EP2349846A1 - Dispositif et procédé pour former un tuyau flexible à partir d'une bande de matériau - Google Patents

Dispositif et procédé pour former un tuyau flexible à partir d'une bande de matériau

Info

Publication number
EP2349846A1
EP2349846A1 EP09825697A EP09825697A EP2349846A1 EP 2349846 A1 EP2349846 A1 EP 2349846A1 EP 09825697 A EP09825697 A EP 09825697A EP 09825697 A EP09825697 A EP 09825697A EP 2349846 A1 EP2349846 A1 EP 2349846A1
Authority
EP
European Patent Office
Prior art keywords
material web
deflection
edge
deflecting
hose
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.)
Withdrawn
Application number
EP09825697A
Other languages
German (de)
English (en)
Inventor
Roland Tanner
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.)
Ferag AG
Original Assignee
Ferag 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
Application filed by Ferag AG filed Critical Ferag AG
Publication of EP2349846A1 publication Critical patent/EP2349846A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • 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
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B2009/063—Forming shoulders
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/002—Packaging other articles presenting special problems packaging of information carriers, e.g. records, CD, DVD
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form

Definitions

  • the invention is in the field of packaging technology and relates to a device for forming a tube from a material web, in particular a film, and a corresponding operating method.
  • Methods and apparatus are used, for example, for packaging flat objects, for example individual printed products and / or other products, e.g. CDs, flat sample items or flat sample bags, or for packaging stacked groups of such items.
  • Devices for hose formation are known, for example, from WO 2005/118400 or EP-B 1 319 595. They each include a storage device for a material web roll, a deflection device and a pulling device with which the material web is unwound in its longitudinal direction from the material web roll and pulled by the deflection device and thereby deflected for the purpose of hose formation.
  • the deflection device comprises a first deflection edge, with which the material web is brought from a generally vertical or oblique orientation of their web plane in a generally horizontal position. On the horizontally oriented material web, the objects can be placed; For this purpose, a non-deflecting region of the material web, which serves as a support for the objects, usually supported from below.
  • the material web is folded in a side region or on both side regions towards the middle of the web, ie the web is folded in the longitudinal direction.
  • a second deflection edge which is straight and oblique to the longitudinal direction is used. If both side areas are to be folded over, two mutually running second deflection edges are present.
  • the first deflecting edge is formed in each case by a rod-shaped element (deflecting rod), which is oriented substantially in the transverse direction of the web.
  • the rod-shaped element has in a plan view from above a straight central part with curved in the direction of movement of the web or curved outer ends. This shape causes the web, which is brought from below and deflected at the first deflecting element, takes over the curvature of the first deflecting element. As a result, the actual folding of the side regions is facilitated at the second deflection and overstretching of the web avoided during folding.
  • the second deflecting edge is also realized in the known devices by a rod-shaped element (deflecting rod). So that the film runs reliably over this deflection bar and the web tension is kept constant, are above it a series of pressure rollers arranged, which press the material web against the deflection bar.
  • the material web is compressed or unevenly stretched at the bent sections of the first deflection edge. It can not build a uniform tension over the entire width of the film. Therefore, wrinkling or inhomogeneous stresses in the material web can occur, which can lead to an unclean seam or hole formation during later welding.
  • the material web part to be transferred is not supported in the area between the first deflecting bar and the second deflecting bar. The material web can bulge here so that this may not be compensated by the subsequent pressure rollers, which may also affect the subsequent welding process.
  • the use of a deflection bar with a circular cross-section as the second deflecting edge causes the pressure rollers to have only one point contact with the deflecting bar; There must therefore be several pressure rollers to influence the web in a defined manner.
  • EP-A 0 018 041, EP-A 1 652 771 and EP-A 1 500 591 disclose further devices for forming a tube from a sheet material.
  • EP-A 0 018 041 the shape of the deflecting elements is not explained in detail.
  • EP-A 1 652 771 and EP-A 1 500 591 the film is formed into a tube via cuff-like curved flat elements. At the curved deflection edges can also lead to uneven construction of the tensile stress and thus to the formation of wrinkles.
  • Another unsatisfactorily solved requirement is the adaptability to different thicknesses and formats of the objects to be wrapped.
  • the invention is therefore based on the object to reduce the problems of the prior art and in particular to provide a device for forming a tube of a material web, in particular a film, and a corresponding operating method available which or which a well-defined leadership of Material web when folding allows, so that the tensile stress acting on the web, over the entire web width is substantially constant.
  • the object is achieved by a device for forming a tube from a material web having the features of claim 1, a method having the features of claim 13 and a deflection device having the features of claim 20.
  • the device for forming a tube from a material web comprises a storage device for a material web roll, a deflection device for the
  • Deflection device comprises a first deflection edge and at least one second
  • the first deflection edge extends substantially transversely to the longitudinal direction of the material web and serves, for example, to bring the material web from an initially vertical position into a substantially horizontal position.
  • the at least one second deflection edge serves to shift the material web along at least one line extending in the longitudinal direction, ie to fold over one or both side regions towards the middle. It is oriented at a first angle relative to the longitudinal direction and downstream of the first Deflecting edge arranged.
  • the first deflecting edge has a first straight section and at least one second straight section which enclose a second angle ( ⁇ ) with each other.
  • the material web part that is not to be folded over the first straight section and the material web part (s) to be converted run over the second straight section (s).
  • the first deflecting edge in the plan view is therefore V-shaped; when the web is folded on both sides, it has three straight sections, with adjacent sections each enclosing the angle ß.
  • the angle ⁇ is chosen so that each point traverses substantially the same distance along any transverse line as it passes through the diverter.
  • This criterion of track uniformity allows to build a constant web tension over the entire web width. It can only be reached by a first deflection edge, which is composed of straight sections.
  • the invention allows a surprisingly good control of the web tension.
  • bending as in the prior art leads to different path lengths and therefore to different tension or inhomogeneous stresses.
  • deflection edges are also preferably straight. There are preferably no curved or curved material bridges between the deflection edges, but the material web overcomes any distances without guidance. This ensures that each point on the web is moved along a path that is straight or composed of straight sections of equal overall length.
  • the invention is particularly suitable for feeding the material web from below, ie in such a way that it is deflected by approximately 90 ° at the first deflecting edge.
  • the length of the first section of the first deflection edge corresponds to the width of the material web part that is not to be folded over.
  • the length of the second sections corresponds at least to the length of the material web parts to be converted, but they can also be longer.
  • the second deflecting edge and the two sections of the first deflecting edge or their imaginary (s) extensions meet one another in the plan view on the plane defined by the first deflecting edge.
  • the first deflection edge is preferably formed by the edge of a flat support for the material web or its part that is not to be folded, which forms an edge with the described bent shape in the entry region of the deflection device.
  • it may also be formed by a separate component whose upper side lies in the plane of the support surface.
  • the first deflection edge can also be defined by a plurality of separate elements.
  • the support may also be designed in several parts, e.g. consist of comb-like interlocking or offset elements lying one above the other, whose distance is variable in the transverse direction. This serves to adapt the hose width to different widths of the objects to be wrapped.
  • the second deflection edge is preferably formed by a plate-shaped deflection means. Its upper side forms a flat bearing surface for the umund Part of the material web, which runs parallel to the support surface for the non-foldable material web part. The already folded part runs parallel to the upper side on the underside of the deflecting means. As a result, a flat support and guidance of the material web is ensured and prevents bulging, for example due to an air flow.
  • the plate-shaped deflection means can also form the second section of the first deflection edge. However, it is particularly preferred if its the edge facing the input of the deflection, adjacent to the second deflection edge is arranged parallel or at a small angle of 5-20 °, in particular 8 ° to the second portion of the first deflection, but perpendicular to the support surface has a distance therefrom. By varying this distance, the tube can be adapted to different heights of the objects to be wrapped. The small angle difference has proven to be particularly advantageous in practice. Moreover, it is advantageous if the plate-shaped deflecting means is preferably disposed slightly sloping towards the outside, so that the clear height of the entry slot for the objects to be wrapped decreases slightly from inside to outside.
  • two such plate-shaped deflection means are present for forming a two-sided folded material web.
  • the distance of the deflection means in the transverse direction is preferably variable.
  • the material web is thus deflected within the deflecting device not only at defined deflection edges with straight sections, but also supported and guided by appropriate areal design of the deflection means and supports substantially at any time.
  • the position of the deflection edges is chosen so that a tensile stress is generated which is substantially constant over the entire width of the material web.
  • rollers are provided for adjusting the tensile force and / or pulling direction, which press the material web against the flat deflecting means / supports.
  • One or more such rollers may in particular be present above the plate-shaped deflecting means in the immediate vicinity of the second deflecting edges.
  • the axis of the rollers is preferably substantially perpendicular to the conveying direction of the material web. This makes it possible to equalize the tension so that the web tube is contracted in the transverse direction and thus lays tightly around the objects to be wrapped.
  • the axis of the rollers is preferably adjustable in order to perform a fine adjustment of the tension can.
  • the rollers can be driven or moved only by the material web.
  • the method according to the invention using the hose-forming device described provides for deflecting the material web at the first deflecting edge, the part of the material web not to be folded over the first deflecting edge
  • Section of the first deflecting edge and the Umbede part of the material web is guided over the second portion of the first deflecting edge, and further to convert the umbalden part of the material web at the second deflecting edge such that a tube of at least partially overlapping
  • Deflection edges succeed in building a constant tension over the entire web width and thus avoid undesirable wrinkling.
  • Irregularities in the tube produced are additionally avoided when the material web is supported or guided in particular in the deflection device, in particular by means of corresponding straight or even bearing surfaces.
  • the material web and the tube produced itself by the Traction device held under tension, for example by a combination of rollers and / or conveyor belts as a voltage-building and the web driving means.
  • the deflection device can also be used independently of the actual hose-forming device, i. without storage device and pulling device, for example, for retrofitting an existing hose forming device.
  • FIG. 1 shows a view of a hose forming device for transferring a material web in both side regions
  • FIG. 2 shows a view of the hose-forming device from FIG. 1 in the conveying direction of the material web on the support surface of the hose-forming device;
  • FIG. 3 shows a view of the hose forming device from FIG. 1 transverse to the conveying direction
  • Fig. 4 shows a section through the planar deflection means which define a first and further deflection edge;
  • Fig. 5 is a plan view of the conveying plane for illustrating the angle between the deflection edges.
  • FIGS. 1-4 show a hose forming device 1, which is designed to form a hose 3 from a continuous material web 2.
  • the hose is designed to form a hose 3 from a continuous material web 2.
  • the tube 3 is generated by flipping two side regions 2a, 2b towards the middle region 2c, wherein the side regions 2a, 2b overlap in an overlap region 2d and can be joined together here.
  • the tube 3 can be used for wrapping objects 4, which may be individual objects or stacks thereof, which are placed in a row one behind the other on the central region 2c.
  • the hose forming device 1 comprises a storage device 10 for a material web roll 5, a pulling device 20 and a deflection device 100, with which the first straight material web 2 is transferred to the tube by being pulled through the pulling device 20 by the deflection device 100. It also includes a support structure 30 with a flat support surface 32, on which the material web 2 or the tube 3 optionally rests with the objects 4 to be wrapped.
  • the support surface 32 defines a conveying plane E.
  • the longitudinal direction L is understood to be the direction of the material web 2 or the tube 3 when resting on the support surface 32. The material web 2 or the tube 3 is moved in this direction (conveying direction F).
  • the web 2 Before entering the Umlenkvorrides 100, the web 2 may have other orientations and be additionally deflected by one or more deflection rollers 33 or other deflection; In the present case, it is guided in a vertical direction from below to the deflection device 100.
  • the pulling device 20 is here formed by a belt conveyor with a belt 24 deflected around conveyor belt 22 whose upper run is in the conveying plane E.
  • the conveyor belt 22 extends over substantially the entire length of the support structure 30.
  • the drive can also be realized in other ways, for example by downstream of the deflecting device 100 arranged drive rollers.
  • other parts of the web 2 and / or the bearing device 10 may be driven. There may also be means for building up a constant web tension, for example rollers or rollers pressed against each other.
  • the hose-forming device 1 is preceded by a feed conveyor 40 (FIG. 3), which feeds the objects 4 to be wrapped in a row one behind the other in the conveying plane E.
  • a feed conveyor 40 FIG. 3
  • the row of objects can also be generated directly on the material web 2. Examples of this are described in WO 2005/118400.
  • the hose forming device 1 may also have welding devices, not shown here, to close the hose with a longitudinal seam and / or form transverse seams in the hose.
  • the deflecting device 100 will be described in more detail below:
  • the deflection device 100 comprises a first plate-shaped deflecting means 110 (first deflecting unit) with a flat top 112, which is arranged substantially in the conveying plane E and aligned with the support surface 32 and the conveyor belt 22 (FIG. 3) or alternatively an integral part of Support surface 32 may be.
  • the first deflection unit 110 which may be formed in one or more pieces,
  • the upper edge 114a, 116a, 117a of these three elements together form the first deflection edge A for the material web 2 and the entrance of the deflection device 100.
  • the upper side of the middle part 114 lies in the conveying plane E, while the upper sides of the side parts 116, 117 drop slightly outwards.
  • the middle part 114 can also be designed in two parts, wherein the two parts can be displaced relative to one another transversely to the conveying direction to adapt the length of the edge 114a to the desired hose width.
  • the first deflection edge A can thus be divided into three straight sections: a first section A.1, which is formed by the edge 114a and is oriented transversely to the longitudinal direction L or conveying direction F, and two second sections A.2, each with the section Al an obtuse angle ß include (for angle definition see Fig. 5). If only one side region 2 a, 2 b is to be transferred, only a second section A 2 can accordingly be present.
  • the deflecting device 100 also comprises two second plate-shaped deflecting means 120, 120 '(second deflecting units), which are spaced from the conveying plane E.
  • the distance d between the flat upper sides 122, 122 'of the deflection means 120, 120' and the conveying plane E can, as shown in Fig. 4, be varied.
  • the deflection means 120, 120 ' also have a flat bottom 123, 123', which runs parallel to the top.
  • the second deflection units 120, 120 ' have in the plan view from above a substantially trapezoidal shape, which can be freely selected within certain limits. They are relative to each other with respect to the central axis of the material web. 2 designed mirror-symmetrically.
  • the edges 124, 124 ' act as second deflection edges B, around which the material web parts 2a, 2b to be converted run around.
  • the edges 125, 125 'act as further deflection edges C whose function will be described below.
  • the upper sides 122, 122 'of the second plate-shaped deflecting means 120, 120' serve as bearing surfaces for the part 2a, 2b of the material web 2 which is still to be folded, and the lower sides 123, 123 'as guide surfaces for these material web parts after folding.
  • the second plate-shaped deflecting means 120, 120 ' are mounted so that their distance in the transverse direction of the material web 2 can be changed.
  • the plate-shaped deflection means 110, 120, 120 ' may be formed by one or more sheet metal parts. Preferably, as shown in FIG. 4 for some of the edges, they are bent downwardly to form rounded edges 114a, 116a, 117a, 125, 125 'to avoid damaging the web 2.
  • the deflection device 100 further comprises two devices for varying the tube tension 130, 130 ', each one of the second deflection means 120, 120 'are assigned. They each comprise a roller 132, 132 ', which is mounted on a bracket 134, 134' (column with pivotally mounted and height-adjustable lever arranged) such that its position and orientation relative to the deflection 120, 120 'and the height above the conveying plane E is adjustable.
  • the axes of rotation of the rollers 132, 132 ' have a substantially perpendicular to the edges 124, 124' extending orientation.
  • the device for varying the hose tension 130, 130 ' serves to prevent lifting of the material web 2 from the base 122, 122' and to achieve a fine correction in the tensile or tensile direction. Since the rollers 132, 132 'make a line-shaped or planar contact with the flat top surface 122, 122' of the deflection means 120, 120 ', the direction correction can be achieved by only a single element in contrast to the prior art; however, it is possible to use multiple roles.
  • Conveyor belt 22 circulating further conveyor belt 52.
  • the pressing device 50 serves the objects 4 coming from the feed device 40 in a
  • FIG. 5 illustrates the geometric relationships when deflecting a material web portion 2a of the width b at the first and second deflection edge A, B in the plan view onto the conveying plane E. For reasons of clarity, only the deflection in a side region 2a is shown.
  • the first deflecting edge A comprises a first section Al whose width corresponds to the middle material web part 2c which is not to be deflected and which is perpendicular to the conveying or longitudinal direction F, L is arranged.
  • a second section A.2 is arranged at an angle to the conveying direction F so that it encloses an angle ⁇ with the section Al.
  • the second deflection edge B extends at an angle ⁇ obliquely to the conveying direction F.
  • the edges Al, A.2 and B meet at a point Pl on each other.
  • the material web part 2a is completely folded over, ie its distance from the fold line 2e between the material web parts 2a and 2c corresponds to the width b of the material web part 2a.
  • the width b of the material web part 2a to be converted is to be changed, it is advantageous to also adapt the angles ⁇ , ⁇ .
  • the second plate-shaped deflection means 120, 120 'and the side wings 116, 117 are pivotable about an axis perpendicular to the conveying plane E axis.
  • the second plate-shaped deflecting means 120, 120 ' may also lie in or slightly above the conveying plane E, wherein the deflecting means 120, 120' may also form the second sections A.2 of the first deflecting edge A. In this case, could be dispensed with separate side parts 116, 117.
  • tops 122, 122 'of the deflection means 120, 120' lie at a distance d from the conveying plane E in a further plane E ', which is slightly larger as the object height is.
  • the lateral material web parts 2a, 2b can be placed so reliably around the objects.
  • the material web 2 in the area to be recirculated 2a, 2b is therefore first deflected obliquely (by about 45 °) over the first deflecting edge A (section A.2) and then runs over the side edge oriented parallel to A.2 125, 125 'of the deflection means 120, 120', which thus acts as a further deflection edge C and determines the hose height.
  • the material web parts 2a, 2b are deflected in the horizontal.
  • the deflecting means 120, 120 ' are additionally displaced parallel in the conveying direction, so that the deflection angle at the edge A.2 is essentially maintained.
  • the deflection means 110, 120, 120 'with a continuous support surface have the advantage that the material web 2 is moved flat after deflection at the edges and bulging and wrinkling is reduced.
  • continuous support surface is also understood a non-continuous surface, such as a perforated plate or the like.
  • Fig. 6 shows a variant of the device of Fig. 1. The same parts are labeled with the same reference numerals. In the following, only the differences are discussed:
  • the second sections A.2 of the first deflection edge A do not run parallel to the third deflection edges C, which are formed by the plate-shaped deflection means 120, 120 '. It is a small angle ⁇ of 5-12 °, here about 8 ° included.
  • the edges A.2 and C are also not in a common vertical plane, i. in alignment with each other, arranged, but have seen in the horizontal direction at a distance from each other.
  • angle ⁇ path differences of (imaginary) points, which are arranged along a transverse line of the material web, compensated when passing through the hose forming device.
  • the tube-forming device is particularly adapted so that it can be supplied to the material web substantially perpendicularly from below and thus meets at about 90 ° to the first deflection edge A.
  • the tube tension varying device 130, 130 ' comprises two rollers 132, 133 and 132 ', 133'. Their position above the plate-shaped deflection means 120, 120 'and the orientation of the axes of rotation can be adjusted individually. In the present case, the downstream rollers 133, 133 'are pivoted into an inactive position. The axes of rotation of the other rollers 132, 132 'are perpendicular to the conveying direction or longitudinal direction F, L. Since the rollers 132, 132' act on the material web in the area in which the material web is deflected about the second edges B, the Material web slightly contracted in the transverse direction and lays tightly around the objects to be wrapped.
  • the plates are thus used primarily for setting or varying the transverse stress of the material web.
  • the plate-shaped deflecting means 120, 120 ' preferably do not run exactly parallel to the lower bearing surface 32, but drop slightly towards the outside with an inclination of a few degrees.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

L'invention concerne un dispositif (1) pour former un tuyau flexible (3) à partir d'une bande de matériau (2), en particulier une feuille, qui peut être utilisé pour envelopper des objets (4) transportés en rang les uns derrière les autres, ainsi qu'un procédé de fonctionnement correspondant. Le dispositif comprend un dispositif de support (10) pour un rouleau de bande de matériau (5), un dispositif de déviation (100) pour la bande de matériau (2) et un dispositif de traction (20) qui est en mesure de mouvoir la bande de matériau (2) à travers le dispositif de déviation (100). Au moins un premier bord de déviation (A) et un deuxième bord de déviation (B) sont formés dans le dispositif de déviation (100), le premier bord de déviation (A) s'étendant essentiellement transversalement à la direction longitudinale (L) de la bande de matériau (2) pour dévier la bande de matériau (2) et le deuxième bord de déviation (B) étant formé le long d'au moins une ligne (2e) courant dans la direction longitudinale pour déplacer la bande de matériau (2), en ce sens qu'il est orienté à un premier angle (a) par rapport à la direction longitudinale (L) et est disposé en aval du premier bord de déviation (A). Selon l'invention, le premier bord de déviation (A) est constitué des sections droites et comprend en particulier une première section droite (A.1) ainsi qu'au moins une deuxième section droite (A.2) qui forment ensemble un deuxième angle (ß). Les sections droites permettent le développement d'une tension de traction homogène, ce qui évite la formation de plis dans la bande de matériau (2) et améliore la qualité du tuyau flexible.
EP09825697A 2008-11-13 2009-05-28 Dispositif et procédé pour former un tuyau flexible à partir d'une bande de matériau Withdrawn EP2349846A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01770/08A CH699875A1 (de) 2008-11-13 2008-11-13 Vorrichtung und verfahren zur bildung eines schlauchs aus einer materialbahn.
PCT/CH2009/000180 WO2010054489A1 (fr) 2008-11-13 2009-05-28 Dispositif et procédé pour former un tuyau flexible à partir d'une bande de matériau

Publications (1)

Publication Number Publication Date
EP2349846A1 true EP2349846A1 (fr) 2011-08-03

Family

ID=40347877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09825697A Withdrawn EP2349846A1 (fr) 2008-11-13 2009-05-28 Dispositif et procédé pour former un tuyau flexible à partir d'une bande de matériau

Country Status (6)

Country Link
US (1) US20110256998A1 (fr)
EP (1) EP2349846A1 (fr)
AU (1) AU2009316210A1 (fr)
CA (1) CA2742169A1 (fr)
CH (1) CH699875A1 (fr)
WO (1) WO2010054489A1 (fr)

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Publication number Priority date Publication date Assignee Title
ITMI20130406A1 (it) * 2013-03-18 2014-09-19 Sitma Machinery S P A Gruppo di piegatura di un foglio continuo in materiale da imballaggio, in particolare carta, applicabile a macchine confezionatrici automatiche e macchina confezionatrice automatica comprendente tale gruppo di piegatura
KR102410333B1 (ko) * 2015-07-07 2022-06-20 오씨아이 주식회사 포장장치

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AU2009316210A2 (en) 2011-06-16
AU2009316210A1 (en) 2010-05-20
CA2742169A1 (fr) 2010-05-20
US20110256998A1 (en) 2011-10-20
WO2010054489A1 (fr) 2010-05-20
CH699875A1 (de) 2010-05-14

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