EP0784019A1 - Angular fastening device - Google Patents

Angular fastening device Download PDF

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Publication number
EP0784019A1
EP0784019A1 EP96440032A EP96440032A EP0784019A1 EP 0784019 A1 EP0784019 A1 EP 0784019A1 EP 96440032 A EP96440032 A EP 96440032A EP 96440032 A EP96440032 A EP 96440032A EP 0784019 A1 EP0784019 A1 EP 0784019A1
Authority
EP
European Patent Office
Prior art keywords
packaging
appearance
food products
cover
wall
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
EP96440032A
Other languages
German (de)
French (fr)
Other versions
EP0784019B1 (en
Inventor
François Guillin
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.)
Groupe Guillin SA
Original Assignee
Groupe Guillin 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
Application filed by Groupe Guillin SA filed Critical Groupe Guillin SA
Priority to DE69600045T priority Critical patent/DE69600045T2/en
Priority to AT96440032T priority patent/ATE156087T1/en
Priority to ES96440032T priority patent/ES2105915T3/en
Priority to EP96440032A priority patent/EP0784019B1/en
Priority to US08/819,798 priority patent/US5833116A/en
Publication of EP0784019A1 publication Critical patent/EP0784019A1/en
Application granted granted Critical
Publication of EP0784019B1 publication Critical patent/EP0784019B1/en
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
    • 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
    • B65D43/0206—Removable lids or covers without integral tamper element secured by snapping over beads or projections inside a peripheral U-shaped channel in 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
    • B65D51/1622—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a passage for the escape of gas between the closure and the lip of the container mouth
    • B65D51/1627—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a passage for the escape of gas between the closure and the lip of the container mouth the closure being for a box-like 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
    • B65D2543/00018—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
    • B65D2543/00342—Central part of the lid
    • B65D2543/00351—Dome-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
    • 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
    • B65D2543/00453—Contact between the container and the lid in a peripheral U-shaped channel of the container
    • B65D2543/00462—Contact between the container and the lid in a peripheral U-shaped channel of the container peripheral U-shaped channel of the lid
    • 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
    • B65D2543/00546—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
    • B65D2543/00574—Contact between the container and the lid secured locally, i.e. a lot less than half the periphery
    • 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
    • B65D2543/0062—Groove or hollow 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
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00694—Segments
    • 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
    • B65D2543/00768—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
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality

Definitions

  • the present invention relates to a packaging for the packaging of food products of the type comprising ventilation slots between the bottom and the lid of said packaging.
  • the functional areas for closure are therefore limited, imposing a particular design intended to give said closure mechanical characteristics suitable for the use of said packaging.
  • it should be easy to handle, but the closure should be secure despite its limited application surface.
  • Hinged packaging has drawbacks, however, including for example the fact that they are inconvenient to stack, since it is preferable to stack the body, and that poorly stacked lids cause considerable space to be lost.
  • This type of packaging is also used for particular applications, not concerned by the packaging of the invention, the cover of which is completely removable, and which has four lateral slots, consequently requiring a clean closure system.
  • the latter has also been designed so that it can optimize the closure between the bottom and the cover, whatever the degree of mechanization of this operation.
  • This system which therefore applies to packages with two distinct elements, each comprising a peripheral border whose respective traces allow the existence of lateral slits in the closed position of said cover, is characterized in that it comprises means for closure located in the angular zones of the packaging, having the appearance of grooves located in the vicinity of the outer edge of one of the elements and cooperating in said angular zones with the peripheral rim of the other element.
  • said closure means in the form of grooves comprise at the level of said angular zones an outer rim of vertical appearance, then a portion of lower horizontal appearance forming a platform directed towards the interior of the packaging, which is limited in the direction of the center by a vertical-looking wall connected to the wall of the element in which said means are used.
  • the closure means further comprise, between the outer edge and the horizontal platform, an undercut of horizontal appearance, located substantially at the top of said wall, and limiting on any its length the upper opening of said groove.
  • the grooves thus formed are therefore limited to the four angular zones, where they run along the outer edge of the element in which they are formed. They cooperate with particular profiles created in the second element, so as to ensure simple and effective fixing of the cover on the bottom.
  • the peripheral edge of the second element constituting the packaging comprises in the angular zones a flat surface intended to rest on said portion of horizontal shape forming a platform in the aforementioned groove.
  • said flat surface is limited on the one hand towards the outside by an external rim intended to be housed between the platform and the undercut, and on the other hand by the wall of said second element, the orientation allows it to come into contact with said low wall.
  • the cooperation between the two elements is in fact achieved by clipping one into the other, the peripheral border of one being dimensionally, that is to say both horizontally and vertically, adapted to the other.
  • the closure means having the appearance of grooves are located on the bottom of the packaging.
  • the ventilation slots are provided in the course of the rim of the cover.
  • the profile of the male-type rim be provided with a certain elasticity which allows it to be inserted under the locking undercut.
  • the packaging of the invention consists of a bottom 1 and a cover 2.
  • the latter is provided with side slots 3 allowing ventilation.
  • This view shows particularly clearly the four angular closing zones F1, F2, F3 and F4, limiting two by two each lateral slot 3.
  • FIG. 2 shows in even more detail the configuration of the cover 2, in which said slots 3 are made, excluding the bottom 1.
  • This cover has a peripheral border 4 which runs along the entire periphery, including said zones F1 to F4. However, only the latter zones are effectively functional for closure.
  • On the part F1 appears the flat surface 5 limited towards the outside by a rim 6 which rises in a direction substantially parallel to the wall 7 of the cover.
  • FIG. 5 shows a diagonal cross section along the arrows III-III of FIG. 3.
  • the length of the edge 6 is provided to cooperate with the corresponding vertical-looking portion of the bottom 1 Likewise, the width of the surface 5 corresponds substantially to that of the groove.
  • the peripheral end 10 has a horizontal portion contiguous to a vertical outer portion, and it does not play a role in the closing mechanism itself. However, it can serve as support for the user at the time of the opening operation.
  • the undercut 12 overhanging the horizontal platform 13 and facing the wall 14. The latter is connected to the wall 15 of the bottom.
  • the assembly is locked, and a simple vertical pressure is not enough to modify the connection, no more than a pull of one element to move it away from the other.

Abstract

The container consists of a base and a lid which are shaped to leave aeration slits between their adjoining surfaces when fitted together. The corners of the base have recessed elements inside their edges (10), made with channels (11) to receive corner projections on the lid. Each channel (11) has a flat base (13) and vertical sides. An inward projecting lip (12) on the outer vertical side engages with a lid corner projection.

Description

La présente invention concerne un emballage pour le conditionnement de produits alimentaires du type comportant des fentes d'aération entre le fond et le couvercle dudit emballage.The present invention relates to a packaging for the packaging of food products of the type comprising ventilation slots between the bottom and the lid of said packaging.

L'existence de ces fentes, lorsqu'elles sont localisées sur les quatre faces, impose une structure particulière du système de fermeture, car lesdites fentes sont généralement réalisées entre le fond et le couvercle, à l'aide d'un tracé particulier de l'un ou de l'autre de ces éléments.The existence of these slots, when they are located on the four faces, imposes a particular structure of the closure system, since said slots are generally made between the bottom and the cover, using a particular layout of the either of these.

Les zones fonctionnelles pour la fermeture sont de ce fait limitées, imposant une conception particulière destinée à conférer à ladite fermeture des caractéristiques mécaniques adaptées à l'usage desdits emballages. Il convient en particulier que les manipulations soient aisées, mais que la fermeture soit sûre malgré sa surface d'application limitée.The functional areas for closure are therefore limited, imposing a particular design intended to give said closure mechanical characteristics suitable for the use of said packaging. In particular, it should be easy to handle, but the closure should be secure despite its limited application surface.

Lorsque les quatre faces sont dotées de fentes, comme c'est le cas dans l'emballage de l'invention, le système de fermeture est distribué dans les coins, dans les quatre zones angulaires. Il s'agit alors de trouver un compromis entre la taille desdites fentes d'aération, dont l'efficacité fonctionnelle est évidemment proportionnelle à la dimension, et la dimension/conception de chaque mécanisme de fermeture angulaire.When the four faces are provided with slots, as is the case in the packaging of the invention, the closure system is distributed in the corners, in the four angular zones. It is then a question of finding a compromise between the size of said ventilation slots, the functional efficiency of which is obviously proportional to the dimension, and the dimension / design of each angular closure mechanism.

La plupart des boîtes de conditionnement de produits alimentaires connues à ce jour ne présentent des fentes que sur trois côtés, le quatrième étant occupé par une charnière qui simplifie considérablement le problème de la conception des systèmes de fermeture placés sur la face opposée. En général, il s'agit de plots coopérant avec des logements dont le rebord extérieur permet un ajustement serré avec lesdits pots.Most of the food packaging boxes known to date have slots on only three sides, the fourth being occupied by a hinge which considerably simplifies the problem of the design of packaging systems. closure placed on the opposite side. In general, these are studs cooperating with housings whose outer rim allows a tight fit with said pots.

Les emballages à charnières présentent toutefois des inconvénients, dont par exemple le fait qu'ils soient mal commodes à gerber, puisqu'il faut empiler de préférence le corps, et que les couvercles mal gerbés font perdre un espace considérable. Ce type d'emballage est en outre utilisé pour des applications particulières, non concernées par l'emballage de l'invention dont le couvercle est totalement amovible, et qui présente quatre fentes latérales nécessitant par conséquent un système de fermeture propre.Hinged packaging has drawbacks, however, including for example the fact that they are inconvenient to stack, since it is preferable to stack the body, and that poorly stacked lids cause considerable space to be lost. This type of packaging is also used for particular applications, not concerned by the packaging of the invention, the cover of which is completely removable, and which has four lateral slots, consequently requiring a clean closure system.

Ce dernier a en outre été conçu de sorte qu'il puisse permettre d'optimiser la fermeture entre le fond et le couvercle, quelque soit le degré de mécanisation de cette opération.The latter has also been designed so that it can optimize the closure between the bottom and the cover, whatever the degree of mechanization of this operation.

Ce système, qui s'applique donc à des emballages à deux éléments distincts, comportant chacun une bordure périphérique dont les tracés respectifs permettent l'existence de fentes latérales en position de fermeture dudit couvercle, est caractérisé en ce qu'il comporte des moyens de fermeture localisés dans les zones angulaires de l'emballage, présentant l'allure de gorges situées au voisinage de la bordure extérieure de l'un des éléments et coopérant dans lesdites zones angulaires avec le rebord périphérique de l'autre élément.This system, which therefore applies to packages with two distinct elements, each comprising a peripheral border whose respective traces allow the existence of lateral slits in the closed position of said cover, is characterized in that it comprises means for closure located in the angular zones of the packaging, having the appearance of grooves located in the vicinity of the outer edge of one of the elements and cooperating in said angular zones with the peripheral rim of the other element.

L'existence de ces gorges permet en fait d'aboutir à une fermeture que l'on peut qualifier d'interne, qui facilite aussi bien le couverclage manuel que la pose en automatique des couvercles. Le fait que le couvercle, par exemple, puisse s'insérer dans le fond permet de le rendre plus rigide que dans les configurations dans lesquelles le couvercle coiffe extérieurement le fond. C'est cette rigidité qui facilite l'utilisation de procédés d'automatisation, aussi bien que la manipulation manuelle, et aboutit à rendre l'établissement de la liaison entre les deux éléments très aisé.The existence of these grooves makes it possible in fact to lead to a closure which can be described as internal, which facilitates both manual covering and automatic fitting of the covers. The fact that the cover, for example, can be inserted into the bottom makes it more rigid than in the configurations in which the cover covers the bottom externally. It is this rigidity which facilitates the use of automation methods, as well as manual manipulation, and results in making the establishment of the connection between the two elements very easy.

Plus précisément, lesdits moyens de fermeture en forme de gorges comportent au niveau desdites zones angulaires un rebord extérieur d'allure verticale, puis une portion d'allure horizontale plus basse formant plate-forme dirigée vers l'intérieur de l'emballage, laquelle est limitée en direction du centre par un muret d'allure verticale relié à la paroi de l'élément dans lequel lesdits moyens sont pratiqués.More precisely, said closure means in the form of grooves comprise at the level of said angular zones an outer rim of vertical appearance, then a portion of lower horizontal appearance forming a platform directed towards the interior of the packaging, which is limited in the direction of the center by a vertical-looking wall connected to the wall of the element in which said means are used.

Il y a donc trois portions distinctes formant une configuration femelle de type gorge, à savoir une portion verticale extérieure formant le rebord externe, une portion horizontale constituant la plate-forme et une portion également d'allure verticale constituant le muret, lui-même directement relié à la paroi de l'emballage.There are therefore three distinct portions forming a female configuration of the groove type, namely an outer vertical portion forming the outer rim, a horizontal portion constituting the platform and a portion also of vertical appearance constituting the wall, itself directly connected to the packaging wall.

De manière à assurer le verrouillage, les moyens de fermeture comportent en outre, entre la bordure extérieure et la plate-forme horizontale, une contre-dépouille d'allure horizontale, située sensiblement au niveau de la partie supérieure dudit muret, et limitant sur toute sa longueur l'ouverture supérieure de ladite gorge.In order to ensure locking, the closure means further comprise, between the outer edge and the horizontal platform, an undercut of horizontal appearance, located substantially at the top of said wall, and limiting on any its length the upper opening of said groove.

Les gorges ainsi constituées sont donc limitées aux quatre zones angulaires, où elles longent le rebord extérieur de l'élément dans lequel elles sont formées. Elles coopèrent avec des profils particuliers créés dans le second élément, de manière à assurer une fixation simple et efficace du couvercle sur le fond.The grooves thus formed are therefore limited to the four angular zones, where they run along the outer edge of the element in which they are formed. They cooperate with particular profiles created in the second element, so as to ensure simple and effective fixing of the cover on the bottom.

Selon l'invention, la bordure périphérique du second élément constituant l'emballage comporte dans les zones angulaires une surface plane destinée à reposer sur ladite portion d'allure horizontale formant plate-forme dans la gorge précitée.According to the invention, the peripheral edge of the second element constituting the packaging comprises in the angular zones a flat surface intended to rest on said portion of horizontal shape forming a platform in the aforementioned groove.

Plus précisément, ladite surface plane est limitée d'une part vers l'extérieur par un rebord externe prévu pour se loger entre la plate-forme et la contre-dépouille, et d'autre part par la paroi dudit second élément, dont l'orientation lui permet de venir au contact dudit muret.More precisely, said flat surface is limited on the one hand towards the outside by an external rim intended to be housed between the platform and the undercut, and on the other hand by the wall of said second element, the orientation allows it to come into contact with said low wall.

La coopération entre les deux éléments est en fait réalisée par clipsage de l'un dans l'autre, la bordure périphérique de l'un étant dimensionnellement, c'est à dire à la fois horizontalement et verticalement, adaptée à l'autre.The cooperation between the two elements is in fact achieved by clipping one into the other, the peripheral border of one being dimensionally, that is to say both horizontally and vertically, adapted to the other.

De préférence, les moyens de fermeture présentant l'allure de gorges sont situés sur le fond de l'emballage.Preferably, the closure means having the appearance of grooves are located on the bottom of the packaging.

De préférence encore, les fentes d'aération sont prévues dans le tracé du rebord du couvercle.More preferably, the ventilation slots are provided in the course of the rim of the cover.

Cette configuration particulière permet de faciliter l'automatisation de la pose des couvercles, comme on l'a mentionné auparavant.This particular configuration makes it easier to automate the fitting of the covers, as mentioned previously.

Toutefois, ceci constitue une structure préférentielle qui peut être modifiée. En effet, rien n'interdit de réaliser un tracé des bordures du fond permettant d'y inclure les fentes, voire de réaliser des tracés comportant des fentes similaires et en vis à vis, simultanément dans le fond et dans le couvercle.However, this constitutes a preferential structure which can be modified. Indeed, nothing prohibits making a tracing of the edges of the bottom allowing the slots to be included therein, or even making tracings having similar slits and facing each other, simultaneously in the bottom and in the cover.

Au surplus, il est possible de réaliser les moyens de fermeture femelles (c'est à dire les gorges) dans la bordure du couvercle, alors que le profil s'y adaptant est formé sur le fond.In addition, it is possible to produce the female closing means (that is to say the grooves) in the edge of the cover, while the adapting profile is formed on the bottom.

Ces possibilités, combinées à celles concernant l'existence et la localisation des fentes, permettent d'aboutir à un large éventail de formes pour les emballages de l'invention.These possibilities, combined with those relating to the existence and location of the slots, make it possible to obtain a wide range of shapes for the packages of the invention.

Bien entendu, pour que le clipsage fonctionne correctement , il est nécessaire que le profil du rebord de type mâle soit doté d'une certaine élasticité lu permettant de s'insérer sous la contre-dépouille de blocage.Of course, for the clipping to work properly, it is necessary that the profile of the male-type rim be provided with a certain elasticity which allows it to be inserted under the locking undercut.

Le muret fermant la gorge vers l'intérieur du boîtier est nécessaire pour empêcher tout mouvement relatif parasite du couvercle par rapport au fond lorsqu'une pression verticale est exercée sur ledit couvercle. Ainsi, alors que la plupart des systèmes de fermeture de ce type d'emballages ne nécessitent pas de structure d'allure verticale similaire audit muret intérieur, du fait de l'existence du mécanisme de fermeture sur la totalité de la périphérie, ce type d'emballage requiert cette solution car le couvercle peut se déformer vers l'intérieur entre les zones angulaires d'appui.The wall closing the groove towards the inside of the housing is necessary to prevent any parasitic relative movement of the cover relative to the bottom when a vertical pressure is exerted on said cover. Thus, while most closure systems of this type of packaging do not require a structure with a vertical appearance similar to said interior wall, due to the existence of the closure mechanism over the entire periphery, this type of 'packaging requires this solution because the cover can deform inward between the angular support zones.

L'existence des quatre fentes a donc soulevé un problème technique particulier, résolu par la solution originale de l'invention, intégrant notamment mais non exclusivement ledit muret, et l'associant à la contre-dépouille d'allure horizontale pour former un blocage de longueur limitée. Dans le cas d'un couvercle rigide, cette configuration permet un guidage utile dans une mécanisation de la pose des couvercles.The existence of the four slots therefore raised a particular technical problem, solved by the original solution of the invention, integrating in particular but not exclusively said low wall, and associating it with the undercut of horizontal shape to form a blocking of limited length. In the case of a rigid cover, this configuration allows useful guidance in mechanizing the fitting of the covers.

L'invention va maintenant être décrite plus en détail, au moyen des figures annexées, pour lesquelles :

  • La figure 1 est une vue en perspective de l'ensemble de l'emballage de l'invention ;
  • La figure 2 est une vue en perspective du couvercle seul ;
  • La figure 3 représente une vue de dessus d'une zone angulaire agrandie du fond ;
  • La figure 4 est une coupe du fond, réalisée au niveau des flèches III-III de la vue précédente ;
  • La figure 5 est une coupe du couvercle, selon les mêmes flèches III-III de la figure 3 ; et
  • La figure 6 montre la fixation des moyens de fermeture associés au couvercle dans les moyens de fermeture associés au fond.
The invention will now be described in more detail, by means of the appended figures, for which:
  • Figure 1 is a perspective view of the entire package of the invention;
  • Figure 2 is a perspective view of the cover alone;
  • FIG. 3 represents a top view of an enlarged angular zone of the bottom;
  • Figure 4 is a bottom section, taken at the arrows III-III of the previous view;
  • Figure 5 is a section of the cover, according to the same arrows III-III of Figure 3; and
  • Figure 6 shows the attachment of the closure means associated with the cover in the closure means associated with the bottom.

En se référant à présent à la figure 1, l'emballage de l'invention se compose d'un fond 1 et d'un couvercle 2. Ce dernier est muni de fentes latérales 3 permettant une aération.Referring now to Figure 1, the packaging of the invention consists of a bottom 1 and a cover 2. The latter is provided with side slots 3 allowing ventilation.

Cette vue montre particulièrement clairement les quatre zones de fermeture angulaires F1, F2, F3 et F4, bornant deux à deux chaque fente latérale 3.This view shows particularly clearly the four angular closing zones F1, F2, F3 and F4, limiting two by two each lateral slot 3.

La figure 2 représente de manière encore plus détaillée la configuration du couvercle 2, dans lequel sont pratiquées lesdites fentes 3, à l'exclusion du fond 1.FIG. 2 shows in even more detail the configuration of the cover 2, in which said slots 3 are made, excluding the bottom 1.

Ce couvercle comporte une bordure périphérique 4 qui longe la totalité de la périphérie, y compris lesdites zones F1 à F4. Toutefois, seules ces dernières zones sont effectivement fonctionnelles pour la fermeture. Sur la partie F1 apparaît la surface plane 5 limitée vers l'extérieur par un rebord 6 qui remonte dans une direction sensiblement parallèle à la paroi 7 du couvercle.This cover has a peripheral border 4 which runs along the entire periphery, including said zones F1 to F4. However, only the latter zones are effectively functional for closure. On the part F1 appears the flat surface 5 limited towards the outside by a rim 6 which rises in a direction substantially parallel to the wall 7 of the cover.

Cette vue peut être complétée par celle de la figure 5, qui montre une coupe transversale diagonale selon les flèches III-III de la figure 3. La longueur de la bordure 6 est prévue pour coopérer avec la portion d'allure verticale correspondante du fond 1. De même, la largeur de la surface 5 correspond sensiblement à celle de la gorge.This view can be supplemented by that of FIG. 5, which shows a diagonal cross section along the arrows III-III of FIG. 3. The length of the edge 6 is provided to cooperate with the corresponding vertical-looking portion of the bottom 1 Likewise, the width of the surface 5 corresponds substantially to that of the groove.

Celle-ci apparaît plus en détail en figures 3 et 4. L'extrémité périphérique 10 comporte une portion horizontale contigue à une portion externe verticale, et elle ne joue pas de rôle dans le mécanisme de fermeture proprement dit. Toutefois, elle peut servir d'appui à l'utilisateur au moment de l'opération d'ouverture.This appears in more detail in Figures 3 and 4. The peripheral end 10 has a horizontal portion contiguous to a vertical outer portion, and it does not play a role in the closing mechanism itself. However, it can serve as support for the user at the time of the opening operation.

Entre cette zone périphérique 10 et la gorge 11 se trouve la contre-dépouille 12 surplombant la plate-forme horizontale 13 et faisant face au muret 14. Ce dernier est relié à la paroi 15 du fond.Between this peripheral zone 10 and the groove 11 is the undercut 12 overhanging the horizontal platform 13 and facing the wall 14. The latter is connected to the wall 15 of the bottom.

Lorsque la liaison est réalisée, le couvercle 2 en position fermée sur le fond, ainsi que représenté en figure 6, les surfaces d'allure horizontale 5 et 13 sont au contact l'une de l'autre, de même que la surface 6 est au contact de la paroi latérale de la gorge 11 sous la contre-dépouille de blocage 12, et que la paroi 7 du couvercle 2 est au contact du muret 14.When the connection is made, the cover 2 in the closed position on the bottom, as shown in FIG. 6, the surfaces of horizontal shape 5 and 13 are in contact with each other, just as the surface 6 is in contact with the side wall of the groove 11 under the locking undercut 12, and that the wall 7 of the cover 2 is in contact with the wall 14.

L'ensemble est verrouillé, et une simple pression verticale ne suffit pas à modifier la liaison, non plus qu'une traction d'un élément pour l'écarter de l'autre.The assembly is locked, and a simple vertical pressure is not enough to modify the connection, no more than a pull of one element to move it away from the other.

Alors que pour fermer, du fait de la souplesse et de l'élasticité des rebords 6 de chaque zone F1 à F4 du couvercle 2, il suffit de pousser le couvercle avec une légère force verticale orientée vers le fond, l'opération d'ouverture est plus complexe, du fait du blocage exercé par les contre-dépouilles 12 aux quatre coins.While to close, due to the flexibility and elasticity of the edges 6 of each zone F1 to F4 of the cover 2, it suffices to push the cover with a slight vertical force oriented towards the bottom, the opening operation is more complex, due to the blockage exerted by the undercuts 12 at the four corners.

Il faut en effet exercer une contrainte de séparation appliquée par exemple dans une fente latérale 3, visant à écarter les deux éléments l'un de l'autre, pour obtenir une libération des deux systèmes de fermeture situés aux deux extrémités de ladite fente 3. On joue alors à nouveau préférentiellement sur l'élasticité des bordures externes 6. Ensuite, les mécanismes de fermeture de la face opposée n'opposent pratiquement plus de résistance, puisqu'on peut exercer une rotation du couvercle, d'axe passant par les gorges de cette face.It is indeed necessary to exert a separation constraint applied for example in a lateral slot 3, aiming to separate the two elements from one another, in order to obtain a release of the two closure systems located at the two ends of said slot 3. We then preferably play again on the elasticity of the outer edges 6. Then, the closing mechanisms of the opposite face offer practically no resistance, since it is possible to rotate the cover, with its axis passing through the grooves of this face.

Comme on l'a dit auparavant, la configuration ci-dessus ne doit être considérée que comme un exemple non limitatif de l'invention, dont on a cité des variantes qui sont dans la portée des revendications telles qu'annexées.As said before, the above configuration should only be considered as a non-limiting example of the invention, variants of which have been cited which are within the scope of the claims as annexed.

Claims (7)

Emballage pour le conditionnement de produits alimentaires composé de deux éléments, un fond 1 et un couvercle 2, comportant chacun une bordure périphérique dont les tracés respectifs permettent l'existence de fentes latérales 3 en position de fermeture dudit couvercle 2, caractérisé en ce qu'il comporte des moyens de fermeture localisés dans les zones angulaires F1 à F4 de l'emballage, présentant l'allure de gorges 11 situées au voisinage de la bordure extérieure 10 de l'un des éléments et coopérant dans lesdites zones angulaires F1 à F4 avec le rebord périphérique de l'autre élément.Packaging for the packaging of food products composed of two elements, a bottom 1 and a cover 2, each comprising a peripheral border whose respective traces allow the existence of lateral slots 3 in the closed position of said cover 2, characterized in that it comprises closure means located in the angular zones F1 to F4 of the packaging, having the appearance of grooves 11 located in the vicinity of the outer edge 10 of one of the elements and cooperating in said angular zones F1 to F4 with the peripheral edge of the other element. Emballage pour le conditionnement de produits alimentaires selon la revendication 1, caractérisé en ce que les moyens de fermeture en forme de gorges 11 comportent au niveau desdites zones angulaires F1 à F4 un rebord extérieur d'allure verticale, puis une portion d'allure horizontale plus basse formant plate-forme 13 dirigée vers l'intérieur de l'emballage, laquelle est limitée en direction du centre par un muret 14 d'allure verticale relié à la paroi 15 de l'élément dans lequel lesdits moyens sont pratiqués.Packaging for the packaging of food products according to claim 1, characterized in that the groove-shaped closing means 11 comprise, at the level of said angular zones F1 to F4, an outer rim of vertical appearance, then a portion of horizontal appearance more low forming platform 13 directed towards the interior of the packaging, which is limited in the direction of the center by a low wall 14 of vertical appearance connected to the wall 15 of the element in which said means are practiced. Emballage pour le conditionnement de produits alimentaires selon la revendication 2, caractérisé en ce que lesdits moyens de fermeture comportent, entre la bordure extérieure 10 et la plate-forme horizontale 13, une contre-dépouille 12 d'allure horizontale, située sensiblement au niveau de la partie supérieure dudit muret 14, et limitant sur toute sa longueur l'ouverture supérieure de ladite gorge 11.Packaging for packaging food products according to claim 2, characterized in that said closing means comprise, between the outer edge 10 and the horizontal platform 13, an undercut 12 of horizontal appearance, located substantially at the level of the upper part of said low wall 14, and limiting over its entire length the upper opening of said groove 11. Emballage pour le conditionnement de produits alimentaires selon l'une des revendications 2 et 3, caractérisé en ce que la bordure périphérique 4 du second élément constituant l'emballage comporte dans les zones angulaires F1 à F4 une surface plane 5 destinée à reposer sur ladite portion d'allure horizontale formant plate-forme dans ladite gorge.Packaging for the packaging of food products according to one of claims 2 and 3, characterized in that the peripheral edge 4 of the second element constituting the packaging comprises in the angular zones F1 to F4 a flat surface 5 intended to rest on said portion horizontal in appearance forming a platform in said groove. Emballage pour le conditionnement de produits alimentaires selon la revendication 4, caractérisé en ce que ladite surface plane 5 est limitée d'une part vers l'extérieur par un rebord 6 prévu pour se loger entre la plate-forme 13 et la contre-dépouille 12, et d'autre part par la paroi 7 dudit second élément, dont l'orientation lui permet de venir au contact dudit muret 14.Packaging for the packaging of food products according to claim 4, characterized in that said flat surface 5 is limited on the one hand towards the outside by a flange 6 intended to be housed between the platform 13 and the undercut 12 , and on the other hand by the wall 7 of said second element, the orientation of which allows it to come into contact with said wall 14. Emballage pour le conditionnement de produits alimentaires selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de fermeture présentant l'allure de gorges 11 sont situés sur le fond 1 de l'emballage.Packaging for packaging food products according to any one of the preceding claims, characterized in that the closure means having the appearance of grooves 11 are located on the bottom 1 of the packaging. Emballage pour le conditionnement de produits alimentaires selon l'une quelconque des revendications précédentes, caractérisé en ce que les fentes d'aération 3 sont prévues dans le tracé du rebord 4 du couvercle 2.Packaging for the packaging of food products according to any one of the preceding claims, characterized in that the ventilation slots 3 are provided in the layout of the rim 4 of the cover 2.
EP96440032A 1996-04-25 1996-04-25 Angular fastening device Expired - Lifetime EP0784019B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE69600045T DE69600045T2 (en) 1996-04-25 1996-04-25 Angular position fixing system
AT96440032T ATE156087T1 (en) 1996-04-25 1996-04-25 ANGLE POSITION FIXING SYSTEM
ES96440032T ES2105915T3 (en) 1996-04-25 1996-04-25 ANGULAR FIXING SYSTEM.
EP96440032A EP0784019B1 (en) 1996-04-25 1996-04-25 Angular fastening device
US08/819,798 US5833116A (en) 1996-04-25 1997-03-18 Angular fastening device

Applications Claiming Priority (1)

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EP96440032A EP0784019B1 (en) 1996-04-25 1996-04-25 Angular fastening device

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EP0784019A1 true EP0784019A1 (en) 1997-07-16
EP0784019B1 EP0784019B1 (en) 1997-07-30

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US (1) US5833116A (en)
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AT (1) ATE156087T1 (en)
DE (1) DE69600045T2 (en)
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CN101175670B (en) * 2005-05-17 2010-05-19 东洋制罐株式会社 Square can and method and device for double-seaming the same
EP2354024A1 (en) 2010-02-10 2011-08-10 Groupe Guillin Packaging having a corner closure with a slit

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ATE156087T1 (en) 1997-08-15
EP0784019B1 (en) 1997-07-30
DE69600045D1 (en) 1997-09-25
ES2105915T3 (en) 1997-10-16
US5833116A (en) 1998-11-10
DE69600045T2 (en) 1998-02-19

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