EP0767106A1 - Plastic container with a lid and snap closure - Google Patents

Plastic container with a lid and snap closure Download PDF

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Publication number
EP0767106A1
EP0767106A1 EP96115423A EP96115423A EP0767106A1 EP 0767106 A1 EP0767106 A1 EP 0767106A1 EP 96115423 A EP96115423 A EP 96115423A EP 96115423 A EP96115423 A EP 96115423A EP 0767106 A1 EP0767106 A1 EP 0767106A1
Authority
EP
European Patent Office
Prior art keywords
nose
plastic container
container according
organs
lid
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.)
Granted
Application number
EP96115423A
Other languages
German (de)
French (fr)
Other versions
EP0767106B3 (en
EP0767106B1 (en
Inventor
Jean-Marc Dubois
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.)
Georg Utz Holding AG
Original Assignee
Georg Utz Holding AG
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Filing date
Publication date
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Application filed by Georg Utz Holding AG filed Critical Georg Utz Holding AG
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Application granted granted Critical
Publication of EP0767106B1 publication Critical patent/EP0767106B1/en
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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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • 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
    • B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
    • B65D50/02—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions
    • B65D50/04—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one
    • B65D50/045—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00527—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00657—U-shaped or inverted U
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/0074—Massive bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00805—Segments

Definitions

  • the invention relates to a plastic container according to the preamble of claim 1.
  • Containers of this type are used, for example, to transport goods. This places high demands on the stability of the containers.
  • the lid should be able to be securely attached to the container so that it does not open even when handled improperly. So far, therefore, relatively complex solutions, for example based on spring steel clamps, have been chosen for fastening the cover, which are cumbersome to use and / or were expensive.
  • the closure members pass into a securing position in which they form a connection which is dimensionally stable with respect to the opening force. Due to the opening force, this connection cannot be released without irreversible damage to the closure members.
  • the closure members can be constructed so that they are not elastically deformed in the closed position. This is of great advantage, since plastic closure elements tend to creep under load.
  • a mechanically very simple embodiment of the invention consists in the fact that the one closure member has a nose which, in the closed position, counteracts strikes a stop surface of the second organ.
  • This does not necessarily mean permanent contact of the nose with the stop surface, the geometry can also be chosen such that the nose only hits the stop surface when a slight opening force is exerted.
  • the nose To open the lid, the nose must be pushed in a first direction opposite the stop surface.
  • the nose is displaced in a second direction opposite the stop surface.
  • the closure members can be shaped in such a way that a displacement of the nose in the second direction, for example, results in the one closure member being placed over the stop surface like a hook.
  • FIG. 1 The basic structure of a container according to the invention can be seen in FIG. 1.
  • the embodiment shown here is an injection molded plastic container of about ten liters.
  • the container is constructed in two parts and comprises a lower part 1 and a lid 2.
  • the upper one Edge region 3 of the lower part 1 is reinforced with two walls.
  • the inner wall 4 of the edge area 3 engages in a circumferential groove 5 of the cover 2 and prevents a lateral displacement of the cover 2 with respect to the lower part 1.
  • the outer wall 6 of the edge area 3 is flush with the vertical cover edge 7.
  • two snap mechanisms are provided in the present example on opposite container sides, of which only one can be seen in FIGS. 1 and 2.
  • the number of snap mechanisms can also be larger or smaller.
  • the snap mechanism consists of two closure members, one of which is formed on the cover 2 and the other on the lower part 1.
  • the closure member comprises a tongue 12, 14, 15 on the lower part 1, an opening 11 and a handle 9 on the lid.
  • the tongue has a neck 12 which is formed by a recessed area of the vertical outer wall 6 of the edge area 3.
  • the neck 12 is reinforced with two webs 13. In the lower region of the neck 12, these webs extend to the inner wall 4, they are tapered at the top. At its upper end, the neck 12 merges into a head region 14, which forms an arcuate transition to a tongue 15. On the inside, the head 14 is reinforced by three webs 16.
  • the nose 15 lies flush with the outside of the lid edge area. This prevents accidental activation or jamming with other objects.
  • the lower end of the nose 15 touches the lower edge of the opening 11. Together with a web 17, this edge forms a stop surface 18.
  • the snap mechanism To open the cover 2, the snap mechanism must be brought into an open position. To do this, the user accesses z. B. with the index finger behind the handle 9 and presses with the thumb on the tongue 15. In this way, he exerts lateral forces K2 and K3. The edge area of the cover 2 deforms elastically outwards. At the same time, an elastic deformation of the nose 15, the head region 14 and the neck 12 is brought about inwards. The nose 15 moves inwards from the support surface 18, so that the cover is released and can be opened.
  • the snap mechanism If the snap mechanism is in its closed position and a very large tensile force K1 'is exerted on the cover, the snap mechanism is brought into a securing position, which is shown in FIG. 6.
  • the head region 14 and the nose 15 deform, and the nose 15 slides outward from the stop surface 18.
  • the stop surface is raised somewhat and hook-like from the head region 14 captured. This prevents a further upward movement of the cover 2.
  • the lid 2 could only be raised further with considerable deformation or even destruction of the snap mechanism.
  • the support surface 18 is slightly beveled outward.
  • the nose is already in its normal closed position near the outer edge of the support surface 18.
  • the desired deformation is further supported by the fact that the curved head region 14 is inevitably widened somewhat by the force K1 ′ and slightly inclined inwards, so that the nose 15 comes to an outward position.
  • the neck 12 is stiffer, on the other hand, so that the head region 14 and the nose 15 cannot pivot inwards as a whole.
  • the embodiment of the invention shown in the figures is easy to manufacture using injection molding technology.
  • the neck 12 was formed as part of the outer wall 6, so that the area under the head 14 is easily accessible and can be removed from the mold in one working step.
  • the two closure members are formed in one piece on the lower part 1 or on the base 2 and do not require any further work steps for their production.
  • the container is extremely stable. Even if it falls on the floor from a greater height, the lid does not come off. Lateral cover forces are transmitted through the groove 5 or suitable reinforcing ribs to the lower part 1, while tensile forces are safely absorbed by the snap mechanism.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Table Devices Or Equipment (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

The snap connection incorporates two elements (9-17). One of the two elements forms part of the lid (2) and the other forms part of the bottom part (1). In a closed position, a lug (15) of one element abuts against a thrust surface of the second element. At least one of the elements presses the lug into a first direction by the thrust surface in order to open the container by elastic deformation. The lug is positioned on a holder (14) which has a curved top part between the lug and a reinforced neck part (12).

Description

Die Erfindung betrifft einen Kunststoffbehälter gemäss dem Oberbegriff von Anspruch 1.The invention relates to a plastic container according to the preamble of claim 1.

Behälter dieser Art werden zum Beispiel zum Transport von Gütern eingesetzt. Dabei werden hohe Anforderungen an die Stabilität der Behälter gestellt. Insbesondere sollte der Deckel sicher am Behälter befestigt werden können, so dass er sich auch bei unsorgfältiger Behandlung nicht öffnet. Bisher wurden zur Befestigung des Deckels deshalb relativ aufwendige Lösungen zum Beispiel auf der Basis von Federstahlklemmen gewählt, die umständlich zu bedienen und/oder teuer waren.Containers of this type are used, for example, to transport goods. This places high demands on the stability of the containers. In particular, the lid should be able to be securely attached to the container so that it does not open even when handled improperly. So far, therefore, relatively complex solutions, for example based on spring steel clamps, have been chosen for fastening the cover, which are cumbersome to use and / or were expensive.

Es stellt sich deshalb die Aufgabe, einen Behälter der eingangs genannten Art bereitzustellen, dessen Verschluss einfach aufgebaut ist und dennoch ausreichende Sicherheit gewährt.It is therefore the task of providing a container of the type mentioned at the outset, the closure of which is simple in construction and nevertheless ensures adequate security.

Diese Aufgabe wird vom Behälter gemäss Anspruch 1 erfüllt.This object is achieved by the container according to claim 1.

Wird also der Deckel des erfindungsgemässen Behälters einer Öffnungskraft ausgesetzt, ohne dass die Verschlussorgane vorher in die Offenstellung gebracht werden, so gehen die Verschlussorgane in eine Sicherungsstellung über, in der sie eine gegenüber der Öffnungskraft formfeste Verbindung bilden. Durch die Öffnungskraft kann diese Verbindung ohne irreversible Beschädigung der Verschlussorgane nicht gelöst werden.Thus, if the lid of the container according to the invention is exposed to an opening force without the closure members being brought into the open position beforehand, the closure members pass into a securing position in which they form a connection which is dimensionally stable with respect to the opening force. Due to the opening force, this connection cannot be released without irreversible damage to the closure members.

Dabei können die Verschlussorgane so aufgebaut werden, dass sie in der Verschlussstellung nicht elastisch verformt sind. Dies ist von grossem Vorteil, da Verschlussorgane aus Kunststoff unter Belastung zum Kriechen neigen.The closure members can be constructed so that they are not elastically deformed in the closed position. This is of great advantage, since plastic closure elements tend to creep under load.

Eine mechanisch sehr einfache Ausführung der Erfindung besteht darin, dass das eine Verschlussorgan eine Nase aufweist, die in der Verschlussstellung gegen eine Anschlagfläche des zweiten Organs stösst. Darunter ist nicht notwendigerweise ein dauernder Kontakt der Nase mit der Anschlagfläche zu verstehen, die Geometrie kann auch so gewählt werden, dass die Nase lediglich bei Ausübung einer leichten Öffnungskraft an die Anschlagfläche stösst. Zum Öffnen des Deckels muss die Nase gegenüber der Anschlagfläche in einer ersten Richtung fortgeschoben werden. Bei gewaltsamer Öffnung, bei der die Kräfte aus einer anderen Richtung wirken, wird die Nase in eine zweite Richtung gegenüber der Anschlagfläche versetzt. Die Verschlussorgane können dabei so ausgeformt werden, dass eine Verschiebung der Nase in die zweite Richtung zum Beispiel dazu führt, dass sich das eine Verschussorgan hakenartig über die Anschlagfläche legt.A mechanically very simple embodiment of the invention consists in the fact that the one closure member has a nose which, in the closed position, counteracts strikes a stop surface of the second organ. This does not necessarily mean permanent contact of the nose with the stop surface, the geometry can also be chosen such that the nose only hits the stop surface when a slight opening force is exerted. To open the lid, the nose must be pushed in a first direction opposite the stop surface. In the event of a violent opening in which the forces act from a different direction, the nose is displaced in a second direction opposite the stop surface. The closure members can be shaped in such a way that a displacement of the nose in the second direction, for example, results in the one closure member being placed over the stop surface like a hook.

Weitere Vorteile und wichtige Aspekte des erfindungsgemässen Behälters ergeben sich aus der nun folgenden Beschreibung anhand der Figuren. Dabei zeigen:

  • Figur 1 eine Gesamtansicht einer Ausführung des erfindungsgemässen Behälters,
  • Figur 2 einen Teilschnitt durch den Schnappmechanismus des Behälters von Figur 1,
  • Figur 3 eine Vorderansicht des Schnappmechanismus,
  • Figur 4 einen Vertikalschnitt durch den Schnappmechanismus,
  • Figur 5 eine Draufsicht auf den Behälter-Unterteil ohne Deckel im Bereich des Schnappmechanismus, und
  • Figur 6 einen Vertikalschnitt durch den Schnappmechanismus in seiner Sicherungsstellung.
Further advantages and important aspects of the container according to the invention result from the following description with reference to the figures. Show:
  • FIG. 1 shows an overall view of an embodiment of the container according to the invention,
  • FIG. 2 shows a partial section through the snap mechanism of the container from FIG. 1,
  • FIG. 3 shows a front view of the snap mechanism,
  • FIG. 4 shows a vertical section through the snap mechanism,
  • Figure 5 is a plan view of the lower part of the container without a lid in the area of the snap mechanism, and
  • 6 shows a vertical section through the snap mechanism in its securing position.

Der Grundaufbau eines erfindungsgemässen Behälters ist aus Fig. 1 ersichtlich. Bei dem hier gezeigten Ausführungsbeispiel handelt es sich um einen im Spritzgussverfahren hergestellten Kunststoffbehälter von etwa zehn Litern Inhalt.The basic structure of a container according to the invention can be seen in FIG. 1. The embodiment shown here is an injection molded plastic container of about ten liters.

Der Behälter ist zweiteilig aufgebaut und umfasst einen Unterteil 1 und einen Deckel 2. Der obere Randbereich 3 des Unterteils 1 ist zweiwandig verstärkt. Wie in Fig. 2 dargestellt, greift die innere Wand 4 des Randbereichs 3 in eine umlaufende Nut 5 des Deckels 2 und verhindert eine seitliche Verschiebung des Deckels 2 gegenüber dem Unterteil 1. Die Aussenwand 6 des Randbereichs 3 ist bündig zum vertikalen Deckelrand 7.The container is constructed in two parts and comprises a lower part 1 and a lid 2. The upper one Edge region 3 of the lower part 1 is reinforced with two walls. As shown in FIG. 2, the inner wall 4 of the edge area 3 engages in a circumferential groove 5 of the cover 2 and prevents a lateral displacement of the cover 2 with respect to the lower part 1. The outer wall 6 of the edge area 3 is flush with the vertical cover edge 7.

Zur lösbaren Befestigung des Deckels 2 am Unterteil 1 sind im vorliegenden Beispiel an gegenüberliegenden Behälterseiten zwei Schnappmechanismen vorgesehen, von denen in den Figuren 1 und 2 nur einer zu sehen ist. Je nach Grösse und Form des Behälters kann die Zahl der Schnappmechanismen jedoch auch grösser oder kleiner sein.For the releasable fastening of the cover 2 to the lower part 1, two snap mechanisms are provided in the present example on opposite container sides, of which only one can be seen in FIGS. 1 and 2. Depending on the size and shape of the container, the number of snap mechanisms can also be larger or smaller.

Der Aufbau des Schnappmechanismus wird im folgenden anhand der Figuren 2 bis 5 erläutert.The structure of the snap mechanism is explained below with reference to FIGS. 2 to 5.

Der Schnappmechanismus besteht aus zwei Verschlussorganen, von denen das eine am Deckel 2 und das andere am Unterteil 1 ausgeformt ist. Am Unterteil 1 umfasst das Verschlussorgan eine Zunge 12, 14, 15, am Deckel eine Öffnung 11 und einen Griff 9.The snap mechanism consists of two closure members, one of which is formed on the cover 2 and the other on the lower part 1. The closure member comprises a tongue 12, 14, 15 on the lower part 1, an opening 11 and a handle 9 on the lid.

Die Zunge besitzt einen Hals 12, der von einen zurückversetzten Bereich der vertikalen Aussenwand 6 des Randbereichs 3 gebildet wird. Der Hals 12 ist mit zwei Stegen 13 verstärkt. Im unteren Bereich des Halses 12 erstrecken sich diese Stege bis zur Innenwand 4, nach oben sind sie verjüngt. An seinem oberen Ende geht der Hals 12 in einen Kopfbereich 14 über, der einen bogenförmigen Übergang zu einer Zunge 15 bildet. An seiner Innenseite ist der Kopf 14 durch drei Stege 16 verstärkt.The tongue has a neck 12 which is formed by a recessed area of the vertical outer wall 6 of the edge area 3. The neck 12 is reinforced with two webs 13. In the lower region of the neck 12, these webs extend to the inner wall 4, they are tapered at the top. At its upper end, the neck 12 merges into a head region 14, which forms an arcuate transition to a tongue 15. On the inside, the head 14 is reinforced by three webs 16.

Die Nase 15 liegt bündig zur Aussenseite des Deckel-Randbereichs. Damit wird eine unbeabsichtigte Betätigung oder ein Verhaken mit anderen Gegenständen vermieden.The nose 15 lies flush with the outside of the lid edge area. This prevents accidental activation or jamming with other objects.

Das untere Ende der Nase 15 berührt den unteren Rand der Öffnung 11. Dieser Rand bildet zusammen mit einem Steg 17 eine Anschlagfläche 18.The lower end of the nose 15 touches the lower edge of the opening 11. Together with a web 17, this edge forms a stop surface 18.

In den Figuren 1 bis 5 wird der Schnappmechanismus in seiner Verschlussstellung gezeigt. In dieser Stellung wirkt er einer Öffnung des Deckels entgegen. Wird auf den Deckel 2 eine nicht allzu grosse Zugkraft K1 ausgeübt (vgl. Fig. 4), so wird diese über die Anschlagfläche 18 auf die Nase 16 und somit auf den Unterteil 1 übertragen.In Figures 1 to 5, the snap mechanism is shown in its closed position. In this position, it counteracts an opening of the lid. If a not too great tensile force K1 is exerted on the cover 2 (cf. FIG. 4), this is transmitted via the stop surface 18 to the nose 16 and thus to the lower part 1.

In der Verschlussstellung sind alle Teile des Schnappmechanismus entspannt, d.h. keiner elastischen Verformung unterworfen. Dadurch wird ein Kriechen des Kunststoffs und eine bleibende Verformung der Teile verhindert.In the closed position, all parts of the snap mechanism are relaxed, i.e. not subject to elastic deformation. This prevents the plastic from creeping and permanent deformation of the parts.

Zum Öffnen des Deckels 2 muss der Schnappmechanismus in eine Offenstellung gebracht werden. Hierzu greift der Benutzer z. B. mit dem Zeigefinger hinter den Griff 9 und drückt mit dem Daumen auf die Zunge 15. Auf diese Weise übt er seitliche Kräfte K2 und K3 aus. Dabei verformt sich der Randbereich des Deckels 2 elastisch nach aussen. Gleichzeitig wird eine elastische Verformung der Nase 15, des Kopfbereichs 14 und des Halses 12 nach innen bewirkt. Dabei bewegt sich die Nase 15 von der Auflagefläche 18 nach innen, so dass der Deckel frei kommt und geöffnet werden kann.To open the cover 2, the snap mechanism must be brought into an open position. To do this, the user accesses z. B. with the index finger behind the handle 9 and presses with the thumb on the tongue 15. In this way, he exerts lateral forces K2 and K3. The edge area of the cover 2 deforms elastically outwards. At the same time, an elastic deformation of the nose 15, the head region 14 and the neck 12 is brought about inwards. The nose 15 moves inwards from the support surface 18, so that the cover is released and can be opened.

Zum Schliessen des Deckels 2 wird dieser einfach auf den Unterteil 1 gesetzt. Dabei drängen der Griff 9 und der Steg 17 den abgeschrägten Kopf 14 nach innen. Sobald die Nase 15 auf der Höhe der Öffnung 11 angelangt ist, federt der Kopf wieder nach aussen in die Verschlussstellung.To close the lid 2, it is simply placed on the lower part 1. The handle 9 and the web 17 push the beveled head 14 inwards. As soon as the nose 15 has reached the level of the opening 11, the head springs outwards again into the closed position.

Befindet sich der Schnappmechanismus in seiner Verschlussstellung und wird eine sehr grosse Zugkraft K1' auf den Deckel ausgeübt, so wird der Schnappmechanismus in eine Sicherungsstellung gebracht, die in Fig. 6 dargestellt ist. Dabei verformen sich der Kopfbereich 14 und die Nase 15, und die Nase 15 rutscht nach aussen von den Anschlagfläche 18 ab. Die Anschlagfläche wird etwas angehoben und vom Kopfbereich 14 hakenartig festgehalten. Dadurch wird eine weitere Aufwärtsbewegung des Deckels 2 verhindert. Der Deckel 2 könnte nur unter erheblicher Verformung oder gar Zerstörung des Schnappmechanismus weiter angehoben werden.If the snap mechanism is in its closed position and a very large tensile force K1 'is exerted on the cover, the snap mechanism is brought into a securing position, which is shown in FIG. 6. The head region 14 and the nose 15 deform, and the nose 15 slides outward from the stop surface 18. The stop surface is raised somewhat and hook-like from the head region 14 captured. This prevents a further upward movement of the cover 2. The lid 2 could only be raised further with considerable deformation or even destruction of the snap mechanism.

Damit sich die Nase 15 bei grösserer Kraft K1' automatisch nach aussen schiebt, ist im vorliegenden Ausführungsbeispiel die Auflagefläche 18 nach aussen etwas abgeschrägt. Ausserdem steht die Nase bereits in ihrer normalen Verschlussposition nahe der äusseren Kante der Auflagefläche 18. Weiter wird die gewünschte Verformung dadurch unterstützt, dass der gebogene Kopfbereich 14 durch die Kraft K1' zwangsläufig etwas aufgeweitet und leicht nach innen geneigt wird, so dass die Nase 15 in eine nach aussen gerichtete Stellung kommt. Der Hals 12 ist andererseits steifer ausgeführt, so dass der Kopfbereich 14 und die Nase 15 nicht als Ganzes nach innen schwenken können. Diese verschiedenen Massnahmen ergänzen sich im vorliegenden Beispiel ideal, können jedoch auch einzeln für sich eingesetzt werden, um zu bewirken, dass die Nase 15 bei grosser Kraft K1' nach vorne von der Auflagefläche 18 rutscht.So that the nose 15 automatically pushes outward when the force K1 ′ is greater, in the present exemplary embodiment the support surface 18 is slightly beveled outward. In addition, the nose is already in its normal closed position near the outer edge of the support surface 18. The desired deformation is further supported by the fact that the curved head region 14 is inevitably widened somewhat by the force K1 ′ and slightly inclined inwards, so that the nose 15 comes to an outward position. The neck 12 is stiffer, on the other hand, so that the head region 14 and the nose 15 cannot pivot inwards as a whole. These various measures complement each other ideally in the present example, but can also be used individually to cause the nose 15 to slide forward from the contact surface 18 when the force K1 ′ is high.

Die in den Figuren gezeigte Ausführung der Erfindung ist in Spritzgusstechnik einfach herzustellen. Hierzu wurde der Hals 12 als Teil der Aussenwand 6 geformt, so dass der Bereich unter dem Kopf 14 gut zugänglich und in einem Arbeitsschritt entformbar ist. Die beiden Verschlussorgane sind einstückig am Unterteil 1 bzw. am Boden 2 ausgeformt und benötigen zu ihrer Herstellung keine weiteren Arbeitsschritte.The embodiment of the invention shown in the figures is easy to manufacture using injection molding technology. For this purpose, the neck 12 was formed as part of the outer wall 6, so that the area under the head 14 is easily accessible and can be removed from the mold in one working step. The two closure members are formed in one piece on the lower part 1 or on the base 2 and do not require any further work steps for their production.

Durch seinen hier beschriebenen Aufbau ist der Behälter äusserst stabil. Selbst wenn er aus grösserer Höhe auf den Boden fällt, springt der Deckel nicht ab. Seitliche Deckelkräfte werden durch die Nut 5 bzw. geeignete Verstärkungsrippen auf den Unterteil 1 übertragen, während Zugkräfte sicher durch den Schnappmechanismus aufgefangen werden.Due to the construction described here, the container is extremely stable. Even if it falls on the floor from a greater height, the lid does not come off. Lateral cover forces are transmitted through the groove 5 or suitable reinforcing ribs to the lower part 1, while tensile forces are safely absorbed by the snap mechanism.

Claims (15)

Kunststoffbehälter mit einem Unterteil (1) und einem Deckel (2) sowie mindestens einem Schnappmechanismus (9-18) zur Befestigung des Deckels (2) am Unterteil (1), wobei der Schnappmechanismus zwei Organe (12-15; 9, 11, 17, 18) aufweist, die in einer Verschlussstellung ineinander eingeschnappt sind und einem Öffnen des Deckels (2) entgegenwirken, und die unter Verformung zum Öffnen des Deckels (2) in eine Offenstellung bringbar sind, dadurch gekennzeichnet, dass durch Ausübung einer ausreichenden Öffenkraft (K1') auf den Deckel die Organe aus der Verschlussstellung in eine Sicherungsstellung bringbar sind, in welcher sie eine gegen die Öffenkraft formfest wirkende Verbindung bilden.Plastic container with a lower part (1) and a lid (2) and at least one snap mechanism (9-18) for fastening the lid (2) to the lower part (1), the snap mechanism having two organs (12-15; 9, 11, 17 , 18) which are snapped into one another in a closed position and counteract opening of the cover (2), and which can be brought into an open position by deformation to open the cover (2), characterized in that by exerting a sufficient opening force (K1 ') the organs can be moved from the closed position into a securing position on the cover, in which they form a connection which acts in a form-tight manner against the opening force. Kunststoffbehälter nach Anspruch 1, dadurch gekennzeichnet, dass die Organe in der Verschlussstellung entspannt sind.Plastic container according to claim 1, characterized in that the organs are relaxed in the closed position. Kunststoffbehälter nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass eines der Organe einstückig am Deckel (2) und das andere der Organe einstückig am Unterteil (1) ausgeformt ist.Plastic container according to one of the preceding claims, characterized in that one of the organs is integrally formed on the lid (2) and the other of the organs is integrally formed on the lower part (1). Kunststoffbehälter nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass in der Verschlussstellung eine Nase (15) eines ersten der Organe gegen eine Anschlagfläche (18) des zweiten Organs stösst, wobei zum Überführen der Organe in die Offenstellung durch elastische Verformung mindestens eines der Organe die Nase (15) in eine erste Richtung von der Anschlagfläche (18) drängbar ist, und dass zum Überführen der Organe in die Sicherungsstellung durch Ausübung der Öffenkraft die Nase (15) in eine andere, zweite Richtung von der Anschlagfläche (18) drängbar ist.Plastic container according to one of the preceding claims, characterized in that in the closed position a nose (15) of a first of the organs abuts against a stop surface (18) of the second organ, the at least one of the organs being used to transfer the organs into the open position by elastic deformation Nose (15) can be pushed in a first direction by the stop surface (18), and that the nose (15) can be pushed in another, second direction by the stop surface (18) in order to transfer the organs into the securing position by exerting the opening force. Kunststoffbehälter nach Anspruch 4, dadurch gekennzeichnet, dass die Nase (15) an einem Hakenorgan (14) angeordnet ist, welches sich in der Sicherungsstellung über die Anschlagfläche (18) legt.Plastic container according to claim 4, characterized in that the nose (15) on one Hook element (14) is arranged, which lies in the securing position over the stop surface (18). Kunststoffbehälter nach Anspruch 5, dadurch gekennzeichnet, dass das Hakenorgan (14) einen gebogenen Kopfbereich zwischen der Nase und einem Halsbereich (12) bildet, wobei der Halsbereich (12) derart verstärkt ist, dass er sich bei Ausübung der Öffenkraft weniger verformt als der Kopfbereich und/oder die Nase (15).Plastic container according to claim 5, characterized in that the hook member (14) forms a curved head region between the nose and a neck region (12), the neck region (12) being reinforced in such a way that it deforms less when the opening force is exerted than the head region and / or the nose (15). Kunststoffbehälter nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass die Anschlagfläche (18) in der zweiten Richtung abgeschrägt ist.Plastic container according to one of claims 4 to 6, characterized in that the stop surface (18) is chamfered in the second direction. Kunststoffbehälter nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, dass in einem Randbereich des Deckels (2) eine Öffnung (11) angeordnet ist, deren unterer Rand die Anschlagfläche (18) bildet, und dass die Nase (15) mit dem Unterteil (1) verbunden ist.Plastic container according to one of claims 4 to 7, characterized in that an opening (11) is arranged in an edge region of the lid (2), the lower edge of which forms the stop surface (18), and that the nose (15) with the lower part ( 1) is connected. Kunststoffbehälter nach Anspruch 8, dadurch gekennzeichnet, dass der untere Rand der Öffnung (11) mittels eines Stegs (17) verbreitert ist.Plastic container according to claim 8, characterized in that the lower edge of the opening (11) is widened by means of a web (17). Kunststoffbehälter nach einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, dass die Nase (15) in der Verschlussstellung gegen einen äusseren Bereich der Anschlagfläche (18) stösst.Plastic container according to one of claims 8 or 9, characterized in that the nose (15) abuts an outer region of the stop surface (18) in the closed position. Kunststoffbehälter nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass die Nase (15) in der Verschlussstellung von innen in die Öffnung (11) ragt.Plastic container according to one of claims 8 to 10, characterized in that the nose (15) projects from the inside into the opening (11) in the closed position. Kunststoffbehälter nach Anspruch 11, dadurch gekennzeichnet, dass in der Verschlussstellung eine Aussenseite der Nase (15) im wesentlichen bündig mit einer Aussenseite des Randbereichs des Deckels (2) ist.Plastic container according to claim 11, characterized in that in the closed position an outside of the nose (15) is substantially flush with an outside of the edge region of the lid (2). Kunststoffbehälter nach einem der Ansprüche 11 oder 12, dadurch gekennzeichnet, dass zum Überführen der Organe in die Offenstellung die Öffnung (11) elastisch nach aussen und die Nase (15) elastisch nach innen drängbar ist.Plastic container according to one of claims 11 or 12, characterized in that the opening for transferring the organs into the open position (11) elastically outwards and the nose (15) can be elastically pushed inwards. Kunststoffbehälter nach Anspruch 13, dadurch gekennzeichnet, dass der Randbereich des Deckels (2) im Bereich der Öffnung (11) nach unten in ein Grifforgan (9) verlängert ist.Plastic container according to claim 13, characterized in that the edge region of the lid (2) in the region of the opening (11) is extended downwards into a grip organ (9). Kunststoffbehälter nach einem der Ansprüche 8 bis 14, dadurch gekennzeichnet, dass die Nase (15) an einem Hakenorgan (14) angeordnet ist, welches sich in der Sicherungsstellung über die Anschlagfläche (18) legt, wobei das Hakenorgan (14) einen gebogenen Kopfbereich zwischen der Nase und einem Halsbereich (12) bildet, und wobei der Halsbereich (12) Teil einer Aussenwand (6) des Unterteils (1) ist.Plastic container according to one of claims 8 to 14, characterized in that the nose (15) is arranged on a hook member (14) which in the secured position lies over the stop surface (18), the hook member (14) having a curved head region between the nose and a neck area (12), and wherein the neck area (12) is part of an outer wall (6) of the lower part (1).
EP96115423.4A 1995-10-02 1996-09-26 Plastic container with a lid and snap closure Expired - Lifetime EP0767106B3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2765/95 1995-10-02
CH276595 1995-10-02

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EP0767106A1 true EP0767106A1 (en) 1997-04-09
EP0767106B1 EP0767106B1 (en) 1999-05-12
EP0767106B3 EP0767106B3 (en) 2014-11-19

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AT (1) ATE179945T1 (en)
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
US7810302B2 (en) 2005-10-25 2010-10-12 Kraft Foods Global Brands Llc Method of forming reclose mechanism in a reclosable package

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7172779B2 (en) 2002-09-27 2007-02-06 Kraft Foods Holdings, Inc. Container for sliced and fluffed food products
US8911807B2 (en) 2009-11-06 2014-12-16 Kraft Foods Group Brands Llc Container for sliced and fluffed food products

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Publication number Priority date Publication date Assignee Title
US3840152A (en) * 1973-06-18 1974-10-08 None Such Enterprises Inc Sealable and resealable container
EP0168877A1 (en) * 1984-07-02 1986-01-22 Wiva Verpakkingen B.V. Container with locking cover
US5346069A (en) * 1992-09-24 1994-09-13 Intini Thomas D Container

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840152A (en) * 1973-06-18 1974-10-08 None Such Enterprises Inc Sealable and resealable container
EP0168877A1 (en) * 1984-07-02 1986-01-22 Wiva Verpakkingen B.V. Container with locking cover
US5346069A (en) * 1992-09-24 1994-09-13 Intini Thomas D Container

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7810302B2 (en) 2005-10-25 2010-10-12 Kraft Foods Global Brands Llc Method of forming reclose mechanism in a reclosable package
US10183766B2 (en) 2005-10-25 2019-01-22 Kraft Foods Group Brands Llc Method for forming a reclose mechanism on a reclosable package
US11034469B2 (en) 2005-10-25 2021-06-15 Kraft Foods Group Brands Llc Method for forming a reclose mechanism on a reclosable package

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ATE179945T1 (en) 1999-05-15
EP0767106B3 (en) 2014-11-19
EP0767106B1 (en) 1999-05-12

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