EP2024244A1 - Sachet d'emballage - Google Patents

Sachet d'emballage

Info

Publication number
EP2024244A1
EP2024244A1 EP07724970A EP07724970A EP2024244A1 EP 2024244 A1 EP2024244 A1 EP 2024244A1 EP 07724970 A EP07724970 A EP 07724970A EP 07724970 A EP07724970 A EP 07724970A EP 2024244 A1 EP2024244 A1 EP 2024244A1
Authority
EP
European Patent Office
Prior art keywords
bag
packaging bag
side walls
packaging
base
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.)
Withdrawn
Application number
EP07724970A
Other languages
German (de)
English (en)
Inventor
Daniel Bossel
Peter Kancsar
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.)
3A Composites International AG
Original Assignee
Alcan Technology and Management Ltd
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 Alcan Technology and Management Ltd filed Critical Alcan Technology and Management Ltd
Priority to EP07724970A priority Critical patent/EP2024244A1/fr
Publication of EP2024244A1 publication Critical patent/EP2024244A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/008—Standing pouches, i.e. "Standbeutel"
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
    • 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
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves

Definitions

  • the invention relates to a packaging bag made of a flexible foil-like first material, with a standing surface formed as a substantially rectangular bottom with longitudinal and transverse edges.
  • rigid or rigid plastic containers usually made by 3D thermoforming or injection molding with a sealed lid and rigid plastic bags made of plastic laminate are known.
  • Such packaging containers and bags are not ecologically harmless because of their increased to achieve the stability material requirements and also relatively expensive.
  • Cup containers with a sealed lid have the disadvantage that they are bulky and easily vulnerable.
  • the invention has for its object to provide a package for both dry products such. As nuts or chips, as well as for products with liquid and solid fractions or semi-solid products such. B. in the microwave oven-heated ready meals to provide, which does not have the disadvantages of the prior art packaging described above, or to a lesser extent.
  • the bottom consists of a second material which imparts dimensional stability to the bag in a ground-level region, one in the middle between the two longitudinal or transverse edges and parallel to these extending, the floor in two mutually foldable floor parts dividing bottom fold line, and the longitudinal or transverse edges sofaltlinien between the bottom and arranged on two opposite sides of the floor, form substantially rectangular side walls, one from the ground and the two side walls formed folding part is glued to the bag.
  • An essential advantage of the packaging bag according to the invention lies, on the one hand, in the flat pouch shape of the first position, which is excellently suited for transport, and on the other hand in the open state in the dimensionally stable shell shape of the second position which is ideal as a serving or menu shell.
  • the folding part constructed from the base and the two side walls has a substantially V-shaped configuration in a first position relative to a sectional plane imaginary perpendicular to the folding lines.
  • the two floor parts In a second position, the two floor parts form a substantially flat floor as a standing surface and the two side walls protrude from the ground.
  • the folding part constructed from the bottom and the two side walls can be moved from the first position into the second position by pressure on the folding edge connecting the two bottom parts to form the essentially flat bottom.
  • the side fold lines are outwardly curved relative to the bottom fold line, so that the folding part constructed from the bottom and the two side walls assumes a stable shape in the second position.
  • the bottom-distal end of the bag is preferably separable along a tear line lying substantially parallel to the base of the bag.
  • the packaging bag itself can be a stand-up bag without its own stability, a tubular bag or an extruded bag.
  • the bag material for the packaging bag according to the invention can have a smaller thickness in comparison to the stiff material required for a stand-up bag with its own stability and is consequently inexpensive.
  • the bag material of the packaging bag according to the invention is preferably a single-layer or multi-layered film of plastic, which is optionally laminated with a paper layer or with an aluminum foil, or a paper impregnated with plastic.
  • the material for the folding part and the reinforcing part may be made of any inexpensive material.
  • a preferred material is cardboard or a transparent or opaque plastic.
  • the packaging bag is particularly suitable for packaging food, in particular spoonable filling goods. Another preferred application is in the packaging of products intended for heating in a microwave oven.
  • the heating of food can be done in the inventive packaging bag in the open state directly in a microwave oven.
  • the advantage of the packaging bag according to the invention lies in the heat-insulating design of the bottom region of the bag through the folding part, which allows it to be grasped with the bare hand. Certain foods can be heated in the open bag, for example, in a water bath. In ready meals, the opened bag can serve directly as a menu tray.
  • FIG. 1 is an oblique view of a packaging bag in a first
  • FIG. 2 shows an oblique view of the opened packaging bag of FIG. 1 in a second position
  • FIG. 3 shows a plan view of a folding part constructed from bottom and side walls with curved side fold lines
  • FIG. 4 shows the side view of the folding part of FIG. 3 after the side walls have been folded up in the second position;
  • FIG. FIG. 5 is a plan view of the folding part of FIG. 4;
  • FIG. 6 shows the side view of the folded part of FIG. 4 rotated by 90 °
  • FIG. 7 shows a front view of the opening part of a packaging bag with a first variant of a reclosable opening
  • FIG. 8 shows a section through the bag of FIG. 7 along the line I-I;
  • FIG. 9 shows a front view of the opening part of a packaging bag with a second variant of a reclosable opening;
  • FIG. 8 shows a section through the bag of FIG. 7 along the line I-I;
  • FIG. 9 shows a front view of the opening part of a packaging bag with a second variant of a reclosable opening;
  • FIG. 9 shows a front view of the opening part of a packaging bag with a second variant of a reclosable opening;
  • FIG. 10 shows a section through the bag of FIG. 9 along the line INI.
  • FIG. 1 packaging bag 10 in the form of a flexible sheet material such.
  • existing bag has a sealed bag bottom 12, a front wall 14 and a
  • Front wall 14 and rear wall 16 are connected in a known manner via lateral longitudinal sealing seams 18, 19 and, together with a transverse seam 20 arranged at the bottom end of the bag 10, lead to the closed packaging bag 10.
  • the transverse sealing seam 20 at the bottom-distal end of the packaging bag 10 is part of a bag part 24 which can be separated from the bag and is overlapped by a V-shaped reinforcing part 22.
  • the reinforcing member 22 is provided with a continuous slot 26 for suspending the bag 10.
  • the separable bag part 24 is moved along one in the bag walls 14, 16 parallel and at a short distance to the transverse seam 20 arranged tearing line 28 torn away along with the reinforcing member 22.
  • the bag bottom 12 reinforcing folding member 30 of a substantially dimensionally stable material, such.
  • a substantially dimensionally stable material such as cardboard, plastic, another suitable material or a laminate of the aforementioned and optionally other materials.
  • the folding part 30 may be arranged on the bag bottom 12 in the interior of the bag or enclose the bag bottom 12 from the outside.
  • the folding part 30 consists of a rectangular bottom 32 with longitudinal edges 34, 35 and transverse edges 36, 37. A in the middle between the two longitudinal edges 34, 35 and parallel to these extending bottom fold line a divides the bottom 32 into two mutually foldable bottom parts 38, 40th The longitudinal edges 34, 35 of the bottom 32 form side fold lines b, c between the bottom 32 and substantially rectangular side walls 42, 44 disposed on two opposite sides of the bottom 32.
  • the folding member 30 constructed of the bottom 32 and the two side walls 42, 44 may, as mentioned above, be arranged both inside the bag and on the outside thereof and is at least partially adhered to the bag inside and outside by gluing, sealing and attached to the same types of connection.
  • the attachment to the bag walls 14, 16 takes place for. B. partially over punctate adhesive or sealing sites.
  • the folding part 30 constructed from the base 32 and the two side walls 42, 44 has a substantially V-shaped configuration in a first position with respect to a sectional plane which is perpendicular to the folding lines a, b, c .
  • the two bottom parts 38, 40 form the substantially flat bottom 32 as Stand surface, and the two side walls 42, 44 project substantially perpendicularly from the ground.
  • the folding part 30 formed from the bottom 32 and the two side walls 42, 44 becomes the bottom folding edge or line a connecting the two bottom parts 38, 40 from the first position by pressure from the outside, forming the substantially flat bottom 32 placed in the second position.
  • the conversion of the folding in the first position V-shaped folding member 30 in the second position with a flat bottom 32 and from this towering side walls 42, 44 results automatically when setting the bag 10 in its upright position.
  • the bottom 32 serves as a base, so that the packaging bag 10 itself does not have to be made stable.
  • the packaging bag 10 can therefore also be a simple tubular bag with a longitudinal seam, or an extruded bag without a longitudinal seam, and two transverse seams.
  • the bag 10 after opening together with the specially designed folding part 30 forms a shell having a substantially rectangular bottom.
  • the shell formed may be u.a. as a serving bowl for e.g. Nuts or chips or a microwave oven suitable for use with e.g. Serve ready meals.
  • the side folding lines b, c are outwardly curved with respect to the bottom folding line a, so that the folding part 30 constructed of the bottom 32 and the two side walls 42, 44 is as shown in FIGS second position assumes a stable shape.
  • the side walls 42, 44 in the second position of the folding part 30 form convexly curved surfaces, and the bottom 32 spontaneously falls into a dimensionally stable, concavely curved end position shortly before reaching the second position.
  • FIGS. 7 to 10 show exemplary embodiments of packaging bags with resealable opening part.
  • the bag part with the transverse sealing seam 20 is torn away along a tear line 28 arranged in the bag walls 14, 16 in parallel and at a short distance from the transverse sealing seam 20.
  • tear scores 46 are provided with terminating at the tear line 28 tip.
  • corresponding parts of a zipper closure 48, 49 are arranged parallel to the transverse sealing seam 20 on the bag walls 14, 16. After the bag has been opened by tearing the bag part with the transverse sealing seam 20 along the tear line 28, the bag can be repeatedly opened and closed again by means of the zip fastener 48, 49.
  • the bag part with the transverse sealing seam 20 is torn away along a tear line 28 arranged parallel to and at a short distance from the transverse sealing seam 20 in the bag walls 14, 16.
  • a tear-open are provided in the longitudinal sealing seams 18, 19 tear scoring 46 with the tear line 28 ending tip.
  • a peelable and resealable closure strip 50 connecting the two bag walls 14, 16 via a pressure-sensitive adhesive is arranged.
  • the bag can be repeatedly opened and closed again by means of the closure strip 50.
  • the closure strip 50 is formed starting from the longitudinal sealing seams 18, 19 in an arrow-shaped rising manner against the transverse sealing seam 20. In this way, the force upon opening is at the center of the closure strip 50 concentrated and the separation of the closure strip 50 is carried out continuously from the center of the bag against the two longitudinal sealing edges 18, 19th
  • the opening and reclosing systems shown in the drawings are but a small selection of a variety of ways to re-close a bag.
  • the scope of protection of the packaging bag according to the invention is not limited to the exemplary embodiments shown in the drawing, but rather extends to packaging bags with any opening and possibly re-closing systems.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Package Specialized In Special Use (AREA)

Abstract

Sachet d'emballage fabriqué dans un premier matériau sous forme de feuille flexible, doté d'un fond (32) essentiellement rectangulaire conçu en tant que surface de pose avec des arêtes longitudinales et transversales (34, 35 ; 36, 37). Le fond (32) est composé d'un second matériau conférant au sachet (10) une certaine stabilité de forme dans une région proche du fond, présente une ligne de pliage (a) divisant le fond (32) en deux parties de fond (38, 40) repliables l'une contre l'autre, ladite ligne s'étendant au milieu entre les deux arêtes longitudinales (34, 35) et parallèlement à celles-ci, et les arêtes longitudinales (34, 35) forment des lignes de pliage latérales (b, c) entre le fond (32) et des parois latérales (42, 44) essentiellement rectangulaires situées des deux côtés opposés du fond (32), la partie de pliage (30) constituée du fond (32) et des deux parois latérales (42, 44) étant collée au sachet (10).
EP07724970A 2006-05-12 2007-05-08 Sachet d'emballage Withdrawn EP2024244A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07724970A EP2024244A1 (fr) 2006-05-12 2007-05-08 Sachet d'emballage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06405205A EP1854732A1 (fr) 2006-05-12 2006-05-12 Sachet d'emballage
PCT/EP2007/004046 WO2007131666A1 (fr) 2006-05-12 2007-05-08 Sachet d'emballage
EP07724970A EP2024244A1 (fr) 2006-05-12 2007-05-08 Sachet d'emballage

Publications (1)

Publication Number Publication Date
EP2024244A1 true EP2024244A1 (fr) 2009-02-18

Family

ID=36972769

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06405205A Withdrawn EP1854732A1 (fr) 2006-05-12 2006-05-12 Sachet d'emballage
EP07724970A Withdrawn EP2024244A1 (fr) 2006-05-12 2007-05-08 Sachet d'emballage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06405205A Withdrawn EP1854732A1 (fr) 2006-05-12 2006-05-12 Sachet d'emballage

Country Status (3)

Country Link
US (1) US20090214142A1 (fr)
EP (2) EP1854732A1 (fr)
WO (1) WO2007131666A1 (fr)

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US20090214142A1 (en) 2009-08-27
WO2007131666A1 (fr) 2007-11-22

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