EP0615919B1 - Conteneur refermable en feuille de matière plastique - Google Patents

Conteneur refermable en feuille de matière plastique Download PDF

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Publication number
EP0615919B1
EP0615919B1 EP94102948A EP94102948A EP0615919B1 EP 0615919 B1 EP0615919 B1 EP 0615919B1 EP 94102948 A EP94102948 A EP 94102948A EP 94102948 A EP94102948 A EP 94102948A EP 0615919 B1 EP0615919 B1 EP 0615919B1
Authority
EP
European Patent Office
Prior art keywords
wall
top wall
tab
pack according
plastic foil
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.)
Expired - Lifetime
Application number
EP94102948A
Other languages
German (de)
English (en)
Other versions
EP0615919A1 (fr
Inventor
Heinz Focke
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP0615919A1 publication Critical patent/EP0615919A1/fr
Application granted granted Critical
Publication of EP0615919B1 publication Critical patent/EP0615919B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/02—Wrappers or flexible covers
    • B65D65/10—Wrappers or flexible covers rectangular
    • B65D65/12—Wrappers or flexible covers rectangular formed with crease lines to facilitate folding
    • 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
    • B65D5/64—Lids
    • B65D5/66—Hinged lids
    • B65D5/6602—Hinged lids formed by folding one or more extensions hinged to the upper edge of a tubular 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall

Definitions

  • the invention relates to a reclosable packaging made of plastic film, in particular for holding paper handkerchiefs, with a front wall, a rear wall, and with foldable side tabs which can be folded for opening and closing, the side tabs being divided into tab parts by folding along predetermined fold lines.
  • Plastic films are one of the most commonly used packaging materials.
  • plastic films are used for rectangular soft packs, which serve to hold a stack of folded paper handkerchiefs (DE-U-91 09 814.9).
  • cigarette packs are also known which consist of a multilayer (laminated) plastic film.
  • a property of plastic films that is disadvantageous for packaging technology is that, due to the material-related restoring forces in plastic films, constant recurring fold lines formed by merely folding cannot be achieved.
  • these are particularly necessary in the case of packagings which have folding tabs, in particular closing tabs, for multiple opening and reclosing of the pack (DE-U-91 09 814.9). With such resealable film packaging, it is necessary that folding tabs are reliably and correctly folded along predetermined folding lines.
  • the invention is therefore based on the object of preparing or treating packaging material with permanent restoring forces, in particular plastic film, in such a way that fold lines are formed repeatedly without external intervention.
  • the packaging according to the invention is characterized in that strip-shaped areas of the flap parts lie against one another on both sides of the fold lines with the same side of the plastic film and are permanently connected to one another by thermal sealing or adhesive bonding.
  • the plastic film is therefore treated in the region of the fold line by permanent deformation in such a way that a stable fold line is formed which is not influenced by restoring forces.
  • strip-shaped regions of the film which run directly adjacent to the fold line are preferably connected to one another, specifically by thermal sealing, by adhesive bonding or in some other way.
  • a resulting sealing seam is stable for recurring folds, especially in connection with opening and reclosing the packaging.
  • the sealing seam or the folding line defined by this has certain restoring forces in the direction of the folding position. From DE-A-2 029 976 a carrier bag formed from a plastic film is known, which has cross-sections M-shaped side folds.
  • the inside of the film is provided with a reinforcement made of a glued-on paper strip.
  • This reinforcement is also foldable according to the side fold of the carrier bag. The return of the film to the folded position is not or not significantly improved by this reinforcement, since an active restoring force is not generated by the paper strip.
  • the film treated in the manner according to the invention is particularly suitable for reclosable, rectangular packaging in which an upper wall serves as a closing flap and is connected to narrow side walls of the pack by foldable side flaps.
  • an upper wall serves as a closing flap and is connected to narrow side walls of the pack by foldable side flaps.
  • the closing flap or the top wall is closed, the side flaps are precisely folded in between the top wall and the end face of the package.
  • a cuboid packaging 10 is shown in the drawings with front wall 11, rear wall 12, narrow side walls 13, 14 and end walls, ie bottom wall 15 and top wall 16.
  • the latter is integrally connected to the rear wall 12 and extends in the same plane as the latter when the packaging is opened according to FIG. 1.
  • a free end of the top wall 16 is designed as a tab 17. When the packaging is closed, this extends down to the front wall 11.
  • the top wall 16 is further connected to the side walls 13, 14, in particular via approximately triangular side tabs 18, 19. These run to the rear corner points 20, 21, in which the top wall 16, rear wall 12, side wall 13 and Butt top wall 16, rear wall 12, side wall 14.
  • the packaging consists of a plastic film. This is not necessarily provided with pre-made fold lines. Rather, the latter arise only through the use of the packaging and are specifically provided at certain points in individual cases.
  • the transitions between the individual walls 11. 16 or tabs 18, 19 are therefore not sharply defined and are only shown as (crease) lines in the figures.
  • the upright edge 22 between the front wall 11 and the side wall 13 is not an edge in the sense of a sharp bend, but rather a logical separation between the side wall and the front wall. The same applies to the other "edges" that can be seen in the figures, unless otherwise shown below.
  • FIG. 2 to 5 show the package 10 once in the open position, analogously to FIG. 1, and secondly in an intermediate closed position, in particular FIG. 4.
  • the upper wall 16 is angled slightly forwards from the plane of the rear wall 12 .
  • the tab 17 is further angled further, an enlarged illustration of this is shown in FIG. 6.
  • the side tabs are stretched.
  • the side flaps 18, 19 are folded inward via an intermediate folding position according to FIGS. 4 and 5 or 6 into a closed position in which the side flaps 18, 19 are folded below the top wall 16.
  • the tab 17 extends in the region of the front wall 11 and can be detachably connected to it, for example by an adhesive tape.
  • Fold lines 23, 24 are specified at the transition from the side flaps 18, 19 to the side walls 13, 14, likewise fold lines 25, 26 corresponding to the transition from the side flaps 18, 19 to the top wall 16.
  • Fold lines 27, 28 run in from the corner points 20, 21 Diagonal direction for dividing the side tabs 18, 19 into a tab part 29, 30 connected to the top wall 16 and a tab part 31, 32 connected to the side wall 13, 14.
  • the triangular-shaped side tabs 18, 19 here should have a precise folding pattern in the closed position even after the packaging has been opened and closed several times.
  • at least the fold lines 27 and 28 are designed in a special way, as shown in detail in FIG. 7.
  • the side flap parts overlap part 29 and flap part 31 or 30 and 32) are permanently connected to one another in the region of the fold line 27 or 28 to form a seam 33 of a defined width.
  • the packaging is preferably made of a thermoplastic material.
  • the seam 33 is then formed by applying pressure and heat as a sealed or embossed seam with a width of approximately 0.5 mm.
  • the packaging is closed by placing the top wall 16 or tab 17 against the front wall 11, the fold lines 27, 28 or the seam 33 automatically achieve a clean inward folding of the side flaps 18, 19. There are no disruptive protrusions to the outside and no unwanted additional ones Wrinkles.
  • the package 10 remains functionally and visually appealing in this area even after repeated opening and closing.
  • the seam 33 described can alternatively or additionally be provided in the region of the fold lines 23, 26, just as these themselves are alternatively or additionally arranged to the fold lines 27, 28.
  • a blank provided to form the packaging 10 is formed in one piece and is not shown here.
  • the tab 17 has a free edge 35 which is approximately circularly convexly curved.
  • a free edge 36 of the front wall 11 is concavely curved.
  • the edges 34, 35, 36 flow into one another in the manner of a sine line.
  • the resulting edge line (sine line) has no kinks or jumps.
  • the dimensionally stable fold line or embossed seam shown in FIG. 7 can also be produced by gluing the strip-shaped regions.
  • other shape-changing treatments of the film in the area of fold lines are also possible, for example local stretching of the films to create a strip-like material reduction in the area of the fold line.
  • the fold line described and shown in FIG. 7 can also be applied to other shapes and types of packaging where stabilized, reliably formed fold lines are required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)

Claims (6)

  1. Emballage refermable (10) constitué d'une feuille de matière plastique, en particulier pour recevoir des mouchoirs en papier, avec une paroi avant (11), une paroi arrière (12) et avec des languettes latérales (18, 19) pliables, susceptibles d'être pliées pour assurer l'ouverture et la fermeture, les languettes latérales (18, 19) étant subdivisées en parties de languettes (29, 31; 30, 32) au moyen d'un pliage conduit le long de lignes de pliage (27, 28) prédéterminées, caractérisé par le fait que des zones, en forme de bande, des parties de languettes (29, 31; 30, 32), se trouvant des deux côtés des lignes de pliage (27, 28), sont appliquées les unes sur les autres par la même face de la feuille en matière plastique et sont reliées ensemble de façon durable par un scellage thermique ou un collage.
  2. Emballage selon la revendication 1, caractérisé par le fait que, pour constituer la ligne de pliage (27, 28), des zones en forme de bande voisines de cette ligne de pliage, de la feuille de matière plastique, d'une largeur allant jusqu'à 1 mm, de préférence d'environ 0,5 mm, sont reliées ensemble.
  3. Emballage selon la revendication 1 ou 2, caractérisé par une configuration parallélépipédique avec des parois latérales (13, 14) étroites, une paroi supérieure (16) et une paroi fond (15), la paroi supérieure (16) se raccordant d'une seule pièce à la paroi arrière (12) et étant susceptible d'être rabattue en direction de la paroi avant (11) pour assurer la fermeture de l'emballage (10) et en outre la paroi supérieure (16) étant reliée à chacune des parois latérales (13, 14) par les languettes latérales (18, 19) pliables.
  4. Emballage selon la revendication 3, caractérisé par le fait que la ligne de pliage (27, 28) subdivise les languettes latérales (18, 19) en une partie de languette (29, 30) reliée à la paroi supérieure (16) et une partie de languette (31, 32) reliée à la paroi latérale (13, 14).
  5. Emballage selon la revendication 3 ou 4, caractérisé par le fait qu'une ligne de pliage (23) prédéterminée constitue en même temps la ligne de liaison entre la paroi latérale (13, 14) et les languettes latérales (18, 19).
  6. Emballage selon la revendication 3 ou 4, caractérisé par le fait qu'une ligne de pliage (25, 26) prédéterminée constitue en même temps la ligne de liaison entre la paroi supérieure (16) et les languettes latérales (18, 19).
EP94102948A 1993-03-16 1994-02-26 Conteneur refermable en feuille de matière plastique Expired - Lifetime EP0615919B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4308343 1993-03-16
DE4308343A DE4308343A1 (de) 1993-03-16 1993-03-16 Wiederverschließbare quaderförmige Verpackung aus Kunststoffolie

Publications (2)

Publication Number Publication Date
EP0615919A1 EP0615919A1 (fr) 1994-09-21
EP0615919B1 true EP0615919B1 (fr) 1996-11-27

Family

ID=6482943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94102948A Expired - Lifetime EP0615919B1 (fr) 1993-03-16 1994-02-26 Conteneur refermable en feuille de matière plastique

Country Status (7)

Country Link
US (1) US5439166A (fr)
EP (1) EP0615919B1 (fr)
JP (1) JP3143560B2 (fr)
AT (1) ATE145615T1 (fr)
BR (1) BR9401158A (fr)
DE (2) DE4308343A1 (fr)
ES (1) ES2094575T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0743264B1 (fr) * 1995-05-16 1998-07-15 The Procter & Gamble Company Flan enveloppant issu d'un film en papier ou en matière plastique pour un paquet souple parallélépipédique pour feuilles en cellulose
EP1074481A1 (fr) 1999-07-22 2001-02-07 The Procter & Gamble Company Sac muni d'une bande d'arrachage pour une ouverture facile
SE524519C8 (sv) * 2002-12-13 2004-11-10 Tetra Laval Holdings & Finance Förfarande och anordning för vikning av botten av en förpackning samt till en förpackning med en sålunda vikt botten
NL1023513C2 (nl) * 2003-05-23 2004-11-24 Asmopak B V Houder voor vochtige doekjes.
US9932149B2 (en) 2013-05-22 2018-04-03 The Procter & Gamble Company Package with integrally formed handle and method of making the same

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065710B (de) * 1958-09-05 1959-09-17 Papierwerk Paul Reuther GmbH, Neuwied/Rhein Klotzbodenbeutel mit verstärkungsleisten und nahtlosem boden
US3067040A (en) * 1959-08-17 1962-12-04 Schjeldahl Co G T Bread package
US3679048A (en) * 1970-04-01 1972-07-25 Masaaki Fujio Wrapper with tear tabs of heat-shrinking synthetic resin film
DE2029976A1 (en) * 1970-06-18 1971-12-23 Nord West Papierwerk Karl Götze, 5253 Lindlar Carrier bag of low pressure polyethylene - with paper strip stiffeners at sides and grip holes
FR2159659A5 (en) * 1971-11-08 1973-06-22 Huni Christian Plastic bags - with tape handle readily introduced using conventional bag mfg machinery
DE7539076U (de) * 1975-12-08 1976-04-08 Waldhof Aschaffenburg Papier Verpackungshuelle
DE2840409A1 (de) * 1978-09-16 1980-04-03 Ritter Kg Alfred Verpackung, insbesondere schlauchbeutelverpackung, fuer schokoladen- bzw. schokoladenwaren-riegel oder -stangen
JPS601230A (ja) * 1983-06-20 1985-01-07 Toyo Rubber Chem Ind Co Ltd 熱可塑性着色樹脂の製造方法
DE3324490C1 (de) * 1983-07-07 1984-11-22 Vereinigte Papierwerke Schickedanz & Co, 8500 Nürnberg Wiederverschliessbare Verpackung für Zellstofftücher sowie Folienbahn zur Herstellung dieser Verpackung
US4607786A (en) * 1985-03-18 1986-08-26 Waldorf Corporation Double insert lock carton and blank therefor
JPH0542021Y2 (fr) * 1988-09-07 1993-10-22
JPH02124816U (fr) * 1989-03-20 1990-10-15
DE3911779A1 (de) * 1989-04-11 1990-10-18 Focke & Co Folien-verpackung fuer papier-taschentuecher
DE3920065A1 (de) * 1989-04-20 1990-10-25 Focke & Co (folien-)verpackung fuer insbesondere papier-taschentuecher
JPH04112013U (ja) * 1991-03-20 1992-09-29 キユーピー株式会社 包装箱
DE9109814U1 (de) * 1991-08-08 1991-09-26 VP-Schickedanz AG, 8500 Nürnberg Wiederverschließbare Verpackung für Zellstoff-Tücher
DE9209040U1 (de) * 1992-07-06 1992-10-08 Simon, Norbert, 79189 Bad Krozingen Verpackung für Gegenstände

Also Published As

Publication number Publication date
BR9401158A (pt) 1994-11-08
JPH06315444A (ja) 1994-11-15
DE59401103D1 (de) 1997-01-09
DE4308343A1 (de) 1994-09-22
ES2094575T3 (es) 1997-01-16
JP3143560B2 (ja) 2001-03-07
EP0615919A1 (fr) 1994-09-21
US5439166A (en) 1995-08-08
ATE145615T1 (de) 1996-12-15

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