WO2004005151A2 - Capsule composite pour la fermeture de bouteilles et contenants similaires, procedes divers de realisation pour cette capsule et dispositifs de mise en oeuvre des procedes - Google Patents

Capsule composite pour la fermeture de bouteilles et contenants similaires, procedes divers de realisation pour cette capsule et dispositifs de mise en oeuvre des procedes Download PDF

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Publication number
WO2004005151A2
WO2004005151A2 PCT/EP2003/050285 EP0350285W WO2004005151A2 WO 2004005151 A2 WO2004005151 A2 WO 2004005151A2 EP 0350285 W EP0350285 W EP 0350285W WO 2004005151 A2 WO2004005151 A2 WO 2004005151A2
Authority
WO
WIPO (PCT)
Prior art keywords
shaped element
cup
diaphragm
rigid cup
capsule
Prior art date
Application number
PCT/EP2003/050285
Other languages
English (en)
Other versions
WO2004005151A3 (fr
Inventor
Guido Ribi
Original Assignee
Guido Ribi
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 Guido Ribi filed Critical Guido Ribi
Priority to EP03762691A priority Critical patent/EP1519881A2/fr
Priority to US10/528,297 priority patent/US20050269283A1/en
Priority to AU2003251005A priority patent/AU2003251005A1/en
Publication of WO2004005151A2 publication Critical patent/WO2004005151A2/fr
Publication of WO2004005151A3 publication Critical patent/WO2004005151A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44—Making closures, e.g. caps
    • B21D51/46—Placing sealings or sealing material
    • 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
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/20—Caps or cap-like covers with membranes, e.g. arranged to be pierced
    • 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
    • B65D41/22—Caps or cap-like covers with elastic parts adapted to be stretched over 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
    • 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
    • B65D41/26—Caps or cap-like covers serving as, or incorporating, drinking or measuring vessels

Definitions

  • the invention relates to a device for sealing bottles or containers , comprising a cap element which has the shape of a closed bottom cup and includes a diaphragm that is stretched perpendicular to the axis of the device, at a suitable distance from the closed bottom, and a peripheral cylinder- or truncated cone- shaped wall which is designed to lie over the end portion of the container opening, which peripheral wall has means for coupling it, by deformation or screw fastening to cooperating radial ridges or external threads of the outer end portion of the container opening, there being further provided seal means interposed between the cup-shaped element and the container opening edge.
  • liquid and/or food containers are sealed either by means of screw caps or metal crown caps , or various metal or plastic disks , to be attached to the opening edges , or blind seals , which are held in position by other mechanical devices, like those mentioned above.
  • Other types of caps such as thread-on metal caps ,
  • SUBS (RULE 26) are made of cylindrical capsules to be fitted on the opening in such a manner as to lie over the outer surface of the container end portion at said opening, which end portion has external threads formed thereon, while the capsule is internally threaded by rolling it against said externally threaded end portion.
  • Plastic caps already have internal threads for cooperation with external threads formed on the end portion of the container at the opening thereof .
  • the sealing effect is obtained thanks to the cap material itself or to sealing disks or rings disposed on the inner face of the cap wall, which is positioned perpendicular to the opening axis .
  • prior art caps typically have safety means for ensuring maintenance of the closed condition of the container, which act as tamperproof seals for indicating any package tampering attempt.
  • end rings typically have internal radial ridges, which may have an annular or discontinuous shape , for engagement behind external radial ridges , such as annular shoulders or the like, formed in the end portions of the openings of containers , particularly bottles .
  • tamperproof sealing is obtained by providing that an annular end portion of the side skirt wall of the cap has a tear-off portion, requiring a predetermined tearing force, which is integral with the cap, and that it can be elastically or non-elastically deformed to engage with a radial widened portion of the end of the outer wall of the container opening, which is situated upstream from the threaded portion of said end.
  • the invention has the object of providing a cap that, by simple and inexpensive arrangements, allows to improve the sealing effect between the cap and the container, simplify the operations required for manufacturing the cap and fitting it on the container, and reduce the costs associated with the caps and with container closure operations , while improving the hygienic quality of the product.
  • the invention has the object of obtaining a better tamperproof effect, by effectively preventing any attempt to defeat tamperproof means or to conceal container tampering effects .
  • the invention achieves the above purposes by providing a cap as described hereinbefore, wherein the sealing means consist of a diaphragm 2 , that is subtended perpendicular to the axis of the cup-shaped element 2, the so-called capsule 3, and completely covers the open side of said cup-shaped element 3, said diaphragm 2 being made of an extensible plastic film.
  • the extensible diaphragm 2 may be directly secured to the edge of the open side of the capsule 3 or be fitted into the capsule 3 in a retracted position relative to said edge of the opening, i.e. in an intermediate position between the latter and the closed side.
  • the diaphragm may be secured in several different manners , i.e. either by gluing or by other chemical and/or physical adhesion arrangements .
  • the diaphragm is directly attached to the edge that surrounds the opening of the cup-shaped element 3 i.e. the capsule .
  • This edge may be advantageously widened to form an enlarged portion or flange, having a wider surface for adhesion to the diaphragm.
  • the variant of Fig. 3 provides, alternatively or in combination with direct attachment to the edge that surrounds the opening of the cup-shaped element 3, that the diaphragm 2 extends radially beyond said edge and forms an annular peripheral band for attachment to the end portion of the outer cylindrical wall of the cup- shaped element 3 at the open end thereof.
  • the diaphragm may be secured by gluing and/or other chemical and/or physical adhesion arrangements.
  • the adhesion of the annular peripheral band of the diaphragm 2 against the outer surface of the cup-shaped element is caused by the natural resiliency of the previously stretched diaphragm 2, i.e. by its ability to shrink thereon.
  • the elastomer of the extensible diaphragm 2 has plastic properties, i.e. mutually sliding macromolecules , it is also capable of partly recovering its original structure after being stretched.
  • a diaphragm 2 of the above type is laid over the opening of the capsule , i.e. the rigid cup-shaped element 3, and is simultaneously stretched along the axis thereof, the volume of its material decreases in sections coaxial to the opening as these sections approach said container opening.
  • a surface of revolution is thereby generated, whose generatrix is a paraboloid.
  • the resilient vectors that are higher along the axes normal to vertical stretching, due to geometric and mechanical reasons, generate an annular shrinking effect parallel to the concentric cross sections of the surface of revolution, thereby causing the annular peripheral band of the diaphragm to crimp the outer edge .
  • This shrinking or crimping effect may achieve very high pressure values, depending on the diaphragm thickness , and is always effective to ensure a tight sealing effect.
  • the diaphragm 2 may be advantageously fitted on the capsule 3 by heating both the diaphragm and the rigid capsule.
  • the diaphragm may be disposed on an intermediate plane between the closed side and the open side of the cup- shaped element 3, there being still provided a peripheral band lying over the cylindrical side wall of the cup-shaped element 3, this time on the inner side thereof.
  • the diaphragm 2 i.e. the peripheral band thereof may be attached to the inner wall of the cup-shaped element 3 by adhesion, welding and/or any other chemical and/or physical process .
  • the plastic elastomeric diaphragm 2 is fitted on a bushing 11 or a cylindrical ring nut, which is open on both end sides and, according to a first embodiment, as shown in Fig.
  • the bushing or ring nut 11 lies, thanks to an elastic and/or shape fitting arrangement, over the cup-shaped element 3, along a portion of its axial extension, at the end of the opening of the cup-shaped element 3, thereby compressing the peripheral band of the diaphragm 2 against the outer surface of the wall of the cup-shaped element 3.
  • the ratio of the diameter of the cup-shaped element 3 to the diameter of the bushing or ring nut is such that the bushing 13 lies over the inner surface of the peripheral wall of the cup-shaped element 3, along a certain axial depth, while compressing, by its outer surface, the annular peripheral band of the diaphragm 2 which overlaps the outer surface of the bushing or ring nut 11 against the inner surface of the cylindrical wall of the cup-shaped element 3.
  • the diaphragm may be also subsequently welded or simultaneously glued.
  • the bushing 11 or 13 or ring nut may have lead-in surfaces, which may consist, if the bushing or ring nut is designed to be force fitted in the cup-shaped element, of a conical or rounded tapering of the insertion end.
  • the bent diaphragm 2 is advantageously embedded in the assembly of the cup- shaped element and the bushing 11 or 13 or ring nut.
  • the bushing 11 or ring nut and the cup-shaped element 3 are connected by means of radial ridges of one of the two elements , cooperating with radial recesses of the other part, which radial recesses may be provided originally or formed by deformation by the radial ridges of the other part, upon coupling thereof.
  • FIGs. 17 and 18 Another simple and inexpensive embodiment, as shown in Figs. 17 and 18 provides, in combination with the rigid cup-shaped element 3, in lieu of a diaphragm
  • the extensible plastic element 82 which is preferably made by injection molding and has the shape of a cup, has a thicker and stiffer peripheral rim.
  • the free edge of the extensible plastic cup-shaped element 82 has a stiffening flange or annular widened portion of any suitable shape , and made of the same material , whose inside diameter preferably corresponds to the inside diameter of the capsule 3 or cup-shaped element minus twice the thickness of the cylindrical portion of the element 82, whereas the outside diameter is equal to or greater than the outside diameter of the capsule 3 or rigid cup-shaped element, and its thickness is sufficient to stiffen the edge .
  • the above embodiments are described with reference to both cylindrical or substantially cylindrical and conical or substantially conical rigid cup-shaped elements or capsules .
  • the invention proposes a process for making such combinations of capsules and diaphragms 2 including the steps of:
  • the diaphragm 2 is cut along a circular line, thereby forming a peripheral band which will overlap the truncated cone-shaped outer wall of the rigid cup-shaped element 3 thanks by shrinking thereon. Therefore, the peripheral band of the diaphragm 2 shrinks around the truncated cone-shaped wall of the rigid cup-shaped element 3, its diameter becoming smaller than the greatest diameter of said rigid cup- shaped element 3 , due to the internal transverse resilient stresses generated by longitudinal stretching of the extensible plastic polymer.
  • the rigid cup-shaped element that forms the capsule is mounted by elastic force fitting of the cap onto the container, with an axial displacement relative to the axis of the closure device and/or the container opening, whereby the diaphragm 2 cannot be broken before or during coupling of the closure device.
  • the natural resiliency of the extensible cup-shaped element 82 and of the container 1 allow mutual coupling of the cooperating threads of said two parts and of the engagement means of the tamperproof ring, thanks to the action of compression means.
  • the opening of the bottle or any other container exerts a force on the diaphragm 2 or the extensible plastic cup- shaped element 82 thereby causing it to stretch thereon, in such a manner that the diaphragm adheres against the edge of the opening of the container 1 , and a sealing action is effect which is independent of the cap tightening force.
  • the cap of the container 1 is opened, e.g. unscrewed, the diaphragm is subjected to shearing stresses is broken, thereby permanently indicating the opened condition.
  • the closure device of the invention allows to readily check if the container has been tampered.
  • a closure device is composed of a composite capsule, consisting of a rigid cylindrical cup-shaped element 3 and an extensible plastic diaphragm 2 that is subtended over the whole opening of the cup-shaped element 3, i.e. secured to the delimiting edge of the open side of the cup-shaped element 3.
  • said edge of the side wall of the cup-shaped element 3 surrounding the opening is arranged to be radially widened in the form of a flange .
  • the diaphragm 2 may be secured to the rigid cup-shaped element 3 in any manner, e.g. by gluing, welding or other chemical and/or physical adhesion arrangements .
  • Fig. 3 shows a variant of the embodiment of Fig. 1 , in which the peripheral flange for attachment of the diaphragm 2 has an outwardly divergent conical profile with slightly arched surfaces for diaphragm adhesion.
  • Such embodiment is advantageous for the elastic force fitting arrangement, which is possible thanks to the natural resilience of the diaphragm 2 , when said diaphragm is fitted on the opening of the rigid cup- shaped element 3 by pressing the latter against the diaphragm and subsequently cutting the diaphragm 2 along a circular line surrounding the rigid cup-shaped element 3 at a certain radial distance therefrom, as shown in the process described in claim 33.
  • the peripheral band of the diaphragm 2 is subjected to an elastic shrinking effect, which causes the peripheral flange to shrink against the conical flange. If this band has a sufficient width, the outermost radial portion may reach the annular groove and form, by shrinking, a sort of collar around the rigid cup-shaped element 3.
  • the diaphragm is embedded within the rigid cup-shaped element 3.
  • This embodiment is advantageous in that the stretched embedded diaphragm is less exposed to direct contact and hence to contamination and mechanical damages .
  • the extensible diaphragm has a peripheral flange, but the latter is designed to be secured in a position in which it overlaps the inner side of the peripheral walls of the cylindrical rigid cup-shaped element 3.
  • the diaphragm may be attached by gluing, welding or any other well-known chemical and/or physical adhesion arrangement .
  • FIGs 4 and 5 show two alternative embodiments wherein the diaphragm 2 is secured in an intermediate position between the open side and the closed side of the rigid cup-shaped element 3.
  • the rigid cup-shaped element 3 is provided in combination with a ring nut or a bushing 11, 13, which is designed to engage in the rigid cup- shaped element 3, e.g. by crimping or elastic force fitting.
  • the ring nut or bushing 11 has an inside diameter that is substantially equal to or slightly greater than the outside diameter of the cup-shaped element 3 and is designed to lie coaxially over the cylindrical wall thereof, at least over a portion having a predetermined axial extension, i.e. a partial or full extension of the cylindrical wall of the rigid cup-shaped element 3.
  • the diaphragm 2 is subtended over the opening of the rigid cup-shaped element 3 and a peripheral flange thereof overlaps the outer side of the peripheral cylindrical wall of said cup-shaped element 3. Therefore, the diaphragm is mechanically retained between the outer side of the cylindrical wall of the rigid cup-shaped element 3 and the ring nut or bushing 11 wherein said rigid cup- shaped element 3 is fitted.
  • the two parts may be coupled by crimping or by radially pressing the bushing or ring nut 12 against the cylindrical wall of the rigid cup-shaped element 3 and this may occur before or during application of the closure device to the container, which application includes rolling of the closing device on the opening of the container to form, for instance, the outside threads and the mutual engagement tabs between the closure device and ridges , annular shoulders and/or recesses of the container opening, as is currently used for application of metal capsules to close containers , such as bottles or the like.
  • the two parts may be connected by elastic and/or snap fitting and/or by welding and/or gluing or other chemical and/or physical adhesion arrangements, possibly combined with a previous snap or elastic force fitting coupling.
  • the free edge of the opening of the rigid cup-shaped element 3 may be slightly rounded or may slightly shrink, in a conical profile, to facilitate insertion thereof in the bushing or ring nut 11.
  • the variant embodiment of Figure 5 discloses an inverse situation, in which the bushing 13 or ring nut 11 is designed to be inserted in the rigid cup-shaped element 3 , the diameters of said two parts being appropriately sized therefor.
  • the diaphragm 2 is subtended over the end of the bushing 13 or ring nut 11 to be disposed inside the rigid cup- shaped element 3.
  • the diaphragm is attached to the bushing or ring nut 11, and the bushing or ring nut 11 is coupled to the rigid cup-shaped element 3 substantially as described regarding the previous embodiment of Fig. 4.
  • Figure 6 shows a variant embodiment in which a disk-like seal 4 or the like is provided in addition to the diaphragm 2 of the embodiment of Figure 2.
  • the closed wall of the rigid cup- shaped element 3 has an aperture 9 which is outwardly closed by a transparent wall 8 , sealed to said aperture 9, for instance glued on the inner side of the corresponding wall of the rigid cup-shaped element 3, and may even consist of a sealing ring.
  • Figure 3 bis shows a variant of the embodiment of Figure 2, wherein, along a predetermined axial portion of the cylindrical wall of the rigid cup-shaped element 3 or possibly of the inner ring nut 11, the cylindrical peripheral wall of the rigid cup-shaped element 3 is discontinuous, i.e. formed by wall portions separated by notches 12. Nevertheless, the invention shall not be intended to be limited to this condition, which only embodies a process for facilitating the application of the diaphragm 2.
  • Figures 14 or 15 or 16 show an exemplified method of fitting of the closure device to a bottle 1.
  • the principle of using a diaphragm to seal the surfaces of containers 1 is substantially the same for any embodiment described herein.
  • the closure device When the closure device is fitted on the opening of the container 1, this device is axially pushed over the opening of the container 1, which exerts pressure on the diaphragm and extends it. In these conditions, the diaphragm is stretched. While the elastomer that forms the diaphragm has plastic properties, i.e. mutually sliding macromolecules , it is also capable of partly recovering its original structure, by partial resilience, after being stretched. Particularly, when a diaphragm 2 made of such a polymer is laid over an opening of a container 1 and is simultaneously stretched axially along the opening, for example by fitting the composite capsule therein, the volume of its material decreases in sections coaxial to the opening, as these sections approach the opening of the container 1. A surface of revolution is thereby generated, whose generatrix is a paraboloid.
  • the resilient features that are higher along the axes perpendicular to vertical stretching, due to geometric and mechanical reasons , cause an annular shrinking effect parallel to the concentric cross sections of the surface of revolution, thereby causing the diaphragm 2 to crimp the outer edge of the opening.
  • This shrinking or crimping effect may achieve very high pressure values , depending on the thickness of the diaphragm 2 , but is always effective to ensure a tight sealing effect.
  • the diaphragm 2 may be advantageously fitted on the rigid capsule 3 by heating the diaphragm 2 and the rigid capsule 3 and the opening of the container 1. In fact, heating causes changes in the technical properties of plastic materials to facilitate adhesion thereof.
  • the composite capsule of this invention may be alternatively used with an elastic seal 4.
  • This seal 4 is typically positioned, for hygienic and sealing purposes, between the cap 3 and the diaphragm 2. It is also typically fitted directly inside the capsule 3.
  • the rigid cup-shaped element 3 also known as capsule, consists of a screw cap, including a tamperproof sealing ring, which is connected to the rest of the cup-shaped element 3, i.e. the actual screw cap by a tear-off line, requiring a predetermined breaking force.
  • cup-shaped element is made from metal, its threads , the predetermined tear-off line of the sealing ring 36 and any further deformations of the rigid cup- shaped element 3 required to ensure coupling thereof to the opening of the bottle 1 are obtained in a well- known manner, thanks to a shaping process which consists in outside rolling of the cup-shaped element against the opening of the bottle 1, the latter having ridges that form the external threads 101 and annular shoulders 35 for axially retaining the sealing ring, that is designated by numeral 36.
  • the closure device is fitted on the opening and pushed against it until the edge of the opening of the container 1 abuts against the corresponding wall of the rigid cup-shaped element 3 , which thereby deforms the diaphragm 2 to obtain the above described effects .
  • Figures 14a, 15a and 16a show the condition prior to pushing the device against the opening of the bottle 1, whereas Figs. 14b, 15b, and 16b show non realistic removal of the screw cap part, in which the predetermined tear-off line 33 and the bridges that retained the tamperproof ring are visible.
  • the diaphragm 2 is shown in an unbroken condition, even though it is necessarily torn off by the unscrewing operation. Therefore, any attempt the unscrew the closure device without breaking the tamperproof ring 32, e.g. by using tools for allowing the ring 32 to pass over the ridges 201, causes the diaphragm 2 subtended over the opening of the bottle 1 to be forcibly broken, to faultlessly indicate that the bottle was opened.
  • Figures 16a and 16b show the above with reference to the variants of Figures 4 and 5.
  • the diaphragm 2 operates in exactly the same manner, and a few details of the tamperproof ring 32 are only changed, without affecting the features and the operating modes thereof.
  • a first process is shown in Fig. 26 and may be possibly also implemented for rigid cup-shaped elements 3 made of plastic, the process providing that a diaphragm disk 2, whose diameter is greater than the inside diameter of the capsule 3 is first made to coaxially adhere by vacuum 20 to the closed, suitably perforated bottom of a hollow cylinder 21 whose inside diameter is smaller than the inside diameter of the capsule or rigid cup- shaped element 3 to be later forced into the capsule 3 and caused to adhere thereto, by the 90° bent portion of the diaphragm disk 2 , which exceeds the diameter of the cylinder 21, along a cylindrical portion, next to the free edge of the rigid cup-shaped element 3.
  • a low taper truncated cone may be provided instead of a cylinder, with the bottom having a smaller diameter.
  • FIG. 27 Another apparatus for implementing the above process, as shown in Fig. 27, consists of a modular cylinder, i.e. composed of several parts, whose outside diameter is smaller than the inside diameter of the rigid cup-shaped element 3, said modular cylinder being longitudinally divided into at least two sectors 27 which have a 180° angular width, are perforated and equal, have a closed bottom and may be transversely spread apart by pneumatic cam actuators , e.g. by pistons 28 and cylinders 28bis appropriately disposed between the sectors 27 or by inflatable bags, whereas they may be drawn closer by suitable springs 29, e.g. annular springs that outwardly and inwardly surround the sectors 27 of the modular cylinder.
  • suitable springs 29 e.g. annular springs that outwardly and inwardly surround the sectors 27 of the modular cylinder.
  • Each hollow sector 27 of the cylinder is maintained under vacuum 20 and has at least one hole in its closed bottom.
  • Mechanical drive means accomplish the operations of grasping the diaphragm disk 2 , introducing it in the capsule 3 and then pressing the portion thereof that exceeds the diameter of the cylinder 21 against the inner cylindrical portion of the capsule 3 , provided for adhesion.
  • FIG. 8 A variant of the process for fitting the diaphragm 4 is shown in Figures 8 to 13.
  • the open side of the rigid cup-shaped element 3 is first flared by a conical wedge 14 and later flattened by a flat head cylinder 15, whereas the rigid cup-shaped element 3 is accommodated in a correspondingly shaped housing 16, and a diaphragm disk 2 is laid on the plane of the portion that is bent at 90° with respect to the cylinder axis, in any suitable manner.
  • the flattened edge, with the diaphragm 2 fitted thereon is brought back to its original position by a first bend back step, and subsequently straightened by rolling it by appropriate rollers 17 and counter rollers 18 and/or by a coaxial compression of conical sectors 19, which are connected to form a sort of mandrel, while the capsule 3 is firmly held in its seat or receptacle 16 by applying vacuum thereto.
  • the steps of flaring, flattening, fitting the diaphragm disk 2 and subsequently restoring the position of the bent portion may be also carried out on the rectangular or trapezoidal surfaces delimited by the cuts 12, as shown in Fig. 3 bis, on which the diaphragm 2 adheres .
  • flaring or 90° flattening of the free edge of the rigid cup-shaped element 3 may be obtained by spin molding the rigid cup-shaped element 3 from ductile metal .
  • a metal pellet is introduced in an appropriate openable mold and forced by spinning to spread through the whole space in the mold, the above mentioned straightening steps being carried out later on.
  • Figures 17 and 18 show a variant embodiment, relating to claim 12 and other claims dependent therefrom, wherein the diaphragm 2 is replaced by a cup-shaped element 82 made of an extensible material, which has an enlarged peripheral edge at its opening, and is coupled to the rigid cup-shaped element 3 by being force fitted therein or by force fitting the enlarged portions against the peripheral wall of the rigid cup-shaped element 3, thereby obtaining a deformation 84 of said peripheral wall, i.e. the formation of recesses for engagement of said thickened edge 85, shaped by the extensible plastic cup-shaped element 82.
  • a cup-shaped element 82 made of an extensible material, which has an enlarged peripheral edge at its opening, and is coupled to the rigid cup-shaped element 3 by being force fitted therein or by force fitting the enlarged portions against the peripheral wall of the rigid cup-shaped element 3, thereby obtaining a deformation 84 of said peripheral wall, i.e. the formation of recesses for engagement of said thickened edge 85, shaped by the extensible plastic
  • the diaphragm of the cup-shaped element 82 is formed by its closed side and its peripheral wall whereas, as described above, the thickened edge is used for coupling with the rigid cup-shaped element 3 thanks to a mutual complementary shaping which forms cooperating snap fitting means .
  • the diaphragm 2 is replaced by an extensible plastic element 82 , preferably made by injection molding, and having the shape of a cup with a thicker or stiffer peripheral rim, i.e. having the shape of a closed bottom hollow cylinder with an appropriate thickness , whereas its free edge has a flange or an annular stiffening enlarged portion, of any shape and made of the same material , the inside diameter of such flange or enlarged portion being preferably equal to the inside diameter of the rigid cup-shaped element 3, minus twice the thickness of the cylindrical portion of the element, whereas the outside diameter is equal to or greater than the outside diameter of the rigid cup-shaped element 3 and its thickness is sufficient to stiffen the rim.
  • Such extensible plastic cup-shaped element 82 is fitted in the rigid cup-shaped element 3, in such a manner that the thickened rim thereof comes in contact with the free edge of the rigid cup-shaped element 3, whereas its cylindrical wall and its closed bottom act as a thin diaphragm to be stretched as the device is fitted on the opening of the container 1.
  • the outer closed cylindrical portion of this element 82 is shorter than the inner cylindrical portion of the rigid cup-shaped element 3 and is in contact therewith.
  • the extensible plastic cup-shaped element 82 may be integrated with the rigid cup-shaped element 3, either by the simple elastic response of its stiffened rim against the free edge of the capsule 3 or by gluing or melting a part or all of its surface in contact with the rigid cup-shaped element 3.
  • the extensible plastic element 82 may further have the shape of a closed- bottom truncated cone, which is closed on the smaller diameter side, and is preferably provided in combination with rigid truncated cone-shaped cup-like elements 8.
  • the stiffened, enlarged rim 85 and/or the flange may form a tamperproof seal to be preferably held in the special annular housing of the rigid cup-shaped element 3 or in any other appropriate manner .
  • Figures 19 and 20 show a process and an apparatus for fabricating composite capsules according to the invention, which have a truncated-cone shape and are combined with a sealing film or diaphragm 2.
  • the process for making a truncated-cone shaped metal composite capsule, adhering to the rigid capsule by shrinking thereon includes the steps of:
  • the composite capsule which essentially consists of a rigid cup-shaped element 3, wherein the extensible diaphragm 2 is subtended perpendicular to the axis of the rigid cup-shaped element 3, and whose plane is at a suitable distance between the open side and the bottom of said rigid cup-shaped element 3, must fulfill a few particular conditions .
  • the first condition is that it shall be able to be used in experimental or currently available capping apparatus .
  • the second condition is that the diaphragm 2 may be properly stretched on the opening edge of bottles 1 or similar containers by a single operation, i.e. by pressing the rigid cup-shaped element 3 against the opening of the bottle 1 or similar container, and that, after this stretching step, when the opening of the container 1 comes in contact with the bottom of the rigid cup-shaped element 3, the latter may be crimped or molten, if it is made of plastic, by using conventional apparatus , on the opening of the container 1. This operation allows to achieve a strong and tight elastic closure.
  • the third condition is that such composite capsules shall be easily sterilizable both for storage and immediately before capping.
  • this composite capsule shall also have particular geometric and mechanical properties , the most important whereof is the distance of the pre- applied diaphragm 2 from the opening edge of the rigid cup-shaped element 3, depending on the quality and thickness of the extensible plastic polymer as well as on the shape and quality of the metal or plastic material that forms the rigid element 3.
  • These basic properties are:
  • the diaphragm 2 must be situated at such a distance from the opening of the rigid cup-shaped element 3 that the composite capsule may loosely cap the opening of the container 1 to be sealed. 2.
  • the distance between the diaphragm 2 and the bottom of the rigid cup-shaped element 3 must be such that, as said rigid cup-shaped element 3 is pressed against the opening of the container 1 , the diaphragm 2 is sufficiently stretched to firmly adhere against the edge of the container 1 , but not to such an extent as to be torn thereby.
  • the materials that form the capsule must be capable of firm adhesion by crimping, by other elastic arrangements, by heating or melting or by screwing thereof to the opening of the container.
  • the invention also provides processes to make preassembled capsules out of a ductile metal, capable of being crimped.
  • the cap described herein may have additional seal or tamperproof means which consist of an extension 30 of the wall of the cap, i.e. the rigid cup-shaped element 3 toward the bottom of the container 1, i.e. toward the opposite side of the container 1, which extension starts from the portion of the rigid cup-shaped element 3 adjacent to the predetermined tear-off or breaking line 33 , which separates the cap part from the sealing ring 36, and extends beyond said sealing ring to cover the whole of it.
  • the extension is provided as a conical widened part, designed to lie over the whole seal ring, which is held between two continuous or discontinuous annular shoulders 35, or designed to lie over a continuous or discontinuous annular shoulder 36 on the rear side with respect to the cap removal direction, which shoulder/s are formed on the neck of the container or bottle 1 at a predetermined distance from the opening thereof.
  • the conical extension is made of a rigid material and effectively prevents the sealing ring from being deformed by any tool, in an attempt to pass it over the annular shoulder 35 , by removing the whole capsule without separating the sealing ring 36 from the cap part, to conceal tampering.
  • the conical extension of the rigid cup-shaped element 3 which forms the cap part extends beyond the sealing ring 36 toward the bottom of the bottle or container, thereby forming a sort of drinking glass of any shape whatever, whose wall lies over the peripheral skirt wall of the bottle or container at least in the free edge portion of the extension, or at least along an end strip next to said free edge, or substantially all along the wall of said extension.
  • Different alternatives may be provided depending on the shape of the bottle or container.
  • said extension may be made of one piece with the cap part of the rigid cup-shaped element 3 or is glued or welded thereon whereby said cap part of the rigid cup-shaped element 3 forms the drinking glass bottom.
  • the glass has such an axial length and such a shape as to ensure that the free edge of the glass and a portion adjacent thereto are placed in such a position relative to the bottle 1 or the container, that the label 32 overlaps said free edge and said portion to protect the free edge of the drinking glass and a peripheral portion adjacent thereto , while preventing contaminating particles from penetrating the glass .
  • Figures 22, 23, 24 and 25 show different embodiments of this arrangement.
  • the bottom 34 of the glass also forms the cap bottom, transverse to the axis of the bottle, said cap element and the glass 30 being made from one piece.
  • said wall transverse to the axis of the bottle 1 is thicker and has a diameter that is greater than that of the cap bottom.
  • This provides a solid support base for the drinking glass portion formed by the extension 30, and further facilitates unscrewing and removal of the cap from the bottle 1.
  • the glass-like extension 30 has a seat 130 in which the cap part of the rigid cup-shaped element 3 is secured by gluing and/or welding and/or any other chemical and/or physical method.
  • the seat whose shape is complementary to the outer shape of the rigid cup- shaped element 3 , is formed inside the outer peripheral wall of the glass-like extension 30.
  • FIG. 25 shows a different construction in which the glass-like extension is still a glass separated from the cap part, but the seat for attachment of the glass-like element 30 consists of an appropriately sized narrowed portion of the peripheral wall of the glass-shaped element 30, whereas an outer hood- or cup-shaped closure element 39 is provided, which closes the peripheral wall of the glass element 30 at its end situated on the closed side of the cap part 3.
  • the drinking glass has a shape that substantially corresponds to that of the end of the bottle 1 or container, and is associated to the bottom thereof, said drinking glass 31 having such a size and/or shape as to be readily removably secured to said bottom end of the bottle by elastic force fitting.
  • the label 32 is arranged to overlap the free edge of the glass with the same effect as in the previous embodiment.
  • This embodiment may be provided in combination with the previous embodiment, whereby a bottle may be associated with at least two drinking glasses, one of which is also used to protect the sealing ring 36.
  • Fig. 1 is an axial sectional view of a cylindrical closure device according to a first embodiment of the invention .
  • Figure 2 shows, like Figure 1, a variant of the embodiment that is shown therein.
  • Figure 3 is a view of an additional variant of the embodiment as shown in Fig . 1.
  • Fig. 3 bis is yet another view of a different variant embodiment according to claim 40.
  • Figs . 8 to 13 show different steps of a process for making a metal closure device according to the invention.
  • figs. 14a and 14b show the method of fitting the device as shown in Fig. 2 on a bottle.
  • figs. 15a and 15b show, like Fig. 14, a method of fitting the device as shown in Fig. 5 on a bottle.
  • figs. 16a and 16b show, like Fig. 14, a method of fitting the device as shown in Fig. 4 on a bottle.
  • Figs. 17 and 18 show the elements according to claim 13 and dependent claims, and the arrangement thereof.
  • Figs. 19 and 20 show the apparatus according to claim 33 for making a truncated cone-shaped metal closure device in accordance with this invention in two different operating steps .
  • Fig. 21 is a view of a container, associated to a drinking glass that mates the shape of its bottom.
  • Figs. 22, 23, 24 show a different embodiment of the closure device according to the invention, in which the rigid cup-shaped element is coupled to a drinking glass-like extension that covers the tamperproof sealing ring, and a drinking glass that mates the bottom of the container .
  • Fig. 26 is a sectional view of the perforated cylinder as it holds by vacuum a diaphragm disk to be fitted in the capsule .
  • Fig. 27 shows a cylinder divided into two sectors, that may be spread apart to fit a diaphragm disk in the capsule.

Landscapes

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

Abstract

L'invention concerne une capsule composite et différentes variantes de cette capsule pour la fermeture hermétique de bouteilles et contenants similaires. Ladite capsule comprend essentiellement deux éléments: une capsule rigide (2) et un diaphragme en plastique extensible (2), étiré dans la capsule (2) et intégré à elle. L'invention concerne également divers procédés de réalisation pour cette capsule et des variantes correspondantes. On peut adapter la capsule en une seule étape sur des bouteilles (1) et contenants similaires, en utilisant des dispositifs de fermeture classiques. La capsule peut aussi avoir une extension axiale sous la forme d'un verre destiné à la boisson (30), dont la fonction spécifique est complétée par une fonction de dispositif hermétique inviolable.
PCT/EP2003/050285 2002-07-08 2003-07-03 Capsule composite pour la fermeture de bouteilles et contenants similaires, procedes divers de realisation pour cette capsule et dispositifs de mise en oeuvre des procedes WO2004005151A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP03762691A EP1519881A2 (fr) 2002-07-08 2003-07-03 Capsule composite pour la fermeture de bouteilles et contenants similaires, procedes divers de realisation pour cette capsule et dispositifs de mise en oeuvre des procedes
US10/528,297 US20050269283A1 (en) 2002-07-08 2003-07-03 Container closure wirh sealing element and process and apparatus for making it
AU2003251005A AU2003251005A1 (en) 2002-07-08 2003-07-03 Container closure with sealing element and process and appartus for making it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH20021198/02 2002-07-08
CH11982002 2002-07-08

Publications (2)

Publication Number Publication Date
WO2004005151A2 true WO2004005151A2 (fr) 2004-01-15
WO2004005151A3 WO2004005151A3 (fr) 2004-05-27

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PCT/EP2003/050285 WO2004005151A2 (fr) 2002-07-08 2003-07-03 Capsule composite pour la fermeture de bouteilles et contenants similaires, procedes divers de realisation pour cette capsule et dispositifs de mise en oeuvre des procedes

Country Status (6)

Country Link
US (1) US20050269283A1 (fr)
EP (1) EP1519881A2 (fr)
CN (1) CN1735539A (fr)
AU (1) AU2003251005A1 (fr)
RU (1) RU2326033C2 (fr)
WO (1) WO2004005151A2 (fr)

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WO2007042484A2 (fr) * 2005-10-11 2007-04-19 Ribi Pack S.P.A. Bouchon inviolable pour bouteilles, comprenant une membrane polymere en plastique etirable sur une structure creuse dans une enveloppe rigide preformee
AT12801U1 (de) * 2011-07-19 2012-11-15 Winkler Mark Trinkflasche mit flexibler und hygenischer verschlusslösung
WO2017037164A1 (fr) * 2015-09-03 2017-03-09 Jirko Bannas Verre et ensemble bouteille-verre
CZ307103B6 (cs) * 2016-06-17 2018-01-10 Univerzita Tomáše Bati ve Zlíně Manipulační zařízení pro lahve
CN113943658A (zh) * 2021-11-30 2022-01-18 赛宁(苏州)生物科技有限公司 细胞培养瓶

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EP2445825B1 (fr) * 2009-06-26 2016-06-29 SIDEL S.p.A. con Socio Unico Procédé et machine d'embouteillage de liquide, en particulier pour des liquides gazeux ou des liquides sensibles à l'oxygène
IN2014CN04400A (fr) * 2011-11-18 2015-09-04 Tetra Laval Holdings & Finance
US20130125430A1 (en) * 2011-11-23 2013-05-23 Mia M. Whittemore Identification device and method for containers
AU2015213747B2 (en) 2014-02-07 2019-03-07 Ball Corporation Metallic container with a threaded closure
FR3025505B1 (fr) * 2014-09-05 2019-03-22 Constellium Neuf-Brisach Procede de fabrication de capsules de bouchage metalliques mixtes texturees-lisses
JP7170431B2 (ja) * 2017-09-25 2022-11-14 株式会社東芝 容器および容器における開口部の閉塞方法
CN108083221B (zh) * 2018-01-30 2024-06-21 洛阳理工学院 一种新型的加油枪加油密封装置
WO2020097094A1 (fr) 2018-11-05 2020-05-14 Ball Corporation Récipient métallique à bouchon à vis
JP6616027B1 (ja) * 2019-01-30 2019-12-04 日鉄日新製鋼株式会社 筒状回転部品の製造方法
CA3143701A1 (fr) 2019-06-26 2020-12-30 Ball Corporation Procede et appareil pour sceller un recipient metallique avec une fermeture d'extremite metallique

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US2008802A (en) * 1933-04-24 1935-07-23 Stanek Tool & Mfg Co Apparatus for closing containers
US2465662A (en) * 1944-02-07 1949-03-29 Hugh W Sanford Receptacle closure
GB797771A (en) * 1955-12-16 1958-07-09 Kork N Seal Ltd Improvements in or relating to caps for bottles and like containers
FR1196730A (fr) * 1958-06-07 1959-11-25 Bouchon Couronne Assemblage de joints et capsules destinés au bouchage de bouteilles et autres récipients
FR79742E (fr) * 1958-06-07 1963-01-11 Bouchon Couronne Assemblage de joints et capsules destinés au bouchage de bouteilles et autres récipients
FR1322638A (fr) * 1962-05-17 1963-03-29 Ph Thiollier Et Ses Fils Timbale ou gobelet assurant de plus un bouchage hermétique du flacon ou bouteille
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WO1991018800A1 (fr) * 1990-05-30 1991-12-12 Seong Ho Cho Bouteille pour boissons non alcoolisees
GB2310658A (en) * 1996-02-28 1997-09-03 Chown Peter A C Drinking vessel for a bottle
DE29922619U1 (de) * 1999-08-20 2000-05-04 Kronseder, Hermann, Dr.-Ing.E.h., 93086 Wörth Getränkeflasche mit abnehmbarem Becher und Getränkeflaschen
EP1106521A1 (fr) * 1999-12-01 2001-06-13 KHS Maschinen- und Anlagenbau Aktiengesellschaft Fermeture à vis pour bouteilles
WO2003018419A1 (fr) * 2001-08-27 2003-03-06 Zott Gmbh & Co. Kg Gobelet s'appliquant au-dessus ou au-dessous d'une bouteille a boisson, bouteille a boisson destinee a recevoir un tel gobelet, et combinaison y relative

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007042484A2 (fr) * 2005-10-11 2007-04-19 Ribi Pack S.P.A. Bouchon inviolable pour bouteilles, comprenant une membrane polymere en plastique etirable sur une structure creuse dans une enveloppe rigide preformee
WO2007042484A3 (fr) * 2005-10-11 2007-06-07 Ribi Pack S P A Bouchon inviolable pour bouteilles, comprenant une membrane polymere en plastique etirable sur une structure creuse dans une enveloppe rigide preformee
AT12801U1 (de) * 2011-07-19 2012-11-15 Winkler Mark Trinkflasche mit flexibler und hygenischer verschlusslösung
WO2017037164A1 (fr) * 2015-09-03 2017-03-09 Jirko Bannas Verre et ensemble bouteille-verre
US11174087B2 (en) 2015-09-03 2021-11-16 Jirko Bannas Drinking glass and combination of a beverage bottle and a drinking glass
CZ307103B6 (cs) * 2016-06-17 2018-01-10 Univerzita Tomáše Bati ve Zlíně Manipulační zařízení pro lahve
CN113943658A (zh) * 2021-11-30 2022-01-18 赛宁(苏州)生物科技有限公司 细胞培养瓶

Also Published As

Publication number Publication date
AU2003251005A1 (en) 2004-01-23
WO2004005151A3 (fr) 2004-05-27
AU2003251005A8 (en) 2004-01-23
RU2005103589A (ru) 2006-01-20
CN1735539A (zh) 2006-02-15
RU2326033C2 (ru) 2008-06-10
EP1519881A2 (fr) 2005-04-06
US20050269283A1 (en) 2005-12-08

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