EP3053833B2 - Dispositif de fermeture de recipients metalliques a l'aide d'un couvercle inserable et de verrouillage a l'aide d'une bague de serrage - Google Patents

Dispositif de fermeture de recipients metalliques a l'aide d'un couvercle inserable et de verrouillage a l'aide d'une bague de serrage Download PDF

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Publication number
EP3053833B2
EP3053833B2 EP15405048.8A EP15405048A EP3053833B2 EP 3053833 B2 EP3053833 B2 EP 3053833B2 EP 15405048 A EP15405048 A EP 15405048A EP 3053833 B2 EP3053833 B2 EP 3053833B2
Authority
EP
European Patent Office
Prior art keywords
closing
container
clamping ring
leg
clamping
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
EP15405048.8A
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German (de)
English (en)
Other versions
EP3053833A1 (fr
EP3053833B1 (fr
Inventor
Rudolf Walther
Thomas Seper
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.)
Stebler Packaging AG
Original Assignee
Stebler Packaging AG
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
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Application filed by Stebler Packaging AG filed Critical Stebler Packaging AG
Publication of EP3053833A1 publication Critical patent/EP3053833A1/fr
Application granted granted Critical
Publication of EP3053833B1 publication Critical patent/EP3053833B1/fr
Publication of EP3053833B2 publication Critical patent/EP3053833B2/fr
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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
    • B65B7/2842—Securing closures on containers
    • 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
    • B65B7/2842—Securing closures on containers
    • B65B7/285—Securing closures on containers by deformation of the closure

Definitions

  • the subject of the invention is a device according to the preamble of claim 1.
  • the containers are mainly welded containers, the contents of which are often not used up all at once, i.e. the container must always be able to be closed airtight with the plug-in lid after a part of the product has been removed.
  • insert lids are used, the edge of which extends axially over a relatively large height, for example 15 or 20 mm, and in this area lies flush against the inside of the container opening on the upper edge.
  • the edges are rolled up on the container and the lid and a so-called roll flange is formed.
  • the two flanged edges come to lie essentially radially next to one another, i.e. the rolled edge of the lid comes to lie radially outside the rolled edge of the container.
  • the connection between the container and the inserted lid represents a secure closure of the container. often have to be transported over long distances and can tip over during transport due to careless handling or, if they are stacked, fall onto the floor from a relatively great height, securing means connecting the lid to the container must also be provided.
  • a securing device that has been known for a long time is achieved by a clamping ring which encompasses the flanges of the container and the lid in a C-shape from the outside and also engages under the inside flange of the container from below.
  • These clamping rings which have a C-shaped cross-section, overlap at their ends, i.e. the stretched length of the clamping rings is greater than the circumference of the container or the lid.
  • the two end areas of the clamping ring are connected to one another in the overlapping area.
  • Such a closure is known under the name "TOP EXPAND”, with which it is possible to connect containers with a clamping ring with a lever to the container by inserting the edge of the lid together with the opening edge on the container into the clamping ring closed by the clamping lever be expanded. But even with this device, the container must be aligned in the closing device before it is expanded in such a way that the area of the tensioning lever, that is to say the turnbuckle, is not supported continuously from the outside. Here too, there is an additional and therefore time-delayed work step by aligning the toggle fastener.
  • This hand-operated device which has to be hung on a suspension device for reasons of weight, comprises a plurality of pivot levers articulated on a ring, the C-shaped ends of which bend the edge of the lid formed from a plurality of individual spaced-apart tabs under the rolled edge of the container.
  • the swivel levers can be swiveled via two manually operated or actuated rods via a lever system. Since all swivel levers have the same design, it is not possible to close a container with a clamping ring with or without a lever lock. Lids closed in this way are laborious to open and after opening they can at most still be plugged in, but no longer secured.
  • a method and a device for closing a container is also known, the lid of which is to be secured with a clamping ring with a turnbuckle.
  • the lid inserted on the container is closed by means of a roller rotating peripherally outside the container, which gradually bends the edge of the clamping ring under the flanges of the lid and the container in several turns.
  • this device can only be operated in a work area surrounded by a protective fence.
  • the rotating roller protrudes over the periphery of the lid and container and endangers people in the vicinity due to its repeated rotation at high speed.
  • the lid and the container are deformed by the point-like radial force or very stable holding parts must be provided on the closure device in order to avoid deformation of the entire container and thus the deformation that affects the tightness of the lid.
  • One object of the present invention is to create a device with which plug-in cover with clamping rings with or without a turnbuckle, which is tensioned by a radially protruding lever, without aligning the turnbuckle or the device directly after the cover has been put on, including the clamping ring already definitely mounted on it can be secured on the edge of the container by deforming the lower edge of the clamping ring under the roll flange located in the clamping ring on the container and on the lid.
  • any kind of clamping rings and, regardless of the position of the turnbuckle, the lower leg of the clamping ring along its entire circumference can be plastically closed in one operation deform and press from bottom to top against the adjacent flanges of the lid and container.
  • the lid In one work step or the same stroke of a pneumatically or hydraulically operated carrier plate, the lid is secured to the container with a clamping ring placed on it and already tightly closed by the clamping lever and secured with a split pin.
  • the position of the clamping lever on the turnbuckle on the clamping ring is immaterial, i.e. the clamping ring is also pressed against the flange in the area of the clamping lever.
  • the stacked lids with clamping rings can be brought up to the container in the way that their clamping rings are lying, and then placed axially on the container. Due to the mutual connection between the insertion and retaining plate for placing or pushing the lid into the opening on the container and the clamping disc with the levers hinged to it and the drive plate, which causes the lever to pivot, there is only a single vertical feed movement of a hydraulic system - or pneumatic cylinder necessary.
  • the deformation and bending of the clamping ring takes place simultaneously at every point along the circumference of the container, so that no unevenly acting forces act on the container, the lid and the clamping ring.
  • the closing process takes place in one operation when the closing device is lowered onto the container with the lid and clamping ring in place.
  • the device 1 for closing and securing with a clamping ring 39 of containers is shown.
  • the device 1 comprises an upper disk-shaped body 3 and a spaced-apart lower disk-shaped body 5 below, on which the actuating members for the device 1 are attached and guided.
  • the two disc-shaped bodies 3, 5 are mutually connected at a distance by means of screws 7 and, together with a hollow cylindrical wall 12 arranged between the bodies 3, 5 and a drive disc 9 that functions as a piston and rests against the wall 12 in a sealing manner, form a double-acting pneumatic Drive.
  • a fastening coupling 6 is visible, with which the device 1 is held suspended from a frame (not shown).
  • the drive pulley 9 is guided vertically displaceably in the displacement 10 with compressed air.
  • the displacement 10 is formed by the hollow cylindrical wall 12 and the underside of the upper body 3 and the upper side of the lower body 5.
  • a piston seal 8 is placed on the periphery of the drive disk 9 in order to separate the two sections of the displacement 10 divided by the drive disk 9 in a sealed manner.
  • the supply of compressed air into the piston chamber 10 takes place via compressed air lines 14, 16.
  • compressed air lines 14, 16 In the two disk-shaped bodies 3.5in Figure 1 only the connecting pieces of the two compressed air lines 14, 16 are visible.
  • a hydraulic or an electric drive could also be used. Due to the relatively huge piston cross-section, which corresponds approximately to the cross-section of a container 47, an immense adjustment force can be generated with compressed air from the existing factory network.
  • the drive pulley 9 is connected via one or more piston or guide rods 11, which penetrate the lower body 5, to a preferably circular bearing plate 15 which can be displaced below on a vertically arranged guide.
  • a plurality of tangential lever bearings 17 are attached to the bearing plate 15 peripherally on its circumference.
  • each lever bearing 17 the first end of a push rod 19 is pivotably inserted on a bearing pin in a bore 18 with axis A.
  • the second ends of the push rods 19 are connected to pivot levers 21 in an articulated manner about an axis B.
  • the two-armed pivot levers 21 are in turn pivotably articulated on an axis C on a circular clamping plate 23, which is equipped on its underside with several spacer bolts 25, at the lower end of which a cover retaining plate 27 is attached (cf. Figures 3-5 ).
  • the clamping plate 23 with the articulated pivot levers 21 is attached to the lower end of a support column 24, which support column 24 is connected at its upper end to the disk-shaped body 5 below.
  • the bearing plate 15 is guided in a vertically displaceable manner.
  • the pivot levers 21 have the shape of an "F” placed upside down with a base leg 29, a closing leg 37 and a centrally arranged bearing leg 35.
  • a bearing bore 33 is formed as a pivot bearing at its foot 31 (foot on top).
  • the forming and closing leg 37 is formed at right angles to the long leg 29.
  • the pivot lever 21 With its internal, ramp-shaped ascending guide surface 38, the pivot lever 21 is designed to reshape a clamping ring 39, which is placed on the flanges on the lid 43 and on the container 47, in the axial direction from bottom to top so that the lower leg 39 'of the clamping ring 39 is essentially bent over from the position initially inclined to the horizontal into the horizontal.
  • the length of the closing leg 37 is greater than the radial distance between the surface of the clamping lever 45 and the jacket of the container 47 is made of sheet steel with a thickness of 1-2 mm. As a result, very high forces are necessary for plastic deformation.
  • the clamping ring 39 with a C-shaped cross-section is already placed on its upper edge, which is flanged, and is held securely against the flange of the lid edge by the closed clamping lever 45.
  • the cover 43 and the clamping ring 39 attached to it are delivered as a unit to the device 1 and applied to the container 47 or inserted into it.
  • the closed clamping lever 45 is preferably already secured with a split pin, which is only removed again when the container 47 is opened for the removal of filling material.
  • the drive pulley 9 is designed to be displaceable downward in the vertical direction by supplying compressed air through the line 16 in the upper piston chamber.
  • the guide rod 11, which is connected to the drive pulley 9, guides the retaining plate 27 downwards until it rests on the clamping ring 39 and is prevented from further downward movement.
  • the device 1 is suspended from a frame (frame not shown) with a fastening coupling 6.
  • the frame can also carry a feed, e.g. a roller belt, for filled containers 47 below the device 1.
  • a feed e.g. a roller belt
  • the operation of the device is described step by step below.
  • a filling material e.g. paint, plaster or glue
  • these are e.g. B. guided by a robot or by hand under the device 1 and there, or even before, the cover 43 is put on.
  • the clamping ring 39 is already attached to the cover 43 and the turnbuckle is closed and secured.
  • the lid 43 and the clamping ring 39 have been put on, the latter on the one hand engages over the flange of the lid 43 and thus also the flange on the container 47, which is located within the flange of the lid 43.
  • the clamping ring 39 which has a C-shaped cross-section, rests with its upper leg on the flanges and the lower leg 39 'of the clamping ring 39 protrudes downward at an angle, with the flare on the container 47 not being undercut to prevent the lid from being put on beforehand 43 to obstruct the container 47.
  • the latter is driven down by introducing compressed air through the line 16 into the displacement space above the drive pulley 9.
  • the bearing plate 15, which is at the lower end of the guide rods, is also synchronized 11 is attached, moved down.
  • the clamping plate 23 and the retaining plate 27 fastened to it at the bottom are also guided downwards.
  • the clamping plate 23 and the retaining plate 27 are guided vertically on the column 24.
  • the clamping plate 23 and the retaining plate 27 hang, connected to the push rods 19 and pivot levers 21, on the bearing plate 15.
  • the pivoting levers 21 open, i. H. they pivot outwards and at the same time the retaining plate 27 lifts off the container 47 and the closed and secured container 47 can be moved away and a new one can be supplied.
  • a compression spring such as a helical spring or a spring washer assembly, can be used below the drive pulley 9, which brings about the return of the drive pulley 9.
  • a spring when closing and securing the cover, a higher force is required on the upper side of the drive pulley 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Sealing Of Jars (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Closures For Containers (AREA)

Claims (7)

  1. Dispositif (1) de fermeture de récipients (47) en métal à l'aide d'un couvercle insérable (43) et d'une bague de serrage (39) verrouillant le couvercle insérable (43) avec le récipient (47) contre une ouverture involontaire, avec un élément de fermeture formé sur la bague de serrage (39), comprenant un entraînement pour un dispositif de fermeture, lequel place le couvercle (43) inséré dans le récipient (47) et la bague de serrage (39) placée sur le couvercle (43) et déjà fermée sur un bord roulé formé sur l'ouverture du récipient en modifiant la forme de la bague de serrage (39),
    caractérisé en ce que
    - l'entraînement comprend un corps supérieur (3) en forme de disque et un corps inférieur (5) en forme de disque, ainsi qu'une paroi cylindrique creuse (12), laquelle est placée entre les deux corps (3, 5) et forme avec ceux-ci une chambre (10), dans laquelle un disque d'entraînement (9) opérant comme piston est placé et relié avec une plaque d'appui (15) du dispositif de fermeture, la plaque d'appui (15) étant déplaçable verticalement le long d'un guidage par l'entraînement,
    - la plaque d'appui (15) est reliée avec une plaque de serrage (23) située coaxialement en dessous,
    - en périphérie de la plaque de serrage (23), des leviers pivotants (21) avec chacun une branche de fermeture (37) sont articulés de façon pivotante sur un axe C,
    - les leviers pivotants (21) sont reliés par des bielles (19) articulées en périphérie sur la plaque d'appui (15) de façon pivotante sur un axe A et forment une liaison par pivot,
    - une plaque de retenue (27) est disposée sous la plaque de serrage (23) et reliée à celle-ci, et
    - la plaque de retenue (27) fonctionne comme appui sur la bague de serrage (39), afin de soutenir celle-ci contre la force de fermeture des leviers pivotants (21) s'exerçant vers le haut, et
    - les corps (3, 5) présentent un diamètre correspondant environ au diamètre des récipients (47) devant être fermés.
  2. Dispositif selon la revendication 1, caractérisé en ce que les leviers pivotants (21) présentent la forme d'un « F » renversé, un alésage de palier (33) avec axe B étant formé au pied (31) de la branche de fermeture longue (29) et un alésage (41) avec axe C étant formé sur la branche centrale (40) perpendiculaire à la branche de fermeture longue (29).
  3. Dispositif selon la revendication 2, caractérisé en ce que la branche de fermeture longue (37) située à la tête du « F » présente, sur son côté intérieur, une surface de guidage (38), laquelle est formée contre l'extrémité libre comme rampe montante.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la ligne X reliant les axes A et B et la ligne Y reliant les axes B et C forment un angle obtus avant le début du processus de fermeture et un angle aigu à la fin du processus de fermeture.
  5. Dispositif selon l'une des revendications 3 ou 4, caractérisé en ce que, à la fin du processus de fermeture, les surfaces de guidage (38) des leviers pivotants (21) passent sous la branche inférieure (39') de la bague de serrage (39) et déplacent celle-ci du bas vers le haut et la placent contre le bord roulé du récipient (47).
  6. Dispositif selon la revendication 5, caractérisé en ce que la longueur de la branche de fermeture (37) est supérieure à la distance de la plus grande extension radiale du tendeur avec le levier de serrage sur la bague de serrage (39) à l'enveloppe du récipient (47).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce qu'une conduite à air comprimé (14, 16) est raccordée au corps supérieur (3) et/ou au corps inférieur (5), par laquelle de l'air comprimé peut être amené dans la chambre (10) sous et/ou au-dessus du disque d'entraînement (9).
EP15405048.8A 2015-01-30 2015-07-27 Dispositif de fermeture de recipients metalliques a l'aide d'un couvercle inserable et de verrouillage a l'aide d'une bague de serrage Active EP3053833B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00115/15A CH710684A1 (de) 2015-01-30 2015-01-30 Vorrichtung zum Verschliessen von Metallbehältern mit einem Einsteckdeckel.

Publications (3)

Publication Number Publication Date
EP3053833A1 EP3053833A1 (fr) 2016-08-10
EP3053833B1 EP3053833B1 (fr) 2017-07-05
EP3053833B2 true EP3053833B2 (fr) 2021-09-22

Family

ID=54011001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15405048.8A Active EP3053833B2 (fr) 2015-01-30 2015-07-27 Dispositif de fermeture de recipients metalliques a l'aide d'un couvercle inserable et de verrouillage a l'aide d'une bague de serrage

Country Status (6)

Country Link
EP (1) EP3053833B2 (fr)
CH (1) CH710684A1 (fr)
DE (1) DE202015009101U1 (fr)
DK (1) DK3053833T4 (fr)
ES (1) ES2641504T5 (fr)
PT (1) PT3053833T (fr)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1524606A (en) 1920-08-30 1925-01-27 American Can Co Lead-key-closing machine
US2326545A (en) 1940-11-25 1943-08-10 Vulcan Stamping & Mfg Co Sealing ring
US2542255A (en) 1946-04-15 1951-02-20 Stanley D Mcclellan Capping machine
US2558705A (en) 1946-05-28 1951-06-26 Samuel Cabot Inc Can closing apparatus
US2681758A (en) 1952-06-24 1954-06-22 Girard Paint & Varnish Mfg Co Can-closing machine
GB819953A (en) 1957-11-29 1959-09-09 American Flange & Mfg Improvements relating to sealing tools for applying capseals to container closures
US3015291A (en) * 1958-03-10 1962-01-02 Grotnes Machine Works Inc Drum closing tool
US3530637A (en) * 1968-03-25 1970-09-29 American Flange & Mfg Method and apparatus for sealing open head containers
JPS5217466B2 (fr) * 1974-05-02 1977-05-16
CH596052A5 (fr) 1976-04-09 1978-02-28 Mueller Ernst Ag
GB1523826A (en) 1976-06-11 1978-09-06 Crosshall Eng Co Ltd Pail closing tools
CH614416A5 (fr) 1977-05-23 1979-11-30 Mueller Ernst Ag
IT1263855B (it) * 1993-03-30 1996-09-04 Macchina per la chiusura di fustini con coperchio ed anello di chiusura a leva o simili
WO1994027880A1 (fr) 1993-05-21 1994-12-08 Beierling, Uwe Corps creux a couvercle a fermeture amovible
DE10109632B4 (de) * 2001-03-01 2005-07-28 Muhr & Söhne GmbH + Co. KG Verfahren und Vorrichtung zum Verschließen eines Behälters
US20060163255A1 (en) * 2005-01-19 2006-07-27 Howard Boyd Drum closure system: closing ring, crimping machine and method of use
BRPI0900157A2 (pt) 2009-01-08 2010-10-26 Brasilata Sa Embalagens Metalicas processo para fechamento de um recipiente em folha metálica

Also Published As

Publication number Publication date
DK3053833T3 (en) 2017-10-23
PT3053833T (pt) 2017-10-13
ES2641504T5 (es) 2022-02-09
CH710684A1 (de) 2016-08-15
DE202015009101U1 (de) 2016-09-29
EP3053833A1 (fr) 2016-08-10
DK3053833T4 (da) 2021-11-08
EP3053833B1 (fr) 2017-07-05
ES2641504T3 (es) 2017-11-10

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