EP0718209B1 - Emballage en feuille - Google Patents

Emballage en feuille Download PDF

Info

Publication number
EP0718209B1
EP0718209B1 EP19950810719 EP95810719A EP0718209B1 EP 0718209 B1 EP0718209 B1 EP 0718209B1 EP 19950810719 EP19950810719 EP 19950810719 EP 95810719 A EP95810719 A EP 95810719A EP 0718209 B1 EP0718209 B1 EP 0718209B1
Authority
EP
European Patent Office
Prior art keywords
adhesive
folding
film
package according
weakness
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
EP19950810719
Other languages
German (de)
English (en)
Other versions
EP0718209A1 (fr
Inventor
Ernst-Paul Schwyn
Erwin Heller
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.)
Benhil-Gasti Verpackungsmaschinen benz & Hilg GmbH
Benhil Gasti Verpackungsmaschinen GmbH
Original Assignee
Schweizerische Industrie Gesellschaft
Benhil Gasti Verpackungsmaschinen 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 Schweizerische Industrie Gesellschaft, Benhil Gasti Verpackungsmaschinen GmbH filed Critical Schweizerische Industrie Gesellschaft
Publication of EP0718209A1 publication Critical patent/EP0718209A1/fr
Application granted granted Critical
Publication of EP0718209B1 publication Critical patent/EP0718209B1/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
    • 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
    • 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
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/14—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks folded-up around all sides of the contents from a portion on which the contents are placed
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B65D85/74—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for butter, margarine, or lard

Definitions

  • the invention relates to a package with a cut and folded cover made of a flexible film, that on a cuboid body made of a plastic Food with a sticky surface, especially butter or margarine immediately and at least two has adjacent folding surfaces.
  • Packagings of this type are particularly small packs known for butter and margarine in the prior art.
  • EP-A-0 123 356 shows EP-A-0 216 408 and DE-U-1 914 069 such packaging.
  • the Those skilled in the art are well aware that plastic foods and especially butter and margarine very difficult to are packaging foods. This especially if the packaging should be resealable and at the same time a guarantee closure is required.
  • For packaging is generally known, by a firm glue attached rag to ensure a guarantee closure. After tearing open the guarantee closure is then but such packaging is usually frayed and cannot be closed again satisfactorily.
  • DE-B-1 030 247 discloses packaging for chocolate bars.
  • the chocolate bars are each covered with a metal foil wrapped, which in turn, by a packaging envelope is enveloped.
  • a folded part of this packaging envelope has an adhesive surface through a perforation is limited. When opening the packaging envelope the adhesive surface is separated along the perforation.
  • the invention has for its object a generic To create packaging that can be closed again and guaranteed a guarantee closure and still is economically producible.
  • the packaging should especially as small packaging for butter or margarine own.
  • the task is in accordance with a generic packaging Claim 1 solved.
  • the packaging according to the invention can be inexpensive and environmentally friendly wrapping materials, for example Oriented polypropylene films after folding spring back, are used.
  • the production is economical, because existing machines are simpler Way can be retrofitted.
  • Well-known packaging machines with a folding bike can be used.
  • the packaging performance of such machines is determined by retrofitting is not reduced. It also has an advantage seen that the packaging itself as usual for Open can be unfolded.
  • Figure 1 shows a packaging arrangement with a film roll 1, from which a film strip 2, for example oriented polypropylene removable with rollers 7 and a packaging device 10 can be fed.
  • a film strip 2 Between the Roll 1 and the pair of rolls 7 is the film strip 2 by one Deflection roller 3 deflected such that between the roller 3 and the pair of rollers 7, the film strip 2 substantially horizontally runs and the inside 2a above and the outside 2b is below.
  • the running direction of the film strip 2 is indicated by arrow 6.
  • a knife 8 is arranged with which the film strip 2 to form sleeve sections is severable.
  • the packaging device 10 has, for example a known and not shown here Folding bike on.
  • the application device serves on the inside 2a of the film strip two opposite each shown in Figure 2 To form glue points 12.
  • glue points 12 will preferably by applying a hot melt educated.
  • the punching device 5 also in pairs 13 introduced into the film strip 2.
  • the die cuts 13 Areas 14 of the film strip 2, the dimensions about the glue points 12 are comparable.
  • Such Glue points 12 and die cuts 13 are in a row certain distance applied to the film strip 2.
  • Adhesive is preferably applied hot, for example at 80 ° C to 100 ° C.
  • the glue points 12 and die cuts 13 are comparatively close to an edge 2c of the film strip 2 arranged.
  • This distance D (Fig. 2) is preferably in the range of 2 to 15 mm.
  • Any tailored case comprises at least one glue point 12 and a punch 13.
  • each shell has two adhesive points 12 and two punchings 13 on.
  • FIGS. 3a to 3d show the folding of a sleeve 15, the has at least one adhesive point 12 and a punching 13.
  • the punch 13, which can be a perforation, is preferably as a curved line with apex 13a or with a tip 13b and leg 13c as an easily tearable weakening point educated.
  • FIG. 3a shows the casing 15 the here with two longitudinal folds 18 and 19 around a butter or Margarine piece 21 is folded. A is on one end the shell 15 still open. The glue point 12 is within this opening. To form a closure on the The end face A becomes the shell 15 according to FIGS. 3b, 3c and 3d folded.
  • Such folding is known per se and takes place in the packaging machine 10, for example by means of a folding bike.
  • FIG. 3c clearly shows first folded two side areas 28 inwards and an inner folding tab 17 by folding in the direction of arrow 22 formed.
  • the glue point 12 is now between two folded areas 29 in an intermediate one gap-shaped space 30.
  • the Adhesive point 12 and a tear-off area 14 are thus one on top of the other coordinated that with folded outer folding flaps 16 the adhesive point 12 abuts the tear-off area 14 and on this is liable.
  • the Envelope 15 unfolded on the front side A.
  • This is the exterior Folding tab 16 gripped and gripped at a grip area 31 subtracted from this.
  • the area 14 becomes complete separated from the inner folding tab 17, the punching 13 this makes it easier.
  • Figure 3d is the tear line that is formed dotted with the reference numeral 32.
  • the inner folding flap 17 thus opens the envelope strip-shaped area 33 separated, which is firmly on the outside Folding tab 16 adheres.
  • the outer folding flap is used to close the packaging 16 brought back into the position shown in Figure 3d.
  • the areas 12a of the area 33 projecting laterally Adhesive point 12 adheres to the outside of the folding tab 17 and contribute to the folding tab 16 in the drawn Hold position.
  • the reclosability of the case 15 is guaranteed.
  • the areas 16, 17 and 18 are also by the sticky surface of the body 21 additionally held.
  • Closure can also in the same version on the opposite end face B may be provided.
  • the casing 15 After repackaging, the casing 15 is largely in its original state Status. The packaging then makes one very clean impression. Since the area 33 after the first Opening is finally separated from the inner folding tab 17, is nevertheless recognizable at all times that the packaging has been opened. The packaging thus forms a safe one Original closure.
  • FIGS 5a to 5c show different versions the glue point 12 and the tear-off area 14, which here the For the sake of simplicity, use the same reference numerals are.
  • the tear-off area 14 is liable for all versions firmly at the gluing point 12.
  • the punching, weakening line or perforation 13 determined when opening the package in each case the area 14 which is separated from the inner folding tab 17 becomes.
  • FIGS. 6a and 6b show an embodiment, in which the glue points 12 on the inside 18a of the Longitudinal fold 18 and the lines of weakness or punchings 13 are arranged on the longitudinal folds 19.
  • the outer longitudinal fold 18 of the inner longitudinal fold 19 deducted, the areas 14 being separated and stick to the glue points 12.
  • a reclosing is also easily possible here, as with the reclosed Cover 15 lateral areas 12a of the glue point 12 stick to the inner folding tab 19, like the figure 6b makes it clear.
  • the End faces A and B each have a closure be.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Claims (10)

  1. Emballage avec une enveloppe (15) coupée à dimension et pliée en une feuille souple, qui est appliquée directement sur un corps quadrangulaire (21) d'une denrée alimentaire plastique à surface collante, en particulier beurre ou margarine, et présente au moins deux faces pliantes appliquées l'une sur l'autre (16, 17), caractérisé en ce qu'une première face pliante (16) est pourvue d'une plage adhésive (12) et une seconde face pliante (17) est pourvue d'une zone (14) de l'enveloppe (15) à déchirer lors de l'ouverture de l'emballage, en ce que la plage adhésive (12) est collée à la zone à détacher (14) et y adhère d'une façon telle qu'au dépliage de l'enveloppe (15), ladite zone (14) soit entièrement déchirée et soit retenue à la plage adhésive (12), et en ce que la plage adhésive (12) déborde de la zone à détacher (14) de la seconde face pliante (17) et adhère de façon détachable, à l'extérieur de celle-ci, à la seconde face pliante (17).
  2. Emballage suivant la revendication 1, caractérisé en ce que la plage adhésive (12) est formée par une colle à chaud (Hot-melt) appliquée intérieurement sur la première face pliante (16).
  3. Emballage suivant la revendication 1 ou 2, caractérisé en ce que la zone à détacher (14) est délimitée par une ligne de moindre résistance (13).
  4. Emballage suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que la ligne de moindre résistance (13) présente un pic (13a, 13b) qui est plus éloigné du bord de la feuille (2c) que ses flancs (13c).
  5. Emballage suivant la revendication 3, caractérisé en ce que la ligne de moindre résistance (13) est une perforation avec des incisions et des languettes de déchirure.
  6. Emballage suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que la première face pliante (16) est disposée à un côté d'extrémité (A, B) de l'emballage.
  7. Emballage suivant la revendication 5, caractérisé en ce que la plage adhésive (12) est disposée sensiblement au milieu sur le côté intérieur d'une patte pliante.
  8. Emballage suivant l'une quelconque des revendications 1 à 6, caractérisé en ce que la plage adhésive (12) est disposée sur une partie de saisie (31) de l'enveloppe (15) à une distance de préférence de 2 à 15 mm d'un bord (2c).
  9. Procédé pour la fabrication d'un emballage suivant la revendication 1, dans lequel une feuille souple (2) est prélevée d'un rouleau (1) et envoyée à un dispositif de pliage (10) pour recevoir des denrées alimentaires plastiques, caractérisé en ce que la feuille (2) est, entre le rouleau (1) et le dispositif de pliage (10), pourvue d'un adhésif et à distance de celui-ci d'une ligne de moindre résistance, dans une installation s'étendant en ligne dans la direction longitudinale de la feuille (2), en ce que des tronçons de la feuille (2) avec au moins une plage adhésive (12) et une ligne de moindre résistance (13) sont détachés de la feuille (2), qui est jointe respectivement à un corps moulé (21) et pliée.
  10. Installation d'emballage pour la mise en oeuvre du procédé suivant la revendication 9, caractérisée en ce qu'entre un rouleau de stockage (1) et un dispositif de pliage (10), sont disposés un dispositif d'application d'adhésif (4) et un dispositif de poinçonnage (5), avec lesquels il est possible d'appliquer des plages adhésives (12) et des lignes de moindre résistance (13), à des distances prédéterminées, sur un côté intérieur (2a) d'une bande de feuille (2).
EP19950810719 1994-12-06 1995-11-17 Emballage en feuille Expired - Lifetime EP0718209B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3695/94 1994-12-06
CH369594 1994-12-06

Publications (2)

Publication Number Publication Date
EP0718209A1 EP0718209A1 (fr) 1996-06-26
EP0718209B1 true EP0718209B1 (fr) 1998-03-18

Family

ID=4261550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950810719 Expired - Lifetime EP0718209B1 (fr) 1994-12-06 1995-11-17 Emballage en feuille

Country Status (3)

Country Link
EP (1) EP0718209B1 (fr)
DE (1) DE59501645D1 (fr)
DK (1) DK0718209T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7032757B2 (en) 2002-08-08 2006-04-25 Mars, Incorporated Tamper evident food packaging

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030247B (de) * 1955-04-25 1958-05-14 Lindt & Spruengli Schokolade Verpackung fuer tafelfoermiges Gut
NL8502368A (nl) * 1985-08-28 1987-03-16 Unilever Nv Verpakt voedingsmiddel.

Also Published As

Publication number Publication date
DK0718209T3 (da) 1999-01-11
EP0718209A1 (fr) 1996-06-26
DE59501645D1 (de) 1998-04-23

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