EP3248904B1 - Emballage, procédé d'emballage et installation - Google Patents

Emballage, procédé d'emballage et installation Download PDF

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Publication number
EP3248904B1
EP3248904B1 EP17171928.9A EP17171928A EP3248904B1 EP 3248904 B1 EP3248904 B1 EP 3248904B1 EP 17171928 A EP17171928 A EP 17171928A EP 3248904 B1 EP3248904 B1 EP 3248904B1
Authority
EP
European Patent Office
Prior art keywords
article
protective band
folding matrix
opposite faces
lateral flanks
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
EP17171928.9A
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German (de)
English (en)
Other versions
EP3248904A1 (fr
Inventor
Domenico MARCHI
Claudio Albertini
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GRANITIFIANDRE SpA
Original Assignee
GRANITIFIANDRE SpA
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Publication date
Application filed by GRANITIFIANDRE SpA filed Critical GRANITIFIANDRE SpA
Publication of EP3248904A1 publication Critical patent/EP3248904A1/fr
Application granted granted Critical
Publication of EP3248904B1 publication Critical patent/EP3248904B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/46—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bricks, tiles or building blocks
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/008—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material by webs revolving around articles moved along the axis of revolution
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
    • 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
    • B65B23/00—Packaging fragile or shock-sensitive articles other than bottles; Unpacking eggs
    • B65B23/20—Packaging plate glass, tiles, or shingles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/063—Wrappers formed by one or more films or the like, e.g. nets
    • B65D71/066—Wrappers formed by one or more films or the like, e.g. nets and provided with inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/053—Corner, edge or end protectors
    • B65D81/058—Protectors contacting five surfaces of the packaged article, e.g. five-sided end protectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/006—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers in stretch films

Definitions

  • the present invention relates to a package, a packaging method and a plant for packaging an article, in particular of a ceramic slab or more preferably of a stack of ceramic slabs, having generally a parallelepiped shape and which has two opposite faces, typically a top face and a bottom face, and a plurality of peripheral flanks, of which at least a front flank, a rear flank and two lateral flanks.
  • ceramic slabs are packaged in groups of several units, where the ceramic slabs of each group are mutually superposed to form a stack which is enclosed inside a package made of cartonboard.
  • the package made of cartonboard is normally adapted to border the peripheral flanks of the stack of ceramic slabs, thus covering partially also the opposite faces but leaving uncovered a central portion which allows seeing the ceramic slabs from the outside.
  • This package made of cartonboard is usually obtained starting from a single die cut, which may be shaped like a frame which is rested on the top face of the stack and then is folded downwards over the peripheral flanks and over the bottom face, or like a continuous band which is enveloped about the peripheral flanks and simultaneously folded over the top and bottom faces.
  • a packaging system was proposed in the past that provides using two cartonboard die cuts, of which a first die cut is used for bordering the front flank and partially the lateral flanks of the stack of tiles, while a second die cut is used for bordering the rear flank and the portions of the lateral flanks left uncovered by the first die cut, on which it is at least partially superposed.
  • the package is closed and made stable by joining the two die cuts at the mutual superposing areas, for example by gluing or straps.
  • two die cuts of equal shape and size may be used for packaging ceramic slabs also having slightly different sizes from one another by simply increasing or decreasing the size of the mutual superposing areas.
  • a package When a package gets wet, it may tear, break and/or rot, thus making the stack of ceramic slabs therein contained unpresentable in terms of marketing.
  • the wet package may also release inks which are used to impress thereon trademarks and/or business logos, thus risking to soil or stain the ceramic slabs.
  • said cutting dies are to be divided into flaps or strips by means of scorings, which are intended to be positioned at the corners of the stacks. The cartonboard along these scorings is crushed and therefore les suitable for protecting the tiles, resulting in such tiles risking to be damaged more easily during transport.
  • EP 1 988 020 A1 , WO 2012/172485 A1 , FR2621895 A1 describe packages and methods of the prior art.
  • the present invention makes available a package according to claim 1.
  • the external cladding of extensible film effectively protects the protective bands from moisture, thus reducing the risk that the same may get wet and therefore decreasing the effects of the associated drawbacks.
  • the external cladding of extensible film also has the effect of effectively blocking and holding the protective bands in contact with the article, thus making superfluous the use of glues, strips or other fixing systems.
  • Another effect of the external cladding of extensible film is the one of at least partly increasing the level of mechanical protection for the article and for the protective bands, in particular at the most critical points such as corners.
  • the two protective bands may be conformed so as to cover the opposite faces of the article along a perimeter strip, thus leaving uncovered a central portion.
  • each protective band comprises at least a layer of a closed-cell expanded polymer, for example of closed-cell expanded polyethylene.
  • This layer of closed-cell expanded polymer has the effect of creating a kind of elastic mattress capable of absorbing at least partly the knocks which the package may be subjected to during the storing and transport so as to effectively protect the article therein contained.
  • the layer of closed-cell expanded polymer also gives each protective band great flexibility which allows it to be folded over the faces and over the flanks of the article, without the need for scoring lines. Thereby, the protective bands are capable of providing the article with increased mechanical protection with respect to conventional cartonboard cutting dies, especially at the corners.
  • each protective band comprises also a polymeric film fixed on the layer of closed-cell expanded polymer, for example a high-density polyethylene extensible film.
  • This layer of extensible polymeric film has the effect of mechanically supporting the layer of closed-cell expanded polymer, thus reducing the risk that the latter may be torn or ripped.
  • the extensible polymeric film is even more inkjet printable, thus allowing brands or business logos, text or any other design marks to be printed on the protective bands.
  • the fact that both layers are made of polymeric material also has the effect of making the protective bands easier to dispose of and/or recycle because there is no need to separate the two layers from each other.
  • each protective band may be orientated in such a way that the layer of closed-cell expanded polymer is in contact with the article.
  • Another aspect of the package provides for the two protective bands not to have points of reciprocal superposing.
  • the areas of the article which are covered by the first protective band are areas left uncovered by the second band and vice versa, thus minimizing the consumption of material and avoiding the package from having enlargements along the lateral flanks.
  • Each of the two envelopings allows blocking the relative protective band on the article independently from the other, thus allowing the two protective bands to be applied to the article to be packaged at various times and without the need to fix them to each other or directly to the article.
  • One aspect of the package provides for the extensible film of the external cladding to be transparent.
  • the extensible film of the external cladding may be polymeric, e.g. of polyethylene.
  • This type of material allows obtaining an external cladding having good mechanical qualities and which may be disposed of and/or recycled together with the protective bands.
  • Another embodiment of the present invention makes available a method for packaging an article according to claim 10.
  • This embodiment of the invention allows effectively making a package having the merits and advantages mentioned above.
  • all the features highlighted above dealing with the package as such, including for example the material of the protective bands, the material of the extensible film and the arrangement thereof, are intended as being valid also in relation to the method for making the package.
  • each of the two envelopings allows blocking the relative protective band on the article independently from the other, thus allowing the two protective bands to be applied to the article to be packaged at various times and without the need to fix them to each other or directly to the article.
  • one aspect of the method provides the step of winding the opposite faces and the lateral flanks of the article at the portions covered by the first protective band, with a first enveloping of extensible film, to be carried out before the step of covering the rear flank and partly the two lateral flanks and the two opposite faces of the article with the second protective band.
  • the semi-package may be moved between the two winding steps in a very simple manner, without the danger for the first protective band to be separated.
  • the step of covering the front flank and partly the two lateral flanks and the two opposite faces of the article with the first protective band may comprise the activities of:
  • the application of the first protective band may occur in an extremely simple and quick manner, without the need to use complicated systems that fold the protective band but simply through a step of advancing the article and the first protective band internally of the matrix.
  • Another aspect of the method provides for the external cladding of extensible film to be obtained by means of the activities of:
  • This aspect provides a simple and effective solution for making the first enveloping of extensible film on the first protective band by simply advancing the semi-package without the need for it to rotate on itself.
  • the last two aspects of the packaging method may naturally be applied similarly also to the second protective band and to the second enveloping of extensible film.
  • one aspect of the invention provides that the step of covering the rear flank and partly the two lateral flanks and the two opposite faces of the article with the second protective band, may comprise the activities of:
  • the external cladding of extensible film may be obtained by means of the activities of:
  • the step of positioning the article to turn the rear flank towards the inlet of the folding matrix provides rotating the article, for example rotating it on itself about an axis orthogonal to the opposite faces.
  • Another embodiment of the present invention finally makes available a plant according to claim 17.
  • This embodiment of the invention provides the operating tools for effectively making a package having the merits and advantages mentioned above by substantially putting into practice the operating steps of the packaging method.
  • all the features highlighted above dealing with the package and the packaging method as such, including for example the material of the protective bands, the material of the extensible film and the arrangement thereof, are intended as being valid also in relation to the plant for making the package.
  • the first covering device may comprise:
  • this solution ensures that the application of the first protective band may occur in an extremely simple and quick manner, simply through a step of advancing the article and the first protective band internally of the matrix.
  • the first winding device to comprise:
  • This aspect provides a simple and effective solution for making the first enveloping of extensible film on the first protective band by simply advancing the semi-package without the need for it to rotate on itself.
  • one aspect of the plant provides for the apparatus for rotating the strip to comprise:
  • the strip of extensible film is unwound by the reel as the reel rotates about the article.
  • the packaging plant may naturally be applied similarly also to the second protective band and to the second enveloping of extensible film.
  • the second covering device to comprise:
  • the second winding device may comprise:
  • the apparatus for rotating the strip may comprise:
  • the apparatus for positioning the article with the rear flank facing towards the inlet of the folding matrix may also comprise a device for rotating the article, for example for rotating it on itself about an axis orthogonal to the opposite faces.
  • the packaging plant may develop in line and by means of relatively simple and affordable movement systems.
  • a system for packaging an article 100 having generally the shape of a parallelepiped (see fig. 1 ), for example with six equal rectangular faces opposed to each other two-by-two, of which two opposite faces, respectively top 105 and bottom 110, and four peripheral flanks, of which one front flank 115, one rear flank 120 and two lateral flanks 125 and 130.
  • the article 100 may be formed by a single ceramic slab or plate, in which case it has a flattened shape with the peripheral flanks having a much narrower size (the thickness) with respect to the top and bottom faces 105 and 110.
  • the article 100 consists of a stack of ceramic slabs or plates, for example of two or more ceramic slabs or plates, which are stacked on each other in an orderly manner so as to be perfectly superposed, and they are therefore capable of forming globally a parallelepiped article as outlined above.
  • the article 100 is packaged inside a peripheral frame 200, which is adapted to border the peripheral flanks 115, 120, 125 and 130, thus covering partly also the opposite faces 105 and 110 but leaving uncovered a central portion which allows seeing the article 100 from the outside.
  • This peripheral frame 200 comprises two protective bands (see fig. 4 ), of which a first protective band 205 for bordering the front flank 115 and partly the two lateral flanks 125 and 130, and a second protective band 210 for bordering the rear flank 120 and partly the two lateral flanks 125 and 130, preferably without any point of superposing with the first protective band 205.
  • each protective band 205 and 210 may have a substantially rectangular shape, as shown in figure 3 , with length L greater than the length of the front 115 and rear 120 flanks, for example equal to or slightly smaller than the sum of the length of one of the front 115 or rear 120 flanks and the length of one of the lateral flanks 125 or 130, and a height H greater than the height of the peripheral flanks 115, 120, 125 and 130.
  • the first protective band 205 covers completely the front flank 115
  • the second protective band 210 covers completely the rear flank 120
  • the two lateral flanks 125 and 130 and the two opposite faces 105 and 110 are covered partly by the first and partly by the second protective band 205 and 210.
  • each protective band 205 and 210 may have two pairs of bevels 215, where each pair comprises two bevels 215 obtained on the opposite sides of the protective band.
  • Each bevel 215 is substantially made as a triangular notch, with the base arranged on the side on which it is obtained and the vertex facing towards the opposite side and having an opening of about 45°.
  • the linear distance between the bevels 215 made on each side is about equal to the length of the front 115 and rear 120 flanks of the article 100, while the distance between the vertexes of each pair of bevels 215 mutually opposite to each other on the two sides is about equal to the overall thickness of the article 100.
  • the ideal rectangle having as a vertex the vertexes of the four bevels 215 is the portion of each protective band 205 and 210 which respectively covers the front flank 115 or the rear flank 120 of the article 100, while the portions outside this ideal rectangle are the ones which are folded over the lateral flanks 125 and 130 and over the top 105 and bottom 110 faces.
  • each protective band 205 and 210 may consist of a material with comprises at least a layer of a closed-cell expanded polymer, for example closed-cell expanded polyethylene, and possibly also a layer of polymeric film, for example a high-density polyethylene extensible film, which is firmly fixed on the layer of closed-cell expanded polymer thus covering it completely.
  • the layer of closed-cell expanded polymer is placed in direct contact with the article 100, thus defining a kind of soft and elastic mattress capable of absorbing at least partly the knocks that article 100 may be subjected to, while the extensible polymeric film remains facing outwards to mechanically carry the layer of closed-cell expanded polymer, thus reducing the risk that it may be torn or ripped.
  • the outer layer of extensible film may also be inkjet printed beforehand so as to replicate thereon trademarks or business logos, text or any other design marks.
  • the package comprises finally an external cladding 220 of extensible film, which is for covering the opposite faces 105 and 110 and the lateral flanks 125 and 130 of the article 100, thus covering also the portions of the protective bands 205 and 210 covering them.
  • the extensible film of the external cladding 220 may be transparent and may also be polymeric in nature, e.g. made of polyethylene.
  • the extensible film may be applied on the article 100 in two different moments (see fig. 4 ) so that the external cladding 220 is made from two distinct envelopings of extensible film, of which a first enveloping 225 for winding the faces of the article 100 at the portions covered by the first protective band 205, and a second enveloping 230 for winding the faces of the article 100 at the portions covered by the second protective band 210.
  • protective bands 205 and 210 effectively protect the article 100 (for example, the stack of ceramic slabs) from knocks which they may be subjected to during the storing and transport, and where the external cladding 220 of extensible film effectively protects the protective bands 205 and 210 from moisture, thus reducing the risk that the same may get wet and therefore may rip, break or be otherwise damaged.
  • a plant 300 may be used of the type of the one schematized in figure 5 , which provides in general advancing the article 100 through a series of devices placed in operating sequence with one another, namely adapted to act one after the other on the article 100 which is advanced.
  • These operating devices comprise firstly a device 305 for applying the first protective band 205 on the front flank 115 and partly the two lateral flanks 125 and 130 and on the two opposite faces 105 and 110 of the article 100.
  • This device 305 comprises a folding matrix, indicated globally with 310, which comprises an element or assembly of elements which are globally adapted to define a kind of frame which delimits a passage 315, which is open at both the opposite ends, through which the article 100 passes.
  • This passage 315 extends longitudinally along a preset central axis X of the folding matrix 310, from an inlet 320 towards an outlet 325.
  • This passage 315 namely the section in a plane orthogonal to the central axis X, has substantially the same rectangular shape as the front 115 and rear 120 flanks of the article 100 but slightly larger sizes, for example larger by a quantity equal to double the thickness of the protective bands.
  • this passage 315 may be rather small, for example smaller than the length of the lateral flanks 125 and 130 of the article 100, and that its sides are not to be necessarily defined by continuous and closed elements, it being sufficient for them to be defined by sides which globally lie on mutually orthogonal planes adapted to define the perimeter of the aforesaid passage 315.
  • the passage 315 may be for example defined by two lateral sides 330 and 335 lying vertically and mutually opposite, by a pair of top sides 340 lying horizontally and mutually coplanar, and by a pair of bottom sides 345, again lying horizontally, mutually coplanar but opposite to the top sides 340.
  • the sides 330, 335, 340 and 345 delimit globally the sides of a rectangular corridor with a central axis X developing horizontally that defines the aforesaid passage 315.
  • the sizes of this passage 315 may be adjusted according to the format of the article 100 to be packaged, namely the specific transversal sizes of the latter.
  • the lateral sides 330 and 335 may be associated with first movement means that allow them to be mutually moved away from or close to each other in horizontal direction to vary the width of the passage 315
  • the top sides 340 may be associated with second movement means that allow them to be moved close to the bottom sides 345 in vertical direction to vary the height of the passage 315.
  • the first and the second movement means are not described in greater detail because they are in themselves conventional.
  • top sides 340 and the bottom sides 345 could be provided with a mutual approaching/distancing movement in horizontal direction, similar to the one of the lateral sides 330 and 335, so as to adapt the reciprocal distance thereof to the actual width of the passage 315 and therefore of the article 100 to be packaged.
  • top sides 340 and the bottom sides 345 could also be made from a single side, respectively top and bottom.
  • both the lateral sides 330 and 335 and the top and bottom sides 340 and 345 may be provided with a curved portion placed at the inlet 320 of the passage 315 to create an invitation that facilitates the inlet of the article 100.
  • the sides 330, 335, 340 and 345 are all placed substantially in the same axial position, in other embodiments, the sides could be at least slightly offset with one another along the direction of the central axis X.
  • the device 305 further comprises an apparatus 350 adapted to position the article 100 to be packaged aligned in front of the folding matrix 310, with the front flank 115 facing towards the inlet 320 of the passage 315.
  • This apparatus 350 may comprise for example, a linear conveyor 355 defining a sliding plane, which is substantially coplanar to the bottom sides 345 of the folding matrix 310, which is adapted to receive in abutment the article 100 already conveniently oriented and to advance it in the direction of the central axis X towards the inlet 320 of the passage 315.
  • this linear conveyor 355 could be defined by two parallel and mutually coplanar sliding belts 360 (see fig. 6 ) which are separated by a gap and are adapted to slide simultaneously and at the same speed in front of the folding matrix 310.
  • the device 305 further comprises an apparatus 365 for interposing the first protective band 205 in flat configuration, namely still developed flat, between the front flank 115 of the article 100 which is on the plane of the linear conveyor 355 and the inlet 320 of the folding matrix 310.
  • the first protective band 205 which as anticipated has generally a rectangular shape, is oriented vertically and is placed in front of the inlet 320 of the folding matrix 310 so as to occlude the passage 315 with respect to the advancement direction X of the article 100 (see for example fig. 13 ).
  • the apparatus 365 may comprise support means 370 for at least one reel of a strip 375 of the material which is intended to make the protective band 205, which support means may be positioned beside the folding matrix 310.
  • the reel may be already vertically oriented on these support means 370 so that the strip 375 which unwinds from it is lying vertically and substantially at the same height as the folding matrix 310.
  • the apparatus 365 further comprises a first and a second gripper, respectively 380 and 385, each of which is adapted to grasp and selectively release the strip 375 which unwinds from the reel.
  • grippers 380 and 385 are associated with suitable movement means (not shown) which allow them to slide independently from each other along a horizontal direction Y which is orthogonal to the central axis X of the folding matrix 310.
  • the two grippers 380 and 385 are mutually aligned with each other along this sliding direction Y.
  • each gripper 380 and 385 is adapted to slide in both directions from a respective retracted position (shown in figure 7 ) towards a respective advanced position (shown in figure 14 ).
  • the grippers 380 and 385 are close to each other and both placed on the same side as the folding matrix 310, for example with the first gripper 380 located further from the folding matrix 310 with respect to the second gripper 385.
  • the first gripper 380 moves near to the folding matrix 310, thus remaining always localized on the same side in which it was previously, while the second gripper 385 is on the opposite side of the folding matrix 310.
  • each gripper 380 and 385 comprises generally a pair of jaws adapted to mutually move in an approaching and distancing manner in direction orthogonal to the sliding direction Y.
  • the apparatus 365 further comprises a clamp 390 which is positioned beside the folding matrix 310, on the same side in which also the grippers 380 and 385 are in resting position.
  • the clamp 390 is aligned with the grippers 380 and 385 along the sliding direction Y and is located further away from the folding matrix 310 with respect to the grippers themselves.
  • the clamp 390 comprises generally a pair of jaws adapted to mutually move in an approaching and distancing manner in direction orthogonal to the sliding direction Y, respectively to tighten and release the strip 375 which unwinds from the reel.
  • the clamp 390 may not however slide along the direction Y since it is provided for it to remain always still in the same position.
  • the apparatus 365 may comprise cutting means 395 which are adapted to cut the strip 375 in transversal direction so as to separate one portion thereof which defines the first protective band 205.
  • the cutting means 395 are not further described because they are in themselves conventional.
  • the apparatus 365 may finally comprise a cutting machine 400 adapted to make the pairs of bevels 215 along the opposite edges of the first protective band 205.
  • the cutting machine 400 is positioned beside the folding matrix 310, on the same side on which there is also the clamp 390, with respect to which it is aligned along the sliding direction Y.
  • the cutting machine 400 operates in fixed position and comprises a cutting die and a counter-cutting die which are mutually movable in direction orthogonal to the sliding direction Y.
  • the first and the second gripper 380 and 385 in retracted position are comprised between the clamp 390 and the cutting machine 400, while in the advanced position (see figure 14 ), they are both positioned on the side opposite to the cutting machine 400.
  • the mutual distancing stroke between the cutting die and the counter-cutting die of the cutting machine 400 is to be sufficiently large to allow the passage of the two grippers 380 and 385.
  • the strip 375 which unwinds from the reel is deflected by one or more return rollers so that the end stretch thereof is aligned to the sliding direction Y.
  • the end stretch of the strip 375 is initially narrow when clamped by the clamp 390 so that the end edge thereof projects towards the folding matrix 310 and passes through the open jaws of the two grippers 380 and 385 which are in the retracted position (see fig. 8 ).
  • the two grippers 380 and 385 tighten on the strip 375
  • the clamp 390 opens and the two grippers 380 and 385 are then advanced along the sliding direction Y towards the folding matrix 310, dragging with it the strip 375 which unwinds progressively from the reel (see fig. 8 ).
  • the first gripper 380 stops and opens while the second gripper 385 continues advancing, passing through the cutting die and the counter-cutting die of the cutting machine 400 (see fig. 9 ).
  • the second gripper 385 stops and the cutting machine 400 begins operation, which makes the first pair of bevels 215 (see fig. 10 ) along the opposite edges of the strip 375.
  • the second gripper 385 stops and the cutting machine 400 begins operating again, which makes the second pair of bevels 215 (see fig. 11 ) along the opposite edges of the strip 375.
  • the clamp 390 and the first gripper 380 tighten on the strip 375, after which operation begins by the cutting means 395, which separate the portion of strip in which the bevels 215 were made, thus obtaining the first protective band 205 (see fig. 12 ).
  • the first protective band 205 is carried by the two grippers 380 and 385, which are therefore advanced simultaneously up to reaching the respective advanced positions, bringing thereby the protective band 205 in position aligned in front of the inlet 320 of the folding matrix 310 (see fig. 13 ).
  • the grippers 380 and 385 open (see fig. 14 ) and then return to the respective retracted positions so as to repeat the previous operations in order to prepare a new protective band.
  • the operating positions (retracted and advanced) of the two grippers 380 and 385, as well as the positions of the clamp 390, of the cutting means 395 and of the cutting machine 400, may be conveniently adjusted according to the length of the first protective band 205, i.e. according to the format of the article 100 to be packaged.
  • the device 305 further comprises an apparatus 405 for advancing the article 100 through the folding matrix 310 after the first protective band 205 was interposed between the front flank 115 of the article 100 and the inlet 320 of the folding matrix 310.
  • this apparatus 405 may comprise e.g. a pushing member 410, which is associated with suitable movement means (not shown) which allow it to move in the direction of the central axis X of the folding matrix 310 from a retracted position (shown in figure 13 ) to an advanced position (shown in figure 14 ).
  • the pushing member 410 in retracted position is positioned above the linear conveyor 355 of the positioning apparatus 350 (see figures 5 and 13 ), upstream of the folding matrix 310 with respect to the advancement direction X, while in the advanced position, the pushing member 410 is positioned downstream of the folding matrix 310 (see fig. 14 ).
  • the pushing member 410 may be configured so as to slide along the gap between the two sliding belts 360 which define the linear conveyor 355 and so as to merge between the two bottom sides 345 of the folding matrix 310 (see also fig. 6 ).
  • the pushing member 410 in retracted position is located behind the article 100 to be packaged (with respect to the advancement direction X) so that by moving towards the advanced position, the pushing member 410 pushes the article 100 to slide on the linear conveyor 355 and then to merge progressively in the folding matrix 310.
  • the front flank 115 of the article 100 comes first into contact with the central portion of the protective band 205 and then pushes it to be inserted therewith internally of the passage 315 of the folding matrix 310.
  • the sides 330, 335, 340 and 345 of the folding matrix 310 ensure that in addition to covering the front flank 115, the first protective band 205 folds also over the lateral flanks 125 and 130 and over the opposite faces 105 and 110, as was already described above.
  • the actuating means bring the pushing member 410 back to the retracted position, for example by passing it below the linear conveyor 355, which in the meantime may have brought a new article to be packaged.
  • the plant 300 comprises a winding device 415 for making the first enveloping 225 of extensible film, namely the one which covers the opposite faces 105 and 110 and the peripheral flanks 115, 120, 125 and 130 of the article 100 at the portions covered by the first protective band 205.
  • This winding device 415 comprises essentially a support element 420 adapted to carry a reel on which a strip of extensible film 425 is wound and an actuation system (not shown) which is adapted to rotate the support element 420 (and therefore the reel) about the central axis X of the folding matrix 310.
  • the support element 420 is adapted to carry the reel so that the axis of the latter is parallel to but spaced apart from the central axis X of the folding matrix 310, so that the reel is substantially adapted to perform a revolutionary motion which does not interfere with the advancing of the article 100.
  • the winding device 415 further comprises an apparatus 430, comprising e.g. a gripper device or similar, which is positioned as close to the folding matrix 310 as possible with respect to the reel and is adapted to carry and hold the free end of the strip of extensible film 425 close to the outlet 325 of the folding matrix 310.
  • an apparatus 430 comprising e.g. a gripper device or similar, which is positioned as close to the folding matrix 310 as possible with respect to the reel and is adapted to carry and hold the free end of the strip of extensible film 425 close to the outlet 325 of the folding matrix 310.
  • This apparatus 430 may comprise also cutting means adapted to transversally cut the strip of extensible film 425.
  • the actuating means engage the support element 420 of the reel to rotate about the central axis X.
  • the apparatus 430 holds the free end of the strip of extensible film 425, which starts therefore to wind about the article 100.
  • the apparatus 430 releases the free end of the strip.
  • the reel continues rotating about it, thus performing a plurality of windings up to completing the first enveloping 225.
  • the reel is stopped and the apparatus 430 grasps the strip of extensible film 425.
  • the cutting means on the apparatus 430 cut the strip of extensible film 425, thus separating it from the first enveloping 225 and therefore freeing the article 100.
  • the plant 300 Downstream of the winding device 415 (with respect to the advancement direction X), the plant 300 comprises a device 435 for applying the second protective band 210 on the rear flank 120 and partially on the two lateral flanks 125 and 130 and on the two opposite faces 105 and 110 of the article 100.
  • This device 435 comprises a folding matrix, indicated globally with 440, which delimits a passage 445 that extends longitudinally along a preset central axis X from an inlet 450 towards an outlet 455.
  • the description of the folding matrix 440 is entirely similar to the description of the first folding matrix 310, to which reference is made for further details.
  • the device 435 further comprises an apparatus 460 adapted to position the article 100 to be packaged aligned in front of the folding matrix 440, with the rear flank 120 facing towards the inlet 450 of the passage 445.
  • This apparatus 460 may comprise for example, a first linear conveyor 465 defining a sliding plane which is adapted to receive in abutment the article 100 exiting from the first folding matrix 310, downstream of the winding device 415.
  • This first linear conveyor 465 may advance the article 100 always in direction X up to transferring it on a second linear conveyor 470, which may be assembled above a rotating platform.
  • the article 100 Due to the rotation of the rotating platform, the article 100 is rotated on itself about a vertical axis Z, for example by 180°, so as to turn the rear flank 120 of the article 100 towards the second folding matrix 440.
  • the positioning apparatus 460 may comprise a third linear conveyor 475, which is adapted to move the article 100 close to the inlet 450 of the folding matrix 440.
  • this third linear conveyor 475 is entirely similar to the description of the linear conveyor 355 placed at the inlet of the first folding matrix 310.
  • the device 435 further comprises an apparatus 480 for interposing the second protective band 210 in flat configuration, namely still developed flat, between the rear flank 120 of the article 100 which is on the third linear conveyor 475 and the inlet 450 of the folding matrix 440.
  • this apparatus 480 is entirely similar to the description of the apparatus 365 associated with the first folding matrix 310, to which reference is made for further details.
  • the device 435 comprises also an apparatus 485 for then advancing the article 100 through the folding matrix 440, for example by means of a pushing member 490.
  • this pushing member 490 and of the relative actuating means is entirely similar to the description of the pushing member 410, to which reference is made for further details.
  • the plant 300 comprises a second winding device 495 for making the second enveloping 230 of extensible film, namely the one which covers the opposite faces 105 and 110 and the peripheral flanks 115, 120, 125 and 130 of the article 100 at the portions covered by the second protective band 210.
  • the second enveloping 230 is joined to the first enveloping 225, thus completing the external cladding 220 and therefore the packaging of the article 100 which may then be palletized.
  • the second winding device 495 comprises generally a support element 500 for a reel of a strip of extensible film 505, an apparatus 510 for positioning the free end of said strip 505 close to the outlet 455 of the folding matrix 440, and means (not shown) for rotating the support element 500 about the axis X as the article 100 exits.
  • this second winding device 495 is entirely similar to the description of the first winding device 415, to which reference is made for further details.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Packages (AREA)
  • Buffer Packaging (AREA)

Claims (22)

  1. Emballage comprenant :
    - un article (100) disposant de deux faces opposées (105, 110) et d'une pluralité de flancs, parmi lesquels au moins un flanc avant (115), un flanc arrière (120) et deux flancs latéraux (125, 130),
    - au moins deux bandes de protection, parmi lesquelles une première bande de protection (205) recouvrant le flanc avant (115) et une partie des deux flancs latéraux (125, 130) et des deux faces opposées (105, 110) de l'article (100), et une seconde bande de protection (210) recouvrant complètement le flanc arrière (120) et une partie des deux flancs latéraux (125, 130) et des deux faces opposées (105, 110) de l'article,
    - un revêtement externe (220) composé de film extensible recouvrant les faces opposées (105, 110) et les flancs latéraux (125, 130) de l'article (100) et les parties des deux bandes de protection (205, 210) les recouvrant,
    dans lequel le revêtement externe (220) comprend un premier enveloppement (225) de film extensible enroulé autour des faces opposées (105, 110) et des flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la première bande de protection (205),
    le dit emballage caractérisé en ce que
    le revêtement externe comprend un second enveloppement (230) du film extensible, distinct du premier enveloppement enroulé autour des faces opposées (105, 110) et des flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la deuxième bande de protection (210).
  2. Emballage selon la revendication 1, dans lequel les deux bandes de protection (205, 210) sont conçues de façon à recouvrir les faces opposées (105, 110) de l'article (100) le long d'une bande de périmètre, laissant une partie centrale de ce dernier non recouverte.
  3. Emballage selon la revendication 1 ou 2, dans lequel chaque bande de protection (205, 210) comprend au moins une couche d'un polymère expansé à cellules fermées.
  4. Emballage selon la revendication 3, dans lequel chaque bande de protection (205, 210) comprend un film polymère fixé sur la couche de polymère expansé à cellules fermées.
  5. Emballage selon la revendication 3 ou 4, dans lequel chaque bande de protection (205, 210) est orientée de façon à ce que la couche de polymère expansé à cellules fermées soit en contact avec l'article (100).
  6. Emballage selon l'une quelconque des revendications précédentes, dans lequel les deux bandes de protection (205, 210) ne disposent d'aucun point de superposition réciproque.
  7. Emballage selon l'une quelconque des revendications précédentes, dans lequel le film extensible du revêtement externe (220) est transparent.
  8. Emballage selon l'une quelconque des revendications précédentes, dans lequel le film extensible du revêtement externe (220) est en polymère.
  9. Emballage selon l'une quelconque des revendications précédentes, dans lequel l'article (100) comprend une plaque en céramique ou une superposition de plaques céramiques.
  10. Méthode pour l'emballage d'au moins un article (100), dans lequel ledit article dispose de deux faces opposées (105, 110) et d'une pluralité de flancs, parmi lesquels au moins un flanc avant (115), un flanc arrière (120) et deux flancs latéraux (125, 130), et dans lequel la méthode comprend les étapes suivantes :
    - le recouvrement du flanc avant (115) et d'une partie des deux flancs latéraux (125, 130) et des deux faces opposés (105, 110) de l'article (100) avec une première bande de protection (205),
    - le recouvrement du flanc arrière (120) et d'une partie des deux flancs latéraux (125, 130) et des deux faces opposés (105, 110) de l'article (100) avec une seconde bande de protection (210),
    - le recouvrement des deux faces opposées (105, 110) et des flancs latéraux (125, 130) de l'article (100) et des parties des deux bandes de protection (205, 210) avec un revêtement externe (220) composé d'un film extensible,
    dans laquelle l'étape de recouvrement par un revêtement externe (220) comprend l'enroulement des faces opposées (105, 110) et des flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la première bande de protection (205) avec un premier enveloppement (225) de film extensible,
    ladite méthode étant caractérisée en ce que
    l'étape de recouvrement par un revêtement externe comprend l'enroulement des deux faces opposées (105, 110) et des flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la seconde bande de protection (210) avec un second enveloppement (230) de film extensible, distinct du premier enveloppement (225).
  11. Méthode selon la revendication 10, dans laquelle l'étape d'enroulement des faces opposées (105, 110) et des flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la première bande de protection (205), avec un premier enveloppement (225) de film extensible, est effectuée avant l'étape de recouvrement du flanc arrière (120) et d'une partie des deux flancs latéraux (125, 130) et des deux faces opposées (105, 110) de l'article (100) avec la seconde bande de protection (210).
  12. Méthode selon la revendication 10 ou 11, dans laquelle l'étape de recouvrement du flanc avant (115) et d'une partie des deux flancs latéraux (125, 130) et des deux faces opposées (105, 110) de l'article (100) par une première bande de protection (205), comprend les activités suivantes :
    - le positionnement de l'article (100) de façon à tourner le flanc avant (115) vers une entrée (320) d'une matrice de pliage (310),
    - l'interposition de la première bande de protection (205) dans une configuration plate entre le flanc avant (115) de l'article (100) et la matrice de pliage (310),
    - l'avancement de l'article (100) dans la matrice de pliage (310) de façon à obtenir une interception préliminaire de la première bande de protection (205) par le flanc avant (115) et une insertion consécutive de l'article (100) et de la première bande de protection (205) à l'intérieur de la matrice de pliage (310).
  13. Méthode selon la revendication 12, dans laquelle le revêtement externe (220) du film extensible est obtenu par :
    - le positionnement d'une extrémité libre d'une bande (425) de film extensible à proximité d'une sortie (325) de la matrice de pliage (310) et,
    - alors que l'article (100) ressort de la matrice de pliage (310), la rotation de la bande (425) de film extensible autour d'un axe de rotation parallèle au sens d'avancement (X) de l'article (100), en enroulant la bande autour des faces opposées (105, 110) et des flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la bande de protection (205).
  14. Méthode selon l'une quelconque des revendications 10 à 13, dans laquelle l'étape de recouvrement du flanc arrière (120) et d'une partie des deux flancs latéraux (125, 130) et des deux faces opposées (105, 110) de l'article (100) par une seconde bande de protection (210) comprend les activités suivantes :
    - le positionnement de l'article (100) de façon à tourner le flanc arrière (120) vers une entrée (450) d'une matrice de pliage (440),
    - l'interposition de la seconde bande de protection (210) dans une configuration plate entre le flanc arrière (120) de l'article (100) et la matrice de pliage (440),
    - l'avancement de l'article (100) dans la matrice de pliage (440) de façon à obtenir une interception préliminaire de la seconde bande de protection (210) par le flanc arrière (120) et une insertion consécutive de l'article (100) et de la seconde bande de protection (210) à l'intérieur de la matrice de pliage (440).
  15. Méthode selon la revendication 14, dans laquelle le revêtement externe (220) du film extensible est obtenu par :
    - le positionnement d'une extrémité libre d'une bande (505) de film extensible à proximité d'une sortie (455) de la matrice de pliage (440), et
    - alors que l'article (100) ressort de la matrice de pliage (440), la rotation de la bande (505) de film extensible autour d'un axe de rotation parallèle au sens d'avancement (X) de l'article (100), en enroulant la bande autour des faces opposées (105, 110) et des flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la seconde bande de protection (210).
  16. Méthode selon la revendication 14 ou 15, dans laquelle l'étape de positionnement de l'article (100) pour la rotation du flanc arrière (120) vers l'entrée (450) de la matrice de pliage (440) comprend la rotation de l'article.
  17. Installation (300) pour l'emballage d'un article (100) disposant de deux faces opposées (105, 110) et d'une pluralité de flancs, parmi lesquels au moins un flanc avant (115), un flanc arrière (120) et deux flancs latéraux (125, 130),
    ladite installation (300) étant caractérisée en ce qu'elle
    comprend, en état de fonctionnement :
    - un premier dispositif (305) pour recouvrir le flanc avant (115) et une partie des deux flancs latéraux (125, 130) et des deux faces opposées (105, 110) de l'article (100) par une première bande de protection (205),
    - un premier dispositif (415) pour enrouler les faces opposées (105, 110) et les flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la première bande de protection (205) avec un premier enveloppement (225) de film extensible,
    - un second dispositif (435) pour recouvrir le flanc arrière (120) et une partie des deux flancs latéraux (125, 130) et des deux faces opposées (105, 110) de l'article (100) par une seconde bande de protection (210), et
    - un second dispositif (495) pour enrouler les faces opposées (105, 110) et les flancs latéraux (125, 130) de l'article (100) au niveau des parties recouvertes par la seconde bande de protection (210) avec un second enveloppement (230) de film extensible, distinct du premier enveloppement (225).
  18. Installation (300) selon la revendication 17, dans laquelle le premier dispositif (305) de recouvrement comprend :
    - une matrice de pliage (310),
    - un appareil (350) pour positionner l'article (100) avec le flanc avant (115) orienté vers une entrée (320) de la matrice de pliage (310),
    - un appareil (365) pour interposer la première bande de protection (205) dans une configuration plate entre le flanc avant (115) de l'article (100) et la matrice de pliage (310),
    - un appareil (405) pour avancer l'article (100) dans la matrice de pliage (310) après avoir interposé la première bande de protection (205) de façon à obtenir une interception préliminaire de la première bande de protection (205) par le flanc avant (115) et une insertion consécutive de l'article (100) et de la première bande de protection (205) à l'intérieur de la matrice de pliage (310).
  19. Installation (300) selon la revendication 18, dans laquelle le premier dispositif (415) d'enroulement comprend :
    - un élément de support (420) pour un rouleau d'une bande (425) de film extensible,
    - un appareil (430) pour positionner une extrémité libre de la bande (425) de film extensible à proximité d'une sortie (325) de la matrice de pliage (310), et
    - un appareil pour faire tourner l'élément de support (420) autour d'un axe de rotation parallèle au sens d'avancement (X) de l'article (100), alors que l'article ressort de la matrice de pliage (310).
  20. Installation (300) selon l'une quelconque des revendications 17 à 19, dans laquelle le second dispositif (435) de recouvrement comprend :
    - une matrice de pliage (440),
    - un appareil (460) pour positionner l'article (100) avec le flanc arrière (120) orienté vers une entrée (450) de la matrice de pliage (440),
    - un appareil (480) pour interposer la seconde bande de protection (210) dans une configuration plate entre le flanc arrière (120) de l'article (100) et la matrice de pliage (440),
    - un appareil (485) pour avancer l'article (100) dans la matrice de pliage (440) après avoir interposé la seconde bande de protection (210) de façon à obtenir une interception préliminaire de la seconde bande de protection (210) par le flanc arrière (120) et une insertion consécutive de l'article (100) et de la seconde bande de protection (210) à l'intérieur de la matrice de pliage (440).
  21. Installation (300) selon la revendication 20, dans laquelle le second dispositif (495) d'enroulement comprend :
    - un élément de support (500) pour un rouleau d'une bande (505) de film extensible,
    - un appareil (510) pour positionner une extrémité libre de la bande (505) de film extensible à proximité d'une sortie (455) de la matrice de pliage (440), et
    - un appareil pour faire tourner l'élément de support (500) autour d'un axe de rotation parallèle au sens d'avancement (X) de l'article (100), alors que l'article ressort de la matrice de pliage (440).
  22. Installation (300) selon la revendication 20 ou 21, dans laquelle l'appareil (460) pour positionner l'article (100) avec le flanc arrière (120) orienté vers l'entrée (450) de la matrice de pliage (440) comprend un dispositif (470) pour faire tourner l'article (100).
EP17171928.9A 2016-05-26 2017-05-19 Emballage, procédé d'emballage et installation Active EP3248904B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA2016A003829A ITUA20163829A1 (it) 2016-05-26 2016-05-26 Confezione, metodo ed impianto di confezionamento

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EP3248904B1 true EP3248904B1 (fr) 2019-03-20

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FR2621895B1 (fr) * 1987-10-20 1991-09-20 Parisot Ste Nle Fabriques Meub Procede de conditionnement d'objets ainsi que corniere pour la mise en oeuvre de ce procede
DE4031917C2 (de) * 1989-10-26 1995-06-29 Meurer Maschinen Gmbh & Co Kg Vorrichtung zum Verpacken von Gegenständen
US5450965A (en) * 1993-12-29 1995-09-19 Hon Industries, Inc. Stretch-wrap packaged assembly
ITMI20070871A1 (it) * 2007-04-30 2008-11-01 Sitma Spa Apparecchiatura e procedimento per la realizzazione in continuo di confezioni di pile di piastrelle o simili
ITBO20110342A1 (it) * 2011-06-14 2012-12-15 Nuova Sima Spa Metodo per il confezionamento di articoli appiattiti e confezione ottenuta con tale metodo
ITBO20120513A1 (it) * 2012-09-24 2014-03-25 Nuova Sima Spa Gruppo per la presa e la movimentazione di un cartone fustellato in una macchina per il confezionamento di una o piu' piastrelle impilate
US20150306849A1 (en) * 2014-04-25 2015-10-29 Alliance Plastics, LLC Reinforced stretch film and its method of production

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ES2728359T3 (es) 2019-10-23
ITUA20163829A1 (it) 2017-11-26

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