EP1990309B1 - Récipient contenant une source de gaz sous pression de CO2 et protection anti-surpression - Google Patents

Récipient contenant une source de gaz sous pression de CO2 et protection anti-surpression Download PDF

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Publication number
EP1990309B1
EP1990309B1 EP07009281A EP07009281A EP1990309B1 EP 1990309 B1 EP1990309 B1 EP 1990309B1 EP 07009281 A EP07009281 A EP 07009281A EP 07009281 A EP07009281 A EP 07009281A EP 1990309 B1 EP1990309 B1 EP 1990309B1
Authority
EP
European Patent Office
Prior art keywords
container
pressure
membrane
cartridge
overpressure protection
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.)
Not-in-force
Application number
EP07009281A
Other languages
German (de)
English (en)
Other versions
EP1990309A1 (fr
Inventor
Kurt Oberhofer
Timm Oberhofer
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.)
Huber Packaging Group GmbH
Original Assignee
Individual
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 to EP07009281A priority Critical patent/EP1990309B1/fr
Application filed by Individual filed Critical Individual
Priority to AU2008250673A priority patent/AU2008250673A1/en
Priority to JP2010506843A priority patent/JP2010526263A/ja
Priority to EA200971039A priority patent/EA200971039A1/ru
Priority to CN200880015437.5A priority patent/CN101687624B/zh
Priority to US12/597,140 priority patent/US20100140265A1/en
Priority to CA002679984A priority patent/CA2679984A1/fr
Priority to PCT/EP2008/003611 priority patent/WO2008138513A1/fr
Priority to BRPI0810793-9A2A priority patent/BRPI0810793A2/pt
Publication of EP1990309A1 publication Critical patent/EP1990309A1/fr
Application granted granted Critical
Publication of EP1990309B1 publication Critical patent/EP1990309B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/125—Safety means, e.g. over-pressure valves

Definitions

  • the invention relates to a container according to the preamble of claim 1, which can be filled with liquid and sealed pressure-tight and removed from the liquid.
  • containers are barrels, small barrels (party kegs) or cans in which CO 2 -containing liquids, in particular drinks, are filled under pressure. It's all about party kegs for beer.
  • the container after EP 1 642 861 A1 has an insert that can be sealed under seal in an opening of the container and a CO 2 -Hochdruckpatrone, a pressure control valve for outputting CO 2 thereof and an externally accessible actuator, by its operation, the CO 2 -Hochdruckpatrone can puncture.
  • the present invention deals with the per se unlikely accident that the pressure control valve after the EP 1 642 861 A1 for whatever reason failed. Then it can come creeping, but also very quickly to an uncontrolled increase in pressure in the container.
  • a conventional party keg for beer can withstand an internal pressure of up to approx. 6.5 bar. From about 4 bar cambered the party keg; Topsoil and / or underbody of the party barrel bulge up. At about 6.5 bar burst the party keg, and usually by the fact that a folded seam between the coat and the topsoil or the bottom of the party keg rises. The remaining CO 2 escapes.
  • the party keg runs out, maybe with a hefty fountain of beer. People are not endangered, but property damage is possible, and there are annoying cleanup.
  • a generic container with a built-in pressure system which comprises a CO 2 high-pressure cartridge, a pressure control valve for outputting CO 2 thereof and an externally accessible actuator, by the actuation of the CO 2 high-pressure cartridge is pierced.
  • the printing system has an overpressure protection, the upon an undesirable increase in pressure in the container releases a flow path from its headspace through the pressure system to the atmosphere. This overpressure protection bursts after exceeding an internal pressure at which the container visibly cambers, but before reaching an internal pressure at which the container bursts.
  • the overpressure protection after the EP 1 688 813 A1 consists of a pressure relief valve, which has a valve member in the form of a positive pressure hose piece and locks or releases a complicated flow path through a plurality of openings, holes and channels.
  • the structural complexity and the cost price of such overpressure protection are high.
  • the object of the invention is to provide a container of the type mentioned with an overpressure protection, which is inexpensive and reliable in construction and signals the customer in case of failure that something is not in order with the owner's printing system.
  • the container that solves this problem has an overpressure safety device, the bursting part of the overpressure safety device being a membrane on the wall of a housing with which the insert projects into the container.
  • the flow path for blowing off the CO 2 via a leak of the actuator is a preferred embodiment.
  • the overpressure protection is ineffective before the piercing of the CO 2 high-pressure cartridge.
  • the overpressure protection is activated by the piercing of the CO 2 high-pressure cartridge. This ensures that the overpressure protection only comes into function when it is actually needed, namely in the event of a failure of the pressure regulating valve.
  • the overpressure protection bursts at an internal pressure of between 0.4 MPa (4.0 bar) and 0.9 MPa (9.0 bar), preferably 0.45 MPa (4.5 bar) to 0.7 MPa ( 7.0 bar), more preferably 0.5 to 0.6 MPa (5.0 to 6.0 bar).
  • the membrane is supported on the actuator prior to piercing the CO 2 high pressure cartridge.
  • the membrane is released from the actuator.
  • the membrane is recessed in the insert. It is thus protected from damage.
  • the membrane is made of elastic plastic. With an uncontrolled increase in internal pressure, the membrane undergoes increasing elastic deformation until it bursts.
  • the CO 2 compressed gas source is designed as an insert which fits through the bunghole of a container into the container and closes the bunghole tight.
  • the container is filled under pressure with CO 2 -containing liquid through the bunghole usually located in the middle of its topsoil. Then the bunghole is closed with the insert.
  • the liquid passes through internal pressure and gravity effect, until in the headspace of the container above the liquid level in a negative pressure is reached.
  • the CO 2 compressed gas source is activated.
  • the CO 2 compressed gas source feeds CO 2 at a pressure into the head space of the container, which corresponds to the partial pressure of the dissolved CO 2 in the liquid or slightly exceeds this partial pressure. Thereby ensures a constant emptying of the container. There is no air in the headspace of the container.
  • the CO 2 content of the liquid remains the same.
  • the insert is of elongated-slender shape and mostly radially symmetric to a central axis. It consists mainly of plastic.
  • the two-component plastic injection molding technique offers.
  • the insert which is in the installed position and closes the bunghole of the container protrudes with a housing 10 into the container.
  • the housing 10 has at its inner end a chamber 12 for the snug-fit recording of a CO 2 high-pressure cartridge 14.
  • the housing 10 is seated outside with a circumferential collar 16 on the beaded edge of the bunghole.
  • a seal 18 is formed, with which the insert seals the bunghole.
  • the knob 20 has a steep external thread 22, with which it is screwed into a complementary internal thread of the housing 10.
  • a piercing needle 24 For piercing the CO 2 cartridge 14 is a piercing needle 24, which is structurally associated with the valve member of a pressure control valve.
  • the valve member is suspended with an elastic membrane 26 in the axial center of the housing 10.
  • the tip of the piercing needle 24 is only slightly spaced from the end face of the CO 2 cartridge 14.
  • valve seat 28 is formed from the elastic sealing material to the housing 10.
  • the piercing needle 24 is acted upon by a slider 30 which is between the knob. 20 and the piercing needle 24 is located.
  • the slider 30 is guided longitudinally displaceably in the housing 10. When actuated, the knob 20 screws against the slide 30, which is axially displaced.
  • a helical compression spring 32 is clamped between the knob 20 and slider 30, a helical compression spring 32 is clamped.
  • the helical compression spring 32 biases the slider 30 against the piercing needle 24.
  • the membrane 26 defines a working space downstream of the valve seat 28 of the pressure regulating valve.
  • the working space has a lateral outlet opening, in front of which an elastic sealing ring 34 is located.
  • the sealing ring 34 has the function of a check valve. It prevents liquid from entering the insert.
  • the knob 20 is rotated by approximately 90 °.
  • the slider 30 is adjusted by the screw feed of the knob 20 axially inwards.
  • the piercing needle 24 is carried along with elastic deformation of the membrane 26 axially inwards.
  • the valve member lifts off from the valve seat 28. After piercing, a very small valve chamber standing CO 2 filled in front of the head of the CO 2 cartridge 14 under high pressure.
  • the slider 30 After completed 90 ° rotation or over-rotation of the knob 20, the slider 30 jumps against the force of the helical compression spring 32 axially outward. He is to be actuated by the Anlegeadel 24, which is reset by the elastic recovery of the diaphragm 26 axially. The helical compression spring 32 is tensioned. The pressure control valve is closed and a small amount of high pressure CO 2 admitted into the working space. The CO 2 pressure forces on the membrane 26 contribute to the needle-actuated return jump of the slider 30 at.
  • the further opening and closing of the pressure regulating valve is determined by an equilibrium of forces on the diaphragm 26, to which the elastic properties of the diaphragm 26, the spring constant of the helical compression spring 32 and the CO 2 pressure in the working space contribute.
  • the spring constant of the helical compression spring 32 is determining.
  • the user will activate the CO 2 source of pressurized gas when the internal pressure in the container has dropped to the point where the jet of fluid exiting through the outlet cock becomes too weak.
  • CO 2 -pressure gas source can be readily activated even before, if the internal pressure in the container is still high, very likely even at the first user intervention on the container at all.
  • a metering of CO 2 in the headspace of the container does not take place as long as the high internal pressure on the sealing ring 34 in front of the outlet port loads.
  • the CO 2 compressed gas source is provided with an overpressure protection, which is effective when the pressure regulating valve fails and CO 2 passes under uncontrolled high pressure in the headspace of the container.
  • thermoplastic elastomer As an overpressure protection, thermoplastic elastomer (TPE) is injection-molded on the wall of the housing 10 close to the bunghole, the lot of least material thickness of which forms a membrane 36 buried in the wall.
  • the membrane 36 communicates with the outer surface of the piercing of the CO 2 cartridge 14 not yet actuated knob 20 in flush contact. It is placed between two adjacent threads of the external thread 22 on the knob 20.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (7)

  1. Récipient apte à être rempli de liquide, à être fermé de manière étanche sous pression et duquel le liquide peut être prélevé,
    le récipient présentant
    une garniture qui peut être fixée de manière étanche dans une ouverture du récipient,
    une cartouche (14) de CO2 sous haute pression,
    une soupape de régulation de pression qui permet d'en extraire le CO2,
    un organe d'actionnement accessible de l'extérieur et dont l'actionnement permet de percer la cartouche (14) de CO2 sous haute pression et
    une protection contre les surpressions qui, en cas d'augmentation indésirable de la pression dans le récipient, libère un parcours d'écoulement entre l'espace de tête du récipient et l'atmosphère par l'intermédiaire de la garniture,
    la protection contre les surpressions se rompant après dépassement d'une pression intérieure à laquelle le récipient se bombe visiblement mais avant que soit atteinte la pression intérieure à laquelle le récipient explose,
    caractérisé en ce que
    la partie ruptible de la protection contre les surpressions est une membrane (36) placée sur la paroi d'un boîtier (10) par lequel la garniture pénètre dans le récipient.
  2. Récipient selon la revendication 1, caractérisé en que le parcours d'écoulement passe par un défaut d'étanchéité de l'organe d'actionnement.
  3. Récipient selon les revendications 1 ou 2, caractérisé en ce que la protection contre les surpressions reste inactive avant la perforation de la cartouche (14) de CO2 sous haute pression et peut être activée lors de la perforation de la cartouche (14) de CO2 sous haute pression.
  4. Récipient selon l'une des revendications 1 à 3, caractérisé en ce que la protection contre les surpressions se rompt à une pression intérieure de 0,4 à 0,9 MPa (4,0 à 9,0 bar), de préférence de 0,45 à 0,7 MPa (4,5 à 7,0 bar) et de façon encore plus préférable de 0,5 à 0,6 MPa (5,0 à 6,0 bar).
  5. Récipient selon l'une des revendications 1 à 4, caractérisé en ce que la membrane s'appuie sur l'organe d'actionnement avant la perforation de la cartouche (14) de CO2 sous haute pression et se libère de l'organe d'actionnement lors de la perforation de la cartouche (14) de CO2 sous haute pression.
  6. Récipient selon l'une des revendications 1 à 5, caractérisé en ce que la membrane (36) vient s'enfoncer dans la garniture.
  7. Récipient selon l'une des revendications 1 à 6, caractérisé en ce que la membrane (36) est constituée d'une matière synthétique élastique.
EP07009281A 2007-05-09 2007-05-09 Récipient contenant une source de gaz sous pression de CO2 et protection anti-surpression Not-in-force EP1990309B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP07009281A EP1990309B1 (fr) 2007-05-09 2007-05-09 Récipient contenant une source de gaz sous pression de CO2 et protection anti-surpression
JP2010506843A JP2010526263A (ja) 2007-05-09 2008-05-06 Ｃｏ２圧縮ガス源と超過圧力保護手段とを有する容器
EA200971039A EA200971039A1 (ru) 2007-05-09 2008-05-06 Резервуар с источником сжатого углекислого газа и защитой от разрыва при избыточном давлении
CN200880015437.5A CN101687624B (zh) 2007-05-09 2008-05-06 带有co2压缩气体源和过压开裂保险装置的容器
AU2008250673A AU2008250673A1 (en) 2007-05-09 2008-05-06 Container having CO2 compressed gas source and overpressure burst safeguard
US12/597,140 US20100140265A1 (en) 2007-05-09 2008-05-06 Container having co2 compressed gas source and overpressure burst safeguard
CA002679984A CA2679984A1 (fr) 2007-05-09 2008-05-06 Recipient comportant une source de co2 comprime et une securite a eclatement en cas de surpression
PCT/EP2008/003611 WO2008138513A1 (fr) 2007-05-09 2008-05-06 Récipient comportant une source de co2 comprimé et une sécurité à éclatement en cas de surpression
BRPI0810793-9A2A BRPI0810793A2 (pt) 2007-05-09 2008-05-06 Recipiente com fonte de gás co2 comprimido e proteção contra explosão por sobrepressão.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07009281A EP1990309B1 (fr) 2007-05-09 2007-05-09 Récipient contenant une source de gaz sous pression de CO2 et protection anti-surpression

Publications (2)

Publication Number Publication Date
EP1990309A1 EP1990309A1 (fr) 2008-11-12
EP1990309B1 true EP1990309B1 (fr) 2012-09-26

Family

ID=38484452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07009281A Not-in-force EP1990309B1 (fr) 2007-05-09 2007-05-09 Récipient contenant une source de gaz sous pression de CO2 et protection anti-surpression

Country Status (9)

Country Link
US (1) US20100140265A1 (fr)
EP (1) EP1990309B1 (fr)
JP (1) JP2010526263A (fr)
CN (1) CN101687624B (fr)
AU (1) AU2008250673A1 (fr)
BR (1) BRPI0810793A2 (fr)
CA (1) CA2679984A1 (fr)
EA (1) EA200971039A1 (fr)
WO (1) WO2008138513A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201508263D0 (en) * 2015-05-14 2015-06-24 Emmerald Polymers Ltd Pressure vessel
US9919910B2 (en) * 2016-02-23 2018-03-20 John Delano Gibson Fluid pressurization and dispensing system
IL255921A (en) * 2017-11-26 2018-01-31 Wilder Haim Adapter for a pressurized gas container
CN109515955B (zh) * 2018-10-23 2020-05-05 塔罗斯科技股份有限公司 一种打酒器
US11692671B2 (en) * 2020-05-07 2023-07-04 Numat Technologies, Inc. Apparatus and method for dispensing gas from a storage vessel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072816A (en) * 1935-07-05 1937-03-02 Walter Kidde Sales Company Valve for aerating liquid vessels
NL1019562C2 (nl) * 2001-12-13 2003-06-17 Heineken Tech Services Klepsamenstel voor gebruik bij drankafgifte.
NL1023968C2 (nl) * 2003-07-21 2005-01-24 Heineken Tech Services Drukregelaar voor houder voor koolzuurhoudende drank.
GB0411288D0 (en) * 2004-05-20 2004-06-23 Interbrew Sa Alcohol beverage apparatus having a bursting disk
DK1763486T3 (da) * 2004-06-25 2009-05-18 Impress Group Bv Engangstaphane til en væskebeholder, som står under tryk
DE102004047252A1 (de) 2004-09-29 2006-04-13 Kurt Oberhofer Flüssigkeitsbehälter
EP1688813A1 (fr) * 2005-02-02 2006-08-09 Impress GmbH & Co. oHG Régulateur de pression avec dispositif de perçage pour cartouche de gas étant montable à l'intérieur de la fermeture d'un fût

Also Published As

Publication number Publication date
BRPI0810793A2 (pt) 2014-10-29
EP1990309A1 (fr) 2008-11-12
AU2008250673A1 (en) 2008-11-20
US20100140265A1 (en) 2010-06-10
JP2010526263A (ja) 2010-07-29
CA2679984A1 (fr) 2008-11-20
EA200971039A1 (ru) 2010-04-30
CN101687624B (zh) 2013-02-27
WO2008138513A1 (fr) 2008-11-20
CN101687624A (zh) 2010-03-31

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