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EP1236654A1 - Plug for tubular container - Google Patents

Plug for tubular container Download PDF

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Publication number
EP1236654A1
EP1236654A1 EP02354037A EP02354037A EP1236654A1 EP 1236654 A1 EP1236654 A1 EP 1236654A1 EP 02354037 A EP02354037 A EP 02354037A EP 02354037 A EP02354037 A EP 02354037A EP 1236654 A1 EP1236654 A1 EP 1236654A1
Authority
EP
European Patent Office
Prior art keywords
tube
plug
packaging
objects
cap according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02354037A
Other languages
German (de)
French (fr)
Inventor
Jean-Marie Plenet
Michel Gergonne
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.)
DINAC SAS
Original Assignee
DINAC SAS
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 DINAC SAS filed Critical DINAC SAS
Publication of EP1236654A1 publication Critical patent/EP1236654A1/en
Withdrawn legal-status Critical Current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
    • B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
    • B65D59/04—Sleeves, e.g. postal tubes
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab
    • 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
    • B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
    • B65D59/02—Plugs

Definitions

  • the present invention relates to the field of packaging of elongated objects.
  • the invention relates more particularly to a closure plug of a such tube.
  • Figure 1 shows, in a sectional view longitudinal, a classic example of packaging tube 1 associated with plugs 2 according to the state of the technical.
  • the diameter of the tube 1 depends on the nature of the objects O for which it is intended and the number of objects it must contain. Generally, the packaging tubes have a diameter between a few centimeters and a few tens of centimeters. The length of the tube 1 depends on the length of the objects O. The conventional packaging tubes 1 have a length generally between a few tens of centimeters and a few meters.
  • tube 1 is closed at means of plugs 2 having a general shape of a cup of which a flange 21 is intended to be stapled (staples 3) to the tube 1.
  • plugs 2 having a general shape of a cup of which a flange 21 is intended to be stapled (staples 3) to the tube 1.
  • tube 1 is usually cardboard and 2 caps are usually made of plastic. These plugs are generally obtained by molding.
  • first cap 2 a first end (for example, the end 11) of the tube 1 by means of a first cap 2. This is stapled so as to be flush or almost from the end 11 of the tube, as shown in the left part of figure 1.
  • Objects O of elongated shape are then introduced into the tube 1 from the end which has remained open (for example, end 12).
  • a second plug 2 is then introduced through this open end.
  • this plug is engaged in tube 1 until its bottom 22 come into abutment against the longest O objects introduced in the tube, as shown in the right part of the Fig.
  • the second cap is, like the first, stapled by its flange 21 to tube 1.
  • the packaging thus produced essentially serves handling and transport and storage of O objects.
  • An example of application of the present invention relates threshold bars or the like which are generally shipped from the place of manufacture to the place of marketing in such packaging. Even if these threshold bars are packed individually before being introduced into the packaging 1, these are products intended to present a decorative surface finish that it is particularly damaging to damage when opening the tube.
  • the present invention aims to overcome the drawbacks known tubular packaging.
  • the invention aims more particularly to propose a new cap for packaging tube for shaped objects elongate.
  • the invention also aims to propose a solution which does not cause changes in the implementation of packaging to pack the objects it must contain.
  • the invention also aims to propose a solution which is compatible with a solid fixing of the cap.
  • the invention aims to propose a solution compatible with stapling the cap.
  • the invention also aims to offer a solution that is compatible with the tools stapling conventionally used.
  • the invention further aims to respect a manufacturing simple plugs and, more particularly, to offer a plug which can be obtained by molding in one piece in plastic material.
  • this invention provides a closure plug for tube packaging of objects, formed from synthetic material and comprising a flange intended to be engaged in the tube and to be fixed to it by staples, and a bottom shutter of the tube, this bottom being uncapped from the flange.
  • the bottom has a peripheral rupture line.
  • the bottom has a rupture line starting from the periphery to the vicinity of the center.
  • the plug has a gripping element, preferably at near the center of the bottom, linked to one end of the line of break.
  • the gripping element protrudes on the same side as the collar.
  • the bottom has an opening under the gripping element.
  • the collar includes at least one section change preferably defining a housing for staples fixing of the collar.
  • the collar has a widening bevel section from the bottom to the change of section.
  • the cap is molded in one piece.
  • the invention also provides packaging for at least one elongated object of the type comprising a tube, the at least one end is intended to receive a plug shutter.
  • this packaging is intended to contain threshold bars.
  • a feature of the present invention is offer a cap whose bottom is separable from a flange intended to be stapled to a packaging tube. More specifically, the invention provides a cup-shaped stopper whose bottom is uncapped.
  • Figure 2 shows, in a perspective view, a embodiment of a plug 4 according to the present invention. This figure will be described in relation to Figure 3 which represents, by a partial view in longitudinal section, a packaging tube 1, one end 12 of which is equipped with a plug 4 according to the invention.
  • the plug 4 comprises, as before, a collar 41 and a bottom 42.
  • the bottom 42 is preferably placed at a end of the collar 41.
  • the height of the collar 41 is, for example, between 1 and 5 cm. It is intended for come, by its external face, to bear against the internal face of the tube 1 and to receive, according to a preferred embodiment, conventional fastening clips 3 or similar fastening means.
  • the plug is engaged by its bottom 42 in the tube so that the collar 41 remains accessible.
  • the bottom 42 includes a line of rupture 43, for example, in a snail starting from the periphery of the bottom (inner face of the collar 41) and ending at near the center of the stopper.
  • the breaking line 43 has for object of making the cap uncorkable by tearing off its bottom 42 leaving the flange 41 in place.
  • the breaking line can only be peripheral.
  • the bottom 42 is associated with an element of grip 44 in the vicinity of its center.
  • the breaking line 43 then ends at the gripping element 44 so that a traction exerted on the element 44 allows the tearing of the bottom 42.
  • the element 44 has approximately the shape of a protruding handle in the direction of the collar 41 and the height of which is preferably limited to that of the flange 41. This avoids accidental uncapping of the cap during handling and transport of conditioning.
  • the gripping element is located in periphery to include the breaking line.
  • the breaking line 43 is unique in the surface of the bottom 42. More precisely, this breaking line extends over almost the entire periphery of the bottom 42 and ends at the gripping element 44 by having made no more than half a turn inside the surface of the bottom 42.
  • the rupture line 43 therefore preferably describes between one and a half turns.
  • the plug 4 is made from a single piece of material plastic.
  • the rupture line 43 is then preformed in the mold (not shown).
  • the gripping element 44 is produced by means of a core central provided in the mold.
  • the bottom 42 then presents, in this example, an opening 45 under the gripping element 44.
  • An advantage of the present invention is that it facilitates considerably unpacking of the packaged item (s) in the tube. Indeed, the staples 3 remain permanently and have no more need to be removed.
  • Another advantage of the present invention is that it eliminates the risk of damaging objects during unpacking.
  • Another advantage of the present invention is that the opening of a packaging thus produced is considerably faster than with conventional plugs.
  • the manufacture of the cork is as simple as that of a conventional cork. In particular, it can be obtained from a single piece of material plastic.
  • the only limitation is that the size of the opening 45 necessary for the passage of the mold core for the formation of the gripping element 44 must be compatible with the cross section objects for which the packaging is intended. In the case on the contrary, provision may be made, after manufacture of the plug, for paste an aperture closing pad 45. This pad will be chosen so as not to interfere with the uncapping. However, we prefer to size the opening 45 so that it is compatible with the objects to be packaged.
  • the stopper is, for example, made of synthetic material (for example, plastic) of a thickness included between a fraction and a few millimeters.
  • the choice of the thickness of the flange 41 and / or the bottom 42 of the plug depends on the mechanical resistance that one wishes to give it and, among other things, the diameter of the plug, therefore the diameter of the tube for which it is intended, as well as the weight of the objects that this tube packaging is intended to contain.
  • Figure 4 shows, in a sectional view, a detail of a plug 4 according to another embodiment of the invention.
  • Figure 4 illustrates several variants of realization compared to the embodiment described in relationship to Figures 2 and 3. However, these variants are independent of each other and can therefore be implemented works separately according to the applications.
  • a first variant consists of a cutaway 45 connecting the bottom 42 to the collar 41. Such a cutaway facilitates the engagement of the plug 4 in the tube 1 by one of its ends.
  • the collar 41 protrudes on either side of the bottom.
  • the overshoot must be compatible with the packaged items and, in a preferred application of the invention, do not harm the stop made by the bottom 42.
  • a second particularly advantageous variant is constituted by a change in section 46 in the thickness of the collar 41.
  • a change in section makes it possible to define a housing 47 for the staples 3.
  • the connection between the change of section 46 and the bottom 42 is not of constant thickness but thins (bevel section of the colerette) as you approach the bottom 42.
  • the inclined face 48 thus formed in the internal face of the flange 41 facilitates the extraction of objects from the tube while away from staples 3.
  • the housing 47 is open at direction of the free end of the flange 41.
  • the change of section 46 can then constitute a stop for the stapling tool.
  • the housing 47 is only open in the direction of the center of the plug. Therefore, the flange 41 includes then a second change of section 49 from which it becomes relatively thick until its end free.
  • the plug of the invention has been described in relation to a circular background, we can provide any other shape (square, trapezoidal, polygonal, oval, etc.) depending on the shape of the tube.
  • the circle constitutes a preferred embodiment for uncapping.
  • a plug according to the invention for sealing a tube one can provide that one end of the tube is closed by a conventional plug (2, Figure 1) while the other end is closed by a sealable cap according to the invention.
  • the plug of the invention makes it possible to comply with a depression of the plug in the tube depending on the length of the objects that the tube contains.
  • the breaking line 43 may have any desired shape other than in a spiral.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

The sealing cap (4) comprises a small collar (41) which is engaged in the tube and fixed there by clips. It has a bottom (42) for sealing the tube which can be removed from the collar by means of a gripping handle (44) and a rupture line (43).

Description

La présente invention concerne le domaine des tubes de conditionnement d'objets de forme allongée. L'invention concerne, plus particulièrement, un bouchon d'obturation d'un tel tube.The present invention relates to the field of packaging of elongated objects. The invention relates more particularly to a closure plug of a such tube.

La figure 1 représente, par une vue en coupe longitudinale, un exemple classique de tube 1 de conditionnement associé à des bouchons d'obturation 2 selon l'état de la technique.Figure 1 shows, in a sectional view longitudinal, a classic example of packaging tube 1 associated with plugs 2 according to the state of the technical.

Le diamètre du tube 1 dépend de la nature des objets O pour lequel il est destiné et du nombre d'objets qu'il doit contenir. Généralement, les tubes de conditionnement ont un diamètre compris entre quelques centimètres et quelques dizaines de centimètres. La longueur du tube 1 dépend de la longueur des objets O. Les tubes 1 de conditionnement classiques ont une longueur généralement comprise entre quelques dizaines de centimètres et quelques mètres.The diameter of the tube 1 depends on the nature of the objects O for which it is intended and the number of objects it must contain. Generally, the packaging tubes have a diameter between a few centimeters and a few tens of centimeters. The length of the tube 1 depends on the length of the objects O. The conventional packaging tubes 1 have a length generally between a few tens of centimeters and a few meters.

Les extrémités 11 et 12 du tube 1 sont obturées au moyen de bouchons 2 ayant une forme générale de coupelle dont une collerette 21 est destinée à être agrafée (agrafes 3) au tube 1. Compte-tenu des moyens de fixation utilisés, le tube 1 est généralement en carton et les bouchons 2 sont généralement en matière plastique. Ces bouchons sont généralement obtenus par moulage.The ends 11 and 12 of the tube 1 are closed at means of plugs 2 having a general shape of a cup of which a flange 21 is intended to be stapled (staples 3) to the tube 1. Given the fixing means used, tube 1 is usually cardboard and 2 caps are usually made of plastic. These plugs are generally obtained by molding.

Pour faciliter le conditionnement des objets et permettre d'utiliser de mêmes tubes 1 pour des objets O ayant des longueurs légèrement différentes, l'assemblage s'effectue de la façon suivante. On commence par obturer une première extrémité (par exemple, l'extrémité 11) du tube 1 au moyen d'un premier bouchon 2. Celui-ci est agrafé de façon à être en affleurement ou presque de l'extrémité 11 du tube, comme cela est représenté en partie gauche de la figure 1. Les objets O de forme allongée sont alors introduits dans le tube 1 depuis l'extrémité restée ouverte (par exemple, l'extrémité 12). Un deuxième bouchon 2 est alors introduit par cette extrémité ouverte. De préférence, ce bouchon est engagé dans le tube 1 jusqu'à ce que son fond 22 vienne en butée contre les objets O les plus longs introduits dans le tube, comme cela est représenté en partie droite de la figure. Le deuxième bouchon est, comme le premier, agrafé par sa collerette 21 au tube 1.To facilitate the packaging of objects and allow to use the same tubes 1 for objects O having slightly different lengths, assembly is carried out next way. We start by closing off a first end (for example, the end 11) of the tube 1 by means of a first cap 2. This is stapled so as to be flush or almost from the end 11 of the tube, as shown in the left part of figure 1. Objects O of elongated shape are then introduced into the tube 1 from the end which has remained open (for example, end 12). A second plug 2 is then introduced through this open end. Preferably, this plug is engaged in tube 1 until its bottom 22 come into abutment against the longest O objects introduced in the tube, as shown in the right part of the Fig. The second cap is, like the first, stapled by its flange 21 to tube 1.

Le conditionnement ainsi réalisé sert essentiellement à la manutention et au transport et au stockage des objets O.The packaging thus produced essentially serves handling and transport and storage of O objects.

Un problème intervient lorsque le conditionnement doit être ouvert pour déballage. En effet, cela requiert d'ôter l'un des bouchons 2 d'obturation d'extrémité, donc de retirer les agrafes 3 de fixation au tube 1, ce qui est long et peu commode. Il n'est en effet classiquement pas souhaitable de percer le bouchon 2 ou de découper le tube avec un outil pour ne pas endommager les objets O contenus dans le tube 1.A problem arises when the packaging must be open for unpacking. Indeed, this requires removing one end plugs 2, so remove the clips 3 for fixing to the tube 1, which is long and inconvenient. It is indeed conventionally not desirable to pierce the plug 2 or cut the tube with a tool so as not to damage the objects O contained in the tube 1.

Dans des applications auxquelles est plus particulièrement destinée l'invention, on limite lors de l'emballage les mouvements notamment longitudinaux des objets O dans le tube 1 en faisant en sorte que leurs extrémités respectives soient contre les fonds 22 des deux bouchons. Cela est particulièrement le cas pour des objets O d'un certain poids. En effet, si on laisse un degré de liberté longitudinal à de tels objets, ils risquent lors des manutentions ou du transport de venir endommager le fond du bouchon. C'est d'ailleurs une des raisons pour laquelle les bouchons sont agrafés. En effet, un collage risquerait de ne pas avoir la tenue suffisante pour résister aux efforts de pression des objets contenus à l'intérieur qui peuvent représenter, au total, un poids compris entre 1 et 50 kg selon le diamètre et la longueur du tube 1. Plus les objets sont lourds, plus il existe un risque d'arrachement du bouchon. De plus, un collage du bouchon rendrait encore plus difficile l'ouverture du tube sans endommager les objets qu'il contient.In applications that are more particularly intended for the invention, it is limited during the packaging, in particular the longitudinal movements of objects O in tube 1 making sure that their ends are against the bottoms 22 of the two plugs. it is particularly the case for O objects of a certain weight. Indeed, if we leave a longitudinal degree of freedom to such objects, they risk during handling or transport to damage the bottom of the cap. It is one of the reasons why the plugs are stapled. In fact, a collage might not have the sufficient strength to withstand the pressure forces of objects contained inside which can represent, in total, a weight between 1 and 50 kg depending on the diameter and the tube length 1. The heavier the objects, the more there are a risk of the cap tearing off. In addition, a collage of cap would make it even more difficult to open the tube without damage the objects it contains.

Une autre raison du recours à l'agrafage est le besoin d'adaptation en profondeur de la position du bouchon en fonction de la longueur des objets. En particulier, avec de la colle, celle-ci adhérerait au tube avant que le bouchon soit en position. Alors, selon la rapidité de prise, soit il ne resterait plus de colle sur la collerette quand le bouchon atteindrait sa position, soit le bouchon serait fixé en mauvaise position.Another reason for using stapling is the need depth adjustment of the position of the plug depending on the length of the objects. In particular, with glue, this would adhere to the tube before the plug is in position. So, depending on the speed of taking, either there would not remain more glue on the collar when the cap reaches its position, or the plug would be fixed in the wrong position.

Le besoin d'adapter en profondeur la position du bouchon entraíne également que des solutions apparentées au collage, comme le sertissage d'un bouchon sur une extrémité d'un élément tubulaire, comme cela est décrit par exemple dans le document US-A-4 961 511, ne sont pas transposables aux applications de la présente invention.The need to deeply adapt the position of the plug also results in solutions related to bonding, such as crimping a plug on one end of a tubular element, as described for example in the document US-A-4,961,511, cannot be transposed to applications of the present invention.

Un exemple d'application de la présente invention concerne les barres de seuil ou analogues qui sont généralement expédiées du lieu de fabrication au lieu de commercialisation dans de tels conditionnements. Même si ces barres de seuil sont emballées individuellement avant d'être introduites dans le conditionnement 1, il s'agit de produits destinés à présenter un état de surface décoratif qu'il est particulièrement préjudiciable d'endommager lors de l'ouverture du tube.An example of application of the present invention relates threshold bars or the like which are generally shipped from the place of manufacture to the place of marketing in such packaging. Even if these threshold bars are packed individually before being introduced into the packaging 1, these are products intended to present a decorative surface finish that it is particularly damaging to damage when opening the tube.

La présente invention vise à pallier les inconvénients des conditionnements tubulaires connus. The present invention aims to overcome the drawbacks known tubular packaging.

L'invention vise plus particulièrement, à proposer un nouveau bouchon pour tube de conditionnement d'objets de forme allongée.The invention aims more particularly to propose a new cap for packaging tube for shaped objects elongate.

L'invention vise également à proposer une solution qui n'entraíne pas de modifications dans la mise en oeuvre du conditionnement pour emballer les objets qu'il doit contenir.The invention also aims to propose a solution which does not cause changes in the implementation of packaging to pack the objects it must contain.

L'invention vise également à proposer une solution qui est compatible avec une fixation solide du bouchon. En particulier, l'invention vise à proposer une solution compatible avec un agrafage du bouchon. A cet égard, l'invention vise également à proposer une solution qui soit compatible avec les outils d'agrafage classiquement utilisés.The invention also aims to propose a solution which is compatible with a solid fixing of the cap. In particular, the invention aims to propose a solution compatible with stapling the cap. In this regard, the invention also aims to offer a solution that is compatible with the tools stapling conventionally used.

L'invention vise en outre à respecter une fabrication simple des bouchons et, plus particulièrement, à proposer un bouchon qui puisse être obtenu par moulage d'une seule pièce en matière plastique.The invention further aims to respect a manufacturing simple plugs and, more particularly, to offer a plug which can be obtained by molding in one piece in plastic material.

Pour atteindre ces objets et d'autres, la présente invention prévoit un bouchon d'obturation pour tube de conditionnement d'objets, formé en matériau de synthèse et comprenant une collerette destinée à être engagée dans le tube et à y être fixée par des agrafes, et un fond d'obturation du tube, ce fond étant désoperculable de la collerette.To achieve these and other objects, this invention provides a closure plug for tube packaging of objects, formed from synthetic material and comprising a flange intended to be engaged in the tube and to be fixed to it by staples, and a bottom shutter of the tube, this bottom being uncapped from the flange.

Selon un mode de réalisation de la présente invention, le fond présente une ligne de rupture périphérique.According to an embodiment of the present invention, the bottom has a peripheral rupture line.

Selon un mode de réalisation de la présente invention, le fond présente une ligne de rupture partant de la périphérie jusqu'au voisinage du centre.According to an embodiment of the present invention, the bottom has a rupture line starting from the periphery to the vicinity of the center.

Selon un mode de réalisation de la présente invention, le bouchon comporte un élément de préhension, de préférence au voisinage du centre du fond, lié à une extrémité de la ligne de rupture.According to an embodiment of the present invention, the plug has a gripping element, preferably at near the center of the bottom, linked to one end of the line of break.

Selon un mode de réalisation de la présente invention, l'élément de préhension est saillant du même côté que la collerette. According to an embodiment of the present invention, the gripping element protrudes on the same side as the collar.

Selon un mode de réalisation de la présente invention, le fond présente une ouverture sous l'élément de préhension.According to an embodiment of the present invention, the bottom has an opening under the gripping element.

Selon un mode de réalisation de la présente invention, la collerette comprend au moins un changement de section définissant, de préférence, un logement pour des agrafes de fixation de la collerette.According to an embodiment of the present invention, the collar includes at least one section change preferably defining a housing for staples fixing of the collar.

Selon un mode de réalisation de la présente invention, la collerette présente une section en biseau s'élargissant depuis le fond jusqu'au changement de section.According to an embodiment of the present invention, the collar has a widening bevel section from the bottom to the change of section.

Selon un mode de réalisation de la présente invention, le bouchon est moulé d'une seule pièce.According to an embodiment of the present invention, the cap is molded in one piece.

L'invention prévoit également un conditionnement pour au moins un objet allongé du type comprenant un tube dont au moins un extrémité est destinée à recevoir un bouchon d'obturation.The invention also provides packaging for at least one elongated object of the type comprising a tube, the at least one end is intended to receive a plug shutter.

Selon un mode de réalisation de la présente invention, ce conditionnement est destiné à contenir des barres de seuil.According to an embodiment of the present invention, this packaging is intended to contain threshold bars.

Ces objets, caractéristiques et avantages, ainsi que d'autres de la présente invention seront exposés en détail dans la description suivante de modes de réalisation particuliers faite à titre non-limitatif en relation avec les figures jointes parmi lesquelles :

  • la figure 1 décrite précédemment représente, par une vue en coupe longitudinale, un conditionnement tubulaire d'objets allongés selon l'art antérieur ;
  • la figure 2 est une vue en perspective d'un mode de réalisation d'un bouchon pour tubes de conditionnement selon la présente invention ;
  • la figure 3 est une vue partielle en coupe longitudinale d'un tube de conditionnement équipé d'un bouchon selon la présente invention ; et
  • la figure 4 représente, par une vue en coupe, un détail d'un bouchon selon la présente invention illustrant plusieurs variantes de réalisation.
    • These objects, characteristics and advantages, as well as others of the present invention will be explained in detail in the following description of particular embodiments given without limitation in relation to the attached figures among which:
  • Figure 1 described above shows, in a longitudinal sectional view, a tubular packaging of elongated objects according to the prior art;
  • Figure 2 is a perspective view of an embodiment of a plug for packaging tubes according to the present invention;
  • Figure 3 is a partial view in longitudinal section of a packaging tube fitted with a plug according to the present invention; and
  • Figure 4 shows, in a sectional view, a detail of a plug according to the present invention illustrating several alternative embodiments.

    • Les mêmes éléments ont été désignés par les mêmes références aux différentes figures. Pour des raisons de clarté, seuls les éléments qui sont nécessaires à la compréhension de l'invention ont été représentés aux figures et seront détaillés par la suite. En particulier, les agrafes utilisées pour l'assemblage d'un bouchon selon l'invention à un tube de conditionnement classique n'ont pas été détaillées et ne font pas l'objet de la présente invention. De même, la structure même du tube de conditionnement ne fait pas l'objet de l'invention, les bouchons proposés par l'invention s'adaptant à des tubes classiques.The same elements have been designated by the same references to the various figures. For reasons of clarity, only the elements that are necessary for the understanding of the invention have been shown in the figures and will be detailed thereafter. In particular, the staples used for assembling a plug according to the invention to a tube conventional packaging have not been detailed and do not not the object of the present invention. Likewise, the very structure of the packaging tube is not the subject of the invention, the plugs proposed by the invention adapting to tubes classics.

    Une caractéristique de la présente invention est de proposer un bouchon dont le fond est séparable d'une collerette destinée à être agrafée à un tube de conditionnement. Plus précisément, l'invention prévoit un bouchon en forme de coupelle dont le fond est désoperculable.A feature of the present invention is offer a cap whose bottom is separable from a flange intended to be stapled to a packaging tube. More specifically, the invention provides a cup-shaped stopper whose bottom is uncapped.

    La figure 2 représente, par une vue en perspective, un mode de réalisation d'un bouchon 4 selon la présente invention. Cette figure sera décrite en relation avec la figure 3 qui représente, par une vue partielle en coupe longitudinale, un tube 1 de conditionnement dont une extrémité 12 est équipée d'un bouchon 4 selon l'invention.Figure 2 shows, in a perspective view, a embodiment of a plug 4 according to the present invention. This figure will be described in relation to Figure 3 which represents, by a partial view in longitudinal section, a packaging tube 1, one end 12 of which is equipped with a plug 4 according to the invention.

    Le bouchon 4 comporte, comme précédemment, une collerette 41 et un fond 42. Le fond 42 est, de préférence, placé à une extrémité de la collerette 41. La hauteur de la collerette 41 est, par exemple, comprise entre 1 et 5 cm. Elle est destinée à venir, par sa face externe, en appui contre la face interne du tube 1 et à recevoir, selon un mode de réalisation préféré, des agrafes 3 de fixation classiques ou des moyens de fixation similaires. Le bouchon est engagé par son fond 42 dans le tube de façon que la collerette 41 reste accessible.The plug 4 comprises, as before, a collar 41 and a bottom 42. The bottom 42 is preferably placed at a end of the collar 41. The height of the collar 41 is, for example, between 1 and 5 cm. It is intended for come, by its external face, to bear against the internal face of the tube 1 and to receive, according to a preferred embodiment, conventional fastening clips 3 or similar fastening means. The plug is engaged by its bottom 42 in the tube so that the collar 41 remains accessible.

    Selon l'invention, le fond 42 comporte une ligne de rupture 43, par exemple, en escargot partant de la périphérie du fond (face interne de la collerette 41) et s'achevant au voisinage du centre du bouchon. La ligne de rupture 43 a pour objet de rendre désoperculable le bouchon par arrachement de son fond 42 en laissant la collerette 41 en place. En variante, la ligne de rupture peut être uniquement périphérique.According to the invention, the bottom 42 includes a line of rupture 43, for example, in a snail starting from the periphery of the bottom (inner face of the collar 41) and ending at near the center of the stopper. The breaking line 43 has for object of making the cap uncorkable by tearing off its bottom 42 leaving the flange 41 in place. Alternatively, the breaking line can only be peripheral.

    Selon un mode de réalisation préféré illustré par les figures 2 et 3, le fond 42 est associé à un élément de préhension 44 au voisinage de son centre. La ligne de rupture 43 s'achève alors au niveau de l'élément de préhension 44 de sorte qu'une traction exercée sur l'élément 44 permette l'arrachement du fond 42. De préférence, l'élément 44 a approximativement la forme d'une poignée saillante en direction de la collerette 41 et dont la hauteur est, de préférence, limitée à celle de la collerette 41. On évite ainsi un désoperculage accidentel du bouchon pendant les manipulations et le transport du conditionnement. Dans le cas d'une ligne de rupture exclusivement périphérique, l'élément de préhension est situé en périphérie de façon à inclure la ligne de rupture.According to a preferred embodiment illustrated by Figures 2 and 3, the bottom 42 is associated with an element of grip 44 in the vicinity of its center. The breaking line 43 then ends at the gripping element 44 so that a traction exerted on the element 44 allows the tearing of the bottom 42. Preferably, the element 44 has approximately the shape of a protruding handle in the direction of the collar 41 and the height of which is preferably limited to that of the flange 41. This avoids accidental uncapping of the cap during handling and transport of conditioning. In the case of a breaking line exclusively peripheral, the gripping element is located in periphery to include the breaking line.

    De préférence, la ligne de rupture 43 est unique dans la surface du fond 42. Plus précisément, cette ligne de rupture s'étend sur la quasi-totalité de la périphérie du fond 42 et s'achève au niveau de l'élément de préhension 44 en ayant effectué au plus un demi-tour à l'intérieur de la surface du fond 42. La ligne de rupture 43 décrit donc, de préférence, entre un tour et un tour et demi. En prévoyant une ligne de rupture qui décrit au moins la périphérie du fond (même si elle part ensuite vers un élément de préhension central), on garantit l'enlèvement complet de l'opercule constitué par le fond 42 du bouchon.Preferably, the breaking line 43 is unique in the surface of the bottom 42. More precisely, this breaking line extends over almost the entire periphery of the bottom 42 and ends at the gripping element 44 by having made no more than half a turn inside the surface of the bottom 42. The rupture line 43 therefore preferably describes between one and a half turns. By providing a line of rupture which describes at least the periphery of the bottom (even if it then goes to a central gripping element), we guarantee complete removal of the cover formed by the bottom 42 of the plug.

    Selon un mode de réalisation préféré de l'invention, le bouchon 4 est fabriqué d'une seule pièce en matière plastique. La ligne de rupture 43 est alors préformée dans le moule (non représenté). Selon ce mode de réalisation préféré, l'élément de préhension 44 est réalisé au moyen d'une âme centrale prévue dans le moule. Le fond 42 présente alors, dans cet exemple, une ouverture 45 sous l'élément de préhension 44. Un avantage est que la réalisation du moule s'en trouve simplifiée.According to a preferred embodiment of the invention, the plug 4 is made from a single piece of material plastic. The rupture line 43 is then preformed in the mold (not shown). According to this preferred embodiment, the gripping element 44 is produced by means of a core central provided in the mold. The bottom 42 then presents, in this example, an opening 45 under the gripping element 44. An advantage is that the realization of the mold is found simplified.

    Un avantage de la présente invention est qu'elle facilite considérablement le déballage du ou des objets conditionnés dans le tube. En effet, les agrafes 3 restent à demeure et n'ont plus besoin d'être ôtées.An advantage of the present invention is that it facilitates considerably unpacking of the packaged item (s) in the tube. Indeed, the staples 3 remain permanently and have no more need to be removed.

    Un autre avantage de la présente invention est qu'elle élimine les risques d'endommager les objets lors du déballage.Another advantage of the present invention is that it eliminates the risk of damaging objects during unpacking.

    Un autre avantage de la présente invention est que l'ouverture d'un conditionnement ainsi réalisée est considérablement plus rapide qu'avec les bouchons classiques.Another advantage of the present invention is that the opening of a packaging thus produced is considerably faster than with conventional plugs.

    Un autre avantage de l'invention selon le mode de réalisation préféré de la figure 2, est que la fabrication du bouchon est aussi simple que celle d'un bouchon classique. En particulier, il peut être obtenu d'une seule pièce en matière plastique. La seule limitation est que la taille de l'ouverture 45 nécessaire au passage de l'âme du moule pour la formation de l'élément de préhension 44 doit être compatible avec la section des objets auxquels est destiné le conditionnement. Dans le cas contraire, on pourra prévoir, après fabrication du bouchon, de coller une pastille d'obturation de l'ouverture 45. Cette pastille sera choisie pour ne pas gêner le désoperculage. Toutefois, on préférera dimensionner l'ouverture 45 pour qu'elle soit compatible avec les objets à conditionner.Another advantage of the invention according to the embodiment preferred of Figure 2, is that the manufacture of the cork is as simple as that of a conventional cork. In particular, it can be obtained from a single piece of material plastic. The only limitation is that the size of the opening 45 necessary for the passage of the mold core for the formation of the gripping element 44 must be compatible with the cross section objects for which the packaging is intended. In the case on the contrary, provision may be made, after manufacture of the plug, for paste an aperture closing pad 45. This pad will be chosen so as not to interfere with the uncapping. However, we prefer to size the opening 45 so that it is compatible with the objects to be packaged.

    Le bouchon est, par exemple, en matériau de synthèse (par exemple, en matière plastique) d'une épaisseur comprise entre une fraction et quelques millimètres. Le choix de l'épaisseur de la collerette 41 et/ou du fond 42 du bouchon dépend de la résistance mécanique que l'on souhaite lui conférer et, entre autres, du diamètre du bouchon, donc du diamètre du tube auquel il est destiné, ainsi que du poids des objets que ce tube de conditionnement est destiné à contenir.The stopper is, for example, made of synthetic material (for example, plastic) of a thickness included between a fraction and a few millimeters. The choice of the thickness of the flange 41 and / or the bottom 42 of the plug depends on the mechanical resistance that one wishes to give it and, among other things, the diameter of the plug, therefore the diameter of the tube for which it is intended, as well as the weight of the objects that this tube packaging is intended to contain.

    La figure 4 représente, par une vue en coupe, un détail d'un bouchon 4 selon un autre mode de réalisation de l'invention. La figure 4 illustre plusieurs variantes de réalisation par rapport au mode de réalisation exposé en relation avec les figures 2 et 3. Toutefois, ces variantes sont indépendantes les unes des autres et peuvent donc être mises en oeuvre séparément selon les applications.Figure 4 shows, in a sectional view, a detail of a plug 4 according to another embodiment of the invention. Figure 4 illustrates several variants of realization compared to the embodiment described in relationship to Figures 2 and 3. However, these variants are independent of each other and can therefore be implemented works separately according to the applications.

    Une première variante est constituée d'un pan coupé 45 reliant le fond 42 à la collerette 41. Un tel pan coupé facilite l'engagement du bouchon 4 dans le tube 1 par une de ses extrémités. Selon une autre variante non représentée, la collerette 41 dépasse de part et d'autre du fond. Toutefois, le dépassement doit être compatible avec les objets conditionnés et, dans une application préférée de l'invention, ne pas nuire à la butée réalisée par le fond 42.A first variant consists of a cutaway 45 connecting the bottom 42 to the collar 41. Such a cutaway facilitates the engagement of the plug 4 in the tube 1 by one of its ends. According to another variant not shown, the collar 41 protrudes on either side of the bottom. However, the overshoot must be compatible with the packaged items and, in a preferred application of the invention, do not harm the stop made by the bottom 42.

    Une deuxième variante particulièrement avantageuse est constituée par un changement de section 46 dans l'épaisseur de la collerette 41. Un tel changement de section permet de définir un logement 47 pour les agrafes 3. De préférence, la liaison entre le changement de section 46 et le fond 42 n'est pas d'épaisseur constante mais s'amincit (section en biseau de la colerette) au fur et à mesure que l'on s'approche du fond 42. Le pan incliné 48 ainsi constitué dans la face interne de la collerette 41 facilite l'extraction des objets du tube tout en les éloignant des agrafes 3.A second particularly advantageous variant is constituted by a change in section 46 in the thickness of the collar 41. Such a change in section makes it possible to define a housing 47 for the staples 3. Preferably, the connection between the change of section 46 and the bottom 42 is not of constant thickness but thins (bevel section of the colerette) as you approach the bottom 42. The inclined face 48 thus formed in the internal face of the flange 41 facilitates the extraction of objects from the tube while away from staples 3.

    Dans le mode de réalisation préféré, représenté en traits pleins à la figure 4, le logement 47 est ouvert en direction de l'extrémité libre de la collerette 41. Le changement de section 46 peut alors constituer une butée pour l'outil d'agrafage. Selon une variante représentée en pointillés, le logement 47 n'est ouvert qu'en direction du centre du bouchon. Par conséquent, la collerette 41 comprend alors un deuxième changement de section 49 à partir duquel celle-ci redevient relativement épaisse jusqu'à son extrémité libre.In the preferred embodiment, shown in solid lines in FIG. 4, the housing 47 is open at direction of the free end of the flange 41. The change of section 46 can then constitute a stop for the stapling tool. According to a variant shown in dotted, the housing 47 is only open in the direction of the center of the plug. Therefore, the flange 41 includes then a second change of section 49 from which it becomes relatively thick until its end free.

    Bien entendu, la présente invention est susceptible de diverses variantes et modifications qui apparaítront à l'homme de l'art. En particulier, bien que le bouchon de l'invention ait été décrit en relation avec un fond circulaire, on pourra prévoir tout autre forme (carrée, trapézoïdale, polygonale, ovale, etc.) selon la forme du tube. Le rond constitue toutefois un mode de réalisation préféré pour la désoperculation. De plus, dans l'utilisation d'un bouchon selon l'invention pour obturer un tube, on pourra prévoir qu'une des extrémités du tube soit fermée par un bouchon classique (2, figure 1) tandis que l'autre extrémité est obturée par un bouchon désoperculable selon l'invention. A cet égard, on notera que le bouchon de l'invention permet de respecter un enfoncement du bouchon dans le tube en fonction de la longueur des objets que le tube contient. Par ailleurs, la ligne de rupture 43 pourra avoir toute forme désirée autre qu'en spirale.Of course, the present invention is capable of various variations and modifications that will appear to humans art. In particular, although the plug of the invention has been described in relation to a circular background, we can provide any other shape (square, trapezoidal, polygonal, oval, etc.) depending on the shape of the tube. However, the circle constitutes a preferred embodiment for uncapping. Moreover, in the use of a plug according to the invention for sealing a tube, one can provide that one end of the tube is closed by a conventional plug (2, Figure 1) while the other end is closed by a sealable cap according to the invention. In this regard, it will be noted that the plug of the invention makes it possible to comply with a depression of the plug in the tube depending on the length of the objects that the tube contains. Furthermore, the breaking line 43 may have any desired shape other than in a spiral.

    En outre, bien qu'une application de l'invention au conditionnement de barres de seuil ait été exposée ci-dessus, celle-ci s'applique plus généralement à tout conditionnement, au moyen d'un tube, d'un ou plusieurs objets de forme allongée, voire même à des objets en vrac pourvu que ceux-ci ne passent pas dans l'ouverture 45 du fond 42 du bouchon 4, ou que cette ouverture soit masquée.Furthermore, although an application of the invention to threshold bar packaging has been exposed above, this applies more generally to any packaging, to by means of a tube, one or more elongated objects, or even loose objects provided they do not pass not in the opening 45 of the bottom 42 of the plug 4, or that this opening is hidden.

    Claims (11)

    Bouchon (4) d'obturation pour tube (1) de conditionnement d'objets (O), formé en matériau de synthèse et comprenant une collerette (41) destinée à être engagée dans le tube et à y être fixée par des agrafes (3), et un fond (42) d'obturation du tube, ce fond étant désoperculable de la collerette.Sealing plug (4) for tube (1) of packaging of objects (O), formed from synthetic material and comprising a flange (41) intended to be engaged in the tube and to be fixed to it by clips (3), and a bottom (42) obturation of the tube, this bottom being uncapped from the collar. Bouchon selon la revendication 1, caractérisé en ce que le fond présente une ligne de rupture périphérique.Cap according to claim 1, characterized in that the bottom has a peripheral rupture line. Bouchon selon la revendication 1 ou 2, caractérisé en ce que le fond (42) présente une ligne de rupture (43) partant de la périphérie jusqu'au voisinage du centre.Cap according to claim 1 or 2, characterized in that the bottom (42) has a rupture line (43) extending from the periphery to the vicinity of the center. Bouchon selon la revendication 2 ou 3, caractérisé en ce qu'il comporte un élément de préhension (44), de préférence au voisinage du centre du fond, lié à une extrémité de la ligne de rupture (43).Cap according to claim 2 or 3, characterized in that it comprises a gripping element (44), preferably in the vicinity of the center of the bottom, connected to one end of the rupture line (43). Bouchon selon la revendication 4, caractérisé en ce que l'élément de préhension (44) est saillant du même côté que la collerette (41).Cap according to claim 4, characterized in that the gripping element (44) protrudes on the same side as the flange (41). Bouchon selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le fond (42) présente une ouverture (45) sous l'élément de préhension (44).Cap according to any one of claims 2 to 5, characterized in that the bottom (42) has an opening (45) under the gripping element (44). Bouchon selon l'une quelconque des revendications 2 à 6, caractérisé en ce que la collerette (41) comprend au moins un changement de section (46) définissant, de préférence, un logement (47) pour des agrafes (3) de fixation de la collerette (41).Cap according to any one of Claims 2 to 6, characterized in that the flange (41) comprises at least one change of section (46) defining, preferably, a housing (47) for staples (3) for fixing the the collar (41). Bouchon selon la revendication 7, caractérisé en ce que la collerette (41) présente une section en biseau s'élargissant depuis le fond (42) jusqu'au changement de section (46).Cap according to claim 7, characterized in that the collar (41) has a bevel section widening from the bottom (42) until the section changes (46). Bouchon selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il est moulé d'une seule pièce.Cap according to any one of Claims 1 to 8, characterized in that it is molded in one piece. Conditionnement pour au moins un objet (O) allongé du type comprenant un tube (1) dont au moins une extrémité (12) est destinée à recevoir un bouchon d'obturation conforme à l'une quelconque des revendications 1 à 8.Packaging for at least one elongated object (O) of the type comprising a tube (1) of which at least one end (12) is intended to receive a closure plug conforming to one any of claims 1 to 8. Conditionnement selon la revendication 10, caractérisé en ce qu'il est destiné à contenir des barres de seuil.Packaging according to claim 10, characterized in that it is intended to contain threshold bars.
    EP02354037A 2001-02-28 2002-02-27 Plug for tubular container Withdrawn EP1236654A1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0102734 2001-02-28
    FR0102734A FR2821334B1 (en) 2001-02-28 2001-02-28 PLUG FOR TUBULAR PACKAGING

    Publications (1)

    Publication Number Publication Date
    EP1236654A1 true EP1236654A1 (en) 2002-09-04

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP02354037A Withdrawn EP1236654A1 (en) 2001-02-28 2002-02-27 Plug for tubular container

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    EP (1) EP1236654A1 (en)
    FR (1) FR2821334B1 (en)
    PL (1) PL352428A1 (en)

    Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2975888A (en) * 1959-03-26 1961-03-21 Sr Harold G Paynton Archery package
    US4015711A (en) * 1974-05-01 1977-04-05 Precision Plastics Industries, Inc. End plug for rolled materials
    US4961511A (en) 1988-02-16 1990-10-09 Ab Akerlund & Rausing End closure for a packaging container

    Patent Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2975888A (en) * 1959-03-26 1961-03-21 Sr Harold G Paynton Archery package
    US4015711A (en) * 1974-05-01 1977-04-05 Precision Plastics Industries, Inc. End plug for rolled materials
    US4961511A (en) 1988-02-16 1990-10-09 Ab Akerlund & Rausing End closure for a packaging container

    Also Published As

    Publication number Publication date
    PL352428A1 (en) 2002-09-09
    FR2821334B1 (en) 2003-09-12
    FR2821334A1 (en) 2002-08-30

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