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 closure of traditional wine bottles comprises the use of a cork and an overcap, typically aluminum oxide, as described for example in the patent application EP-Al-O 363 285.
• Closure of aperitif bottles or spirits 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 FR patent application.
• a closure cap typically made of aluminum, comprising a threaded insert, as described, for example, in the FR patent application.
• the capsule is screwed onto the threaded neck.
• a metal closure cap with a cast gasket 0 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.
• U.S. Patent 3,631,650 discloses a method of capping a capsule 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 problems posed are essentially problems of an economic nature, since a more economical method of c ⁇ psul ⁇ ge is sought than those known in the state of the art, ie on the one hand a process using screw caps more economical than traditional screw closure caps, for example those disclosed in the patent application FR-Al-2763046, and secondly a method 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 an axial compression is also exerted during step d) on said capsule, typically with the aid of a support punch whose bearing surface matches a shape complementary to that of , of the metal head of the shell and which exerts said compression
• 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.
• 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 part directly adjoins a narrowed area.
• said inner skirt of said insert typically having an inner diameter Di neighbor of the outer diameter D1 of said neck, or barely greater than this diameter Dl (typically the difference Di - Dl 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.
• 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.
• Method according to the invention can use short skirt cap caps and therefore not greedy metal, and not threaded, so cheaper to manufacture than capsules with long skirt and threaded insert, and because the step it can be performed at high speed - without the use of a rotational and screwing movement, and with a very economical capping device.
• Figure 1a shows a partial view of a bottle (4 1 ) whose neck (40) is provided with a screw ring (41) as shown, in an enlarged manner, in Figure 1b.
• FIG. 1c is a diagrammatic 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 FIG. 1b, each thread (410) extending over an angular range ⁇ of approximately 120 °, two successive threads being angularly offset by 72 ° (36075), the number N of threads (410) being equal to 5 .
• FIGS . 2a to 4b relate to a modality of the invention in which the closure cap (1) comprises a guarantee band (60) as a first opening detection means (6).
• the screw ring (41) adapted to this type of capsule (1) is shown in Figure 2a by its profile, and in Figure 2b in side view.
• Figures 4a and 4b show 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 in which the closure cap (1) does not include a guarantee strip.
• the screw ring (41) adapted to this type of capsule (1) is shown in Figure 5a by its profile, and in Figure 5b in side view.
• FIGS. 7a and 7b similar respectively to FIGS. 4a and 4b, show the capsule (1) closing the neck (40), the capsule (1) being fixed to the screw ring (41) by the capping operation according to FIG. 'invention.
• FIGS. 8a and 8b similar to FIGS. 4a and 4b, show another embodiment of cap (1) with a domed head.
• FIG. 9 illustrates the capping device (8) represented at the end of capping of a capping cap (1) according to FIGS. 2a to 4b on a neck (40), this device (8) comprising a support punch ( 81) exerting 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 die shrinks (80).
• FIGS. 10a to 10c illustrate a sealing means (5) for a closure cap (1) not including a guarantee strip (60), this sealing means comprising a seal (50) cooperating with a lip sealing
• FIG. 10a relates to a capsule (1) with this sealing means -. (5).
• FIG. 10b illustrates the closure of a standard neck (40 ') provided with a screw ring (4T) and a counter-ring (47) by the closure cap (1) according to the Figure 10a.
• Fig. 10c illustrates the case where the closure cap (1) of Fig. TOb is covered by an overcap (63) forming an insert (62), said overcap (63) comprising two spaced apart lines (631) defining between them a tear strip (630) so as to form said first opening visual detection means (6).
• FIG. 10d is analogous to the right half-portion of FIG. 4 and differs 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 threads
• each thread (410) being angularly offset by 360 ° / N, each thread (410) extending over an angular range G typically ranging from 60 ° to 360 ° depending in particular on the diameter of said neck (40), as illustrated in FIG.
• the height H of said annular portion (41 1) 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. In the figures have been represented only rings "low”.
• said threads (410) may have a radius of curvature RI 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 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 close to 20 °.
• said rim (42) can be connected to said annular portion (41 1) by an upper sealing edge (45) forming an arc (46) with an angle of 90 ° -a and a radius of curvature R2. ranging from 0.5 mm to 3 mm, and preferably from 0.8 mm to 1.5 mm.
• the nets (410) have an angular profile that contributes greatly to this effect" anti-gout ".
• said inner diameter D2 can range from 22 to 36 mm.
• this inside diameter D 2 was taken to be equal to 31.5 mm in the case, illustrated in FIGS. 2 a to 4 b, where a capsule (1) comprising a guarantee strip is used. (60). It was taken equal to
• 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 zone forming the neck of the bottle being narrowed on a height sufficient for this, and typically at a height of at least 20 mm, or even much more in the case of the bottle shown in Figure 1a.
• said capsule (1) may include 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 selected from a multilayer material having a layer formed of cellular or thermomeric material, for example an expanded PE forming a foam having a density of 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.
• the compression of the seal (50) can be seen in Figures 4a, 7a and 9.
• 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.
• FIGS. 4a and 7a illustrate the case where is present a lip (33) whose role can be double: on the one hand, it can ensure the maintenance of the seal (50) at the bottom of the insert (3), as can be seen for example in Figure 3a, on the other hand, it may possibly participate in the radial seal either by direct contact against the vertical wall (460) of the arc (46) forming the upper rim of sealing (45), or by participating more directly in the radial compression of the seal, thereby forming a sealing lip (51) as shown in Figures 10b and 1 Oc.
• 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 the 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 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 shown in a figure - may be an alternative to that shown in FIG. 3a in which the means of
• said first opening visual detection means (6) can be formed by an insert (62), typically by assembly, by use of a heat-shrinkable sheath or by an overcap (63), as illustrated in Figure 10c.
• said metal shell (2) and said inserf (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 in FIG. 3a.
• said inner skirt (31) of said insert (2) may have a thickness Ep ranging from 0.2 to 2 mm, and preferably ranging 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 shown in 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 Di-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 -retracted 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 (V).
• said metal shell (2) may have an 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 (41 1).
• 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 about 1 / 4.5 in the case of capsules (1) of Figure 3a or Figure 6a.
• the capsules (1) illustrated by the figures and serving as exemplary embodiments correspond to modalities - not limiting - capsules skirt ultrashort.
• 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 lower at 5 mm.
• the screw capping capsules after capping (V) 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. This is a height h (or h ') low 0 with respect to its diameter d, with a ratio h / d much less than 1, while the ratio h / d for screw closure capsules, as illustrated for example in the abstract figure of the patent application FR-A1 -2 763 046 is of the order of 1, 5 to 2.
• the axial height h of said metal skirt (21) may be at least equal to the axial height Hi of the inner skirt (31) of the insert (3), as illustrated in FIGS. 3a, 6a and 10a.
• the guarantee strip (60) can be arranged
• said metal skirt (21) may comprise a free lower end (21O 1 ) not 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 peripheral portion (500) of said seal (50) is applied against said curve arc (46) of said rim (42) and thus subjected to permanent radial compression to ensure the sealing of said capping in all circumstances, even in case of variation of an axial compression of the seal.
• said metal head (20) can be a curved party (23), said lower head (30) of said insert (3) forming a domed inner head (34) comprising a curved upper wall (340) having a curvature substantially corresponding to that of said curved 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 curved upper wall (23) can typically be from 30 mm to 70 mm and be 50 mm as shown in 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 process 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 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. 9, a displacement punch (81) with displacement axial shaft for compressing the head of the capsule (1) on the neck (40) to be encapsulated, and a shrinkage matrix (80) coaxially displaced to said punch (81) for shrinking said metal skirt (21) to form a skirt shrunken metal (22) and said inner skirt (31) to form a
• FIGS. 1a and 1b Glass bottles (4 ') according to FIGS. 1a and 1b were made by a glassmaker, and according to each of the methods according to FIGS. 2a and 5a.
• the capping device (8) comprising a necking matrix (80) and a sliding bearing punch (81), as
• 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 of the invention allows the use of capsules with non-threaded insert, which is already advantageous economically and interlock these capsules on a threaded neck with a simple axial movement of a matrix shrinking of a c ⁇ psul ⁇ ge device, and this without having to use a rotating tool, so as to obtain at high speed capsulated bottles with a shrink-free capsule devoid of wrinkles and maintaining the attractive appearance of the capsule of origin before shrinking.
• the cost of the capsule (1) and those related to capping itself (high rates, low investment and operating costs)
• 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)

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• 2006
  • 2006-04-24 FR FR0603616A patent/FR2900143B1/fr not_active Expired - Fee Related
• 2007
  • 2007-04-16 EP EP07731301A patent/EP2010436B1/de not_active Not-in-force
  • 2007-04-16 WO PCT/FR2007/000634 patent/WO2007125185A1/fr not_active Ceased
  • 2007-04-16 AT AT07731301T patent/ATE492487T1/de not_active IP Right Cessation
  • 2007-04-16 DE DE602007011420T patent/DE602007011420D1/de active Active
  • 2007-04-24 CL CL2007001164A patent/CL2007001164A1/es unknown
  • 2007-04-24 AR ARP070101758A patent/AR060809A1/es unknown
• 2008
  • 2008-11-24 NO NO20084940A patent/NO20084940L/no not_active Application Discontinuation

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