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WO2018172913A1 - Fût transparent destiné à des aliments liquides - Google Patents

Fût transparent destiné à des aliments liquides Download PDF

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Publication number
WO2018172913A1
WO2018172913A1 PCT/IB2018/051826 IB2018051826W WO2018172913A1 WO 2018172913 A1 WO2018172913 A1 WO 2018172913A1 IB 2018051826 W IB2018051826 W IB 2018051826W WO 2018172913 A1 WO2018172913 A1 WO 2018172913A1
Authority
WO
WIPO (PCT)
Prior art keywords
keg
filling
inner bag
transparent
pressure
Prior art date
Application number
PCT/IB2018/051826
Other languages
English (en)
Inventor
Andrea MORATTI
Original Assignee
Keg Solutions S.R.L.
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 Keg Solutions S.R.L. filed Critical Keg Solutions S.R.L.
Publication of WO2018172913A1 publication Critical patent/WO2018172913A1/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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/30—Filling of barrels or casks

Definitions

  • the object of the present invention is a disposable keg for liquid foods.
  • the present invention is generally applicable to the technical field of beverage distribution systems, in particular for beer, wine and soft drinks.
  • valve means for the dispensing of the liquid food contained inside the bag.
  • these valve means include a system for injecting a fluid under pressure into the gap between the outer container and the inner bag, so as to compress the latter, promoting the outflow of the liquid food.
  • the outer container or at least the inner bag, is made of dark polymeric material or "barrier-coated" multilayer film material with an aluminum layer to avoid any exposure to light and the so-called “lightstruck flavor".
  • a keg made of dark and opaque material does not allow the filling of the inner bag to be monitored visually, which could in the end be filled with foam instead of beer.
  • the object of the present invention is to overcome the drawbacks noted above for the known kegs, providing a disposable keg having features of high functionality, simplicity of construction and low cost.
  • Another object of the present invention is to provide a keg which ensures that any exposure to light and the so-called “lightstruck flavor” are avoided, while allowing the filling of the inner bag to be monitored visually .
  • figure 1 shows a transparent keg for liquid foods according to the present invention, completely empty
  • FIG. 3 shows the keg of figure 1 provided with valve means 4 for filling the inner bag 2 with the liquid food and the subsequent delivery of the liquid food contained inside the bag 2;
  • figure 4 shows the filling system 6 of the keg according to the present invention
  • FIG. 5 shows the distribution system 7 of the keg according to the present invention.
  • the "disposable" keg 1 will be advantageously usable for the distribution of beverages L, for example beer, wine, fruit juice, soft drinks.
  • the keg 1 essentially comprises an outer container 3 and a deformable bag 2 arranged internally therein.
  • the inner bag 2 is a deformable bag, made of multilayer polymeric material, which may be filled with a liquid food.
  • the outer container 3 is a rigid shell made of blow- molded polymeric material.
  • the keg 1 also comprises valve means 4 adapted to allow both the filling of the bag 2 with the liquid food and the subsequent dispensing of the liquid food contained inside the bag 2.
  • the valve means 4 permit the entry of a working fluid F, for example carbon dioxide or compressed air, into the gap 7 between the outer container 3 and the deformable bag 2, in addition to the passage (loading and unloading) of the liquid food L from inside the deformable bag 2 outwards, and vice versa.
  • a working fluid F for example carbon dioxide or compressed air
  • valve means are connectable with a coupling 19 (preferably of the bayonet type) , provided with an inlet 192 for the liquid food L and an inlet 193 for the working fluid F, and an inlet 194 for connecting with the valve means 4.
  • a coupling 19 preferably of the bayonet type
  • the coupling 19 comprises a pressure regulator 197, suitable for measuring and/or regulating the pressure of the working fluid F.
  • the keg 1 may be installed in a filling system 6 at breweries, cellars or similar, as shown in figure 4.
  • the filling system 6 comprises: a pressurized barrel 61 containing the liquid food L (for example beer), connected to a load line 62 of the liquid food L for filling the inner bag 2 of the keg 1; a counter-pressure line 63, connected to counter-pressure means 64, for injecting a pressurized fluid F (generally air) into the gap 7 between the outer container 3 and the inner bag 2.
  • a pressurized barrel 61 containing the liquid food L for example beer
  • a load line 62 of the liquid food L for filling the inner bag 2 of the keg 1
  • counter-pressure line 63 connected to counter-pressure means 64, for injecting a pressurized fluid F (generally air) into the gap 7 between the outer container 3 and the inner bag 2.
  • the keg 1 may be installed in a distribution system 7 in public premises, such as bars, breweries, cellars, restaurants, or similar, to tap measured out amounts of liquid by means of a tapping device 65, as shown in figure 5.
  • the distribution system 7 comprises: a pressure vessel 68 of a working fluid F (generally air) connected to a pressure line 67 for the supply of the pressurized fluid F in the gap 7 between the outer container 3 and the inner bag 2; a discharge line 66 of the liquid food L contained in the inner bag 2 of the keg 1 for supplying the liquid food L to the tapping device 65.
  • a working fluid F generally air
  • the working fluid F compresses the deformable bag 2 from the outside to allow the liquid to rise up along a suction line 8 (or cannula) in fluid communication with the discharge line 66 via the valve means 4.
  • the deformable inner bag 2 may be made of a multilayer material which includes at least a first layer of food-grade polymeric material, for example polyethylene (PE) , at least a second layer of polymeric material, for example, polyamide (PA) .
  • PE polyethylene
  • PA polyamide
  • the outer container 3 may be made of polyethylene terephthalate (PET) .
  • the preform will be obtained from polyethylene terephthalate granules, which, by blow molding, will create the new outer container 3 for the new keg 1.
  • Figures 1 and 2 show that the keg 1 is transparent or semitransparent : i.e., the inner bag 2 and the outer container 3 are made of transparent or semitransparent material which allows one to see the liquid food L present inside the inner bag 2.
  • Such solution enables the inner bag to be monitored visually, so as to avoid, by appropriately adjusting the feed rate of the liquid food into the inner bag 2, the formation of foam, which would result in partial or in any case not optimal filling of the keg 1.
  • the polymeric material used to make the inner bag 2 or the outer container 3 (or both) is loaded with a UV radiation- absorbing additive.
  • the outer container 3 is completely transparent and also the inner bag 2 is completely transparent, so as to allow visibility of the liquid contained inside both during the entire filling operation of the inner bag 2, and when the keg is stored.
  • This is particularly advantageous when the liquid contained is beer because it allows color variations of the beer to be monitored over time and allows the filling to be monitored from the initial stages.
  • only the polymeric material used to make the inner bag 2 is loaded with a UV radiation- absorbing additive.
  • only the polymeric material used to make the outer container 3 is loaded with a UV radiation-absorbing additive.
  • both the polymeric material used to make the inner bag 2 and the polymeric material used to make the outer container 3 are loaded with a UV radiation-absorbing additive.
  • the additive is adapted to create a barrier to UV radiation, in particular those wavelengths between 300 and 380 nm, which are the most energetic.
  • the additive is adapted to absorb harmful UV rays by applying a protective filter to the contents of the keg, which otherwise would be altered by light.
  • the additive is adapted to make the inner bag 2 or the outer container 3 (or both) , impermeable to UV radiation.
  • the additive is present in a percentage by weight between 0.1% and 10%, preferably between 0.5% and 10%, and even more preferably between 1.5% and 5%.
  • the additive comprises Poly (oxy-1 , 2-ethanediyl ) , . alpha- [4- ( 3-butoxy-2-cyano-3- oxo-l-propen-l-yl ) . -2-methoxyphenyl ] - . omega . -hydroxy .
  • the additive comprises bis-4H-3,l- benzoxazin-4-one, 2 , 2 ' - ( 1 , 4-phenylene ) , preferably in a percentage between 5% and 20% by weight of the additive.
  • the additive comprises Poly(oxy- 1 , 2-ethanediyl ) , . alpha- [4- ( 3-butoxy-2-cyano-3-oxo-l- propen-l-yl ) -2-methoxyphenyl ]-. omega . -hydroxy and bis-4H- 3, l-benzoxazin-4-one, 2 , 2 '-( 1 , 4-phenylene ) in a percentage by weight between 0.1% and 0.25% of the total polymeric material, preferably of the total PET. This allows adequate protection against UV rays especially in containers containing beer.
  • the Applicant has experimentally verified the UV absorption properties of an outer container 3 for a keg 1 (for example for beer) made of polyethylene terephthalate (PET) with the addition of a UV radiation-absorbing additive .
  • a keg 1 for example for beer
  • PET polyethylene terephthalate
  • the outer container 3 for a keg 1 thus prepared has been tested using the "visible and near UV transmittance" test.
  • the light transmission curve in the near UV and visible region was then recorded by optical measurement conducted with a PERKIN ELMER UV/VIS spectrophotometer.
  • the test shows that the sample (i.e. the outer container 3) totally absorbs UV rays.
  • An object of the present invention is also a visible filling method of a transparent keg which allows the filling of the inner bag 2 to be monitored in an optimal way without foam being formed.
  • Such filling method provides for the following steps :
  • a transparent keg 1 comprising a transparent outer container 3, a transparent deformable bag 2 arranged inside the latter, and valve means 4 for filling the bag 2 with the liquid food L;
  • a counter-pressure line 63 connected to counter-pressure means 64, for the injection of a pressurized working fluid F (generally air or carbon dioxide) the pressure of the working fluid called PC) in the gap 7 between the outer container 3 and the inner bag 2.
  • a pressurized working fluid F generally air or carbon dioxide
  • PC the pressure of the working fluid called PC
  • the method provides for:
  • the method before activating the counter-pressure means 64, the method provides for:
  • a coupling 19 (preferably of the bayonet type) , provided with an inlet 192 for the liquid food L and an inlet 193 for the working fluid F, and an inlet 194 connecting with the valve means 4 ;
  • the method provides for measuring and/or regulating the PC pressure of the working fluid F by means of a pressure regulator 197 provided on the counter-pressure line 63. [0047] From that which has been described above, it is clear that the invention achieves the intended ob ectives .
  • the transparent keg 1 allows the filling of the inner bag to be monitored visually, avoiding any exposure to light and the so-called "lightstruck flavor”.
  • the transparent keg according to the present invention provides the possibility to know with a quick glance how much and which food product there is inside the inner bag 2, as well as to immediately check for the presence of foam or residues.
  • the transparent keg according to the present invention guarantees the maintenance of all the organoleptic qualities of the product contained therein, including during the tapping stage, leaving the liquid always under vacuum and eliminating any waste related to use .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Abstract

L'invention concerne un fût (1) destiné à des aliments liquides, par exemple à de la bière, comprenant un récipient externe (3), un sac déformable (2) apte à recevoir en son sein un aliment liquide (L) et logé à l'intérieur du récipient externe (3) et un moyen de valve (4) destiné à remplir et à vider le sac (2). Le fût est caractérisé en ce que le sac interne (2) et le récipient externe (3) sont constitués d'un matériau polymère transparent ou semi-transparent, et le sac interne (2) et/ou le récipient externe (3) sont constitués d'un matériau polymère chargé avec un additif absorbant le rayonnement UV. Un tel fût transparent permet de surveiller visuellement le remplissage du sac interne, ce qui évite toute exposition à la lumière et le goût dit "de lumière".
PCT/IB2018/051826 2017-03-20 2018-03-19 Fût transparent destiné à des aliments liquides WO2018172913A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102017000030293A IT201700030293A1 (it) 2017-03-20 2017-03-20 Fusto trasparente per liquidi alimentari
IT102017000030293 2017-03-20

Publications (1)

Publication Number Publication Date
WO2018172913A1 true WO2018172913A1 (fr) 2018-09-27

Family

ID=59521508

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2018/051826 WO2018172913A1 (fr) 2017-03-20 2018-03-19 Fût transparent destiné à des aliments liquides

Country Status (2)

Country Link
IT (1) IT201700030293A1 (fr)
WO (1) WO2018172913A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10427927B2 (en) * 2011-05-05 2019-10-01 Leibinger Gmbh Method for filling a container with a liquid

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389191A1 (fr) * 1989-03-21 1990-09-26 Lambrechts N.V. Récipient pour liquides
US20070157401A1 (en) * 2003-12-23 2007-07-12 Joachim Jandke Method of protecting organic material from light
US20130287979A1 (en) * 2012-04-26 2013-10-31 Sabic Innovative Plastics Ip B.V. Biodegradable thermoplastic compositions
DE102013005243A1 (de) * 2013-03-27 2014-10-02 Maria Soell High Technology Films Gmbh Flachbeutel aus einer mehrschichtigen Kunststofffolie
US20140305079A1 (en) * 2011-11-18 2014-10-16 Advanced Technology Materials, Inc. Closure/connectors for liner-based shipping and dispensing containers and methods for filling liner-based shipping and dispensing containers
US20160145003A1 (en) * 2011-03-01 2016-05-26 Advanced Technology Materials, Inc. Nested blow molded liner and overpack and methods of making same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389191A1 (fr) * 1989-03-21 1990-09-26 Lambrechts N.V. Récipient pour liquides
US20070157401A1 (en) * 2003-12-23 2007-07-12 Joachim Jandke Method of protecting organic material from light
US20160145003A1 (en) * 2011-03-01 2016-05-26 Advanced Technology Materials, Inc. Nested blow molded liner and overpack and methods of making same
US20140305079A1 (en) * 2011-11-18 2014-10-16 Advanced Technology Materials, Inc. Closure/connectors for liner-based shipping and dispensing containers and methods for filling liner-based shipping and dispensing containers
US20130287979A1 (en) * 2012-04-26 2013-10-31 Sabic Innovative Plastics Ip B.V. Biodegradable thermoplastic compositions
DE102013005243A1 (de) * 2013-03-27 2014-10-02 Maria Soell High Technology Films Gmbh Flachbeutel aus einer mehrschichtigen Kunststofffolie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10427927B2 (en) * 2011-05-05 2019-10-01 Leibinger Gmbh Method for filling a container with a liquid

Also Published As

Publication number Publication date
IT201700030293A1 (it) 2018-09-20

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