EP3356240B1 - Boîte d'emballage étanche aux fuites et aux liquides - Google Patents

Boîte d'emballage étanche aux fuites et aux liquides Download PDF

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Publication number
EP3356240B1
EP3356240B1 EP16850435.5A EP16850435A EP3356240B1 EP 3356240 B1 EP3356240 B1 EP 3356240B1 EP 16850435 A EP16850435 A EP 16850435A EP 3356240 B1 EP3356240 B1 EP 3356240B1
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EP
European Patent Office
Prior art keywords
folding
packaging box
corner
fold
liquid
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
EP16850435.5A
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German (de)
English (en)
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EP3356240A1 (fr
EP3356240A4 (fr
EP3356240C0 (fr
Inventor
Mika Tuhkunen
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Stora Enso Oyj
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Stora Enso Oyj
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Publication date
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Publication of EP3356240A1 publication Critical patent/EP3356240A1/fr
Publication of EP3356240A4 publication Critical patent/EP3356240A4/fr
Application granted granted Critical
Publication of EP3356240B1 publication Critical patent/EP3356240B1/fr
Publication of EP3356240C0 publication Critical patent/EP3356240C0/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D5/20—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/30—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with tongue-and-slot or like connections between sides and extensions of other sides
    • 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
    • B65D5/20—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/241—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body
    • 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
    • B65D5/001—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 stackable
    • B65D5/0015—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 stackable the container being formed by folding up portions connected to a central panel
    • B65D5/003—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 stackable the container being formed by folding up portions connected to a central panel having ledges formed by extensions of the side walls
    • B65D5/0035—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 stackable the container being formed by folding up portions connected to a central panel having ledges formed by extensions of the side walls the ledges being located between side walls and doubled-over extensions
    • 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
    • B65D5/20—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/241—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body
    • B65D5/243—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body the container body comprising a continuous rim or flange
    • 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
    • B65D5/20—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/247—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 by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and being maintained in erected condition by integral mechanical locking means formed on, or coacting with, the gusset folds, e.g. locking tabs, tongue and slit
    • 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
    • B65D5/4279—Joints, seams, leakproof joints or corners, special connections between panels

Definitions

  • the object of the present invention is a leakproof and liquid-tight packaging box as defined in the preamble of claim 1.
  • packagings Numerous different packagings are known in the packaging sector, which have been developed for differing needs.
  • the construction of packaging is primarily determined by the intended use, but other aspects related to the manufacture and use of a packaging must also be taken into account in the design of the packaging.
  • the corner structures in packagings, particularly those that must be liquid-tight and leakproof, are in most cases a problematic point.
  • liquid-tight and leakproof packagings that can be stacked one on top of another are needed in the food industry for packing meat and fish.
  • the packagings of meat and fish must be made of hygienic materials, i.e. the material must be approved for coming into contact with fatty food.
  • boxes for meat and fish must be very firm, because there can be up to 20 kg of weight in one packaging and boxes are generally stacked one on top of another generally 10 layers high.
  • another substantial problem has been the structural rigidity of the packagings and their stacking strength.
  • JP2004175433 An example of a packaging box is seen in document JP2004175433 , disclosing a box capable of being assembled from a single sheet without use of any adhesives.
  • the packaging box in JP2004175433 is not leakproof and thus not suitable for packaging meat or fish.
  • leakproof packagings fabricated from expanded polystyrene or plastic pressed into shape, fillable from above and stackable one on top of another have often been used for preserving and transporting meat.
  • Such boxes require a large storage space before they are taken into use, and in consequence this incurs unnecessary costs. Also their disposal after use is problematic. Additionally, the materials used in manufacturing them are not renewable, so from an environmental perspective use of the packagings described above is not ecological.
  • liquid-tight packagings fabricated from corrugated board, and one such solution is disclosed in utility model FI 10658.
  • a solution provided with a corner bellows which is per se known in the art, is used in the aforementioned publication.
  • the structure has a leakproof corner with integrated lid flaps in such a way that the stacking planes of the end lock into the counterslots of the top edge of the leakproof corners.
  • One shortcoming of the structure is the uncertainty of the locking under stress. There is not sufficient friction in the flap coming between stacking planes nor does the flap have the necessary locking to bind the structure; this is particularly true in corrugated board with a slippery PET coating.
  • a substantial shortcoming of the solution is the liquid-tight corner structure in the right-angle of the end.
  • the corner tries to loosen when erected, because there are a number of board layers in the end. Owing to the aforementioned structure, they function like a spring in the corner, trying to push the box outwards from the corners. Since the flaps coming between the stacking planes do not have proper locking, this results in the bulging of the corner and even in stress endeavoring to open the structure.
  • the aim of the present invention is to achieve a solution by means of which the drawbacks of prior art are avoided.
  • a fully liquid-tight and leakproof packaging box can be realized. That being the case, the structure of the packaging according to the invention remains liquid-tight also when heavily packed.
  • the packaging retains its shape essentially unchanged, even though a number of layers are stacked one on top of another on top of it.
  • the invention relates to corrugated board packagings, and blanks thereof, to be formed mechanically or manually without adhesive, that are tight against liquid and leaks from inside and also tight against damp and liquid from outside.
  • the packagings are stackable one on top of another; they do not have lid flaps detrimental to packing but instead have short stacking shoulders.
  • the packaging box according to the invention is a one-piece leakproof and liquid-tight packaging box fabricated from corrugated board to be formed mechanically or manually without adhesive.
  • the box has a base surface 1, a folding surface 2 of the long sides, a vertical surface 3 of the short side, a stacking plane 4 of the short side, an underside 5 of the stacking plane of the short side, and also corner bellows 6 and 7 for achieving a liquid-tight corner structure.
  • Fig. 1 with these a packaging according to Fig. 2 , formed without adhesive mechanically or manually, is obtained from one die-cut blank, in which packaging the surfaces 2, 3, 4, 5, 6, 7 form a liquid-tight and leakproof structure.
  • the corner bellows 6 and 7 fold against each other onto the inside surface of the vertical surface 3 owing to the inclined fold 18.
  • the inclined conical fold 21 between the folding surface 2 and the corner bellows 7 is essential to the invention; this fold improves the rigidity of the end of the liquid-tight packaging box.
  • the box becomes liquid-tight and leakproof when the crease 22 between the base surface 1 and the vertical surface 3 is folded together with conical fold 21 between the folding surface 2 and the corner bellows 7 and the bottom crease 20 of the long sides.
  • the angle X between the conical fold 21 and the inclined fold 18 is in the range 45-50°, most preferably 47 0 .
  • the angle Y between the conical fold 21 and the vertical fold 24 of the vertical surface 3 is in the range 90-100°, most preferably 94°.
  • the inner end A of the inclined folding line of the conical fold 21 connects with the straight crease 22 between the base surface 1 and the vertical surface 3.
  • the inclination of the folding line of the conical fold 21 at the outer end B is 5-20 mm with respect to the crease 22.
  • the end face is formed in the vertical direction into a cone shape sloping to inside the box, in which case the top part of the box is shorter in terms of the length of the box than the length of the base part.
  • the inner end A of the inclined folding line of the conical fold 21 refers to the inner corner nearest the base surface 1.
  • the aforementioned corner connects at the junction point the straight crease 22 between the base surface 1 and the vertical surface 3 of a short side and the straight base crease 20 between the base surface 2 and the vertical surface 2 of a longer side.
  • the outer end B of the inclined folding line of the conical fold 21 refers to the junction point of the long sides 2 farther from the base surface 1, the second folding lines 19 and the outer end B of the conical fold 21.
  • the conical fold 21 between the inner end A and the outer end B is folded into an inclination sloping inwards in the direction of the long sides 2 of the box in such a way that the inclination of the folding line of the conical fold 21 at the outer end B is, according to what is specified above, 5-20 mm more inward with respect to the crease 22 of the end A.
  • Fig. 2 presents a liquid-tight packaging box when it has been erected.
  • the vertical surface 3 of a short side of the packaging box is formed to be deflecting at a slope into the box, becoming essentially conical, by means of the inclined conical fold 21 between the folding surface 2 of the long sides of the box and the second corner bellows 7.
  • the structure is more durable when stacking boxes one on top of another.
  • the cone structure being connected to the liquid-tight corner structure helps to keep the ends more tightly together after erection compared to the structure in a right-angle, because the conicity tightens structure so that it is taut.
  • the hook locks 9 that are on a horizontal plane with regard to the base surface 1 are also essential to the invention. That being the case, the packaging box blank comprises second folding surfaces 19 of the long sides and horizontal hook locks 9 functioning as a locking means formed on the outer edges of said surfaces and a double crease 16 of a short side as well as locking slots 11.
  • a liquid-tight packaging box according to the invention can, if necessary, be implemented without hook locks 9, but by far the best end result is achieved with a combination of a conical fold 21 and hook locks 9.
  • the invention there are second folding surfaces 19 of the long sides, these folding surfaces having hook locks 9 on the horizontal plane that come between the double crease 16 of the end and lock into the locking slots 11. The locking is ensured when the hook locks come through the locking slots 11 to outside the box. They ensure that the structure holds together under stress.
  • hook locks 9 in the horizontal direction of the packaging box keep the slope of the vertical surface 3 of the short side locked at the angle set by the conical fold 21 when locking the short side into the locking slots 11.
  • friction tongues functioning as brake shoes 12 of the corners ensure that the structure does not open into the inside of the box; they lock the double-folded shoulder 10 between the sides 4 and 5. In this way the liquid-tight packaging box locks finally when the crease 17 between the end sides 3 and 4 is folded and the tongues 13 are pushed into the slot 23 formed by the cuts.
  • the tongues also allow the shaping of them into protrusions e.g. for making the carrying and handling of the box easier.
  • the cut-to-shape sides 8 of the long sides are also essential to the invention, the cut-to-shape sides stiffening the structure of the long side already in the filling stage of the box and nevertheless allowing easy filling of the box.
  • a shaped tongue 15 is formed on the double-folded shoulder 10, the tongue allowing e.g. the fastening of a separate layer and the keeping of that layer in position on the packaging box.
  • Figs. 1-5 when fully erected the vertical surfaces 3 of the short sides together with the conical folds 21 form an inward conical structure.
  • the conical structure of the vertical surfaces 3 is manifestly more durable than a structure at a right angle representing the state of the art.
  • the conicity according to the invention tightens the structure so that it is taut, then the cone structure being connected to the liquid-tight corner structure keeps the ends more tightly together after erection. The best result is achieved when the locking is ensured by means of hook locks 9 on a horizontal plane with respect to the plane of the base surface 1 locking into the locking slots 11.

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  • Mechanical Engineering (AREA)
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Claims (5)

  1. Boîte d'emballage étanche et imperméable formée à partir d'une ébauche monobloc, ladite ébauche comprenant :
    - une surface de base (1) formant un plan horizontal et des premières surfaces de pliage (2) pour former les côtés longs de la boîte,
    un pli (20) entre la surface de base (1) et chaque première surface de pliage (2) de surfaces verticales (3) pour former les côtés courts de la boîte, une pliure (22) entre la surface de base (1) et chaque surface verticale (3), un premier soufflet d'angle (6) et un deuxième soufflet d'angle (7) d'une structure d'angle, et un pli incliné (18) entre les premier et deuxième soufflets d'angle ;
    - un pli conique (21) entre les surfaces de pliage (2) des côtés longs de la boîte et le deuxième soufflet d'angle (7) de telle manière que la ligne de pliage est inclinée par rapport au pli (22) entre la surface de base (1) et la surface verticale (3) ;
    - des deuxièmes surfaces de pliage (19) reliées aux premières surfaces de pliage (2) par l'intermédiaire de deuxièmes lignes de pliage, et s'étendant adjacentes à et
    parallèlement auxdites premières surfaces de pliage (2), et des verrous à crochet horizontaux (9) fonctionnant comme des moyens de verrouillage formés sur les bords d'extrémité externes desdites deuxièmes surfaces de pliage (19) ;
    - un plan d'empilement (4) relié à chacune des surfaces verticales (3) par l'intermédiaire d'un pli (17) ;
    - un côté inférieur (5) de chaque dit plan d'empilement (4) relié audit plan d'empilement (4) par l'intermédiaire d'un double pli (16) ;
    et des fentes de verrouillage (11) agencées pour recevoir lesdits verrous à crochet (9) dans une position de verrouillage au niveau de ladite face inférieure (5) du plan d'empilement (4),
    dans lequel ladite boîte d'emballage est formée par pliage de la surface verticale (3) dans une disposition verticale à partir de la pliure (22) entre la surface verticale (3) et la surface de base (1). Le pliage dudit plan d'empilement (4) dans une configuration horizontale, avec ledit côté inférieur (5) plié le long du double pli (16) sous le plan d'empilement (4), et une structure d'angle imperméable est formée par pliage du premier soufflet d'angle (6) et du deuxième soufflet d'angle (7) ensemble à partir du pli incliné (18), et la surface verticale (3) d'un côté court de la boîte d'emballage est formée pour être déviée selon une pente dans la boîte, devenant essentiellement conique, au moyen du pli conique incliné (21) entre la surface de pliage (2) des côtés longs de la boîte et le deuxième soufflet d'angle (7), caractérisée en ce que la disposition desdits verrous à crochet horizontaux (9) formés sur lesdites deuxièmes surfaces de pliage (19) pour venir entre le double pli (16) et se verrouiller horizontalement dans les fentes de verrouillage (11) d'un côté court de la boîte au niveau dudit côté inférieur (5) du plan d'empilement (4).
  2. Boîte d'emballage imperméable selon la revendication 1, caractérisée en ce que les verrous à crochet horizontaux (9) de la boîte d'emballage maintiennent la pente de la surface verticale (3) d'un côté court verrouillé selon l'angle défini par le pli conique (21) lors du verrouillage du côté court dans les fentes de verrouillage (11).
  3. Boîte d'emballage imperméable selon l'une quelconque des revendications précédentes, caractérisée en ce que des languettes de friction servant de patins de freinage (12) sont formées sur les bords extérieurs du premier soufflet d'angle (6) et du deuxième soufflet d'angle (7) de la structure d'angle de la boîte d'emballage, l'homologue de ces languettes de friction est l'épaulement à double pli (10) du plan d'empilement (4) d'un côté court et du côté inférieur (5) du plan d'empilement.
  4. Boîte d'emballage imperméable selon l'une quelconque des revendications précédentes, caractérisée en ce que le côté le plus extérieur des surfaces de pliage (19) des côtés longs de la boîte d'emballage est découpé, de préférence en un côté de forme découpée incurvé (8) rigidifiant la structure du côté long.
  5. Boîte d'emballage imperméable selon l'une quelconque des revendications précédentes, caractérisée en ce que l'angle (X) entre le pli conique (21) et le pli incliné (18) est dans la plage de 45 à 50°, de préférence 47°, et en ce que l'angle (Y) entre le pli conique (21) et le pli vertical (24) de la surface verticale (3) est dans la plage 90-100°, de préférence 94°.
EP16850435.5A 2015-10-02 2016-09-23 Boîte d'emballage étanche aux fuites et aux liquides Active EP3356240B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FIU20154177U FI11489U1 (fi) 2015-10-02 2015-10-02 Vuoto- ja nestetiivis pakkauslaatikko
PCT/FI2016/050662 WO2017055680A1 (fr) 2015-10-02 2016-09-23 Boîte d'emballage étanche aux fuites et aux liquides

Publications (4)

Publication Number Publication Date
EP3356240A1 EP3356240A1 (fr) 2018-08-08
EP3356240A4 EP3356240A4 (fr) 2019-03-20
EP3356240B1 true EP3356240B1 (fr) 2023-07-26
EP3356240C0 EP3356240C0 (fr) 2023-07-26

Family

ID=58422716

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16850435.5A Active EP3356240B1 (fr) 2015-10-02 2016-09-23 Boîte d'emballage étanche aux fuites et aux liquides

Country Status (6)

Country Link
EP (1) EP3356240B1 (fr)
JP (1) JP3218023U (fr)
CN (1) CN207060630U (fr)
FI (1) FI11489U1 (fr)
RU (2) RU188853U1 (fr)
WO (1) WO2017055680A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7087852B2 (ja) * 2018-09-06 2022-06-21 王子ホールディングス株式会社 包材
JP7301647B2 (ja) * 2019-07-11 2023-07-03 日本製紙株式会社 箱
SE543684C2 (en) * 2019-10-22 2021-06-01 Stora Enso Oyj A blank and a package
SE545061C2 (en) * 2021-07-14 2023-03-14 Stora Enso Oyj A blank for foming a package and a package formed from such a blank

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FR76284E (fr) * 1956-08-16 1961-09-29 Cartiere Di Verona S P A Perfectionnements aux boîtes et contenants en carton ou autres matières en feuilles
US3810574A (en) * 1972-10-16 1974-05-14 Container Corp Self-locking tray
SE391906B (sv) * 1974-09-16 1977-03-07 Ziristor Ab Staplingsbar behallare av vikbart material
IT1229016B (it) * 1989-04-14 1991-07-12 Cartotecnica Poligrafica A & G Contenitore di materiale cartaceo o simile, particolarmente per prodotti da forno.
JP2002114217A (ja) * 2000-10-12 2002-04-16 Rengo Co Ltd 厚紙製トレー
AU2002239657A1 (en) * 2000-12-22 2002-07-08 Meadwestvaco Packaging Systems, Llc Carton and carton blank
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JP3218023U (ja) 2018-09-20
EP3356240A1 (fr) 2018-08-08
WO2017055680A1 (fr) 2017-04-06
RU188839U1 (ru) 2019-04-24
EP3356240A4 (fr) 2019-03-20
FI11489U1 (fi) 2017-01-04
CN207060630U (zh) 2018-03-02
RU188853U1 (ru) 2019-04-25
EP3356240C0 (fr) 2023-07-26

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