WO2002040368A1 - Gas adsorption means for a container - Google Patents

Gas adsorption means for a container Download PDF

Info

Publication number
WO2002040368A1
WO2002040368A1 PCT/GB2001/005017 GB0105017W WO0240368A1 WO 2002040368 A1 WO2002040368 A1 WO 2002040368A1 GB 0105017 W GB0105017 W GB 0105017W WO 0240368 A1 WO0240368 A1 WO 0240368A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
container
adsorption means
permeable membrane
gas adsorption
Prior art date
Application number
PCT/GB2001/005017
Other languages
French (fr)
Inventor
Alan Moulton
Mark Sillince
Original Assignee
Cope Allman Plastic Packaging 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
Priority claimed from GB0027953A external-priority patent/GB0027953D0/en
Priority claimed from GB0111137A external-priority patent/GB0111137D0/en
Application filed by Cope Allman Plastic Packaging Limited. filed Critical Cope Allman Plastic Packaging Limited.
Priority to AU2002223801A priority Critical patent/AU2002223801A1/en
Publication of WO2002040368A1 publication Critical patent/WO2002040368A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/244—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes provided with oxygen absorbers

Definitions

  • the present invention relates to gas adsorption means for a container and a method for depressurising a container.
  • Some containers for food produce and containers for drinks produce have to withstand internal pressures. These pressures may be due to gases released from the produce. For example certain drinks containers that contain live beer have to withstand internal pressures of up to 6 p.s.i. The increase in the internal pressure is produced by fermentation gases released by the contents. For this reason any live beer container has to be able to withstand such pressures. Such live beer containers can be expensive.
  • Internal pressures in containers can also build up due to gases released from carbonated liquids stored therein.
  • Other known containers such as coffee packets comprise pressure release valves to ensure the internal pressure of the packet does not exceed a safe working pressure.
  • the internal pressure may build up due to gases released by the coffee.
  • a container for consumable produce comprising gas adsorption means.
  • the gas adsorption means is disposed in the upper region of the container.
  • the gas adsorption means preferably comprises a gas permeable membrane and a gas-adsorbing medium, the arrangement being such that, in use, gas within the container may pass through the gas permeable membrane and be adsorbed by the gas-adsorbing medium.
  • the gas permeable membrane is a semi-permeable membrane that substantially prevents a liquid from passing there through.
  • the gas-adsorbing medium is preferably a carbon based compound.
  • the container is preferably substantially non-rigid.
  • the gas adsorption means is preferably disposed within a chamber located in the upper regions of the container.
  • the gas adsorption means is disposed within a recess formed in a closure of the container.
  • the arrangement of the closure and the gas adsorption means is such that when the closure is placed on a nozzle portion of the container the gas adsorption means is received by the nozzle portion.
  • a method for depressurising a container for consumable produce whereby the volume of gas within the container is reduced by the adsorption of an amount of the gas into a medium.
  • the adsorption of the gas is into a carbon medium.
  • a method for depressurising a drinks container whereby the volume of gas within the drinks container is reduced by the adsorption of an amount of the gas into a medium.
  • the adsorption of the gas is into a carbon medium.
  • the present invention may be carried into practice in various ways but an embodiment will now be described, by way of example only, with reference to the accompanying drawings in which:
  • Figure 1 is an isometric view of a drinks carton
  • Figure 2 is a side view through cross-section AA of the closure of the drinks carton shown in Figure 1 ;
  • Figure 3 is an isometric view of a soft packet comprising gas adsorption means
  • Figure 4 is a view through cross-section BB of the soft packet and gas adsorption means.
  • a drinks carton 1 is formed from sheet laminated paper board.
  • the drinks carton 1 comprises a closure cap 2 formed with an internal thread (not shown) and a tubular nozzle 3 formed with a corresponding external thread 4.
  • the cap 3 and the tubular nozzle 3 are made from a plastics material.
  • the annular portion 5 is bonded the inner surface 9 of the carton 1 so forming a fluid tight seal there between.
  • Cartons similar to the carton 1 are presently used for containing non-pressurised liquids such as milk, yoghurt and fruit juice.
  • gas adsorption means comprising a block 6 of carbon and a semi-permeable membrane 7.
  • the carbon block 6 is secured to the inner surface of the closure 2.
  • the semi-permeable membrane 7 encases the carton block 6.
  • the peripheral edges of the semi-permeable membrane 7 are sonically welded to the inner surface of the closure 2.
  • the carbon block 6 and the semi-permeable membrane 7 extend into the nozzle 3 (as shown in Figure 2) .
  • the semi-permeable membrane 7 forms a fluid barrier between the carbon block 6 and the inner volume of the drinks carton 1.
  • the semi-permeable membrane 7 prevents the liquid within the carton 1 from coming into contact with the carbon block 6.
  • the drinks carton 1 may contain a live beer. Gases produced by the fermentation process of the beer may pass through the semi- permeable membrane 7 and then be adsorbed by the carbon block 6. The pressure within the carton 1 may be either maintained at an acceptable level or reduced due to the adsorption of the fermentation gas by the carbon block 6. The adsorption of the fermentation gases into the carbon block 6 reduces the volume of the gases.
  • the size of the carbon block 6 required depends upon the volume of beer contained within the drinks carton 1 and the amount of fermentation gases produced.
  • the overall strength of the drinks carton 1 may be reduced because of the depressurisation function of the gas adsorption means.
  • the carbon block 6 and semi-permeable membrane 7 may be placed anywhere on or in the carton such that there is access to the fermentation gas produced.
  • the packet 20 comprises a chamber 22 that has a substantially cylindrical body portion 24 formed with a closed end 26 and an open end 28.
  • the chamber 22 is injection moulded from a suitable plastics material.
  • the closed end is formed with an annular flange 30 that is bonded to the packet 20 by ultrasonic welding so forming a fluid tight seal there between.
  • the open end 28 of the chamber 22 is presented to the inside region of the packet 20.
  • the chamber 22 contains gas adsorption means comprising a block 32 of carbon.
  • the open end 28 of the chamber 22 is covered by a semi- permeable membrane 34.
  • the carbon block 32 and the semi-permeable membrane 34 extend into the packet 20 (as shown in Figure 4) .
  • the semi-permeable membrane 34 forms barrier between the carbon block 6 and the inner volume of the packet 20.
  • the semi-permeable membrane 34 prevents any liquid or solid within the packet 20 coming into contact with the carbon block 32.
  • the packet 20 may contain coffee powder. Gases produced by the coffee powder may pass through the semi-permeable membrane 32 and then be adsorbed by the carbon block 34. The pressure within the packet 20 may be either maintained at an acceptable level or reduced due to the adsorption of the fermentation gas by the carbon block 32. The adsorption of the fermentation gases into the carbon block 32 reduces the volume of the gases.
  • the gas adsorption means of the present invention may be adapted for use on any suitable consumer produce containers such as, but not limited to, flexible foil packets, laminated cartons, plastic containers and glass bottles.

Abstract

Drinks containers have to withstand internal pressures that have built up due to gases released from carbonated liquids. Such containers have to be able to withstand pressures of up to 6 p.s.i. Other known containers such as coffee packets comprise pressure release valves to ensure that internal pressure does not exceed a safe working pressure. According to the present invention there is provided a container (1) for consumable produce and gas adsorption means (6, 7). Gas within the container (1) may be adsorbed by the gas adsorption means (6, 7).

Description

GAS ADSORPTION MEANS FOR A CONTAINER
The present invention relates to gas adsorption means for a container and a method for depressurising a container.
Some containers for food produce and containers for drinks produce have to withstand internal pressures. These pressures may be due to gases released from the produce. For example certain drinks containers that contain live beer have to withstand internal pressures of up to 6 p.s.i. The increase in the internal pressure is produced by fermentation gases released by the contents. For this reason any live beer container has to be able to withstand such pressures. Such live beer containers can be expensive.
Internal pressures in containers can also build up due to gases released from carbonated liquids stored therein. Other known containers such as coffee packets comprise pressure release valves to ensure the internal pressure of the packet does not exceed a safe working pressure. The internal pressure may build up due to gases released by the coffee.
According to a first aspect of the present invention there is provided a container for consumable produce, the container comprising gas adsorption means.
Preferably, the gas adsorption means is disposed in the upper region of the container.
The gas adsorption means preferably comprises a gas permeable membrane and a gas-adsorbing medium, the arrangement being such that, in use, gas within the container may pass through the gas permeable membrane and be adsorbed by the gas-adsorbing medium. Preferably, the gas permeable membrane is a semi-permeable membrane that substantially prevents a liquid from passing there through.
The gas-adsorbing medium is preferably a carbon based compound.
The container is preferably substantially non-rigid.
The gas adsorption means is preferably disposed within a chamber located in the upper regions of the container.
Alternatively, the gas adsorption means is disposed within a recess formed in a closure of the container.
Preferably, the arrangement of the closure and the gas adsorption means is such that when the closure is placed on a nozzle portion of the container the gas adsorption means is received by the nozzle portion.
According to a second aspect of the present invention there is provided a method for depressurising a container for consumable produce whereby the volume of gas within the container is reduced by the adsorption of an amount of the gas into a medium.
Preferably the adsorption of the gas is into a carbon medium.
According to a third aspect of the present invention there is provided a method for depressurising a drinks container whereby the volume of gas within the drinks container is reduced by the adsorption of an amount of the gas into a medium.
Preferably the adsorption of the gas is into a carbon medium. The present invention may be carried into practice in various ways but an embodiment will now be described, by way of example only, with reference to the accompanying drawings in which:
Figure 1 is an isometric view of a drinks carton;
Figure 2 is a side view through cross-section AA of the closure of the drinks carton shown in Figure 1 ;
Figure 3 is an isometric view of a soft packet comprising gas adsorption means; and
Figure 4 is a view through cross-section BB of the soft packet and gas adsorption means.
With reference to Figures 1 and 2, a drinks carton 1 is formed from sheet laminated paper board. The drinks carton 1 comprises a closure cap 2 formed with an internal thread (not shown) and a tubular nozzle 3 formed with a corresponding external thread 4. The cap 3 and the tubular nozzle 3 are made from a plastics material. Around the circumference of one end of the tubular nozzle 3 there extends radially outward an internal annular portion 5. The annular portion 5 is bonded the inner surface 9 of the carton 1 so forming a fluid tight seal there between. Cartons similar to the carton 1 are presently used for containing non-pressurised liquids such as milk, yoghurt and fruit juice.
Disposed within the closure cap 2 there is gas adsorption means comprising a block 6 of carbon and a semi-permeable membrane 7. The carbon block 6 is secured to the inner surface of the closure 2. The semi-permeable membrane 7 encases the carton block 6. The peripheral edges of the semi-permeable membrane 7 are sonically welded to the inner surface of the closure 2.
When the closure 2 is screwed onto the tubular nozzle 3 the carbon block 6 and the semi-permeable membrane 7 extend into the nozzle 3 (as shown in Figure 2) . The semi-permeable membrane 7 forms a fluid barrier between the carbon block 6 and the inner volume of the drinks carton 1. The semi-permeable membrane 7 prevents the liquid within the carton 1 from coming into contact with the carbon block 6.
In use the drinks carton 1 may contain a live beer. Gases produced by the fermentation process of the beer may pass through the semi- permeable membrane 7 and then be adsorbed by the carbon block 6. The pressure within the carton 1 may be either maintained at an acceptable level or reduced due to the adsorption of the fermentation gas by the carbon block 6. The adsorption of the fermentation gases into the carbon block 6 reduces the volume of the gases.
The person skilled in the art will appreciate that the size of the carbon block 6 required depends upon the volume of beer contained within the drinks carton 1 and the amount of fermentation gases produced. The overall strength of the drinks carton 1 may be reduced because of the depressurisation function of the gas adsorption means.
It will be appreciated that the carbon block 6 and semi-permeable membrane 7 may be placed anywhere on or in the carton such that there is access to the fermentation gas produced. However, there are advantages in placing the carbon block 6 and semi-permeable membrane 7 within the closure 2. One such advantage is the ease of access while assembling the carbon block 6 and semi-permeable membrane 7. With reference to Figures 3 and 4, there is shown a packet 20 formed from a suitable flexible sheet barrier material. The packet 20 comprises a chamber 22 that has a substantially cylindrical body portion 24 formed with a closed end 26 and an open end 28. The chamber 22 is injection moulded from a suitable plastics material. The closed end is formed with an annular flange 30 that is bonded to the packet 20 by ultrasonic welding so forming a fluid tight seal there between. The open end 28 of the chamber 22 is presented to the inside region of the packet 20. The chamber 22 contains gas adsorption means comprising a block 32 of carbon. The open end 28 of the chamber 22 is covered by a semi- permeable membrane 34.
When the chamber 22 is welded onto the packet 20 the carbon block 32 and the semi-permeable membrane 34 extend into the packet 20 (as shown in Figure 4) . The semi-permeable membrane 34 forms barrier between the carbon block 6 and the inner volume of the packet 20. The semi-permeable membrane 34 prevents any liquid or solid within the packet 20 coming into contact with the carbon block 32.
In use the packet 20 may contain coffee powder. Gases produced by the coffee powder may pass through the semi-permeable membrane 32 and then be adsorbed by the carbon block 34. The pressure within the packet 20 may be either maintained at an acceptable level or reduced due to the adsorption of the fermentation gas by the carbon block 32. The adsorption of the fermentation gases into the carbon block 32 reduces the volume of the gases.
The gas adsorption means of the present invention may be adapted for use on any suitable consumer produce containers such as, but not limited to, flexible foil packets, laminated cartons, plastic containers and glass bottles.

Claims

1. A container (1) for consumable produce, the container (1) comprising gas adsorption means (6, 7) .
2. A container according to claim 1 , wherein the gas adsorption means (6, 7) is disposed in the upper region of the container (1) .
3. A container according to claim 1 or claim 2, wherein the gas adsorption means comprises a gas permeable membrane (7) and a gas- adsorbing medium (6) , the arrangement being such that, in use, gas within the container (1) may pass through the gas permeable membrane (7) and be adsorbed by the gas-adsorbing medium (6) .
4. A container according to claim 3, wherein the gas permeable membrane (7) is a semi-permeable membrane that substantially prevents a liquid from passing there through.
5. A container according to claim 3 or claim 4, wherein the gas- adsorbing medium (6) is a carbon based compound.
6. A container according to any one of the preceding claims, wherein the container is substantially non-rigid.
7. A container according to any one of the preceding claims, wherein the gas adsorption means is disposed within a chamber (22) located in the upper regions of the container (20) .
8. A container according to any one of claims 1 to 6, wherein the gas adsorption means is disposed within a recess formed in a closure (2) of the container.
9. A container according to claim 8, wherein the arrangement of the closure and the gas adsorption means (6, 7) is such that when the closure is placed on a nozzle portion (3) of the container (1) the gas adsorption means (6, 7) is received by the nozzle portion (3) .
10. A method for depressurising a container (1) for consumable produce, whereby the volume of gas within the container (1) is reduced by the adsorption of an amount of the gas into a medium (6) .
11. A method for depressurising a drinks container (1), whereby the volume of gas within the drinks container (1) is reduced by the adsorption of an amount of the gas into a medium (6) .
12. A method according to claim 10 or claim 11 , wherein the adsorption of the gas is into a carbon medium (6) .
PCT/GB2001/005017 2000-11-16 2001-11-14 Gas adsorption means for a container WO2002040368A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002223801A AU2002223801A1 (en) 2000-11-16 2001-11-14 Gas adsorption means for a container

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0027953.9 2000-11-16
GB0027953A GB0027953D0 (en) 2000-11-16 2000-11-16 Gas adsorption means for a container
GB0111137.6 2001-05-05
GB0111137A GB0111137D0 (en) 2001-05-05 2001-05-05 Gas adsorption means for a container

Publications (1)

Publication Number Publication Date
WO2002040368A1 true WO2002040368A1 (en) 2002-05-23

Family

ID=26245292

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/005017 WO2002040368A1 (en) 2000-11-16 2001-11-14 Gas adsorption means for a container

Country Status (2)

Country Link
AU (1) AU2002223801A1 (en)
WO (1) WO2002040368A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2429451A (en) * 2005-08-25 2007-02-28 Stanelco Rf Technologies Ltd Gas absorbing means for a container
JP2010265043A (en) * 2004-02-27 2010-11-25 Bp Corp North America Inc Use of carbon dioxide regulator for extending preservation life of plastic packaging
WO2014051963A1 (en) * 2012-09-28 2014-04-03 Pepsico, Inc. Use of adsorber material to relieve vacuum in sealed container caused by cooling of heated contents
US9938057B2 (en) 2014-10-23 2018-04-10 Sello, LLC Preservation device
US9944442B2 (en) 2014-10-23 2018-04-17 Sello, LLC Preservation device

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JPS5537117A (en) * 1978-09-06 1980-03-15 Toyo Ink Mfg Co Ltd Prevention of deterioration of refined "sake"
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EP0466515A2 (en) * 1990-07-13 1992-01-15 Toray Industries, Inc. Oxygen scavenger
US5092914A (en) * 1990-06-07 1992-03-03 Multiform Desiccants, Inc. Floatable oxygen-absorbing cartridge
JPH05319454A (en) * 1992-05-20 1993-12-03 Toppan Printing Co Ltd Liquid container for liquid apt to be transmuted
JPH0858769A (en) * 1994-08-24 1996-03-05 Toppan Printing Co Ltd Paper container for liquid with good preservability
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JPH1143170A (en) * 1997-07-18 1999-02-16 Shiseido Co Ltd Container with oxygen absorbent placed in lid plug

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JPS5537117A (en) * 1978-09-06 1980-03-15 Toyo Ink Mfg Co Ltd Prevention of deterioration of refined "sake"
US4287995A (en) * 1978-11-30 1981-09-08 Mitsubishi Gas Chemical Company, Inc. Container sealing member with oxygen absorbent
US4421235A (en) * 1979-02-08 1983-12-20 Mitsubishi Gas Chemical Co. Inc. Oxygen absorbent-containing bag and container sealing member having the same
EP0269066A1 (en) * 1986-11-28 1988-06-01 Mitsubishi Gas Chemical Company, Inc. Oxygen scavenger container used for cap
US5092914A (en) * 1990-06-07 1992-03-03 Multiform Desiccants, Inc. Floatable oxygen-absorbing cartridge
EP0466515A2 (en) * 1990-07-13 1992-01-15 Toray Industries, Inc. Oxygen scavenger
JPH05319454A (en) * 1992-05-20 1993-12-03 Toppan Printing Co Ltd Liquid container for liquid apt to be transmuted
JPH0858769A (en) * 1994-08-24 1996-03-05 Toppan Printing Co Ltd Paper container for liquid with good preservability
JPH0885564A (en) * 1994-09-19 1996-04-02 Toppan Printing Co Ltd Container top
JPH09323764A (en) * 1996-05-31 1997-12-16 Toppan Printing Co Ltd Oxygen absorptive cap
JPH1143170A (en) * 1997-07-18 1999-02-16 Shiseido Co Ltd Container with oxygen absorbent placed in lid plug

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010265043A (en) * 2004-02-27 2010-11-25 Bp Corp North America Inc Use of carbon dioxide regulator for extending preservation life of plastic packaging
GB2429451A (en) * 2005-08-25 2007-02-28 Stanelco Rf Technologies Ltd Gas absorbing means for a container
WO2007023317A2 (en) * 2005-08-25 2007-03-01 Stanelco Rf Technologies Limited Absorbing system in a container
WO2007023317A3 (en) * 2005-08-25 2007-05-18 Stanelco Rf Technologies Ltd Absorbing system in a container
GB2429451B (en) * 2005-08-25 2008-03-26 Stanelco Rf Technologies Ltd Gas absorbing means for a container
WO2014051963A1 (en) * 2012-09-28 2014-04-03 Pepsico, Inc. Use of adsorber material to relieve vacuum in sealed container caused by cooling of heated contents
JP2015536878A (en) * 2012-09-28 2015-12-24 ペプシコ, インコーポレイテッドPepsiCo Inc. Use of adsorbent materials to relieve the vacuum in sealed containers caused by cooling of heated contents
US9481503B2 (en) 2012-09-28 2016-11-01 Pepsico, Inc. Use of adsorber material to relieve vacuum in sealed container caused by cooling of heated contents
US9938057B2 (en) 2014-10-23 2018-04-10 Sello, LLC Preservation device
US9944442B2 (en) 2014-10-23 2018-04-17 Sello, LLC Preservation device

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