GB2256009A - Gas storage for beer dispensing - Google Patents

Gas storage for beer dispensing Download PDF

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Publication number
GB2256009A
GB2256009A GB9210564A GB9210564A GB2256009A GB 2256009 A GB2256009 A GB 2256009A GB 9210564 A GB9210564 A GB 9210564A GB 9210564 A GB9210564 A GB 9210564A GB 2256009 A GB2256009 A GB 2256009A
Authority
GB
United Kingdom
Prior art keywords
keg
gas cylinder
gas
beer
handling ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB9210564A
Other versions
GB9210564D0 (en
GB2256009B (en
Inventor
Clive Stewart Cumner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Distillers MG Ltd
Original Assignee
Distillers MG Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Distillers MG Ltd filed Critical Distillers MG Ltd
Publication of GB9210564D0 publication Critical patent/GB9210564D0/en
Publication of GB2256009A publication Critical patent/GB2256009A/en
Application granted granted Critical
Publication of GB2256009B publication Critical patent/GB2256009B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
    • B67D1/0412—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers the whole dispensing unit being fixed to the container
    • B67D1/0418—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers the whole dispensing unit being fixed to the container comprising a CO2 cartridge for dispensing and carbonating the beverage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
    • B67D1/0412—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers the whole dispensing unit being fixed to the container
    • B67D1/0437—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers the whole dispensing unit being fixed to the container comprising a gas pressure space within the container for the liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0133—Shape toroidal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • F17C2203/0643—Stainless steels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0332—Safety valves or pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0338—Pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0352—Pipes
    • F17C2205/0364—Pipes flexible or articulated, e.g. a hose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2181—Metal working processes, e.g. deep drawing, stamping or cutting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/221—Welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/013—Carbone dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/015—Facilitating maintenance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/018—Adapting dimensions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A keg 7 having a handling ring 8 receives a donut shaped gas cylinder 1, which is releasably attached to the keg by holding means 9 and fits within and below the top of the handling ring 8. <IMAGE>

Description

GAS STORAGE FOR BEER DISPENSE At present the vast majority of draft beer is shipped from the brewery in stainless steel or aluminium beer kegs with a pressurised gas in the ullage space above the surface of the beer. When pure carbon dioxide is used to pressurise the beer then the pressure of the gas is set by the carbonation level required for the particular beer. If however a mixed gas is used, e.g. 70% nitrogen/30% carbon dioxide, a higher pressure is needed so that the partial pressure of the carbon dioxide is at the required level to maintain equilibrium conditions in the beer and prevent either over or under carbonation. As beer is dispensed from the keg, make up gas is required to maintain the required top pressure conditions.This is normally provided either by individual carbon dioxide or mixed gas cylinders via a pressure reducing valve and interconnecting pipework or from a ring main system within a cellar which is supplied from either a single cylinder or cylinder racks. Such a system has a primary regulator to control the pressure in the ring main and a separate secondary regulator on the final connection to each of the kegs to adjust the individual top pressure required for the beers in that keg.
Such systems have worked well for many years but with the change from pubs owned and managed by individual breweries to a greater preponderance of free houses, the question of who supplies and pays for the gas is an increasing problem. For many years a well known brewer has had this problem with their stout as it requires a mixed gas to provide top pressure due to its characteristics.
For this reason and the fact that it was always a "guest beer" in a pub owned by another brewer, they were in the past always required to supply their own gas. This was achieved in the UK by use of a two part keg which was produced specifically for them. This keg is very similar externally to a normal beer keg but is divided into two with a stainless steel dividing plate into a top gas chamber and a bottom beer chamber. A central connection from the beer chamber passes through the centre of the dividing plate and the gas chamber. Pressurised mixed gas is charged into the top chamber and beer under normal dispense pressure is filled into the bottom chamber. A connection to the gas chamber is made through the top surface of the keg by a pressure regulator which is connected via a flexible pipe to the bottom beer chamber through the central connection.
Although this is an ingenious design which has been used for many years it has many limitations. The pressure rating of the keg limits the amount of gas pressure that may be charged into the top chamber. Obviously if a higher pressure were possible then the volume of the top chamber could be reduced allowing for a greater beer capacity in the bottom chamber. An unavoidable problem inherent in this design is that there is often very little gas pressure in reserve when the keg is nearly empty of beer. Any leak on the external pipe connection or regulator can therefore lead to incomplete dispense of the keg. The kegs are also expensive to manufacture and must be filled with beer and then with gas sequentially in the brewery in addition to a very difficult cleaning and maintenance requirement.As a result there is currently a move towards the use of standard kegs and separate gas cylinders or ring mains for dispensing stout. An increasing number of brewers are also using mixed gas for the dispense of ordinary beers to utilise the higher top pressure that is possible without over-carbonation to replace the need for electro mechanical pumping beer systems.
There is therefore an increasing chance of error and general confusion in the use, ownership and safety of separate kegs and cylinder systems where a variety of keg pressures, gas mixtures and gas cylinder charge pressures may be involved.
A first aspect of this invention comprises the combination of a keg having a handling ring, and a generally toroidal gas cylinder, the generally toroidal gas cylinder being releasably attached to the keg and fitting within and below the top of the handling ring of the keg.
A second aspect of this invention comprises a gas cylinder for fitting to a beer keg within and below the top of its handling ring, the cylinder having the form of a substantially toroidal metal tube with a gas inlet and outlet connection.
The gas cylinder may be formed by bending a tube into a helix, cutting a turn from the helix, flattening the turn of the helix and welding together its open ends to form a sealed torus. Preferably, however, the gas cylinder includes a machined valve block to provide the gas connection containing within it an isolating valve and, the valve block is then welded to opposite ends of a C-shaped metal tube.
According to a third aspect of this invention a beer keg includes holding means fitted within and below the top of the handling ring of the keg to releasably secure a toroidal gas cylinder to it.
Preferably, the holding means comprises a number of moulded plastics clips or wedges. The holding means may comprise a locking device such as a bracket and padlock or a clamp and key arrangement to prevent the unauthorised separation of the gas cylinder from the keg.
With the arrangement in accordance with this invention the gas cylinder is separable from the keg and consequently both can be re-filled separately prior to dispatch from the brewery. The gas container needed to dispense the keg contents will therefore be with the keg at all times until its return to the brewery and only be coupled together when their filling has been successfully completed. Once coupled together they then remain together during transport to a retail outlet, during dispense of the contents of the keg at the retail outlet and on return of the empty keg to the brewery.
A gas cylinder shaped as a toroid resists a considerably greater pressure, for a particular wall thickness, than one formed as the top chamber of a beer keg. Accordingly the generally toroidal gas cylinder used in this invention has a considerable gas capacity in spite of its small size. Fitting it wholly within the handling ring of a keg ensures firstly that the cylinder is largely protected from damage by the handling ring and secondly that a stack of kegs incorporating this invention do not occupy any greater space than a stack of conventional kegs.
Accordingly the inclusion of toroidal gas cylinders in this position in kegs ensures that the kegs can be transported and stored as efficiently as at present without the need for any additional gas cylinder storage or transport.
This invention is primarily intended to be used for mixed gas dispense and the volume and charge pressure of the gas cylinder is chosen so that it dispenses the complete contents of the beer keg with a some reserve capacity to allow for any accidental gas escape.
Particular examples of kegs and gas cylinders in accordance with this invention will now be described with reference to the accompanying drawings; in which: Figure 1 is a plan of a first example of gas cylinder; Figure 2 is a sectional elevation taken along the line A-A shown in Figure 1 of the first example of gas cylinder fitted to a keg; Figure 3 is a plan of a second example of gas cylinder; and, Figure 4 is partially sectional side elevation of the second example of gas cylinder.
Figure 1 shows a generally toroidal gas cylinder 1.
The torus 2 is preferably formed from stainless steel tubing. The tubing is initially wound to form a helix and a single turn is cut and flattened out. The open ends of the tubing are then welded together to form the sealed torus 2. The torus 2 is provided with a gas connection to allow the charging and discharging of the gas cylinder 1.
Preferably the gas connection takes the form of a stainless steel machined valve block 3 which contains an isolating valve 4 and an outlet connection 5. The valve block 3 also includes means 6 to register the valve block between the two open ends of the torus 2. The two open ends of the torus 2 and the valve block 3 are then welded together to form a generally toroidal gas cylinder 1.
In Figure 2 the generally toroidal gas cylinder 1 is shown mounted on a beer keg 7. The gas cylinder 1 fits within and below the top of a handling ring 8 of the keg 7.
The gas cylinder 1 is releasably secured to the top of the keg 7 by means of plastics clips 9 which are fastened equidistantly around the inside of the top handling ring 8 of the keg 7 and which fit between the wall of the gas cylinder 1 and the handling ring 8. With the gas cylinder 1 and fittings 9 positioned below the top of the handling ring 8 of the keg 7, they are protected from mechanical damage during transport and storage.
A pressure reducing regulator (not shown) can be connected to the outlet 5 of the gas cylinder 1 by means of a high pressure tail piece or coupling (not shown) and a flexible pipe connection (not shown) would then go to a standard removable keg "closure" 10 (see Figure 2) on the top of the keg 7. If very accurate top pressure is required for specific brews a secondary regulator (not shown) can be fitted to the closure end of the flexible connection.
Suitable relief devices on the low pressure side are necessary to protect the keg 7 in line with the Brewer's Society Code of Practice.
The operation of the keg 7 incorporating the generally toroidal gas cylinder 1 is therefore unchanged from that used with a separate carbon dioxide cylinder or ring main.
In Figures 3 and 4 a second example of a gas cylinder 1 is shown in which the torus 2 is formed from two separate sections of stainless steel tubing each of which is bent through an angle of 1800 before being welded together. An alternative to the machined valve block 3 of Figure 1 is shown comprising a welded "sockolet" type threaded valve fitting 11 which provides the gas connection.
The gas cylinder 1 of Figures 3 and 4 is releasably attached to a keg 7 in the same manner described above.

Claims (9)

1. The combination of a keg having a handling ring, and a generally toroidal gas cylinder, the generally toroidal gas cylinder being releasably attached to the keg and fitting within and below the top of the handling ring of the keg.
2. A gas cylinder for fitting to a beer keg within and below the top of its handling ring, the cylinder having the form of a substantially toroidal metal tube with a gas inlet and outlet connection.
3. A gas cylinder according to claim 2, formed by bending a tube into a helix, cutting a turn from the helix, flattening the turn of the helix and welding together its open ends to form a sealed torus.
4. A gas cylinder according to claims 2 and 3, the gas cylinder including a machined valve block to provide the gas connection containing within it an isolating valve whereby the valve block is then welded to opposite ends of a C-shaped metal tube.
5. A beer keg including holding means fitted within and below the top of the handling ring of the keg to releasably secure a toroidal gas cylinder to it.
6. A beer keg according to claim 5, the holding means comprising a number of moulded plastics clips or wedges.
7. The combination of a keg and a gas cylinder substantially as described with reference to the accompanying drawings.
8. A gas cylinder substantially as described with reference to the accompanying drawings.
9. A beer keg substantially as described with reference to the accompanying drawings.
GB9210564A 1991-05-22 1992-05-18 Gas storage for beer dispense Expired - Fee Related GB2256009B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919111057A GB9111057D0 (en) 1991-05-22 1991-05-22 Gas storage for beer dispense

Publications (3)

Publication Number Publication Date
GB9210564D0 GB9210564D0 (en) 1992-07-01
GB2256009A true GB2256009A (en) 1992-11-25
GB2256009B GB2256009B (en) 1995-01-04

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GB919111057A Pending GB9111057D0 (en) 1991-05-22 1991-05-22 Gas storage for beer dispense
GB9210564A Expired - Fee Related GB2256009B (en) 1991-05-22 1992-05-18 Gas storage for beer dispense

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GB919111057A Pending GB9111057D0 (en) 1991-05-22 1991-05-22 Gas storage for beer dispense

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016966A1 (en) * 1993-01-25 1994-08-04 Cpb Innovative Technology Limited Carbonated beverage package
US5411172A (en) * 1993-01-05 1995-05-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Unitary assembly of beverage keg and gas reservoir

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7703630A (en) * 1977-04-04 1978-10-06 Bk Gas Bv Liquefied petroleum gas storage tank for motor vehicle - is shaped as tyred wheel for fixing in spare wheel well
US4561476A (en) * 1984-10-11 1985-12-31 The Garrett Corporation Toroidal pressure vessel
US4817855A (en) * 1984-10-11 1989-04-04 Allied-Signal Inc. Pressure vessel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7703630A (en) * 1977-04-04 1978-10-06 Bk Gas Bv Liquefied petroleum gas storage tank for motor vehicle - is shaped as tyred wheel for fixing in spare wheel well
US4561476A (en) * 1984-10-11 1985-12-31 The Garrett Corporation Toroidal pressure vessel
US4817855A (en) * 1984-10-11 1989-04-04 Allied-Signal Inc. Pressure vessel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5411172A (en) * 1993-01-05 1995-05-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Unitary assembly of beverage keg and gas reservoir
WO1994016966A1 (en) * 1993-01-25 1994-08-04 Cpb Innovative Technology Limited Carbonated beverage package
AU684488B2 (en) * 1993-01-25 1997-12-18 Cpb Innovative Technology Limited Carbonated beverage package

Also Published As

Publication number Publication date
GB9210564D0 (en) 1992-07-01
GB9111057D0 (en) 1991-07-17
GB2256009B (en) 1995-01-04

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