EP2582610B1 - Vorrichtung und verfahren zur öffnung von flüssigkeitsbehältern - Google Patents

Vorrichtung und verfahren zur öffnung von flüssigkeitsbehältern Download PDF

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Publication number
EP2582610B1
EP2582610B1 EP11738038.6A EP11738038A EP2582610B1 EP 2582610 B1 EP2582610 B1 EP 2582610B1 EP 11738038 A EP11738038 A EP 11738038A EP 2582610 B1 EP2582610 B1 EP 2582610B1
Authority
EP
European Patent Office
Prior art keywords
spout
removal
lids
air passage
housing segment
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.)
Not-in-force
Application number
EP11738038.6A
Other languages
English (en)
French (fr)
Other versions
EP2582610A1 (de
Inventor
Fabio Zardini
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.)
Steelco SpA
Original Assignee
Steelco SpA
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 Steelco SpA filed Critical Steelco SpA
Publication of EP2582610A1 publication Critical patent/EP2582610A1/de
Application granted granted Critical
Publication of EP2582610B1 publication Critical patent/EP2582610B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • 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
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/14—Hand- or power-operated devices for opening closed containers for removing tightly-fitting lids or covers, e.g. of shoe-polish tins, by gripping and rotating
    • 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
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/16—Hand- or power-operated devices for opening closed containers for removing flanged caps, e.g. crown caps
    • B67B7/164—Power-operated devices

Definitions

  • the present invention concerns a device and relative method for opening or uncapping containers of liquids in accordance with the preamble of claim 1, respectively claim 7, for example, but not exclusively, feeding bottles, watering bottles or other containers or receptacles, for feeding animals.
  • Machines are known, at least partly automated or manual, used for washing containers for liquids, for example, but not only, for feeding bottles, watering bottles or others, which can be used for feeding animals such as for example guinea pigs or rodents in laboratories or others.
  • Such washer machines are structured with several operating stations disposed in a line with respect to each other, among which there is a loading station of the closed containers, a station for removing the caps from the containers, or de-capping station, a washing station, a re-filling station and a closing station for closing the washed and re-filled containers, by means of the caps.
  • the lids are normally constrained with an airtight seal to the containers.
  • known solutions which provide the removal station, the closed containers are opened by removing the lids with an extractor.
  • US 7,387,049 B1 discloses a device and a method in accordance with the preamble of claim 1, respectively claim 7.
  • Purpose of the present invention is to achieve a device and perfect a method which allow to open containers in a simple, efficient and economic way, which reduce to a minimum the overall execution times and which overcome the disadvantages of the known state of the art.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • an opening device according to the present invention is applied to a removal station which can be used, for example, in an at least partly automated machine, for the treatment of containers of liquids, in order to remove relative lids or caps, which have a spout for the liquid to emerge.
  • the invention is applied, advantageously but not exclusively, to simultaneously remove a plurality of lids of containers which are adjacent to each other, for example disposed in a basket or similar.
  • the opening device comprises one or more removal members, each provided with an air passage pipe conformed so as to allow pressurized air to pass through it.
  • the air passage pipe is provided with at least a housing segment for at least part of the spout of the lid.
  • the device comprises movement means operatively associated with the removal members in order to selectively move them at least between a first position, where the lid is removed from the neck of the container, and a second position where the lid is moved.
  • each removal member also comprises retaining means associated elastically with the air passage pipe for at least part of the housing segment and disposed in normal interference with the spout, in order to define a temporary elastic retention thereof, inside the housing segment.
  • the presence of the retaining means allows to elastically retain the lid constrained to the air passage pipe, after it has been removed from the neck of the container.
  • the opening device comprises one or more extractor elements disposed in relatively sliding manner inside the air passage pipes of the relative removal members.
  • the movement means are configured so as to define a third position for the discharge of the removal members, in which the extractor elements are at least partly in the housing segment of the air passage pipe and effect an action of axial thrust on the spout of the lid, overcoming the elastic action exerted by the retaining means, until they bring it out from the air passage pipe.
  • the present invention therefore achieves a reduction in production times and costs of the opening device, as well as the overall execution times, while still guaranteeing maximum efficiency in removing the lids from the containers.
  • the solution according to the present invention is particularly advantageous both in at least partly automated machines, that is, the type able to automatically move the containers in baskets along relative automated movement belts, and also in manual plants where the stations are operatively separate and the containers are retained individually or in small groups, even not homogenous, and are then transported toward subsequent stations for washing, re-filling and recapping.
  • the movement means are directly associated with the removal members, while the extractor elements are in a fixed condition with respect to the removal members.
  • the removal members move by sliding with respect to the extractor elements, putting the latter in a condition to axially push the spouts of the lids provided into the air passage pipe.
  • the extractor element comprises at least a stem having sizes in the length of its action substantially equivalent at least to the housing segment.
  • the extractor elements also act as a cut-off for the effective passage of pressurized air toward the outside of the air passage pipe.
  • the extractor element when the removal member is in the third discharge position, the extractor element is in the housing segment, substantially preventing the passage of air from the pipe toward the outside.
  • the extractor element when the removal member is in its first removal position, the extractor element is inside the pipe in a position so as not to interfere with the passage of air.
  • the extractor element thus allows the pressurized air to pass through the air passage pipe, so as to allow the air to pass through the housing segment and then through the spout as far as inside the container, in order to increase the internal pressure thereof so as to determine a relative distancing movement between the lid and the container.
  • a jet of pressurized air is blown inside the container, in order to remove the lid; the blowing is effected in a simple, economic and efficient way so as to obtain, by reaction, a pressure force inside the container which determines a certain relative distancing between the lid and the container, which allows it to be removed.
  • the retaining means comprise one or two clamping elements disposed in cooperation with the housing segment of the relative removal member, so as to act radially against the spout of the lid.
  • each of the clamping elements cooperates with an elastic member conformed so as to automatically maintain the clamping element in an operative clamping condition, at the moment the removal member and the spout are coupled.
  • the clamping member allows to retain the spout as soon as the latter is inserted inside the housing pipe, thus guaranteeing, from the very beginning, the correct retention thereof.
  • an opening device 10 can be used for the treatment of feeding bottles 12, to feed small animals, such as guinea pigs, mice, hamsters and others, used for example in pharmaceutical research laboratories.
  • Such feeding bottles 12 are normally closed at the top by means of relative lids 11 or caps, made of metal and shaped to define a spout 11a from which the animal drinks the liquid contained therein.
  • each feeding bottle 12 has a closing neck 14 onto which a washer (not shown) is annularly and externally disposed, able to define the hydraulic seal of the closure, once the lid 11 is closed on the feeding bottle 12.
  • the opening device 10 allows to open the feeding bottles 12 in a simple and almost completely automated way, in order to prepare them for subsequent washing and re-filling steps, actuated by a machine for the treatment of feeding bottles 12, not shown and to which the device 10 is operatively associated.
  • the device 10 can equally be applied also to a single station for removing the lids 11, not necessarily integrated in an automated machine.
  • the feeding bottles 12 can be operatively disposed inside the relative containing baskets, which are typically provided with a plurality of cells having a desired orderly disposition, for example in rows or columns.
  • Each cell is conformed to accommodate a relative feeding bottle 12 and to keep it angularly constrained and in a determinate orderly position with respect to the other feeding bottles 12.
  • the opening device 10 can be mounted suspended on a bridge structure, not shown, and if the bottles are fed in baskets, can also consist of a plurality of elements geometrically disposed in a coherent manner with the disposition of the feeding bottles 12 in the baskets.
  • the opening device 10 comprises a removal head 15 of the pneumatic type suitable to be brought into cooperation with the relative spout 11a of the lid 11, in order to selectively blow pressurized air inside the feeding bottle 12 and cause an at least partial release of the lid 11 from the neck 14 of the feeding bottle 12.
  • the removal head 15 can also be selectively moved in a substantially vertical direction by means of a relative actuator 16, only shown schematized in the attached drawings, so as to be able to be lowered and lifted with respect to the feeding bottle 12 on which it acts, with a linear movement, at least during the course of removing the lids 11.
  • the actuator 16 defines a first removal position ( fig. 1 ), a second movement position ( fig. 2 ) and a third discharge position ( fig. 3 ), which will be explained in more detail hereafter.
  • the removal head 15 is provided singly or in groups and acts on the spouts 11a of the lids 11 according to the positioning plan of the feeding bottles 12.
  • the removal head 15 has a substantially cylindrical conformation and comprises an air passage pipe 17 inside it, having a conformation and size correlated to the spouts 11a of the lids 11.
  • each air passage pipe 17 is open toward the outside through an entrance 17a with a bigger diameter, and comprises a housing segment 18 of a reduced diameter able to house part of the spout 11a with precision.
  • Air under pressure is blown through the air passage pipe 17 by means of a feed pipe 40 connected to a pressurized gas source (not shown).
  • Each removal head 15 also comprises an extractor stem 30, disposed sliding inside the air passage pipe 17, and having sizes substantially equivalent to those of the housing segment 18.
  • the extractor stem 30 is mounted fixed on the opening device 10, so that the removal head 15 slides along the extractor stem 30 during the movements imparted by the actuator 16.
  • the extractor stem 30 also acts as a cut-off element for the air emerging through the air passage pipe 17.
  • the latter cooperates, or not, with the housing segment 18, so as to obstruct, or not, the air emerging through the air passage pipe 17.
  • the opening device 10 is also provided with a retaining member 24, of the gripper type, in order to temporarily retain the spout 11a inside the air passage pipe 17 during and after the opening operation.
  • the retaining member 24 comprises two pins 27 mounted sliding radially to the housing segment 18, in relative transverse holes made on the lateral wall of the removal head 15, and are maintained in a normal condition of interference with the housing segment 18 by an elastic ring 26.
  • the removal head 15 comprises a damping spring 20 which allows to absorb possible axial impacts between the end of the removal head 15 and the lid 11 of the feeding bottle, so as not to ruin the latter.
  • the opening device 10 functions as follows.
  • the linear actuator 16 is activated in order to determine a linear approach movement to bring the removal head 15 into the first removal position ( fig. 1 ), in which the spout 11a of the feeding bottle 12 penetrates inside the air passage pipe 17 and is elastically held by the retaining member 24 inside the housing segment 18.
  • the extractor stem 30 is inside the air passage pipe 17 in a condition of non-cooperation with the housing segment 18. This determines the passage of pressurized air inside the feeding bottle 12 through the spout 11a, until the pressure inside overcomes the sealing force of the washer on the neck 14 and causes the lid 11 to be lifted and released from the feeding bottle 12.
  • the removal head 15 is lifted with respect to the feeding bottle 12 into the second movement position ( fig. 2 ), by means of the actuator 16, taking the lid 11 with it thanks to the elastic hold exerted by the pins 27 on the relative spout 11a.
  • a further lifting movement of the removal head 15 by the actuator 16 brings the removal head 15 into its third discharge position ( fig. 3 ).
  • the axial thrust exerted by the extractor stem 30 is greater than the radial elastic action of the pins 27, so as to thrust the spout 11a outside the air passage pipe 17, so as to release the lid 11 which, for example, falls onto a tray opportunely positioned under the removal head 15, and which is then moved toward a washing and sterilization station for the lids 11.
  • a relative linear actuator is associated to each extractor stem 30, in order to impart to each extractor stem 30 a linear movement independent of that of the removal head 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Devices For Opening Bottles Or Cans (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Sampling And Sample Adjustment (AREA)

Claims (7)

  1. Vorrichtung zum Öffnen von Behältern (12) für Flüssigkeiten, um Deckel (11) von den jeweiligen Behältern (12) zu entfernen, wobei die Deckel (11) so angepasst sind, dass sie eine Tülle (11a) definieren, um es zu ermöglichen, dass die Flüssigkeit aus dem Behälter (12) gelangen kann, wobei die Vorrichtung wenigstens umfasst
    - eines oder mehrere Entfernelemente (1 5), die jeweils mit einem Luftdurchlasskanal (17) versehen sind, der mit der Tülle (11a) verbindbar und mit wenigstens einem Gehäuseabschnitt (18) für wenigstens einen Teil der Tülle (11a) versehen ist; und
    - Bewegungsmittel (16), die funktionsmäßig den Entfernelementen (1 5) zugeordnet sind, um sie selektiv wenigstens zwischen einer ersten Position zur Entfernung der Deckel (11) von dem Behälter (12) und einer zweiten Position zum Bewegen der Deckel (11) zu bewegen;
    dadurch gekennzeichnet, dass sie auch ein oder mehrere Ausziehelemente (30) umfasst, die auf relativ gleitende Weise im Inneren der Luftdurchlasskanäle (17) der jeweiligen Entfernelemente (1 5) angeordnet sind, und dass die Bewegungsmittel (16) so eingerichtet sind, dass sie eine dritte Position für das Abführen der Entfernelemente (1 5) definieren, in der sich die Ausziehelemente (30) wenigstens teilweise in dem Gehäuseabschnitt (18) befinden und eine axiale Druckwirkung auf die Tülle (11a) ausüben, bis der Deckel (11) aus der Verbindung mit dem Luftdurchlasskanal (17) entfernt ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Bewegungsmittel einen Stellantrieb (16) umfassen, der den Entfernelementen (1 5) direkt zugeordnet ist, während die Ausziehelemente (30) sich in einem festgestellten Zustand in Bezug auf die Entfernelemente (15) befinden.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Ausziehelement wenigstens einen Schaft (30) mit Abmessungen umfasst, die im Wesentlichen entsprechend wenigstens dem Gehäuseabschnitt (18) sind.
  4. Vorrichtung nach einem beliebigen vorhergehenden Anspruch, dadurch gekennzeichnet, dass sie Haltemittel (24) umfasst, die dem Luftdurchlasskanal (17) für wenigstens einen Teil des Gehäuseabschnitts (18) elastisch zugeordnet und in normalem Eingriff mit der Tülle (11a) angeordnet sind, um deren zeitweiliges elastisches Halten im Inneren des Gehäuseabschnitts (18) zu definieren.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Haltemittel (24) ein oder mehrere Klemmelemente (27) umfassen, die zusammenwirkend mit dem Gehäuseabschnitt (18) des jeweiligen Entfernelements angeordnet sind, um radial gegen die Tülle (11a) zu wirken.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass jedes der Klemmelemente (27) mit einem elastischen Element (26) zusammenwirkt, das angepasst ist, um das jeweilige Klemmelement (27) im Zeitpunkt des Kuppelns des Entfernelements (1 5) und der Tülle (11a) automatisch in einem funktionsmäßigen Klemmzustand zu halten.
  7. Verfahren zum Öffnen von Behältern (12) für Flüssigkeiten, um Deckel (11) von den jeweiligen Behältern (12) zu entfernen, wobei die Deckel (11) so angepasst sind, dass sie eine Tülle (11a) definieren, um es zu ermöglichen, dass die Flüssigkeit aus dem Behälter (12) gelangen kann, wobei das Verfahren wenigstens umfasst:
    - einen Entfernschritt, bei dem die Tülle (11a) von dem Behälter (12) mittels eines oder mehrerer Entfernelemente (15) entfernt wird, die jeweils mit einem Luftdurchlasskanal (17) versehen sind, der mit der Tülle (11a) verbindbar und mit wenigstens einem Gehäuseabschnitt (18) für wenigstens einen Teil der Tülle (11a) versehen ist; und
    - einen Bewegungsschritt (16), bei dem die funktionsmäßig den Entfernelementen (1 5) zugeordneten Bewegungselemente (16) wenigstens zwischen einer ersten Position zur Entfernung der Deckel (11) von dem Behälter (12) und einer zweiten Position zum Bewegen der Deckel (11) selektiv bewegt werden;
    dadurch gekennzeichnet, dass es einen Ausziehschritt umfasst, bei dem ein oder mehrere Ausziehelemente (30) vorgesehen werden, die auf relativ gleitende Weise im Inneren der Luftdurchlasskanäle (17) der jeweiligen Entfernelemente (15) angeordnet sind, und bei dem die Bewegungsmittel (16) eine dritte Position für das Abführen der Entfernelemente (15) definieren, in welcher dritten Position sich die Ausziehelemente (30) wenigstens teilweise in dem Gehäuseabschnitt (18) befinden und eine axiale Druckwirkung auf die Tülle (11 a) ausüben, bis der Deckel (11) aus der Verbindung mit dem Luftdurchlasskanal (17) entfernt wird.
EP11738038.6A 2010-06-15 2011-06-14 Vorrichtung und verfahren zur öffnung von flüssigkeitsbehältern Not-in-force EP2582610B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUD2010A000117A IT1401017B1 (it) 2010-06-15 2010-06-15 Dispositivo e procedimento di apertura per contenitori di liquidi
PCT/IB2011/001310 WO2011158085A1 (en) 2010-06-15 2011-06-14 Device and method for opening containers of liquids

Publications (2)

Publication Number Publication Date
EP2582610A1 EP2582610A1 (de) 2013-04-24
EP2582610B1 true EP2582610B1 (de) 2015-08-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11738038.6A Not-in-force EP2582610B1 (de) 2010-06-15 2011-06-14 Vorrichtung und verfahren zur öffnung von flüssigkeitsbehältern

Country Status (3)

Country Link
EP (1) EP2582610B1 (de)
IT (1) IT1401017B1 (de)
WO (1) WO2011158085A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20120107A1 (it) * 2012-06-07 2013-12-08 Steelco Spa Dispositivo per l'apertura di contenitori per liquidi e per il trattenimento dei relativi coperchi
ITUD20120121A1 (it) 2012-07-02 2014-01-03 Steelco Spa Macchina e metodo per il trattamento di contenitori di liquidi
ITUD20120222A1 (it) 2012-12-27 2014-06-28 Steelco Spa Apparecchiatura e metodo per il trasporto di coperchi per contenitori

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2240623A1 (de) * 1972-08-18 1974-02-28 Hoefliger & Karg Vorrichtung zum eindrehen von gummistopfen oder dgl. in flaschen
IT221690Z2 (it) * 1991-03-11 1994-09-13 Sigma Tau Ind Farmaceuti Attrezzo-utensile atto a separare il cappuccio metallico dal contenitore in materiale plastico degli abbeveratoi per piccoli animali da laboratorio
US7387049B1 (en) * 2003-10-09 2008-06-17 Ver Hage Richard P Animal water feeding bottle cap handling system

Also Published As

Publication number Publication date
ITUD20100117A1 (it) 2011-12-16
IT1401017B1 (it) 2013-07-05
EP2582610A1 (de) 2013-04-24
WO2011158085A1 (en) 2011-12-22

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