EP2276673A1 - Emballage thermoscellé et découpe d'emballage pour former ce dernier - Google Patents

Emballage thermoscellé et découpe d'emballage pour former ce dernier

Info

Publication number
EP2276673A1
EP2276673A1 EP09731500A EP09731500A EP2276673A1 EP 2276673 A1 EP2276673 A1 EP 2276673A1 EP 09731500 A EP09731500 A EP 09731500A EP 09731500 A EP09731500 A EP 09731500A EP 2276673 A1 EP2276673 A1 EP 2276673A1
Authority
EP
European Patent Office
Prior art keywords
package
blank
set forth
ridge
packaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09731500A
Other languages
German (de)
English (en)
Other versions
EP2276673A4 (fr
EP2276673B1 (fr
Inventor
Jari RÄSÄNEN
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.)
Stora Enso Oyj
Original Assignee
Stora Enso Oyj
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 Stora Enso Oyj filed Critical Stora Enso Oyj
Publication of EP2276673A1 publication Critical patent/EP2276673A1/fr
Publication of EP2276673A4 publication Critical patent/EP2276673A4/fr
Application granted granted Critical
Publication of EP2276673B1 publication Critical patent/EP2276673B1/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
    • 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
    • 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
    • B65D5/20—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
    • 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
    • B65D5/36—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
    • 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
    • B65D5/40—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 specially constructed to contain liquids
    • 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
    • B65D75/40—Packages formed by enclosing successive articles, or increments of material, in webs, e.g. folded or tubular webs, or by subdividing tubes filled with liquid, semi-liquid, or plastic materials
    • B65D75/44—Individual packages cut from webs or tubes
    • B65D75/48—Individual packages cut from webs or tubes containing liquids, semiliquids, or pastes, e.g. cushion-shaped packages
    • B65D75/50—Tetrahedral packages

Definitions

  • the invention relates to a heat-sealed package made from a polymer-coated fiber- based material, such as paper or paperboard, which comprises a bottom, side and end walls, as well as a top, and which has been formed by folding from a packaging blank provided with corresponding segments.
  • a packaging blank intended for forming such a package.
  • Packaging blanks are supplied to a packaging machine in a continuous web, which the machine first bends and seals for a tube into which the packaged product is introduced, and then chops the filled-up tube for individual packages while closing the packages at same time by sealing the same at the bottom and top.
  • the edges of a blank become overlapped, and at the package ends, the segments of a blank corresponding thereto become folded for a flat bottom as well as for a flat top of the parallelogram-shaped package or for a ridge top of the gable top package, depending on the shapes, fold lines, and dimensioning of a blank.
  • the closed package develops three sealing lines, on a ver- tical side of the package and at each end of the package.
  • Such packages and the packaging technology required thereby lend themselves well to factory-scale packaging with a packaging machine. On the other hand, they are not suitable for small-scale packaging in which the packed product consists not of a running liquid but of a solid matter, possibly sizable solid pieces, and in which, as opposed to liquid containers, the package is not filled to the brim.
  • US Patent publication 5,314,112 discloses a parallelogram-shaped portfolio folded from a blank of paperboard, which is intended for storing sheets of paper or documents.
  • the portfolio is of such a construction that its permanent assembled condition does not require sealing or other such fasteners.
  • the blank sheet, from which the portfolio is foldable, is rectangular in shape and thereby considerably simpler in terms of its shape and fold lines than those required by sealed liquid containers as described above.
  • WO 99/16675 discloses a cube-shaped carton box, which is foldable simply from a quadratic blank, wherein fold lines define a diagonal cross which constitutes a bottom and a vertical side for the box, and the blank's triangular corners are foldable for a top of the box.
  • the cube-shaped box has not been sealed and its purpose is indeed to open and spread out for use e.g. as a game board.
  • the box and blank design is such that closing the box by heat sealing would not even be possible.
  • a heat-sealed package of the invention is characterized in that the package has been closed by sealing together the packaging blank's abutted edge flaps in such a way that the latter make up a ridge co- directional with the side walls of the package and protruding from the package top, the ridge constituting the only sealing line to hold the package together.
  • the package is a bundle gathered up around its edges, the integrity of which is up to the heat sealing of a polymer coating present at the edges. If the packaging material is polymer-coated on both sides, all materi- al layers of the sealing line shall bond to each other over the entire surface area thereof the same way as in a laminate. If, in addition, the blank is rectangular in shape, its edges shall extend all the way to the package ridge constituted by a sealing line, whereby the package is closed in a liquid and gas tight manner by the sealing.
  • the number of sealing lines needed for a package being just one, the package lends itself to a post-filling closing procedure by means of a simple heat sealer established by heatable jaws pressing against each other.
  • the closed package is openable by tearing the sealing line open, starting from either end of the package. If the sealing joint is opened only partially, the package forms a draining aperture the way of a pouring spout, whereby the package contents need not be drained out at one time. If the packaging material comprises thin polymer-coated paper, its opening is also implementable by tearing off partially or completely the package ridge formed by the joint. If the sealing joint is torn open all the way, the package spreads open and exposes its contents all at once. This is particularly handy in the case of lunch packages containing e.g. sandwiches or similar snacks.
  • Sealed product packages according to the invention are suitable for industrial fabrication, but a particularly beneficial application for the invention can be found in stores, kiosks and the like sales and distribution outlets, in which the packages can be filled and closed in small production batches or even one at a time, ac- cording to customers' orders.
  • Notable products to be packed according to the invention include snacks and traveling lunches, whereby a single package can be adapted to contain even several different products or ingredients, including cutlery, disposable dishes, and small pouches of condiments and flavors.
  • the package contents may also consist of a single dry product, to mention for example coffee, tea, spices, candy, cereal, popcorn, etc.
  • the blanks comprising basically corresponding segments and fold lines can be used for forming a parallelogram-shaped package or ridge-topped gable top package, wherein the top consists of sloping side panels interconnected by a sealed top ridge.
  • a particularly preferred embodiment for a package of the invention comprises a gable top package, having its bottom provided with a longitudinal fold line co-directional with the package side walls and the package having its gables provided with vertical and inclined fold lines to make the package collapsible at its gables. This makes it possible for the packag- ing blank to be folded consistently with the package and then flattened to enable stacking the blanks in such a flattened condition.
  • Such pre-folded blanks resemble bags, making the filling and closing thereof particularly convenient at a sales or distribution outlet.
  • a further benefit is that, as its draining progresses, the package collapses to a more flattened condition to claim less space, and a half-empty package is easy to carry along, for example in a pocket.
  • the package according to the invention can be folded and sealed from a rectangu- lar packaging blank.
  • Such blanks can be supplied to a store or a distribution outlet where the packages are fabricated, preferably in the form of a rolled-up continuous web.
  • the lines between successive blanks must be provided with perfora- tions or other such weaknesses for easy separation of the blanks.
  • the web of blanks can also be pleated for a zigzag-shaped stack or the blanks may come in separate stacked sheets.
  • the rectangular packaging blank is that, in the process of folding a blank for a package, the blank's edge turns up over its entire length to extend along the sealing-line forming ridge of the package. Since the packaging material has a polymer coating on both sides thereof, the blank's edges become sealed to each other in full extent for a leakproof joint.
  • the resulting liquid and aroma tight package is particularly suitable for dry, powdered products, such as coffee, tea or condiments, which may be subjected to a prolonged storage before the package is opened.
  • the edges of an otherwise rectangular blank be truncated, i.e. the outermost edge flap only extends around the blank over part of its circumference.
  • the sealing line may only be provided with two overlying packaging material layers sealable together, whereby it is also possible that the material be polymer-coated on just one side.
  • This type of package is difficult to make totally leakproof at its gables, but the closure is still sufficient e.g. for snack and lunch packages with contents intended for immediate consumption.
  • a packaging blank of the invention which is made of a polymer-coated fiber-based material, such as paper or paperboard, and which is provided with segments corresponding to a bottom, side and gable walls, as well as a top of the package and separated from each other by fold lines, as well as with flaps abutting each other in the process of folding the blank and being sealable to each other for closing the package, is characterized in that the blank has the edge flaps which in an abutted condition make up a ridge, which protrudes from the package top and which constitutes the only sealing line holding the package together.
  • Fig. 1 shows one rectangular-shaped packaging blank of theHnvention along with its fold lines and segments defined thereby
  • fig. 2 shows a gable top type package formed from the blank of fig. 1 by folding and sealing
  • fig. 3 shows a gable for the package of fig. 2
  • fig. 4 shows, the same way as fig. 3, a gable for a parallelogram-shaped package of the invention
  • fig. 5 shows a rectangular-shaped packaging blank according to a second embodiment of the invention
  • fig. 6 shows a collapsible package formed from the blank of fig. 5
  • fig. 7 shows a gable for the package of fig. 6
  • fig. 8 shows a substantially rectangular-shaped packaging blank according to a third embodiment of the invention, having its sealable edge flap truncated
  • fig. 9 shows a packaging blank according to a fourth embodiment of the invention, which is a variation from the blank of fig. 8.
  • the gable top type package 1 visualized in figs. 2 and 3 comprises a horizontal bottom 2, vertical side walls 3 and end walls 4, gable triangles 5, a top consisting of two sloping side panels 6, as well as a protruding ridge 7 at an apex formed by the side panels 6.
  • the package's bottom 2 side walls 3, upright end walls 4, and the top's side panels 6 are rectangular in shape, and the gable triangles 5 consist of inward-folded triangular segments defined by fold lines 8.
  • the package 1 consists of a bilaterally extrusion-coated packaging material, the coating of which comprises a heat-sealable polymer, such as e.g. polyethylene.
  • the package is closed in a water and air tight manner by sealing together the layers of packaging paper which make up the ridge 7.
  • the packaging blank 9 visualized in fig. 1 from which the package 1 of figs. 2 and 3 is foldable and heat-sealable, consists of a rectangular-shaped sheet of packaging paper.
  • the blank 9 comprises segments 2a-7a, corresponding to the package parts 2-7 and defined by the fold lines 8.
  • the edge flap 7a extending around the blank 9, has its segments pleating on top of each other in the folding process and bonding to each other in the heat-sealing process the same way as in a laminate, resulting in the protruding ridge 7 holding the package together.
  • Segments 10a present in the blank's 9 corners, are pleated inside the package in the process of folding the package 1.
  • the package's 1 dimensions i.e. its width, height, the steepness of its top 6, and the protrusion of its ridge 7, can be varied by modifying the measurements of the blank's 9 various segments 2a-7a.
  • the package turns out in the shape of a parallelogram as depicted in fig. 4.
  • Figs. 5-7 illustrate, as in figs. 1-3 respectively, a second embodiment of the invention, which only differs from that shown in figs. 1-3 in the sense that the package has its bottom 2 provided with a longitudinal fold line 8' co-directional with the side walls 3, and the package has its end walls 4 provided with inclined fold lines 8" and upright fold lines 8'".
  • the empty package is compressible to complete flat- ness and enables stacking in this condition.
  • the packaging blanks 9 shown in figs. 8 and 9 are modifications of that shown in fig. 1 , having the edges thereof narrowed by removing parts of the blank-circling edge flap 7a of fig. 1. This is a way of reducing the number of packaging paper layers sealable to each other and pleating in abutment with each other along the package ridge 7.
  • the edge flap 7a is only retained alongside the segments 6a making up the top's side panels, such that the package has its ridge 7 only consisting of two layers of packaging paper sealable to each other.
  • a partial removal of the edge flap 7a may weaken the tightness of a closed package but, on the other hand, the package is sealable more conveniently and with a lesser amount of heat needed for the softening or melting of polymer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)

Abstract

L’invention concerne un emballage thermoscellé (1) en matériau à base de fibre revêtu de polymère, comme du papier ou du carton, ainsi qu’une découpe d’emballage destinée à la fabrication de l’emballage. L’emballage comprend un fond (2), des parois latérales et d’extrémité (3, 4, 5), ainsi qu’une partie supérieure (6), et est formé en repliant une découpe d’emballage dotée des segments correspondants. Selon l’invention, l’emballage est fermé en scellant ensemble les pattes des bords en butée de la découpe, de telle sorte que ces dernières constituent une crête (7) co-directionnelle avec les parois latérales de l’emballage et faisant saillie depuis la partie supérieure de l’emballage, la crête constituant la seule ligne d’étanchéité pour maintenir l’emballage. Les parois amont et le fond de l’emballage peuvent être dotés de lignes de pliure pour que l’emballage puisse être plié au niveau des parois amont et compressé à plat, une fois vide. L’emballage est adapté à une utilisation, par exemple, comme emballage de confiseries, d’encas ou de déjeuner, et peut être rempli et fermé sur les points de vente.
EP09731500.6A 2008-04-14 2009-04-14 Emballage thermoscelle et decoupe d'emballage pour former ce dernier Active EP2276673B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20085310A FI20085310L (fi) 2008-04-14 2008-04-14 Kuumasaumaamalla suljettu pakkaus sekä sen muodostamiseen tarkoitettu pakkausaihio
PCT/FI2009/050274 WO2009127783A1 (fr) 2008-04-14 2009-04-14 Emballage thermoscellé et découpe d’emballage pour former ce dernier

Publications (3)

Publication Number Publication Date
EP2276673A1 true EP2276673A1 (fr) 2011-01-26
EP2276673A4 EP2276673A4 (fr) 2012-08-15
EP2276673B1 EP2276673B1 (fr) 2014-01-08

Family

ID=39385938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09731500.6A Active EP2276673B1 (fr) 2008-04-14 2009-04-14 Emballage thermoscelle et decoupe d'emballage pour former ce dernier

Country Status (4)

Country Link
EP (1) EP2276673B1 (fr)
ES (1) ES2456867T3 (fr)
FI (1) FI20085310L (fr)
WO (1) WO2009127783A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2490664A (en) * 2011-05-05 2012-11-14 Silverflint Ltd Mail Ready Package for Compressed Garment

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2011680C2 (nl) * 2013-10-28 2015-04-29 P M H Drummen Beheer B V Plano, uit een dergelijk plano gevouwen houder en werkwijze voor het uit een plano vouwen van een houder.
FR3014853B1 (fr) 2013-12-12 2016-01-01 Finega Flan et etui hermetique et refermable pour le conditionnement de denrees alimentaires
IT201600076961A1 (it) * 2016-07-22 2018-01-22 Allpack Srl Contenitore in cartone.
CN106927119B (zh) * 2017-03-31 2018-05-18 浙江华人数码印刷有限公司 一种多功能酒类包装盒
IT201800003086A1 (it) * 2018-02-27 2019-08-27 Gd Spa Contenitore per prodotti alimentari versabili
FR3113039A1 (fr) 2020-07-30 2022-02-04 The Procter & Gamble Company Matériau de conditionnement d’article absorbant recyclable

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB504528A (en) * 1938-07-22 1939-04-26 Schleipen & Erkens Ag & Co Improvements in and relating to cartons and like containers
US20020192405A1 (en) * 2001-06-14 2002-12-19 Tetra Laval Holdings & Finance, S.A. Low scalping laminate for packaging material
WO2003070620A2 (fr) * 2002-02-22 2003-08-28 Jung-Min Lee Conteneur de type godet pour substances liquides

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1833727A1 (fr) * 2004-10-28 2007-09-19 Graphic Packaging International, Inc. Carton a formations de fermeture multiples

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB504528A (en) * 1938-07-22 1939-04-26 Schleipen & Erkens Ag & Co Improvements in and relating to cartons and like containers
US20020192405A1 (en) * 2001-06-14 2002-12-19 Tetra Laval Holdings & Finance, S.A. Low scalping laminate for packaging material
WO2003070620A2 (fr) * 2002-02-22 2003-08-28 Jung-Min Lee Conteneur de type godet pour substances liquides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009127783A1 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2490664A (en) * 2011-05-05 2012-11-14 Silverflint Ltd Mail Ready Package for Compressed Garment
GB2521786A (en) * 2011-05-05 2015-07-01 Silverflint Ltd Packaging of garments and other items
GB2521786B (en) * 2011-05-05 2016-04-06 Silverflint Ltd Packaging of garments and other items
US9527659B2 (en) 2011-05-05 2016-12-27 Silverflint Limited Mailable packaging of compressed garments and other items

Also Published As

Publication number Publication date
FI20085310L (fi) 2009-10-15
EP2276673A4 (fr) 2012-08-15
FI20085310A0 (fi) 2008-04-14
EP2276673B1 (fr) 2014-01-08
ES2456867T3 (es) 2014-04-23
WO2009127783A1 (fr) 2009-10-22

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