EP0213035B1 - Verschlussvorrichtung für Metallfuss - Google Patents

Verschlussvorrichtung für Metallfuss Download PDF

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Publication number
EP0213035B1
EP0213035B1 EP19860401752 EP86401752A EP0213035B1 EP 0213035 B1 EP0213035 B1 EP 0213035B1 EP 19860401752 EP19860401752 EP 19860401752 EP 86401752 A EP86401752 A EP 86401752A EP 0213035 B1 EP0213035 B1 EP 0213035B1
Authority
EP
European Patent Office
Prior art keywords
piston
closure
drum
barrel
envelope
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.)
Expired
Application number
EP19860401752
Other languages
English (en)
French (fr)
Other versions
EP0213035A1 (de
Inventor
Raymond Breant
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.)
Greif Packaging France SAS
Original Assignee
Van Leer France SARL
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 Van Leer France SARL filed Critical Van Leer France SARL
Publication of EP0213035A1 publication Critical patent/EP0213035A1/de
Application granted granted Critical
Publication of EP0213035B1 publication Critical patent/EP0213035B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2828—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers inserting and rotating screw stoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/046—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles co-operating, or being combined, with a device for opening or closing the container or wrapper

Definitions

  • this device can only be used with a particular type of container and makes it difficult to control the real pressure of the "trough of the road". It is therefore not suitable for filling a large number of containers and in particular metal drums or the like.
  • the object of the present invention is to remedy this drawback by proposing a closure device which makes it possible to control the pressure of the gas in the "trough of the road", until the container is completely closed, whatever the latter.
  • the subject of this invention is in fact a closure device, which comprises a cylindrical envelope which is provided with an orifice for communication with a source of pressurized gas and carries, at one end, means for sealing its contact with the periphery of the bung of the barrel, and a closure device mounted inside this envelope, characterized in that the closure device is carried by a piston which is movable with leaktight sliding in the envelope between a position of maintaining a shutter away from the plug, allowing the entry of pressurized gas into the barrel, and a position for fitting the shutter and isolating the barrel from the gas source, and in that a pressure detector is mounted in the enclosure in the vicinity of the orifice for communication with the gas source.
  • Such a device allows the communication between the pressurized fluid source and the barrel to be maintained, while the pressure in the latter has reached the desired value, and the barrel to be closed without risk of modification of this pressure.
  • the device according to the invention comprises a cylindrical envelope 1 which is provided, at one of its ends, with means allowing its sealed application on a barrel 2, around the bung 3 thereof.
  • the drain 3 is surrounded by a flange 4, internally threaded and provided with an external bead 5.
  • the casing 1 therefore comprises simply a groove 6 in which is housed an O-ring 8 of which the diameter is sufficient for it to be tightly tightened tightly against the bead 5, when the envelope 1 is fitted around the flange 4.
  • the casing 1 is also open at its end opposite the groove 6 and contains a piston 10, elongated and hollow, which supports a motor 12 for driving a key 14 for positioning the shutter.
  • the key 14 comprises a rod 16 rotatably mounted, by means of ball bearings 18, in the wall of the piston 10 and protruding outside the latter, opposite the groove 6 to carry a head 20 provided with means 22 retainer 24.
  • the retaining means 22 are, for example, constituted by a magnet and they retain a closure cap 24 for closing the plug, which is externally threaded and intended to be screwed into the flange 4.
  • the hollow piston 10 is mounted with sealed sliding inside the casing 1, thanks to an O-ring 26 in contact with the wall of this casing. It also comprises, in the vicinity of its end opposite to the head 20, a portion 28 of larger diameter which slides in a widened bore 30 of the casing 1 and thus forms a double-acting cylinder for controlling the movement of the piston 10 in casing 1.
  • the casing 1 also includes a nozzle 32 for communicating with a source of pressurized fluid, which has not been shown so as not to complicate the drawing.
  • a pressure detector 34 is mounted, for example in this nozzle, so as to control the pressure prevailing in this part of the casing 1, between the piston and the barrel.
  • the gas, or the vapors, intended to constitute the "trough of the road” is introduced into the barrel 2 by the nozzle 32, which is in communication with the pressure source.
  • the head 20 of the key 14 and the capsule 24 being spaced from the plug 3, this gas freely enters the barrel.
  • the jack constituted by the piston 28 and the enlarged part 30 of the casing 1, is actuated, fluid under pressure being introduced into the upper chamber 36 of this jack through an orifice 38, and the motor 12 is started.
  • the engine 12 can then be stopped and communication with the source of pressurized gas closed.
  • the pressure inside the casing 1, between the head 20 and the piston 10 is still significantly less than that of the fluid acting in the chamber 36, so that it does not oppose the movement of this piston under the action of the motor 12, which facilitates the positioning of the capsule.
  • the barrel being closed, the closing device, and in particular the casing 1, can easily be removed by moving it away from the collar 3, the elasticity of the seal 8 allowing this movement.
  • the device which has just been described also makes it possible to install, on a bung of the barrel, shutters of different types from that which has just been described.
  • the head 20 could carry a shutter intended to be fixed by engagement with a bayonet or by another suitable system.
  • the closure is carried out in the same way, the key 14 being able to move in rotation and / or axially, as required, after the barrel 2 and the nozzle 32 have been isolated in connection with the source. pressurized fluid.
  • the barrel closed by means of such a device has an internal overpressure, so that after the liquid which fills it has cooled, the vacuum due to the contraction of this liquid is compensated by the determined overpressure initially provided for. The risks of implosion of the barrel are then eliminated.
  • the pressure of the contents of the barrel at the time of closing of the latter can, moreover, easily be adapted to each filling product by means of a simple adjustment of the shutter release threshold.
  • the use of a single type container therefore no longer has any drawbacks.
  • the supply of pressurized gas, as well as the actuation of the jack and the starting of the engine 12, can be obtained by any suitable means and even if desired, be triggered manually by an operator informed by the pressure detector. , possibly associated with an alarm.
  • an automatic control for example pneumatic, is used, subject to the detector 34 which causes the actuator and the motor 12 to be actuated, either simultaneously as soon as the adjustment pressure is reached in the enclosure 1, or successively, the motor 12 only starting when the capsule 24 is in contact with the bung on the barrel, as well as the stopping of these drives at the end of the closure.
  • the motor 12 is preferably a pneumatic motor so that the entire device operates with air or gas and can even be connected to a single source.
  • the realization of the device is thus simplified but also its safety, so that it can be used regardless of the nature of the liquid contained in this barrel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (6)

1. Verschlußvorrichtung für Metallfaß, bestehend aus einer zylindrischen Buchse (1), die mit einer Öffnung (32) zur Verbindung mit einer Druckgasquelle versehen ist und an einem Ende Einrichtungen zur Abdichtung ihres Kontaktes mit dem Umfang des Spundlochs (3) des Fasses trägt, und einer im Inneren dieser Buchse montierten Schließvorrichtung (12, 14), dadurch gekennzeichnet, daß die Schließvorrichtung (12, 14) von einem Kolben (10) getragen ist, der, indem er dicht gleitet, in der Buchse (1) zwischen einer Stellung, in der er ein Verschlußorgan (24) von dem Spundloch (3) entfernt hält, was den Eintritt des Druckgases in das Faß gestattet, und einer Stellung beweglich ist, in der das Verschlußorgan in Stellung gebracht ist und das Faß von der Gasquelle abgetrennt ist, und daß in der Buchse in Nähe der Öffnung zur Verbindung mit der Gasquelle ein Druckfühler (34) montiert ist.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Schließvorrichtung einen Schlüssel (14) besitzt, der drehbar in dem Kolben (10) montiert ist und außerhalb des Kolbens mit Einrichtungen (22) zum Festhalten des Verschlußorgans (24) versehen ist.
3. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Kolben (10) langgestreckt und hohl ist und daß die Schließvorrichtung einen in dem Kolben montierten Umlaufmotor (12) aufweist.
4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Kolben (10) einen Abschnitt (28) größeren Durchmessers besitzt, der zusammen mit einer ausgeweiteten Bohrung (30) der Buchse eine Kolben-Zylinder-Einheit bildet, die die Schließvorrichtung (14) in eine axiale Bewegung versetzt.
5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Kolben-Zylinder-Einheit (28, 30) eine Einrichtung zur Führung der axialen Bewegung des Schlüssels (14) während der Befestigung des Verschlußorgans (24) auf dem Spundloch (3,4) bildet.
6. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Verschlußorgan aus einer Kapsel (24) mit Außengewinde besteht, die in einen Gewindekragen (4) des Fasses einschraubbar ist, wobei bei Einschrauben der Kapsel in den Kragen die Schließvorrichtung (12, 14) in Drehung und die Kolbeneinheit (10) in eine axiale Bewegung versetzt wird.
EP19860401752 1985-08-06 1986-08-05 Verschlussvorrichtung für Metallfuss Expired EP0213035B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8512013A FR2586008B1 (fr) 1985-08-06 1985-08-06 Dispositif de fermeture pour fut metallique
FR8512013 1985-08-06

Publications (2)

Publication Number Publication Date
EP0213035A1 EP0213035A1 (de) 1987-03-04
EP0213035B1 true EP0213035B1 (de) 1988-07-20

Family

ID=9322024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860401752 Expired EP0213035B1 (de) 1985-08-06 1986-08-05 Verschlussvorrichtung für Metallfuss

Country Status (5)

Country Link
EP (1) EP0213035B1 (de)
DE (1) DE3660398D1 (de)
ES (1) ES2001285A6 (de)
FR (1) FR2586008B1 (de)
PT (1) PT83158B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19500334A1 (de) * 1995-01-07 1996-07-11 Petra Boehm Verschlußvorrichtung für Behälter
CN102155385A (zh) * 2011-03-22 2011-08-17 菏泽市花王高压容器有限公司 一种低温绝热液体贮罐抽真空装置
CN102312871A (zh) * 2011-07-11 2012-01-11 山西晋西压力容器有限责任公司 一种机械式压力转换容器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB748726A (en) * 1952-10-31 1956-05-09 California Research Corp Improvements in or relating to a device for the capping of drums and barrels
GB875833A (en) * 1958-02-28 1961-08-23 British Xylonite Co Ltd Packaging of deformable containers

Also Published As

Publication number Publication date
PT83158A (fr) 1986-09-01
EP0213035A1 (de) 1987-03-04
ES2001285A6 (es) 1988-05-01
FR2586008B1 (fr) 1988-02-26
FR2586008A1 (fr) 1987-02-13
DE3660398D1 (en) 1988-08-25
PT83158B (pt) 1990-08-31

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