EP0868357B1 - Emballage en matière plastique avec des éléments préformés emboités - Google Patents

Emballage en matière plastique avec des éléments préformés emboités Download PDF

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Publication number
EP0868357B1
EP0868357B1 EP96945905A EP96945905A EP0868357B1 EP 0868357 B1 EP0868357 B1 EP 0868357B1 EP 96945905 A EP96945905 A EP 96945905A EP 96945905 A EP96945905 A EP 96945905A EP 0868357 B1 EP0868357 B1 EP 0868357B1
Authority
EP
European Patent Office
Prior art keywords
parts
nested
plastic packaging
plastic
packaging according
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
EP96945905A
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German (de)
English (en)
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EP0868357A1 (fr
Inventor
Bernhard Borgardt
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.)
RPC Containers Ltd
Original Assignee
RPC Containers Ltd
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Filing date
Publication date
Application filed by RPC Containers Ltd filed Critical RPC Containers Ltd
Publication of EP0868357A1 publication Critical patent/EP0868357A1/fr
Application granted granted Critical
Publication of EP0868357B1 publication Critical patent/EP0868357B1/fr
Anticipated expiration legal-status Critical
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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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B65D25/205—Means for the attachment of labels, cards, coupons or the like
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/20—Details of walls made of plastics material
    • B65D11/22—Reinforcing for strengthening parts of members

Definitions

  • the invention relates to a plastic packaging of predetermined dimensional stability, especially as a lid or in the form of a bowl of larger volume.
  • Plastic packaging is widely available and in a wide variety of shapes and sizes and for various purposes in practical use. Problems with these On the one hand, packaging prepares the cost of materials for plastic, the disposal the no longer required packaging and the attachment of the usual and necessary information and advertising information.
  • GB-A 921 830 shows improvements in injection molded products such as containers.
  • plastic containers or containers which should have different external designs and which should be able to be changed in a simple manner as desired in design (ornamentation or pattern), the injection molding devices for the basic container not being changed or exchanged.
  • nested two parts are proposed, which are made of synthetic plastic and a synthetic plastic disc is sandwiched between them (see page 1, lines 18 to 23 and 28 to 30).
  • the plastic containers described there relate to any suitable form of a product and especially to those articles which have a flat plate shape or tray shape.
  • Such forms are also addressed, which are boxes, flower pots and drinking cups, the solution described there relating both to the wall or walls of the container and to the bottom of the container.
  • the nested parts are joined together in any suitable manner (firmly) connected (see page 1, lines 48/49 there as “bonded together"), while at mentioned elsewhere that the connection is generally permanent (cf. there Page 2, lines 8 to 16), but should be of a separable or tearable shape (detachable character).
  • the connection at the edge of the nested parts is described as "being cemented together", cf. there page 2, lines 16 to 32, alternatively by wedge-shaped coupling at the top / bottom of the container, e.g. with a circumferential flange arranged at the top and stepped (there 5) and an annular receptacle (there 6 and Figure 2), which around the lower end of the Flange section runs.
  • This wedge connection is called “tight fit and being cemented together ". It is all-round and emphasizes an adhesive connection.
  • the parts forming the lower part or the cover part are only "essentially" of the same design, but otherwise differently dimensioned so that limited, interacting areas in the nested state of the Share a positive or non-positive connection, for example pinching or snapping effect.
  • Each of the nested molded parts has a film thickness or one Film strength, which is not sufficient for either itself or for both parts together, in order to maintain sufficient dimensional stability of the overall plastic packaging. she are, however, each dimensionally stable. Take the nested parts sandwich the liner between them, which is preferably not made of plastic exists and by its shape and material to achieve the predetermined Dimensional stability of the plastic packaging contributes.
  • the liner is made on the basis of paper or sturdy cardboard. Of the Weight percentage of the material of the liner should be in the total weight of the packaging assume a comparatively high value. It can handle up to 50% and more of the Total weight.
  • the outer shell or the upper preform part of the cover is advantageous transparent material (claim 6).
  • the liner can be used as Serve information carriers.
  • the nested different sized preforms have due to the shell shape limited corner areas (claim 1), in which nested condition positively or non-positively (or both) one Connection takes place.
  • the connection becomes jamming or snapping Get effect.
  • the two preforms are deinterleaved while removing the clamping holding forces in the limited corner areas, so that Access to the liner is created.
  • the plastic parts and the intermediate layer can then disposed of separately.
  • plastic packaging as a lid (Claim 2), which also has limited corner areas in which a positive or non-positive connection.
  • the new plastic packaging saves substantial amounts of plastic material, without losing the shape stability of the container. Applying the required information and the factual and advertising information no longer occurs the plastic. Rather, the cheap material such. B. paper or cardboard existing separate information carriers are cut and printed separately become. Disposing of the packaging is much cheaper because, on the one hand, the Plastic content is much lower than usual, while the material of the Information carrier is much easier to dispose of than the plastic material, and because the outside of the nested plastic parts by the content of the Packaging is not dirty, but as a so-called clean plastic again can be processed. Another advantage arises, especially with Plastic packaging for ice cream, due to the increased insulation effect of the sandwich-like walls, with the thinnest between the individual layers Air layers contribute to thermal insulation. The rigidity and thus the dimensional stability of the Packaging can be increased by the stiffness of the information carrier.
  • the container part 1 of a plastic packaging according to FIG. 1 consists of two nested bowl-shaped cups 2 and 3. Both consist of thin plastic film, the film of the outer part 3 preferably having a smaller thickness than the film of the inner part 2.
  • the film material of part 3 is transparent, while the film material of part 2 is preferably opaque.
  • the two nested parts 2, 3 are essentially of the same shape. However, they are dimensioned slightly differently, in such a way that they can only be nested in a certain order. It is therefore not possible to fully insert Part 3 into Part 2, but vice versa.
  • Both parts 2 and 3 have, in the upper edge region 5, preferably in the packaging corners 6, regions 9 which are matched to one another and which are shaped differently from the regions lying between them.
  • the upper wall areas 7, 8 in the corner area 6 are designed to be slightly to significantly (outwardly) inclined to the vertical, as is indicated in FIGS. 1 and 1b .
  • the walls 7a, 8a of both parts 2 and 3 are essentially vertical, as can be seen in FIGS. 1b and 1a , only the areas 6 of the two parts 2 and 3 being used to produce a Clamping seat are matched to each other, while the wall sections 7a, 8a apply no clamping force.
  • Both parts 2 and 3 have edge flanges 10, 11 which are used for connection to a corresponding cover.
  • the walls of parts 2 and 3 are spaced apart and sandwich between them a correspondingly shaped information carrier, which preferably consists of paper or cardboard-like material of such stiffness that the information carrier can contribute to the plastic packaging predetermined dimensional stability is achieved, while the parts 2 and 3 consist of a plastic material of such a thickness that, even when nested together, do not yet provide the dimensional stability.
  • the nested parts 2, 3 can be stiffened accordingly by a further shoulder 13.
  • the two parts 2 and 3 can also additionally in their connecting areas 5,6 be firmly connected by the action of heat.
  • a to facilitate such packaging can in the outer shell 3 around Connection area 5.6 around a tear, perforation or pre-weakening line provided that the outer part is easily torn off from the inner part 2 with the exception of the connection areas 5.6.
  • the cardboard insert 4 can also be removed and separated to be disposed of.
  • the outer part 3 can have small suction openings distributed over its extension have, so that - in the manufacture - the inserted in the outer part 3 Information carrier 4 held in its exact position in part 3 by negative pressure can be inserted until the inner part 2 and in areas 5 and 6 with the outer part 3 is positively or non-positively connected. Instead it is also possible, the information carrier 4 on the outer part 3 at a few points thermal way to secure its position. This attachment hampers not easy removal of the information carrier from part 3 during disposal.
  • a lid 19 made of plastic is provided, which can be used, for example, to close the container according to FIG .
  • the cover part 19 consists of two parts 20 and 30, each preformed from plastic foils and nestable into one another, and an information carrier 40 sandwiched between them, preferably of cardboard or paper material.
  • the parts 20 and 30 are of essentially the same design and both have a profiled edge which serves to engage with a container, as can be seen in section from FIG. 3b .
  • the detailed information that has been given for the lower part according to FIG. 1 essentially also applies to the cover part.
  • This also preferably has, in its corner regions 28, 29, mutually coordinated and slightly differently dimensioned engagement sections 23, 24, which achieve a positive or non-positive connection between the two parts 20 and 30 when the parts are nested in a predetermined order.
  • the nubs 25 provided in different numbers in the corner areas in conjunction with an outer edge area 26 drawn in along the line 27, which can also serve for clamping the entire cover onto the lower part, are used to also in the corner areas 28, 29 between the two parts 20 and 30 to produce a fixed connection in the nested state, which is snap action in the case shown.
  • the insert 40 clearly contributes to the total weight and to the shape retention and rigidity of the packaging lid.
  • the corner areas guaranteeing the connection can be designed differently, as shown at 23 and 24.
  • a through Exposure to heat in the corner areas achieved an inseparable connection between the parts 20 and 30 may be provided, also not shown in this case Lines of weakness surround the connection area to the outer part 20 of to make the inner part 30 tearable so that both parts are disposed of separately or the cardboard insert can be removed. Otherwise leave the two parts 20 and 30 easily by lifting the snap lock separate from each other.
  • the trays and lids for frozen foods are preferred - used as ice cream or salads.
  • the invention also avoids the disadvantage of inaccuracy in larger containers of the information and advertising imprint, since this information on the Information carriers in a simple and safe way with optically good quality can be applied.
  • the invention achieves that the hygienic advantages of plastic packaging are fully preserved stay.
  • a high proportion by weight of the total packaging is due to the paper or Cardboard-like material made to give stability.
  • the invention relates to a plastic packaging of predetermined Dimensional stability and larger volume, in which the lower part or Cover part forming parts (2, 3) are each essentially the same are, but are dimensioned differently so that they are limited to each other cooperating areas (6,28,29), which in the nested condition of the parts a positive or non-positive (7,8,25,26,27) firm connection, for example with a clamping or snap-like Effect.
  • Each of the nested parts has a film thickness or one Film strength, which is not sufficient for either itself or for both parts together, in order to maintain the predetermined dimensional stability of the plastic packaging.
  • the nested parts (2, 3) sandwich the information carrier (4) between themselves, which is preferably not made of plastic and which through its Shape and its material to achieve the predetermined dimensional stability of the Plastic packaging contributes.
  • the invention achieves that the hygienic advantages of plastic packaging are fully preserved stay.
  • a high proportion by weight of the total packaging is due to the paper or Cardboard-like material made to give stability.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Stackable Containers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (11)

  1. Emballage de matière plastique en forme de coque de volume particulièrement important, dans lequel :
    (a) la partie inférieure (1) est constituée de parties préformées (2, 3) de dimensions différentes pour permettre leur emboítement mutuel, pré-moulées respectivement dans une feuille de matière plastique, qui sont reliées l'une à l'autre (7, 8) dans des premières zones de coin limitées (6) à l'état emboíté par adaptation de formes et/ou par ajustement à force,
    caractérisé en ce que :
    (b) un matériau à base de papier ou de carton (4) contribuant à la stabilité de forme de la coque est inséré entre les parties préformées (2, 3) emboítées l'une dans l'autre.
  2. Emballage de matière plastique de stabilité de forme suffisante, dans lequel :
    (a) le couvercle (19) est constitué de deux parties préformées plates (20, 30) emboítées l'une dans l'autre, pré-moulées respectivement dans une feuille de matière plastique, qui, au moins dans des zones limitées prédéterminées (28, 29), n'ont de différence de dimensions que pour leur permettre d'être reliées l'une à l'autre à l'état emboíté par adaptation de formes et/ou ajustement à force,
    caractérisé en ce que :
    (b) un matériau à base de papier ou de carton (40) contribuant à la stabilité de forme du couvercle est inséré entre les parties préformées (20, 30) emboítées l'une dans l'autre.
  3. Emballage de matière plastique selon la revendication 1 ou 2, caractérisé en ce que les parties inférieures ou les parties de couvercle emboítées l'une dans l'autre, constituées respectivement de feuilles de matière plastique, sont dimensionnées assez différemment pour qu'elles ne puissent être emboítées l'une dans l'autre qu'au cours d'une seule séquence.
  4. Emballage de matière plastique selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'on choisit à suffisance le type de matériau et/ou l'épaisseur d'une partie respective des parties (2, 3; 20, 30) emboítées l'une dans l'autre de manière à obtenir la stabilité de forme suffisante.
  5. Emballage de matière plastique selon la revendication 4, caractérisé en ce que le matériau inséré à base de papier ou de carton (4; 40) se présente sous une forme telle qu'il contribue sensiblement aussi au poids du matériau de la totalité de l'emballage de matière plastique formé du couvercle ou de la coque.
  6. Emballage de matière plastique selon l'une quelconque des revendications précédentes, caractérisé en ce que la coque extérieure (3) ou le couvercle supérieur (20) est transparent(e) et le matériau inséré à base de papier ou de carton (4; 40) se présente sous la forme d'un support d'informations qui peut être observé de l'extérieur.
  7. Emballage de matière plastique selon l'une quelconque des revendications précédentes, caractérisé en ce que la partie extérieure (3; 20) des parties (2, 3; 20, 30) emboítées l'une dans l'autre a une paroi plus mince que la partie intérieure.
  8. Emballage de matière plastique selon l'une quelconque des revendications précédentes, caractérisé en ce que les parties (2, 3; 20, 30) emboítées l'une dans l'autre sont reliées l'une à l'autre par adaptation de formes ou ajustement à force dans la zone de leurs coins arrondis (7, 8; 23, 24), dans une zone limitée périphériquement à partir du bord supérieur.
  9. Emballage de matière plastique selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la partie extérieure des parties (2, 3; 20, 30) emboítées l'une dans l'autre présentent des lignes d'affaiblissement qui délimitent des parties de liaison respectives de matériau (7, 8; 23, 24) pour séparer, le long de ces lignes d'affaiblissement, la partie extérieure (3; 20) de la partie intérieure (2; 20) à l'exception des zones de liaison.
  10. Emballage de matière plastique selon l'une quelconque des revendications précédentes, dans lequel :
    (a) la zone de blocage (7, 8) dans les coins (6) est constituée de sections légèrement inclinées allant à l'encontre de la direction d'enfichage des parties inférieures (3, 2) à emboíter, de telle sorte que, lors de l'engagement, l'épaulement inférieur de la coque intérieure s'encliquette sur l'épaulement supérieur de la coque extérieure, ou
    (b) la zone de blocage est agencée sur les coins (28, 29) du couvercle mutatis mutandis en prévoyant des zones d'engagement (25, 27) espacées sur la périphérie dans la zone de coin.
  11. Emballage de matière plastique selon la revendication 10, dans l'alternative (a), dans lequel chaque zone de blocage de coin (7, 8; 9) est continue autour du coin.
EP96945905A 1995-12-01 1996-12-02 Emballage en matière plastique avec des éléments préformés emboités Expired - Lifetime EP0868357B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19544973A DE19544973A1 (de) 1995-12-01 1995-12-01 Sandwich-Kunststoffverpackung
DE19544973 1995-12-01
PCT/DE1996/002310 WO1997020744A1 (fr) 1995-12-01 1996-12-02 Emballage plastic multicouche avec support d'informations

Publications (2)

Publication Number Publication Date
EP0868357A1 EP0868357A1 (fr) 1998-10-07
EP0868357B1 true EP0868357B1 (fr) 1999-11-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP96945905A Expired - Lifetime EP0868357B1 (fr) 1995-12-01 1996-12-02 Emballage en matière plastique avec des éléments préformés emboités

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Country Link
EP (1) EP0868357B1 (fr)
AT (1) ATE186270T1 (fr)
DE (2) DE19544973A1 (fr)
WO (1) WO1997020744A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2825986B1 (fr) * 2001-06-19 2003-08-22 Jean Stalaven Emballage destine a permettre le transport et la presentation de denrees alimentaires
DE102004057786A1 (de) * 2004-11-09 2006-05-11 Schoeller Wavin Systems Services Gmbh Kunststoffbehälter mit mehrlagigen Seitenwänden
DE102012102871B4 (de) * 2012-04-02 2016-06-30 Coveris Rigid (Zell) Deutschland Gmbh Verpackungsbehälter
DE102020125214B4 (de) 2020-09-28 2022-05-25 Paccor Packaging Gmbh Verfahren zum Codieren eines Verpackungsbehälters und codierter Verpackungsbehälter für Konsumgüter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB921830A (en) * 1960-08-26 1963-03-27 B E F Products Essex Ltd Improvements in moulded plastic articles such as containers
SE313276C (sv) * 1965-03-18 1972-09-07 Rigello Pak Ab Behållare med plastfoder.
GB2032876A (en) * 1978-09-13 1980-05-14 Bruemmer Esbe Plastic Double-walled Plastics Containers
CH649056A5 (en) * 1981-03-04 1985-04-30 Esbe Plastic Gmbh Plastic beaker with printable sleeve
IT1144942B (it) * 1981-11-18 1986-10-29 Alberto Piaggi Procedimento per la fabbricazione di specifici prodotti per la conservazione, il trasporto, la preparazione ed il consumo di cibi e bevande e rispettivi prodotti ottenuti con tali procedimenti, quali ad esempio, piatti piani e fondi coppe e coppette, bicchieri, e simili
DE8200561U1 (de) * 1982-01-13 1982-06-24 Willy Jaun GmbH, 7401 Dußlingen Klarsichtdose
DE3242305C2 (de) * 1982-11-16 1985-08-22 Theodor 4600 Dortmund Lentjes Behälter aus Kunststoff oder Leichtmetall
US5050737A (en) * 1990-05-29 1991-09-24 Rockline, Inc. System for packaging moist towelettes
DE4041266C2 (de) * 1990-12-21 1993-11-04 Sto Ag Verwendung eines mehrwegbehaeltnisses
JPH0741648B2 (ja) * 1990-12-28 1995-05-10 日プラ株式会社 糸底付きインモールドラベリング容器及びその製造方法
DE9115073U1 (fr) * 1991-01-09 1992-04-02 Friedrich Kling Gmbh, 7534 Birkenfeld, De
DE29513093U1 (de) * 1994-11-15 1995-10-12 Wilke Werner Heinz Verpackungsbehälter

Also Published As

Publication number Publication date
WO1997020744A1 (fr) 1997-06-12
ATE186270T1 (de) 1999-11-15
DE59603600D1 (de) 1999-12-09
EP0868357A1 (fr) 1998-10-07
DE19544973A1 (de) 1997-06-05

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