EP4048606B1 - Emballage en matériau cellulosique et procédé d'ouverture - Google Patents

Emballage en matériau cellulosique et procédé d'ouverture

Info

Publication number
EP4048606B1
EP4048606B1 EP20797430.4A EP20797430A EP4048606B1 EP 4048606 B1 EP4048606 B1 EP 4048606B1 EP 20797430 A EP20797430 A EP 20797430A EP 4048606 B1 EP4048606 B1 EP 4048606B1
Authority
EP
European Patent Office
Prior art keywords
packaging
cover
shell
side wall
perforation
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
EP20797430.4A
Other languages
German (de)
English (en)
Other versions
EP4048606A1 (fr
EP4048606C0 (fr
Inventor
Thomas Heizmann
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.)
Karl Knauer KG
Original Assignee
Karl Knauer KG
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 Karl Knauer KG filed Critical Karl Knauer KG
Publication of EP4048606A1 publication Critical patent/EP4048606A1/fr
Application granted granted Critical
Publication of EP4048606B1 publication Critical patent/EP4048606B1/fr
Publication of EP4048606C0 publication Critical patent/EP4048606C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/36—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed
    • B65D75/366—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed and forming one compartment
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
    • B65B5/024—Machines characterised by incorporation of means for making the containers or receptacles for making containers from preformed blanks
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/04—Packaging single articles
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2871—Securing closures on containers by gluing
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4204—Inspection openings or windows
    • 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
    • B65D75/52—Details
    • B65D75/522—Inspection openings or windows
    • 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
    • B65D75/52—Details
    • B65D75/54—Cards, coupons or other inserts or accessories
    • B65D75/56—Handles or other suspension means
    • B65D75/563—Integral handles or suspension means
    • 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
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • 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
    • B65D2575/00—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
    • B65D2575/52—Details
    • B65D2575/54—Cards, coupons, or other inserts or accessories
    • B65D2575/56—Handles or other suspension means
    • B65D2575/565—Handles or other suspension means means explicitly used for suspending

Definitions

  • the invention relates to a packaging comprising a tray unfolded from cellulose-containing flat material and a lid, wherein the tray and the lid enclose an interior of the packaging, wherein the tray has a first side wall on which a first sealing edge is angled outwards away from the interior along a first folded edge, wherein the lid is glued to the first sealing edge, wherein a perforation is formed on the first folded edge for the joint tearing off of the first sealing edge and the portion of the lid glued thereto from the first side wall, wherein the tray has a second side wall on which a second sealing edge is angled outwards away from the interior along a second folded edge, and wherein the lid is glued to the second sealing edge.
  • Such packaging is made of DE 195 32 162 A1 known.
  • a flap serving to open the packaging is separated from the tray.
  • This flap has an outwardly angled pull tab that is adjacent to a plastic part forming the lid and is sealed to it in a peelable manner.
  • An outwardly projecting grip tab is hinged to the pull tab.
  • a packaging for example for toothbrushes, has become known that has a locking mechanism at each end. If the packaging is unlocked at both ends, it can be opened.
  • US 2018/0265270 A1 describes a package with a viewing window that may be covered by a transparent film
  • a cardboard packaging has become known, consisting of a front wall and a back wall.
  • a container is formed in the front wall, which has a perforation line along the edge of the back wall.
  • the packaging can be opened along the perforation line.
  • the invention relates to a container according to claim 9, a method for opening a packaging according to claim 10 and a method for providing an article according to claim 12.
  • a packaging is provided with at least one perforation which has a weakening, the reduction of the bending resistance, of the cellulose-containing material of the packaging in the region of the perforation or the perforation line.
  • Perforation in the context of the packaging according to the invention, the container according to the invention, and the method for packaging and/or opening the packaging according to the invention, is understood to mean a weakening of the material, wherein the perforation is a scored line that partially cuts through the cellulosic material from one side, or the scored line is formed by scores on both sides of the cellulosic material. The scores are spaced apart from one another.
  • the perforation is a cutting line with notches, wherein the notches are evenly and/or unevenly distributed.
  • the perforation is alternatively designed as a groove, which loosens the cellulose-containing material, in particular the fiber structure, and thereby creates a material weakening in the area of the perforation line.
  • All described perforation shapes can be formed individually or in combination on the packaging according to the invention and create a material weakening in the area of the perforation line.
  • the packaging is used in particular for packaging piece goods, i.e., individual objects.
  • An object to be packaged can be, for example, a toothbrush.
  • the packaging according to the invention is fundamentally suitable for packaging a wide variety of objects.
  • the packaging can also be designed for packaging bulk goods.
  • the packaging is preferably designed in the form of a blister pack (visible packaging). This allows the packaged goods to be viewed without opening the packaging.
  • the packaging comprises a tray made from flat cellulose material and a lid.
  • Flat cellulose material can be easily processed and recycled. In particular, the unfolding process can be efficiently automated.
  • the tray typically forms a hollow body open on one side.
  • the tray and lid enclose an interior of the packaging.
  • the lid is arranged on the tray or placed on the tray.
  • the lid can be flat. In particular, the lid can extend in one plane.
  • the product to be packaged can be arranged in the interior.
  • the flat cellulose material can be coated or impregnated on one or both sides, in particular water-repellent. The coating or impregnation is preferably biodegradable.
  • the tray has a first side wall.
  • the first side wall delimits the interior of the package.
  • a first sealing edge is angled outwards away from the interior along a first folded edge.
  • the first sealing edge protrudes outwards from the first side wall.
  • the first sealing edge forms an edge strip of the desired width.
  • the first sealing edge and the first side wall typically each extend in one plane.
  • the first sealing edge and the first side wall can enclose an angle of at least 60°, in particular at least 75° and/or at most 145°, in particular at most 120° (on the outside with respect to the interior). In a preferred embodiment, the first sealing edge and the first side wall can enclose a right angle.
  • the lid is glued to the first sealing edge.
  • the bond can be implemented as a heat seal, in particular with blister varnish.
  • the lid can have a section (region) that covers the first sealing edge.
  • the lid and the first sealing edge can have an outer contour that ends essentially flush with one another.
  • the lid protrudes slightly, in particular by a maximum of 2 mm, preferably by a maximum of 1 mm, beyond the first sealing edge.
  • the free length of the first sealing edge and the lid can be at least 1 cm, preferably at least 1.5 cm.
  • a perforation is formed on the first folded edge for the joint tearing off of the first sealing edge and the portion of the lid glued thereto from the first side wall.
  • the perforation extends at least partially along the first folded edge.
  • the perforation simplifies the opening of the packaging.
  • the perforation can, in particular, enable a multiplicity of packaging produced a consistently low force must be required for opening.
  • To open the packaging the outwardly projecting first sealing edge and the area of the lid attached to it can be grasped and torn off together from the first side wall. To do this, the first sealing edge and the glued section of the lid are moved away from the first side wall so that the flat material of the tray is severed along the perforation.
  • the tray has a second side wall on which a second sealing edge is angled outwards away from the interior along a second fold edge.
  • the second side wall also delimits the interior of the packaging.
  • the lid is glued to the second sealing edge.
  • the second sealing edge forms an edge strip with a width that is permanently glued to the lid. This means that the packaging can be sealed particularly tightly.
  • the lid can be pulled off the second sealing edge after the first sealing edge has been torn off the first side wall. Tearing off the first sealing edge together with the glued section of the lid and detaching the lid from the second sealing edge can be done particularly conveniently in a single movement and without having to change your grip.
  • the perforation is formed with perforation openings that completely penetrate the flat material of the tray. This allows the packaging to be opened with very little effort. Such a perforation is also particularly easy to produce.
  • the perforation may be formed with depressions in the flat material of the tray, wherein the remaining thickness of the flat material is further reduced at the depressions compared to the folded edge.
  • the depressions do not completely penetrate the flat material of the tray.
  • the flat material is formed continuously along the perforation. In this way, the interior of the packaging or the packaged goods can be particularly effectively protected against contamination, for example by dust and/or liquids.
  • fibers, especially cellulose fibers, of the flat material may be severed.
  • the flat material may be compressed below (viewed in the thickness direction) the depressions.
  • the perforation on the first fold edge extends over the entire length of the first fold edge. This further simplifies the tearing of the first sealing edge from the first side wall.
  • the package when opening the package, it is not necessary to pay attention to which end of the fold edge the perforation is located. Rather, the package can be opened from either end of the fold edge and can be conveniently continued with the tear resistance of the perforated fold edge remaining essentially the same.
  • the first and second side walls typically adjoin one another.
  • the first and second side walls are connected to one another via an adhesive flap.
  • the second sealing edge and the second side wall typically each extend in one plane.
  • the second sealing edge and the second side wall can form an angle (on the outside with respect to the interior) of at least 60°, in particular at least 75° and/or at most 145°. In particular, a maximum of 120°.
  • the second sealing edge and the second side wall can form a right angle.
  • the tray has two second side walls and each has an outwardly angled second sealing edge.
  • the tray may have a third side wall, which preferably adjoins the second side wall(s), and on which, along a third folded edge, a third sealing edge is angled outward away from the interior space, to which the lid is glued.
  • the third sealing edge also forms an edge strip with a strip width suitable for supporting and gluing the lid to the tray.
  • the third sealing edge and the third side wall typically each extend in one plane.
  • the third sealing edge and the third side wall can (on the outside with respect to the interior space) enclose an angle of at least 60°, in particular at least 75° and/or at most 145°, in particular at most 120°.
  • the third sealing edge and the third side wall can enclose a right angle.
  • the third side wall also delimits the interior space of the packaging.
  • the interior space of the packaging can be circumferentially delimited by the first side wall, the two second side walls, and the third side wall.
  • the tray has a base that defines the interior on a side facing away from the lid.
  • the side walls can each be angled from the base along a fold line.
  • the base and the first, second, and/or third side wall(s) typically each extend in one plane.
  • the base and the first, second, and/or third side wall(s) can (on the inside with respect to the interior) enclose an angle of at least 60°, in particular at least 75° and/or at most 145°, in particular at most 120°.
  • the base and the first, second, and/or third side wall(s) can enclose a right angle.
  • the strength, in particular the peel strength, of the bond between the lid and the second sealing edge is greater than the strength of the material of the lid and/or the tray. This ensures that when the lid is removed from the second sealing edge, the adhesive bond between the lid and the second sealing edge is maintained, and instead, a separation occurs in the material of the lid or tray. This has proven advantageous with regard to the opening behavior of the packaging, in particular the force required for opening.
  • a hanging recess penetrates the first sealing edge and the section of the lid glued to it.
  • the packaging can be easily hung, in particular for presenting the packaged goods or the packaging.
  • the hanging recess can make it easier to hold the first sealing edge and the section of the lid glued to it when tearing it off from the first side wall.
  • the bond between the lid and the first sealing edge typically extends circumferentially, preferably continuously, around the hanging recess. This can increase the stability of the packaging in the region of the hanging recess and, in particular, help prevent the hanging recess from tearing or being torn through.
  • An insert for securing an object that can be accommodated in the packaging can be arranged in the tray.
  • the insert can help prevent damage to the object and/or the packaging.
  • the insert is preferably made of a cellulose-containing flat material.
  • the present invention also includes a bundle comprising a packaging according to the invention described above and comprising an article contained in the packaging.
  • the bundle allows the advantages of the packaging according to the invention to be utilized for the packaged article, in particular its presentation for sale.
  • the article is typically designed as a piece of goods.
  • the article can be a toothbrush, for example.
  • the size of the article in particular a largest dimension, is typically in the centimeter to decimeter range; in special cases also in the millimeter range.
  • the bundle can contain a single article. Alternatively, it can be provided that the bundle comprises several (typically up to 10 or 20, in special cases even more) separate articles in a single packaging according to the invention described above.
  • the container can contain several items in the form of bulk material, which are accommodated in the packaging. If the perforation on the first and/or second folded edge is formed with continuous perforation openings, the smallest grain size of the bulk material is preferably significantly, in particular at least 5 times, larger than the largest dimension of one of the perforation openings.
  • the grain size of the bulk material can, in particular, be in the millimeter range.
  • the present invention further relates to a method for opening a package.
  • the package comprises a tray folded out from a flat material containing cellulose, and a lid.
  • the tray and the lid enclose an interior of the package.
  • the tray has a first side wall on which, along a first fold edge, a first sealing edge is angled outwards away from the interior.
  • the tray further has a second side wall on which, along a second fold edge, a second sealing edge is angled outwards away from the interior.
  • the lid is glued to the first sealing edge and to the second sealing edge. A perforation is formed on the first fold edge.
  • the package can have further features of the packaging according to the invention described above.
  • Step a) serves to prepare step b). Due to the perforation on the first folded edge, the tearing off in step a) can be carried out easily, in particular with little effort. Furthermore, a defined tear path can be specified by means of the perforation.
  • the tearing off of the first sealing edge and the portion of the lid glued thereto from the first side wall in step a) is generally carried out without separating the first sealing edge from the lid. In other words, when the first sealing edge and the portion of the lid glued thereto are torn off from the first side wall, the first sealing edge and the lid remain glued to one another.
  • the first sealing edge and the area of the lid glued to the first sealing edge are typically grasped by the fingers of one hand, in particular the index finger and thumb, and The side wall is pulled away.
  • the packaging can be grasped by a second hand in the area of the tray or around the interior.
  • Step b) opens the packaging further, in particular completely.
  • step b) is carried out, the interior is exposed.
  • the preparatory step a) allows the lid to be detached from the second sealing edge particularly conveniently. By tearing off the first sealing edge together with the glued section of the lid from the first side wall, a partially opened configuration of the packaging is automatically obtained, from which the further detachment of the lid from the second sealing edge, in particular by peeling, can be carried out particularly easily.
  • Steps a) and b) can advantageously be carried out in a single, smooth movement.
  • Step b) can begin before step a) is completed. In other words, the lid can already be partially detached from the second sealing edge before the first sealing edge and the section of the lid glued to it have been completely torn off the first side wall.
  • the tray and/or lid contain fibers, in particular cellulose fibers, which are torn in step b).
  • the fibers are destroyed or severed in step b). Tearing the fibers has proven advantageous with regard to the opening behavior of the package.
  • the strength, in particular the peel strength, of the bond between the lid and the second sealing edge can be greater than the strength of the material of the lid and/or tray.
  • a package according to the invention as described above can be produced, having a first and a second side wall, each with a first and a second sealing edge, respectively.
  • the package obtained through steps A), B), C), and E) can have further features of the package according to the invention as described above.
  • perforation openings that completely penetrate the blank are created in step B.
  • indentations are created in the flat material of the blank along the folded edge in step B.
  • the first and second folded edges can be embossed into the blank.
  • the tray can be unfolded manually, semi-automatically, or preferably fully automatically (mechanically). Typically, following unfolding, the first and second side walls are connected to one another, for example, by means of an adhesive flap.
  • an insert for securing the object can be inserted into the tray.
  • Step D) ensures that the article is arranged in the interior of the closed packaging. Furthermore, step D) can produce a container according to the invention as described above. The container can have further features described above.
  • the article is enclosed by the packaging.
  • the packaging can protect the article, in particular, from contamination and/or damage.
  • the lid can be bonded to the first and second sealing edges in step E) by heat sealing, in particular using blister varnish.
  • the lid can be bonded to the first and second sealing edges in step E) manually, semi-automatically, or preferably fully automatically (by machine).
  • step F the packaging is opened.
  • the object can be removed from the packaging in a step G).
  • the packaging is opened in step F) using the method according to the invention described above.
  • the advantages of the opening method according to the invention can thus be utilized for preparing the object, in particular with regard to removing the packaging from the object.
  • fibers in particular cellulose fibers of the tray and/or the lid, are preferably torn.
  • Figure 1 shows a package 10.
  • the packaging is located in the Figure 1
  • the illustrated configuration is in a partially opened state.
  • An object 12 is contained in the packaging 10.
  • the packaging 10 and the object 12 together form a container 14.
  • the object 12 is symbolically represented here as an approximately cylindrical body.
  • the packaging 10 has a tray 16 and a lid 18.
  • the tray 16 is folded out from a cellulose-containing flat material, for example, paper or cardboard.
  • the lid 18 has a base element 20 , which here also consists of a cellulose-containing flat material, for example, white paper or cardboard.
  • Two viewing windows 22 are formed in the base element 20.
  • the viewing windows 22 can be closed by a transparent closure element (not shown in detail).
  • the closure element can consist of a transparent flat material, for example, a bio-based film.
  • the object 12 is arranged in the interior space 24.
  • An insert 26 for securing the object 12 can also be provided in the interior space 24.
  • Figure 2 shows the packaging 10 in a perspective view looking at the tray 16.
  • the packaging 10 is shown in the closed state.
  • the shell 16 is essentially cuboid-shaped.
  • the shell 16 has a bottom 28. Adjacent to the bottom 28 are a first side wall 30, two second side walls 32 and a third side wall 34 (in Figure 2 The side walls 30, 32, 34 are each connected by a Fold line 35 separated from the base 28 or angled at the fold line 35 relative to the base 28, here by 90° each.
  • the tray 16 has a first sealing edge 36.
  • the first sealing edge 36 is angled relative to the first side wall 30 along a first folded edge 38.
  • the first sealing edge 36 projects outward from the interior space 24, away from the first side wall 30.
  • the bowl 16 has two second seal edges 40 , one of which is Figure 2 is concealed.
  • the two second sealing edges 40 are each unwound along a second folded edge 42 opposite the respectively associated second side wall 32.
  • the two second sealing edges 40 each protrude from the interior space 24 outwardly away from the second side walls 32.
  • the shell 16 can have a (in Figure 2 concealed) third sealing edge.
  • the third sealing edge is angled along a third folded edge (also concealed) relative to the third side wall 34.
  • the third sealing edge projects from the interior space 24 outwardly away from the third side wall 34.
  • the lid 18 is bonded to the first sealing edge 36, the two second sealing edges 40, and the third sealing edge.
  • the bonding can be implemented as a heat seal in each case.
  • the bonding is typically applied over the entire surface of the sealing edges 36, 40 facing the lid 18. The peel strength of the bond exceeds the corresponding strength of the materials of the tray 16 and the lid 18.
  • a perforation 44 is formed on the first folded edge 38.
  • the perforation 44 extends over the entire length of the first folded edge 38.
  • the cellulose-containing flat material from which the tray 16 is folded is perforated along the first folded edge 38.
  • the first folded edge 38 and the perforation 44 can be introduced into the flat material in a single operation.
  • the perforation 44 can be formed with continuous perforation openings 46 , compare Figure 5
  • the perforation openings 46 completely penetrate the flat material of the tray 16. Between the perforation openings 46, webs 48 remain .
  • a height H1 of the webs 48 can be reduced by embossing the first folded edge 38 relative to a thickness D1 of the flat material of the tray 16.
  • the perforation 44 can be formed with recesses 50 , compare Figure 6 Elevations 52 are formed between the depressions 50. A remaining thickness D2 of the flat material in the region of the depressions 50 is reduced compared to a thickness D3 of the flat material in the region of the elevations 52.
  • the thickness D3 can correspond to a maximum thickness of the first folded edge 38.
  • the thickness D3 is generally smaller than a thickness D1 of the flat material of the shell 16 beyond the folded edge 38.
  • the packaging 10 can have a suspension recess 54.
  • the suspension recess 54 penetrates the first sealing edge 36 and the lid 18 in the area of their bonding.
  • the suspension recess 54 is therefore bordered by two layers here.
  • first sealing edge 36 together with the portion of the lid 18 glued thereto is torn off from the first side wall 30.
  • the first sealing edge 36 and the portion of the lid 18 glued thereto can be torn off in the direction of arrow 56, see Figure 3 , be moved away from the shell 16.
  • the first sealing edge 36 and the lid 18 are held clamped between the fingers of one hand (not shown).
  • Figure 3 A partially torn-off state of the packaging 10 is shown.
  • Figure 3 right area of the first fold edge 38 was torn along the perforation 44, whereas a Figure 3 left part of the first fold edge 38 is still intact.
  • this left part of the first fold edge 38 there is In other words, a continuous material connection between the first sealing edge 38 and the first side wall 30 by means of the flat material of the shell 16.
  • cellulose fibers (not shown in detail) of the lid 18 and/or the tray 16 can be torn. This tearing of cellulose fibers is favored by the fact that the (peel) strength of the adhesive bond between the lid 18 and the tray 16 is greater than the corresponding strength of the material of the tray 16 or the lid 18. Due to the tearing of the cellulose fibers, pieces of the torn cellulose fibers from the second sealing edges 40 can remain on the lid 18 in areas 58 of the original adhesive bond between the second sealing edges 40 and the lid 18. Accordingly, pieces of the torn cellulose fibers from the lid 18 can also remain on the second sealing edges 40.
  • Figure 8 shows a flowchart of a method 200 for providing an object 12, compare Figure 1 .
  • the provision method 200 is explained below using the example of the packaging 10 or container 14 described above.
  • a blank made of cellulose-containing flat material and a lid 18 are provided.
  • a tray 16 is obtained from the blank in the continuation of the method 200.
  • steps 206 and 208 respectively, a first folded edge 38 with a perforation 44 and a second folded edge 42 are introduced into the blank.
  • the first folded edge 38 delimits a first side wall 30 of the tray 16 being formed from a first Sealing edge 36.
  • the second fold edge 42 accordingly delimits a second side wall 32 of the tray 16 being formed from a second sealing edge 40.
  • a further second fold edge 42 is also introduced into the blank, which delimits a further second side wall 32 of the tray 16 being formed from a further second sealing edge 40.
  • a third fold edge can also be introduced into the blank, which delimits a third side wall of the tray 16 being formed from a third sealing edge. The blank can then be unfolded in a step 210 to obtain the tray 16.
  • an insert 26 can be inserted into the shell 16.
  • an object 12 is inserted into the shell 16.
  • the insert 26 or another, additional insert can also be inserted into the shell 16 after the object 12 has been inserted in section 214.
  • the lid 18 is glued to the first sealing edge 36, the second sealing edge 40(s), and, if applicable, the third sealing edge in a step 216. This results in a closed package 10 or a container 14 with a closed package 10 in which the object 12 is arranged.
  • the packaging 10 is then processed by a method 100 described above, see Figure 7 , opened. Then, in a step 218, the object 12 can be removed from the opened package 10 or its tray 16. The object 12 can now be used for further purposes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Packages (AREA)
  • Cartons (AREA)

Claims (12)

  1. Emballage (10) notamment dévolu à des marchandises de détail,
    comportant un couvercle (18) et une barquette déployée (16) en un matériau aplati renfermant de la cellulose,
    ladite barquette (16) et ledit couvercle (18) ceinturant un espace interne (24) de l'emballage (10),
    la barquette (16) présentant une première paroi latérale (30) sur laquelle, le long d'une première arête de pliage (38), un premier bord de scellement (36) est coudé vers l'extérieur à partir de l'espace interne (24),
    sachant que le couvercle (18) est relié par collage audit premier bord de scellement (36),
    sachant qu'une perforation (44) est façonnée sur la première arête de pliage (38) en vue de la dissociation conjointe par arrachage (102), d'avec la première paroi latérale (30), dudit premier bord de scellement (36) et de la région du couvercle (18) collée audit bord,
    ladite barquette (16) présentant une seconde paroi latérale (32) sur laquelle, le long d'une seconde arête de pliage (42), un second bord de scellement (40) est coudé vers l'extérieur à partir dudit espace interne (24),
    et sachant que ledit couvercle (18) est relié par collage audit second bord de scellement (40),
    caractérisé par le fait
    qu'une robustesse, en particulier une résistance au pelage de la solidarisation collée du couvercle (18) avec le second bord de scellement (40), est supérieure à une robustesse du matériau constituant ledit couvercle (18) et/ou la barquette (16) de façon telle que, pour procéder à l'ouverture de l'emballage (10), ledit couvercle (18) soit détaché, par traction, dudit second bord de scellement (40) après que le premier bord de scellement (36) a été dissocié, par arrachage, d'avec la première paroi latérale (30).
  2. Emballage (10) selon la revendication 1, caractérisé par le fait que la perforation (44) est munie d'orifices (46) traversant l'intégralité du matériau aplati constituant la barquette (16).
  3. Emballage (10) selon la revendication 1 ou 2, caractérisé par le fait que la perforation (44) est dotée de renfoncements (50) pratiqués dans le matériau aplati constituant la barquette (16), une épaisseur restante (D2) dudit matériau aplati étant réduite davantage encore, par rapport à la première arête de pliage (38), au niveau desdits renfoncements (50).
  4. Emballage (10) selon l'une des revendications précédentes, caractérisé par le fait que la perforation (44) s'étend, au niveau de la première arête de pliage (38), sur toute la longueur de ladite première arête de pliage (38).
  5. Emballage (10) selon l'une des revendications précédentes, caractérisé par le fait qu'un élément de base (20) du couvercle (18) est constitué d'un matériau aplati renfermant de la cellulose.
  6. Emballage (10) selon l'une des revendications précédentes, caractérisé par le fait que le couvercle (18) et/ou la barquette (16) comporte(nt) au moins une fenêtre d'observation (22) obturée, de préférence, par un élément d'obturation transparent.
  7. Emballage (10) selon l'une des revendications précédentes, caractérisé par le fait qu'un évidement de suspension (54) traverse, de part en part, le premier bord de scellement (36) et la région du couvercle (18) collée audit bord.
  8. Emballage (10) selon l'une des revendications précédentes, caractérisé par le fait qu'une partie d'insertion (26), affectée au blocage à demeure d'un objet (12) pouvant être logé dans ledit emballage (10), est située dans la barquette (16).
  9. Ensemble combiné (14) comprenant un emballage (10) conforme à l'une des revendications 1 à 8, et un objet (12) logé dans ledit emballage (10).
  10. Procédé (100) d'ouverture d'un emballage (10) conforme à l'une des revendications 1 à 9
    et comportant un couvercle (18) et une barquette déployée (16) en un matériau aplati renfermant de la cellulose,
    ladite barquette (16) et ledit couvercle (18) ceinturant un espace interne (24) de l'emballage (10),
    la barquette (16) présentant une première paroi latérale (30) sur laquelle, le long d'une première arête de pliage (38), un premier bord de scellement (36) est coudé vers l'extérieur à partir de l'espace interne (24),
    ladite barquette (16) présentant une seconde paroi latérale (32) sur laquelle, le long d'une seconde arête de pliage (42), un second bord de scellement (40) est coudé vers l'extérieur à partir dudit espace interne (24),
    et ledit couvercle (18) étant relié, par collage, audit premier bord de scellement (36) et audit second bord de scellement (40),
    sachant qu'une perforation (44) est façonnée sur la première arête de pliage (38),
    incluant l'étape consistant
    a) à dissocier conjointement par arrachage (102), d'avec la première paroi latérale (30), le long de ladite perforation (44) façonnée sur la première arête de pliage (38), ledit premier bord de scellement (36) et la région du couvercle (18) collée audit bord,
    caractérisé par l'étape additionnelle consistant
    b) à détacher, par traction (104), le couvercle (18) d'avec le second bord de scellement (40).
  11. Procédé selon la revendication 10, caractérisé par le fait que la barquette (16) et/ou le couvercle (18) renferme(nt) des fibres, en particulier des fibres de cellulose qui sont arrachées à l'étape b).
  12. Procédé (200) de mise à disposition d'un objet (12) dans un emballage conforme à l'une des revendications 1 à 9, incluant les étapes consistant
    A) à apprêter (202, 204) un couvercle (18) et un flan prédécoupé en un matériau aplati renfermant de la cellulose,
    B) à façonner (206, 208), dans le flan prédécoupé, une première arête de pliage (38) pourvue d'une perforation (44), laquelle première arête de pliage (38) délimite une première paroi latérale (30) vis-à-vis d'un premier bord de scellement (36), et une seconde arête de pliage (42), dans ledit flan prédécoupé, laquelle seconde arête de pliage (42) délimite une seconde paroi latérale (32) vis-à-vis d'un second bord de scellement (40),
    C) à déployer (210) une barquette (16) à partir dudit flan prédécoupé,
    D) à insérer (214) l'objet (12) dans ladite barquette (16),
    E) à relier, par collage (216), le couvercle (18) aux premier et second bords de scellement (36, 40) de ladite barquette (16),
    F) à ouvrir (100) ledit emballage (10) en opérant, au cours d'une étape a), une dissociation conjointe par arrachage (102) d'avec la première paroi latérale (30), le long de ladite perforation (44) façonnée sur la première arête de pliage (38), dudit premier bord de scellement (36) et de la région du couvercle (18) collée audit bord,
    caractérisé par le fait que, lors de l'ouverture (100) de l'emballage au cours d'une étape b), le couvercle (18) est détaché, par traction (104), d'avec le second bord de scellement (40).
EP20797430.4A 2019-10-23 2020-10-22 Emballage en matériau cellulosique et procédé d'ouverture Active EP4048606B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019216307.6A DE102019216307A1 (de) 2019-10-23 2019-10-23 Verpackung aus Zellulosematerial und Öffnungsverfahren
PCT/EP2020/079706 WO2021078838A1 (fr) 2019-10-23 2020-10-22 Emballage en matériau cellulosique et procédé d'ouverture

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EP4048606A1 EP4048606A1 (fr) 2022-08-31
EP4048606B1 true EP4048606B1 (fr) 2025-09-10
EP4048606C0 EP4048606C0 (fr) 2025-09-10

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US (1) US20220242641A1 (fr)
EP (1) EP4048606B1 (fr)
CN (1) CN114728727A (fr)
DE (1) DE102019216307A1 (fr)
WO (1) WO2021078838A1 (fr)

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ES2962491T3 (es) * 2019-05-06 2024-03-19 Trisa Holding Ag Dispositivo de envase de productos de cepillado y envase en bandeja para un alojamiento de al menos dos dispositivos de envase de productos de cepillado
DE202022105694U1 (de) 2022-10-10 2022-10-19 M + C Schiffer Gmbh Verpackung
EP4601967A1 (fr) * 2022-10-10 2025-08-20 M+C Schiffer GmbH Emballage
DE102023208861A1 (de) * 2023-09-12 2025-03-27 Robert Bosch Gesellschaft mit beschränkter Haftung Bohrerverpackungsvorrichtung, insbesondere zu einer direkten Verpackung eines Bohrers mit einem Durchmesser kleiner als 5 mm

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Also Published As

Publication number Publication date
WO2021078838A1 (fr) 2021-04-29
EP4048606A1 (fr) 2022-08-31
CN114728727A (zh) 2022-07-08
EP4048606C0 (fr) 2025-09-10
DE102019216307A1 (de) 2021-04-29
US20220242641A1 (en) 2022-08-04

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