EP0161214B1 - Packaging method and package obtained by this method - Google Patents

Packaging method and package obtained by this method Download PDF

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Publication number
EP0161214B1
EP0161214B1 EP85810183A EP85810183A EP0161214B1 EP 0161214 B1 EP0161214 B1 EP 0161214B1 EP 85810183 A EP85810183 A EP 85810183A EP 85810183 A EP85810183 A EP 85810183A EP 0161214 B1 EP0161214 B1 EP 0161214B1
Authority
EP
European Patent Office
Prior art keywords
product
flap
sheet
bottom face
folded down
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
Application number
EP85810183A
Other languages
German (de)
French (fr)
Other versions
EP0161214A2 (en
EP0161214A3 (en
Inventor
Erwin Kobler
Pierre Therond
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.)
Sapal SA
Original Assignee
Sapal SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4228474&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0161214(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sapal SA filed Critical Sapal SA
Publication of EP0161214A2 publication Critical patent/EP0161214A2/en
Publication of EP0161214A3 publication Critical patent/EP0161214A3/en
Application granted granted Critical
Publication of EP0161214B1 publication Critical patent/EP0161214B1/en
Expired 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
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/06—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes
    • B65D75/12—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes with the ends of the tube closed by flattening and heat-sealing
    • 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
    • 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
    • B65D75/20—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • 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
    • B65D85/60—Containers, packaging elements or packages, specially adapted for particular articles or materials for sweets or like confectionery products

Definitions

  • the present invention relates to a process for packaging products, in particular food products such as chocolate bars or bars or the like, in which a packaging material is used which consists of a sheet of heat-sealable aluminum strip.
  • the chocolate bars are packaged in a first package consisting, for example, of a multilayer complex, heat sealable or not, one of the layers of which is for example aluminum folded by an appropriate mechanism, known per se, then in a second packaging consisting of a banner or printed paper label.
  • a first package consisting, for example, of a multilayer complex, heat sealable or not, one of the layers of which is for example aluminum folded by an appropriate mechanism, known per se
  • a second packaging consisting of a banner or printed paper label.
  • the present invention proposes to overcome the aforementioned drawbacks by performing a folding in a single operation, which has the appearance as well as the advantages of a folding of the conventional type.
  • an asymmetrical tube is formed, using this packaging material around the product, such that one of the edges of the sheet exceeds 1 'other edge and forms a foldable cover tab, in that one carries out a longitudinal sealing of the tube by sealing the other edge of the sheet against the base of this tab, in that one forms the lateral folds that it is folded against the underside of the product and in that the tongue is folded over this underside so as to hide the lateral folds.
  • FIG. 1 represents a perspective view of a first phase of the method according to the invention, during which the tube of packaging material is formed around the product,
  • fig. 2 shows a view identical to that of FIG. 1, but illustrating a later phase of the method according to the invention
  • fig. 3 represents the phase of folding down the covering tab
  • Fig.4 shows a perspective view of the product packaged according to the method of the invention.
  • the product consisting, for example, of a chocolate bar 10 is surrounded by a sheet 11 of packaging material consisting of heat-sealable aluminum, that is to say coated with a heat-bonding coating such as for example polyethylene.
  • a tube is formed around the product and the edge 12 is sealed against the inner surface of the base of a covering tongue 13 produced by asymmetrically arranging the two longitudinal edges of the sheet 11 as shown in FIG. 1.
  • the cover tab 13 When the two lateral folds 14 and 15 are completely folded against the underside 16 of the product, it is folded down, as shown in FIG. 3, in the direction of arrow C, the cover tab 13, to result in a packaged product as shown in fig.4.
  • the cover tab 13 can be point-sealed or - optionally glued along line 17 or - along at least part of this line.
  • This process therefore makes it possible to end up with a packaging which has a classic appearance, the lateral folds not being visible, since they are hidden by the cover tab.
  • the covering tab preferably has a width sufficient to enable it to cover almost the entire underside 16 of the product.

Landscapes

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

Abstract

1. A method of packaging products (10), especially food products such as chocolate bars or sticks or the like, wherein a packing material consisting of a sheet (11) of a web of heat sealable multilayer material is used or not, in which one of the layers composing this multilayer material may be made of aluminium, characterized in that an asymmetrical tube of this packing material is formed around the product (10), so that one of the edges of the sheet projects over the other edge and forms a covering flap (13) which can be folded down, and in that longitudinal sealing of the tube is effected by sealing the other edge (12) of the sheet (11) against the base of this flap (13), in that lateral folds (14, 15) are formed which are folded down against the bottom face (16) of the product (10), and in that the flap (13) is folded down over this bottom face (16) so as to cover the lateral folds (14, 15).

Description

La présente invention concerne un procédé de conditionnement de produits, notamment de produits alimentaires tels que tablettes ou bâtons de chocolat ou similaires, dans lequel on utilise un matériau d'emballage constitué par une feuille d'une bande d'aluminium thermoscellable.The present invention relates to a process for packaging products, in particular food products such as chocolate bars or bars or the like, in which a packaging material is used which consists of a sheet of heat-sealable aluminum strip.

Elle concerne également le conditionnement obtenu parce procédé.It also relates to the packaging obtained because of the process.

Habituellement, les tablettes de chocolat sont conditionnées dans un premier emballage constitué, par exemple, par un complexe multicouche thermoscellable ou non, dont une des couches est par exemple de l'aluminium plié par un mécanisme approprié, connu en soi, puis dans un second emballage constitué par une banderole ou une étiquette en papier imprimé. Ce procédé, devenu classique, continue à être utilisé sur une très large échelle. Toutefois, il nécessite des installations d'approvisionnement et de pliage d'au moins deux matériaux d'emballage différents. Par ailleurs, ce type d'emballage ne répond pas nécessairement au critère d'inviolabilité.Usually, the chocolate bars are packaged in a first package consisting, for example, of a multilayer complex, heat sealable or not, one of the layers of which is for example aluminum folded by an appropriate mechanism, known per se, then in a second packaging consisting of a banner or printed paper label. This process, which has become classic, continues to be used on a very large scale. However, it requires facilities for supplying and folding at least two different packaging materials. Furthermore, this type of packaging does not necessarily meet the inviolability criterion.

On a développé des machines de conditionnement à une seule opération, utilisant un ou plusieurs matériaux d'emballage pliés simultanément dans une boîte de pliage. Ce type d'emballage n'est ni étanche, ni inviolable.Single-operation packaging machines have been developed, using one or more packaging materials folded simultaneously in a folding box. This type of packaging is neither waterproof nor tamper-proof.

Donc, actuellement, seules les machines à deux opérations sont capables de réaliser un conditionnement étanche et inviolable.Therefore, at present, only two-operation machines are capable of achieving sealed and tamper-proof packaging.

Ces machines présentent, bien entendu l'inconvénient d'être particulièrement encombrantes et coûteuses.These machines have, of course, the drawback of being particularly bulky and expensive.

La présente invention se propose de pallier les inconvénients susmentionnés en réalisant un pliage en une seule opération, qui présente l'aspect ainsi que les avantages d'un pliage de type classique.The present invention proposes to overcome the aforementioned drawbacks by performing a folding in a single operation, which has the appearance as well as the advantages of a folding of the conventional type.

Ce but est atteint par le procédé selon l'invention, caractérisé en ce que l'on forme, à l'aide de ce matériau d'emballage autour du produit, un tube asymétrique tel que l'un des bords de la feuille dépasse l'autre bord et forme une languette de recouvrement rabattable, en ce que l'on effectue un scellage longitudinal du tube en scellant l'autre bord de la feuille contre la base de cette languette, en ce que l'on forme les plis latéraux que l'on rabat contre la face inférieure du produit et en ce que l'on rabat la languette par-dessus cette face inférieure de manière à cacher les plis latéraux.This object is achieved by the method according to the invention, characterized in that an asymmetrical tube is formed, using this packaging material around the product, such that one of the edges of the sheet exceeds 1 'other edge and forms a foldable cover tab, in that one carries out a longitudinal sealing of the tube by sealing the other edge of the sheet against the base of this tab, in that one forms the lateral folds that it is folded against the underside of the product and in that the tongue is folded over this underside so as to hide the lateral folds.

La présente invention sera mieux comprise en référence à la description d'un exemple de réalisation préféré et du dessin annexé dans lequel:The present invention will be better understood with reference to the description of a preferred embodiment and the attached drawing in which:

La fig.1 représente une vue en perspective d'une première phase du procédé selon l'invention, au cours de laquelle on forme le tube de matériau d'emballage autour du produit,FIG. 1 represents a perspective view of a first phase of the method according to the invention, during which the tube of packaging material is formed around the product,

la fig. 2 représente une vue identique à celle de la fig. 1, mais illustrant une phase ultérieure du procédé selon l'invention,fig. 2 shows a view identical to that of FIG. 1, but illustrating a later phase of the method according to the invention,

la fig. 3 représente la phase de rabattement de la languette de recouvrement, etfig. 3 represents the phase of folding down the covering tab, and

la fig.4 représente une vue en perspective du produit conditionné selon le procédé de l'invention.Fig.4 shows a perspective view of the product packaged according to the method of the invention.

En référence à la fig. 1, le produit constitué, par exemple, par une tablette de chocolat 10 est entouré d'une feuille 11 de matériau d'emballage constitué par de l'aluminium thermoscellable, c'est-à-dire revêtu d'un enduit thermocollant tel que par exemple le polyéthylène. On forme un tube autour du produit et on scelle le bord 12 contre la surface intérieure de la base d'une languette de recouvrement 13 réalisée en disposait asymétriquement les deux bords longitudinaux de la feuille 11 comme le montre la fig. 1.With reference to fig. 1, the product consisting, for example, of a chocolate bar 10 is surrounded by a sheet 11 of packaging material consisting of heat-sealable aluminum, that is to say coated with a heat-bonding coating such as for example polyethylene. A tube is formed around the product and the edge 12 is sealed against the inner surface of the base of a covering tongue 13 produced by asymmetrically arranging the two longitudinal edges of the sheet 11 as shown in FIG. 1.

On forme ensuite, comme le montre la fig. 2, les plis latéraux 14 et 15 à l'aide de poussoirs agissant dans le sens des flèches A et B. Cette technique est bien connue et ne sera pas décrite plus en détail dans ce texte. Lorsqu'ils sont formés et avant d'être rabattus, ces plis latéraux sont scellés.Then, as shown in fig. 2, the side folds 14 and 15 using pushers acting in the direction of the arrows A and B. This technique is well known and will not be described in more detail in this text. When formed and before being folded down, these side folds are sealed.

Lorsque les deux plis latéraux 14 et 15 sont entièrement rabattus contre la face inférieure 16 du produit, on rabat, comme le montre la fig. 3, dans le sens de la flèche C, la languette de recouvrement 13, pour aboutir à un produit conditionné tel que représenté par la fig.4. La languette de recouvrement 13 peut être scellée par points ou- éventuellement collée le long de la ligne 17 ou-le long d'une partie au moins de cette ligne.When the two lateral folds 14 and 15 are completely folded against the underside 16 of the product, it is folded down, as shown in FIG. 3, in the direction of arrow C, the cover tab 13, to result in a packaged product as shown in fig.4. The cover tab 13 can be point-sealed or - optionally glued along line 17 or - along at least part of this line.

Ce procédé permet donc d'aboutir à un emballage qui présente un aspect classique, les plis latéraux n'étant pas apparents, puisqu'ils sont cachés par la languette de recouvrement.This process therefore makes it possible to end up with a packaging which has a classic appearance, the lateral folds not being visible, since they are hidden by the cover tab.

A cet effet, la languette de recouvrement a, de préférence, une largeur suffisante pour lui permettre de recouvrir quasiment en totalité la face inférieure 16 du produit.To this end, the covering tab preferably has a width sufficient to enable it to cover almost the entire underside 16 of the product.

Claims (4)

1. A method of packaging products (10), especially food products such as chocolate bars or sticks or the like, wherein a packing material consisting of a sheet (11) of a web of heat sealable multilayer material is used or not, in which one of the layers composing this multilayer material may be made of aluminium, characterized in that an asymmetrical tube of this packing material is formed around the product (10), so that one of the edges of the sheet projects over the other edge and forms a covering flap (13) which can be folded down, and in that longitudinal sealing of the tube is effected by sealing the other edge (12) of the sheet (11) against the base of this flap (13), in that lateral folds (14, 15) are formed which are folded down against the bottom face (16) of the product (10), and in that the flap (13) is folded down over this bottom face (16) so as to cover the lateral folds (14,15).
2. The method of claim 1, characterized in that the covering flap (13) is at least partly sealed against the bottom face (16) of the product (10), along a line (17) parallel to the edge of this flap.
3. The method of claim 2, characterized in that the covering flap (13) has a width substantially equal to the width of the bottom face (16) of the product (10).
4. A package obtained by the method according to claim 1, made by means of a single packing material consisting of a sheet (11) of a web of heat sealable aluminium, characterized in that it comprises lateral folds covered entirely by a covering flap having a length substantially equal to the width of the bottom face of the product.
EP85810183A 1984-05-07 1985-04-25 Packaging method and package obtained by this method Expired EP0161214B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH221184A CH657102B (en) 1984-05-07 1984-05-07
CH2211/84 1984-05-07

Publications (3)

Publication Number Publication Date
EP0161214A2 EP0161214A2 (en) 1985-11-13
EP0161214A3 EP0161214A3 (en) 1987-08-26
EP0161214B1 true EP0161214B1 (en) 1989-04-12

Family

ID=4228474

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85810183A Expired EP0161214B1 (en) 1984-05-07 1985-04-25 Packaging method and package obtained by this method

Country Status (5)

Country Link
US (1) US4993213A (en)
EP (1) EP0161214B1 (en)
JP (1) JPS60251052A (en)
CH (1) CH657102B (en)
DE (1) DE3569362D1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3444950A1 (en) * 1984-12-10 1986-06-12 Otto Hänsel GmbH, 3000 Hannover METHOD FOR PRODUCING A PACKAGING FOR TABLETOUS GOODS, IN PARTICULAR FOR CHOCOLATE TABLETS, AND THE TABLETACK PACKAGED THEREFORE
CH669940A5 (en) * 1985-12-24 1989-04-28 Sig Schweiz Industrieges
DE3719610C1 (en) * 1987-06-12 1988-12-22 Haensel Otto Gmbh Single-case packaging for tabular goods, in particular chocolate bars, and methods for their production
DE9014155U1 (en) * 1990-10-11 1990-12-20 Teich Ag, Obergrafendorf Wrapping pack
US5510124A (en) * 1994-03-23 1996-04-23 Wm. Wrigley Jr. Company Method for packaging single units of chewing gum and chewing gum so packaged
US6001397A (en) * 1997-12-23 1999-12-14 Wm. Wrigley Jr. Company Method for packaging chewing gum and chewing gum so packaged
US6010724A (en) * 1997-12-23 2000-01-04 Wm. Wrigley Jr., Company Packaged chewing gum and methods for packaging chewing gum
GB0408840D0 (en) * 2004-04-21 2004-05-26 Reckitt Benckiser Nv Tubular sachet pack
WO2009043185A1 (en) * 2007-10-02 2009-04-09 Nestec S.A. Packaging for bar-like foods
CH700968A1 (en) * 2009-05-05 2010-11-15 Lindt & Spruengli Schokolade Chocolate and packaging method for packaging bars of chocolate.
US8650843B2 (en) * 2011-02-04 2014-02-18 Alpma Alpenland Maschinenbau Gmbh Method of packaging products
CN103459253B (en) * 2011-03-23 2015-06-03 罗伯特·博世有限公司 Method for packaging products, particularly portions of chocolate or the like, and facility for implementing the method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1398569A (en) * 1921-04-11 1921-11-29 Combination Machine Company Method of packing and preserving plug-tobacco
US1869584A (en) * 1928-09-28 1932-08-02 Nestle And Anglo Swiss Condens Method of inclosing certain articles in wrappers
US2070736A (en) * 1934-01-29 1937-02-16 Gerh Arehns Mek Verkst Ab Method of covering articles with wrappers
US2279842A (en) * 1938-11-18 1942-04-14 Package Machinery Co Method of making packages
US2449334A (en) * 1944-05-04 1948-09-14 Package Machinery Co Method of packaging
DE1030247B (en) * 1955-04-25 1958-05-14 Lindt & Spruengli Schokolade Packaging for table goods
CH327555A (en) * 1955-10-28 1958-01-31 Sapal Plieuses Automatiques Packaging process for rectangular plates
CH521881A (en) * 1970-04-03 1972-04-30 Sig Schweiz Industrieges Packing device for rectangular panels, e.g. Chocolate bars
DE2307866A1 (en) * 1973-02-17 1974-08-22 Schmermund Maschf Alfred WRAPPING OF A SQUARE-SHAPED CONTAINER
DE2458462C2 (en) * 1974-12-10 1993-02-11 Fa. Alfred Ritter, 7035 Waldenbuch Tubular bag packaging, in particular for chocolate bars
CH666010A5 (en) * 1985-03-11 1988-06-30 Sig Schweiz Industrieges PACKAGING FOR A TABLED PRODUCT, IN PARTICULAR A CHOCOLATE TABLE.

Also Published As

Publication number Publication date
CH657102B (en) 1986-08-15
EP0161214A2 (en) 1985-11-13
EP0161214A3 (en) 1987-08-26
JPS60251052A (en) 1985-12-11
US4993213A (en) 1991-02-19
DE3569362D1 (en) 1989-05-18

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