EP3348517B1 - Ventilanordnung für ein pet-fass - Google Patents

Ventilanordnung für ein pet-fass Download PDF

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Publication number
EP3348517B1
EP3348517B1 EP17853533.2A EP17853533A EP3348517B1 EP 3348517 B1 EP3348517 B1 EP 3348517B1 EP 17853533 A EP17853533 A EP 17853533A EP 3348517 B1 EP3348517 B1 EP 3348517B1
Authority
EP
European Patent Office
Prior art keywords
valve
keg
stem
pet
valve casing
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.)
Active
Application number
EP17853533.2A
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English (en)
French (fr)
Other versions
EP3348517A4 (de
EP3348517A1 (de
Inventor
Sergey Vladimirovich KNYAZEV
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.)
Obschestvo S Orgranichennoy Otvetstvennostiu "kazansky Zavod "europlast"
Original Assignee
Obschestvo S Orgranichennoy Otvetstvennostiu "kazansky Zavod "europlast"
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Application filed by Obschestvo S Orgranichennoy Otvetstvennostiu "kazansky Zavod "europlast" filed Critical Obschestvo S Orgranichennoy Otvetstvennostiu "kazansky Zavod "europlast"
Publication of EP3348517A1 publication Critical patent/EP3348517A1/de
Publication of EP3348517A4 publication Critical patent/EP3348517A4/de
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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
    • B67D1/08—Details
    • B67D1/0829—Keg connection means
    • B67D1/0841—Details
    • B67D1/0845—Security means
    • 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
    • B67D1/0829—Keg connection means
    • B67D1/0831—Keg connection means combined with valves
    • B67D1/0832—Keg connection means combined with valves with two valves disposed concentrically
    • 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 corking constructions intended for polyethylene terephthalate tanks (hereinafter referred to as a "PET keg") and installed on PET keg necks for dispensing, storage and transportation of beverages in a PET keg under pressure.
  • PET keg polyethylene terephthalate tanks
  • PET kegs equipped with valve constructions are used for storage and dispensing of beverages, for example, such as beer.
  • These valve constructions have several channels ensuring flow of liquid and gas.
  • a beverage is filled through the first channel of the valve construction, while the gas, which is forced out from the keg, comes out through the second channel.
  • the gas i. e. nitrogen or carbon dioxide, is injected into a PET keg through the first channel to force out the beverage content from a PET keg through the second channel.
  • the beverage content is dispensed using a dispensing head attached to the valve construction on spring-loaded elements of the valve construction with subsequent opening of channels, one of which is used to supply inert gas under overpressure, and the other is used to dispense the beverage content which is forced out by the gas.
  • the sealing element of the valve construction is intended to maintain the pressure in the PET keg during removal (dismantling) of the dispensing head. As a rule, in the case of dispensing and storage of beer, the overpressure makes about 2.5-3.0 bars. Said pressure is the operating pressure of a PET keg. A PET keg, however, withstands the pressure of about 7-8 bars.
  • a container made of plastics material is known, for example, a PET keg for beverages with a connecting fitting with a seal (patent of the Russian Federation RU2466085 C1 ), wherein the connecting fitting and/or the seal and, consequently, a keg head are structurally designed such that after a certain opening operation, the subsequent automatic closing operation in practice is not carried out completely or is not completed for a non-closable opening remains during the said subsequent automatic closing operation. Said opening ensures that the pressure is reduced in the interior. This means that it is no longer possible for an overpressure to build up in the interior and the potential danger of container rupture consequently no longer applies.
  • the connecting fitting includes a stopper with a predetermined breaking point for the spring-loaded seal.
  • the seal has a predetermined breaking point or is designed with the possibility of deformation during a closing operation to form an opening.
  • Said type of valve prevents a PET keg from destruction not for the entire period of use but only after the previous opening operation with the subsequent automatic closing operation making the further use of a PET keg impossible after opening thereof, i.e. the dispensing head can be put on only once. With the dispensing head removed, the sealing of a PET keg is reduced and it can not be further used, thus making the rest of the product worthless. It should be noted, that it is often necessary to remove the dispensing head when using the PET keg in order to fully empty it, for example, if a failure of the dispensing head or the overall dispensing system has been detected, or if routine sanitation treatment of the dispensing system is being conducted. It should also be noted that the prior art solution does not ensure that the valve prevents a PET keg and product therein from destruction during storage and transportation.
  • a valve for a container according to patent of the Russian Federation for a utility model RU117417U is known with a body made in the form of a sleeve, having a hollow stem mounted therein, an annular gate, spring and cover with the means of connection to connect with the container neck; where the first end of the stem is made open and connected to the bottom of the body, protruding from it, and the second end of the stem is made closed and equipped with a flange; in addition, the stem forming has at least one window; an annular gate which can slide along the tube is installed on the stem between the bottom of the body and the flange of the stem, the central opening of which has an annular shoulder designed such that it can engage with the flange of the stem, and the spring is installed between the annular gate and the bottom of the body; in addition, the body forming has at least one window; the cover, however, is made in the form of a bushing with the means of connection on the interior surface thereof and with an annular shoulder in the channel thereof designed such that the
  • the construction is assembled on the neck of the container by stages.
  • the assembly procedure consists of the placement of the body on the neck of the container using a shoulder provided on the body and a recess provided on the neck of the container, and subsequent installation of other elements, which is completed by the installation of the cover secured with the exterior surface of the neck using a threaded connection or latch assembly.
  • the known construction of the valve does not solve the problem of exceeding overpressure occuring in the case of violating the specifications of production, storage and use of PET kegs filled with beverage content.
  • a valve construction according to the preamble of claim 1 is known from EP 0 890 545 A1 .
  • Other valve constructions are known from WO 95/23112 A1 or EP 0 056 295 A1 .
  • the technical object of the claimed invention is to create a flexible easily producible valve construction for a PET keg providing high reliability, sealing and the possibility of functioning as a relief valve if overpressure inside a PET keg exceeds the maximum permissible value.
  • the technical result consists in obtaining a reliable, easily producible and safely operated valve for a PET keg.
  • valve construction for a PET keg comprising a valve casing with a central opening and the means of connection with the keg neck, a hollow stem, valve element, spring, annular flange; with the first end of the stem made open, and the second end made closed having an annular shoulder; with at least one window in the stem forming, and the valve element installed on the stem and able to slide along thereof, having a central opening or hole with an annular recess designed such that it can engage with the annular shoulder of the stem and the annular shoulder on the exterior surface made such that it can engage with the valve element; and the spring is installed between the valve element and the annular flange; and the valve casing, however, is made in the form of a mushroom and connected to the annular flange using a threaded connection intended for direct installation of the valve on a keg neck; openings for gas flow are provided at the bottom of the annular flange; an annular gasket is provided between the flange and cylindrical surface of
  • the distinction of the claimed invention from the prototype is the fact that the claimed invention can ensure the functioning of the valve element as a valve when dispensing beverages in the normal mode of operation, as a relief valve when overpressure in a PET keg is above the maximum permissible value, and as an actuation indicator of the relief valve.
  • the valve construction comprises the valve casing (1) made in the form of a mushroom with a central opening or hole, the hollow stem (2) installed therein along the longitudinal axis, the valve element (3), the spring (4) and the annular flange (5) providing upward pressure thereto ( Fig. 1 , 2 ).
  • the valve casing (1) comprises the base (7) which may be made both in the form of a circle and in the form of a truncated equilateral triangle having vertices constrained by a circle (see Fig. 5 ), the flange (8), and the cylindrical leg (9). Reinforcement ribs (10) are provided at the joint of the base (7) and the external annular surface of the flange (8). Both the latch assembly ( Fig.3 ) and threaded joint ( Fig.4 ) may be used to connect the valve construction with a PET keg neck.
  • the vanes (11) on the flange (8) are intended to ensure latch engagement with a PET keg neck.
  • the female thread (21) on the flange (8) is intended to ensure a threaded connection with a PET keg neck.
  • the surface of the valve casing has the shoulders (12) to ensure producibility when installing the valve construction on threaded keg necks.
  • the valve casing (1) has a central opening with the annular shoulder (6) engaging with the annular recess (16) of the valve element (3).
  • the annular gasket (20) with a circular cross section is provided in the area between the cylindrical mushroom leg (9) and the flange (8) of the valve casing (1) to ensure the sealing of connection of the valve construction with a PET keg neck.
  • the stem (2) is made hollow and has the form of a tube.
  • the first end of the stem is made open and passes through the opening of the annular flange (5), protruding from it.
  • the second end of the stem (2) is made closed and has the shoulder (13).
  • At least one window (14) is provided in the upper part of the hollow stem (2).
  • valve element (3) having the central opening with the annular recess (15) designed such that it can engage with the shoulder (13) of the hollow stem (2) is installed on the stem (2) and can slide along thereof.
  • the spring (4) installed between the annular flange (5) and the valve element (3) ensures upward pressure of the valve element (3) to the annular shoulder (6) of the valve casing (1).
  • the sealing ring (17) is installed between the valve element (3) and the spring (4) to prevent from pressing-through of material surface of the former.
  • the ring flange (5) is fastened to the valve casing (1) using a threaded connection.
  • the ring flange (5) has the centering vanes (18) and openings for the flow of liquid or gas.
  • valve parts are manufactured using polymeric materials, in particular the valve casing, tube and annular flange of the valve construction are made of polyacetal, and the valve element (3) is made of polymeric materials with 40-60 Shore hardness depending on the required actuation pressure, such as: thermoelastoplast (TEP), or rubber based on ethylene propylene diene monomer (EPDM) rubber, or silicone.
  • TEP thermoelastoplast
  • EPDM ethylene propylene diene monomer
  • silicone silicone
  • the claimed valve construction is installed on the neck (19) of the PET keg. Fastening, however, may be implemented using a threaded connection with the female thread (21) or using a latch assembly formed by the vanes (11).
  • the vanes (11) When using the latch assembly, the vanes (11) enter the groove between the annular shoulders on the exterior surface of a PET keg neck.
  • a dispensing tube is connected to the open end of the hollow stem (2) ensuring dispensing of beverage content.
  • the PET keg is filled as follows:
  • the dispensing head of the dispensing line (not shown) has one or several shoulders which apply pressure onto the open surface of the spring-loaded valve element (3) on the side of the valve casing (1). This initiates opening of the first annular channel between the valve element (3) and the mushroom of the cover (9) as well as the second channel formed by the internal channel of the hollow stem with the open window (14) on the forming thereof.
  • a PET keg is filled with beverage content by means of the second channel, while the gas in the PET keg is forced out through the first channel. After relief of pressure applied to the valve element (3) from the side of the dispensing head, the valve element returns to the initial position, thus blocking the channels.
  • a PET keg filled with beverage content is stored and transported with the valve element (3) closed.
  • the dispensing of liquid from a PET keg is made in the reverse order: the shoulders of the dispensing head (not shown) apply pressure onto the open surface of the spring-loaded valve element (3) from the side of the valve casing (1). This initiates opening of the first annular channel between the valve element (3) and the mushroom of the cover (9), as well as the second channel formed by at least one window (14) on the forming of the hollow stem (2).
  • the keg is supplied with inert gas under overpressure through the first annular channel from an external container, which forces out the liquid in the keg through the tube, hollow stem (2) attached thereto, and window (14) on the forming of the hollow stem (2).
  • valve element (3) is irretrievably pressed out of the valve construction such that it is above the end surface of the valve casing (1) to relieve overpressure, thus preventing the destruction (rupture) of the PET keg.
  • the pressed-out valve element observed visually warns the consumer of valve actuation and unfit of the beverage content for consumption.
  • the pressed-out valve element does not allow to attach the dispensing head to the valve construction, thus preventing possible use of a PET keg with beverage content unsuitable for consumption.
  • the maximum permissible value pressure in the PET keg shall be maintained within 4-6 bars.

Landscapes

  • Closures For Containers (AREA)
  • Devices For Dispensing Beverages (AREA)

Claims (6)

  1. Ventilkonstruktion für ein PET-Fass, umfassend ein Ventilgehäuse (1) mit einer ringförmigen Schulter (6), die eine zentrale Öffnung oder ein Loch des Ventilgehäuses umgibt, wobei das Ventilgehäuse Mittel zur Verbindung mit einem Fasshals (19), einem hohlen Schaft (2), ein Ventilelement (3), eine Feder, einen ringförmigen Flansch (5) umfasst; wobei das erste Ende des Schafts (2) offen ist und das zweite Ende des Schafts (2) mit einer ringförmigen Schulter (13) geschlossen ist, die aus dem Schaft herausragt; der Schaft mindestens ein Fenster (14) darin aufweist; wobei das Ventilelement (3) den Schaft (2) umgibt und entlang dieses verschiebbar ist, wobei das Ventilelement (3) ein Loch darin definiert, das von einer ringförmigen Aussparung (15) umgeben ist, die zum Eingreifen in die ringförmige Schulter (13) des Schafts konfiguriert ist, und wobei die ringförmige Schulter (6) des Ventilgehäuses (1) zum Eingreifen in das Ventilelement (3) konfiguriert ist; und wobei die Feder zwischen dem Ventilelement (3) und dem ringförmigen Flansch (5) installiert ist; dadurch gekennzeichnet, dass das Ventilgehäuse (1) in Form eines Pilzes hergestellt ist, der einen Pilzschaft (9) von zylindrischer Oberfläche umfasst und durch eine Gewindeverbindung mit dem ringförmigen Flansch (5) verbunden ist; dadurch, dass Gasströmungsöffnungen am Boden des ringförmigen Flansches (5) bereitgestellt sind; dadurch, dass eine ringförmige Dichtung (20) zwischen dem ringförmigen Flansch (5) und der zylindrischen Oberfläche des Pilzschafts (9) des Ventilgehäuses (1) bereitgestellt ist, wobei die ringförmige Dichtung (20) die Verbindung des Ventilgehäuses (1) und des Halses (19) des PET-Fasses abdichtet; dadurch, dass das Ventilelement (3) aus einem Polymermaterial mit einer Shore-Härte von 40 bis 60 gefertigt ist; und dadurch, dass, wenn ein Überdruck in einem PET-Fass über einem maximal zulässigen Wert liegt, das Ventilelement (3) unwiederbringlich herausgedrückt wird und über die Endfläche des Ventilgehäuses (1) hinaus ragt, wodurch ein interner Kanal zum Entlasten des Überdrucks und zum Verhindern der Befestigung eines Abgabekopfes zur Ventilkonstruktion gebildet wird.
  2. Ventilkonstruktion für ein PET-Fass nach Anspruch 1, dadurch gekennzeichnet, dass das Ventilelement (3) aus Thermoelastoplast oder Kautschuk basierend auf Ethylen-Propylen-Dien-Monomer-(EPDM)-Kautschuk oder Silikon gefertigt ist.
  3. Ventilkonstruktion für ein PET-Fass nach Anspruch 1, dadurch gekennzeichnet, dass die Außenfläche des Ventilgehäuses (1) in Form eines Kreises oder eines abgeschnittenen gleichseitigen Dreiecks mit durch einen Kreis begrenzten Eckpunkten gefertigt ist.
  4. Ventilkonstruktion für ein PET-Fass nach Anspruch 1, dadurch gekennzeichnet, dass das Mittel zum Verbinden des Ventilgehäuses (1) mit dem Fasshals mit Gewinde gefertigt ist.
  5. Ventilkonstruktion für ein PET-Fass nach Anspruch 1, dadurch gekennzeichnet, dass die Außenfläche des Ventilgehäuses (1) mit Schultern gefertigt ist, um die Herstellbarkeit der Installation davon an einem Gewindehals zu erhöhen.
  6. Ventilkonstruktion für ein PET-Fass nach Anspruch 1, dadurch gekennzeichnet, dass das Mittel zum Verbinden des Ventilgehäuses (1) mit dem Fasshals durch eine Verriegelungsanordnung dargestellt ist.
EP17853533.2A 2016-09-22 2017-10-02 Ventilanordnung für ein pet-fass Active EP3348517B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2016137883A RU2640988C1 (ru) 2016-09-22 2016-09-22 Клапанная конструкция для пэт кега
PCT/RU2017/000726 WO2018056870A1 (ru) 2016-09-22 2017-10-02 Клапанная конструкция для пэт кега

Publications (3)

Publication Number Publication Date
EP3348517A1 EP3348517A1 (de) 2018-07-18
EP3348517A4 EP3348517A4 (de) 2019-05-22
EP3348517B1 true EP3348517B1 (de) 2020-04-15

Family

ID=61691026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17853533.2A Active EP3348517B1 (de) 2016-09-22 2017-10-02 Ventilanordnung für ein pet-fass

Country Status (5)

Country Link
EP (1) EP3348517B1 (de)
EA (1) EA033500B1 (de)
RU (1) RU2640988C1 (de)
UA (1) UA122909C2 (de)
WO (1) WO2018056870A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU181916U1 (ru) * 2018-04-16 2018-07-26 Максим Анатольевич Старостенко Клапан для емкости
RU187723U1 (ru) * 2018-11-02 2019-03-15 Виталий Васильевич Шевченко Емкость для хранения напитков
RU2691286C1 (ru) * 2019-03-26 2019-06-11 Сергей Владимирович Князев Фитинг для пэт кега
RU2691300C1 (ru) * 2019-03-26 2019-06-11 Сергей Владимирович Князев Фитинг для пэт кега

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE10083T1 (de) * 1981-01-05 1984-11-15 Alumasc Limited Ventilverschluss fuer faesser oder tonnen.
US5511692A (en) * 1991-10-18 1996-04-30 Royal Packaging Industries Van Leer B.V. Fluid dispense system
WO1999014156A1 (en) * 1997-09-18 1999-03-25 Micro Matic A/S A relief valve for a pressure container
GB0411295D0 (en) * 2004-05-20 2004-06-23 Interbrew Sa Alcohol beverage apparatus having a bursting disk
DE102008053716B4 (de) * 2008-10-29 2012-09-27 Khs Gmbh Behälter, insbesondere großvolumiger Einwegbehälter aus Kunststoff wie beispielweise Keg zur Aufnahme von Getränken
DE102011015516A1 (de) * 2011-03-30 2012-10-04 SCHäFER WERKE GMBH Behälter zur Aufnahme von unter Druck stehenden Getränkeflüssigkeiten
RU117417U1 (ru) * 2012-02-07 2012-06-27 Сергей Александрович Максимов Клапан для емкости
GB201221141D0 (en) * 2012-11-23 2013-01-09 Petainer Large Container Ip Ltd keg closure with venting mechanism
GB2516623A (en) * 2013-07-09 2015-02-04 Cypherco Ltd Pressure relief system

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
EA033500B1 (ru) 2019-10-31
WO2018056870A1 (ru) 2018-03-29
EA201800194A1 (ru) 2018-09-28
UA122909C2 (uk) 2021-01-20
RU2640988C1 (ru) 2018-01-12
EP3348517A4 (de) 2019-05-22
EP3348517A1 (de) 2018-07-18

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