EP1753665B1 - Boite en carton composite - Google Patents

Boite en carton composite Download PDF

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Publication number
EP1753665B1
EP1753665B1 EP05748413A EP05748413A EP1753665B1 EP 1753665 B1 EP1753665 B1 EP 1753665B1 EP 05748413 A EP05748413 A EP 05748413A EP 05748413 A EP05748413 A EP 05748413A EP 1753665 B1 EP1753665 B1 EP 1753665B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
opening edge
lid
container according
laminated cardboard
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
EP05748413A
Other languages
German (de)
English (en)
Other versions
EP1753665A1 (fr
Inventor
Werner Breier
Frank Eckmann
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.)
Abro Weidenhammer GmbH
Original Assignee
Abro Weidenhammer GmbH
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 Abro Weidenhammer GmbH filed Critical Abro Weidenhammer GmbH
Priority to PL05748413T priority Critical patent/PL1753665T3/pl
Publication of EP1753665A1 publication Critical patent/EP1753665A1/fr
Application granted granted Critical
Publication of EP1753665B1 publication Critical patent/EP1753665B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/28—Other details of walls
    • B65D3/30—Local reinforcements, e.g. metallic rims
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
    • B65D43/0256—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element only on the outside, or a part turned to the outside, of the mouth of the container
    • B65D43/026—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element only on the outside, or a part turned to the outside, of the mouth of the container leaving only an inside friction after removal of the tamper element
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00638—Rolled edge
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/0074—Massive bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00851—Integral tabs, tongues, handles or similar on the central part of the lid

Definitions

  • the invention relates to a cardboard composite can with a sleeve made of paper or cardboard composite whose opening edge is formed at least one end to form at least three, at least partially substantially parallel layers of the sleeve material to the outside, wherein the free end of the sleeve having position between an inner layer and an outer layer is arranged.
  • Cardboard composite cans are used in particular for receiving solid, optionally free-flowing or even fluid substances, for example foods or luxury foods, such as chips, coffee, biscuits, tobacco, etc.
  • the lower part of the cardboard composite can formed from the sleeve and the bottom, and in particular the sleeve which forms the lateral surface of the cardboard composite can, consists of a paper or cardboard composite and generally carries an imprint characterizing the contents of the cardboard composite can.
  • the sleeve of the cardboard composite can often has on its inside a lamination of a substantially gas-impermeable material, such as metal, plastic, metal-plastic Compounds or the like, on.
  • a substantially gas-impermeable material such as metal, plastic, metal-plastic Compounds or the like
  • the packaged cardboard composite cans which in the region of its opening edge by means of a membrane of gas impermeable material, such as metal, plastic or the like, gas-tight, in particular sealed, in order to further protection and a longer shelf life of the packaged goods and to protect the consumer from accidental or intentional damage or contamination of the packaged goods.
  • a membrane seal is durably more or less completely removed during the first opening of the cardboard composite can, whereby a successful opening of the cardboard composite can be clearly seen.
  • a lid on the opening edge of a can, which forms a so-called tamper-evident closure.
  • the term "tamper-evident closure” refers to such a lid which is fixed to the opening edge of the can so that it as such can not be separated from the can without destroying the lid and / or the can that a first-opening of the box or a first-time removal of the lid is readily apparent.
  • a disadvantage is that in the manner of a tamper-evident lid of the aforementioned type can be used only in cans made of glass, metal or plastic, since the undercut of the separable portion of the lid bulge of the can have in the region of its peripheral edge a certain stability and shape retention must, which can not be achieved in conventional cardboard cans so far.
  • a cardboard composite can with an opening edge according to the preamble of claim 1 can be removed.
  • the opening edge is thereby folded outwards so that three layers of the sleeve material are partially arranged approximately parallel and extending the free end of the sleeve having position between the inner and the outer layer.
  • studies have shown even with such an opening edge that he has a sufficient to hold a lid designed in the form of a tamper only insufficient stability and the peripheral edge when pulling the lid up on or can unroll.
  • the invention is therefore based on the object, the peripheral edge of a cardboard composite can with a sleeve of paper or cardboard composite form such that it is designed to functionally reliable arrangement of a tamper-evident lid, which opens the edge with a substantially parallel to the sleeve arranged, separable from the lid section engages outside locking, is in the situation.
  • this object is achieved in a cardboard composite box of the type mentioned above in that the layers of the sleeve material in the area defined by the opening edge in the manner defined in claim 1 are pressed together.
  • the embodiment of the invention gives the opening edge already when the opening edge of only three, at least partially approximately parallel layers is formed, a perfect dimensional stability, so that it gives a trained in the form of a tamper-evident lid of the above type a secure fit and a non-destructive The detachment of the same without reliably separating the section which engages under the invention according to the invention pressed along its weakening line.
  • a winding or unrolling of the present invention pressed-in opening edge is prevented in particular by the arranged between at least one inner and at least one outer layer position with the free end of the sleeve material, which come to this parallel to the plant layers act like an abutment and reliably prevent unrolling of the opening edge.
  • the cover peeled off with force, then it comes to at least partially ruptures of the lid and / or the sleeve material in the region or below the opening edge of the box, so that a first-time opening of the box is readily apparent and the lid in particular no longer then put the can on. Due to the at least three-layered design of the opening edge of this has, even if its layers have been compressed as a result of the compression, a sufficient thickness to the intervening him Section of the lid to give a secure and lasting hold.
  • the inventively designed peripheral edge of the can is also advantageous if a lid designed in the form of a tamper-evident closure is not provided.
  • a lid designed in the form of a tamper-evident closure is not provided.
  • its high dimensional stability can be exploited in order to produce in the area of the opening edge by means of hot pressing tools on the inside, i.
  • a sealing membrane which can be achieved due to the high stability of the opening edge over the prior art increased sealing pressures and thus reduced sealing times, resulting in increased productivity.
  • the dimensional stability of the opening edge according to the invention is, moreover, so great that, in the case of the inner sealing of a sealing membrane, it is generally sufficient to move a hot sealing stamp into the interior of the can in the region of the peripheral edge, without the necessity of applying a back pressure from the outside, as is the case with prior art paperboard cans.
  • the opening edge according to the invention also has the additional advantage that the free end having the position of the sleeve material between at least an inner and an outer layer is taken, so that on the one hand the cutting edge, which felt unaesthetic depending on the paper or cardboard material Fanning may have, is not visible and on the other hand - if the sleeve is provided with an inside lamination - can not come to a partial detachment of the lamination by mechanical stress in the region of the opening edge.
  • the opening edge of course more than three, at least partially arranged approximately parallel, pressed together layers of the sleeve material, it is sufficient in most cases for perfect dimensional stability of the opening edge, if he exactly three, at least partially substantially parallel layers of the Sleeve material, wherein the free end of the sleeve having position between the inner and the outer layer of the sleeve material is arranged.
  • the free end of the sleeve having position extends substantially over the entire height of the opening edge.
  • these e.g. in the case of a three-layered design of the opening edge middle position of the sleeve with the free end on both sides, substantially over its entire extension adjacent adjacent layers as a result of their compression a reliable abutment to protect against unrolling of the peripheral edge and can be an optimal thickness of Opening edge with a very low compliance of the same along its entire extent achieve.
  • the invention provides that the sum of the wall thicknesses of the substantially parallel layers of the opening edge as a result of compression is at most 80% of the sum of the wall thicknesses of a corresponding number of unpressed layers of the sleeve material
  • the sum of the wall thicknesses of the substantially parallel layers of the opening edge as a result of the pressing preferably at most about 70%, in particular between about 60% and about 70%, the sum of the wall thicknesses can be a corresponding number of unpressed layers of the sleeve material.
  • the lower bending edge of the opening edge extends substantially perpendicular to the sleeve, wherein preferably the inner and outer peripheral edge of the lower bending edge are formed substantially sharp-edged.
  • the opening edge thus has a substantially rectangular profile, wherein the Umlegeadien the inner and the outer peripheral edge of the bending edge can be approximately 0.
  • an optimal and highly stable, flat locking edge for the lid is formed, which is e.g. in a simple manner can be generated by the opening edge is supported at its lower, the lower bending edge forming end during the pressing of the layers against a forming die (calibration tool) as an abutment.
  • the opening edge may be formed for reasons of a simple and cost-effective production to achieve a perfect stability in the form of an adhesive-free Preßharm the layers of the sleeve material.
  • the sleeve can - if desired - have a particular over the opening edge with outwardly extending inner lining, as it is known as such in generic cardboard composite cans for protection against moisture, leaking odors and the like.
  • the inner lining may preferably be made of a weldable material, such as a thermoplastic material, or contain such.
  • the sleeve has a particular over the opening edge with outwardly extending outer coating and / or outer coating, wherein the outer coating or -lakk ist again preferably be formed of a weldable material or may contain such.
  • the sleeve of the cardboard composite can is provided with such an inner lining and / or with such an outer coating or lacquering, it can further be provided that the inner lining of at least one layer in the region of the opening edge is welded to the outer coating or lacquering of at least one adjacent layer is what eg can be achieved in a simple manner by suitable pressure and temperature selection during the pressing of the layers of the sleeve material in the region of the opening edge.
  • the free end of the sleeve having middle layer to be welded to the inner layer so that the greatest possible stability of the opening edge given and unrolling of the layers in the region of the opening edge de facto impossible.
  • a simple - adhesive-free and not welding - pressing of the layers sufficient to achieve a sufficient and compared to the prior art, significantly increased stability of the opening edge.
  • a tight-closing membrane is arranged on the inner lining in the region of the opening edge, wherein the membrane is preferably arranged sunk in the sleeve and exclusively is fixed with an annular, sleeve-parallel connection surface on the inner lining, in particular sealed to this, for example, to ensure a trouble-free arrangement of a formed in the form of a tamper-evident lid.
  • such a membrane optionally provided with a tear-open tab, can also be dispensed with in the case of a corresponding design of the lid, if it rests in a substantially gas-tight manner even after the first removal from the can of the inner lining of the sleeve and thus ensures a satisfactory tightness of the can.
  • a lid designed in the form of a tamper-evident closure engages over the opening edge with a section arranged essentially parallel to the sleeve, whereby the portion of the opening which engages under the opening edge of the sleeve Cover is separable along a line of weakness of the lid, so that the lid - after separating its the opening edge of the invention under cross-section along the line of weakness - is removable from the opening edge of the sleeve.
  • the latter In addition to the opening edge of the sleeve engaging under the outside, detachable from the remaining lid portion of the lid, the latter preferably has a substantially parallel to the sleeve extending, the sleeve at least in the region of its opening edge on the inside adjacent portion over which the lid after separating the the opening edge on the outside under cross-section can be fixed to the opening edge of the sleeve.
  • the outer diameter of the opening edge of the sleeve inside adjacent portion of the lid slightly exceeds, so that the lid after detachment of the opening edge outside under cross-section in the manner of a clamping connection to the opening edge of the sleeve is releasably fixed.
  • a largely dense connection between the can and the lid can be achieved, in particular even after the first removal of the lid with separation of its opening edge of the box under the invention, the outer portion.
  • the can generally has an opening edge of the aforementioned type arranged at the one end of the sleeve, while it is closed by a bottom at its end opposite the opening edge of the sleeve.
  • a cardboard composite can 1 which has a shell 2 forming its lateral surface of a paper or cardboard composite material.
  • the sleeve 2 has at its upper end a subsequently explained in more detail opening edge 3 and is at its the opening edge 3 opposite, in Fig. 1 bottom end provided with a bottom 4, which is fixed in any known manner on the sleeve 2.
  • the sleeve 2 may be coated with an unspecified reproduced inner lining, for example of metal and / or plastic, which gives the sleeve 2 a perfect gas tightness.
  • the bottom 4 in particular if this is likewise formed from a paper or cardboard composite material.
  • the sleeve 2 may also be provided on the outside with an outer coating or coating, also not shown, which has, for example, a label identifying the contents of the can 1 or the like. While the sleeve 2 in the present embodiment has an approximately circular cross-section (see, in particular Fig. 2 ), this can of course also have an oval, polygonal or differently designed shape. It is also conceivable that the sleeve 2 instead of their rectilinear configuration according to Fig. 1 below the opening edge 3 has a narrowing from the bottom 4 upwards cross-section (not shown) to compensate for the given by the opening edge 3 cross-sectional widening and to allow a parallel arrangement of multiple cans 1 close to tight.
  • the permanent and dimensionally stable opening edge 3 of the sleeve 2 is designed such that it is substantially parallel to form three arranged layers 2a, 2b, 2c is formed to the outside, wherein the layers 2a, 2b, 2c are pressed together and the free end 2d of the sleeve 2 having position 2b between the inner layer 2a and the outer layer 2c is arranged.
  • the opening edge 3 of the sleeve 2 is in the present embodiment by folding the sleeve material in the region between the inner layer 2a and the outer layer 2c by approximately 180 ° radially outward (fold F 1 ) and by further folding of the sleeve material in the region between the outer layer 2c and the middle layer 2b formed by about 180 ° radially inwardly (fold F 2 ), the parallel layers 2a, 2b, 2c of the sleeve material in the region of the opening edge 3, in particular substantially over the entire height H, are pressed together so that the layers 2a, 2b, 2c at least in their central region - here practically parallel to each other over their entire area.
  • the compression was carried out in the present embodiment such that such a plastic deformation or compression of the opening edge 3 forming layers 2a, 2b, 2c of the sleeve material has adjusted that the sum of the wall thicknesses D kompr of the substantially parallel layers 2a, 2b, 2c of the opening edge 3 or the total thickness of the opening edge 3 as a result of the pressing is about 75% of the sum of the wall thicknesses of a corresponding number of unpressed layers of the sleeve material.
  • the middle layer 2b arranged between the inner layer 2a and the outer layer 2c with the free end 2d of the sleeve material extends substantially over the entire height H of the opening edge 3, ie from the upper fold F 1 to the lower fold F 2 , so that the free end 2 d of the middle layer 2 b is in the region of the arranged at the upper edge of the opening edge 3 fold F 1 , where the sleeve material to form the Inner layer 2a and the outer layer 2c is folded over by about 180 ° to the outside.
  • the free end 2 d of the middle layer 2 b may be in contact with the inner layer 2 a and / or the outer layer 2 c in the region of the fold F 1 on its end face S.
  • the press connection in this case is designed adhesive-free, with a perfect stability of the opening edge 3 is obtained, which - as already mentioned - in particular for receiving a below with reference to Fig. 4 lid is described in the form of a tamper evident closure suitable.
  • Fig. 4 shows a detail section shown cut off by the cardboard composite can according to Fig. 1 to 3 in the region of its opening edge 3.
  • the opening edge 3 according to Fig. 4 can one of the Fig. 3 have corresponding design, is in Fig. 4 however, for the sake of illustration only in the form of a thickening, in the region of which at least three approximately parallel layers 2a, 2b, 2c (FIG. FIG. 3 ) of the sleeve material are pressed together.
  • the pressing pressure was chosen slightly higher in this case, so that the sum of the wall thicknesses D kompr of the substantially parallel layers 2a, 2b, 2c of the opening edge 3 or the total thickness of the same as a result of pressing about one third of the sum of the wall thicknesses of a corresponding number at unmolded layers of the sleeve material.
  • a tamper-evident lid 5 is fixed, which may be made for example of a suitable plastic material.
  • the lid 5 has a substantially parallel to the sleeve 2 arranged portion 6, which engages under the opening edge 3 of the sleeve 2 on the outside latching.
  • the portion 6 of the lid 5 is provided in its sleeve facing inner, arranged below the opening edge 3 area with a locking projection 7, which prevents the lid 5 can be removed with the section 6 on the opening edge 3 away from the cardboard composite box.
  • Both the portion 6 of the lid 5 and the locking projection 7 preferably extend over the entire circumference of the lid 5.
  • the circumferential edge 3 of the sleeve 2 on the outside latching cross-section 6 of the lid 5 is a predetermined breaking or weakening line 8 of the lid 5 detachable, so that the lid 5 is removable only after separation of the section 6 along the line of weakness 8 of the can and the first-time opening is readily apparent.
  • the inventive design of the opening edge 3 of the sleeve 2 gives this a sufficient stability and thickness to the designed in the form of a tamper-evident cover 5 at a can 1 (Fig. Fig. 1 ) can be used from paper or cardboard composite material.
  • the line of weakness 8 between a radial on the in Fig. 4 upper end side of the opening edge 3 of the sleeve 2 seated portion 9 of the lid 5 and the portion 6 is arranged.
  • a tab (not shown) may further be provided, which facilitates the manual gripping of the section 6 in order to separate it along the weakening line 8 from the remaining cover 5.
  • the lid 5 is provided in the present embodiment with a substantially parallel to the sleeve 2 and to the portion 6 extending, the sleeve 2 at least in the region of the opening edge 3 inside adjacent section 10, via which the cover 5 after separation of the opening edge 3 outside under cross-section 6 on the sleeve 2 can be fixed.
  • the section 10 in turn extends in particular around the entire peripheral region of the lid 5. While in the embodiment shown, the open-topped sleeve 2 covering, arranged substantially perpendicular to this section 11 at the portion 10, is recessed into the sleeve 2, this can Of course, be arranged above the opening edge 3 of the sleeve 2.
  • a tight closing membrane (not shown), for example, metal, plastic, etc., be sealed, which is arranged sunken in the sleeve 2.
  • Applicants.ist is preferably a central portion of the membrane along a line of weakness of the sleeve 2 on the inside fixed portion of the membrane, for example by means of a provided at the central portion of the membrane tear-open, detachable.
  • the can body was by clamping between a stationary inner mandrel with a the inner cross section of the sleeve 2 approximately External cross-section and a stationary outer ring with an outer cross-section of the sleeve 2 approximately corresponding inner cross-section fixed.
  • a lid 5 simulating metal ring was arranged and brought to the lower bending edge 2e and to the outer peripheral surface of the outer layer 2c for conditioning.
  • the metal ring was moved by means of a pneumatic cylinder with about 100 mm diameter from the fixed sleeve 2 upwards, wherein the pressure in the pneumatic cylinder was measured. At a pressure of about 7 bar (corresponding to a withdrawal force of about 5000 N) tore the Material of the sleeve 2 below the opening edge 3 on; the opening edge 3 itself remained intact.
  • the paper or paperboard composite edge of the invention has a more than seven times increased stability over a conventional opening edge, and in particular for receiving a lid, e.g. in the form of a tamper-evident closure, for sealing on the inside of a membrane without external support of the sleeve, etc., is outstandingly suitable.

Claims (18)

  1. Boîte en carton composite (1) comprenant une gaine (2) en papier ou en carton composite, dont le bord (3) d'ouverture est déformé vers l'extérieur sur une extrémité au moins formant ainsi au moins trois couches (2a, 2b, 2c) de matériau constituant la gaine, couches disposées sensiblement parallèles dans quelques zones au moins, la couche (2b) présentant l'extrémité libre (2d) de la gaine (2) étant disposée entre une couche intérieure (2a) et une couche extérieure (2c), caractérisée en ce que les couches (2a, 2b, 2c) de matériau de la gaine sont pressées ensemble dans la zone du bord (3) d'ouverture, la somme des épaisseurs de paroi (Dkompr) des couches disposées sensiblement parallèles (2a, 2b, 2c) du bord (3) d'ouverture représentant, en raison de la compression, 80 % au plus de la somme des épaisseurs de paroi d'un nombre correspondant de couches non comprimées de matériau de la gaine.
  2. Boîte en carton composite selon la revendication 1, caractérisée en ce que le bord (3) d'ouverture présente exactement trois couches (2a, 2b, 2c) de matériau de la gaine, disposées sensiblement parallèles dans quelques zones au moins, la couche (2b) présentant l'extrémité libre (2d) de la gaine (2) étant disposée entre la couche intérieure (2a) et la couche extérieure (2c) du matériau constituant la gaine.
  3. Boîte en carton composite selon la revendication 1 ou 2, caractérisée en ce que la couche (2b) présentant l'extrémité libre (2d) de la gaine (2) et disposée entre deux autres couches (2a, 2c) du matériau constituant la gaine s'étend sensiblement sur la totalité de la hauteur (H) du bord (3) d'ouverture.
  4. Boîte en carton composite selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la somme des épaisseurs de paroi (Dkompr) des couches (2a, 2b, 2c) du bord (3) d'ouverture, disposées sensiblement parallèles, représente en raison de la compression, 70 % au plus, et plus particulièrement entre 60 et 70 % de la somme des épaisseurs de paroi d'un nombre correspondant de couches non comprimées de matériau de la gaine.
  5. Boîte en carton composite selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'arête inférieure de pliage (2e) du bord (3) d'ouverture s'étend sensiblement perpendiculaire à la gaine (2).
  6. Boîte en carton composite selon l'une quelconque des revendications 1 à 5, caractérisée en ce que les arêtes périmétriques intérieure (2f) et extérieure (2g) de l'arête inférieure de pliage (2e) sont conformées sensiblement à angles vifs.
  7. Boite en carton composite selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le bord (3) d'ouverture est constitué par une liaison de compression, sans utilisation de produit adhésif, des couches (2a, 2b, 2c) du matériau constituant la gaine.
  8. Boîte en carton composite selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la gaine (2) présente une doublure interne s'étendant plus particulièrement vers l'extérieur sur le bord (3) d'ouverture.
  9. Boite en carton composite selon la revendication 8, caractérisée en ce que la doublure interne présente un matériau pouvant être soudé.
  10. Boîte en carton composite selon l'une quelconque des revendications 1 à 9, caractérisée en ce que la gaine (2) présente un revêtement ou un enduit de laque extérieur s'étendant plus particulièrement vers l'extérieur sur le bord (3) d'ouverture.
  11. Boite en carton composite selon la revendication 10, caractérisée en ce que le revêtement ou l'enduit de laque extérieur présentent un matériau pouvant être soudé.
  12. Boîte en carton composite selon l'une quelconque des revendications 9 à 11, caractérisée en ce que la doublure interne d'au moins une couche (2b) dans la zone du bord (3) d'ouverture est soudée au revêtement ou à l'enduit de laque extérieur d'au moins une couche (2a) voisine.
  13. Boîte en carton composite selon l'une quelconque des revendications 9 à 12, caractérisée en ce qu'une membrane à obturation étanche est disposée sur la doublure interne dans la zone du bord (3) d'ouverture.
  14. Boîte en carton composite selon la revendication 13, caractérisée en ce que la membrane est disposée estampée dans la gaine (2) et en ce qu'elle est fixée à la doublure interne, plus particulièrement scellée sur celle-ci, uniquement par une surface de liaison annulaire, parallèle à la gaine.
  15. Boîte en carton composite selon l'une quelconque des revendications 1 à 14, caractérisée en ce qu'un couvercle (5) constituant une fermeture inviolable est fixé au bord (3) d'ouverture, qui accroche par le dessous le bord (3) d'ouverture par une partie (6) disposée sensiblement parallèle à la gaine (2), faisant saillie vers l'extérieur, la partie (6) du couvercle (5) accrochant par le dessous le bord (3) d'ouverture de la gaine (2) pouvant être détachée du couvercle (5) le long d'une ligne de rupture (8), de sorte que le couvercle (5) peut être détaché du bord (3) d'ouverture de la gaine (2).
  16. Boîte en carton composite selon la revendication 15, caractérisée en ce que le couvercle (5) présente une partie (10) s'étendant sensiblement parallèle à la gaine (2), en contact avec la gaine (2), au moins dans la zone du bord (3) de son ouverture, sur sa face intérieure, par laquelle le couvercle (5) peut être fixé au bord (3) d'ouverture de la gaine (2) après avoir détaché la partie (6) accrochant à l'extérieur par le dessous le bord (3) d'ouverture.
  17. Boîte en carton composite selon la revendication 16, caractérisée en ce que le diamètre extérieur de la partie (10) du couvercle (5) en contact avec le bord (3) d'ouverture de la gaine (2) sur sa face intérieure dépasse légèrement le diamètre intérieur de la gaine (2) dans la zone du bord (3) d'ouverture (12a, 12b), de sorte que le couvercle (5) peut être fixé amovible sur le bord (3) d'ouverture de la gaine (2) à la manière d'une jonction par serrage après avoir enlevé sa partie (6) accrochant à l'extérieur par le dessous le bord (3) d'ouverture.
  18. Boîte en carton composite selon l'une quelconque des revendications 1 à 17, caractérisée en ce que la boîte (1) présente un bord (3) d'ouverture disposé à une extrémité de la gaine (2) selon l'une quelconque des revendications 1 à 18, la boîte (1) étant fermée à l'extrémité de la gaine (2) opposée au bord (3) d'ouverture par un fond (4).
EP05748413A 2004-05-28 2005-05-27 Boite en carton composite Active EP1753665B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05748413T PL1753665T3 (pl) 2004-05-28 2005-05-27 Kartonowa puszka wielowarstwowa

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004026186A DE102004026186A1 (de) 2004-05-28 2004-05-28 Kartonverbunddose
PCT/EP2005/005767 WO2005115851A1 (fr) 2004-05-28 2005-05-27 Boite en carton composite

Publications (2)

Publication Number Publication Date
EP1753665A1 EP1753665A1 (fr) 2007-02-21
EP1753665B1 true EP1753665B1 (fr) 2008-05-14

Family

ID=34969385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05748413A Active EP1753665B1 (fr) 2004-05-28 2005-05-27 Boite en carton composite

Country Status (5)

Country Link
EP (1) EP1753665B1 (fr)
AT (1) ATE395267T1 (fr)
DE (2) DE102004026186A1 (fr)
PL (1) PL1753665T3 (fr)
WO (1) WO2005115851A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022269101A1 (fr) * 2021-06-25 2022-12-29 Rpc Bramlage Gmbh Emballage comprenant un récipient et un couvercle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH453927A (de) * 1967-10-09 1968-03-31 Obrist Ag Albert Deckel für Behälter
CH520599A (de) * 1970-03-02 1972-03-31 Obrist Ag Albert Behälter mit Deckel
US4299350A (en) * 1979-11-16 1981-11-10 Boise Cascade Corporation Composite container including a reversely curled body member
US4368841A (en) * 1980-08-07 1983-01-18 Phillips Petroleum Company Paper container
US4557414A (en) * 1981-07-14 1985-12-10 Boise Cascade Corporation Membrane-type end closure member
DE8706898U1 (fr) * 1987-05-14 1987-06-25 Weidenhammer Packungen Kg Gmbh & Co, 6832 Hockenheim, De
DE19614882A1 (de) * 1996-04-16 1997-10-23 Buck Chem Tech Werke Kombidose
DE29712611U1 (de) * 1997-07-17 1997-09-18 Weidenhammer Packungen Kombidose mit Außenbördel und Stülpdeckel
DE20206548U1 (de) * 2002-04-24 2003-05-28 Abro Weidenhammer Gmbh Kartonverbunddose

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022269101A1 (fr) * 2021-06-25 2022-12-29 Rpc Bramlage Gmbh Emballage comprenant un récipient et un couvercle

Also Published As

Publication number Publication date
DE102004026186A1 (de) 2005-12-29
ATE395267T1 (de) 2008-05-15
WO2005115851A1 (fr) 2005-12-08
PL1753665T3 (pl) 2008-10-31
DE502005004130D1 (de) 2008-06-26
EP1753665A1 (fr) 2007-02-21

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