EP4424610B1 - Verschluss für einen behälter - Google Patents

Verschluss für einen behälter

Info

Publication number
EP4424610B1
EP4424610B1 EP23159480.5A EP23159480A EP4424610B1 EP 4424610 B1 EP4424610 B1 EP 4424610B1 EP 23159480 A EP23159480 A EP 23159480A EP 4424610 B1 EP4424610 B1 EP 4424610B1
Authority
EP
European Patent Office
Prior art keywords
line
incision
closure
line segments
incision line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23159480.5A
Other languages
English (en)
French (fr)
Other versions
EP4424610A1 (de
Inventor
Michael Maguire
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.)
ThisCap Inc
Original Assignee
ThisCap Inc
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 to EP23159480.5A priority Critical patent/EP4424610B1/de
Application filed by ThisCap Inc filed Critical ThisCap Inc
Priority to LTEP23159480.5T priority patent/LT4424610T/lt
Priority to ES23159480T priority patent/ES3058177T3/es
Priority to EP24709197.8A priority patent/EP4673379A1/de
Priority to KR1020257031782A priority patent/KR20250155571A/ko
Priority to CN202480027304.9A priority patent/CN120981402A/zh
Priority to JP2025550611A priority patent/JP2026508862A/ja
Priority to AU2024230461A priority patent/AU2024230461A1/en
Priority to PCT/IB2024/051986 priority patent/WO2024180516A1/en
Publication of EP4424610A1 publication Critical patent/EP4424610A1/de
Priority to MX2025010286A priority patent/MX2025010286A/es
Application granted granted Critical
Publication of EP4424610B1 publication Critical patent/EP4424610B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/16—Devices preventing loss of removable closure members
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/20—Frangible elements completely enclosed in closure skirt

Definitions

  • the present invention relates to a closure for a container. More specifically, the present invention relates to a closure that remains attached to the container after opening.
  • WO 2021/021095 A1 shows a plastic closure designed to remain attached to the container after opening.
  • the closure is made in one piece and comprises a lid and a safety ring projecting from the lid.
  • the safety ring is permanently connected to the lid by a first tether and a second tether.
  • a first incision line and a second incision line delineate the safety ring and the tethers.
  • Frangible bridges are provided along the first and second incision lines and designed to break when the lid is removed from the container for opening.
  • WO 2021/116468 A1 shows another tethered closure including two separation lines which delineate together two tethers between an annular skirt of the main body of the closure and a safety ring. Each of the separation lines is provided with frangible bridges in the region of the tethers, which are broken when the annular skirt is moved relative to the safety ring.
  • US 11 332 290 B2 discloses a cap according to the preamble of claim 1.
  • the closure can be maintained in an arrangement to the finish of the container, herein called “hold-open” arrangement, such that both pouring or drinking from the container is not affected by the closure kept attached to the container.
  • the closure can be moved into a hold-open open arrangement in which the closure is kept lateral to the finish of the container with the open end of the closure oriented into the same direction as the finish of the container.
  • a tethered closure for a container is provided.
  • a "container" as addressed herein to be used with the herein described closure may be, for example, without being restricted to, a bottle, flask, jug, jar, tube, or can.
  • the container is for storage of a fluid, for example, a drinkable fluid such as beverages, e.g., soft drinks or water, but not restricted thereto.
  • beverages may be stored in the container under pressure, as in the case of sparkling beverages, or basically pressureless, as in the case of still beverages.
  • Another example may be a container for petrochemical fluids such as motor oil, but not restricted thereto.
  • a fluid is considered any material that may flow; thus, a material like fine sand may be a fluid as well.
  • the part of the container to which the closure is usually applied is called the finish.
  • the finish is the opening or orifice of the container from which the fluid can be poured out or through which it can be filled in at first.
  • the finish is typically located at the container neck.
  • the container neck can be provided with either continuous outer threads or lugs configured for cooperation with a corresponding inner thread of a screw closure that by means of the threaded connection can be screwed on and off.
  • the neck of the container has typically an annular bead, annular bulge, annular edge or annular cantilevered tongue configured to engage hook means on the safety ring inside the closure when the closure is screwed onto the finish of the container the first time.
  • a "closure” as addressed herein is to be understood as a device used to close or seal the finish of the container.
  • the closure described herein may also be called a cap or lid.
  • a screw closure is a mechanical device which is typically screwed on and off of a corresponding threaded finish at the associated container. To this effect, the closure can be provided with either continuous inner threads or lugs.
  • the closure is a one-piece-body screw closure with internal threads or lugs configured to be screwed on the container finish provided with corresponding external threads or lugs configured to match with the internal threads or lugs of the screw closure.
  • the closure has hook means at the safety ring inside the closure which hook means are configured to engage with a corresponding annular bead, annular bulge, annular edge or annular cantilevered tongue at the neck of the container when the closure is the first time screwed onto the container finish.
  • the herein addressed closure is made as a one-piece-body of molded polymer.
  • the closure consists of a one-piece body.
  • the one-piece body comprises an annular sidewall.
  • the annular sidewall comprises an annular skirt, a safety ring, as well as a first tether and a second tether.
  • the "safety ring" addressed herein may also be called a tamper-evident ring or security ring; alternatively, the ring may be called a band.
  • the safety ring is to serve as a tamper resistant or tamper evident function to the closure.
  • the safety ring provides a tamper warning: if the connection in form of frangible bridges between the safety ring and the annular skirt are broken, an indication is provided that the closure has been opened.
  • the frangible bridges are preferably designed as to be clearly visible in their broken state after the closure has been opened for the first time. Thus, even if re-closed the broken bridges provide a clear indication of the first opening of the closure.
  • the first tether and the second tether are permanently connecting the annular skirt to the safety ring.
  • the safety ring defines a reference axis of the one-piece body.
  • the one-piece body has a first incision line and a second incision line, which do not converge with one another.
  • Do not converge in the context of the first incision line and the second incision line means that the first incision line and the second incision line are not connected to each other, do not cross each other, i.e., do not overlap each other in a radial direction with respect to the reference axis.
  • This definition is clearly to be distinguished from any other definition herein based on the orthogonal projection in a given projection direction.
  • “Incision line” addressed herein, particularly in the context of the first incision line and the second incision line, means a line that is the result of an incising process, such as a cutting process by means of an correspondingly configured incision means, such as a blade or a cutting edge.
  • an incising process such as a cutting process by means of an correspondingly configured incision means, such as a blade or a cutting edge.
  • lines comprised in a closure which lines are produced during a molding process of the closure. It will be appreciated that albeit a line may be cut such that the resulting width may be similar to a molded line, a incised line is usually much thinner than it can be produced by an injection molding process.
  • the orthogonal projections, in the direction of the reference axis, of one or more first line segments of the first incision line and of one or more first line segments of the second incision line at least partly overlap, whereby the one or more first line segments of the first incision line and the one or more first line segments of the second incision line define the first tether.
  • the orthogonal projections, in the direction of the reference axis, of one or more second line segments of the first incision line and of one or more second line segments of the second incision line at least partly overlap, whereby the one or more line second segments of the first incision line and the one or more second line segments of the second incision line define the second tether.
  • the one or more first line segments of the first incision line run parallel in a circumferential direction of the closure to the one or more first line segments of the second incision line. Further, the one or more second line segments of the first incision line run parallel in a circumferential direction of the closure to the one or more second line segments of the second incision line.
  • the one or more first line segments of the first incision line do not belong to the one or more second line segments of the first incision line. Also, the one or more first line segments of the second incision line do not belong to the one or more second line segments of the second incision line.
  • a respective one of the one or more first line segments of the first incision line and the second incision line, respectively, defines a first (terminal) end of the corresponding incision line.
  • a respective one of the one or more second line segments of the first incision line and the second incision line, respectively, defines a second (terminal) end of the corresponding incision line.
  • the length of the tethers is preferably chosen to enable a flipping movement of the annular skirt relative to the safety. Thereby, the closure can be moved away from the finish of the container and, if desired, into the hold-open position or arrangement.
  • the first incision line has one or more first intermediate line segments.
  • the one or more first intermediate line segments do not belong to the first line segments and the second line segments of the first incision line.
  • the orthogonal projections, in the direction of the reference axis, of the one or more first intermediate line segments and of the second incision line do not overlap.
  • the second incision line has one or more second intermediate line segments.
  • the one or more second intermediate line segments do not belong to the first or second line segments of the second incision line.
  • the orthogonal projections, in the direction of the reference axis, of the one or more second intermediate line segments and of the first incision line do not overlap.
  • the one or more first intermediate line segments of the first incision line have one or more first frangible bridges between the annular skirt and the safety ring.
  • the one or more second intermediate line segments of the second incision line include one or more second frangible bridges between the annular skirt and the safety ring.
  • the annular skirt is provided with inner threads or lugs defining an unscrewing direction of rotation about the reference axis.
  • the unscrewing direction is directed into one of the two circumferential directions (i.e., clock-wise and counter clock-wise) defined by the annular skirt.
  • Both the first tether and the second tether extends from a respective first connection area with the safety ring, into the unscrewing direction, to a respective second connection area with the annular skirt.
  • the safety ring When the closure is unscrewed from the finish of the container for the first time, the safety ring is prevented from following the upward motion of the annular skirt, so that the frangible bridges break by tensile force.
  • the first and second tethers defined in the annular sidewall by means of the first incision line and the second incision line are unfolded in the direction of the reference axis.
  • the unscrewing operation of the closure results into controlled unfolding of the tethers.
  • the tethers are subject to a pulling force in their longitudinal direction, i.e., not to subject to a compressing or heading force.
  • both the first and second tethers are subject, in their longitudinal direction, to a pulling force of the closure regarding the safety ring.
  • the tethers are not subject to compression or heading during the first unfolding of the tethers.
  • the frangible bridges directly link the annular skirt to the safety ring, which are both rigid portions of the body. This ensures a controlled breaking of the frangible bridges when the annular skirt is moved away from the safety ring during unscrewing the closure from the finish of the container.
  • the frangible bridges are distributed along both the first and the second incision lines, i.e., more evenly around the perimeter of the annular sidewall than if only the first incision line were provided with frangible bridges. This ensures that no part of the annular skirt or safety ring protrudes outwardly when the closure is assembled on the finish of the container.
  • the frangible bridges are located in intermediate regions of the first incision line and the second incision line, at a distance from the first tether and the second tether. This ensures that the frangible bridges do not impede the unfolding of the tethers during the opening.
  • first and second line segments of the first incision line and of the second incision line may extend right through the annular sidewall without frangible bridges.
  • the one or more second frangible bridges of the one or more second intermediate line segment of the second incision line preferably may have a width or widths that is/are smaller than the width or widths of the one or more first frangible bridges of the one or more first intermediate line segments of the first incision line.
  • each of the first and second line segments of the first incision line and the second incision line lies in an associated reference plane perpendicular to the reference axis. This makes it possible to cut the line segments with blades which extend perpendicularly to the reference axis and are less subject to stress and wear.
  • each of the first and second intermediate line segments of the first incision line and the second incision line lies in an associated reference plane perpendicular to the reference axis.
  • most of the one or more first intermediate line segments of the first incision line are located in a common first reference plane perpendicular to the reference axis.
  • the first reference plane defines a main separation plane between the annular skirt and the safety ring.
  • at least one of the second intermediate line segments of the second incision line lies in a second reference plane perpendicular to the reference axis, located at a distance from the first reference plane.
  • the first incision line may extend over an angle greater than 180° and less than 270° in the circumferential direction about the reference axis from a first end of the first incision line to a second end of the first incision line.
  • the orthogonal projections, in the direction of the reference axis, of the one or more first line segments of the first incision line and the second incision line can overlap each other over an angle of more than 5°, preferably more than 10°, and less than 60°, preferably less than 30°, about the reference axis.
  • the orthogonal projections, in the direction of the reference axis, of the one or more second line segments of the first incision line and the second incision line can overlap each other over an angle of more than 5°, preferably more than 10° and less than 60°, preferably less than 30° about the reference axis.
  • the fore-going described overlaps of the orthogonal projections, in the direction of the reference axis, of the one or more first line segments of the first incision line and the second incision line and the fore-going described overlaps of the orthogonal projections, in the direction of the reference axis, of the one or more second line segments of the first incision line with the second incision line are the same.
  • the one or more second intermediate line segments of the second incision line can extend over an angle of more than 30° and less than 90° about the reference axis.
  • the second incision line can extend over an angle less than 180° in the circumferential direction about the reference axis from a first end of the second incision line to a second end of the second incision line.
  • the safety ring can be provided with at least one first tab protruding towards the annular skirt, and the annular skirt can be provided with at least one second tab protruding towards the safety ring.
  • At least one of the first and second tabs is defined by one or more third line segments of the one or more second intermediate line segments of the second incision line.
  • the one or more third line segments of the one or more second intermediate line segments of the second incision line includes at least one of the one or more second frangible bridges.
  • Each frangible bridge ensures that once the closure is assembled on the finish of the container, i.e., in the closed position, the associated tab may be hindered from protruding radially outwards. In some instances, one frangible bridge on one of the two tabs may be sufficient.
  • the third line segments of the one or more second intermediate line segments of the second incision line are configured so that the tabs have side edges running angular with respect to the reference axis, but it should be noted that it is also possible that the side edges run parallel to the reference axis.
  • At least some, and preferably all, of the line segments of the first and second line segments and/or of the first and the second intermediate line segments of the first and/or the second incision lines have adjoining incision side walls.
  • the one-piece body further comprises a top wall, from which the annular skirt projects to form a lid or cap of the closure.
  • the tethered connection through the first tether and the second tether functions as a main hinge to open and close the lid or cap.
  • the annular sidewall is part of a base of the closure, which further comprises a lid hinged to the base.
  • Access to the contents of the container through the finish is usually gained by opening the cap or lid by the hinge. More exceptionally, for example, if the container is to be completely emptied, access to the contents of the container through the finish is gained by separating the annular skirt from the safety ring which, however, are still connected to each other by means of the first and second tethers.
  • the cap or lid and the base are parts of the one-piece body.
  • the safety ring is preferably provided with hook-shape resilient portions projecting towards the reference axis.
  • This is a structural implementation example for hook means.
  • the hook means inside the closure engage with corresponding annular retention means at the neck of the container.
  • the annular retention means may be an annular retention bead, bulge, edge, or cantilevering tongue.
  • resilient hook-shaped portions may snap under an annular retention bead formed on the neck of the container to prevent the safety ring from being torn off.
  • annular retention means at the neck of the container and the hook means of the safety ring implement the tamper-evidence function of the safety ring.
  • each of the first incision line and the second incision line may be a broken line which consists of a series of consecutive line segments, portions of each lying in an associated blade plane.
  • Such broken incision lines are obtained by incising or cutting the sidewall of the closure with incision or cutting means, such as correspondingly configured blades with blade segments, which hat are essentially flat and therefore much easier to manufacture than curved incision or cutting means, e.g. curved blades.
  • the incision lines are obtained by a cutting process with incision or cutting means, such as blades, that preferably do not remove material from the closure.
  • incision or cutting means such as blades
  • at least some, and preferably all, of the line segments of the first and second line segments and/or of the first and the second intermediate line segments of the first incision line and/or second incision line have adjoining incision side walls. Adjoining incision side walls contribute to the sealing of the closure.
  • the separately discussed features of the closure can be combined within an implementation of the closure as needed if not otherwise described as incompatible.
  • a first embodiment of a closure 1 for a container consists of a one-piece body 2 comprising a top wall 4 and an annular sidewall 6, which projects from a periphery of the top wall 4 in an axial direction parallel to a reference axis A of the closure 1.
  • the annular sidewall 6 forms a safety ring 8 at its free end axially opposed to the top wall 4, an annular skirt 10 between the top wall 4 and the safety ring 8 as well as a first tether 12 and a second tether 14 for permanently connecting the annular skirt 10 to the safety ring 8.
  • the top wall 4 and annular skirt 10 form a cap or lid 16 of the closure 1.
  • the annular skirt 10 is provided with an inner thread 18 depicted in Figure 3 , which defines the unscrewing direction LR of rotation about the reference axis A.
  • the unscrewing direction LR of rotation corresponds also in the shown embodiment to the counter clock-wise circumferential direction CD of the closure 1.
  • the circumferential direction CD of the closure 1 is defined by the perimeter of the annular skirt 10.
  • the safety ring 8 is provided with one or more hook-shaped resilient portions 20 as hook means projecting radially towards the reference axis A configured to snap under a corresponding annular bead, edge or cantilevering tongue as retention means at a container neck to secure the closure 1 to the container.
  • the first and second tethers 12, 14 and the safety ring 8 are defined or delineated by a first incision line 30 and a second incision line 50, which have no intersection or connection. That is to say, the first incision line 30 and the second incision line 50 do not converge.
  • the first incision line 30 extends over an angle, which is about 280°, from a first end 32 in the unscrewing direction of rotation LR to a second end 34 of the first incision line 30.
  • the angle is greater than 180°, e.g., greater than 220° about the reference axis A between the first end 32 and the second end 34 of the first incision line 30.
  • the second incision line 50 extends over an angle of about 150°, from a first end 52 in the unscrewing direction of rotation LR to a second end 54 of the second incision line 30.
  • the angle may be greater than 50° and less than 180° about the reference axis A between the first end 52 and the second end 54 of the second incision line 50.
  • the first tether 12 is defined or delineated by one first line segment 36 of the first incision line 30 and one first line segment 56 of the second incision line 50.
  • the first line segment 36 of the first incision line 30 consists of a terminal segment, which lies in a first reference plane P1 perpendicular to the reference axis A and extends from a first (terminal) end 32 of the first incision line 30 into the unscrewing direction LR towards a second (terminal) end 34 of the first incision line 30.
  • the first line segment 56 of the second incision line 50 consists of a terminal segment, which lies in a second reference plane P2.
  • the second reference plane P2 is parallel to and distant from the first reference plane P1.
  • the first line segment 56 of the second incision line 50 extends from a first (terminal) end 52 of the second incision line 50 in the direction opposed to the unscrewing direction LR towards a second (terminal) end 54 of the second incision line 50.
  • the first tether 12 extends in the unscrewing direction LR from a first connection area 12-1 with the safety ring 8 to a second connection area 12-2 with the annular skirt 8.
  • the second tether 14 is defined or delineated by a second line segment 38 of the first incision line 30 and a second line segment 58 of the second incision line 50.
  • the second line segment 38 of the first incision line 30 consists of a terminal segment, which lies in the second reference plane P2 and extends from the second (terminal) end 34 of the first incision line 30 in the direction of rotation opposed to the unscrewing direction LR towards the first (terminal) end 32 of the first incision line 30.
  • the second line segment 58 of the second incision line 50 consists of a terminal segment, which lies in the first reference plane P1 and extends from the second (terminal) end 54 of the second incision line 50 in the unscrewing direction LR towards the first (terminal) end 52 of the second incision line 40.
  • the second tether 14 extends in the unscrewing direction LR from a first connection area 14-1 with the safety ring 8 to a second connection area 14-2 with the annular skirt 10.
  • the length of the first tether 12 and the second tether 14 in the circumferential direction CD is defined by the overlap of the orthogonal projections, in the direction of the reference axis A, of the first incision line 30 and the second incision line 50.
  • the length of the first tether 12 and the length of the second tethers 14 is the same.
  • the respective overlap angle ⁇ between the first line segment 36 of the first incision line 30 and the first line segment 56 of the second incision line 50 measured about the reference axis A is equal to an overlap angle ⁇ between the second line segments 38 of the first incision line 30 and the second line segment 58 of the second incision line 50 measured about the reference axis A.
  • These overlap angles ⁇ , ⁇ are preferably configured to be greater than 5°, more preferably greater than 10°, and preferably less than 60°, more preferably less than 30°.
  • the first incision line 30 further comprises one or more intermediate line segments 40, the orthogonal projection of which, in the direction of the reference axis A, does not overlap with the orthogonal projection, in the direction of the reference axis A, of the second incision line 50.
  • the one or more intermediate line segments 40 of the first incision line 30 connect the first line segment 34 of first incision line 30 with the second line segment 36 of the first incision line 30.
  • the one or more intermediate line segments 40 delineate or define a separation between a front part of the annular skirt 10 and the safety ring 8.
  • the one or more intermediate segments 40 consist of several line segments 40, which are located in the second reference plane P2, but other configurations are also possible.
  • the second incision line 50 further comprises several intermediate line segments 60, the projection of which, in the direction of the reference axis A, do not overlap with the first incision line 30. Further, the several intermediate line segments 60 of the second incision line 50 connect the first line segment 54 of second incision line 50 with the second line segment 56 of the second incision line 50.
  • the intermediate line segments 60 delineate or define a separation between a rear or hinged part of the annular skirt 10 and the safety ring 8.
  • the intermediate line segments 62, 64 of the second incision line 50 include at least one intermediate line segment 62 which lies in the second reference plane P2 perpendicular to the reference axis A to define a first tab 72 of the safety ring 8, which protrudes towards the annular skirt 10.
  • the intermediate line segments 62, 64 of the second incision line 50 include at least one intermediate line segment 64 which lies in the first reference plane P1 perpendicular to the reference axis A to form a second tab 74 of the annular skirt 10, which protrudes towards the safety ring 8.
  • the first tap 72 and the second tab 74 lie adjacent to each other between the first tether 12 and second tether 14.
  • the tabs 72, 74 preferably have a trapezoidal shape, which converges towards their respective free end, i.e., towards the first and second reference planes P1, P2, respectively.
  • the side edges of the tabs run angular with respect to the reference axis A.
  • the shape of the tabs 72, 74 is not restricted to a trapezoidal shape, in principle the tabs 72, 74 may also have a square or rectangular shape; in this case, the side edges of the tabs would run parallel to the reference axis A.
  • the tabs 72, 74 having the trapezoidal shape may improve the separation of the annular skirt 10 and safety ring 8 in the unscrewing operation.
  • the intermediate line segments 40 of the first incision line 30 are provided with first frangible bridges 60, which link the front part of the annular skirt 10 to the safety ring 8 before the first opening of the closure 1.
  • the first frangible bridges 42 break when the closure 1 is unscrewed, the first time.
  • the intermediate line segments 62, 64 of the second incision line 50 are provided with second frangible bridges 66, which link the rear part of the annular skirt 10 to the safety ring 8 before the first opening of the closure 1.
  • the second frangible bridges 66 also break when the closure 1 is unscrewed, the first time.
  • All frangible bridges 60, 66 cross the line segments that lie in one of the planes P1, P2 perpendicular to the reference axis A.
  • the second frangible bridges 66 of the second incision line 50 have a width, measured in the circumferential direction CD, which is preferably smaller than a width of the first frangible bridges 60.
  • first and second line segments 36, 56, 38, 58 of the first and the second incision line 30, 50, which delineate the first and the second tether 12, 14, are without frangible bridges.
  • the first and second frangible bridges 60, 66 break without difficulty because they link parts of the safety ring 8 and of the lid 11 which are rigid, preferably more rigid than the first and the second tether 12, 14.
  • the first and the second tethers 12, 14 unfold in a controlled manner, which also causes the safety ring 8 to rotate relative to the container 80 also in the unscrewing direction LR.
  • the first and the second tethers 12, 14 are subject to a pulling force in their longitudinal direction, which also results in the described rotation of the safety ring 8.
  • the user can flip the lid 11 relative to the safety ring 8 about an instantaneous hinge axis which at each instant lies in a plane perpendicular to the reference axis A at a distance from the reference axis A.
  • the second tab 74 of the annular skirt 10 bears against the first tab 72 of the safety ring 8 thereby maintaining the closure 1 in the opened position, i.e., within the herein called "hold-open” arrangement or position.
  • the particular arrangement of the first and the second tether 12, 14 resulting in the application of a pulling force upon unscrewing the closure 1 from the container 80 the intended effect of the "hold-open" arrangement or position is improved.
  • the container 80 being in the shown embodiment a bottle has a bottleneck 86 on which one or more outer threads or lugs 82 are provided.
  • the outer threads or lugs 82 are configured to match to or fit with the inner threads or lugs 18 of the closure 1.
  • the container 80 has a finish 84 which can be closed by means of the closure 1, i.e., by screwing the closure 1 with the inner threads 18 and the outer threads 82 engaging onto the bottleneck 86.
  • the container 1 can be opened as described above by unscrewing the closure 1 from the bottleneck 86 with the unscrewing operation.
  • the closure 1 may nevertheless be screwed back onto the container 1 for closing the finish 84.
  • the first tether 12 and the second tether 14 are folded back nearly into their original position so that with the next unscrewing operation the tethers will be unfolded again as described above.
  • the container 80 remains closable also after first opening it with the closure 1 always staying attached to it via the first and second tether 12, 14 connecting the lid or cap 11 to the safety ring 8 that stays permanently assembled to the bottleneck 86.
  • the length and elasticity of the first and the second tether 12, 14 are such that the first and the second tether 12, 14 are stretched when the lid 11 reaches the flipped "hold-open” position against the safety ring 8, thereby supporting a stable "hold-open” arrangement or position.
  • Figure 10 shows a further development of the first embodiment of the closure 1 discussed herein above with the Figure 1 to 9 .
  • the further development is a second embodiment showing a closure 1.1. Because the closure 1.1 is in most details identical to the closure 1 discussed herein above with the Figure 1 to 9 , only the relevant differences shall be described herein below, i.e., regarding all not described features of the second embodiment reference is made to the description of the Figures 1 to 9 .
  • the fourth reference plane P4 is located between the first reference plane P1 and the second reference plane P2.
  • the fourth reference plane P4 can be located anywhere between the first reference plane P1 and the second reference plane P2 to adjust the height of the first tap 72 of the safety ring 8 as needed.
  • the fourth reference plane P4 is located closer to the second reference plane P2 than to the first reference plane P1 so that the height and position of the first tab 72 of the safety ring 8 is set so that the first tap 72 offers a sufficient area for contacting with an area provided by the second tab 74 of the annular skirt 10, in the hold-open arrangement or position.
  • the third reference plane P3 in the shown embodiment is located at a distance from the second reference plane P2 and preferably, below the first reference plane P1, thereby closer to the first reference plane P1 than to the second or fourth reference plane P2, P4.
  • the third reference plane is set so that the second tap 74 offers a sufficient area for contacting with the area provided by the first tab 72 of the safety ring 8, in the hold-open position.
  • the third reference plane P3 can be located anywhere at a distance from the second and fourth reference planes P2, P4 below the first reference plane P1.
  • the closure 1.1 of the second embodiment can be transferred into the closure 1 of the first embodiment described herein above in conjunction with the Figures 1 to 9 .
  • the description of the Figures 1 to 9 applies correspondingly to the embodiment of Figure 10 .
  • each of the first and the second incision line 30, 50 consists of a series of consecutive line segments.
  • the incision lines 30, 50 contrary to any closure with structure produced by corresponding features of a more or less complex molding form, are obtained by incision or cutting means, such as correspondingly configured blades or cutting edges, that are adapted to incise or cut partially or totally through the sidewall 6 of the closure 1, 1.1.
  • the incising or cutting is done preferably without removing plastic material, thereby resulting in the line segments of the first and the second incision line having adjoining incision walls.
  • closures 1 Figures 1 to 9
  • closure 1.1 Figure 10
  • closure 1.2 Figures 11 and 12 , to be briefly described herein below
  • the closures can be mounted on spindles so that their reference axis A is coaxial with the rotation axis of the spindles.
  • the closures can be rolled along incision or cutting means to produce the first and the second incision lines 30, 50.
  • each line segment of each of the first and the second incision line 30, 50 is associated with a corresponding blade segment.
  • the first and the second frangible bridges 60, 70 can be formed by dents in the blade segments.
  • the blades can either incise or cut right through the sidewall 6 of the closure 1, 1.1, 1.2 that forms the annular skirt 10 and the safety ring 8, which is the preferred option.
  • a frangible film of material may be left at the bottom of the line segments.
  • the blade segments are preferably flat rather than curved.
  • each of the first and the second incision line 30, 50 corresponds to a broken line, i.e., a line made of a series of consecutive "rectilinear" line segments. This way, line segments lie each in an associated blade plane.
  • Figures 11 and 12 show a third embodiment, which is a further development of the closures 1 and 1.1 of the first and second embodiments shown and described about Figures 1 to 10 . It will be appreciated that the closure 1.1 in Figure 10 may be used in the embodiment of Figures 11 and 12 as well.
  • the third embodiments differs from the first and second embodiment in Figures 1 to 10 in that the closure 1.2 comprises a lid 90 hinged to a base 3 which has the annular wall 6 with the first and the second incision lines 30, 50, described herein above which both delineate the annular skirt 10, the safety ring 8 and the first and the second tethers 12, 14.
  • the function and effects achieved are basically identical to what was described before.
  • annular sidewall 6 comprising the annular skirt 10, the safety ring 8 as well as the first and the second tethers 12, 14 that permanently connect the annular skirt 10 to the safety ring 8 and that are defined or delineated by the first incision line 30 and the second incision line 50, which do not converge with one another.
  • the annular skirt 8 is provided with inner threads or lugs 18 defining the unscrewing direction LR of rotation about the reference axis A defined by the safety ring 8.
  • the orthogonal projections, in the direction of a reference axis A, of the incision lines 30, 50 overlap and define the first and second tethers 12, 14 which extend in the unscrewing direction LR from the respective first connection area 12-1, 14-1 with the safety ring 8 to a respective second connection area 12-2, 14-2 with the annular skirt 10.

Landscapes

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

Claims (15)

  1. Verschluss (1; 1.1; 1.2) für einen Behälter (8), umfassend einen einteiligen Körper (2), wobei der einteilige Körper (2) eine ringförmige Seitenwand (6) umfasst, wobei die ringförmige Seitenwand (6) eine ringförmige Schürze (10), einen Sicherheitsring (8) sowie einen ersten Haltestreifen (12) und einen zweiten Haltestreifen (14) zur dauerhaften Verbindung der ringförmigen Schürze (10) mit dem Sicherheitsring (8) umfasst, wobei der Sicherheitsring (8) eine Bezugsachse (A) des einteiligen Körpers (2) definiert, wobei der einteilige Körper (2) eine erste Einschnittlinie (30) und eine zweite Einschnittlinie (50) aufweist, die nicht zueinander konvergierend verlaufen, wobei
    sich die orthogonalen Projektionen, in Richtung der Bezugsachse (A), von einem oder mehreren ersten Liniensegment(en) (36) der ersten Einschnittlinie (30) und von einem oder mehreren ersten Liniensegment(en) (56) der zweiten Einschnittlinie (50) in Umfangsrichtung (CD) des Verschlusses (1; 1.1; 1.2) zumindest teilweise überlappen, wobei das eine oder die mehreren ersten Liniensegment(e) (36) der ersten Einschnittlinie (30) und das eine oder die mehreren ersten Liniensegment(e) (56) der zweiten Einschnittlinie (50) den ersten Haltestreifen (12) definieren,
    sich die orthogonalen Projektionen, in Richtung der Bezugsachse (A), von einem oder mehreren zweiten Liniensegment(en) (38) der ersten Einschnittlinie (30) und von einem oder mehreren zweiten Liniensegment(en) (58) der zweiten Einschnittlinie (50) in Umfangsrichtung (CD) des Verschlusses (10) zumindest teilweise überlappen, wobei das eine oder die mehreren zweiten Liniensegment(e) (38) der ersten Einschnittlinie (30) und das eine oder die mehreren zweiten Liniensegment(e) (58) der zweiten Einschnittlinie (50) den zweiten Haltestreifen (14) definieren,
    die erste Einschnittlinie (30) ein oder mehrere erste zwischenliegende Liniensegmente (40) aufweist, die nicht zu den ersten und zweiten Liniensegmenten (36, 38) der ersten Einschnittlinie (30) gehören und deren orthogonale Projektion, in der Richtung der Bezugsachse (A), nicht mit der zweiten Einschnittlinie (50) überlappt,
    die zweite Einschnittlinie (50) ein oder mehrere zweite zwischenliegende Liniensegmente (62, 64) aufweist, die nicht zu den ersten und zweiten Liniensegmenten (56, 58) der zweiten Einschnittlinie (50) gehören und deren orthogonale Projektion, in der Richtung der Bezugsachse (A), nicht mit der ersten Einschnittlinie (30) überlappt,
    das eine oder die mehreren ersten zwischenliegenden Liniensegment(e) (40) der ersten Einschnittlinie (30) durch eine oder mehrere erste brechbare Brücken (60) zwischen der ringförmigen Schürze (10) und dem Sicherheitsring (8) definiert sind,
    das eine oder die mehreren zweiten zwischenliegenden Liniensegment(e) (62, 64) der zweiten Einschnittlinie (50) durch eine oder mehrere zweite brechbare Brücken (66) zwischen der ringförmigen Schürze (10) und dem Sicherheitsring (8) definiert sind,
    die ringförmige Schürze (8) mit Innengewinden oder Stollen (18) versehen ist, die eine Abschraubdrehrichtung (LR) um die Bezugsachse (A) definieren, dadurch gekennzeichnet, dass
    sich der erste Haltestreifen (12) und der zweite Haltestreifen (14) in der Abschraubdrehrichtung (LR) ausgehend von einem entsprechenden ersten Verbindungsbereich (12-1, 14-1) mit dem Sicherheitsring (8) zu einem entsprechenden zweiten Verbindungsbereich (12-2, 14-2) mit der ringförmigen Schürze (10) hin erstrecken.
  2. Verschluss (1; 1.1; 1.2) nach Anspruch 1, wobei
    sich die ersten und zweiten Liniensegmente (36, 56) der ersten und der zweiten Einschnittlinien (30, 50) ohne brechbare Brücken ganz durch die ringförmige Seitenwand (6) erstrecken; und/oder
    jede der ersten und der zweiten brechbaren Brücken (60, 66) der ersten und der zweiten Einschnittlinien (30, 50) auf einer zugehörigen Bezugsebene (P1, P2, P3, P4) liegt, die orthogonal zu der Bezugsachse (A) ist.
  3. Verschluss (1; 1,1; 1,2) nach Anspruch 1 oder 2, wobei
    die meisten der ein oder mehreren ersten zwischenliegenden Liniensegmente (40) der ersten Einschnittlinie (30) auf einer gemeinsamen zweiten Bezugsebene (P2) liegen, die orthogonal zu der Bezugsachse (A) ist; und
    vorzugsweise: zumindest eine der zweiten brechbaren Brücken (66) der zweiten Einschnittlinie (50) auf der zweiten Bezugsebene (P2) liegt.
  4. Verschluss (1; 1.1; 1.2) nach Anspruch 3, wobei zumindest eine der zweiten brechbaren Brücken (66) der zweiten Einschnittlinie (50) auf einer ersten Bezugsebene (P1) liegt, die orthogonal zu der Bezugsachse (A) ist und in einem Abstand von der zweiten Bezugsebene (P2) angeordnet ist.
  5. Verschluss (1; 1.1; 1.2) nach einem beliebigen der vorhergehenden Ansprüche, wobei sich die erste Einschnittlinie (30) über einen Winkel von mehr als 180° und weniger als 270° in Umfangsrichtung (CD) um die Bezugsachse (A) von einem ersten Ende (32) der ersten Einschnittlinie (30) zu einem zweiten Ende (34) der ersten Einschnittlinie (30) erstreckt.
  6. Verschluss (1; 1.1; 1.2) nach einem beliebigen der vorhergehenden Ansprüche, wobei
    sich die orthogonalen Projektionen, in Richtung der Bezugsachse (A), von einem oder mehreren ersten Liniensegment(en) (36, 56) der ersten und der zweiten Einschnittlinien (30, 50) einander über einen Winkel von mehr als 5°, vorzugsweise mehr als 10°, und weniger als 60°, vorzugsweise weniger als 30°, um die Bezugsachse (A) überlappen;
    sich die orthogonalen Projektionen, in Richtung der Bezugsachse (A), von einem oder mehreren zweiten Liniensegment(en) (38, 58) der ersten und der zweiten Einschnittlinien (30, 50) einander über einen Winkel von mehr als 5°, vorzugsweise mehr als 10°, und weniger als 60°, vorzugsweise weniger als 30°, um die Bezugsachse (A) überlappen; und
    sich das eine oder die mehreren zweiten zwischenliegenden Liniensegmente (62, 64) der zweiten Einschnittlinie (50) über einen Winkel von mehr als 30° und weniger als 90° um die Bezugsachse (A) erstrecken.
  7. Verschluss (1; 1.1; 1.2) nach einem beliebigen der vorhergehenden Ansprüche, wobei sich die zweite Einschnittlinie (50) über einen Winkel von weniger als 180° in Umfangsrichtung (CD) um die Bezugsachse (A) von einem ersten Ende (52) der zweiten Einschnittlinie (50) zu einem zweiten Ende (54) der zweiten Einschnittlinie (50) erstreckt.
  8. Verschluss (1; 1.1; 1.2) nach einem beliebigen der vorhergehenden Ansprüche, wobei der Sicherheitsring (8) mit zumindest einer ersten Lasche (72) versehen ist, die zu der ringförmigen Schürze (10) hin hervorsteht, und die ringförmige Schürze (10) mit zumindest einer zweiten Lasche (74) versehen ist, die zu dem Sicherheitsring (8) hin hervorsteht.
  9. Verschluss (1; 1.1; 1.2) nach Anspruch 8, wobei zumindest eine der ersten und der zweiten Laschen (72, 74) durch ein oder mehrere dritte Liniensegmente (68) der ein oder mehreren zweiten zwischenliegenden Liniensegmente (62, 64) der zweiten Einschnittlinie (50) definiert ist.
  10. Verschluss (1; 1.1; 1.2) nach Anspruch 9, wobei die ein oder mehreren dritten Liniensegmente (68) der ein oder mehreren zweiten zwischenliegenden Liniensegmente (62, 64) der zweiten Einschnittlinie (50) zumindest eine der ein oder mehreren brechbaren Brücken (66) beinhalten.
  11. Verschluss (1; 1.1; 1.2) nach einem der Ansprüche, wobei zumindest einige, und vorzugsweise alle, der ersten und der zweiten Liniensegmente (36, 56) und/oder der ersten und der zweiten zwischenliegenden Liniensegmente (60, 62, 64) der ersten und/oder der zweiten Einschnittlinien (30, 50) aneinander angrenzende Einschnittseitenwände aufweisen.
  12. Verschluss (1; 1.1) nach einem beliebigen der vorhergehenden Ansprüche, wobei der einteilige Körper (2) ferner eine obere Wand (4) umfasst, von der die ringförmige Schürze (10) hervorsteht, um eine Kappe oder einen Deckel (11) des Verschlusses (1; 1.1) zu bilden.
  13. Verschluss (1.2) nach einem der Ansprüche von 1 bis 11, wobei die ringförmige Seitenwand (6) Teil einer Basis (3) des Verschlusses (1.2) ist, der ferner eine Kappe oder einen Deckel (90) umfasst, der scharnierbeweglich an der Basis (3) angelenkt ist wobei vorzugsweise: die Kappe oder der Deckel (90) und die Basis (3) Teile des einteiligen Körpers (2) sind.
  14. Verschluss (1; 1.1; 1.2) nach einem beliebigen der vorhergehenden Ansprüche, wobei der Sicherheitsring (8) mit hakenförmigen elastischen Abschnitten (20) versehen ist, die in Richtung der Bezugsachse (A) hervorstehen.
  15. Verschluss (1; 1.1; 1.2) nach einem beliebigen der vorhergehenden Ansprüche, wobei jede der ersten und der zweiten Einschnittlinien (30, 50) eine unterbrochene Linie ist, die aus einer Reihe von aufeinander folgenden Liniensegmenten besteht, von denen jeweils Abschnitte auf einer zugehörigen Schneidenebene liegen.
EP23159480.5A 2023-03-01 2023-03-01 Verschluss für einen behälter Active EP4424610B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
LTEP23159480.5T LT4424610T (lt) 2023-03-01 2023-03-01 Konteinerio dangtis
ES23159480T ES3058177T3 (en) 2023-03-01 2023-03-01 Closure for a container
EP23159480.5A EP4424610B1 (de) 2023-03-01 2023-03-01 Verschluss für einen behälter
KR1020257031782A KR20250155571A (ko) 2023-03-01 2024-03-01 용기를 위한 마개
CN202480027304.9A CN120981402A (zh) 2023-03-01 2024-03-01 用于容器的封闭件
JP2025550611A JP2026508862A (ja) 2023-03-01 2024-03-01 容器用の封止体
EP24709197.8A EP4673379A1 (de) 2023-03-01 2024-03-01 Verschluss für einen behälter
AU2024230461A AU2024230461A1 (en) 2023-03-01 2024-03-01 Closure for a container
PCT/IB2024/051986 WO2024180516A1 (en) 2023-03-01 2024-03-01 Closure for a container
MX2025010286A MX2025010286A (es) 2023-03-01 2025-08-29 Tapa para un contenedor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23159480.5A EP4424610B1 (de) 2023-03-01 2023-03-01 Verschluss für einen behälter

Publications (2)

Publication Number Publication Date
EP4424610A1 EP4424610A1 (de) 2024-09-04
EP4424610B1 true EP4424610B1 (de) 2025-11-19

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EP23159480.5A Active EP4424610B1 (de) 2023-03-01 2023-03-01 Verschluss für einen behälter
EP24709197.8A Pending EP4673379A1 (de) 2023-03-01 2024-03-01 Verschluss für einen behälter

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP24709197.8A Pending EP4673379A1 (de) 2023-03-01 2024-03-01 Verschluss für einen behälter

Country Status (9)

Country Link
EP (2) EP4424610B1 (de)
JP (1) JP2026508862A (de)
KR (1) KR20250155571A (de)
CN (1) CN120981402A (de)
AU (1) AU2024230461A1 (de)
ES (1) ES3058177T3 (de)
LT (1) LT4424610T (de)
MX (1) MX2025010286A (de)
WO (1) WO2024180516A1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11332290B2 (en) * 2015-04-02 2022-05-17 ThisCap, Inc. Cap for container
IT201900007809A1 (it) * 2019-05-31 2020-12-01 Sacmi Tappo per un contenitore, e combinazione di un tappo e di un collo di contenitore.
UA129893C2 (uk) 2019-07-27 2025-09-03 Тіскеп, Інк. Кришка для тари та спосіб її створення
CH716857A2 (de) * 2019-11-20 2021-05-31 Alpla Werke Alwin Lehner Gmbh & Co Kg Behälterverschluss.
GB201918317D0 (en) 2019-12-12 2020-01-29 Obrist Closures Switzerland Closure
WO2021129931A1 (en) * 2019-12-23 2021-07-01 Retal Industries Limited Safe cap for a container

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Publication number Publication date
LT4424610T (lt) 2026-01-26
ES3058177T3 (en) 2026-03-09
EP4673379A1 (de) 2026-01-07
EP4424610A1 (de) 2024-09-04
MX2025010286A (es) 2025-10-01
KR20250155571A (ko) 2025-10-30
JP2026508862A (ja) 2026-03-13
CN120981402A (zh) 2025-11-18
AU2024230461A1 (en) 2025-09-04
WO2024180516A1 (en) 2024-09-06

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