally been blow moulded in PET (polyethylene terephthalate) , but it has not been possible to apply this technology to the production of larger size dispensing containers because of the barrier properties of PET in large size containers and the problem of producing a construction which allows effective recycling of all of the materials required for the dispensing components of a workable container. The present invention overcomes these problems by providing a multi-component container in which all components may be fully recyclable.

DISCLOSURE OF THE INVENTION According to the invention, there is provided a beer container comprising: an inner hollow shell of blow moulded PET to hold beer; an outer hollow shell of moulded high density polyethylene enclosing and supporting the inner shell; and a spear structure including a dispenser tube extending from a bottom interior region of the inner shell through to a dispensing outlet at the top of the outer shell.

Preferably, the spear structure is fixed to the inner shell and is constructed of PET.

The spear structure may incorporate a valve for supply of pressurising C02 gas into the interior of the inner shell and a beer dispenser valve at the dispensing outlet, both valves being moulded in PET.

Preferably, the outer shell is formed in separable pieces which can be separated from the inner shell for recycling of the high density polyethylene of the outer shell separately from the PET material of the inner shell and the spear.

The outer shell may, for example, be comprised of a generally open topped tub-shaped body fitted with a releasable lid. The lid may be a snap fit on the tub shaped body.

Preferably, the inner shell is a sliding fit within the tub shaped main body of the outer shell, whereby it can be slid from the outer shell main body when the lid is removed. The peripheral wall of the outer shell may be formed with a series of circumferentially spaced, inwardly projecting ribs to engage the inner shell at circumferentially spaced locations to provide the sliding fit of the inner shell within the outer shell.

Alternatively, the outer shell may have a plain cylindrical peripheral surface within which the outer shell is a neat sliding fit.

BREIF DESCRIPTION OF THE DRAWINGS

In order that the invention may be more fully explained, one particular embodiment will be described with reference to the accompanying drawings, in which:

Figure 1 is a perspective view of a beer keg constructed in accordance with the invention;

Figure 2 is a vertical cross section through the beer keg of Figure 1; and Figure 3 is an enlarged detail of an upper part of a spear structure installed in the keg.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

The illustrated beer keg comprises an inner hollow shell 11, an outer hollow shell 12 enclosing and supporting the inner shell, and a spear structure denoted generally as 13. Spear structure 13 comprises a dispenser tube 14 extending from an inlet opening 15 near the bottom of the inner shell 11 to a dispensing outlet 16 located at the top of the outer shell 12.

Inner shell 11 serves as a receptacle to be filled with beer. It has a generally cylindrical mid-part 11A, an upwardly domed upper-part 11B, and a downwardly domed lower part 11C which form a hollow container approximating a prolate spheroid. The inner shell also has a cylindrical neck part 11D standing up from the domed upper part 11B and surrounding an upper-part of the spear structure 13.

Inner shell 11 is blow moulded from PET. In cases where short shelf life is not a problem, it may be moulded in a single layer of PET. In order to improve shelf life by limiting ingress of oxygen and egress of C02, the shell 11 may be blow moulded with a multi layer or laminated construction as is known in the production of PET bottles, or alternatively, it may be lined internally with an inert coating to serve as a barrier to permeation by oxygen and C02 or a barrier coating may be sprayed on and may be such that it can be washed to allow recycling of the PET material of the inner shell. Suitable barrier coatings for this purpose are disclosed in International Patent Application PCT/US95/01545 of PPG Industries Inc. Spear structure 13 is formed of moulded PET components and it is fixed into the upper end of the inner shell 11 by heat swaging the neck part 11D of the inner shell onto upper part of the spear structure so that the inner shell 11 and spear structure 13 form a unitary structure consisting essentially of PET, but optionally with a barrier coating which can be washed off before recycling of the PET material.

Outer shell 12 is formed of two components, both moulded of high density polyethylene, namely an open topped tub shaped main body part 17 and an upper lid part 18 which is a press fit into the main body part. The peripheral wall of the main body part 17 is formed with two circumferential outstanding ribs 19 which aid in handling of the container with mechanical handling equipment. Indeed the outer shell or container may have the same external dimensions and features as conventional stainless steel kegs to enable the container to be generally handled and filled with the same equipment as the standard stainless steel kegs. Inner shell 11 serves as a hollow beer container which is fitted within a hollow enclosure 21 formed by the tub shaped main body part 17 and lid part 18 of the outer shell 12. The cylindrical mid-part 11A of the inner shell is a sliding fit within the tub shaped main body part 17 of the outer shell. The lower end of the outer shell is shaped to form an upwardly dished floor 22 for the enclosure 21, with a curvature to match the domed lower part 11C of the inner shell thereby to provide secure and effective bottom support for the inner shell. The lower end of the outer shell is also shaped to form a peripheral base rim 20 disposed about the floor 22 and extending below the floor to flat base surfaces 20A to provide a stable base on which the keg can be stood upright .

Upper lid part 18 is upwardly dished to receive the domed upper part 11B of the inner shell, thereby to provide firm location of the upper part of that shell. Lid part 18 has a central opening 23 through which the tubular nick 11D of the inner shell and the upper part of open structure 13 project for a short distance. Lid part 18 also has an outer peripheral flange 24 which is a press fit within the main body part 17 of the outer shell at a location below its upper end, the upper end of part 17 thus forming an upstanding peripheral skirt 24 of the outer shell 12 which extends around and protects the projecting upper part of the spear structure 13.

The upper part of spear structure 13 includes a moulded PET valve body 25 which is fitted to the upper end of dispensing tube 14 and has a central tubular spigot 26 defining the dispensing opening 16. Valve body 25 has an outer tubular barrel part 27 surrounding the spigot 26 and incorporating at its upper end an annular coupler 28 to couple the spear structure to a beer dispensing system as described below. The spear structure 13 is fixed to the inner shell 11 by heat swaging the tubular neck 11B of the shell about the upper part of the outer barrel part 27 of the spear valve body 15, an O-ring 29 being clinched between the valve body and the neck 11B to form a gas tight seal to prevent escape of gas from the inner shell when it is pressurised.

A series of circumferentially spaced annular passages 31 are formed in valve body 25 between the central spigot 26 and outer barrel part 27 and the lower ends of these passages are closed by an annular sealing ring 32 snap fitted into a circumferential recess in the lower part of valve body 25 to serve as a one way valve for flow of C02 gas downwardly into the inner shell through the passages 31. A spool valve 33 fitted with an O-ring seal 34 is located within the central spigot 26 of valve body 25 to close the dispensing opening 16 unless depressed downwardly against the internal gas pressure.

Pressuring C02 is applied to the interior of the inner shell 11 through the valve passages 31 and outer valve 32 which acts as a one-way valve to hold the pressure within the container, the spool valve acting under the internal pressure to close off the dispensing opening 16. To dispense beer from the pressurised container a conventional dispenser is coupled to the upper end of the spear structure by means of the coupler 28, the dispenser incorporating a mechanically operable plunger to depress the inner valve spool 33 to allow beer to flow through the dispensing opening 16 into the dispenser.

When inner shell 11 is charged with beer and is pressurised, it is expanded firmly against the outer shell 17 so as to be firmly located and supported. When the container has been emptied of beer, the lid 18 of outer shell 12 can be readily removed to allow the inner shell 11 (and with it the spear structure 13) to be removed from the main body part 17 of the outer shell. The unpressurised inner shell 11 is a sliding fit within the outer shell and it is readily removable. The two parts of the outer shell can be directed to a recycling plant for recycling of high density polyethylene material. The inner shell 11 and spear structure 13 can be directed to a plant for recycling PET material, such plant including a wash to wash out any gas barrier coating applied to the inner shell.

The illustrated beer keg construction can be produced quite economically as a fully disposable, low cost container. Moreover, it is fully recyclable since it can be readily separated into PET and high density polyethylene components which can be fed to existing recycling facilities for those particular materials. However, the illustrated keg has been advanced by way of example only and the invention is not limited to the details of that construction. Containers according to the invention may be produced in a variety of sizes and the constructional details may vary according to the particular size of the container. For some sizes, for example, the main body part of the outer shell may be formed with circumferentially spaced reinforcing ribs projecting inwardly of the shell and providing circumferentially spaced supports for the inner shell rather than continuous support about the periphery of the inner shell. The spear construction could also be varied considerably for differing size containers. It is accordingly to be understood that the invention is no way limited to the constructional details of the illustrated beer keg and that many modifications and variations will fall within the scope of the appended claims .

Claims

CLAIMS :
1. A beer container comprising: an inner hollow shell of blow moulded PET to hold beer; an outer hollow shell of moulded high density polyethylene enclosing and supporting the inner shell; and a spear structure including a dispenser tube extending from a bottom interior region of the inner shell through to a dispensing outlet at the top of the outer shell.
2. A beer container as claimed in claim 1, wherein the spear structure is constructed of PET.
3. A beer container as claimed in claim 2, wherein the spear structure incorporates a valve for supply of pressurising C02 gas into the interior of the inner shell and a beer dispenser valve at the dispensing outlet, both valves being formed of PET.
4. A beer container as claimed in claim 2 or claim 3, wherein the spear structure is fixed to the inner shell.
5. A beer container as claimed in any one of claims 2 to 4, wherein the outer shell is formed in separable pieces which can be separated from the inner shell for recycling of the high density polyethylene of the outer shell separately from the PET material of the inner shell and the spear.
6. A beer container as claimed in claim 5, wherein the outer shell is comprised of a generally open topped tub-shaped body fitted with a releasable lid.
7. A beer container as claimed in claim 6, wherein the lid is a press fit on the tub shaped body.
8. A beer container as claimed in claim 6 or claim 7, wherein the inner shell is a sliding fit within the tub shaped main body of the outer shell, whereby it can be slid from the outer shell main body when the lid is removed.
9. A beer container as claimed in claim 8, wherein the outer shell has a cylindrical peripheral surface with which the outer shell is a neat sliding fit.
10. A beer container as claimed in any one of the preceding claims, wherein the inner shell has an upwardly projecting tubular neck which surrounds an upper part of the spear structure.
11. A beer container as claimed in claim 10, wherein the neck of the inner shell projects through opening in the outer shell.
12. A beer container as claimed in any one of the preceding claims, wherein the outer shell has an upstanding peripheral skirt projecting upwardly about the upper part of the spear structure.
13. A beer container as claimed in any one of the preceding claims, wherein the lower part of the outer shell forms an upwardly dished floor support for the inner shell.
14. A beer container as claimed in claim 13, wherein the lower part of the inner shell is downwardly domed to match the dished floor support.
15. A beer container as claimed in claim 13 or claim 14, wherein the lower part of the outer shell also forms a peripheral base rim disposed about the dished floor support and extending below that floor support to provide a base on which the container can be stood upright .
PCT/AU2000/000687 1999-06-18 2000-06-19 Beer container WO2000078665A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AUPQ105099 1999-06-18
AUPQ1050 1999-06-18

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA 2375227 CA2375227C (en) 1999-06-18 2000-06-19 Beer container
US10018397 US6666358B1 (en) 1999-06-18 2000-06-19 Beer container
EP20000936554 EP1210288A4 (en) 1999-06-18 2000-06-19 Beer container

Publications (1)

Publication Number Publication Date
WO2000078665A1 true true WO2000078665A1 (en) 2000-12-28

Family

ID=3815241

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2000/000687 WO2000078665A1 (en) 1999-06-18 2000-06-19 Beer container

Country Status (4)

Country Link
US (1) US6666358B1 (en)
EP (1) EP1210288A4 (en)
CA (1) CA2375227C (en)
WO (1) WO2000078665A1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003008293A1 (en) * 2001-07-16 2003-01-30 Cobarr S.P.A. Flexible bottles of polyester resin
EP1495854A1 (en) * 2003-07-11 2005-01-12 L'oreal A receptacle and a method of manufacturing it
EP1888450A1 (en) * 2005-04-19 2008-02-20 Ecokeg Pty Ltd Liquid storage and dispensing apparatus
EP2036854A2 (en) 2005-11-29 2009-03-18 Rexam Petainer Lidköping Ab Closure for a container for beverage
GB2461269A (en) * 2008-06-24 2009-12-30 Andrew Wadhams A pressurized portable water carrier
WO2010028707A1 (en) * 2008-09-13 2010-03-18 SCHäFER WERKE GMBH Method for producing a container for receiving a liquid, particularly a liquid beverage, and container for liquids
EP2258629A1 (en) 2009-06-05 2010-12-08 Eurokeg B.V. Container for a pressurized beverage, in particular beer, and method of filling a container with a pressurized beverage
WO2011134949A1 (en) 2010-04-27 2011-11-03 Eurokeg B.V. Container for liquids
CN103144862A (en) * 2013-03-19 2013-06-12 刘爱华 Small retailed beer preservation barrel
US8622098B2 (en) 2006-06-28 2014-01-07 Eurokeg B.V. Container for fluids, insert and method of filling a container
EP2842880A1 (en) 2013-08-28 2015-03-04 Eurokeg B.V. Container for liquids
DE102014100442A1 (en) * 2014-01-16 2015-07-16 Bodo Richter Combination of two barrel plastic barrels
GB2532223A (en) * 2014-11-11 2016-05-18 Petainer Large Container Ip Ltd Keg protection assembly

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US7051892B1 (en) * 2003-10-28 2006-05-30 O'day Jr William R Water bottle for a dispenser
US20050167454A1 (en) * 2004-02-04 2005-08-04 Mauricio Botero Apparatus and method for dispensing content from a container
US7370776B2 (en) * 2004-07-16 2008-05-13 St Legend Co., Ltd. Table for supplying liquid for drinking
WO2008013819A3 (en) * 2006-07-25 2008-07-24 William L Antheil Beer keg and method of assembly
DE102007036469A1 (en) * 2007-01-25 2008-07-31 SCHäFER WERKE GMBH Beverage dispensing equipment as disposable containers
DE102007025286B4 (en) * 2007-05-30 2016-11-17 Khs Gmbh A method and apparatus for producing packaging containers or
WO2008150235A1 (en) * 2007-06-05 2008-12-11 Rexam Petainer Lidköping Ab Closure for beverage container and method for closing an opening of a container
US20090308898A1 (en) * 2008-06-12 2009-12-17 Jason Polano Beer ball
US9475607B2 (en) * 2008-10-01 2016-10-25 Rehrig Pacific Company Plastic beer keg
US8646660B2 (en) * 2009-04-01 2014-02-11 Thomas W. Bates Reusable beer keg
EP2583934B1 (en) 2011-10-21 2016-10-12 Thomas W. Bates Reusable beer keg
WO2010120347A3 (en) 2009-04-01 2010-12-09 Bates Thomas W Reusable beer keg
EP2421762B1 (en) * 2009-04-20 2016-02-10 Rehrig Pacific Company Plastic beer keg
US8967407B2 (en) * 2009-07-27 2015-03-03 Rehrig Pacific Company Plastic beer keg
CN102101556B (en) * 2009-08-17 2014-10-01 贺钢 Fresh barrels of beer
US9434505B2 (en) * 2010-01-26 2016-09-06 Rehrig Pacific Company Plastic beer keg
US20120111874A1 (en) * 2010-11-09 2012-05-10 Apps William P Plastic beer keg
ES2451394T3 (en) * 2010-11-09 2014-03-26 Rehrig Pacific Company Plastic barrel beer
DE202011050795U1 (en) * 2011-07-22 2011-09-12 Holger Blum Container for liquid chemicals
CA2895614A1 (en) 2014-06-23 2015-12-23 Rehrig Pacific Company Plastic beer keg
USD732262S1 (en) * 2014-08-14 2015-06-16 Brian Pellham Bar ware

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GB2203117A (en) * 1987-04-07 1988-10-12 Metal Box Plc Containers for pressurised liquids
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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003008293A1 (en) * 2001-07-16 2003-01-30 Cobarr S.P.A. Flexible bottles of polyester resin
EP1495854A1 (en) * 2003-07-11 2005-01-12 L'oreal A receptacle and a method of manufacturing it
EP1888450A4 (en) * 2005-04-19 2011-05-11 Ecokeg Pty Ltd Liquid storage and dispensing apparatus
EP1888450A1 (en) * 2005-04-19 2008-02-20 Ecokeg Pty Ltd Liquid storage and dispensing apparatus
EP2036854A2 (en) 2005-11-29 2009-03-18 Rexam Petainer Lidköping Ab Closure for a container for beverage
EP2361875A1 (en) 2005-11-29 2011-08-31 Petainer Lidköping AB Container, system and method for distribution and dispensing of beverages
EP3100975A1 (en) 2005-11-29 2016-12-07 Petainer Lidköping AB System and method for distribution and dispensing of beverages
US9725293B2 (en) 2005-11-29 2017-08-08 Petainer Lidkoping Ab System and method for distribution and dispensing of beverages
US8622098B2 (en) 2006-06-28 2014-01-07 Eurokeg B.V. Container for fluids, insert and method of filling a container
GB2461269B (en) * 2008-06-24 2012-07-25 Andrew Wadhams Water carrier
GB2461269A (en) * 2008-06-24 2009-12-30 Andrew Wadhams A pressurized portable water carrier
WO2010028707A1 (en) * 2008-09-13 2010-03-18 SCHäFER WERKE GMBH Method for producing a container for receiving a liquid, particularly a liquid beverage, and container for liquids
EP2258629A1 (en) 2009-06-05 2010-12-08 Eurokeg B.V. Container for a pressurized beverage, in particular beer, and method of filling a container with a pressurized beverage
WO2011134949A1 (en) 2010-04-27 2011-11-03 Eurokeg B.V. Container for liquids
JP2013528537A (en) * 2010-04-27 2013-07-11 ユーロケグ ベー.フェー.Eurokeg B.V. Liquid container
KR101797790B1 (en) * 2010-04-27 2017-11-15 유로케그 비.브이. Container for liquids
CN103144862B (en) * 2013-03-19 2016-05-04 刘爱华 Retail small beer fresh barrels
CN103144862A (en) * 2013-03-19 2013-06-12 刘爱华 Small retailed beer preservation barrel
EP2842880A1 (en) 2013-08-28 2015-03-04 Eurokeg B.V. Container for liquids
DE102014100442A1 (en) * 2014-01-16 2015-07-16 Bodo Richter Combination of two barrel plastic barrels
GB2532223A (en) * 2014-11-11 2016-05-18 Petainer Large Container Ip Ltd Keg protection assembly
GB2532223B (en) * 2014-11-11 2017-11-15 Petainer Large Container Ip Ltd Keg protection assembly

Also Published As

Publication number Publication date Type
US6666358B1 (en) 2003-12-23 grant
CA2375227C (en) 2010-09-07 grant
EP1210288A1 (en) 2002-06-05 application
EP1210288A4 (en) 2006-08-02 application
CA2375227A1 (en) 2000-12-28 application

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