WO2000069746A1 - Recipient a boisson - Google Patents

Recipient a boisson Download PDF

Info

Publication number
WO2000069746A1
WO2000069746A1 PCT/GB2000/001704 GB0001704W WO0069746A1 WO 2000069746 A1 WO2000069746 A1 WO 2000069746A1 GB 0001704 W GB0001704 W GB 0001704W WO 0069746 A1 WO0069746 A1 WO 0069746A1
Authority
WO
WIPO (PCT)
Prior art keywords
insert
beverage
beverage container
valve
container
Prior art date
Application number
PCT/GB2000/001704
Other languages
English (en)
Inventor
Karl Mondszein
Mark Philip Radford
Sian Bronwyn Gastall
Original Assignee
Whitbread Plc
A L Group Wheaton Fibrenyl-Sutton
Heineken Technical Services B.V.
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 Whitbread Plc, A L Group Wheaton Fibrenyl-Sutton, Heineken Technical Services B.V. filed Critical Whitbread Plc
Priority to AU45894/00A priority Critical patent/AU760741B2/en
Priority to CA002373287A priority patent/CA2373287C/fr
Priority to AT00927494T priority patent/ATE252496T1/de
Priority to JP2000618177A priority patent/JP2002544082A/ja
Priority to PT00927494T priority patent/PT1185465E/pt
Priority to US09/979,895 priority patent/US7228789B1/en
Priority to NZ515012A priority patent/NZ515012A/en
Priority to DK00927494T priority patent/DK1185465T3/da
Priority to EP00927494A priority patent/EP1185465B1/fr
Priority to DE60006107T priority patent/DE60006107T2/de
Publication of WO2000069746A1 publication Critical patent/WO2000069746A1/fr

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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B65D85/73—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials with means specially adapted for effervescing the liquids, e.g. for forming bubbles or beer head

Definitions

  • This invention relates to a beverage container for a carbonated beverage which enables a close-knit creamy head to be formed on the beverage as it is dispensed so that it has an appearance similar to that of a beverage dispensed from draught .
  • Such an appearance can be achieved by causing shear of the beverage. This encourages the liberation of small bubbles from the beverage and these gradually separate out to form the close-knit creamy head. It is well known that shear of the beverage can be caused by jetting fluid into the beverage in the container.
  • GB-A-1, 266, 351 discloses a container which includes an inner secondary chamber which is pre-pressurised with gas. The chamber is initially sealed with a soluble plug which dissolves shortly after filling the container with beverage, when the pressure in the container is similar to that in the secondary chamber. A small orifice is included in the secondary chamber, and fluid is jetted from the secondary chamber via the orifice into the main body of the container causing the liberation of the required small bubbles in the beverage .
  • GB-A-2, 183 , 592 discloses a container including a separate hollow insert having an orifice in its side wall.
  • beverage is introduced into the hollow insert through the orifice.
  • beverage from the insert is jetted through the orifice into the beverage in the container again causing shear of the beverage.
  • O-A-91/07326 discloses a system in which an insert which jets gas only into the beverage in the main body of the container is pre-pressurized with gas and includes closure means.
  • the closure means remains sealed before filling and during the container filling operation but when the beverage container is subsequently opened, de-pressurization of the beverage container results in the insert releasing a surge of gas from a restricted orifice into the beverage to "seed" the required nucleation of dissolved gas bubbles to produce the required rich creamy foam. Since the insert is sealed at all material times before the container is finally opened by the consumer the container and insert combination can be filled as easily, simply and quickly as conventional container.
  • Examples of the closure means includes a burst disc and a pressure responsive valve.
  • a disadvantage of this type of system is that the insert may contain a residual pressure after the container has been emptied. There is a risk a consumer will cut open the empty container and thus be able to interfere with a pressurised insert.
  • WO-A-91/07326 discloses a very large number of ways in which the pressurized gas insert can be formed and mounted within the beverage container.
  • the insert is mounted so that, in use, it is located at a fixed position.
  • the insert floats in the liquid in the container.
  • GB-A-2280887 discloses a carbonated beverage container including a floating hollow insert having a first duckbill valve arranged to allow gas to enter the insert, and a second duckbill valve arranged to allow gas to be jetted from the insert.
  • the insert is arranged to float on the beverage wita the first valve in a headspace above the beverage, and with the second valve below the surface of the beverage.
  • the insert of GB-A-2280887 does not have to be pre- pressurized. As the insert floats on the beverage, the insert may be dropped into the container before or after filling, and therefore the assembly of the container and insert is much simpler than for containers in which the insert is fixed in the container. As the insert floats, the problems of orientation, including gas not being jetted into the beverage, and beverage entering the insert, which are associated with fixed inserts, are overcome. Further, the nature of the containers is not critical since it is not necessary to form an interference fit with them, or adapt them specifically to hold the insert at a particular location.
  • the use of duckbill valves through which fluid is jetted in the insert of GB-A-2280887 is particularly beneficial.
  • the size of the aperture through which the fluid is jetted varies with the pressure difference across the valve and the nature of the fluid being jetted. This variation in the size of the aperture ensures the fluid jetting into the beverage causes optimum shear. This allows the volume of fluid required for jetting into the beverage to be reduced when compared to the volume required when jetting through a fixed size orifice.
  • the insert of GB-A-2280887 may be moulded from a plastics material such as polypropylene, or be formed of metal such as lacquered aluminium, lacquered tin plate, polymer coated aluminium, polymer coated tin plate or tin free steel.
  • the duckbill valves are manufactured from a thermoplastic elastomer (TPE) , for example a styrene- ethylene-butylene-styrene block co-polymer, and are mounted in holes in the wall of the insert. This complicates assembly of the insert and there is a danger that the valves may become separated from the insert and be swallowed.
  • TPE thermoplastic elastomer
  • GB-A-2292708 describes a method of manufacturing TPE duckbill valves in which the slit is formed by fluid pressure.
  • a beverage container for a carbonated beverage includes a floating hollow insert comprising an upper moulding and a lower moulding defining a chamber for containing gas, means including a one-way duck-bill type valve being arranged to allow gas to enter the chamber and to exit the chamber and be jetted into the beverage upon opening the beverage container is characterised in that the one-way duckbill type valve is integrally formed with at least one of the mouldings.
  • a floating hollow insert for use in a beverage container for a carbonated beverage comprises an upper moulding and a lower moulding defining a chamber for containing gas, means including a one-way duck-bill type valve integrally formed with at least one of the mouldings, the means being arranged to allow gas to enter the chamber and to exit the chamber and be jetted into the beverage upon opening the beverage container.
  • the insert As the insert allows gas to enter to pressurise the insert, the insert need not be pre-pressurised. Gas may enter the insert through a gas permeable membrane, hole but preferably through a second one-way valve.
  • a first duckbill valve is integrally formed with the upper moulding, and is arranged LO allow gas to enter the chamber, and a second duckbill valve is integrally formed with the lower moulding to allow gas to be jetted into the beverage.
  • the variation in the size of the aperture of the duckbill valve with pressure ensures the gas is jetted at a substantially constant velocity.
  • the insert is arranged to float on the beverage with the first duckbill valve in a headspace above the beverage, and with the second duckbill valve below the surface of the beverage .
  • the first duckbill valve may have a pre-loading, which requires the pressure difference across the valve to exceed a pre-determined level for the valve to open. In this way, after the insert has been pressurized, in the unlikely event of the first duckbill valve being submerged below the surface of the beverage, a small pressure difference across the valve created as a result of its immersion for example does not open the valve, and therefore no beverage enters the insert .
  • the insert is made from a plastics material, and the duckbill valves comprise an elongate slit.
  • the insert is made from a thermoplastic polymer such as nylon, PET or polyethylene, but polypropylene is preferred.
  • the polypropylene duckbill valves of the present invention do not open under pressure to give an elliptical orifice, as do the prior art TPE valves.
  • the thin slit causes sufficient shear of the beverage on jetting, even if a wide slit is used. Because a wider slit can be used, the slit can have a greater area when open and a faster response time. Typically, a slit of 2 to 7mm wide is used, which is wider than typical prior art TPE valves.
  • Gas passage through the slit is substantially instantaneous compared to TPE valves which require about a second to fully charge and vent during flushing of the container with inert gas to remove oxygen before filling with beverage. Furthermore, manufacture of the valves is easier than TPE duckbill valves, as the slit can be formed directly during the moulding cycle and does not require a separate slitting process as with TPE duckbills.
  • the two parts of the insert are joined by hot plate welding or ultrasonic welding although they may be snap-fitted together.
  • the first duckbill valve is formed at the bottom of a down pipe extending into the chamber so that the bottom of the down pipe is adjacent the second duckbill valve. This feature ensures the insert does not fill with beverage in the event that valve leakage occurs .
  • the second duckbill valve protrudes from the insert and is surrounded by a protective skirt.
  • the upper moulding has a generally hemispherical domed shape, and the lower moulding is generally flat.
  • the lower moulding is preferably formed from thicker material than the upper moulding. This keeps the insert floating the correct way up with the second duckbill valve below the surface of the beverage, and provides good stability.
  • the generally flattened shape of the lower moulding reduces the floatation height compared to a sphere of the same volume, hence minimising the extra space required in the top of a can to accommodate the insert.
  • Thi, design feature enables use of significantly less material than a simple spherical device of similar volume. Typically with this design a 10 ml volume device can weigh only 2.0 g compared to a similar commercial device weighing 3.5 g. A spherical device of only 2.0 g would float too high above the beverage surface . This device has the smaller volume and floats lower.
  • the inside surface of the lower moulding is shaped to slightly slope towards the second duckbill valve. This ensures drainage of any liquid out of the insert which enters during filling or dosing of the can.
  • the effective volume of the inside of the insert is preferably between 1 and 20 ml, depending upon the size of the container, and the type of beverage, but more preferably the volume is approximately 10 ml.
  • Figure 2 shows in cross-section the upper and lower mouldings of an insert for use in a container according to the present invention before welding;
  • Figure 3 shows an assembled insert for use in a container according to the present invention
  • Figure 4 shows a beverage container according to the present invention.
  • Figure 1 shows a cross section of an insert for use in a container according to the present invention.
  • the insert 1 is formed from an upper moulding 2, and a lower moulding 3 which are hot plate welded together.
  • Figure 2 shows the two mouldings 2, 3 prior to welding.
  • a first duckbill valve 4 is integrally formed with the upper moulding 2
  • a second duckbill valve 5 is integrally formed with the lower moulding 3.
  • the first duckbill valve is formed at the end of a down pipe 6 which extends from the top of the insert to a point adjacent the second duckbill valve 5.
  • the down pipe 6 prevents the insert from filling with liquid above the level of the first duckbill valve in the event that valve leakage occurs.
  • the second valve 5 is surrounded by a protective skirt 10.
  • Figure 3 shows a complete insert 1.
  • Figure 4 illustrates a beverage container 11 according to the present invention.
  • the insert 1 When filling the container 11, the insert 1 is dropped into the container 11, and the container 11 and insert 1 are together flushed with inert gas to remove any oxygen from the inside of both container 11 and insert 1.
  • the container 11 is then filled with carbonated beverage 12, dosed with liquid nitrogen, and sealed. After sealing the container 11, the contents are heated to pasteurise the beverage.
  • the pressure in the container 11 increases.
  • the increase in pressure causes the first duckbill valve 4 to open and gas from the headspace to enter the insert 1.
  • the internal pressure of the insert 1 does not exceed the internal pressure of the container 11, so the second duckbill valve 5 remains closed.
  • the beverage 12 cools and the internal pressure of the container 11 decreases.
  • the internal pressure of the insert 1 then exceeds the internal pressure of the container 11, and the second duckbill valve 5 opens allowing gas from the insert 1 to be ejected into the beverage 12. In this way, the internal pressure of the container 11 and the insert 1 remain in equilibrium.
  • the internal pressure of the container 11 Upon opening of the container 11, the internal pressure of the container 11 rapidly vents to atmospheric pressure. At this time, the internal pressure of the insert 1 is higher than that of the container 11, and accordingly gas from the insert 1 is jetted into the beverage 12 via the second duckbill valve i> .
  • the jet of gas causes shear in the beverage 12 with a resulting liberation of a number of small bubbles which, as they rise through the beverage 12 in the container 11, form nucleation sites which trigger the liberation of further small bubbles throughout the beverage 12.
  • the bubbles from the top surface of the beverage 12 are intimately mixed with the remainder of the beverage as it is dispensed.
  • the insert 1 with integral duckbill valves 4,5 is made from polypropylene. Each valve 4,5 is formed from an elongate slit 7 defined by lips 8, 9. The valve 5 allows fluid to flow through the elongate slit 7 by forcing the lips 8, 9 apart. Fluid is prevented from flowing in the reverse direction as the lips 8, 9 are forced together.
  • a duckbill valve 5 for jetting gas into the beverage is especially beneficial since, as the pressure difference between the inside of the insert 1 and the inside of the container 11 reduces, the size of the aperture of the duckbill valve 5 also reduces, and the velocity of gas jetted into the beverage 12 remains substantially constant until the internal pressures of the insert 1 and container 11 are substantially the same.
  • the velocity of the jet of gas remains constant for a longer period than when jetted through a simple orifice. Accordingly, the volume of gas needed to give the required jetting velocity for the required duration to shear the beverage is smaller than is necessary where the fluid is jetted through a simple orifice.
  • the use of polypropylene duckbill valves 4,5 is also particularly advantageous.
  • the valves 4, 5 do not open under pressure to give a full circular orifice, as do the prior art TPE valves.
  • the thin slit 7 causes sufficient shear of the beverage on jetting, even if a long slit is used. Because a longer slit can be used, the slit 7 can have a greater area when open and a faster response time. Manufacture of the valves is also easier than TPE duckbill valves, as the slit can be formed directly during the moulding cycle and does not require a separate slitting operation as with TPE duckbills.
  • the lower moulding 3 of the insert 1 is made with a greater wall thickness than the upper moulding 2 so that the insert 1 tends to float with the lower moulding 3 lowermost since the plastics material has a negative buoyancy.
  • the upper moulding 2 has a generally hemispherical shape, and the lower moulding 3 is generally flat . This reduces the floatation height compared to a sphere of the same volume, hence minimising the extra space required in the top of a can to accommodate the insert .
  • the upper and lower mouldings 2 , 3 are illustrated as connected together such that the slits 7 of the two duckbill valves 4, 5 are aligned, the upper and lower mouldings 2, 3 may be connected such that the slits are orientated at any angle to each other.
  • the internal volume of the insert 1 depends upon the beverage contained in the container, but is typically approximately 10 ml.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Closures For Containers (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Packages (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Table Devices Or Equipment (AREA)

Abstract

L'invention concerne un récipient à boisson destiné à contenir une boisson gazeuse et comprenant une structure évidée flottante pourvue d'un objet moulé supérieur (2) et d'un objet moulé inférieur (3) définissant une chambre destinée à contenir du gaz. Ladite structure comprend une première valve anti-reflux (4) en bec de canard entièrement formée par l'objet moulé supérieur (2) à la base d'un tuyau vertical (6) et conçue pour permettre une entrée de gaz dans la chambre, et une seconde valve (5) en bec de canard entièrement formée par l'objet moulé inférieur (3) et conçue pour permettre au gaz de sortir de la chambre et d'être injecté dans la boisson après ouverture du récipient à boisson.
PCT/GB2000/001704 1999-05-18 2000-05-05 Recipient a boisson WO2000069746A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
AU45894/00A AU760741B2 (en) 1999-05-18 2000-05-05 Beverage container
CA002373287A CA2373287C (fr) 1999-05-18 2000-05-05 Recipient a boisson
AT00927494T ATE252496T1 (de) 1999-05-18 2000-05-05 Getränkebehälter
JP2000618177A JP2002544082A (ja) 1999-05-18 2000-05-05 飲料容器
PT00927494T PT1185465E (pt) 1999-05-18 2000-05-05 Recipiente de bebida
US09/979,895 US7228789B1 (en) 1999-05-18 2000-05-05 Beverage container
NZ515012A NZ515012A (en) 1999-05-18 2000-05-05 Beverage container having hollow insert with upper and lower duck-bill valves
DK00927494T DK1185465T3 (da) 1999-05-18 2000-05-05 Drikkevarebeholder
EP00927494A EP1185465B1 (fr) 1999-05-18 2000-05-05 Recipient a boisson
DE60006107T DE60006107T2 (de) 1999-05-18 2000-05-05 Getränkebehälter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99303837A EP1055614A1 (fr) 1999-05-18 1999-05-18 Récipient à boisson
EP99303837.1 1999-05-18

Publications (1)

Publication Number Publication Date
WO2000069746A1 true WO2000069746A1 (fr) 2000-11-23

Family

ID=8241394

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/001704 WO2000069746A1 (fr) 1999-05-18 2000-05-05 Recipient a boisson

Country Status (12)

Country Link
EP (2) EP1055614A1 (fr)
JP (1) JP2002544082A (fr)
AT (1) ATE252496T1 (fr)
AU (1) AU760741B2 (fr)
CA (1) CA2373287C (fr)
DE (1) DE60006107T2 (fr)
DK (1) DK1185465T3 (fr)
ES (1) ES2208323T3 (fr)
NZ (1) NZ515012A (fr)
PT (1) PT1185465E (fr)
WO (1) WO2000069746A1 (fr)
ZA (1) ZA200108531B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100853473B1 (ko) 2007-02-20 2008-08-21 주식회사 롤팩 휴대용 압축 백과 그 제조방법
US8007880B2 (en) 2002-12-16 2011-08-30 Ball Packaging Europe Gmbh Insert for a pressurized container of liquid
US8469221B2 (en) 2004-07-09 2013-06-25 Ball Packaging Europe Gmbh Floating multi-chambered insert for liquid containers
US10274095B2 (en) 2013-11-29 2019-04-30 Koninklijke Philips N.V. Valve and manufacturing method for manufacturing the valve

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0324772D0 (en) * 2003-10-24 2003-11-26 Farm Produce Marketing Ltd Floating insert
US10051874B2 (en) 2015-05-06 2018-08-21 La Colombe Torrefaction, Inc. Foaming pressurized beverage
WO2016179483A2 (fr) * 2015-05-06 2016-11-10 La Colombe Torrefaction, Inc. Moussage de boisson sous pression
JP6932445B2 (ja) * 2017-07-31 2021-09-08 株式会社吉野工業所 発泡用ウィジェット
JP6973936B2 (ja) * 2018-01-31 2021-12-01 株式会社吉野工業所 発泡用ウィジェット
JP7179421B2 (ja) * 2019-01-30 2022-11-29 株式会社吉野工業所 発泡用ウィジェット付きキャップ、及び容器

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1266351A (fr) 1969-01-27 1972-03-08
GB2183592A (en) 1985-11-29 1987-06-10 Guinness Son & Co Ltd A Carbonated beverage container
WO1991007326A1 (fr) 1989-11-22 1991-05-30 Whitbread Plc Recipient pour boisson gazeuse
WO1993009055A1 (fr) * 1991-11-05 1993-05-13 Scottish & Newcastle Plc Production d'une dispersion moussante de bulles
GB2272199A (en) * 1992-11-10 1994-05-11 Guinness Brewing Worldwide Beverage package
GB2280887A (en) 1993-08-12 1995-02-15 Whitbread & Co Ltd Beverage container
GB2286379A (en) * 1994-01-21 1995-08-16 Whitbread & Co Ltd Insert for beverage container
GB2292708A (en) 1994-08-15 1996-03-06 Whitbread & Co Ltd Manufacture of duckbill valves
GB2310190A (en) * 1996-02-17 1997-08-20 Lawson Mardon Liquid foaming insert
GB2322614A (en) * 1997-02-27 1998-09-02 Lawson Mardon Foam-Producing Insert

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1266351A (fr) 1969-01-27 1972-03-08
GB2183592A (en) 1985-11-29 1987-06-10 Guinness Son & Co Ltd A Carbonated beverage container
WO1991007326A1 (fr) 1989-11-22 1991-05-30 Whitbread Plc Recipient pour boisson gazeuse
WO1993009055A1 (fr) * 1991-11-05 1993-05-13 Scottish & Newcastle Plc Production d'une dispersion moussante de bulles
GB2272199A (en) * 1992-11-10 1994-05-11 Guinness Brewing Worldwide Beverage package
GB2280887A (en) 1993-08-12 1995-02-15 Whitbread & Co Ltd Beverage container
GB2286379A (en) * 1994-01-21 1995-08-16 Whitbread & Co Ltd Insert for beverage container
GB2292708A (en) 1994-08-15 1996-03-06 Whitbread & Co Ltd Manufacture of duckbill valves
GB2310190A (en) * 1996-02-17 1997-08-20 Lawson Mardon Liquid foaming insert
GB2322614A (en) * 1997-02-27 1998-09-02 Lawson Mardon Foam-Producing Insert

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8007880B2 (en) 2002-12-16 2011-08-30 Ball Packaging Europe Gmbh Insert for a pressurized container of liquid
US8469221B2 (en) 2004-07-09 2013-06-25 Ball Packaging Europe Gmbh Floating multi-chambered insert for liquid containers
KR100853473B1 (ko) 2007-02-20 2008-08-21 주식회사 롤팩 휴대용 압축 백과 그 제조방법
US10274095B2 (en) 2013-11-29 2019-04-30 Koninklijke Philips N.V. Valve and manufacturing method for manufacturing the valve

Also Published As

Publication number Publication date
NZ515012A (en) 2003-09-26
EP1185465B1 (fr) 2003-10-22
ZA200108531B (en) 2002-10-17
PT1185465E (pt) 2004-03-31
EP1185465A1 (fr) 2002-03-13
AU760741B2 (en) 2003-05-22
AU4589400A (en) 2000-12-05
DE60006107D1 (de) 2003-11-27
EP1055614A1 (fr) 2000-11-29
ES2208323T3 (es) 2004-06-16
CA2373287A1 (fr) 2000-11-23
DE60006107T2 (de) 2004-04-22
ATE252496T1 (de) 2003-11-15
JP2002544082A (ja) 2002-12-24
CA2373287C (fr) 2009-01-06
DK1185465T3 (da) 2004-02-23

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