EP2010436B1 - Verschlussverfahren und entsprechende verschlusskappe - Google Patents

Verschlussverfahren und entsprechende verschlusskappe Download PDF

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Publication number
EP2010436B1
EP2010436B1 EP07731301A EP07731301A EP2010436B1 EP 2010436 B1 EP2010436 B1 EP 2010436B1 EP 07731301 A EP07731301 A EP 07731301A EP 07731301 A EP07731301 A EP 07731301A EP 2010436 B1 EP2010436 B1 EP 2010436B1
Authority
EP
European Patent Office
Prior art keywords
skirt
metal
neck
typically
insert
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
EP07731301A
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English (en)
French (fr)
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EP2010436A1 (de
Inventor
Jacques Granger
Jean Marie Bourreau
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.)
Amcor Flexibles Capsules France SAS
Original Assignee
Amcor Flexibles Capsules France SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amcor Flexibles Capsules France SAS filed Critical Amcor Flexibles Capsules France SAS
Publication of EP2010436A1 publication Critical patent/EP2010436A1/de
Application granted granted Critical
Publication of EP2010436B1 publication Critical patent/EP2010436B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/02—Closing bottles, jars or similar containers by applying caps by applying flanged caps, e.g. crown caps, and securing by deformation of flanges
    • B67B3/10—Capping heads for securing caps
    • B67B3/14—Capping heads for securing caps characterised by having movable elements, e.g. hinged fingers, for applying radial pressure to the flange of the cap
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/045—Discs
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/0457—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements the sealing element covering or co-operating with the screw-thread or the like of a container neck
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges

Definitions

  • the invention relates to the field of capping bottles or containers containing alcoholic beverages and typically wine.
  • the method of capping traditional wine bottles comprises the use of a cork and an overcap, typically aluminum, as described for example in the patent application EP-A1-0 363 285 .
  • Closure of bottles of a Southerntifs or alcohols with a threaded neck is also known, with the aid of a closure cap, typically made of aluminum, comprising a threaded insert, as described, for example, in the patent application. FR-A1-2 763 046 .
  • the capsule is screwed onto the threaded neck.
  • a metal closure cap with a cast seal is crimped on a threaded neck, so as to form a net on the metal skirt of the capsule during its capping on said threaded neck.
  • the patent US 3,631,650 discloses a capping method according to the preamble of claim 1, a capsule provided with a metal shell and a plastic insert on the threaded neck of a container including forming a screw thread in the container. insert: by radial compression of the shell, the insert is pressed against the neck and a screw thread is formed in the insert by indentation of said insert by the thread of the neck.
  • the patent US 3,270,904 discloses a capping method and a capping cap according to the preamble of claim 17, which also comprises a plastic insert and a metal shell with a conical skirt, is crimped on the neck by necking of a rolled edge located at the end of the conical skirt.
  • the problems posed are essentially economic problems, since a more economical method of capping is sought than those known in the state of the art, ie on the one hand a process using more economical screw closure capsules than traditional screw closure capsules, for example those disclosed in the patent application FR-A1-2 763 046 and, on the other hand, a process inherently more efficient than traditional methods.
  • more efficient process is meant a process which allows, compared with known methods, a reduction in production costs as regards the capping itself, either because it makes it possible to increase the equipment capping rates. constant, or because it makes it possible to reduce investment or operating costs at the same rate.
  • This method is characterized in that axial compression is also exerted during step d) on said capsule, typically with the aid of a bearing punch whose bearing surface matches a shape complementary to that of the metal head of the shell and which exerts said axial compression directly on said metal head, so that said sealing means of said capsule is pressed against said rim.
  • axial compression is also exerted during step d) on said capsule, typically with the aid of a bearing punch whose bearing surface matches a shape complementary to that of the metal head of the shell and which exerts said axial compression directly on said metal head, so that said sealing means of said capsule is pressed against said rim.
  • axial compression is also exerted during step d) on said capsule, typically with the aid of a bearing punch whose bearing surface matches a shape complementary to that of the metal head of the shell and which exerts said axial compression directly on said metal head, so that said sealing means of said capsule is pressed against said rim.
  • this axial compression is applied after placing the capsule on the neck but it is also maintained during
  • the container comprises a ring adapted to the invention, that is to say made of a material harder than that of the insert, typically a glassware ring. in glass, and with an outer annular portion (carrying said net) adjoining, at its lower part, a narrowed zone adjacent, so that said thread forms the outermost radial portion of said neck.
  • the ring according to the invention does not include a counter ring: the threaded portion directly adjoins a narrowed area.
  • a usual ring with counter-ring illustrated on the Figures 10b and 10c the counter-ring is not used as such for the purpose of capping.
  • said inner skirt of said insert typically having an inner diameter D I close to the outer diameter D1 said neck, or barely greater than this diameter D1 (typically the difference D I - D1 is less than 1 mm), said capsule can be placed directly on the neck without special effort, or possibly with a minimal axial force.
  • a capping head comprising a necking matrix and a central punch sliding in the necking matrix and to make a return trip.
  • the central punch initially axially compressing the capsule on the neck, then the descending necking matrix to shrink the metal skirt corresponding to a decrease in its diameter d can typically range from 0.5 mm to 1 mm. It has been observed that such a decrease in diameter, on the one hand, does not modify the external appearance of the capsule, and in particular does not lead to any formation of folds, which would be unacceptable, and other on the other hand, although relatively low, provided sufficient penetration of the neck threads into said inner skirt for the formation of an imprinted groove on the inner surface of said inner skirt.
  • axial compression is exerted during step d) on said capsule so that the sealing means of said capsule is pressed against the rim.
  • This compression makes it possible to control the overall deformation of the top of the capsule during the shrinkage.
  • the axial compression is exerted after said capsule has been placed on said neck, with the aid of an axially displaced pressing punch placed in contact on the head of the shell of said capsule. While maintaining said axial compression on said head, said metal skirt is compressed against said ring by exerting a radial compression on said metal skirt by means of a necking die whose axial displacement is coaxial with said punch, so as to shrink said metal skirt forming a narrowed metallic skirt.
  • a simple axial movement back and forth of the necking matrix is sufficient without the need to use a rotating part as in the state of the art, which is very advantageous both with regard to the rate of production than the cost of the investment.
  • the combination of the means described above solves the problems of the invention, both because the method according to the invention can use short skirt capping capsules and therefore not very greedy. metal, and not threaded, so more economical to manufacture than long skirt and threaded insert capsules, and because the step actual capping can be performed at high speed - without the need for rotational and screwing movement, and with a very economical capping device.
  • the figure 1a represents a partial view of a bottle (4 ') whose neck (40) is provided with a screw ring (41) as shown, in an enlarged manner, on the figure 1b .
  • the figure 1c is a schematic representation, in a transverse plane perpendicular to said axial direction (10), of two successive screw threads (410), one in solid line, the other in dashed line, corresponding substantially to those of the figure 1b , each thread (410) extending over an angular range ⁇ of approximately 120 °, two successive threads being angularly offset by 72 ° (360 ° / 5), the number N of threads (410) being equal to 5.
  • the Figures 2a to 4b relate to a modality of the invention in which the closure cap (1) comprises a guarantee band (60) as first opening detection means (6).
  • the screw ring (41) adapted to this type of capsule (1) is represented on the figure 2a by his profile, and on the figure 2b in side view.
  • the capsule (1) with a guarantee strip (60) is shown on the figures 3a (axial section) and 3b (side view).
  • FIGS. 4a and 4b represent the capsule (1) closing the neck (40), the capsule being attached to the glass ring by the capping operation according to the invention.
  • FIGS. 5a to 7b relate to another embodiment of the invention wherein the closure cap (1) does not include a guarantee band.
  • the screw ring (41) adapted to this type of capsule (1) is represented on the figure 5a by his profile, and on the figure 5b in side view.
  • the capsule (1) without warranty tape is shown on the Figures 6a (axial section) and 6b (side view).
  • FIGs 7a and 7b analogous respectively to Figures 4a and 4b , represent the capsule (1) closing the neck (40), the capsule (1) being fixed to the screw ring (41) by the capping operation according to the invention.
  • Figures 8a and 8b similar to Figures 4a and 4b , represent another embodiment of capsule (1) with domed head.
  • the figure 9 illustrates the capping device (8) shown at the end of capping a capping capsule (1) according to the Figures 2a to 4b on a neck (40), this device (8) comprising a bearing pin (81) exerting an axial pressure directly on the metal head (23), and a necking die (80) whose lower end (800) is flared to facilitate insertion of said capsule (1) into said necking die (80).
  • FIGS. 10a to 10c illustrate a sealing means (5) for a closure cap (1) not comprising a guarantee strip (60), this sealing means comprising a seal (50) cooperating with a sealing lip (51) .
  • the figure 10a relates to a capsule (1) provided with this sealing means (5).
  • the figure 10b illustrates the capping of a standard neck (40 ') provided with a screw ring (41') and a counter-ring (47) by the closure cap (1) according to the figure 10a .
  • the figure 10c illustrates the case where the closure cap (1) of the figure 10b is covered by an overcap (63) forming an insert (62), said overcap (63) comprising two spaced apart lines of weakness (631) delimiting between them a tear strip (630) so as to form said visual detection means of first opening (6).
  • the figure 10d is analogous to the half-right part of the figure 4 and differs therefrom in that the metal skirt (21) comprises a free lower end (210 ') which masks the guarantee strip (60).
  • said screw ring (41) may comprise N threads (410), with N typically ranging from 2 to 6, two successive threads (410) being offset angularly 360 ° / N, each thread (410) extending over an angular range ⁇ typically ranging from 60 ° to 360 ° depending in particular on the diameter of said neck (40), as illustrated in FIG. figure 1c which illustrates the arrangement of two successive threads (410) of the bushing (41 of the figure 1b .
  • the height H of said annular portion (411) can range from 4 mm to 30 mm.
  • the height H may range from 4 mm to 12 mm, in the case where the neck (40) is of the "low ring” type, and preferably from 6 to 8 mm.
  • the height H can range from 12 mm to 30 mm in the case where the neck (40) is of the "high ring" type.
  • said threads (410) may have a radius of curvature R1 ranging from 0.3 mm to 1 mm, and typically a radius of curvature ranging from 0.4 to 0.5 mm, the radial height of said threads ( 410) ranging from 0.3 mm to 1 mm, and typically being 0.5 mm ⁇ 0.1 mm, while the radial height of the threads varies from 0.85 mm to 1.3 mm in the standard screw rings.
  • said rim (42) may have a slope oriented towards the inside of said neck with an angle ⁇ of between 10 and 45 °, and typically about 20 °.
  • said rim (42) can be connected to said annular portion (411) by an upper sealing lip (45) forming an arc (46) of angle equal to 90 ° - ⁇ and of radius of curvature R2 ranging from 0.5 mm to 3 mm, and preferably from 0.8 mm to 1.5 mm.
  • this inside diameter D 2 was taken to be equal to 31.5 mm in the case, illustrated in FIGS. Figures 2a to 4b , where a capsule (1) comprising a guarantee band (60) is used. It was taken as equal to 33 mm in the case illustrated on the Figures 5a to 7b , where a capsule (1) is used which has no guarantee strip.
  • said narrowed zone (44) may have a diameter D3 ⁇ D2 such that D2-D3 typically ranges from 3 mm to 6 mm, said orifice (43) having a diameter D4 ⁇ D3 such that D3-D4 is typically from 5 mm to 10 mm.
  • the difference D2-D3 corresponds to twice the radial depth of the narrowed zone (44), while the difference D3-D4 corresponds to twice the thickness of the wall forming the neck or neck of the bottle.
  • the narrowed zone allows, in the case where the capsule comprises for example a guarantee strip, a clear axial separation of the guarantee strip after a first opening, the narrowed area forming the neck of the bottle being narrowed on sufficient height for this, and typically at a height of at least 20 mm, or even much more in the case of the bottle shown on the figure 1a .
  • said capsule (1) comprises a seal (50) forming said sealing means (5), said seal being typically in the form of a pellet placed inside said insert against said head interior.
  • This seal (50) may be a compressible seal typically chosen in a multilayer material, a layer of which is formed of cellular or elastomeric material, for example an expanded PE forming a foam with a density of from 0.25 to 0.5, and typically of the order of 0.3.
  • Such joints may comprise at least one barrier layer, for example a tin metal layer and / or a PVDC layer.
  • said insert (3) may comprise at least one sealing lip (51) carried by said inner head (30) and / or said inner skirt (31, 32), so as to form all or part of said means seal (5), said lip (51) possibly cooperating with said seal (50).
  • sealing means is formed only by one or more sealing lips.
  • the Figures 4a and 7a illustrate the case where there is a lip (33) whose role may be twofold: first, it can ensure the maintenance of the seal (50) at the bottom of the insert (3), as can be seen for example on the figure 3a on the other hand, it can possibly participate in radial sealing either by direct contact against the vertical wall (460) of the arc (46) forming the upper sealing flange (45), or by participating more directly in the radial compression of the seal, thereby forming a sealing lip (51) as illustrated on the Figures 10b and 10c .
  • said capsule (1) can comprise a means of visual detection of a first opening (6), so as to guarantee the integrity of the content (9) of said container (4).
  • This detection means (6) can be formed by a weakening line or a guarantee strip (60) typically connected by bridges (61) to said metal skirt (21) and / or to said inner skirt (31). said insert (3), said bridges (61) forming a line of weakness, said guarantee band (60) being retained by said narrowed zone (44) of the neck (40) during said first opening, the unscrewing of said skirt metal (22) and said inner skirt (32) leading to a rupture of said bridges (61). See for example the figure 3a .
  • said guarantee strip (60) can be connected to said metal skirt (21) and / or to said inner skirt (31) not by bridges but by a weakened or thinned radial zone.
  • said guarantee strip (60) can form a one-piece piece with said insert (3) and is integral with said inner skirt (31) via said bridges, said guarantee strip (60) typically comprising a heel of hooking (600) intended to cooperate with said narrowed zone (44).
  • said guarantee strip (60) can form a one-piece piece with said metal shell (2), said guarantee strip comprising a lower edge (601) crimped under the shoulder of said narrowed zone (44).
  • the invention may also include the case where the detection means is formed by a weakening line carried by said metal skirt (21), and in this case, the lower end of said metal skirt can be crimped in the shrink zone. (44).
  • This modality - not represented on a figure - can be an alternative to that represented on the figure 3a wherein the detection means is carried by the insert (3); however this alternative involves crimping typically using a roller or a rotating wheel.
  • said first opening visual detection means (6) can be formed by an insert (62), typically by assembling; by use of a heat-shrinkable sheath or by an overcap (63), as illustrated in FIG. figure 10c .
  • said metal shell (2) and said insert (3) can be secured typically by sealing, gluing, crimping or press fitting.
  • said metal shell (2) and said insert (3) can be secured by crimping, said metal skirt (21) comprising a lower end (210) typically crimped at a lower end (310) of said inner skirt (31), as illustrated on the figure 3a .
  • said inner skirt (31) of said insert (2) may have a thickness Ep ranging from 0.2 to 2 mm, and preferably from 0.5 mm to 1.5 mm.
  • the thickness Ep is 1.3 mm, whereas it is 0.5 mm in the case of a capsule without a warranty band, as illustrated in the Figures 6a and 7a .
  • said insert (3) may be formed by a two-layer material, with an inner layer adapted to be deformed by said threads during said radial compression, an outer layer solidarisant said insert to said metal shell.
  • said inner layer may be chosen so as to form said seal and replace it.
  • said difference D I -D1 may be less than 0.8 mm, said difference typically being typically between 0.7 mm and 0.3 mm, so as to have a clearance between capsule (1) and neck (40) sufficient to facilitate the placement of said capsule (1) on said neck (40), said clearance being small enough so that the difference dd 'is typically less than 1 , 5 mm and that the formation of said permanent inner groove (320) requires a low shrinkage d / d said metal skirt (21) typically between 1.04 and 1.02.
  • This capsule is intended to seal a container with a neck with a rim and comprises a metal shell with a metal head and a metal skirt and an insert. It is characterized in that it is provided with a sealing means comprising a peripheral portion forming an outer edge covering at least the sealing rim of the rim of the container and in that said metal shell is made of aluminum or aluminum alloy.
  • aluminum its thickness ranging from 100 ⁇ m to 350 ⁇ m, and preferably from 150 ⁇ m to 250 ⁇ m, so that said radial compression of said metal skirt is irreversible. More preferably, said thickness can range from 195 ⁇ m to 230 ⁇ m.
  • the thickness chosen in the exemplary embodiments is 210 ⁇ m, which corresponds substantially to the thickness typically required to maintain the insert (3) in the narrowed state (3) despite the radial forces due in particular to some elasticity of the insert (3 ') or axial compression of the capsule (1').
  • said metal shell (2) may have a h / d ratio of less than 1.10, and typically less than 1, d and h respectively denoting the outside diameter of said typically cylindrical metal skirt (21), and the height of said metal shell (2), the height h being typically greater than the height H of said annular portion (411).
  • This h / d ratio of said metal shell (2) of the capsule (1) can range from 1/3 to 1/10 and preferably from 1/4 to 1/7.
  • this ratio is approximately 1 / 4.5 in the case of capsules (1) of the figure 3a or from figure 6a .
  • the capsules (1) illustrated by the figures and serving as exemplary embodiments correspond to modalities - not limiting - of capsules with an ultra-short skirt.
  • the diameter d of the metal shell (2) can typically range from 22 to 40 mm
  • the height h of the metal shell (2) can range from 5 to 12 mm, the difference hH being typically less than 5 mm. mm.
  • the screw capping caps after capping (1 ') have a height h'> h, such that the difference h'-h ranges from 0.5 mm to 1.5 mm depending on the diameter of the capsule.
  • the axial height h of said metal skirt (21) may be at least equal to the axial height H I of the inner skirt (31) of said insert (3), as illustrated in FIGS. figures 3a , 6a and 10a .
  • the guarantee strip (60) can be disposed below said metal skirt (21) and thus externally visible.
  • said metal skirt (21) may comprise a free lower end (210 ') no crimped under the lower end (310) of said insert (3), of sufficient length to mask said guarantee strip (60) before said first opening, said guarantee strip becoming visible after said first opening by detaching from the insert ( 3) and falling on the neck (40).
  • said insert (3) may be typically a molded or thermoformed insert based on polyolefin, typically PE or PP.
  • the insert may have an inner head having a central orifice so that its peripheral portion resting directly on the rim of the neck constitutes said sealing means.
  • the insert is equipped with a seal so that said sealing means comprises said seal, the latter being in the form of a tablet placed inside said insert against said inner head, said seal comprising a peripheral portion forming an outer edge covering at least the sealing rim of the container rim.
  • said insert (3) comprises a means of radial compression of said seal, typically by virtue of a sealing lip (51), so that, after capping said capsule (1) on said neck (40), a portion device (500) of said seal (50) is applied against said arc curve (46) of said rim (42) and thus subjected to a permanent radial compression to seal said capping in any circumstance, even in case of variation axial compression of the joint.
  • said metal head (20) may be a domed head (23), said inner head (30) of said insert (3) forming a domed inner head (34) having a domed top wall (340) having a curvature corresponding substantially to that of said domed head (23), and vertical partitions (341) typically circular forming between them recesses (342) and having a lower end (343) forming a support for said seal (50).
  • the radius of curvature of the domed top wall (23) can typically be from 30 mm to 70 mm and be 50 mm as shown in FIG. figure 8a .
  • said metal head (20) may be a flat head (24), said inner head (30) of said insert (3) forming a planar inner head (35).
  • Another object of the invention is constituted by a container, typically a bottle of wine, closed with a capsule (1) according to the invention and by implementing the capping method according to the invention.
  • Another object of the invention is the use of a capsule (1) according to the invention for the capping of bottles (4 ') containing an alcoholic beverage, and typically wine (90). Indeed, if the use of traditional corking caps is known for the packaging of wine in conventional glass bottle bottles, the use of the capsules (1) is not known, whether on glass ring according to the invention or even on traditional glass ring according to figure 10b .
  • Another object of the invention is constituted by the capping device intended to implement the method according to the invention, this device (8) comprising, as illustrated in FIG. figure 9 an axially displaced bearing pin (81) for compressing the capsule head (1) on the neck (40) to be encapsulated, and a necking die (80) coaxially displaced with said punch (81) for shrinking said metal skirt (21) to form a shrunken metallic skirt (22) and said inner skirt (31) to form a narrowed inner skirt (32) so as to form on the inner surface of said inner skirt a permanent inner groove (320) by radial compression of said inner skirt (31) of said insert against said screw thread (410) of the screw ring (41) of the neck (40).
  • a necking die with a smooth or corrugated surface was used to form a crenellated metal skirt and thus to facilitate the grip during the first opening.
  • the capping rate has been varied and it has been observed that it is possible to perform the capping operation at a rate of up to 10,000 bottles per hour, a rate of about 500% higher than the rate of capping.
  • Bottles thus encapsulated were stored and tested in the usual manner, both with regard to their sealing and their opening and closing by screwing and subsequent reopening.
  • the invention has many advantages.
  • the method according to the invention makes it possible to use capsules provided with a non-threaded insert, which already economically advantageous and to fasten these capsules on a threaded neck by a simple axial movement of a matrix of shrinking of a capping device, and this without having to use a rotating tool, so as to obtain at high speed capsulated bottles with a narrowed shrink capsule and maintaining the attractive appearance of the capsule of origin before shrinking.
  • the invention makes it possible to substitute, on a large scale, the traditional closure by the assembly "cork stopper + overcap capsule" with the closure cap according to the invention, and this at a competitive cost, the capping capsules with screw not being adapted to the mass market of wine, perhaps for reasons of tradition, but especially for reasons of cost.

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

Claims (23)

  1. Verfahren zum Verschließen eines Behälters (4) mit einer Verschlusskapsel (1), bei dem:
    a) der Behälter bereitgestellt wird, der mit einem Hals (40) versehen ist, welcher eine Schraubverschlussmündung (41) bildet, die auf ihrem äußeren ringförmigen Teil (411) mindestens ein Schraubgewinde (410) und an ihrem oberen Teil einen eine Öffnung (43) abgrenzenden Mündungsrand (42) aufweist;
    b) die Verschlusskapsel (1) bereitgestellt wird, die eine Axialrichtung (10) aufweist und mit einem Dichtungsmittel (5) versehen ist, wobei die Verschlusskapsel (1) eine Metallschale (2) mit einem metallischen Kopf (20) und einem metallischen Mantel (21) des Durchmessers d und einen Einsatz (3) aus Kunststoff mit einem inneren Kopf (30) und einem inneren Mantel (31) ohne Gewinde umfasst, wobei der Einsatz mit der Metallschale verbunden ist;
    c) die Kapsel (1) auf den Hals (40) gesetzt wird;
    d) der metallische Mantel (21) an die Mündung (41) gepresst und dabei ein radialer Druck auf den metallischen Mantel (21) ausgeübt wird, derart, dass der metallische Mantel (21) typischerweise mittels einer axial verschiebbaren Reduziermatrize (80) im Durchmesser reduziert und dabei ein eingeschnürter metallischer Mantel (22) des Durchmessers d'<d gebildet wird, wobei d' klein genug ist, um auf dem eingeschnürten inneren Mantel (32) durch Eindrücken des Gewindes (410) der Mündung (41) am inneren Mantel eine permanente innere Nut (320) auszubilden, so dass auf diese Weise ein mit einer Schraubverschlusskapsel (21') verschlossener Hals erhalten wird;
    wobei das Verschließverfahren dadurch gekennzeichnet ist, dass das Dichtungsmittel eine Dichtung (50) umfasst und dass im Schritt d) auch ein axialer Druck auf die Kapsel (1) ausgeübt wird, so dass das Dichtungsmittel (5) der Kapsel an den Mündungsrand (42) gepresst wird, um den dichten Verschluss des Halses (40) zu gewährleisten.
  2. Verfahren nach Anspruch 1, bei dem der axiale Druck nach Aufsetzen der Kapsel (1) auf den Hals (40) aufgebracht wird und während der Einschnürung des metallischen Mantels (21) aufrechterhalten wird, typischerweise mittels eines Auflagestempels (81), dessen Auflagefläche einer komplementären Form zu der des metallischen Kopfes (20, 23, 24) der Metallschale (2) angepasst ist und der den axialen Druck direkt auf den metallischen Kopf ausübt.
  3. Verfahren nach Anspruch 1 oder 2, bei dem der äußere ringförmige Teil (411) an seinem unteren Abschnitt an einen benachbarten eingeschnürten Bereich (44) angrenzt, so dass das Gewinde (410) den äußersten radialen Teil des Halses bildet.
  4. Verfahren nach irgendeinem der Ansprüche 1 bis 3, bei dem die Schraubmündung (41) N Windungen (410) mit N von 2 bis 6 aufweist, wobei zwei aufeinanderfolgende Windungen (410) winkelig um 360°/N versetzt sind, wobei jede Windung (410) sich über einen Winkelbereich β von 60° bis 360° erstreckt, insbesondere je nach Durchmesser des Halses (40).
  5. Verfahren nach irgendeinem der Ansprüche 1 bis 4, bei dem der metallische Mantel (21) eine im Wesentlichen annähernd gleiche axiale Höhe h wie die Höhe H des äußeren ringförmigen Teils (411) und einen annähernd gleichen Innendurchmesser Di wie der Außendurchmesser D1 (Gewinde inbegriffen) des Behälterhalses hat, wobei die Differenz Di-D1 typischerweise kleiner als 1 mm ist.
  6. Verfahren nach Anspruch 5, bei dem der innere Mantel (31) des Einsatzes (3) eine Dicke von 0,2 mm bis 2 mm, vorzugsweise von 0,5 mm bis 1,5 mm aufweist.
  7. Verfahren nach irgendeinem der Ansprüche 1 bis 6, bei dem die Gewinde (410) einen Krümmungsradius R1 von 0,3 mm bis 1 mm aufweisen und die radiale Höhe der Gewinde (410) 0,3 mm bis 1 mm beträgt.
  8. Verfahren nach irgendeinem der Ansprüche 1 bis 7, bei dem der Mündungsrand (42) eine zum Inneren des Halses gerichtete Neigung mit einem Winkel α zwischen 10° und 45° aufweist, wobei der Winkel α bezogen auf eine Querebene zur Axialrichtung betrachtet wird, und mit dem äußeren ringförmigen Teil (411) über eine obere Dichtkante (45) verbunden ist, die einen Winkelbogen von 90°-α mit einem Krümmungsradius von 0,5 mm bis 3 mm und vorzugsweise von 0,8 mm bis 1,5 mm bildet.
  9. Verfahren nach irgendeinem der Ansprüche 1 bis 8, bei dem die Kapsel (1) eine Dichtung (50) als Dichtungsmittel (5) aufweist, wobei die Dichtung typischerweise in Form einer Dichtpastille ausgebildet ist, die innerhalb des Einsatzes an dem inneren Kopf anliegend angeordnet ist, wobei die Dichtung (50) eventuell einen Randabschnitt (500) aufweist, der einen wenigstens die Dichtkante (45) überdeckenden äußeren Rand bildet.
  10. Verfahren nach irgendeinem der Ansprüche 1 bis 9, bei dem der Einsatz (3) mindestens eine vom inneren Kopf (30) und/oder inneren Mantel (31, 32) getragene Dichtlippe (51) zur Bildung des ganzen Dichtungsmittels (5) oder eines Teils davon aufweist, wobei die Lippe (51) eventuell mit der Dichtung (50) zusammenwirkt.
  11. Verfahren nach irgendeinem der Ansprüche 1 bis 10, bei dem die Metallschale (2) und der Einsatz (3) typischerweise durch Siegeln, Kleben, Quetschen oder Einpressen verbunden werden.
  12. Verfahren nach Anspruch 11, bei dem die Metallschale (2) und der Einsatz (3) durch Quetschen verbunden werden, wobei der metallische Mantel (21) ein unteres Ende (210) aufweist, das typischerweise an ein unteres Ende (310) des inneren Mantels (31) angequetscht wird.
  13. Verfahren nach irgendeinem der Ansprüche 1 bis 12, bei dem der innere Mantel (31) des Einsatzes (3) eine Dicke Ep von 0,2 mm bis 2 mm und vorzugsweise von 0,5 mm bis 1,5 mm aufweist.
  14. Verfahren nach irgendeinem der Ansprüche 1 bis 13, bei dem der Einsatz (3) aus einem zweischichtigen Material gebildet ist, mit einer inneren Schicht, die während des radialen Drucks durch die Gewinde (410) deformiert werden kann, einer äußeren Schicht, die den Einsatz (3) mit der Metallschale (2) verbindet.
  15. Verfahren nach Anspruch 14, bei dem die innere Schicht so gewählt ist, dass sie die Dichtung auszubilden und sie zu ersetzen vermag.
  16. Verfahren nach irgendeinem der Ansprüche 1 bis 15, bei dem die Differenz di-D1 kleiner als 0,8 mm ist, wobei diese Differenz typischerweise zwischen 0,7 mm und 0,3 mm beträgt, damit zwischen Kapsel (1) und Hals (40) ein ausreichend großes Spiel vorhanden ist, um das Aufsetzen der Kapsel (1) auf den Hals (40) zu erleichtern, wobei das Spiel klein genug ist, damit die Differenz d-d' typischerweise weniger als 1,5 mm beträgt und die Ausbildung der permanenten inneren Nut (320) einen geringen Einschnürungsgrad d/d' des metallischen Mantels (21) erfordert, typischerweise zwischen 1,04 und 1,02.
  17. Verschlusskapsel (1) zum Verschließen eines mit einem Hals (40) mit einem Mündungsrand (42) versehenen Behälters durch Durchführung des Verschließverfahrens nach irgendeinem der Ansprüche 1 bis 16, wobei die Kapsel eine Metallschale (2) mit einem metallischen Kopf (20) und einem metallischen Mantel (21) und einen Einsatz (3) umfasst, dadurch gekennzeichnet, dass sie mit einem Dichtungsmittel versehen ist, welches einen Randabschnitt (500) aufweist, der einen wenigstens die Dichtkante (45) des Mündungsrandes (42) des Behälters (4) überdeckenden äußeren Rand bildet, und dass die Metallschale (2) aus Aluminium oder Aluminiumlegierung ist, wobei ihre Dicke 100 µm bis 350 µm, vorzugsweise 150 µm bis 250 µm und besonders bevorzugt 195 µm bis 230 µm beträgt, so dass die radiale Kompression des metallischen Mantels irreversibel ist.
  18. Verschlusskapsel nach Anspruch 17, bei der die Metallschale (2) ein h/d-Verhältnis kleiner als 1,10 und typischerweise kleiner als 1 aufweist, worin d und h den Außendurchmesser des typischerweise zylindrischen metallischen Mantels (21) bzw. die Höhe des metallischen Mantels (21) bezeichnen, wobei die Höhe h typischerweise größer ist als die Höhe H des ringförmigen Teils (411).
  19. Kapsel nach irgendeinem der Ansprüche 17 bis 18, bei der die axiale Höhe h des metallischen Mantels (21) mindestens gleich der Höhe Hi des inneren Mantels (31) des Einsatzes (3) ist.
  20. Kapsel nach irgendeinem der Ansprüche 17 bis 19, bei der das Dichtungsmittel (5) die Dichtung (50) umfasst und bei der der Einsatz ein Mittel zur radialen Kompression der Dichtung umfasst, typischerweise durch eine Dichtlippe (51), so dass nach Aufsetzen der Kapsel (1) auf den Hals (40) ein Randabschnitt (500) der Dichtung (50) an die Krümmung (46) des Mündungsrandes (42) gepresst und auf diese Weise permanent radial komprimiert wird, um die Dichtheit des Verschlusses in jeder Situation zu gewährleisten, auch bei Änderung einer axialen Kompression der Dichtung.
  21. Behälter, der mit einer Kapsel (1) nach irgendeinem der Ansprüche 17 bis 20 und durch Durchführung des Verschließverfahrens nach irgendeinem der Ansprüche 1 bis 16 verschlossen ist.
  22. Verwendung einer Kapsel (1) nach irgendeinem der Ansprüche 17 bis 20 für das Verschließen von Flaschen (4'), die ein alkoholisches Getränk und typischerweise Wein (90) enthalten.
  23. Verschließvorrichtung (8) zur Durchführung des Verfahrens nach irgendeinem der Ansprüche 1 bis 16, umfassend einen axial verschiebbaren Auflagestempel (81), um den Kopf der Kapsel (1) auf den zu verschließenden Hals (40) zu pressen, und eine koaxial zum Stempel (81) verschiebbare Reduziermatrize (80) zum Einschnüren des metallischen Mantels (21) zwecks Bildung eines eingeschnürten metallischen Mantels (22) sowie des inneren Mantels (31) zwecks Bildung eines eingeschnürten inneren Mantels (32), um durch radiales Anpressen des inneren Mantels (31) des Einsatzes an das Schraubgewinde (410) der Schraubmündung (41) des Halses (40) auf der Innenfläche dieses inneren Mantels eine permanente innere Nut (320) auszubilden.
EP07731301A 2006-04-24 2007-04-16 Verschlussverfahren und entsprechende verschlusskappe Not-in-force EP2010436B1 (de)

Applications Claiming Priority (2)

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FR0603616A FR2900143B1 (fr) 2006-04-24 2006-04-24 Procede de capsule et capsule de bouchage correspondante
PCT/FR2007/000634 WO2007125185A1 (fr) 2006-04-24 2007-04-16 Procede de capsulage et capsule de bouchage correspondante

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EP2010436B1 true EP2010436B1 (de) 2010-12-22

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AR (1) AR060809A1 (de)
AT (1) ATE492487T1 (de)
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FR (1) FR2900143B1 (de)
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CN103522020B (zh) * 2013-10-30 2015-08-26 青岛亚华制盖有限公司 一种铝合金瓶盖的加工方法
US11981478B2 (en) * 2016-07-29 2024-05-14 Yoshino Kogyosho Co., Ltd. Container
JP7141812B2 (ja) * 2017-02-15 2022-09-26 日本クロージャー株式会社 金属製本体及び合成樹脂製ライナーを備えた容器蓋
US11097872B2 (en) * 2017-12-29 2021-08-24 Altria Client Services Llc Composite lid of container and method of attaching metal lid to plastic lid to form composite lid of container
CN110027790B (zh) * 2018-01-12 2021-05-28 义乌市易开盖实业公司 防盗金属包装容器
FR3113896B1 (fr) * 2020-09-04 2022-08-19 Verallia Packaging Contenant en verre creux à profil de buvant spécifique

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US3270904A (en) * 1964-05-21 1966-09-06 Continental Can Co Press-on turn-off cap
US3631650A (en) * 1969-08-29 1972-01-04 Aluminum Co Of America Closing of containers
FR2140288B1 (de) * 1971-06-08 1975-02-21 Chaminade Andre
GB1598650A (en) * 1978-05-31 1981-09-23 Metal Box Co Ltd Method and apparatus for fitting a closure to a container
FR2763046B1 (fr) * 1997-05-12 1999-06-04 Pechiney Emballage Alimentaire Capsule metallique de bouchage a insert plastique
GB9710538D0 (en) * 1997-05-23 1997-07-16 Metal Box Plc Closure
US6046585A (en) 1997-11-21 2000-04-04 Quantum Design, Inc. Method and apparatus for making quantitative measurements of localized accumulations of target particles having magnetic particles bound thereto

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WO2007125185A1 (fr) 2007-11-08
EP2010436A1 (de) 2009-01-07
NO20084940L (no) 2008-11-24
FR2900143A1 (fr) 2007-10-26
AR060809A1 (es) 2008-07-16
DE602007011420D1 (de) 2011-02-03
ATE492487T1 (de) 2011-01-15
FR2900143B1 (fr) 2010-08-13

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