EP2714548A1 - Method and package for flat articles - Google Patents

Method and package for flat articles

Info

Publication number
EP2714548A1
EP2714548A1 EP12738200.0A EP12738200A EP2714548A1 EP 2714548 A1 EP2714548 A1 EP 2714548A1 EP 12738200 A EP12738200 A EP 12738200A EP 2714548 A1 EP2714548 A1 EP 2714548A1
Authority
EP
European Patent Office
Prior art keywords
folds
lateral
superposing
article
zones
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
EP12738200.0A
Other languages
German (de)
French (fr)
Other versions
EP2714548B1 (en
Inventor
Maurizio Bardi
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.)
Nuova Sima SpA
Original Assignee
Nuova Sima 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 Nuova Sima SpA filed Critical Nuova Sima SpA
Priority to PL12738200T priority Critical patent/PL2714548T3/en
Publication of EP2714548A1 publication Critical patent/EP2714548A1/en
Application granted granted Critical
Publication of EP2714548B1 publication Critical patent/EP2714548B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/46Containers, 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, 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
    • B65D81/02Containers, 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
    • B65D81/05Containers, 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
    • B65D81/053Corner, edge or end protectors
    • B65D81/055Protectors contacting three surfaces of the packaged article, e.g. three-sided edge protectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, 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
    • B65D81/02Containers, 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
    • B65D81/05Containers, 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
    • B65D81/053Corner, edge or end protectors
    • B65D81/058Protectors contacting five surfaces of the packaged article, e.g. five-sided end protectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/62Containers, packaging elements or packages, specially adapted for particular articles or materials for stacks of articles; for special arrangements of groups of articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2571/00Bundles 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, pop bottles; Bales of material
    • B65D2571/00006Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D2571/00111Arrangements of flexible binders
    • B65D2571/00117Arrangements of flexible binders with protecting or supporting elements arranged between binder and articles or materials, e.g. for preventing chafing of binder

Definitions

  • the present invention relates to the technical sector relating to packing flat articles, in particular ceramic articles, with particular reference to a packing method and the pack obtained with the method.
  • the invention concerns flat articles having a polygonal shape, in particular quadrangular, such as slabs and ceramic tiles, as well as materials which can also be arranged in stacks.
  • Methods are currently known for the packing of stacks of tiles having a square and/or rectangular geometry using prescored blanks that are slightly longer than the lateral extension of the stacks, comprising a central area to which four pairs of folds, lower and upper, are articulated by crease lines.
  • the central zone of the blank is wrapped on the lateral flanks of the stack and blocked at the ends by a "glue spot".
  • the lower and upper folds of the blank are folded on the lower and upper surfaces of the stack, for partial covering of the surfaces.
  • This method provides for the predisposing of a structure in a packaging material provided with a series of weakened lines for folding about at least a plate-shaped article; the predisposition providing, in order, the following operational steps: . preparation of at least a length of packing material for each side of the plate- shaped part to be packaged; weakening of each length along at least two predetermined fold lines; the consecutive joining of the lengths such as to define a frame having a polygonal shape, the shape of which reproduces the polygonal shape of the form of the article to be packaged.
  • each length comprises the following steps: providing two or more supply panels in series; consecutively connecting the panels to form a continuous strip which extends predominantly along a predetermined development direction; cutting the continuous strip transversally to the development direction thereof, according to a set measurement depending on the side of the polygonal shape of the article to be packaged.
  • the perimeter frame obtained does not continuously protect the longitudinal edges of the stacked tiles due to the presence of corresponding slots resulting from the assembly method of the frame, obtained starting from a plurality of portions at least equal in number to the number of sides of the tiles.
  • the aim of the present invention is to obviate the above problems by providing a method for packaging flat articles, and a package obtained with the method, which enables extremely effective protection of the articles, as well as the corresponding edges, in particular during the steps of storage and/or transport.
  • a further aim is to provide a method and a pack capable of limiting the use of packing material and glue with respect to known methods.
  • a method for packing at least a flat article comprising two opposite surfaces, upper and lower, having a quadrangular geometry and a plurality of lateral flanks
  • the method being characterised in that it comprises following steps: supplying a pair of blanks made of a packing material, each comprising a central region; an upper flap connected to a first side of the central region by means of a first crease line; a lower flap connected to a second side, opposite the first side, of the central region by means of a second crease line; a first lateral flap, connected to a third side of the central region by means of a third crease line, identifying a free end opposite the third crease line; a pair of first folds, an upper fold and a lower fold, connected by crease lines to two sides of the first lateral flap which folds are opposite one another and perpendicular to the third crease line; a second lateral flap connected to a fourth side, opposite the third side, of the central region by means
  • the method comprises one or more of the following characteristics, considered singly or in combination: stabilising of the superposing zones comprises binding the article by means of at least two first straps loop-wound on the covered lateral flanks of the central regions of the blanks, with each first strap interesting, for each surface of the article, two corner superposing zones and a second lateral superposing zone; stabilising of the superposing zones comprises binding the article by means of at least three second straps loop-wound on the lateral flanks not covered by the central regions of the blanks, with each second strap interesting, for each surface of the article, two corner superposing zones or two second laterally superposing zones; stabilising of the superposing zones comprises using adhesive means interposed between folds or flaps of the blanks nvolved in the superposing; during the step of supplying the blanks, each thereof comprises four cut lines, each of which separates an upper or lower flap from the corresponding upper folds or lower folds; the cut lines preferably diver
  • a pack characterised in that it comprises: at least a flat article identifying two opposite surfaces, upper and lower, having a quadrangular geometry and a plurality of lateral flanks; a pair of blanks made of a packing material, each comprising a central region; an upper flap connected to a first side of the central region by means of a first crease line; a lower flap connected to a second side, opposite the first side, of the central region by means of a second crease line; a first lateral flap, connected to a third side of the central region by means of a third crease line, identifying a free end opposite the third crease line; a pair of first folds, an upper fold and a lower fold, connected by crease lines to two sides of the first lateral flap which are opposite one another and perpendicular to the third crease line; a second lateral flap connected to a fourth side, opposite the third side, of the central region by means of a fourth crease line, identifying a
  • the pack of the invention comprises one or more of the following characteristics, considered singly or in combination: the stabilising means comprise at least two first straps loop-wound on the covered lateral flanks of the central regions of the blanks with each first strap interesting, for each surface of the article, two corner superposing zones and a second lateral superposing zone; the stabilising means comprise at least three second straps, loop-wound on the lateral flanks not covered by the central regions of the blanks, with each second strap interesting, for each surface of the article, two corner superposing zones or two second laterally superposing zones; the stabilising means comprise adhesive means interposed between folds or flaps of the blanks involved in the superposing; each blank comprises four cut lines, each of which separates an upper or lower flap from the corresponding upper folds or lower folds, the cut lines preferably diverging distancingly from the central region; the flat article comprises a tile or a ceramic slab, or a stack of tiles and/or ceramic slabs.
  • figure 1 is a perspective view of a schematic sequence diagram of t e method for packing of a stack of tiles
  • figure 2 shows, in enlarged scale, an exploded perspective view of the stack of tiles and the corresponding packing blanks
  • figures 3A, 3B show, in enlarged scale, corresponding perspective views of the packing blanks of figure 2
  • figure 4 illustrates a plan view of a blank shown in figures 3A, 3B
  • figures 5, 6 show, in enlarged scale, corresponding perspective views of two embodiments of the pack obtained with the present method
  • figures 5a, 5b illustrate, in an enlarged scale, details Y1 , Y2 indicated in figure
  • general references 3, 4 denote a pair of blanks made of a packaging material, e.g. cardboard, each comprising a central region 5; an upper flap 6 connected to a first side of the central region 5 by means of a first crease line; a lower flap 7 connected to a second side, opposite the first side, of the central region 5 by means of a second crease line; a first lateral flap 8, connected to a third side of the central region 5 by means of a third crease line, identifying a free end 8a opposite the third crease line; a pair of first folds, an upper fold 80 and a lower fold 81 , connected by crease lines to two sides of the first lateral flap 8 which folds 80, 81 are opposite one another and perpendicular to the third crease line; a second lateral flap 9 connected to a fourth side, opposite the third side, of the central region 5 by means of a fourth crease line, identifying a free end 9a opposite the fourth crease line; a pair of second lateral flap 9 connected to
  • the proposed method for packaging at least a flat article 2 comprising two opposing sides, upper and lower, in a quadrangular geometry and a plurality of lateral sides, to comprise the following steps: supplying the pair of blanks 3, 4; covering two opposite lateral flanks of the article 2 with the central region 5 of each blank 3, 4; partial covering of the opposite surfaces of the article 2 with the upper flap 6 and lower flap 7 of each blank 3, 4; covering the remaining lateral flanks of the article 2 with the first and second lateral flaps 8, 9 of each blank 3, 4 such as to superpose the free ends 8a, 9a of the lateral flaps 8, 9 of a blank 3 with corresponding free ends 8a, 9a of the lateral flaps 8, 9 of the other blank 4, such as to identify two zones U of first lateral superposing; partial covering of the opposite surfaces of the article 2 with the first folds 80, 81 and the second folds 90, 91 of each blank 3, 4, such as to define, for each surface of the article 2, four zones A of corner superposing in which one of the flap
  • the flat article 2 can comprise either, a ceramic tile or slab, or a stack of tiles and/or ceramic slabs.
  • each thereof comprises four cut lines 12, each of which separates an upper or lower flap 6, 7 from the corresponding upper folds 80, 90 or lower folds 81 , 91 , as can be deduced from figures 3A and 3B.
  • the cut lines 12 are preferably divergent, distancingly from the central region 5 such as to facilitate realisation of the corner superposing zones A.
  • the stabilising of the superposing zones L-, , L 2 , A comprises binding the article 2 by means of at least two first straps 10 for example plastic straps loop-wound on the lateral flanks not covered by the central regions 5 of the blanks 3, 4.
  • each strap 10 interests, for each surface of the article 2, two comer superposing zones A or two second laterally superposing zones L 2 , as shown in figure 5.
  • the stabilising of the superposing zones L 2 , A comprises binding the article 2 by means of at least three second straps 1 1 for example plastic straps loop-wound on the lateral flanks not covered by the central regions 5 of the blanks 3, 4.
  • each strap 1 1 interests, for each surface of the article 2, two corner superposing zones A or two second laterally superposing zones L 2 , as shown in figure 6.
  • a pair of straps 11 loop-closes on the flaps, upper 6 and lower 7, and on the flaps, first 8 and second 9, of the respective blanks 3, 4, while the remaining strap 11 loop-closes on the opposite surfaces of the article 2 and on the respective lateral superposing zones, first U and second L 2 .
  • the stabilising of the superposing zones Li, L 2 , A can comprise using spots of glue interposed between folds 80, 81 , 90, 91 or flaps 6, 7 of the blanks 3, 4 involved in the superposing.
  • the longitudinal extension of the pair of blanks 3, 4, evaluated along the longitudinal direction of the central region 5 and the adjacent side flaps, first 8 and second 9, may therefore be the same, identifying specular blanks; or they can be different.
  • a first blank 3 can be provided having side flaps 8, 9 exhibiting a same longitudinal extension, and a second blank 4 provided with lateral flaps 8, 9 having a same longitudinal extent, the latter, however, being different from the corresponding lateral flaps 8, 9 of the first blank 3.
  • first l_i and second L 2 due to the overlap of the side flaps 8, 9 and the corresponding upper flaps 80, 90 and lower 81 , 91 of the blanks 3, 4, it is possible to use a same format of blanks 3, 4 for a wide range of sizes of articles 2. According to requirements it is also possible to provide different longitudinal extensions to the lateral flaps 8, 9 of a blank 3, 4 or both.
  • the stabilising of the overlapping zones L 2 , A can be achieved, in an advantageous way, with the help only of two or three plastic straps per pack, i.e. without any aid with the use of glue figures 5, 6.
  • the proposed method and the associated package are particularly recommended also in the case of packing flat articles of relatively large dimensions, where the thicknesses of the articles and consequently of the corresponding blanks become extremely small.
  • the proposed method and the associated pack do not suffer from the problems caused, on the one hand, to the squaring of the frame formed by a plurality of portions of reduced thickness, and on the other hand to the difficulty of printing in the areas of connection of the lengths themselves.
  • the blanks can be adapted to a wide range of sizes of articles to be packed.
  • the proposed method and the associated pack therefore enables limiting the use of packaging material and glue in comparison with the prior art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Packages (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Buffer Packaging (AREA)

Abstract

A method for packing and a pack, for protecting in particular the lateral sides of ceramic flat tiles (2).

Description

METHOD AND PACKAGE FOR FLAT ARTICLES
FIELD OF THE INVENTION
The present invention relates to the technical sector relating to packing flat articles, in particular ceramic articles, with particular reference to a packing method and the pack obtained with the method.
The invention concerns flat articles having a polygonal shape, in particular quadrangular, such as slabs and ceramic tiles, as well as materials which can also be arranged in stacks.
DESCRIPTION OF THE PRIOR ART
Methods are currently known for the packing of stacks of tiles having a square and/or rectangular geometry using prescored blanks that are slightly longer than the lateral extension of the stacks, comprising a central area to which four pairs of folds, lower and upper, are articulated by crease lines.
The central zone of the blank is wrapped on the lateral flanks of the stack and blocked at the ends by a "glue spot".
In phase relation with the folding of the central area on the sides of the stack, the lower and upper folds of the blank are folded on the lower and upper surfaces of the stack, for partial covering of the surfaces.
The folds which overlap at the corners of the stack are glued by as many "glue spots" in order to stabilise the configuration perpendicularly to the central area of the blank.
Thus, in this way a perimeter band is defined, for protection of the lateral sides of the stack and the corresponding corners, as well as of the edges of the upper and lower surfaces of the stack. This method is not recommended for the packing of stacks of tiles of medium/large dimensions as the large longitudinal size of the blanks makes the operations for folding on the surfaces of the tiles extremely difficult.
In such a case, also extremely problematic is the adjusting of the central zone of the blanks during the step of superposing and closing them.
Also notable is the fact that the small thickness of the blanks can generate damage thereto during the folding step on the lateral flanks of the stack.
To this can be added the problems relating to tile format change, which requires a particularly large storage zone provided with a number of blank formats that is equal to the number of tile stack formats to be packed.
A no-less important problem concerns the limitation of maximum longitudinal dimensions of the blanks both as a result of the technical limitations of the packing plants and the difficulties of handling and storage of the blanks themselves.
Purely by way of example, for the packaging of a square tile side of 1000 mm and thickness 12 mm a blank of 4000 x 115 mm would be required, which with the plant engineering techniques available today would not be feasible because the maximum permissible dimensions are approximately 2500 mm .
Document WO2007/148183 discloses a method for the production of blanks with the aim of reducing the overall dimensions of the storage area.
This method provides for the predisposing of a structure in a packaging material provided with a series of weakened lines for folding about at least a plate-shaped article; the predisposition providing, in order, the following operational steps: . preparation of at least a length of packing material for each side of the plate- shaped part to be packaged; weakening of each length along at least two predetermined fold lines; the consecutive joining of the lengths such as to define a frame having a polygonal shape, the shape of which reproduces the polygonal shape of the form of the article to be packaged.
In particular, the realization of each length comprises the following steps: providing two or more supply panels in series; consecutively connecting the panels to form a continuous strip which extends predominantly along a predetermined development direction; cutting the continuous strip transversally to the development direction thereof, according to a set measurement depending on the side of the polygonal shape of the article to be packaged.
Further operational steps are included, for realising tabs for connection between the various sections, and for the insertion of a protection insert for the sides of the article, along the lengths.
The' method proposed by document WO2007/1 8183 essentially enables the reduction of the overall dimensions of the storage area; it is however not recommended in the case of packaging of relatively large tiles as it requires the assembly of a plurality of pieces of extremely small thickness.
In this case the squaring of the frame is extremely difficult and can adversely affect the realization of the perimeter protective band of the stack of tiles or the individual tile.
The absence of reference points for the squaring of the frame leads to serious problems during printing in the connecting areas of between lengths, especially in the case of the use of bar codes identifying the product, not to mention the damage to the commercial aspect of the package obtained.
Regardless of the size of the tiles, however, the perimeter frame obtained does not continuously protect the longitudinal edges of the stacked tiles due to the presence of corresponding slots resulting from the assembly method of the frame, obtained starting from a plurality of portions at least equal in number to the number of sides of the tiles.
SUMMARY OF THE INVENTION.
The aim of the present invention is to obviate the above problems by providing a method for packaging flat articles, and a package obtained with the method, which enables extremely effective protection of the articles, as well as the corresponding edges, in particular during the steps of storage and/or transport.
A further aim is to provide a method and a pack capable of limiting the use of packing material and glue with respect to known methods.
Additionally a method is provided, and a pack obtained with the method, which can be applied to flat articles of relatively large dimensions, without limitation* deriving from the blank-cutting plants.
The above-mentioned objects are obtained with a method for packing at least a flat article, the article comprising two opposite surfaces, upper and lower, having a quadrangular geometry and a plurality of lateral flanks, the method being characterised in that it comprises following steps: supplying a pair of blanks made of a packing material, each comprising a central region; an upper flap connected to a first side of the central region by means of a first crease line; a lower flap connected to a second side, opposite the first side, of the central region by means of a second crease line; a first lateral flap, connected to a third side of the central region by means of a third crease line, identifying a free end opposite the third crease line; a pair of first folds, an upper fold and a lower fold, connected by crease lines to two sides of the first lateral flap which folds are opposite one another and perpendicular to the third crease line; a second lateral flap connected to a fourth side, opposite the third side, of the central region by means of a fourth crease line, identifying a free end opposite the fourth crease line; a pair of second folds, an upper fold and a lower fold, connected by crease lines to two sides of the second lateral flap, which folds are opposite one another and perpendicular to the fourth crease line; covering two opposite lateral flanks of the article with the central region of each blank; partial covering of the opposite surfaces of the article with the upper flap and lower flap of each blank; covering the remaining lateral flanks of the article with the first and second lateral flaps of each blank such as to superpose the free ends of the lateral flaps of a blank with corresponding free ends of the lateral flaps of the other blank, such as to identify two zones of first lateral superposing; partial covering of the opposite surfaces of the article with the first folds and the second folds of each blank, such as to define, for each surface of the article, four zones of corner superposing in which one of the flaps, upper and lower, is arranged superiorly or inferiorly of one of the first folds or the second folds, and two zones of a second lateral superposing, adjacent to the zones of first lateral superposing, in which the first folds and the second folds 90, 91 of a blank are arranged superiorly or inferiorly of the corresponding first folds and second folds of the other blank; stabilising of the superposing zones by stabilising means.
According to further ways of carrying out the method of the invention, the method comprises one or more of the following characteristics, considered singly or in combination: stabilising of the superposing zones comprises binding the article by means of at least two first straps loop-wound on the covered lateral flanks of the central regions of the blanks, with each first strap interesting, for each surface of the article, two corner superposing zones and a second lateral superposing zone; stabilising of the superposing zones comprises binding the article by means of at least three second straps loop-wound on the lateral flanks not covered by the central regions of the blanks, with each second strap interesting, for each surface of the article, two corner superposing zones or two second laterally superposing zones; stabilising of the superposing zones comprises using adhesive means interposed between folds or flaps of the blanks nvolved in the superposing; during the step of supplying the blanks, each thereof comprises four cut lines, each of which separates an upper or lower flap from the corresponding upper folds or lower folds; the cut lines preferably diverging distancingly from the central region; the flat article comprises a tile or a ceramic slab, or a stack of tiles and/or ceramic slabs.
The aims of the invention are also attained by means of a pack characterised in that it comprises: at least a flat article identifying two opposite surfaces, upper and lower, having a quadrangular geometry and a plurality of lateral flanks; a pair of blanks made of a packing material, each comprising a central region; an upper flap connected to a first side of the central region by means of a first crease line; a lower flap connected to a second side, opposite the first side, of the central region by means of a second crease line; a first lateral flap, connected to a third side of the central region by means of a third crease line, identifying a free end opposite the third crease line; a pair of first folds, an upper fold and a lower fold, connected by crease lines to two sides of the first lateral flap which are opposite one another and perpendicular to the third crease line; a second lateral flap connected to a fourth side, opposite the third side, of the central region by means of a fourth crease line, identifying a free end opposite the fourth crease line; a pair of second folds, an upper fold and a lower fold, connected by crease lines to two sides of the second lateral flap, which are opposite one another and perpendicular to the fourth crease line; with two opposite lateral flanks of the article covered by the central region of each blank; with the opposite surfaces of the article partially covered by the upper and lower flaps of each blank; with the remaining opposite lateral flanks of the article covered by a first and a second lateral flaps, of each blank such as to superpose the free ends of the lateral flaps of a blank with the corresponding free ends of the lateral flaps of the other blank, such as to define two zones of a first lateral superposing; with the opposite surfaces of the article partially covered by the first folds and the second folds of each blank such as to define, for each surface of the article, four zones of corner superposing in which one of the upper and lower flaps is arranged superiorly or inferiorly of one of the first folds or second folds, and two zones of second lateral superposing, adjacent to the zones of first lateral superposing, in which the first folds and the second folds of a blank are arranged superiorly or inferiorly of the corresponding first folds and second folds of the other blank; stabilising means of the superposing zones.
According to further embodiments the pack of the invention comprises one or more of the following characteristics, considered singly or in combination: the stabilising means comprise at least two first straps loop-wound on the covered lateral flanks of the central regions of the blanks with each first strap interesting, for each surface of the article, two corner superposing zones and a second lateral superposing zone; the stabilising means comprise at least three second straps, loop-wound on the lateral flanks not covered by the central regions of the blanks, with each second strap interesting, for each surface of the article, two corner superposing zones or two second laterally superposing zones; the stabilising means comprise adhesive means interposed between folds or flaps of the blanks involved in the superposing; each blank comprises four cut lines, each of which separates an upper or lower flap from the corresponding upper folds or lower folds, the cut lines preferably diverging distancingly from the central region; the flat article comprises a tile or a ceramic slab, or a stack of tiles and/or ceramic slabs.
BRIEF DESCRIPTION OF THE DRAWINGS
The characteristics of the invention will be pointed out in the following are described by way of example some preferred but not exclusive embodiments, with reference to the accompanying drawings in which: figure 1 is a perspective view of a schematic sequence diagram of t e method for packing of a stack of tiles; figure 2 shows, in enlarged scale, an exploded perspective view of the stack of tiles and the corresponding packing blanks; figures 3A, 3B show, in enlarged scale, corresponding perspective views of the packing blanks of figure 2; figure 4 illustrates a plan view of a blank shown in figures 3A, 3B; figures 5, 6 show, in enlarged scale, corresponding perspective views of two embodiments of the pack obtained with the present method; figures 5a, 5b illustrate, in an enlarged scale, details Y1 , Y2 indicated in figure
5; figures 6a, 6b show, in enlarged scale, details Y3, Y4 shown in figure 6.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
With reference to the above drawings, general references 3, 4 denote a pair of blanks made of a packaging material, e.g. cardboard, each comprising a central region 5; an upper flap 6 connected to a first side of the central region 5 by means of a first crease line; a lower flap 7 connected to a second side, opposite the first side, of the central region 5 by means of a second crease line; a first lateral flap 8, connected to a third side of the central region 5 by means of a third crease line, identifying a free end 8a opposite the third crease line; a pair of first folds, an upper fold 80 and a lower fold 81 , connected by crease lines to two sides of the first lateral flap 8 which folds 80, 81 are opposite one another and perpendicular to the third crease line; a second lateral flap 9 connected to a fourth side, opposite the third side, of the central region 5 by means of a fourth crease line, identifying a free end 9a opposite the fourth crease line; a pair of second folds, an upper fold 90 and a lower fold 91 , connected by crease lines to two sides of the second lateral flap 9, which folds 90, 91 are opposite one another and perpendicular to the fourth crease line.
The proposed method for packaging at least a flat article 2 comprising two opposing sides, upper and lower, in a quadrangular geometry and a plurality of lateral sides, to comprise the following steps: supplying the pair of blanks 3, 4; covering two opposite lateral flanks of the article 2 with the central region 5 of each blank 3, 4; partial covering of the opposite surfaces of the article 2 with the upper flap 6 and lower flap 7 of each blank 3, 4; covering the remaining lateral flanks of the article 2 with the first and second lateral flaps 8, 9 of each blank 3, 4 such as to superpose the free ends 8a, 9a of the lateral flaps 8, 9 of a blank 3 with corresponding free ends 8a, 9a of the lateral flaps 8, 9 of the other blank 4, such as to identify two zones U of first lateral superposing; partial covering of the opposite surfaces of the article 2 with the first folds 80, 81 and the second folds 90, 91 of each blank 3, 4, such as to define, for each surface of the article 2, four zones A of corner superposing in which one of the flaps, upper 6 and lower 7, is arranged superiorly or inferiorly of one of the first folds 80, 81 or the second folds 90, 91 , and two zones L2 of a second lateral superposing, adjacent to the zones Li of first lateral superposing, in which the first folds 80, 81 and the second folds 90, 91 of a blank 3 are arranged superiorly or inferiorly of the corresponding first folds 80, 81 and second folds 90, 91 of the other blank 4; stabilising of the superposing zones L2, A by stabilising means 10,
1 1 .
The flat article 2 can comprise either, a ceramic tile or slab, or a stack of tiles and/or ceramic slabs.
In the step of supplying the blanks 3, 4, each thereof comprises four cut lines 12, each of which separates an upper or lower flap 6, 7 from the corresponding upper folds 80, 90 or lower folds 81 , 91 , as can be deduced from figures 3A and 3B.
As shown in detail in figure 4, the cut lines 12 are preferably divergent, distancingly from the central region 5 such as to facilitate realisation of the corner superposing zones A.
In a preferred embodiment, the stabilising of the superposing zones L-, , L2, A comprises binding the article 2 by means of at least two first straps 10 for example plastic straps loop-wound on the lateral flanks not covered by the central regions 5 of the blanks 3, 4.
In this case each strap 10 interests, for each surface of the article 2, two comer superposing zones A or two second laterally superposing zones L2, as shown in figure 5.
In a further embodiment, the stabilising of the superposing zones L2, A comprises binding the article 2 by means of at least three second straps 1 1 for example plastic straps loop-wound on the lateral flanks not covered by the central regions 5 of the blanks 3, 4.
Consequently, each strap 1 1 interests, for each surface of the article 2, two corner superposing zones A or two second laterally superposing zones L2, as shown in figure 6.
In particular a pair of straps 11 loop-closes on the flaps, upper 6 and lower 7, and on the flaps, first 8 and second 9, of the respective blanks 3, 4, while the remaining strap 11 loop-closes on the opposite surfaces of the article 2 and on the respective lateral superposing zones, first U and second L2.
In a further embodiment, the stabilising of the superposing zones Li, L2, A can comprise using spots of glue interposed between folds 80, 81 , 90, 91 or flaps 6, 7 of the blanks 3, 4 involved in the superposing.
In the accompanying figures, reference is made to the packing of a stack 2 of ceramic tiles having a square geometry; it is understood that the proposed method can be applied to any flat quadrangular article that is also rectangular or has at least a pair of parallel sides, possibly two pairs of parallel sides.
The longitudinal extension of the pair of blanks 3, 4, evaluated along the longitudinal direction of the central region 5 and the adjacent side flaps, first 8 and second 9, may therefore be the same, identifying specular blanks; or they can be different.
However, in the latter case it is preferable to maintain the same longitudinal extension as the central region 5 of each blank 3, 4, to cover the two opposite lateral flanks 2 of the same longitudinal extension, thus appropriately modifying the longitudinal extension of the lateral flaps 8, 9 of each blank 3, 4.
In particular, a first blank 3 can be provided having side flaps 8, 9 exhibiting a same longitudinal extension, and a second blank 4 provided with lateral flaps 8, 9 having a same longitudinal extent, the latter, however, being different from the corresponding lateral flaps 8, 9 of the first blank 3.
In this case, depending on the extent of the lateral superposing zones, first l_i and second L2, due to the overlap of the side flaps 8, 9 and the corresponding upper flaps 80, 90 and lower 81 , 91 of the blanks 3, 4, it is possible to use a same format of blanks 3, 4 for a wide range of sizes of articles 2. According to requirements it is also possible to provide different longitudinal extensions to the lateral flaps 8, 9 of a blank 3, 4 or both.
The stabilising of the overlapping zones L2, A can be achieved, in an advantageous way, with the help only of two or three plastic straps per pack, i.e. without any aid with the use of glue figures 5, 6.
From the foregoing it clearly emerges how the proposed method for packing flat articles, and the corresponding package obtained therewith, extremely effectively protects the articles and the corresponding edges, in particular in the of storage and/or transport steps.
Effective protection of the lateral flanks and the corners of the flat article is in fact ensured, together with extended portions of the surfaces, thanks to the coupling of a pair of blanks, which when suitably folded define corresponding half-shells having a "U"-shaped cross-section.
The proposed method and the associated package are particularly recommended also in the case of packing flat articles of relatively large dimensions, where the thicknesses of the articles and consequently of the corresponding blanks become extremely small.
Unlike the method disclosed in document WO2007/148183, the proposed method and the associated pack do not suffer from the problems caused, on the one hand, to the squaring of the frame formed by a plurality of portions of reduced thickness, and on the other hand to the difficulty of printing in the areas of connection of the lengths themselves.
Using blanks with different longitudinal extensions of the side flaps, by varying the extension of the lateral superposing areas due to the superposing of the lateral folds and the corresponding top and bottom folds, the blanks can be adapted to a wide range of sizes of articles to be packed.
The proposed method and the associated pack therefore enables limiting the use of packaging material and glue in comparison with the prior art.

Claims

1). A method for packing at least a flat article, the article comprising two opposite surfaces, upper and lower, having a quadrangular geometry and a plurality of lateral flanks, the method being characterised in that it comprises following steps: supplying a pair of blanks (3, 4) made of a packing material, each comprising a central region (5); an upper flap (6) connected to a first side of the central region (5) by means of a first crease line; a lower flap (7) connected to a second side, opposite the first side, of the central region (5) by means of a second crease line; a first lateral flap (8), connected to a third side of the central region (5) by means of a third crease line, identifying a free end (8a) opposite the third crease line; a pair of first folds, an upper fold (80) and a lower fold (81), connected by crease lines to two sides of the first lateral flap (8) which folds (80, 81) are opposite one another and perpendicular to the third crease line; a second lateral flap (9) connected to a fourth side, opposite the third side, of the central region (5) by means of a fourth crease line, identifying a free end (9a) opposite the fourth crease line; a pair of second folds, an upper fold (90) and a lower fold (91), connected by crease lines to two sides of the second lateral flap (9), which folds (90, 91) are opposite one another and perpendicular to the fourth crease line; covering two opposite lateral flanks of the article (2) with the central region (5) of each blank (3, 4); partial covering of the opposite surfaces of the article (2) with the upper flap (6) and lower flap (7) of each blank (3, 4); covering the remaining lateral flanks of the article (2) with the first and second lateral flaps (8, 9) of each blank (3, 4) such as to superpose the free ends (8a, 9a) of the lateral flaps (8, 9) of a blank (3) with corresponding free ends (8a, 9a) of the lateral flaps (8, 9) of the other blank (4), such as to identify two zones (l_i) of first lateral superposing; partial covering of the opposite surfaces of the article (2) with the first folds (80, 81 ) and the second folds (90, 91) of each blank (3, 4), such as to define, for each surface of the article (2), four zones (A) of corner superposing in which one of the flaps, upper (6) and lower (7), is arranged superiorly or inferiorly of one of the first folds (80, 81) or the second folds (90, 91), and two zones (L2) of a second lateral superposing, adjacent to the zones (L,) of first lateral superposing, in which the first folds (80, 81) and the second folds (90, 91) of a blank (3) are arranged superiorly or inferiorly of the corresponding first folds (80, 81) and second folds (90, 91) of the other blank (4); stabilising of the superposing zones (L^ L2, A) by stabilising means (10,
11).
2) The method of claim 1 , wherein the stabilising of the superposing zones (L^ l_2, A) comprises binding the article (2) by means of at least two first straps (10) loop-wound on the covered lateral flanks of the central regions (5) of the blanks (3, 4), with each first strap (10) interesting, for each surface of the article (2), two comer superposing zones (A) and a second lateral superposing zone (L2).
3) The method of claim 1 , wherein the stabilising of the superposing zones (l_i , l_2, A) comprises binding the article (2) by means of at least three second straps (11) loop-wound on the lateral flanks not covered by the central regions (5) of the blanks (3, 4), with each second strap (11) interesting, for each surface of the article (2), two corner superposing zones (A) or two second laterally superposing zones (L2).
4) The method of claim 1 , wherein the stabilising of the superposing zones (L ( l_2, A) comprises using adhesive means interposed between folds (80, 81 , 90, 91) or flaps (6, 7) of the blanks (3, 4) involved in the superposing.
5) The method of one of claims from 1 to 4, wherein during the step of supplying the blanks (3, 4), each thereof comprises four cut lines (12), each of which separates an upper or lower flap (6, 7) from the corresponding upper folds (80, 90) or lower folds (81 , 91); the cut lines (12) preferably diverging distancingly from the central region (5). 6) The method of one of claims from 1 to 5, wherein the flat article (2) comprises a tile or a ceramic slab, or a stack of tiles and/or ceramic slabs.
7) A pack, characterised in that it comprises: at least a flat article (2) identifying two opposite surfaces, upper and lower, having a quadrangular geometry and a plurality of lateral flanks; a pair of blanks (3,4) made of a packing material, each comprising a central region (5); an upper flap (6) connected to a first side of the central region (5) by means of a first crease line; a lower flap (7) connected to a second side, opposite the first side, of the central region (5) by means of a second crease line; a first lateral flap (8), connected to a third side of the central region (5) by means of a third crease line, identifying a free end (8a) opposite the third crease line; a pair of first folds, an upper fold (80) and a lower fold (81), connected by crease lines to two sides of the first lateral flap (8) which are opposite one another and perpendicular to the third crease line; a second lateral flap (9) connected to a fourth side, opposite the third side, of the central region (5) by means of a fourth crease line, identifying a free end (9a) opposite the fourth crease line; a pair of second folds, an upper fold (90) and a lower fold (91), connected by crease lines to two sides of the second lateral flap (9), which are opposite one another and perpendicular to the fourth crease line; with two opposite lateral flanks of the article (2) covered by the central region (5) of each blank (3, 4); with the opposite surfaces of the article (2) partially covered by the upper and lower flaps (6, 7) of each blank (3, 4); with the remaining opposite lateral flanks of the article (2) covered by a first (8) and a second (9) lateral flaps, of each blank (3, 4) such as to superpose the free ends (8a, 9a) of the lateral flaps (8, 9) of a blank (3) with the corresponding free ends (8a, 9a) of the lateral flaps (8, 9) of the other blank (4), such as to define two zones (L^ of a first lateral superposing; with the opposite surfaces of the article (2) partially covered by the first folds (80, 81 ) and the second folds (90, 91) of each blank (3, 4) such as to define, for each surface of the article (2), four zones (A) of corner superposing in which one of the upper (6) and lower (7) flaps is arranged superiorly or inferiorly of one of the first folds (80, 81) or second folds (90, 91), and two zones (L2) of second lateral superposing, adjacent to the zones (L|) of first lateral superposing, in which the first folds (80, 81) and the second folds (90, 91) of a blank (3) are arranged superiorly or inferiorly of the corresponding first folds (80, 81) and second folds (90, 91) of the other blank (4); stabilising means (10, 11) of the superposing zones (A, L2).
8) The pack of claim 7, characterised in that the stabilising means comprise at least two first straps (10) loop-wound on the covered lateral flanks of the central regions (5) of the blanks (3, 4), with each first strap (10) interesting, for each surface of the article (2), two corner superposing zones (A) and a second lateral superposing zone (L2).
9) The pack of claim 7, characterised in that the stabilising means comprise at least three second straps (1 1), loop-wound on the lateral flanks not covered by the central regions (5) of the blanks (3, 4), with each second strap (11) interesting, for each surface of the article (2), two corner superposing zones (A) or two second laterally superposing zones (L2).
10) The pack of claim 7, characterised in that the stabilising means comprise adhesive means interposed between folds (80, 81 , 90, 91) or flaps (6, 7) of the blanks (3, 4) involved in the superposing.
1 1) The pack of one of claims from 7 to 10, characterised in that each blank (3, 4) comprises four cut lines (12), each of which separates an upper (6) or lower (7) flap from the corresponding upper folds (80, 90) or lower folds (81 , 91), the cut lines ( 2) preferably diverging distancingly from the central region (5).
12) The pack of one of claims from 7 to 11 , wherein the flat article (2) comprises a tile or a ceramic slab, or a stack of tiles and/or ceramic slabs.
EP12738200.0A 2011-06-14 2012-06-12 Method and package for flat articles Active EP2714548B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12738200T PL2714548T3 (en) 2011-06-14 2012-06-12 Method and package for flat articles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000342A ITBO20110342A1 (en) 2011-06-14 2011-06-14 METHOD FOR THE PACKAGING OF APPLIED ARTICLES AND PACKAGING OBTAINED WITH THIS METHOD
PCT/IB2012/052968 WO2012172485A1 (en) 2011-06-14 2012-06-12 Method and package for flat articles

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EP2714548A1 true EP2714548A1 (en) 2014-04-09
EP2714548B1 EP2714548B1 (en) 2020-12-30

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CN (1) CN103619730B (en)
BR (1) BR112013032135A2 (en)
ES (1) ES2842892T3 (en)
IT (1) ITBO20110342A1 (en)
PL (1) PL2714548T3 (en)
PT (1) PT2714548T (en)
WO (1) WO2012172485A1 (en)

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ITBO20110342A1 (en) 2012-12-15
EP2714548B1 (en) 2020-12-30
PT2714548T (en) 2021-01-13
WO2012172485A1 (en) 2012-12-20
CN103619730B (en) 2016-07-06
ES2842892T3 (en) 2021-07-15
BR112013032135A2 (en) 2017-09-26
CN103619730A (en) 2014-03-05
PL2714548T3 (en) 2021-04-19

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