EP3444222B1 - Dispositif destiné à fermer une ouverture d'un récipient au moyen d'un capuchon de fermeture - Google Patents

Dispositif destiné à fermer une ouverture d'un récipient au moyen d'un capuchon de fermeture

Info

Publication number
EP3444222B1
EP3444222B1 EP17186493.7A EP17186493A EP3444222B1 EP 3444222 B1 EP3444222 B1 EP 3444222B1 EP 17186493 A EP17186493 A EP 17186493A EP 3444222 B1 EP3444222 B1 EP 3444222B1
Authority
EP
European Patent Office
Prior art keywords
closing
rotation
cap
closing direction
container opening
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
EP17186493.7A
Other languages
German (de)
English (en)
Other versions
EP3444222C0 (fr
EP3444222A1 (fr
Inventor
Theresa Müller
Tobias Fiesel
Stefan Kehrle
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.)
Uhlmann Pac Systeme GmbH and Co KG
Original Assignee
Uhlmann Pac Systeme GmbH and Co KG
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 Uhlmann Pac Systeme GmbH and Co KG filed Critical Uhlmann Pac Systeme GmbH and Co KG
Priority to EP17186493.7A priority Critical patent/EP3444222B1/fr
Publication of EP3444222A1 publication Critical patent/EP3444222A1/fr
Application granted granted Critical
Publication of EP3444222B1 publication Critical patent/EP3444222B1/fr
Publication of EP3444222C0 publication Critical patent/EP3444222C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/22—Closing bottles, jars or similar containers by applying caps by applying snap-on caps

Definitions

  • the present invention relates to a device for closing a container opening with a closure cap.
  • Containers such as bottles used in the pharmaceutical industry for storing tablets or coated tablets, are usually sealed with snap-on caps. These caps must meet a certain elasticity requirement to fit over the container openings.
  • caps are also equipped with a tamper-evident seal, such as a tear-off ring that must be removed upon first opening. When applied by machine, damage such as the premature detachment of the tear-off rings has not yet been ruled out.
  • a tamper-evident seal such as a tear-off ring that must be removed upon first opening.
  • JP 2004 240654 A Disclosing a device with the features of the preamble of claim 1, for closing container openings with a pressure element for rotatingly pressing a closure cap.
  • the pressure element is connected to a rotating shaft.
  • the invention is based on the objective of providing a device for closing a container opening with a cap, with which the pressing on of the cap can be carried out in a particularly gentle and reliable manner.
  • the device for closing a container opening with a cap comprises means for conveying containers, each having a container opening, in a conveying direction, as well as means for supplying a cap to each container opening. Furthermore, the device comprises a pressure element for pressing the cap onto the respective container opening and a movement unit for moving the pressure element.
  • the pressure element is movable in a closing direction of the cap, perpendicular to the conveying direction of the containers, such that a surface section of the cap with a closing action is pressed against the container opening. A pressing force is applied to partially press the cap onto the container opening.
  • the pressing element is rotatable about a first axis of rotation extending in the closing direction such that, during a circular rotation, it applies a pressing force acting in the closing direction to the cap section by section, thus fully pressing the cap onto the container opening to close the container.
  • the device includes a sleeve that is displaceable vertically relative to the movement unit.
  • the pressing element has at least one roller that is rotatably mounted about a second axis of rotation that runs transversely to the closing direction.
  • the at least one roller has the advantage that, when a pressing force is applied to the upper surface of the cap, it rolls with low friction, thus gently rolling the cap onto the container opening. The roller leaves no abrasion marks on the surface of the cap during the completion of the circular rotation.
  • the at least one roller is made of steel or a hard plastic. Its outer surface may also be rubberized.
  • the closing direction is essentially vertical and the second axis of rotation is essentially horizontal. This means that when the cap is rolled on, the pressure force also acts in the vertical closing direction. This is advantageous for the closing process.
  • the movement unit is preferably controllable in such a way that the pressure element is moved back and forth in the closing direction and is rotated about the first axis of rotation.
  • a further advantage is that the motion unit can be controlled in such a way that the pressure element performs a helical movement around the first axis of rotation.
  • the pressure element performs
  • the pressure element is a combined movement consisting of the translational movement in the closing direction and the rotational movement around the first axis of rotation.
  • the device further comprises at least one suction element facing the container and at least one connection for attaching an external vacuum source to the suction element.
  • the suction element has the advantage of being able to hold the elastic caps without deforming them, thus preventing damage when the caps are fed into the container openings.
  • the suction element is operatively connected to the movement unit in such a way that the suction element, together with the pressure element, is set into rotation about the first axis of rotation. This allows the suction and pressure mechanisms to be installed in a very compact and space-saving manner.
  • the at least one suction element can be operatively connected to the motion unit in such a way that the at least one suction element, together with the pressure unit, is set into rotation about the first axis of rotation. In this way, the at least one suction element and the pressure unit are coupled in a single unit.
  • a cavity is formed in the base of the sleeve, and the pressure element is located within this cavity.
  • the movement unit comprises a spindle element which is movable in the closing direction and rotatable about its own longitudinal axis.
  • FIG. 1 shows an embodiment of the device according to the invention for closing a container opening 4 of a container 6 with a cap 8.
  • the caps 8 are made of a relatively soft material and are preferably provided with a tear-off ring that is released upon initial opening.
  • a collar for opening and a hinge are also provided on the opposite side of the cap 8.
  • the invention is also applicable to simpler caps 8.
  • Reference numeral 2 identifies the actual closing unit, which here is designed in the form of a closing head. Furthermore, in Fig. 1 Means 10 for conveying containers 6 in a conveying direction F and means 12 for feeding closure caps 8 to the container openings 4 are shown.
  • the closure direction V is generally perpendicular to the conveying direction F.
  • the means 10 for conveying containers 6 in the conveying direction F a variety of implementations are conceivable.
  • conventional conveyor belts, suction belts, circulating transport devices with gripping elements, driven by conventional motors or by linear motor drives, etc. can be used.
  • the means 10 for conveying containers are operated intermittently.
  • continuous operation is also conceivable. In the latter case, the sealing unit 2 must move along with the container 6 in the conveying direction F during the sealing process.
  • the means 12 for supplying the closure caps 8 are, as in Fig. 1
  • the device is designed in the form of two L-shaped gripping elements, whose short, horizontal legs 14, 16 point inwards and towards each other.
  • the means 12 for feeding the closure caps 8 are movable horizontally and vertically. Alternatively, other feeding devices are also conceivable.
  • the closure caps 8 can also be transported by the sealing unit 2 itself via the container openings 4.
  • the in Fig. 1 The closing unit 2 shown comprises a pressure element 17 and a motion unit 18.
  • the motion unit 18 has a spindle element 19 that is rotatable about a vertical first axis of rotation D1.
  • a horizontal leg 20 is attached to the lower end section of the spindle element 19, and the pressure element 17 is arranged at one outer end of this leg.
  • the pressure element 27 is implemented in the form of two rollers 22, 24, which are rotatably mounted side by side on the leg 20 about a horizontal second axis of rotation D2.
  • the spindle element 19 and the leg 20 are rigidly connected to each other.
  • the pressure element 17 can also consist of just a roller, or other components, movable or rigidly connected to the motion unit 18, can be used, e.g. a swashplate or a pressure plunger.
  • the size and shape of the sealing unit 2 are preferably designed such that a variety of different formats of closure caps 8 can be applied to the corresponding containers 6 using this sealing unit 2.
  • the pressure element 17 itself can also be selected so that it can be used for several formats.
  • the sealing unit 2 includes two integrated suction elements 26 (see Fig. 2B ), which are formed in the form of two diametrically opposed suction cups. In Fig. 1 Due to the selected view, only one suction element 26 is visible.
  • the suction elements 26 have (see Fig. 6 ) each has a central suction opening 52.
  • the suction openings 52 are connected either via corresponding through-openings or through-lines in the sealing unit 2 with at least one connection 56 ( Fig. 6 ) for connecting a in Fig. 2B
  • the suction elements 26 are connected to the external vacuum source 60 shown.
  • the suction elements 26 can also be constructed and/or arranged differently. In particular, there can be more or fewer than two suction elements 26.
  • the closing unit 2 comprises a sleeve 27 with a sleeve section 28 of larger cross-section and a sleeve section 30 of smaller cross-section.
  • a first cavity 32 associated with sleeve section 30 serves to receive the spindle element 19, while a second cavity 34 associated with sleeve section 28 serves to receive the leg 20 with the pressure element 17.
  • the first cavity 32 lies above the second cavity 34, and the cavities 32 and 34 are connected to each other.
  • the suction elements 26 are located on both sides of the second cavity 34.
  • the sleeve 27 is connected to the movement unit 18 in such a way that a rotational movement of the movement unit 18 also causes a rotational movement of the sleeve 27. Furthermore, the sleeve 27 is displaceable in a vertical direction relative to the movement unit 19.
  • the first cavity 32 is provided with an enlarged cavity section with a larger cross-section.
  • the first cavity 32 has a stepped inner surface.
  • the spindle element 19 has a flange element 38 that extends around its outer circumference.
  • the sleeve 27, which tends downwards due to its weight, is restrained by a stop against the flange element 38.
  • the sleeve 27 rests on the flange element 38 and is moved along with it.
  • the sleeve 27 has a base surface 43, which consists of an annular outer section 48 and an inner circular section 50.
  • the second cavity 34 is formed in the base surface 43, in which the leg 20 with the rollers 22, 24 is arranged.
  • the cavity 34 extends transversely within the circular edge section 48 essentially across the diameter of the inner section 50.
  • the leg 20 arranged in the cavity 34 also extends transversely across the diameter of the inner section 50, so that the leg 20 acts as a driver for the sleeve 27 and the suction elements 26 integrated therein when the spindle element 19 is rotated.
  • FIG. 1 A container 6 was moved in the conveying direction F by means 10 and positioned under the sealing device 2. Likewise, a sealing cap 8 was positioned on the underside of the sealing unit 2 by means 12 for feeding closure caps. In the phase shown, the sealing cap 8 is drawn in by the suction elements 26, while the means 12 for feeding the closure caps have just been moved slightly downwards away from the sealing cap 8. The sealing cap 8 is now held in place by the suction force of the suction elements 26.
  • Fig. 2A were, based on the representation in Fig. 1 , the means 12 for feeding and arranging closure caps is moved further outwards and downwards, and the closure cap 8 is still held by the suction force of the suction elements 26.
  • FIG. 2B Without the container) both suction elements 26 are visible.
  • the suction elements 26 grip diametrically opposite each other on the flat surface. Cover surface of the closure cap 8.
  • the pressure element 17 is located at least partially above the circumferential edge section of the closure cover 8.
  • the sleeve 27 Due to the support of the sleeve 27 on the side of the closure cap 8 diametrically opposite the pressure element 17, the sleeve 27 cannot follow the movement of the pressure element 17 further in the closing direction V and thus essentially remains in place. In other words, only the pressure element 17 is moved relative to the sleeve 27 in the closing direction V, thereby emerging from the cavity 34 and exerting a pressure force on the underlying section of the closure cap 8.
  • the pressure element 17 can now be rotated about the axis of rotation D1 and continuously rolls the circumferential edge section of the closure cap 8 onto the edge of the container opening 4, for example, by completing a 360° rotation.
  • the pressure element 17 preferably rotates about the second axis of rotation D2. This rolling process is particularly gentle on the closure cap 8 and represents a reliable method for applying the closure cap 8 to the container opening 4.
  • the sleeve 27 is preferably rotated along with it.
  • the pressure element 17 is again in the position shown. Fig. 4 .
  • both a translational movement in the closing direction V (arrow T) and a rotational movement (arrows D) of the pressure element 17 take place to apply the closure cap 8. This can occur sequentially, as described so far, but the movements can also be combined into a helical downward movement of the pressure element 17.
  • the suction elements 26 and the pressure element 17 are integrated together in a single head of a device.
  • the two components can also be arranged in separate heads.
  • the head with the suction element 26 is positioned upstream of the head with the pressure element 17 in the conveying direction F.
  • the motion unit 18 comprises two servomotors: one servomotor for generating the vertical translational movement of the pressure element 17 and another servomotor for generating the rotary movement of the pressure element 17 about the first axis of rotation D1.
  • the sleeve 27 with the suction elements 26 does not have its own drive. However, an additional drive for the sleeve 27 could also be provided.
  • the sleeve 27 is necessarily rotated along with the pressure element 17. It is also conceivable to design the device such that the sleeve 27 remains stationary when the pressure element 17 is rotated.
  • the spindle element 19 described so far is only one possibility for generating the movements of the pressure element 17.
  • many other embodiments are conceivable that provide for the translational movement and the rotational movement of the pressure element 17.
  • the angle traversed by the pressure element 17 can also be slightly less than 360°. Likewise, the angle can be any greater than 360°; in particular, the pressure element 17 can also complete two full rotations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Jars (AREA)
  • Closing Of Containers (AREA)

Claims (8)

  1. Dispositif, destiné à fermer une ouverture de récipient (4) à l'aide d'un capuchon de fermeture (8), le dispositif comportant :
    des moyens (10), destinés à convoyer des récipients (6) dans une direction de convoyage (F), dont chacun comporte une ouverture de récipient (4) ;
    des moyens (12), destinés à amener un capuchon de fermeture (8) vers chaque ouverture de récipient (4) ;
    un élément de pression (17), destiné à presser le capuchon de fermeture (8) sur l'ouverture (4) de récipient concernée et
    une unité de mouvement (18), destinée à mouvoir l'élément de pression (17),
    l'élément de pression (17) étant mobile dans une direction de fermeture (V) du capuchon de fermeture (8), qui est perpendiculaire à la direction de convoyage (F) des récipients (6), de telle sorte qu'un segment de surface du capuchon de fermeture (8) soit sollicité par une force de pression agissant dans la direction de fermeture (V), pour presser partiellement le capuchon de fermeture (8) sur l'ouverture (4) de récipient et
    l'élément de pression (17) étant rotatif autour d'un premier axe de rotation (D1), qui s'étend dans la direction de fermeture (V), de telle sorte qu'en exécutant un mouvement de rotation circulaire complet, l'élément de pression (17) sollicite le capuchon de fermeture (8) par endroits avec une force de pression agissant dans une direction de fermeture (V), pour presser totalement le capuchon de fermeture (8) sur l'ouverture (4) de récipient, pour fermer le récipient (6),
    caractérisé en ce que
    le dispositif comporte au moins un élément aspirant (26), qui fait face au récipient (6) et au moins un raccord (56), destiné à raccorder une source de dépression (60) sur l'au moins un élément aspirant (26) ;
    l'au moins un élément aspirant (26) est fixé sur une douille (27) qui est translatable par rapport à l'élément de pression (17) à l'encontre de la direction de fermeture (V) et qui est déplaçable dans la direction verticale vers l'unité de mouvement (18) ; et
    une cavité (34) est conçue dans la surface de fond inférieur (43) de la douille (27) et l'élément de pression (17) est placé dans la cavité (34).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément de pression (17) comporte au moins un galet de roulement (22, 24) qui est logé en étant rotatif autour d'un deuxième axe de rotation (D2), qui s'écoule à la transversale de la direction de fermeture (V).
  3. Dispositif selon la revendication 2, caractérisé en ce que la direction de fermeture (V) s'écoule sensiblement à la verticale et le deuxième axe de rotation (D2) s'écoule sensiblement à l'horizontale.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de mouvement (18) est susceptible d'être commandée, de telle sorte que l'élément de pression (17) soit bougé en aller et retour dans la direction de fermeture (V) et soit amené en rotation autour du premier axe de rotation (D1).
  5. Dispositif selon la revendication 4, caractérisé en ce que l'unité de mouvement (19) est susceptible d'être commandée, de telle sorte que l'élément de pression (17) exécute un mouvement hélicoïdal autour du premier axe de rotation (D1).
  6. Dispositif selon la revendication 4 ou 5, caractérisé en ce que l'au moins un élément aspirant (26) est en interaction avec l'unité de mouvement (18), de telle sorte que l'au moins un élément aspirant (26) soit amené en rotation autour du premier axe de rotation (D1), conjointement avec l'élément de pression (17).
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de mouvement (18) comprend un élément à broche (19), lequel est mobile dans la direction de fermeture (V) et rotatif autour de son propre axes longitudinal.
  8. Dispositif selon la revendication 7, caractérisé en ce que sur une extrémité de l'élément à broche (19), l'élément de pression (17) est fixé au moyen d'une branche (20) s'écoulant à la transversale de la direction de fermeture (V).
EP17186493.7A 2017-08-16 2017-08-16 Dispositif destiné à fermer une ouverture d'un récipient au moyen d'un capuchon de fermeture Active EP3444222B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17186493.7A EP3444222B1 (fr) 2017-08-16 2017-08-16 Dispositif destiné à fermer une ouverture d'un récipient au moyen d'un capuchon de fermeture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17186493.7A EP3444222B1 (fr) 2017-08-16 2017-08-16 Dispositif destiné à fermer une ouverture d'un récipient au moyen d'un capuchon de fermeture

Publications (3)

Publication Number Publication Date
EP3444222A1 EP3444222A1 (fr) 2019-02-20
EP3444222B1 true EP3444222B1 (fr) 2026-01-14
EP3444222C0 EP3444222C0 (fr) 2026-01-14

Family

ID=59677066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17186493.7A Active EP3444222B1 (fr) 2017-08-16 2017-08-16 Dispositif destiné à fermer une ouverture d'un récipient au moyen d'un capuchon de fermeture

Country Status (1)

Country Link
EP (1) EP3444222B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4709158A1 (fr) * 2023-05-08 2026-03-18 Mesoblast International Sàrl Appareil, manchon et procédé de maintien de flacons comprenant un dispositif de retenue d'étiquette

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905174A (en) * 1973-12-19 1975-09-16 Raymond Heisler Manually manipulated apparatus and method of peripherally securing a plastic cover to a rimmed open top container
US5437140A (en) * 1994-01-03 1995-08-01 Portola Packaging, Inc. Auto rotation capping chuck improvement
US6115992A (en) * 1998-03-25 2000-09-12 New England Machinery, Inc. Apparatus and method for pre-capping containers
JP3979299B2 (ja) * 2003-02-05 2007-09-19 富士電機リテイルシステムズ株式会社 カップ式自動販売機のリッド装着装置
JP2005211519A (ja) * 2004-01-30 2005-08-11 Yuyama Manufacturing Co Ltd 薬剤収納取出装置

Also Published As

Publication number Publication date
EP3444222C0 (fr) 2026-01-14
EP3444222A1 (fr) 2019-02-20

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