EP3504129B1 - Fermeture à déclic à élément d'inviolabilité - Google Patents

Fermeture à déclic à élément d'inviolabilité Download PDF

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Publication number
EP3504129B1
EP3504129B1 EP17784834.8A EP17784834A EP3504129B1 EP 3504129 B1 EP3504129 B1 EP 3504129B1 EP 17784834 A EP17784834 A EP 17784834A EP 3504129 B1 EP3504129 B1 EP 3504129B1
Authority
EP
European Patent Office
Prior art keywords
cover
front wall
edge portion
state
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.)
Active
Application number
EP17784834.8A
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German (de)
English (en)
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EP3504129A1 (fr
Inventor
Roland Kittmann
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/25—Non-metallic tear-off strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/00351—Dome-like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/0037—Flexible or deformable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/00398—Reinforcing ribs in the central part of the closure
    • B65D2543/00407—Reinforcing ribs in the central part of the closure radial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00527—NO contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546—NO contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00851—Integral tabs, tongues, handles or similar on the central part of the lid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings

Definitions

  • the container opening should be able to be closed with a cover as gas- and liquid-tight as possible, the cover being designed in particular as a so-called tamper-evident closure, i.e.
  • tamper-evident closure i.e.
  • U.S. 3,559,843 A discloses a cover according to the preamble of the present independent claims. Further examples of conventional covers are shown in FIG GB 1 212 270 A , GB 2 395 710 A and GB 845 457 A shown.
  • the object of the present invention is to create an alternative solution for a closure system with a tamper-evident sealing element, in particular a cover that is as gas- and water-tight as possible, which is suitable for as many types of containers as possible, and whose opening and closing mechanism is easy for the customer to understand and is to be actuated, and which can be manufactured as economically as possible in terms of material and costs.
  • the object is achieved by the cover defined in claim 1.
  • This is characterized by a so-called snap mechanism, in which the end wall can be deformed in a bistable manner between a first state that is curved in the plug-on direction and a second state that is curved against the plug-on direction Attachment of the cover to the container or another element to be closed by the cover is suitable.
  • the originality sealing element is realized in that a blocking element is attached to the cover or the container, which blocks a deformation of the end wall required for jumping between the two bistable states and / or prevents expansion sections at the edge portion of the cover from being necessary for the deformation of the end wall between the two to cause bistable states required change of the outer circumference of the cover.
  • the cover can only snap back and forth between the two bistable states after the sealing element has been removed.
  • the object is also achieved by the covers defined in claims 10 and 11. These are also characterized by the snap mechanism already mentioned, but realize the tamper-evident seal in that a grip element required to lift off the cover must first be brought into its functional position. A tamper-evident seal is broken and signals to the user that the cover is no longer in its original state.
  • the invention also includes a closure system formed from the cover according to the invention and the container with the opening to be closed.
  • the sealing element is preferably attached to the cover and / or the wall area via a perforation or material thinning that is easily recognizable from the outside.
  • the sealing element should be easily removable by hand when the container is opened for the first time, without the cover or the container being damaged in any other way when torn off.
  • the sealing element extends at least over such a large partial area of the end wall and / or the edge section provided with the expansion sections that the sealing element reliably prevents the deformation of the end wall or expansion of the expansion sections required for the cover to snap over.
  • the sealing element is preferably designed in a ring shape along the entire outer circumference of the cover and, in particular, is molded directly onto the outermost outer circumference of the cover.
  • the snap mechanism of the cover can be realized in that folds are formed on the edge section, which extend to the outermost outer edge of the cover when the sealing element is removed and, when the cover is snapped over, turn from its folded state into a Spread condition can stretch in order to achieve the desired enlargement of the outer circumference of the cover.
  • the snap mechanism is in the German patent application DE 10 2015 103 036 A1 described in more detail.
  • the folds can be produced from plastic in a particularly cost-effective manner using a so-called thermal process (also known as hot forming, deep drawing or vacuum deep drawing).
  • Thin films made of thermoplastics such as PET, PS and PP are particularly suitable as base materials.
  • they can also be produced, for example, by injection molding, which in particular allows more freedom in three-dimensional shaping and also allows the expansion sections to be produced with expansion grooves or folds formed by different material thicknesses.
  • the expansion sections can also be formed from a softer material component than the predominant remainder of the edge sections.
  • Such covers can be produced particularly well in a multi-component injection molding process and are in the German utility model application DE 20 2015 105 951 U1 described in more detail.
  • Preferred materials for the first (softer) component are: thermoplastic elastomers (TPE) and thermoplastic urethane (TPU).
  • Preferred materials for the second (harder) component are: polycarbonate (PC), acrylonitrile-butadiene-styrene (ABS) and polystyrene (PS).
  • the edge section is reliably prevented in the original state from moving to the extent necessary for the snap mechanism by the originality sealing element, which is also referred to below in some exemplary embodiments as the seal ring expand or contract.
  • the snap function of the cover should only be activated after the sealing ring has been removed.
  • the closure element of the opening to be closed is generally referred to as a cover. If the clamping fastening of the cover engages the outside of the opening wall, the cover is referred to as a cap; on the other hand, if the cover clamps inside against the opening wall, it is referred to as a cover.
  • a cap 10 according to the first embodiment of the invention is shown, which is clamped on the outside of the wall 2 of an opening 1 to be closed of a container or another element to be closed by the cover.
  • the cap 10 has an end wall 11 of an essentially circular basic shape, on the circumferential edge of which an annular edge section 12 is formed.
  • the edge section 12 has a central section 17 running essentially axially, ie along the plug-on direction, and a lip section 18 running transversely thereto, ie in the radial direction.
  • On the middle section 17 are protruding radially inward Latching knobs 19 are formed, which are designed for a clamping engagement in an annular groove 3 on the outer circumference of the opening wall 2.
  • the cap material should have sufficient rigidity. According to the invention, this is achieved in the case of a cover with a substantially homogeneous wall thickness produced using the thermal process, in that stiffening ribs 13 are provided in the transition area between the end wall 11 and the edge section 12.
  • stiffening ribs 13 are provided in the transition area between the end wall 11 and the edge section 12.
  • the stiffening areas 13 can also be designed as areas of increased material thickness. In a multi-component injection molding process, these areas can also be formed using a harder material component.
  • the Figure 1a shows a cross section through the cap 10 in a peripheral section in which a stiffening area 13 is provided. However, the stiffening areas can only be present intermittently at some circumferential sections, while the transition area between the end wall 11 and the edge section 12 remains otherwise unstiffened.
  • a cylindrical grip element 15 (so-called grip dome) is also integrally formed on the end wall 11, on which the cap 10 can be gripped well and pulled off the opening 1 in the axial direction without tilting.
  • additional grip knobs 16 can be attached to a circumferential edge of the grip element 15, which increase the security against slipping.
  • the lip section 18 of the edge section 12 has a sealing ring 18a which can be separated by a material thinning or perforation 18b formed as a predetermined breaking point.
  • the sealing ring 18a is connected to the central section 17 via the material perforation 18b and is intended to prevent it (not shown in the cross section of the drawing - see however Figures 9 and 10 ) Can expand expansion sections in the middle section 17 when the handle dome 15 is pressed downwards.
  • it is important that the seal ring 18a does not contain any such expansion sections, i.e.
  • the cap 10 when the cap 10 is manufactured in a multi-component injection molding process, it consists at least predominantly and preferably consistently of a harder material component than the expansion sections or, when manufactured in a deep-drawing process, has no folds, which reach up to the outermost peripheral edge of the cover 10.
  • the cap 10 should only be able to deform into the second bistable state after removal of the sealing ring 18a, in which the end wall 11 snaps into a concave shape and the edge section 12 widens while maintaining an unchanged transition angle ⁇ .
  • the widening of the edge section 12 is only possible because the widening of the stretching sections is no longer prevented if the sealing ring 18a is missing.
  • the second embodiment of the closure cap 20 is described with reference to FIG Figures 2a-d explained.
  • the function and design of the end wall 21, the edge section 22, the stiffening areas 23, the grip dome 25 and the grip knobs 26 are analogous to that in FIG Figure 1 shown first embodiment and should not be explained again here.
  • the only difference to the first embodiment is the transition from the middle section 27 to the lip section 28.
  • This is shown in two variants, the one in FIG Figure 2c
  • the variant shown can be produced well in the thermoforming process, while that in the Figure 2b
  • the variant shown can be produced in the injection molding process, preferably in a multi-component injection molding process.
  • the middle section 27 runs in the cross section shown in such a way that it no longer merges at right angles into the lip section 28 (as in FIG Figure 1 ), but describes a radius of curvature which is caused by the formation of the expansion sections as folds or as bulges in the middle section 27.
  • the seal ring 28a has no expansion sections and only when the seal ring 28a is removed along the perforation 28b do the expansion grooves in the middle section 27 and the remaining lip section 28c up to the outermost Reach the outer edge of the cover 20.
  • the cap 20 when jumping into the concave bistable state of the Figure 2c expand in their edge section 22 so that the cap 20 can be removed from the opening 1 to be closed.
  • the remaining lip portion 28c can be useful when the cover 20 is not to be used as a cap but as a lid, as in FIG Figure 4 and 5 should be shown and explained in more detail.
  • FIG. 2c shows (analogous to Figure 1c ) the cap 20 in the open position with the seal ring 28a removed.
  • the Figures 3a and 3b show two preferred variants of the first exemplary embodiment of the cap 10, which relate to simplifications in the manufacturing technology.
  • the seal ring 18a runs in a downwardly angled shape.
  • Such an angular section can be produced particularly well using deep-drawing technology and has (like the original variant according to FIG Figure 1 ) the advantage that the perforation 18b between the sealing ring 18a and the middle section 17 can be made from above using a punching tool after the deep-drawing process.
  • the sealing ring 18a runs at an angle of about 45 ° to the middle section 17 running in the plug-on direction.
  • the perforation 18b between the middle section 17 and the sealing ring 18a can be produced by attaching a punching tool that encompasses the cap 10 from the side.
  • punching processes are customary and easy to use, especially when manufacturing by injection molding.
  • the Figure 4a shows the third embodiment in which the cover is no longer designed as a cap clamping from the outside, but rather as a cover 30 seated on the inside in the opening wall 2.
  • the concave bistable state with the larger outside diameter is then the closed state, while the convex bistable state with the smaller outside diameter is the open state.
  • the transition angle ⁇ between the end wall 31 and the edge section 32 is no longer larger here, but smaller than 90 °. Otherwise, the function of the end wall 31, the edge section 32, the stiffening area 33, the middle section 37 and the lip section 38 with perforation 38b and sealing ring 38a is exactly the same as in the second embodiment of FIG Figure 2 and should therefore not be explained in more detail here.
  • the wall section 2 of the container opening 1 does not have an external circumferential groove, but an internal groove 4 which ends in an inwardly projecting shoulder 5 which is intended to prevent the lid 30 from entering the opening 1 falls into it.
  • the handle element 35 is no longer designed as a handle dome, but as a bow handle. Depending on the manufacturing technique, you can choose between the different handle shapes and the desired requirements for the handle element can be freely selected.
  • the lip section 38c remaining along the perforation 38b after the sealing ring 38a has been torn off can spread into the inner groove 4 and thus effect a secure fit of the cover 30 on the opening 1 to be closed.
  • the handle 35 is in the in Figure 4a shown closed position so far within the opening 1 that an unintentional opening by an impact on the handle 35 is very unlikely.
  • Figure 5 shows a fourth embodiment of the invention, in which the cover 40 has a significantly flatter shape than in the embodiments described so far.
  • the transition angle ⁇ between the end wall 41 and the edge section 42 is no longer in the vicinity of 90 ° but approximately 160 ° to 170 °.
  • the function of the end wall 41, the edge section 42, the stiffening area 43 and the grip element 35 is the same as in the third exemplary embodiment Figure 4 and should therefore not be explained in more detail here.
  • Figure 5 explains on the basis of two illustrative examples how the seal ring 38a, which is only shown schematically in FIG. 4, can be removed.
  • the Figure 5 illustrates two modifications in a single schematic representation.
  • the sealing ring 48a ends in a tab 48A protruding from the inner groove 4, by means of which it can be gripped from above and removed along the perforation 48b.
  • This variant is essentially based on the one in Figure 4 illustrated basic principle and differs from this only in the length and the spatial orientation of the seal ring 48a.
  • the Figure 5a Another variant is shown, which differs fundamentally from the variants and exemplary embodiments shown so far and is explained in more detail below.
  • the enlarged section D of the Figure 5b shows that the seal ring 48a is essentially as in the Figure 4 is formed on the radially outermost edge of the lid 40 and extends so far upwards out of the container through a bent extension in the form of a grip tab 48A that is bent, for example, during the assembly of the lid 40 on the container, that it easily touches the perforation to remove the sealing ring 48a 48b can be separated from the edge section 42. Only then can the ones formed in the edge section 42 develop Expansion grooves (not shown in the section shown here - but see Fig. 9 ) expand or contract when jumping between the two bistable states of the end wall 41.
  • the sealing ring 42a is no longer seated at the outermost radial end of the edge section 42, but above it, that is, starting from the edge section 42, extends upwards against the attachment direction.
  • the sealing ring 42a can be molded onto the cover 40, for example in an injection molding process.
  • the sealing ring 42a is able to prevent the expansion sections in the edge section 22 from expanding because it connects the areas between two expansion sections and, due to its material properties (the harder material in multi-component injection molding technology), the material expansion provided for the expansion sections is not or not at all goes along to the required extent.
  • the embodiment of the cover 40 according to FIG Figure 5 differs in particular from the previously described embodiments by the particularly large angle ⁇ in the transition area between end wall 41 and edge section 42. This gives cover 40 an attractive outer shape and a particularly effective increase in the outer diameter when jumping between the two bistable states .
  • the Figure 6 is intended to illustrate possibilities of how the seal ring 48a according to the invention can be pulled off the container when the cover is opened for the first time. There are two modifications of the Figure 5b Shown embodiment shown.
  • FIG. 6b it can be seen that the upper edge 6 of the container opening 1 to be closed has a recess 7 through which the sealing ring 48a as in FIG Figure 6a shown on its tab 48A is easy to grip from above.
  • a sealing ring 48a protruding downward from the recess can just as well be provided as it is in FIG Figures 6c and 6d is shown.
  • the sealing ring 48a can be removed from the cover by gripping it by hand at the tab 48A and pulling on it on the right in the drawing along its perforation 48b. It is just as well possible to hold the seal ring 48a by its tab 48A while the container is rotated so that the seal ring 48a is released from the lid along the circumferential perforation 48b.
  • the sealing ring 58a is not only molded onto the outermost peripheral edge of the edge section 52 (as part of its lip section 58), but is also connected to the uppermost peripheral edge 6 of the container wall 2.
  • the perforation 58b is then located at the point of the lip portion 58 at which the stretching portions (not shown - but see Fig. 10 ) end up.
  • an air gap should remain between the step 5 and the lip portion 58, so that the cover 50 can be pushed through a little to detach the sealing ring 58a.
  • the sealing ring 58a preferably remains on the wall section 2. Then the remaining lip section 58c of the cover 50 can sealingly engage in the gap between the sealing ring 58a and the step 5, which serves as an inner groove 4, when it is in the closed position (not shown).
  • the Figure 8 shows schematically the possibility of attaching the sealing ring only to a section of the peripheral edge 6 of the container wall 2.
  • the seal ring 6a as in that of FIG Figure 8a shown, an extension projecting inwardly from the inner circumference of the peripheral edge 6, which extension can be detached from the wall section 2 of the container opening 1 along the perforation 6b.
  • the cover 60 then no longer has its own seal ring.
  • the annular seal ring 6 a is formed so that it forms the entire upper peripheral end of the container wall 2. In both cases, the seal ring 6a blocks the vertical movement of the cover edge section required for the cover 69 to jump over and thus prevents the cover 60 from being brought into its open position with the seal ring 6a intact.
  • the cover 70 shown has an end wall 71 of essentially circular basic shape, on the circumferential edge of which an annular edge section 72 is formed.
  • the Figure 9a shows a partially sectioned side view. In the left half of the figure, the cover 70 can be seen from the side, while it is cut open on the inside in the right half so that the rear inside of the cover 70 can be seen.
  • the lid 70 is shown in its open position, ie the end wall 71 is, as in FIG Figure 7a seen in their convex, upwardly domed bistable state. If the end wall 71 snaps into its concavely downwardly curved state (ie in the plug-on direction), the outer circumference of the edge section 72 increases so that a radial end of the edge section 72 can engage with an inner groove 4 in the wall area 2 of the opening 1 to be closed .
  • the cover material should have sufficient rigidity. This is achieved in that the transition between end wall 71 and edge section 72 has a greater material thickness than the central region of end wall 71, at least in partial sections, but preferably over the entire circumference.
  • the edge section 72 ends both in its expansion sections 74a and in its intermediate sections 74b in a circumferential locking ring 79 which is also formed from a softer material component, preferably the same as the expansion sections 74a.
  • This circumferential locking ring 79 gives the thin-walled cover 70 additional dimensional stability, but is also sufficiently elastic to allow the enlargement of the outer circumference in the concave fold-over position.
  • the cover 70 also has a grip element 75 formed centrally on its end wall 71 in the form of a handle or bracket. This can be gripped securely and reliably by hand or with a hook or the like in order to put the cover 70 on the opening 1 to be closed and pull it off again without tilting sideways.
  • the already mentioned multi-component injection molding from one or more thermoplastics is particularly well suited as a production method for the cover 70.
  • the multi-component technology allows a first (base) component to be injected for the end wall 71 and the intermediate sections 74b, while the expansion sections 74a as well as the locking ring 79 are injected directly from a softer second component in a single manufacturing process.
  • An optional third (particularly hard) material component for the transition area between end wall 71 and edge section 72 can also be injected directly in a single multi-component injection molding.
  • the closure cap 80 shown can be produced in a particularly material-saving and cost-effective manner by a thermal process.
  • the cap 80 has an end wall 81 of a substantially circular basic shape, on the circumferential edge of which an annular edge section 82 is formed.
  • the edge section has a central section 87 running essentially axially, ie along the attachment direction, and a lip section 88 running transversely thereto, ie in the radial direction.
  • locking knobs 89 projecting radially inward are preferably formed, which are designed for a clamping engagement in an opening outer wall (in particular in an annular groove provided therein).
  • the cap 80 is shown in its open position, ie the end wall 81 is as in FIG Figure 10a to see, in their concave downward (ie in the direction of attachment) curved bistable state. If the end wall 81 snaps into its convex, upwardly curved state, the inner and outer circumference of the edge section 82 is reduced so that the latching knobs 89 come into engagement with the wall area of the opening to be closed.
  • stiffening ribs 83 are provided in the transition area between end wall 81 and edge section 82. These stiffening ribs 83 run from the radially outer area of the end wall 81 radially outwards and extend into the middle section 87 of the edge area 82. They thus represent, according to the principle of the bead, an elevation or depression running transversely to the material plane, which stiffen the cover 80 in the area of the angle ⁇ creates.
  • the folds of the edge portion 82 created in this way create expansion grooves 84a which are similar in structure to webbed feet and enable a desired increase in the outer circumference or diameter of the cover 80 between the two bistable states. It must be ensured that the folds extend to the outermost outer edge, i.e. that the expansion grooves 84a on the outer circumference of the lip portion 88 form radial openings 84c. With these approximately semicircular openings 84c, the edge section 82 can actually “unfold” in the concave folded down state and enlarge its outer circumference compared to the convex folded up state.
  • Figure 11a shows the eighth embodiment of the present invention in a partially sectioned side view.
  • Figure 11b shows the associated plan view and a line XX, along which the section was made on the right half of the figure, which corresponds to that in FIG Figure 11a Sectional view shown leads.
  • the cap 90 is similar in structure to the cap 10 of FIG Figure 1 .
  • the correspondences essentially lie in the fact that the cap 90, like the cap 10, rests externally in a clamped manner on the wall 2 of an opening 1 to be closed by radially inwardly projecting projections 99 of the edge section 92 engaging a groove in the wall 2 on the outside.
  • the cap 90 has the stiffening areas 93 and the expansion sections 94a separated by intermediate sections 94b, which allow the end wall 91 to jump around the end wall 91 between the two bistable states to open the cap 90 in the manner already explained several times.
  • the cap 90 has a grip element 95, which is designed here as a bow-type handle, for gripping and opening the cap 90.
  • the tamper-evident seal should not be achieved indirectly by preventing a change in the outer circumference of the cap 90 in the original state. Instead, the end wall 91 should be prevented directly from jumping over into the second bistable state. This is achieved according to the invention by the central webs 91a formed as a sealing element on the end wall 91, which stiffen the end wall 91 like ribs and thereby act as a mechanical barrier against elastic deformation of the cap 90 in and against the attachment direction.
  • connection area between the webs 91a and the end wall 91 is perforated and this perforation 91b acts as a predetermined breaking point in order to be able to easily remove the webs as a tamper-evident sealing element 91a when the cap 90 is opened for the first time.
  • four webs 91a form a right-angled cross.
  • the distances between the webs 91a also need not necessarily be selected to be equidistant, and the fastening line between the webs 91a and the end wall 91 does not have to run radially and continuously (as shown).
  • the central webs 91a also be attached to the opening wall 2 and detached from this via a predetermined breaking point when opening the first time.
  • FIG. 13 shows a plan view of the cover 100 and a line XX along which the section corresponding to that in FIG Figure 12a The sectional view shown of the cover 100 leads.
  • FIG. 13 shows a plan view of the cover 110 and a line XX along which the section corresponding to that in FIG Figure 13a
  • the sectional view shown of the cover 110 leads.
  • the basic structure of the relatively flat cover 110 with the edge section 112, the stiffening ribs 113, the expansion sections 114a, the intermediate sections 114b and the projection or locking ring 119 essentially corresponds to that in FIG Figure 5 shown structure of the fifth embodiment.
  • the tamper-evident security is not brought about here either by fixing the outer circumference, but by direct mechanical blocking of the end wall 111 in its closed bistable state. This is in turn achieved by four webs 111a which are formed on the cover 110 via a perforation 111b as a predetermined breaking point.
  • the webs 111a are attached to the edge section 112 of the cover 110 and also do not extend downward in the attachment direction flush with the course of the end wall 111, but each have only one flat base element and at least a spacer 111a ′ which extends axially from the base element in the plug-on direction and which prevents the distance between the end wall 111 and the horizontally extending part of the stiffening element 111a from being reduced.
  • the tenth exemplary embodiment also works just as well in variants in which the web 111a runs flat in the attachment direction, as is also the case with exemplary embodiments 8 and 9.
  • the invention is not restricted to the number of webs, spacers, their radial orientation, etc. here either.
  • the perforation 111b is also not necessarily positioned on the edge section 112 and can instead, for example, also be provided on the opening wall or at the connection point between the spacers 111a ′ and the end wall 111.
  • FIG. 14a shows a cover 120 with a tamper-evident sealing element according to an eleventh exemplary embodiment of the invention.
  • FIG. 13 shows a plan view of the cover 120 and a line XX along which the section corresponding to that in FIG Figure 14a The sectional view shown of the cover 120 leads.
  • the basic structure of the cover 120 with the end wall 121, the edge section 122, the stiffening ribs 123 and the expansion and intermediate sections 124a, 124b as well as the projection or locking ring 129 corresponds to the cover 100 of FIG Figure 12a and the lid 30 of the Figure 4a .
  • the tamper-evident security of the cover 120 of the eleventh exemplary embodiment is achieved by a special design of the grip element 125.
  • the handle element 125 In the in the Figures 14a-d The positions shown, the handle element 125 is shown in its normal operating position after removal of the tamper-evident seal. The bow handle 125 releases by pulling upwards (see arrow in the Figure 14a ) a bistable jumping around the end wall 121, which brings about a reduction in the outer circumference of the cover and thus enables the cover 120 to be lifted off the opening.
  • the handle element 125 Before the first opening, however, the handle element 125 is in the one in the Figures 14e and 14f shown original condition.
  • the bracket of the grip element 125 is folded back around the film hinge 125a and connected to the end wall 121 along a perforation line 125b on the edge of the bracket or otherwise glued or welded to this so that it rests flush on the end wall 121.
  • the user In this closed original position, the user cannot take hold of the end wall 121 at any point in order to move the To let end wall 121 snap by pulling it up into its open state. Only by loosening the bracket element along the perforation line 125b or separating the adhesive or welding can the user fold the grip element 125 around the film hinge 125a so that it moves from the flat position shown in FIGS. 14e and 14f into the position shown in FIGS Figures 14c and 14d shown position. Only after this tamper-evident seal has been released does the grip element 125 consequently fulfill its function and allow the user to open and close
  • FIG. 13 shows a plan view of the cover 130 and a line XX along which the section corresponding to that in FIG Figure 15a
  • the sectional view shown of the cover 130 leads.
  • the basic structure of the cover 130 with the end wall 131, the edge section 132, the stiffening ribs 133, the expansion and intermediate sections 134a, 134b and the locking ring 139 is analogous to the eleventh embodiment of FIG Figure 14 (and thus also to the exemplary embodiments of the Figures 4 and 12th ).
  • the tamper-evident security is to be achieved in exemplary embodiment 12 in that the cover 130 can indeed snap in its original state, but the user does not have a suitable grip element to pull up the end wall 131 (in the direction of the arrow in Figure 15a ) finds.
  • the end wall 131 has a slot-shaped depression or trough 135 with a cross-sectional constriction 135a in its center.
  • This tool is supplied in the form of a handle part 135A-C, the design and functionality of which are shown in the Figures 15c-j is explained in more detail.
  • the handle part 135A-C is preferably molded, glued or spot welded onto the cover 131 or the opening wall 2, and can be separated therefrom at a predetermined breaking point, in particular along a perforation line. However, this is not shown in the drawings.
  • the Figure 15c shows section F of Figure 15a with a handle part 135A or 135B anchored in the opening slot 135.
  • the handle part 135A can, according to a first variant, have an opening window 135A ′ in the lower section, into which the projections of the slit constriction 135a engage for locking the handle part 135A.
  • the handle part 135B according to the second variant has only one narrowing 135B', as shown in FIGS Figures 15f and 15g is shown.
  • the opening slot 135 can also have a cross-sectional widening 135b into which a bulge 135C 'of a correspondingly shaped handle part 135C engages.
  • This variant is in the Figures 15h-j shown.
  • the present invention relates to a cover 10... 130, which works with a bistable snap mechanism, for attaching to an opening 1 of a container to be closed or to another element to be closed by the cover.
  • a cover 10... 110 and / or a container wall area 2 is a tamper-evident sealing element 18a ... 58a; which is to be removed when the container is opened for the first time.
  • 42a; 6a; 91a ... 111a attached which, before it is removed, blocks a deformation of the end wall 11 ... 111 required for jumping between the two bistable states and / or prevents an expansion section 74a ... 114a required for the snap mechanism from being used for the Deformation of the cover end wall 11 ...
  • a pull-off cover 120; 130 required handle element 125; 135A-C can also be designed in such a way that it can only be used after the tamper-evident seal has been overcome.

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

Claims (15)

  1. Élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110) à emboîter sur une ouverture (1) à fermer d'un récipient ou tout autre élément à fermer au moyen de l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110), comprenant
    une paroi frontale (11 ; 21 ; 31 ; 41 ; 51 ; 71 ; 81 ; 91 ; 101 ; 111) qui peut être déformée de manière bistable entre un premier état bombé dans la direction d'emboîtement et un second état bombé à l'encontre la direction d'emboîtement, et
    une partie marginale annulaire (12 ; 22 ; 32 ; 42 ; 52 ; 72 ; 82 ; 92 ; 102 ; 112) formée au niveau du bord périphérique de la paroi frontale (11 ; 21 ; 31 ; 41 ; 51 ; 71 ; 81 ; 91 ; 101 ; 111) et conçue pour exercer une fixation par blocage de l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110) au niveau d'une zone de paroi (2) de l'ouverture (1) par le fait que la partie marginale (12 ; 22 ; 32 ; 42 ; 52 ; 72 ; 82 ; 92 ; 102 ; 112) dans le premier état intérieur ou dans le second état extérieur pousse contre la zone de paroi (2),
    dans lequel la partie marginale (12 ; 22 ; 32 ; 42 ; 52 ; 72 ; 82 ; 92 ; 102 ; 112) présente au moins une partie d'allongement (74a ; 84a ; 94a ; 104a ; 114a) qui permet d'augmenter le pourtour extérieur de l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110) dans le premier état bistable par rapport au second état bistable,
    caractérisé en ce que, sur l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110) et/ou la zone de paroi (2), est monté un élément de scellement inviolable (18a ; 28a ; 38a ; 48a ; 58a ; 42a ; 6a ; 91a ; 101a ; 111a) à éliminer lors de la première utilisation du récipient qui bloque, avant son élimination, une déformation de la paroi frontale (11 ; 21 ; 31 ; 41 ; 51 ; 71 ; 81 ; 91 ; 101 ; 111) requise pour basculer entre les deux états bistables et/ou empêche la partie d'allongement (74a ; 84a ; 94a ; 104a ; 114a) d'exercer la modification du pourtour extérieur de l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110) requise pour la déformation de la paroi frontale (11 ; 21 ; 31 ; 41 ; 51 ; 71 ; 81 ; 91 ; 101 ; 111) entre les deux états bistables.
  2. Élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110) selon la revendication 1, dans lequel la matière à l'endroit où l'élément de scellement (18a ; 28a ; 38a ; 48a ; 58a ; 42a ; 6a ; 91a ; 101a ; 111a) est monté au niveau de l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110) et/ou de la zone de paroi (2), présente un point de rupture de consigne, en particulier est perforée ou amincie, de telle sorte que l'élément de scellement (18a ; 28a ; 38a ; 48a ; 58a ; 42a ; 6a ; 91a ; 101a ; 111a) peut être enlevé à la main en déchirant la perforation (18b ; 28b ; 38b ; 48b ; 58b ; 6b ; 91b ; 101b ; 111b) ou l'amincissement de matière.
  3. Élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110) selon la revendication 1 ou 2, dans lequel l'élément de scellement (18a ; 28a ; 38a ; 48a ; 58a ; 42a ; 6a ; 91a ; 101a ; 111a) s'étend au moins sur une zone partielle de la paroi frontale (91 ; 101 ; 111) et/ou de la partie marginale annulaire (12 ; 22 ; 32 ; 42 ; 52 ; 72 ; 82).
  4. Élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 70 ; 80) selon la revendication 3, dans lequel l'élément de scellement (18a ; 28a ; 38a ; 48a ; 58a ; 42a) est monté ou formé de manière annulaire le long de la zone partielle ou de la totalité du pourtour extérieur de la partie marginale (12 ; 22 ; 32 ; 42 ; 52 ; 72 ; 82).
  5. Élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80) selon la revendication 3 ou 4, dans lequel, ce n'est qu'après élimination de l'élément de scellement (18a ; 28a ; 38a ; 48a ; 58a) que l'au moins une partie d'allongement (74a ; 84a) parvient jusqu'au bord extérieur radial le plus extérieur de l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80) et peut exercer une augmentation du pourtour extérieur de la partie marginale dans le premier état bistable par rapport au second état bistable.
  6. Élément de recouvrement (40) selon la revendication 3 ou 4, dans lequel l'élément de scellement (42a) s'étend vers le haut à partir de la partie marginale (42) à l'encontre de la direction d'emboîtement et sur le bord extérieur radial le plus extérieur de l'élément de recouvrement (40) est montée une bague d'étanchéité (42c) constituée d'une matière élastique.
  7. Élément de recouvrement (90 ; 100 ; 110) selon une des revendications 1 à 3, dans lequel l'élément de scellement est formé par un ou plusieurs éléments de raidissement (91a ; 10a ; 111a) qui bloquent mécaniquement une déformation de la paroi frontale (91 ; 101 ; 111) dans la direction d'emboîtement et à l'encontre de celle-ci.
  8. Élément de recouvrement (90 ; 100) selon la revendication 7, dans lequel l'élément de raidissement est une traverse (91a ; 10a) qui s'étend transversalement sur la paroi frontale (91 ; 101) et s'élève sous forme de nervure à l'encontre de la direction d'emboîtement.
  9. Élément de recouvrement (110) selon la revendication 7, dans lequel l'élément de raidissement (111a) présente un élément de base sensiblement plat et un ou plusieurs éléments d'espacement (111a') qui agissent contre une diminution de l'espacement entre l'élément de raidissement (111a) et la paroi frontale (111).
  10. Élément de recouvrement (120) à emboîter sur une ouverture (1) à fermer d'un récipient ou tout autre élément à fermer au moyen de l'élément de recouvrement (120), comprenant
    une paroi frontale (121) qui peut être déformée de manière bistable entre un premier état bombé dans la direction d'emboîtement et un second état bombé à l'encontre de la direction d'emboîtement, et
    une partie marginale annulaire (122) formée au niveau du bord périphérique de la paroi frontale (120) et conçue pour exercer une fixation par blocage de l'élément de recouvrement (120) au niveau d'une zone de paroi (2) de l'ouverture (1) par le fait que la partie marginale (122) dans le premier état intérieur pousse contre la zone de paroi (2),
    dans lequel la partie marginale (122) présente au moins une partie d'allongement (124a) qui permet d'augmenter le pourtour extérieur de l'élément de recouvrement (120) dans le premier état bistable par rapport au second état bistable,
    caractérisé en ce qu'un élément de préhension (125) requis pour ôter l'élément de recouvrement (120), en tirant, est conçu de manière à ne pouvoir être utilisé qu'après suppression d'un élément d'inviolabilité lors de la première utilisation du récipient par le fait que l'élément de préhension (125) repose à plat sur la paroi frontale (121) et ne peut être redressé du plan de la paroi frontale (121) qu'après élimination de l'élément d'inviolabilité en sectionnant un point de rupture de consigne de la liaison entre l'élément de préhension (125) et la paroi frontale (121), en particulier une zone partielle de liaison perforée ou amincie (125b), de telle sorte que l'élément de préhension (125) peut être utilisé pour ôter l'élément de recouvrement (120), en tirant.
  11. Élément de recouvrement (130) à emboîter sur une ouverture (1) à fermer d'un récipient ou tout autre élément à fermer au moyen de l'élément de recouvrement (130), comprenant
    une paroi frontale (131) qui peut être déformée de manière bistable entre un premier état bombé dans la direction d'emboîtement et un second état bombé à l'encontre de la direction d'emboîtement, et
    une partie marginale annulaire (132) formée au niveau du bord périphérique de la paroi frontale (131) et conçue pour exercer une fixation par blocage de l'élément de recouvrement (130) au niveau d'une zone de paroi (2) de l'ouverture (1) par le fait que la partie marginale (132) dans le premier état intérieur pousse contre la zone de paroi (2),
    dans lequel la partie marginale (132) présente au moins une partie d'allongement (134a) qui permet d'augmenter le pourtour extérieur de l'élément de recouvrement (130) dans le premier état bistable par rapport au second état bistable,
    caractérisé en ce qu'un élément de préhension (135A-C) requis pour ôter l'élément de recouvrement (130), en tirant, est conçu de manière à ne pouvoir être utilisé qu'après suppression d'un élément d'inviolabilité lors de la première utilisation du récipient par le fait que la paroi frontale (131) présente un évidement d'encliquetement (135) dans lequel s'adapte un élément de préhension (135A-C) qui peut être inséré dans l'évidement d'encliquetement (135) pour encliquetage, dans lequel l'élément de préhension (135A-C) est monté avant la première ouverture de l'élément de recouvrement (130) au niveau de l'élément de recouvrement (130) et/ou d'une paroi (2) de l'ouverture (1) et ne peut être séparé de celle-ci qu'après suppression de l'élément d'inviolabilité.
  12. Élément de recouvrement (80 ; 100 ; 120 ; 130) selon une des revendications précédentes, dans lequel
    la partie d'allongement (84a ; 104a ; 124a ; 134a)) est formée par des plis de la partie marginale (82 ; 102 ; 122 ; 132) qui sont disposés de préférence de manière équidistante et sont conçus pour, lors de l'élimination de l'élément de scellement (18a ; 28a ; 38a ; 48a ; 58a ; 42a ; 6a ; 101 ; 121a ; 131a), passer d'un état plié à un état déplié lorsque la paroi frontale (81 ; 101 ; 121 ; 131) se déforme du premier état bistable dans le second état bistable, et
    l'élément de recouvrement (80 ; 100 ; 120 ; 130) est fabriqué de préférence en une pièce en matière plastique selon un procédé de thermoformage ou de moulage par injection.
  13. Élément de recouvrement (70 ; 90 ; 110) selon une des revendications 1 à 11, dans lequel
    la partie d'allongement (74a ; 94a ; 114a) est fabriquée à partir d'un deuxième composant qui est plus mou qu'un premier composant à partir duquel le reste de la partie marginale (72 ; 92 ; 112) et/ou l'élément de scellement (18a ; 28a ; 38a ; 48a ; 58a ; 42a ; 6a ; 91a ; 111a) est fabriqué, et
    l'élément de recouvrement (70 ; 90 ; 110) est de préférence fabriqué en une pièce en matière plastique selon un procédé de moulage par injection par une technique à plusieurs composants.
  14. Élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110 ; 120 ; 130) selon une des revendications précédentes, dans lequel
    dans la zone de jonction entre la paroi frontale (11 ; 21 ; 31 ; 41 ; 51 ; 71 ; 81 ; 91 ; 101 ; 111 ; 121, 131) et la partie marginale (12 ; 22 ; 32 ; 42 ; 52 ; 72 ; 82 ; 92 ; 102 ; 112 ; 122 ; 132) est prévue une zone de raidissement (13 ; 23 ; 33 ; 43 ; 53 ; 73 ; 83 ; 93 ; 103 ; 113 ; 123 ; 133) qui sert à ce que l'angle (µ) selon lequel la paroi frontale (11 ; 21 ; 31 ; 41 ; 51 ; 71 ; 81 ; 91 ; 101 ; 111 ; 121 ; 131) continue dans la partie marginale (12 ; 22 ; 32 ; 42 ; 52 ; 72 ; 82 ; 92 ; 102 ; 112 ; 122 ; 132) est constant, c'est-à-dire est aussi grand dans le premier état bistable que dans le second état bistable,
    la zone de raidissement (13 ; 23 ; 33 ; 43 ; 53 ; 73 ; 83 ; 93 ; 103 ; 113 ; 123 ; 133) est formée de préférence de telle sorte que, au niveau de la jonction de la paroi frontale (11 ; 21 ; 31 ; 41 ; 51 ; 71 ; 81 ; 91 ; 101 ; 111 ; 121 ; 131) dans la partie marginale (12 ; 22 ; 32 ; 42 ; 52 ; 72 ; 82 ; 92 ; 102 ; 112 ; 122 ; 132) :
    des nervures de raidissement (83 ; 103 ; 123 ; 133) sont prévues et s'étendent dans la direction radiale, et/ou
    l'épaisseur de matière au moins dans des zones partielles du pourtour extérieur de la paroi frontale est plus grande que dans le reste de la zone de l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 90 ; 110), et/ou
    l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 90 ; 110) est fabriqué au moins dans des zones partielles à partir d'un composant qui est plus dur que le premier composant à partir duquel le reste de la paroi frontale (11 ; 21 ; 31 ; 41 ; 51 ; 61 ; 71 ; 91 ; 111) est composé au moins de manière prépondérante.
  15. Système de fermeture, comprenant
    l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110 ; 120 ; 130) selon une des revendications précédentes et
    un récipient avec l'ouverture (1) à fermer, l'élément de recouvrement (10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ; 100 ; 110 ; 120 ; 130) devant être fixé par blocage au niveau sa zone de paroi (2).
EP17784834.8A 2016-08-26 2017-08-23 Fermeture à déclic à élément d'inviolabilité Active EP3504129B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016115950.6A DE102016115950A1 (de) 2016-08-26 2016-08-26 Schnappdeckel mit Originalitätssicherheit
PCT/DE2017/100709 WO2018036592A1 (fr) 2016-08-26 2017-08-23 Fermeture à déclic à élément d'inviolabilité

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EP3504129B1 true EP3504129B1 (fr) 2020-12-23

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EP (1) EP3504129B1 (fr)
JP (1) JP2019524589A (fr)
CN (1) CN109863091B (fr)
DE (2) DE102016115950A1 (fr)
WO (1) WO2018036592A1 (fr)

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DE202015105951U1 (de) * 2015-11-06 2017-02-07 Roland Kittmann Schnappdeckel in Mehrkomponenten-Spritzgusstechnik
DE202019101663U1 (de) 2019-03-22 2020-06-23 Roland Kittmann Schnappverschluss mit Sicherheitsverriegelung

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Publication number Publication date
DE112017004263A5 (de) 2019-05-16
CN109863091A (zh) 2019-06-07
EP3504129A1 (fr) 2019-07-03
US20190193900A1 (en) 2019-06-27
DE102016115950A1 (de) 2018-03-01
CN109863091B (zh) 2021-03-16
WO2018036592A1 (fr) 2018-03-01
US11286088B2 (en) 2022-03-29
JP2019524589A (ja) 2019-09-05

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