EP2354021B1 - Couvercle de récipient et procédé de fabrication d'un couvercle de récipient - Google Patents

Couvercle de récipient et procédé de fabrication d'un couvercle de récipient Download PDF

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Publication number
EP2354021B1
EP2354021B1 EP20100001042 EP10001042A EP2354021B1 EP 2354021 B1 EP2354021 B1 EP 2354021B1 EP 20100001042 EP20100001042 EP 20100001042 EP 10001042 A EP10001042 A EP 10001042A EP 2354021 B1 EP2354021 B1 EP 2354021B1
Authority
EP
European Patent Office
Prior art keywords
lid
collar part
container
accordance
opening
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.)
Not-in-force
Application number
EP20100001042
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German (de)
English (en)
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EP2354021A1 (fr
Inventor
Klaus Thielen
Wolfgang Thielen
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.)
Individual
Original Assignee
Individual
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Publication date
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Priority to EP20100001042 priority Critical patent/EP2354021B1/fr
Priority to PCT/EP2011/000445 priority patent/WO2011095318A1/fr
Publication of EP2354021A1 publication Critical patent/EP2354021A1/fr
Application granted granted Critical
Publication of EP2354021B1 publication Critical patent/EP2354021B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B65D47/103—Membranes with a tearing element

Definitions

  • the invention relates to a container lid with a resealable opening, in particular for beverage containers, with a lid surface made of a first plastic material and an edge portion surrounding the lid surface, wherein the lid surface has an opening area bounded by a circumferential tear-open notch.
  • the invention is directed to a method for manufacturing the container lid and containers which are equipped with such a lid.
  • US 2009/001081 A1 describes a resealable can lid with the features of the preamble of claim 1.
  • the once torn lid part which may be made entirely of plastic, when reclosing a against the cover part to be pressed plastic seal provided.
  • US 6,286,703 B1 describes a can lid, in which an opening gap in the cover metal bridging plastic seal is torn open during initial opening and the seal parts are placed together again when reclosing.
  • a can lid having a reclosable opening in which an opening is made in the metallic can lid and the edge of that opening is crimped to provide anchoring for a prefabricated plastic closure.
  • the plastic closure part comprises a base part to be connected to the beaded edge of the can opening, in which opening formed by a flat plug is formed.
  • the flat plug is connected to the opening edge via a plastic tear seam, so that the flat plug connected to a pull tab can be released by pulling over the tear tab of the plastic base part and pivoted into an open position.
  • the opening can be temporarily closed again by pressing in the flat plug, which is preferably conical on its underside.
  • a can lid having a reclosable opening in which an opening is also made in the metallic can lid into which a prefabricated, tearable plastic closure member is inserted, the prefabricated plastic member has a double flange at the edge into which engages the edge of the punched can opening and is fixed in it.
  • the prefabricated plastic element comprises a closure part, which is connected to the peripheral edge of the plastic part via a tear seam.
  • a pull tab connected to the closure part makes it possible to tear open the plastic tear seam between the peripheral area of the plastic part and the lid part and thus release the can opening.
  • the closure part which preferably remains in contact with the peripheral area via a tab region, can be pressed back into the opening.
  • a resealable can lid is known in which in particular the emergence of sharp edges should be avoided, as they arise when tearing ordinary tin cans over a tab.
  • a prefabricated plastic part is snapped into a provided in the metallic can lid punched, which has a lid part which is connected via a thin plastic wall with the snapped into the can opening base part.
  • the closure part is designed so that it engages to reclosure of the opening via a snap-locking connection in the base part.
  • a beverage can with a lid consisting of sheet metal in which a weakening line is formed and delimited by the weakening line lid part is detachable by means of a pull tab, wherein on the lid captive a substantially parallel to the lid surface pivotable closure part is attached to the removal opening.
  • a metal lid for beverage cans which has a pre-punched pouring opening in the lid surface, which is sealed by a closure element and after the first opening is again tightly closed.
  • cover and closure element can be positively connected to one another by means of bayonet-like interlocking elements, which are formed directly from the lid material or the closure element.
  • the object of the invention is to provide a container lid, in particular for beverage containers, with a reclosable opening which not only processes in the available installations of a container filling line, i. applied to the container and can be connected to this airtight and gas-tight, but above all ensures a high-quality, gas and liquid-tight closure in the reclosable opening, only low opening and reclosing forces requires and in particular a one-handed operation when opening and Close allows.
  • a particular intended for breaking the tearing notch two-armed lever member is on the one hand connected to a pull tab and on the other hand engages the opening portion of the lid surface and is supported by a force applied to the pull tab opening force translating bearing.
  • the opening region is designed as a closure lid and is connected at its outer edge of the tear notch adjacent force and / or positive fit with a collar part of a second plastic material.
  • the collar part is associated with a lid outside of the opening portion and the Aufr employedkerbe adjacent to the lid surface shaped lid receiving part of the first plastic material.
  • the collar part engages over the lid receiving part and between the collar part and the lid receiving part is formed a sealing snap-locking connection with a circumferential dome rib and a complementarily shaped recess.
  • the pull tab is fastened to a fixing region of the collar part radially outside the lid receiving part, and the two-armed lever for breaking the tear notch is formed by a partial circumferential region of the collar part assigned to the fixing region.
  • lid receiving part and collar part according to the invention in the lid having a circumferential tearing notch a very compact, liquid-tight and gas-tight reclosable unit is created on the one hand which can be opened with little force by exploiting a partial circumferential region of the collar part as supported on the lid receiving part lever and easily meets the required requirements for the tightness in the case of reclosing the container opening due to the provided positive snap-locking connection.
  • a pivot plate connection is preferably provided opposite the fixing region between the collar part and at least one provided on the cover surface anchoring element, wherein anchoring element, pivot plate connection and collar part made of the same plastic material.
  • the existing in particular of a third plastic pull tab rests in the rest state on the collar part and extending from the fixing approximately to the opposite inner edge of the collar part, wherein the elasticity of the material of the pull tab is in particular greater than the elasticity the material of the lid receiving part, which in turn is then more elastic than the material of the collar part, when the lid receiving part of the snap-locking connection associated recess is provided.
  • This embodiment promotes easy handling while minimizing the space required for the pull tab.
  • recesses in particular with undercuts, and / or at least one attachment lug are provided for the fixed connection of the collar part with the opening region and the anchoring element with the cover surface or with the edge section in the opening region and in the cover surface or edge region are, and that collar part, lid receiving part and / or anchoring element are positively and / or non-positively fixed in the recesses and / or on the mounting boss by an injection molding process.
  • a known buckling spring element integrated, which during pivoting of the cover part performing collar part over a Aufschwenkwinkel of advantageously more than 90 ° this cover part in the pivoted position holds.
  • a pivoting back of the cover part is possible in connection with such a buckling spring element without problems.
  • the circumferential dome rib on the collar part and the complementarily shaped recess in the lid receiving part are provided.
  • a reverse arrangement may be used to prevent liquid flowing through the opening from accumulating in the recess of the lid receiving member.
  • the height of the above the lid surface located structure of lid receiving part, collar part and pull tab is designed so that it is less than the distance between the lid surface and a in relation to the lid surface in the vertical direction extending edge of the edge portion. It is also possible to keep the container lid peripheral edge free while maintaining a further container parked on a container lid and at the same time to ensure that the lid components provided for the closure of the container are spatially compact enough to fit in the inside curvature usually formed in a container bottom Find.
  • the lid surface and the edge portion of the container lid may be integrally formed.
  • a metallic edge portion connectable, for example, with a flare connection, to a container (e.g., a conventional can).
  • a recess for receiving the lid surface is provided in the edge portion.
  • the cover surface is injection-molded into the recess, wherein the recess adjacent areas of the edge portion are encapsulated on both sides edge-spreading with the plastic material of the cover surface.
  • the end faces and the adjacent edge regions of the recess are encapsulated with a third plastic material in the form of an elastic sealing material in order to ensure a tightness of the connection lid surface / edge portion.
  • the sealing effect of the sealing material is increased if the sealing material is set under pretension by the plastic material of the cover surface surrounding it and connecting with it.
  • the particular ring-shaped pull tab is easily gripped by the pull tab for actuation or engaged, since the collar part is kept spaced with respect to the opening portion and the pull tab due to their distance with an opening finger can be detected and operated under cross.
  • between the pull tab and the opening area always a defined, in particular by the collar part height predetermined distance. This distance makes it possible to easily grasp the pull tab with a finger, easily lift the pull tab and then apply the required for the purpose of full container opening traction. Any risk of injury or damage to a fingernail during the opening process is thus eliminated, and a one-hand or blind operation is possible without any problem.
  • the invention further relates to a method for producing a container lid with an outer edge portion and a recessed to the inside lid surface in which a resealable opening portion is provided.
  • the method according to the invention which is characterized by particular simplicity and by the achievable quality of the resealable opening unit, consists in particular in that the edge section is punched, wherein a recess for the cover surface is provided. Then, the cover surface is injected to form a positive and / or non-positive gas-tight connection with the edge portion in the recess of a plastic material possessing a predetermined elasticity, wherein in the cover surface, a circumferential opening tearing notch and the tear notch at least on the outside adjacent a lid receiving part are formed with a first coupling element.
  • the edge portion and the lid surface are integrally molded from a plastic material possessing a predeterminable elasticity, wherein a lid receiving portion having a first coupling element is formed in the lid surface adjacent to the opening portion and the tear notch adjacent at least on the outside.
  • both methods have in common that then the container lid with the lid receiving part used as a counter-mold and an annular collar part injected from a not connected to the material of the lid receiving part plastic material and the tearing notch inside the opening area is positively and / or non-positively connected, said this annular collar part is designed such that it engages over the lid receiving part and has a complementary to the first coupling element second coupling element and both coupling elements form a snap-locking connection.
  • a pull tab of elastic material is injected simultaneously with the collar part, which is anchored at one end in a radially outer portion of the collar part and extending in the form of a ring tab to the container lid center region.
  • the individual injection molding operations required for the production of the container lid can be realized problem-free in conventional technology, it being evident that in the course of production the lid surface can be used with the already formed lid receiving part as a negative mold for the next injection molding process to form collar part and anchoring element, so that the optimal interaction and the required form-fit in connection with the reclosability can be perfectly achieved.
  • the invention is also directed to a complete container for packaging flowable or pourable products, which is characterized in that it is closed with a container lid with the characteristics of one or more of the container lid claims related.
  • Fig. 1 shows a container lid 1 made of plastic with a rim portion 2 and a lid surface 3.
  • a resealable opening is integrated, as will be explained in detail.
  • Fig. 1 to recognize a connected with a tear tab 15 collar member 5, which is fixedly connected to an opening portion 11 of the container lid 1 and this encloses approximately annular.
  • the connected to the collar part 5 opening portion 11 which can be swung up by means of the tab 15 during the opening process, is anchored to ensure the captivity of the swing-up part with an anchoring element 14 in the container lid 1, wherein a buckling spring element 22 ensures that the lid 1 held in the open position is, in particular, when it is swung over more than an angle of 90 °.
  • the top view Fig. 2 again shows those related to Fig. 1 already mentioned components.
  • the Fig. 2 clarifies that the resealable opening with all its associated components Off-center, in fact arranged such that, in spite of the presence of the resealable opening, the stackability is unchanged as in conventional containers. Prerequisite for this is in addition to the positioning above all the compactness of the resealable opening according to the invention (see also Fig. 3 ).
  • the supernatant of the components of the resealable opening on the cover surface 3 is according to the invention only about 2 mm.
  • Fig. 3 shows the basic structure of the integrated in the container lid resealable opening according to the invention in a sectional view along the line EE in Fig. 2 ,
  • a resealable container lid One of the essential requirements placed on a resealable container lid is that the container, which is closed with a container lid, must be liquid-tight and gas-tight, especially in the area of the resealable opening. Even after the container has been opened via the resealable closure, this closure must ensure that gas-tightness is ensured, since internal pressures in the range of approximately 2 bar may occur due to shaking or shaking effects, in particular in the case of carbonated beverages, with undesirable outgassing effects could adjust if the resealable closure would not ensure the required tightness.
  • Fig. 3 indicates that the resealable closure according to the invention is a unit in which the closure components are integrated into the lid 1.
  • the tear-open area is defined by a conventional tear notch 4 in the lid surface 3.
  • the essential components of the closure according to the invention are formed by a circumferential lid receiving part 10 and a co-operating therewith in the manner of a snap-lock closure collar part 5, which forms together with the located within the tear notch 4 opening portion 11, the swing-lid part, which is connected via a pivot plate connection 16 with the anchoring element 14.
  • On the collar part 5 engages on the outside and the anchoring element 14 opposite the pull tab 15 at.
  • the lid surface 3 comprises a peripheral viewing surface 23 and a lid surface portion 23 a, which receives the essential components of the closure according to the invention.
  • the lid surface portion 23 a is recessed relative to the viewing surface 23.
  • the lid surface portion 23a comprises the opening portion 11 defined by the circumferential tear-open groove 4 of known type.
  • the visible surface 23 and the lid surface portion 23a with the opening portion 11 are formed integrally.
  • Fig. 4 shows a significantly enlarged sectional view corresponding to the circular marked portion of Fig. 3 whereby details of the structure of the container lid 1 can be seen more clearly.
  • the lid receiving part 10 is formed, wherein an annular recess 12 is provided, which has approximately the shape of a downwardly widening U in cross section and is suitable, a snap-locking receptacle for a corresponding / complementary To form counter element.
  • the adjacent to the tear notch 4 circumferentially provided lid receiving part 10 is associated with the collar part 5, which consists of one of the Cover surface 3 - and thus also the lid receiving part 10 - different plastic material and is chosen so that it does not connect with the injection molding process with the material of the lid surface 3 and the cover receiving part 10.
  • the collar part 5 is firmly and gas-tightly connected to the opening region 11 of the container lid, for which purpose a peripheral, web-like attachment projection 6 with openings 7 is provided adjacent to the tear-open groove 4 in the region of the outer circumference of the opening region 11.
  • These perforations 7 allow the formation of webs of the material of the collar part 5, which extend through the formed on the opening portion 11 mounting lug 6 and thus allow a reliable connection of the opening portion 11 and the collar part 5.
  • the pivot plate connection 16 is also provided with the anchoring element 14 also formed simultaneously.
  • the anchoring element 14 can be formed in substantially the same way and is constructed in an analogous manner as the connection between the collar part 5 and the opening portion 11.
  • film hinges 21, which are provided adjacent to the anchoring element 14, is in the pivot plate connection 16 from the the same material existing buckling spring element 22 integrated by conventional design.
  • This buckling spring element 22 holds the collar part 5 with the attached opening portion 11 in the open position when it is swung by more than 90 °.
  • the buckling spring element 22 snaps over and obstructs the closing process in any way.
  • the collar part 5 is connected to a fixing region 13 with the flexibly formed pull tab 15, wherein the connection preferably takes place in the context of an injection process.
  • the pull tab 15 extends to the opposite inner region of the collar member 5, is applied to this and extends substantially parallel to the plane of the opening portion 11, i. it is in the closed state of the resealable opening before a very space-saving, compact arrangement.
  • a plastic material is used, which ensures a slight expansion of the recess 12 when pressing the dome rib 9 and then holding this dome rib 9 via a rounded undercut.
  • a plastic material is used, on the one hand with the material of the lid receiving part 10 no connection and on the other hand also significantly inelastic than the material of the lid receiving part 10. This is also important because the collar part 5 must have a basic stiffness, which is required for the container opening operation.
  • the plastic material used for the pull tab 15 preferably again differs from the already mentioned plastic materials and is so elastic that the pull tab 15 can be easily raised by grasping and then operated in the manner required for opening.
  • the shorter lever is thereby moved inward, ie towards the container interior and the resulting deformation causes - possibly supported by a provided for increasing the rigidity local projection, which can be provided if necessary - a local breaking of the tear 4, then on further pulling the pull tab 15 is separated with little force over the entire circumference.
  • the dome rib 9 leaves the corresponding recess 12 in the lid receiving part.
  • the lid part can then after complete separation of the snap-locking connection via the pivot plate connection 16 and the film hinges 21 of the formed free opening and swung up.
  • the existing buckling spring element 22 the open lid part is held in the open position.
  • the initial opening of the container differs from subsequent opening and closing operations as a rule by the fact that the force required for initial opening is significantly greater than the force required for reopening after reclosure force and above all, the case perceptible noise significantly different is.
  • Fig. 5 shows a lid 1, the edge portion 2 is provided with an internal thread 17, so that the lid 1 can be screwed onto a container with a complementary external thread, such as a bottle.
  • the container can be refilled in a simple manner, since the cover 1 can be unscrewed if necessary and refilling does not have to be done by the resealable opening portion 11.
  • a sealing ring 18 is provided.
  • the above-described embodiments of the subject invention each have a rim portion 2 and a lid surface 3 formed integrally from a plastic.
  • the edge portion 2 may be made of a different material, such as metal, and / or coated. Even with such embodiments, a reliable and strong and above all gas-tight coupling between the material of the edge portion 2 and the plastic of the lid surface 3 must be ensured.
  • the metal sheets used for many beverage containers are provided with paint layers. These paint layers often do not reliably connect with one of the plastics which are suitable for the formation of the cover surface 3. The resulting in a direct encapsulation of the edge portion 2 by the material of the lid surface 3 coupling of the two components is therefore not gas-tight in many cases.
  • adhesion promoters can be used. Another solution is to create a connection with sealing materials.
  • Fig. 6 shows schematically how such a connection can be constructed.
  • a region of the metallic edge section 2 which adjoins a recess and is provided for the shaping of the cover surface 3 is first encapsulated by an elastic sealing material 8 (usually a plastic).
  • the recess is covered on the face side and in the vicinity of the end face with the sealing material 8.
  • the sealing material 8 is set by the plastic material of the lid surface 3 under tension, so that even the container interior against the atmosphere can be completely closed gas-tight, if the plastic materials with the connect paint used for coating the edge section 2, because it is realized here working with a permanent mechanical bias seal.
  • the bias voltage is achieved by the injection pressure and the resulting during spraying emphasis.
  • Fig. 7 shows a further embodiment of the lid 1 for closing a bottle 24.
  • the edge portion 2 of the lid 1 is formed substantially like a crown cap. However, in contrast to conventional bottle caps, in its central region it has a recess into which the lid surface 3 is injected. In order to improve a mechanical connection between the annular edge portion 2 and the lid surface 3, the former has perforations 7 '. Through the openings 7 'can occur in the injection process of the lid surface 3 plastic material and form webs that reliably connect the two components together.
  • connection described above can be formed analogous to the gas-tight connection, which is based on the Fig. 6 was explained. However, this is not necessary because it is not in contact with the interior of the bottle 24.
  • the tightness of the bottle closure therefore depends only on the tightness of the reclosable opening portion 11 associated snap-locking connection and the tightness of the contact between the lid surface 3 and an edge of the bottle 24.
  • Fig. 8 shows an enlargement of the marked with a circle area of Fig. 7 .
  • the structure of the resealable closure is basically constructed as in the covers 1 of Fig. 1 to 4 or 5.
  • the collar part 5 not only has an annular structure, but is additionally provided with a collar portion 25 which covers the opening area 11 of the lid surface 3 and which, inter alia, has an additional stabilizing effect.
  • the anchoring element 14 does not necessarily have to be formed on the cover surface 3. It can also be provided on the edge portion 2. For this purpose, for example, a recess with one or more undercuts in the edge portion 2 may be formed. Alternatively, an anchoring recess can be provided in the edge section 2, in which the anchoring element 14 analogous to that in connection with the in Fig. 6 anchoring the lid surface 3 described in the edge portion 2 is fixed.
  • the edge portion 2 is first made, for example punched from a piece of metal, wherein a recess for the lid surface 3 is provided.
  • the recess can be extrusion coated on the face side and in the vicinity of its end face with the elastic sealing material 8.
  • the lid surface 3 is injected into the recess to form a positive and / or non-positive gas-tight connection with the edge portion 2, wherein in the lid surface 3, the opening portion 11 circumferential tear-4 and the tear-4 adjacent at least on the outside a lid receiving part 10 with the recess 12 are formed.
  • edge portion 2 and top surface 3 is then used with integrated lid receiving part 10 for the next injection molding process as a counter-mold, and the annular collar part 5 is injected from a non-connecting with the material of the lid receiving part 10 plastic material and the tear-4 on the inside adjacent to the opening portion 11 positively and / or non-positively connected, said annular collar part 5 is designed such that it engages over the lid receiving part 10 and has a recess 12 to the complementary shaped rib 9.
  • the annular recess 12 in the lid receiving part 10 thus forms the counter-forming region for the positively engaging dome rib 9, which is an integral part of the annular collar part 5.
  • the pull tab 15 is sprayed simultaneously with the collar part 5, with one end in a radially outer portion of the collar part 5 is anchored and extends in the form of a ring tab 15 to the container lid center region.
  • a supporting area for the pivoting-plate connection 16, which is located on the side of the anchoring element 14, is also formed.
  • the pull tab 15 is also injected using an inclined shape, wherein the pull tab material in the fixing region 13 can penetrate into correspondingly provided recesses of the collar member 5 and in this way the pull tab 15 is fixed.
  • All embodiments of the invention have in common that the resealable container lid in the conventional production process, i. the process of processing container lids without resealable opening, processable and thus applied with the available facilities a Be enjoyederab Stahl on the respective container and the container can be closed.
  • the gas tightness achieved according to the invention also ensures that the durability of the respective contents of the container is in no way adversely affected in comparison with non-resealable containers.

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

Claims (23)

  1. Couvercle de récipient avec une ouverture refermable, en particulier pour récipient de boissons, comprenant une surface de couvercle (3) en une première matière plastique et une portion de bordure (2) qui entoure la surface de couvercle (3), ladite surface de couvercle (3) comprenant une zone d'ouverture (11) délimitée par une rainure de déchirage périphérique (4),
    dans lequel il est prévu un second organe à levier à deux bras destiné à poinçonner la rainure de déchirage (4), lequel est relié d'une part à une languette de traction (15) et attaque d'autre part la zone d'ouverture (11) de la surface de couvercle (3) et est soutenu via un palier qui démultiplie la force d'ouverture appliquée sur la languette de traction (15),
    caractérisé en ce que
    la zone d'ouverture (11) est réalisée sous forme de couvercle d'obturation et est reliée fermement à sa bordure extérieure et au voisinage de la rainure de déchirage (4) à une pièce en collerette (5) en une seconde matière plastique,
    en ce qu'une pièce de réception de couvercle (10) formée de la première matière plastique à l'extérieur de la zone d'ouverture (11) et au voisinage de la rainure de déchirage (4) sur la surface de couvercle (3), est associée à la pièce en collerette (5),
    en ce que la pièce en collerette (5) coiffe la pièce de réception de couvercle (10), et une liaison à encliquetage/enclenchement étanche, comprenant une nervure d'accouplement périphérique (9) et un évidement (12) de forme complémentaire, est réalisée entre la pièce en collerette (5) et la pièce de réception de couvercle (10), et
    en ce que la languette de traction (15) est fixée radialement à l'extérieur de la pièce de réception de couvercle (10) sur une zone de fixation (13) de la pièce en collerette (5), et le levier à deux bras destiné à poinçonner la rainure de déchirage (4) est formé par une zone périphérique partielle, associée à la zone de fixation (13), de la pièce en collerette (5).
  2. Couvercle de récipient selon la revendication 1,
    caractérisé en ce qu'une liaison à languette pivotante (16) est prévue à l'opposé de la zone de fixation (13) entre la pièce en collerette (5) et au moins un élément d'ancrage (14) prévu sur la surface de couvercle (3) ou sur la portion de bordure (2), et l'élément d'ancrage (14), la liaison à languette pivotante (16) et la pièce en collerette (5) sont formés de la même matière plastique.
  3. Couvercle de récipient selon la revendication 1,
    caractérisé en ce que la languette de traction (15), formée en particulier d'une troisième matière plastique, repose à l'état de repos sur la pièce en collerette (5) et s'étend depuis la zone de fixation (13) approximativement jusqu'à la bordure intérieure opposée de la pièce en collerette (5),
    l'élasticité du matériau de la languette de traction (15) est en particulier supérieure à l'élasticité de la matière de la pièce de réception de couvercle (10), laquelle est à son tour plus élastique que la matière de la pièce en collerette (5).
  4. Couvercle de récipient selon la revendication 1, 2 ou 3,
    caractérisé en ce que pour la liaison ferme de la pièce en collerette (5) avec la zone d'ouverture (11), ainsi que de l'élément d'ancrage (14) avec la surface de couvercle (3) ou avec la portion de bordure (2), il est prévu dans la zone d'ouverture (11) et dans la surface de couvercle (13) ou dans la portion de bordure (2) des renfoncements (18), en particulier avec des contre-dépouilles (19), et/ou au moins un talon de fixation (6), et
    en ce que la pièce en collerette (5) et/ou l'élément d'ancrage (14) sont fixés par une opération de moulage par injection en coopération de formes et en coopération de forces dans les renfoncements (18) et/ou sur le talon de fixation (6).
  5. Couvercle de récipient selon la revendication 2,
    caractérisé en ce que la liaison à languette pivotante (16) comprend une charnière en film (21) à deux branches, et un élément en ressort pliant (22) réalisé entre les branches, lequel tient la zone d'ouverture (11) qui a été pivotée en ouverture, dans une position ouverte en angle obtus.
  6. Couvercle de récipient selon l'une des revendications précédentes,
    caractérisé en ce que la nervure d'accouplement périphérique (9) est prévue sur la pièce en collerette (5), et l'évidement de forme complémentaire (12) est prévu dans la pièce de réception de couvercle (10).
  7. Couvercle de récipient selon l'une ou plusieurs des revendications précédentes,
    caractérisé en ce qu'au moins un élément visible, qui est modifié obligatoirement par la première opération d'ouverture de la pièce en collerette (5) dans sa structure et/ou son aspect et/ou sa position, est prévu entre la pièce de réception de couvercle (10) et la pièce en collerette (5).
  8. Couvercle de récipient selon l'une ou plusieurs des revendications précédentes,
    caractérisé en ce que la hauteur de la structure, posée au-dessus de la surface (3) du couvercle et formée de la pièce de réception de couvercle (10), de la pièce en collerette (5) et de la languette de traction (15), est plus faible que la distance entre la surface de couvercle (3) et une arête, de la portion de bordure (2), qui s'étend en direction verticale par rapport à la surface de couvercle (3).
  9. Couvercle de récipient selon l'une ou plusieurs des revendications précédentes,
    caractérisé en ce que l'ouverture refermable (11) et les composants (5, 10, 14) associés à l'ouverture (11) sont réalisé(e)s dans un tronçon (23a) de la surface du couvercle qui est réalisé en renfoncement par rapport à une surface visible (23) qui l'entoure de tous les côtés.
  10. Couvercle de récipient selon l'une ou plusieurs des revendications précédentes,
    caractérisé en ce que la surface du couvercle (3) et la portion de bordure (2) sont réalisées d'une seule pièce.
  11. Couvercle de récipient selon l'une ou plusieurs des revendications 1 à 9,
    caractérisé en ce que la portion de bordure (2) est réalisée en métal, et il est prévu un évidement pour la réception de la surface du couvercle (3), et en ce que la surface du couvercle (3) est injectée dans l'évidement, dans lequel des zones, voisines de l'évidement, de la portion de bordure (2) sont enrobées par injection avec la première matière plastique sur les deux côtés et de manière à coiffer la bordure.
  12. Couvercle de récipient selon la revendication 11,
    caractérisé en ce que les surfaces frontales et les zones de bordure adjacentes de l'évidement sont enrobées avec une troisième matière plastique sous la forme d'un matériau étanchement élastique (8), et en ce que ce matériau d'étanchement (8) mis sous précontrainte par la matière plastique, qui l'entoure et qui établit une liaison avec lui-même, de la surface de couvercle (3).
  13. Couvercle de récipient selon l'une ou plusieurs des revendications précédentes,
    caractérisé en ce que le couvercle de récipient comprend un tronçon à pas de vis conformé d'une seule pièce, qui est en particulier pourvu d'un pas de vis intérieur (17) et auquel est associé de préférence un élément d'étanchéité (18).
  14. Couvercle de récipient selon l'une ou plusieurs des revendications précédentes,
    caractérisé en ce que la languette de traction (15), conçue en particulier en forme d'anneau, est tenue par la pièce en collerette (5) à distance par rapport à la zone d'ouverture (11), et en raison de sa distance, la languette de traction (15) peut être saisie par le dessous au moyen d'un doigt et être actionnée en ouverture.
  15. Procédé pour la fabrication d'un couvercle de récipient (1) comprenant une portion de bordure extérieure (2) et une surface de couvercle (3) en retrait vers l'intérieur par rapport à celle-ci, dans laquelle est prévue une zone d'ouverture refermable (11),
    caractérisé en ce que
    la portion de bordure (2) est poinçonnée, de sorte que l'on réalise un évidement pour la surface de couvercle (3),
    en ce que la surface de couvercle (3) est injectée dans l'évidement en une matière plastique possédant une élasticité prédéterminée, en réalisant une liaison étanche gaz en coopération de formes et/ou en coopération de forces avec la portion de bordure (2), et on réalise dans la surface de couvercle (3) une rainure de déchirage (4) en périphérie de la zone d'ouverture (11), et on réalise une pièce de réception de couvercle (10) voisine, au moins du côté extérieur, de la rainure de déchirage (4) avec un premier élément d'accouplement (12),
    en ce que l'on utilise alors le couvercle de récipient avec la pièce de réception de couvercle (10) comme un contre-moule, et on injecte une pièce en collerette (5) de forme annulaire en une matière plastique qui n'établit pas de liaison avec la matière de la pièce de réception de couvercle (10) et on la relie en coopération de formes et/ou en coopération de forces avec la zone d'ouverture (11) au voisinage de la rainure de déchirage (4) du côté intérieur,
    ladite pièce en collerette (5) de forme annulaire est conçue de telle manière qu'elle coiffe la pièce de réception de couvercle (10) et comprend un second élément d'accouplement (9) formé de manière complémentaire au premier élément d'accouplement (12), et les deux éléments d'accouplement (12, 9) forment une liaison à encliquetage/enclenchement, et
    en ce que l'on injecte, en particulier simultanément avec la pièce en collerette (5), une languette de traction (15) en un matériau élastique, laquelle est ancrée par une extrémité dans une zone de fixation (13), située radialement à l'extérieur, de la pièce en collerette (5), et s'étend sous la forme d'une languette annulaire, vers la zone médiane du couvercle de récipient
  16. Procédé pour la fabrication d'un couvercle de récipient (1) avec une portion de bordure extérieure (2) et une surface de couvercle (3) en retrait vers l'intérieur par rapport à celle-ci, dans laquelle est ménagée une zone d'ouverture refermable (11),
    caractérisé en ce que
    la portion de bordure (2) et la surface de couvercle (3) sont injectées d'une seule pièce en une matière plastique qui possède une élasticité prédéterminée, et l'on réalise dans la surface de couvercle (3) une rainure de déchirage (4) qui entoure la zone d'ouverture (11) puis l'on réalise une pièce de réception de couvercle (10) au voisinage de la rainure de déchirage (4), au moins du côté extérieur, avec un premier élément d'accouplement (12),
    en ce que l'on utilise alors le couvercle de récipient avec la pièce de réception de couvercle (10) comme un contre-moule, et on injecte une pièce en collerette (5) de forme annulaire en une matière plastique qui n'établit pas de liaison avec la matière de la pièce de réception de couvercle (10) et on la relie en coopération de formes et/ou en coopération de forces avec la zone d'ouverture (11) au voisinage de la rainure de déchirage (4) côté intérieur,
    dans lequel ladite pièce en collerette (5) de forme annulaire est conçue de telle manière qu'elle coiffe la pièce de réception de couvercle (10) et comprend un second élément accouplement (9) formé de manière complémentaire au premier élément d'accouplement (12), et les deux éléments d'accouplement (12, 9) forment une liaison à encliquetage/enclenchement, et
    en ce que l'on injecte, en particulier simultanément avec la pièce en collerette (5), une languette de traction (15) en un matériau élastique, laquelle est ancrée par une extrémité dans une zone de fixation (13), située radialement à l'extérieur, de la pièce en collerette (5), et s'étend sous la forme d'une languette annulaire vers la zone médiane du couvercle de récipient.
  17. Procédé selon la revendication 15 ou 16,
    caractérisé en ce que l'on réalise à titre de premier élément d'accouplement un évidement d'accouplement (12) orienté essentiellement perpendiculairement à la surface du couvercle et avec une section transversale conçue approximativement en forme de U, et à titre de second élément d'accouplement on réalise une nervure d'accouplement (9) formé de manière complémentaire.
  18. Procédé selon la revendication 15,
    caractérisé en ce que, avant l'injection de la surface de couvercle (3), on injecte un matériau d'étanche man élastique autour des surfaces frontales de l'évidement ainsi que des zones de bordure adjacentes, lors de l'injection de la matière de la surface de couvercle (3), ledit matériau d'étanchement établissant une liaison avec cette matière et est mis sous précontrainte.
  19. Procédé selon l'une d'revendication 15 à 18,
    caractérisé en ce que, simultanément avec l'injection de la pièce de réception de couvercle (10), on injecte un élément d'ancrage (14) diamétralement à l'opposé de la zone de fixation (13) pour la languette de traction (15), à distance de la pièce de réception de couvercle (10), ledit élément d'ancrage étant relié, lors de la même opération d'injection, via une languette pivotante (16), avec la pièce de réception de couvercle (10), et étant constitué de la même matière.
  20. Procédé selon la revendication 19,
    caractérisé en ce que la liaison mécanique entre l'élément d'ancrage (14) et la surface du couvercle (3) ou la portion de bordure (2) est réalisée de la même manière que la liaison entre la pièce en collerette (5) et la zone d'ouverture (11), et avec les mêmes opérations d'injection.
  21. Procédé selon la revendication 20,
    caractérisé en ce que, lors de l'injection de la languette pivotante (16) entre l'élément d'ancrage (14) et la pièce de réception de couvercle (10), on réalise simultanément une charnière en film (21) à deux branches avec un élément en ressort pliant (22) réalisé entre les deux branches de cette charnière (21)
  22. Récipient pour l'emballage de produits liquides ou capables de s'écouler, en particulier pour l'emballage de boissons,
    caractérisé en ce que le récipient est refermé avec un couvercle de récipient (1) selon l'une ou plusieurs des revendications 1 à 13.
  23. Récipient selon la revendication 22,
    caractérisé en ce que, pour permettre d'empiler les récipients, un fond de récipient est bombé vers l'intérieur à la manière d'une coupole et est réalisé en vue de recevoir la structure, située au-dessus de la surface du couvercle, constituée de la pièce de réception de couvercle (10), de la pièce en collerette (5) et de la languette de traction (15), et en ce que le couvercle de récipient comprend une portion de bordure dépourvue de structures supérieures.
EP20100001042 2010-02-02 2010-02-02 Couvercle de récipient et procédé de fabrication d'un couvercle de récipient Not-in-force EP2354021B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20100001042 EP2354021B1 (fr) 2010-02-02 2010-02-02 Couvercle de récipient et procédé de fabrication d'un couvercle de récipient
PCT/EP2011/000445 WO2011095318A1 (fr) 2010-02-02 2011-02-01 Couvercle de récipient et procédé de fabrication d'un couvercle de récipient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100001042 EP2354021B1 (fr) 2010-02-02 2010-02-02 Couvercle de récipient et procédé de fabrication d'un couvercle de récipient

Publications (2)

Publication Number Publication Date
EP2354021A1 EP2354021A1 (fr) 2011-08-10
EP2354021B1 true EP2354021B1 (fr) 2012-12-26

Family

ID=42211941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100001042 Not-in-force EP2354021B1 (fr) 2010-02-02 2010-02-02 Couvercle de récipient et procédé de fabrication d'un couvercle de récipient

Country Status (2)

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EP (1) EP2354021B1 (fr)
WO (1) WO2011095318A1 (fr)

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KR102064556B1 (ko) 2015-07-29 2020-01-09 피흐, 그레고르 안톤 캔 뚜껑
TWI747548B (zh) * 2020-10-08 2021-11-21 宏全國際股份有限公司 便於拆分的組合式金屬蓋
US11485540B2 (en) 2018-06-19 2022-11-01 Top Cap Holding Gmbh Metallic can end

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DE102013206615A1 (de) * 2012-04-13 2013-10-17 Hirschmann Automotive Gmbh Wiederverschließbarer Verschluss für ein Behältnis
EP3385184B1 (fr) * 2017-04-05 2019-11-27 Gregor Anton Piech Récipient destiné à conserver hermétiquement des produits, en particulier des produits alimentaires
EP3741701B1 (fr) * 2018-06-19 2022-12-14 Top Cap Holding GmbH Procédé de fabrication d'un couvercle de boîte métallique

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DE8911286U1 (fr) 1989-09-22 1989-11-02 Grau, Rainer, 8640 Kronach, De
DE9005150U1 (fr) 1990-05-07 1990-07-19 Wildhirt, Lothar, 6054 Rodgau, De
DE19613246A1 (de) 1996-04-02 1997-10-09 Schmalbach Lubeca Wiederverschließbarer Deckel für Getränkedosen
US6286703B1 (en) * 1998-07-02 2001-09-11 Laurie Munro Resealable drink can
US20090001081A1 (en) * 2002-05-02 2009-01-01 Oliver Schlattl Container lid and container
WO2004065241A1 (fr) 2003-01-24 2004-08-05 Toyo Seikan Kaisha, Ltd. Couvercle de recipient facile a ouvrir refermable et son procede de production
DE202005017270U1 (de) * 2005-11-04 2007-03-15 Schwöbel, Eckhard, Dipl.-Ing. Getränkedose mit Trinkaufsatz
NL2000219C2 (nl) * 2006-09-07 2008-03-10 4Sight Innovation Bv Topelement voor een drankblikje, en drankblikje voorzien van een dergelijk topelement.
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DE102007007372A1 (de) 2007-02-12 2008-08-14 C-A-P Technologies Gmbh Verpackung für rieselfähige oder fließfähige Produkte

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Publication number Priority date Publication date Assignee Title
KR102064556B1 (ko) 2015-07-29 2020-01-09 피흐, 그레고르 안톤 캔 뚜껑
US11485540B2 (en) 2018-06-19 2022-11-01 Top Cap Holding Gmbh Metallic can end
TWI747548B (zh) * 2020-10-08 2021-11-21 宏全國際股份有限公司 便於拆分的組合式金屬蓋

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WO2011095318A1 (fr) 2011-08-11

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