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EP4499523A1 - Fermetures pour produit fluide - Google Patents

Fermetures pour produit fluide

Info

Publication number
EP4499523A1
EP4499523A1 EP23713608.0A EP23713608A EP4499523A1 EP 4499523 A1 EP4499523 A1 EP 4499523A1 EP 23713608 A EP23713608 A EP 23713608A EP 4499523 A1 EP4499523 A1 EP 4499523A1
Authority
EP
European Patent Office
Prior art keywords
base
pressing element
closure
lid
flowable product
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.)
Pending
Application number
EP23713608.0A
Other languages
German (de)
English (en)
Inventor
Graeme Hood
Frederic CHAVE
David Moreno
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.)
Obrist Closures Switzerland GmbH
Original Assignee
Obrist Closures Switzerland GmbH
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
Priority claimed from GBGB2204208.9A external-priority patent/GB202204208D0/en
Priority claimed from GBGB2215186.4A external-priority patent/GB202215186D0/en
Priority claimed from GBGB2215180.7A external-priority patent/GB202215180D0/en
Priority claimed from GBGB2215177.3A external-priority patent/GB202215177D0/en
Application filed by Obrist Closures Switzerland GmbH filed Critical Obrist Closures Switzerland GmbH
Publication of EP4499523A1 publication Critical patent/EP4499523A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/221—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening
    • B65D51/222—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure
    • B65D51/224—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure the outer closure comprising flexible parts
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0025—Upper closure of the 47-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • B65D2251/0096—Membrane integral with the container

Definitions

  • the present disclosure relates to a closure for a flowable product.
  • the closure is configured to be attached to a container, while such container is arranged for storing a fluid or another flowable medium, which can be dispensed through a dispensing passage of the closure.
  • container manufacturers have designed containers having e.g., integral tamper evident features. For example, many containers that are factory packaged are sealed by a tamper evident seal adhesively attached over an opening. These seals may be aluminum foil, cardboard, or plastic membranes.
  • these containers use a detachable ring-pull which serves both as a tamper-evident seal and transport seal.
  • the ring-pull is a detachable element which can easily get lost in the environment contributing to plastic waste.
  • a ring-pull can be difficult for consumers to grab and pull out of the bottle due to its size.
  • this ring-pull can become difficult to remove and, in some cases, requires the use of a tool to pierce it.
  • the containers may also comprise liners or seals which are activated by pushing a feature on the closure that breaks an independent seal or bottle liner, not manufactured in the closure.
  • liners or seals are generally welded to the bottle at the filling location, causing potential problems if not welded correctly, despite have the closure fully applied.
  • Examples of the present disclosure seek to at least partially reduce one or more of the aforementioned problems.
  • a closure for a flowable product comprises a base and a lid, the base and the lid being joint together by a hinge such that the lid is movable between an open position and a closed position and the base extends longitudinally from a first end to a second end.
  • the base comprises a flowable product dispensing passage along the longitudinal length of the base extending from the first end to the second end of the base.
  • the base further comprises a sealing element configured to be coupled within the dispensing passage of the base such that the dispensing passage is sealed and the flowable product cannot pass through the dispensing passage.
  • the base further comprises a pressing element configured to be pressed and displaced between a first operational position and a second operational position such that when the pressing element is at the first operational position the pressing element does not contact with the sealing element and the flowable product cannot pass through the dispensing passage, and when the pressing element is at the second operational position, the pressing element contacts and breaks the sealing element and the flowable product can pass through the dispensing passage.
  • a closure which is designed to avoid flowable product leakage during transport, or handling e.g., on large volume containers is provided.
  • the closure is further design to avoid that contamination passes through the closure and contaminates the flowable product, stored in a container, to which the closure, in use, may be attached.
  • the closure comprises a (protective) sealing element configured to be coupled within the dispensing passage of the base of the closure such that the dispensing passage is sealed and the flowable product cannot be dispensed via the dispensing passage and pollution cannot pass through the dispensing passage towards the flowable product stored e.g., in a container to which, in use, the closure may be attached.
  • the pressing element may be displaced between a first operational position and a second operational position.
  • the pressing elements When the pressing element is at the second operation position, the pressing elements is configured to contact and break the seal.
  • the flowable product can pass through the dispensing passage and can be dispensed via the dispensing passage.
  • a push open sealing element is easier to use and more convenient than the current tear-off ring membranes which are in the market.
  • the pressing element comprises an annular outer collar, a central hub and a plurality of spokes extending from the collar to the central hub. Moreover, a plurality of through-holes are defined between corresponding spokes. The through-holes, the spokes, the central hub and the annular outer collar are arranged to control the flux of flowable product when flowing through the dispensing passage such that the gurgling of the flowable product is at least partially reduced.
  • the pressing element may comprise the function of breaking the seal in a very convenient way and, at the same time, the protective seal may comprise an anti-glug function such that the flowable product is dispensed in a controlled way i.e. , without gurgling.
  • the base, the lid and the seal are made of the same material e.g., polyolefin. The recyclability of the closure may thus be improved.
  • the sealing element is a stretched film and the stretched film is configured to break and retract without any material separation upon contact of the pressing element with the sealing element.
  • the sealing element when the sealing element is broken, the sealing element does not create any dust or lose parts that could enter into a container, to which the base of the closure may be attached (in use), and pollute the flowable product which may be stored within the container.
  • the stretched material is characterized by the fact that it may be broken and retracted without any material separation.
  • kits for containing and dispensing a flowable product comprises a container comprising an interior space for housing the flowable product and a filling and dispensing spout. Kits may further comprise a container according to first aspect, wherein the base of the closure is configured to be attached to the filling and dispensing spout of the container.
  • kits may be packaged as a unit in a packaging.
  • Figure 1 schematically illustrates a perspective view of an example of a closure in an open configuration
  • Figure 2 schematically illustrates another perspective view of the closure shown in figure 1 ;
  • Figure 3 schematically illustrates an example of a sealing element forming part of the closure shown in figure 1 and figure 2;
  • Figure 4 schematically illustrates a cross-sectional view of the closure of figure 1 and figure 2,
  • Figure 5 schematically illustrates a cross sectional view of part of the closure in a closed configuration
  • Figure 6 schematically illustrates a cross sectional view of part of the closure in an open configuration
  • Figure 7 schematically illustrates a cross-sectional view of another closure in a closed configuration
  • Figure 8 schematically illustrates a cross-sectional view of the closure described with reference to figure 7, in an open configuration
  • Figure 9 schematically illustrates a top view of the closure described with reference to figure 7 and figure 8.
  • Figure 1 schematically illustrates a perspective view of an example of a closure in an open configuration.
  • Figure 2 schematically illustrates another perspective view of the closure shown in figure 1.
  • the closure 10 may comprise a base 15 and a lid 20.
  • the base 15 in this example is a substantially circular base.
  • the base 15 and the lid 20 may be connected by a hinge 25 situated at a "back part" of the closure 1. This way, the lid 20 may be displaced between an “open” position and a “closed” position with respect to the base 15.
  • the closure may be an edible oil flip-top-closure i.e. , the flowable product, which is intended to be stored, in a container to which the closure (as hereinafter and hereinbefore described) may be connected, is edible oil.
  • the closure 10 may be applied to other applications: for example, closures for use in conjunction with products that require a high-level tamper evident or transport seal. For example, such products may be baby food products, energy drinks products, pharma products, CRC, Sauces and so forth.
  • the closure 10 may be a one-piece closure i.e., it may be manufactured as a single piece and can be made of a single material.
  • a one-piece mono material solution is light-weight and fully recyclable with current recycling processes.
  • the size of the base 15 (and the corresponding lid 20) may be adjusted in accordance with its objective and can thus be varied for different flowable products applications.
  • the base 15 extends longitudinally between a first end 15a and a second end 15b.
  • the base 15 comprises a dispensing channel 15c along the longitudinal length of the base 15 between the first end 15a and the second end 15b.
  • the dispensing channel 15c is suitable to dispense a flowable medium previously stored in a container to which the closure, in use, is attached.
  • the base 15 includes a generally cylindrical sidewall 16 and an annular top platform 17. In the center of the platform 17, a cylindrical dispensing spout 30 is provided.
  • the cylindrical dispensing spout 30 extends from a first end 30a to a second end 30b.
  • the first end 30a comprises a circumferential pouring rim 33.
  • slots 19a, 19b, 19c are provided in the “front part’ of the closure 10 (opposite to the above-commented “back part” and thus opposite to the hinge 25).
  • the slots form female coupling elements and are adapted to receive and mate with further connectors or male coupling elements located e.g., in the lid, as will be explained later on.
  • the base may comprise a (guarantee) sealing element 40 e.g., a sealing membrane.
  • a sealing element 40 e.g., a sealing membrane.
  • the seal may be situated within the dispensing channel and thus a seal can be defined such that flowable liquid cannot pass through the closure 10.
  • the sealing element 40 in this example is substantially circularshaped.
  • the seal 40 may comprise a substantially circular inner wall 40a, an annular top platform 40b and a substantially circular outer rim 40c.
  • the substantially circular inner wall 40a may be of substantially constant height as shown in this example.
  • the inner sidewall may comprise portions and the portions may be of varying height.
  • the seal 40 further comprises a bottom surface 40d.
  • the annular top platform 40b and I or the outer rim 40c may act as a coupling surfaces for attaching the sealing membrane within the dispensing channel of the base, as will be described later on.
  • the substantially circular inner wall 40a may be arranged radially inwardly (i.e., closer to a geometric centre of the sealing element 40) with respect to the circular outer rim 40b. As also shown in this example, the height of the circular inner wall 40a with respect to a top edge of the circular inner wall 40a is larger than the height of the outer rim 40c.
  • the substantially circular inner wall 40a may extend substantially perpendicularly to a plane defined by the bottom surface 40d. Moreover, the dimensions of the sealing element 40 are chosen such that the sealing element 40 may be coupled to the dispensing channel of the base 15 of the closure 10 in a suitable way i.e., sealing the dispensing channel in a suitable way.
  • the sealing element 40 is configured to sealingly couple with an inner portion of the dispensing passage of the base 15. A seal is thus formed within the dispensing channel. Therefore, when the closure is connected to a container, the closure defines a sealing such that the flowable product e.g., edible oil contained in a sealed container space, is carried out in substantially aseptic conditions, i.e., avoiding external contaminations, particularly during transport from one point to another point.
  • the flowable product e.g., edible oil contained in a sealed container space
  • the circular inner wall 40a and I or the rim 40c may be welded or be mechanically attached to an inner portion of the dispensing channel.
  • the seal may be welded or mechanically attached to a lower portion of a pressing element forming part of the closure 10, as will be explained later on. In any event, this may require an external process to assemble the seal 40 to the dispensing channel 15c of the base 15 of the closure 10.
  • the seal 40 may be inserted inside the mould to be attached to the base 15 of the closure 20, thus avoiding any additional industrial process.
  • the sealing element 40 may be formed of any suitable material e.g., polyethylene or polyolefin.
  • the base 15 and the lid 20 of the closure 10 may be formed of the same material as the seal 40 e.g., polyethylene or polyolefin.
  • the seal 40 may be produced using the same material as the base 15 and the lid 20 of the closure 10. The recyclability of the closure may thus be improved.
  • the seal 40 may be e.g., thinner than 100 microns.
  • the seal may be e.g., a membrane and/or a film made of a stretched material configured to be retracted, after puncturing the membrane as will be explained later on, without any material separation.
  • the sealing element 40 may remain connected to the closure, after the seal is punctured as will be described later on, thus improving the recyclability of the closure.
  • the sealing element 40 guarantees the security of a flowable product which may be situated in a liquid container (not shown) to which the closure is attached, under extreme transport conditions.
  • the base 15 further comprises a pressing element 50.
  • the pressing element 50 may comprise an annular outer collar 50a and a central hub 50b.
  • four spokes 50c extend from the collar 50a. to the central hub 50b although a different number of spokes may be provided.
  • a distal end 50a of the spokes and I or the outer collar 50a may act as a coupling surface and it may be attached to an inner portion of the dispensing passage 15c.
  • Four through-holes 50d may be formed between corresponding spokes.
  • an anti-gurgling function may be achieved by the pressing element which provides a controlled pouring of a flowable product which may be situated in a liquid container (not shown) to which the closure is attached.
  • the annular top platform 40b of the sealing element 40 may act as a coupling surface for assembling or attaching the sealing element to a lower portion of the annular outer collar 50a of the pressing element 50 (forming part of the base of the closure).
  • the rim of the sealing element may also act as a coupling surface for attaching the seal to an inner portion of the dispensing passage.
  • the sealing element may thus be attached to the dispensing passage and I or to the pressing element and it may be situated underneath the pressing element.
  • a sealing is defined within the dispensing passage such that a flowable product cannot pass through such dispensing passage.
  • one or more cutting elements 50d may be provided at a lower side of the central hub 50b of the pressing element 50.
  • the central hub 50b of the pressing element 50 may be pressed (and thus displaced in the direction of the arrow (arrow A)), with respect to the sealing membrane, such that the central hub (and thus the cutting elements 50d) is displaced from a operational first position, in which the pressing element (and thus the cutting element 50d) does not interact with the seal and the flowable product cannot pass through the dispensing channel 15c, to a second operational position in which the pressing element (and thus the cutting element 50d) contacts and breaks the sealing element 40 (this second operational position is not shown in figure 4).
  • the sealing element 40 may be broken and retracted without any material separation (particularly due to the fact that e.g., the membrane may be made of a stretched material configured to be retracted, after puncturing, without any material separation).
  • a user can easily break the sealing membrane, which seals the pouring passage of the closure, by simply pushing on a very convenient activation system. It is noted that the push-open system as hereinbefore described is easier and more convenient than the known tear-off ring membranes. It is further noted that the seal does not create any dust or loses any part that could enter into the flowable fluid container, during separation.
  • the lid 20 may comprise an outer substantially circular sidewall 70 and an inner substantially circular wall 71.
  • the lid may comprise a recess 72 in between sidewalls 70, 71.
  • the lid 20 is configured to be coupled to the base 15, thus before first opening the closure, the lid 20 closes off the top of the base 15.
  • the inner substantially circular sidewall 71 is arranged radially inwardly (i.e., closer to a geometric centre of the lid 20) with respect to the outer substantially circular sidewall 70.
  • the inner substantially circular sidewall 71 may be of constant height along its perimeter, as shown in this example.
  • the outer substantially circular sidewall 71 may be of a variable height along its perimeter, as also shown in this example. In examples, the height of the inner substantially circular sidewall 71 may be different from the height of the outer substantially circular sidewall 70.
  • the outer substantially circular sidewall 70 may comprise three arcuated spaced apart connectors 70a, 70b, 70c which extend substantially perpendicularly to a plane defined by the base of the cap.
  • the connectors form male coupling members that are configured to mate with the three arcuated slots 19a, 19b, 19c i.e., with female coupling members located in the base 15 of the closure.
  • a snap fit may be used.
  • the slot 19b form a sealing clip configured to snap fit over the male connector 70b on the base of the closure.
  • the shape and size of the slot 19b may vary depending on the shape and size of the connector 70b located e.g., in lid to be attached to the base.
  • the lid 20 may be releasably joined to the base 15 using e.g., a snap fit locking mechanism.
  • the first connector 70a may be provided in the form of a first tamper evident element and the third connector 70c may also be provided in the form of a second tamper- evident element.
  • the tamper evident elements 70a, 70c may be placed right and left respectively of a front part of the lid (opposite to the back part of the lid wherein the hinge is located).
  • the tamper evident elements may be placed right and left from an Y axis if the Y axis is situated between the front part of the lid and the back part of the lid wherein the hinge is situated.
  • the first tamper evident tab 70a is frangibly connected to the lid 20.
  • the first tamper evident tab 70a comprises a lower element 130 including a projection 133 on its lower radially outward side.
  • the lid is moulded in the open position.
  • When the lid is initially closed at least part of a lower element 130 passes through an opening in the annular top platform of the base partially into a void or pocket 131 provided in the base 15.
  • the projection 133 engages underneath the annular top platform 17 of the base 15.
  • the projection 133 is formed such that it allows the tamper-evident tab to pass through the opening in the top surface 17 but will not allow it to be removed.
  • Frangible bridges 132 are provided which connect the first tamper evident tab 70a to the lid 20.
  • the tamper evident elements 70a, 70c are visible prior to first opening of the closure in use. It is noted that two tamper evident are much visible than only a single tamper evident member. However, upon first opening of the closure the tamper evident tabs become at least partially hidden from view which indicates that the closure has been opened at least once.
  • the tamper-evident elements 70a, 70c may comprise marks, wherein the marks are adapted to be visible when the lid is in a closed position and the marks are not visible when the tamper evident elements are displaced into the corresponding recess after the lid is opened for the first time. For example, in the closed position the tamper evident elements may read “closed”. After the closure is opened for the first time (when the tamper evident elements have fallen into the corresponding pocket), the gap may read “open”,
  • the lid 20 may comprise a grip (not shown) located e.g., at the outer part of the outer sidewall of the lid, thus the attachment, opening and manipulation of the lid 20 may be improved.
  • the grip may be shaped so that it may be easily held between the fingers of a user.
  • the grip may also be formed by a certain surface roughness, optionally provided by a coating. With this arrangement, the lid 20 may be efficiently manipulated and used with great accuracy. Particularly, the lid 20 may be easily attached and manipulated with respect to the base 15.
  • closure may be designed to avoid product leakage during transport, or handling, on large volume containers. These containers may expose their seals to high internal pressure or very low pressure by the large volume of liquid in the container in the event of a shock during transportation or in over boxing shipments under extreme conditions.
  • Figure 7 schematically illustrates a cross sectional view of another example of a closure 80 in a closed configuration.
  • Figure 8 schematically illustrates a cross sectional view of the closure 80 shown in figure 7 but in in an open configuration.
  • the closure 1 shown in figures 7 - 9 differs from the closure shown in figures 1 - 6 only in that a different pressing element and a different sealing element are provided.
  • the structure and operation of the remaining components of the closure may substantially be the same as hereinbefore described.
  • the pressing element 80 in this example is substantially circular-shaped.
  • the pressing element may be e.g., a polyethylene injected element.
  • the pressing element may comprise a profile defined including an first slope 81 comprising a continuous increase of the height of the pressing element 80 from an initial height 83 to a maximum height 82 during a first part of the diameter of the pressing element, and a second slope comprising a continuous decrease of the height of the pressing element 80 from the maximum height 82 to a final height 84 during a second part of the diameter of the pressing element.
  • the pressing element 80 comprises a generally cylindrical side wall 92 configured to be connected to an inner portion of the dispensing passage (forming part of the base of the closure) by a plurality of frangible bridges 90.
  • the pressing element 80 and the base of the closure may be connected by a hinge 87 situated at a “back part” of the dispensing passage 15c (and thus at a back part of the closure 10).
  • the hinge 87 defines a support axis about which the pressing element 80 may pivot.
  • the pressing element may be frangibly connected to the base via the frangible bridges 90, and the frangible connection(s) may be breakable upon pressing the pressing element.
  • the pressing element 80 When the closure is in its as-moulded condition (i.e., it is moulded in a closed configuration), the pressing element 80 is attached to the inner part of the dispensing channel via the frangible elements 90. In this manner, when the pressing element 80 is initially closed it cannot be opened without breaking the frangible connections 90.
  • the closure further comprises a sealing element 120 e.g., a sealing membrane.
  • the sealing element 120 in this example is substantially circular-shaped.
  • the sealing element 120 may be made of polyethylene, and it may be welded to the dispensing passage of the base and it may be situated underneath the pressing element.
  • the sealing element 120 comprises substantially circular inner wall 121.
  • the circular inner wall 121 may be arranged with respect to a bottom inner surface of the sealing membrane at an angle of approximately 90 degrees.
  • the base comprises a recess 122 in between the flanges 123a, 123b.
  • the recess 122 forms a female coupling member and is adapted to receive and mate with circular inner wall 121 acting as a male coupling element.
  • the sealing element 120 is attached within the dispensing passage of the base and a liquid cannot pass through the dispensing passage.
  • the closure may comprise a stop notch to prevent the pressing element 80 from moving, once the pressing element is in the second operational position, during the dispense of the flowable product.
  • the stop notch is configured to lock the pressing element in a position at or near the second operation position of the pressing element such that the pressing element remains in position and does not interfere with the flowable medium following via the dispensing passage of the closure.
  • the membrane is partially broken.
  • a portion of the sidewall of the membrane remains connected to the recess situated between the flanges of the cover.
  • this portion of the sidewall which acts as hinge 87 defines a support axis about which the membrane may pivot (see figure 8).
  • the membrane is broken as hereinbefore described.
  • the closure of this example is based on a two-piece closure (base and lid) plus a seal i.e., three components in total.

Landscapes

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

Abstract

L'invention concerne une fermeture pour produit fluide. La fermeture comprend une base (15) et un couvercle (20). La base comprend un passage de distribution (30) de produit fluide le long de la longueur longitudinale de la base s'étendant depuis une première extrémité de la base vers une seconde extrémité de la base. La base comprend en outre un élément d'étanchéité (40) conçu pour être accouplé à l'intérieur du passage de distribution de la base de sorte que le passage de distribution est scellé et que le produit fluide ne peut pas passer à travers le passage de distribution. Additionnellement, la base comprend un élément de compression (50) conçu pour être comprimé et déplacé entre une première position fonctionnelle et une seconde position fonctionnelle de sorte que lorsque l'élément de compression se trouve au niveau de la première position fonctionnelle, l'élément de compression n'entre pas en contact avec l'élément d'étanchéité (40) et le produit fluide ne peut pas passer à travers le passage de distribution, et lorsque l'élément de compression se trouve au niveau de la seconde position fonctionnelle, l'élément de compression entre en contact et brise l'élément d'étanchéité (40) et le produit fluide peut passer à travers le passage de distribution.
EP23713608.0A 2022-03-24 2023-03-19 Fermetures pour produit fluide Pending EP4499523A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB2204208.9A GB202204208D0 (en) 2022-03-24 2022-03-24 Improvements in or relating to closures
GBGB2215186.4A GB202215186D0 (en) 2022-10-14 2022-10-14 Improvements in or related to closures
GBGB2215180.7A GB202215180D0 (en) 2022-10-14 2022-10-14 Improvements in or relating to closures
GBGB2215177.3A GB202215177D0 (en) 2022-10-14 2022-10-14 Improvements in or relating to closures
PCT/EP2023/056978 WO2023180215A1 (fr) 2022-03-24 2023-03-19 Fermetures pour produit fluide

Publications (1)

Publication Number Publication Date
EP4499523A1 true EP4499523A1 (fr) 2025-02-05

Family

ID=85776018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23713608.0A Pending EP4499523A1 (fr) 2022-03-24 2023-03-19 Fermetures pour produit fluide

Country Status (2)

Country Link
EP (1) EP4499523A1 (fr)
WO (1) WO2023180215A1 (fr)

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US20040007587A1 (en) * 2002-07-09 2004-01-15 Westphal Scott K. Membrane piercing closure
EA010357B1 (ru) * 2004-12-09 2008-08-29 Хее Квон Рхо Крышка емкости и система для ее изготовления
WO2007081663A2 (fr) * 2006-01-06 2007-07-19 Berry Plastics Corporation Fermeture de contenant avec poinçon pour percer une membrane
ES2273607B1 (es) * 2006-05-26 2008-02-16 Grup Vemsa 1857 S.L. Cierre para un recipiente del tipo que presenta una boca de suministro sellada inicialmente de forma hermetica por una lamina rasgable.
WO2015009171A1 (fr) * 2013-07-18 2015-01-22 Sji Limited Fermeture de récipient

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