EP2993134A1 - Machine de hotte d'extraction - Google Patents

Machine de hotte d'extraction Download PDF

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Publication number
EP2993134A1
EP2993134A1 EP15183963.6A EP15183963A EP2993134A1 EP 2993134 A1 EP2993134 A1 EP 2993134A1 EP 15183963 A EP15183963 A EP 15183963A EP 2993134 A1 EP2993134 A1 EP 2993134A1
Authority
EP
European Patent Office
Prior art keywords
film
clamping members
dragging
horizontal
carriage
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.)
Granted
Application number
EP15183963.6A
Other languages
German (de)
English (en)
Other versions
EP2993134B1 (fr
Inventor
Franco Tacchini
Maurizio Orfano
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.)
Officina Meccanica Sestese SpA
Original Assignee
Officina Meccanica Sestese 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 Officina Meccanica Sestese SpA filed Critical Officina Meccanica Sestese SpA
Publication of EP2993134A1 publication Critical patent/EP2993134A1/fr
Application granted granted Critical
Publication of EP2993134B1 publication Critical patent/EP2993134B1/fr
Active 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
    • B65B9/135—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state for palletised loads
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated

Definitions

  • the present invention relates to a wrapping apparatus which uses a hood-shaped film of plastic material, that is, a so-called hooding apparatus.
  • a hood-shaped film of plastic material that is, a so-called hooding apparatus.
  • These are machines provided for the wrapping of loads, generally stacked on pallets, with a hood of plastic material, formed starting from a stretchable or heat-shrinkable tubular film folded in a plane in a longitudinal sense, and wound on a supply bobbin.
  • the invention refers to such a wrapping apparatus wherein the hood transfer occurs along two separate pathways.
  • a load arranged on a pallet is brought in correspondence of a wrapping position, in the middle of a framework of a wrapping machine.
  • a tubular film, in a flattened state is taken from a respective bobbin, cut to measure, closed and welded at one end, conventionally called rear end, leaving the other end - conventionally called "mouth” - open to form a bag-like body, called "hood”.
  • This hood is then gripped at the mouth end, opened and hence fitted on top to bottom until it wraps the entire load in a hood.
  • a terminal edge of the tubular film, supplied by the bobbin is gripped from a position generically at the bottom of said framework and brought - through gripping and dragging means - first vertically, as far as the top of the apparatus framework, and then horizontally as far as a position above the top of the load and centred with respect to the same, where a delivering station is found; from here, the edge of the tubular film is taken in charge by spreading-apart means, which open the mouth thereof and arrange it onto the load.
  • the cut to measure (depending on load height) and the welding of the rear end of the hood can occur alternatively at the bottom of the machine, hence in a step which precedes the fitting process, or at the top of the machine, hence in a terminal stage of the fitting process.
  • these apparatuses have a significant height dimension: as a matter of fact, sizing is carried out based on the highest loads which the machine must be able to wrap, considering then that above the load height there are furthermore provided the dragging means of the tubular film, the spreading-apart and fitting members and, in some cases, the welding and cutting assembly.
  • the throughput of the apparatus is not optimised if there are significant height changes of the loads to be wrapped.
  • the forming and fitting pathway of the hood is always the same (sized for a maximum-height load) even when it is necessary to put a hood on a low load, which would theoretically require a much shorter hood processing pathway.
  • idle times of the machine arise, both in the lifting step and in the descending step of the hood, which reduce overall throughput.
  • the problem at the base of the invention is hence to provide a structure of a wrapping machine of the above-mentioned type, which has a construction with more traditional mechanical members, despite preserving the advantage of allowing the height adjustment of the delivering unit path, allowing to eliminate undesired idle time in processing, as well as the advantage of performing the hood welding and cutting at the bottom of the machine, hence being handier in the maintenance and bobbin change operations, without putting at risk the operator.
  • a hooding apparatus comprises, in a manner known per se, a main post 1 of a support frame (not better shown overall, being of a type largely known per se).
  • a film of heat-shrinkable or stretchable plastic material is indifferent, since the opening/spreading-apart system of the film of plastic material is of no interest to the present invention, concerning a part of the machine, referred to as distribution and fitting-on unit further on, which operates downstream of the gripping and advancing means which make up the object of the invention.
  • the unit of carriage 2 carrying bobbins 3 is not part of the present invention and will hence not be described in further detail. It is sufficient to clarify that it can be a unit for a single bobbin, as schematised in the drawings, or a multiple-bobbin unit, as illustrated in EP 1,086,893 or EP 2,719,629 .
  • control means of the rotation of bobbin 3 consisting of an arm 4, mounted with an end thereof oscillating around a pin 4a and carrying, at the other free end thereof, a motorisation 5 for a rotating cylinder 6, which cylinder rests on the periphery of bobbin 3 and drives it into rotation by friction.
  • Tubular film P supplied by bobbin 3, passes first through a tensioning device 7 and subsequently through a guiding device 8 arranged in the lower part of the bobbin unit, so as to present the edge of film P standing vertically, from bottom to top, to a cutting and welding station 9.
  • the cutting and welding unit 9 of the hood is hence arranged in the lower part of the machine.
  • the cutting and welding unit 9 (represented in greater detail in fig. 2 ) comprises, in a way known per se, two opposite welding bars 9a, 9b, which can be mutually brought closer together and spread apart, as well as - upstream of these (in the advancement direction F of wrapping film P), that is, below them - a cutting blade 9c which can be brought closer together cooperating with an opposite cutting abutment 9d.
  • two opposite assemblies arise, each one comprising a part of the welding means and of the cutting means.
  • the two opposite assemblies are normally kept mutually distant (attitude shown in fig. 2 ), so as to define a running path for film P.
  • the two assemblies are provisionally brought closer together for welding and cutting, and then they are brought further apart again.
  • the welding means 9a, 9b (which operate in a fixed station, integral with the machine framework) operate at a height X1, while the cutting means operate at a height X2, below height X1. This is essential to obtain that the film severing occurs upstream - with respect to the supply direction - of the welding, so that the hood is finished and welded at the lower end, before being transferred to the fitting means.
  • guiding device 8 furthermore comprises holding and presenting means 8a (shown in greater detail in fig. 2 ), the function of which is to hold the free edge of film P (separated from the above-lying hood, already closed at the lower end thereof by welding unit 9b, through cutting unit 9c) until the moment of releasing it to gripping and advancing means- better described in the following - which grip it to drag it to and beyond said cutting and welding station 9.
  • Holding and presenting means 8a can be in the form of coupled flaps between which plastic film P is retained, free to slide, so that it presents the vertical free edge facing upwards.
  • the gripping and advancing means are split into two substantially independent sections, and precisely a first section, indicated overall with reference 10, substantially running vertically, and a second section, indicated overall with reference 11, substantially running horizontally.
  • a vertical dragging carriage 13 slidingly mounted from the bottom to the top of the machine and vice versa
  • another horizontal dragging carriage 20 slidingly mounted in a substantially horizontal direction, for example from post 1 of the machine towards a release station 12 and vice versa
  • below release station 12 there is provided, in a way known per se, a gripping and spreading-apart assembly 12', located on the vertical line of the stationing area of a load C to be wrapped.
  • gripping and spreading-apart assembly 12' will not be described in further detail, because generically known to a person skilled in the field and not forming specifically an object of the present invention.
  • Vertical dragging carriage 13 is provided with wheels 13a for sliding along a fixed vertical rail (not represented to simplify the drawing).
  • the vertical movement is controlled by a belt or chain 14, sliding on a pair of end pulleys 15 and 16, arranged along a ring-shaped path.
  • a motorisation 17 is associated with one of the two pulleys, preferably the upper pulley 16, a motorisation 17 is associated.
  • a pair of carriages 13 is provided, arranged on the two opposite sides of the frame (of which fig. 5 shows a single one), between which a lifting bar 30 is arranged - as will be described further on - lying according to the width of the plastic film and of a length at least equal to the width of film P which is unwound off bobbin 3.
  • Horizontal dragging carriage 20 is itself provided with guiding wheels 20a (see better in fig. 3 ) for the sliding along a fixed, horizontal rail (not shown to simplify the drawing).
  • the horizontal movement is controlled by a belt or chain 21, sliding on a pair of pulleys 22 and 23, arranged along a ring-like path.
  • a motorisation 24 is associated with one of the two pulleys, preferably the outermost pulley 23, a motorisation 24 is associated.
  • a single carriage is always shown, preferably a pair of carriages 20 is provided, arranged on the two opposite sides of the upper frame, between which a dragging bar 31 is arranged lying according to the width of the plastic film and of a length at least equal to the width of the film P which is unwound off bobbin 3.
  • the vertical rail, along which carriage 13 moves, is fastened on the post 1 of the machine.
  • the horizontal rail, along which carriage 20 moves, is fastened on a crossmember 11a of the upper frame which, according to an arrangement already known from application EP 2,719,629 , is capable of being vertically displaced along post 1, to adjust the height thereof to the current requirements, for example for maintenance or for operation start purposes.
  • first clamping members 30' On lifting bar 30 there are arranged first clamping members 30', mutually spaced apart with a suitable pitch to be able to come into cooperation with second clamping members 31' carried on dragging bar 31.
  • first clamping members 30' extend upwards, from lifting bar 30, so as to be able to securely hold the free edge of film P' so that it ends slightly above lifting bar 30.
  • Second clamping members 31' are configured to move closer to lifting bar 30 and clamp free edge P' in the gap left free between first clamping members 30'.
  • first clamping members 30' provides a pair of small, opposite clamping plungers 26, from which respective retaining lugs 27 extend upwards.
  • first clamping members 30' provides a pair of small, opposite clamping plungers 26, from which respective retaining lugs 27 extend upwards.
  • the pairs of small clamping plungers 26 are carried in the upper part of lifting bar 30'.
  • second clamping members 31' are equipped with opposite pairs of small plungers 26a, mounted in the lower part of dragging bar 31.
  • Opposite plungers 26 and 26a move into opposite directions on aligned and generally horizontal axes, so as to clamp between them the plastic film edge which presents itself always arranged in a vertical plane. Preferably they are maintained closer together (closed clamp) by elastic means, such as a spring 29 for first clamping members 30' and a spring 29a for second clamping members 31'; the moving away of opposite plungers 26 and 26a (clamp opening) is obtained by acting with an active control, for example through a hydraulic or compressed-air circuit.
  • elastic means such as a spring 29 for first clamping members 30' and a spring 29a for second clamping members 31'
  • Vertical dragging carriage 13 is initially arranged in the lower part of the travel thereof, in a position slightly lower than the one illustrated in fig. 2 , so that first clamping members 30' may clamp the plastic film sufficiently below the upper terminal edge thereof (cut by blade 9c), for example within the cut-outs provided on flaps 8a.
  • the top of holding and presenting means 8a is found at a height below height X2 at which cutting blade 9c operates, so as not to interfere with the movement thereof.
  • the active part of first clamping members 30' engages with the film at such a height X3 that, between said height and height X2 a free portion of film P remains, sufficient for performing the exchange operation in the way best described in the following.
  • First clamping members 30' are opened and then closed onto the film, so as to clamp the free edge of film P. Then vertical dragging carriage 13 is controlled in an upward movement, thereby dragging with itself the free edge of film P as far as a first desired height (which determines the hood length).
  • vertical dragging carriage 13 resumes the upward travel (if necessary) to an exchange station, which is found at a height corresponding to the crossing with the travel plane of the horizontal dragging carriage 20; in particular, in this station vertical dragging carriage 13 arranges itself so that retaining lugs 27 end approximately at the same height as the opposite plungers 26a of the second clamping members 31', as represented in fig. 4 .
  • the opposite plungers 26a of the horizontal dragging carriage are brought mutually closer together, clamping the film edge in the free gap between retaining lugs 27. Said lugs are instead mutually spaced apart, releasing the free edge of film which is integrally retained to horizontal dragging carriage 20.
  • this carriage 13 is simplified in fig. 5 (for sake of clearness of the drawing): a pair of sliding wheels 13a can be seen, integral with a bracket 13' at the lower end of which lifting bar 30 is attached, which carries a plurality of pairs of plungers 26 with the relative support lugs 27.
  • the length of bar 30 and the number of pairs of plungers 26 and lugs 27 are determined on the basis of the width l of the film supplied by bobbin 3, so as to ensure correct film dragging, with no inflexions.
  • carriage 20 is represented in a simplified manner: as a matter of fact, only wheels 20a and dragging bar 31, fully similar to the lifting bar 30 of carriage 13, in turn carrying a plurality of plungers 26a, can be seen.
  • Fig. 6 shows carriages 13 and 20 in the position already represented in fig. 4 , that is, in the exchange position. From this fig. 6 it can be noticed that plungers 26a retain the upper edge of film P' in the free gap left by lugs 27.
  • a synchronised control intervenes which determines the collection and delivery of the film from lifting bar 30 to dragging bar 31.
  • vertical dragging carriage 13 can descend back towards the lower part of the machine, while horizontal dragging carriage 20 starts moving towards release station 12, also dragging film P which rests on suitable guiding cylinders 40 ( fig. 7 ).
  • first clamping members 30' are open (see the moved-away plungers 26); it can hence reach the position shown in fig. 2 , wherein lugs 27 are mutually spaced apart to arrange themselves on the two sides of the edge of film P kept in position by presenting means 8a. While the previous hood is transferred through horizontal dragging carriage 20, in this lower position of the machine the closing of first clamping members 30' can be controlled, so as to grip a new portion of film P and drag it upwards (direction F) up to the preset height for forming a new hood of the desired size.
  • Such guiding means consist of a pair of sliding rollers, an upstream one 41 and a downstream one 42 arranged in the release station.
  • the two rollers 41 and 42 arranged with their rotation axis in the direction of the width of film P (hence orthogonal to the movement of horizontal dragging carriage 20), are maintained at a certain mutual distance ( fig. 8 ) as long as the horizontal dragging carriage 20 carries the free edge of film P in the proximity of downstream roller 42.
  • the opposite plungers 26a of carriage 20 are moved away and the edge of film is released, falling downwards between the two rollers 41 and 42.
  • downstream roller 42 is moved closer to upstream roller 41 (or in any case a relative moving-closer movement is established), gripping film P therebetween ( fig. 9 ).
  • the edge of film is hence firmly retained and then pushed downwards - where it will be taken by gripping and spreading-apart elements 12' - putting in rotation (in two opposite directions) the two rollers 41 and 42, one of which is necessarily driven into rotation.
  • the hooding apparatus allows to perfectly achieve the objects set forth in the premises.
  • the mechanical construction is of the traditional type, wherein the plastic film is always transferred by clamping systems, which guarantees a safe grip regardless of the film thicknesses and material.
  • this layout it is nevertheless possible to adjust the height of the gripping and spreading-apart assembly 12' and of the relative release station 12 to the current requirements, in particular for maintenance purposes.
  • the separation of the dragging movements on two distinct paths, a substantially vertical one and a substantially horizontal one allows to control the dragging members independently, so as to be able to produce a hood while the previous hood is delivered onto the load, thereby increasing apparatus productivity.
  • control devices such as plungers 26, chains 14 and 21, can take up also different shapes, provided the described function thereof is preserved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
EP15183963.6A 2014-09-05 2015-09-04 Machine de hotte d'extraction Active EP2993134B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20141545 2014-09-05

Publications (2)

Publication Number Publication Date
EP2993134A1 true EP2993134A1 (fr) 2016-03-09
EP2993134B1 EP2993134B1 (fr) 2017-03-01

Family

ID=51846802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15183963.6A Active EP2993134B1 (fr) 2014-09-05 2015-09-04 Machine de hotte d'extraction

Country Status (3)

Country Link
EP (1) EP2993134B1 (fr)
DK (1) DK2993134T3 (fr)
ES (1) ES2626569T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600127868A1 (it) * 2016-12-19 2018-06-19 Messersi Packaging Srl Macchina incappucciatrice con struttura perfezionata
IT201900001197A1 (it) * 2019-01-28 2020-07-28 Messersi Packaging Srl Macchina incappucciatrice con cambio film
EP3763625B1 (fr) * 2019-07-12 2022-04-20 Signode Industrial Group LLC Scelleuse de caisse aléatoire

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3234929A1 (de) * 1982-09-21 1984-03-22 Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co Kg, 7910 Neu-Ulm Vorrichtung zum ueberziehen eines gutstapels mit einem schlauch aus waermeschrumpffaehigem kunststoff
EP0285855A1 (fr) 1987-03-11 1988-10-12 Kurt Lachenmeier A/S Procédé et appareil pour emballer des articles dans une feuille thermoplastique sous forme de bande tubulaire
EP1060988A1 (fr) 1999-06-10 2000-12-20 Thimon S.A. Procédé et dispositif de mise en forme et de dépose d'une housse souple thermorétractable sur une charge palettisée
EP1086893A2 (fr) 1999-09-23 2001-03-28 Officina Meccanica Sestese S.p.A. Dispositif compact et reductible combiné pour emballer à l'aide d'un manchon plastique
EP1106507A1 (fr) * 1999-12-09 2001-06-13 Effe 3 Tl Srl Proçédé et dispositif pour appliquer une housse sur un objet
EP1510460A1 (fr) 2003-08-28 2005-03-02 OFFICINA MECCANICA SESTESE S.p.A. Procédé et appareil pour le suremballage scellé d' une charge avec un film tubulaire en matériau plastique étirable.
EP2258618A2 (fr) * 2009-06-05 2010-12-08 Maschinenfabrik Möllers GmbH Dispositif et procédé destinés à la fabrication d'une unité d'emballage
EP2719628A1 (fr) 2012-10-09 2014-04-16 OFFICINA MECCANICA SESTESE S.p.A. Machine de hotte d'extraction améliorée avec réglage de hauteur de dispositif de distribution
EP2719629A2 (fr) 2012-10-09 2014-04-16 OFFICINA MECCANICA SESTESE S.p.A. Machine de hotte d'extraction améliorée avec remplacement de bobine automatique

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3234929A1 (de) * 1982-09-21 1984-03-22 Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co Kg, 7910 Neu-Ulm Vorrichtung zum ueberziehen eines gutstapels mit einem schlauch aus waermeschrumpffaehigem kunststoff
EP0285855A1 (fr) 1987-03-11 1988-10-12 Kurt Lachenmeier A/S Procédé et appareil pour emballer des articles dans une feuille thermoplastique sous forme de bande tubulaire
EP1060988A1 (fr) 1999-06-10 2000-12-20 Thimon S.A. Procédé et dispositif de mise en forme et de dépose d'une housse souple thermorétractable sur une charge palettisée
EP1086893A2 (fr) 1999-09-23 2001-03-28 Officina Meccanica Sestese S.p.A. Dispositif compact et reductible combiné pour emballer à l'aide d'un manchon plastique
EP1106507A1 (fr) * 1999-12-09 2001-06-13 Effe 3 Tl Srl Proçédé et dispositif pour appliquer une housse sur un objet
EP1510460A1 (fr) 2003-08-28 2005-03-02 OFFICINA MECCANICA SESTESE S.p.A. Procédé et appareil pour le suremballage scellé d' une charge avec un film tubulaire en matériau plastique étirable.
EP2258618A2 (fr) * 2009-06-05 2010-12-08 Maschinenfabrik Möllers GmbH Dispositif et procédé destinés à la fabrication d'une unité d'emballage
EP2719628A1 (fr) 2012-10-09 2014-04-16 OFFICINA MECCANICA SESTESE S.p.A. Machine de hotte d'extraction améliorée avec réglage de hauteur de dispositif de distribution
EP2719629A2 (fr) 2012-10-09 2014-04-16 OFFICINA MECCANICA SESTESE S.p.A. Machine de hotte d'extraction améliorée avec remplacement de bobine automatique

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600127868A1 (it) * 2016-12-19 2018-06-19 Messersi Packaging Srl Macchina incappucciatrice con struttura perfezionata
EP3335998A1 (fr) * 2016-12-19 2018-06-20 Messersì Packaging S.R.L. Machine de hotte d'extraction présentant une structure améliorée
IT201900001197A1 (it) * 2019-01-28 2020-07-28 Messersi Packaging Srl Macchina incappucciatrice con cambio film
EP3686111A1 (fr) * 2019-01-28 2020-07-29 Messersì Packaging S.R.L. Housseuse avec système de changement de film
EP3763625B1 (fr) * 2019-07-12 2022-04-20 Signode Industrial Group LLC Scelleuse de caisse aléatoire

Also Published As

Publication number Publication date
ES2626569T3 (es) 2017-07-25
DK2993134T3 (en) 2017-05-01
EP2993134B1 (fr) 2017-03-01

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