US20210122532A1 - Closure - Google Patents
Closure Download PDFInfo
- Publication number
- US20210122532A1 US20210122532A1 US17/050,616 US201917050616A US2021122532A1 US 20210122532 A1 US20210122532 A1 US 20210122532A1 US 201917050616 A US201917050616 A US 201917050616A US 2021122532 A1 US2021122532 A1 US 2021122532A1
- Authority
- US
- United States
- Prior art keywords
- cap
- closure
- ring
- container
- arms
- 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
Links
- 206010061307 Neck deformity Diseases 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 7
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 235000013361 beverage Nutrition 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
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
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
- B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
- B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges
-
- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
- B65D1/023—Neck construction
- B65D1/0246—Closure retaining means, e.g. beads, screw-threads
-
- 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
-
- 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
- B65D2401/30—Tamper-ring remaining connected to closure after initial removal
-
- 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
- B65D2401/35—Vertical or axial lines of weakness
Definitions
- the present invention relates to a capping device comprising means for preventing the complete separation of a container and of the cap closing this container.
- the present invention relates generally to a tethered closure cap and particularly, although not exclusively to a tamper-evident tethered closure.
- a tamper-evident closure for a container mouth comprising a cap and a retaining ring arranged under the cap for retaining the closure on the container, the cap is separable from the ring, the cap and ring are joined by a pair of arms, the arms are non-frangibly connected to a common root at one end, the other end one of the arms is non-frangibly connected at a circumferentially clockwise location from the root and the other end of the other arm is non-frangibly connected to a circumferentially anticlockwise location from the root, whereby the arms permit axial separation of the cap from the ring and assume a generally V-form configuration when doing so and whereby the cap remains tethered to the ring.
- FIGS. 1 to 8 An example of a closure of this type is shown in FIGS. 1 to 8 .
- the common root may be on the ring and the circumferentially displaced locations are on the cap i.e. the arms extend circumferentially away from the root.
- the common root may be on the cap and the displaced locations may be on the ring.
- At least part of the arms may be frangibly connected to the ring and/or the cap, for example by frangible bridges.
- frangible bridges When the closure is opened the connected is broken which can help with tamper evidence.
- the cap can be removed from the container mouth and can be docked with the container, whilst remaining tethered to the ring.
- the container mouth may be screw threaded and either or both of the arms may be positioned below a screw thread to dock the cap. See FIGS. 7 and 8 , for example.
- the cap must be rotated to dock with the container.
- the arms may be plastically and/or elastically deformed. See FIG. 8 , for example.
- the arms are approximately the same length.
- the V-form tether may, therefore, be generally symmetrical.
- the arms may be arcs.
- a further aspect provides a tamper-evident closure for a container mouth, the closure comprising a cap and a retaining ring, the cap and ring are connected by a tether, in which the tether comprises a first arm which is non-frangibly connected to the cap at one end, and a second arm which is non-frangibly connected to the ring.
- FIGS. 9 to 12 An example of a closure of this type is shown in FIGS. 9 to 12 .
- the arms may permit axial separation of the cap from the ring and allow the cap to be removed from the container mouth whilst remaining tethered to the ring.
- the arms may be arcs.
- the first and second arms may sit concentrically.
- the arm which is connected to the ring may sit concentrically inside of the arm which is connected to the cap when the cap is screwed on.
- the tether arms may be joined at an elbow (for example like a V-form elbow).
- the tether may permit the cap to be lifted away from the ring the tether by plastic deformation and/or elastic deformation of the elbow and/or the arms.
- a further aspect provides a closure comprising a cap, a lateral skirt of which is equipped with a means for engagement with a container, it being possible for the cap, in one position, to be placed over an opening of the container so as to close the container and, in another position, to be released from the opening so as to allow access to the inside of the container; a ring engaged on the container to delimit said opening and held axially thereon; and two arms in the form of an arc of a circle, each one of which is connected to the cap by a film hinge, and a tongue positioned between the hinges which, during tilting of the cap, bears against the container and exerts a pulling force on the arms, in which the diameter of the ring is larger than the diameter of the cap skirt, whereby the hinges are inclined from the ring towards the cap.
- FIG. 15 An example of a closure of this type is shown in FIG. 15 .
- the hinges may be generally square, trapezoidal or rectangular.
- a further aspect provides a closure comprising a cap, a lateral skirt of which is equipped with a means for engagement with a container, it being possible for the cap, in one position, to be placed over an opening of the container so as to close the container and, in another position, to be released from the opening so as to allow access to the inside of the container; a ring engaged on the container to delimit said opening and held axially thereon; and two arms in the form of an arc of a circle, each one of which is connected to the cap by a film hinge and a foldable means, and to the ring, the arms being connected to the ring at locations which are angularly distant with respect to the film hinge; said foldable means allows pivoting of the arms between a folded position, in which the arms are placed close to the ring and in which the cap is axially close to the ring, and an unfolded position, in which the arms are pivoted with respect to the film hinge and to the ring and allow the cap to be brought into a position which is axially remote
- the cap may comprise a bearing means which, during said tilting, bears against the container and exerts, a pulling on the arms, the pulling being minimal in the positions of engagement of the cap over the opening of the container and of total release of the cap from the opening, but being maximal in the intermediate position of the cap between these two positions.
- the bearing means may include a tongue projecting axially from the skirt of the cap, close to said film hinge.
- This flip-top characteristic makes it possible perfectly to keep the cap in its tilted position, against the elastic return of the synthetic material constituting the device; the user thus does not have to hold the cap in the tilted position during flow of the product contained in the container.
- this flip-top property makes the device appealing to handle.
- the said means may consist of a tongue projecting axially from the skirt of the cap, close to the said film hinge.
- the edge of the tongue bearing against the container is advantageously rounded, to promote the rolling of this tongue along the wall of the container.
- the means allowing sufficient deformation of the device to allow pivoting of the arms between the said folded and unfolded positions may consist of one or more of the following means:
- a material constituting the capping device chosen from materials, particularly polyethylene or polypropylene, which offer a possibility of elastic expansion;
- the ring and/or at least one arm is, before the first opening of the container, connected to the cap and/or to the film hinge by breakable bridges which are intended to be broken at the time of this first opening.
- the said means for the engagement of the cap with the container are of the screw type and the ring is fitted free in rotation on the container.
- Unscrewing of the cap gives rise to the aforesaid movement of the arms, and, as the case may be, the rupture of the bridges constituting the evidence that the container has not been tampered with.
- the cap comprises two film hinges made on either side of a tongue as aforesaid, an arm being connected to each of these film hinges.
- a further aspect provides a threaded closure for a container neck, the closure comprises a cap and a tamper-band ring, the bottom end of the cap is connected to the ring by a strap hinge, and the ring is connected to the bottom of the cap by frangible bridges.
- FIGS. 18 to 24 An example of a closure of this type is shown in FIGS. 18 to 24 .
- a further aspect provides a tamper-evident closure for a container mouth, the closure comprising a cap and a tamper-evident retaining ring, the cap and ring a joined by a tether, the tether is an arc that is connected to the ring and connected to the cap, the tether is located radially outside the cap and the ring.
- FIGS. 25 to 27 An example of a closure of this type is shown in FIGS. 25 to 27 .
- the tether may be connected to the ring at both of its ends.
- the tether may be connected to the cap at a point approximately mid-way between the tether ends.
- the tether may be connected to the cap at both of its ends.
- the tether may be connected to the ring at a point approximately mid-way between the tether ends.
- Separation of the cap and ring may be achieved by plastic and/or elastic deformation of the tether.
- the tether may be generally U-shape.
- a further aspect provides a tethered closure comprising a cap and a retaining ring, the cap and ring being joined by a hinge area and two flexible links.
- FIG. 16 and/or FIG. 17 An example of a closure of this type is shown in FIG. 16 and/or FIG. 17 .
- the closure may include both horizontal and vertical cuts/gaps.
- the diameter of the ring is larger than the diameter of the cap.
- separation of the cap and ring is achieved by plastic and/or elastic deformation.
- the container mouth is screw threaded.
- the container mouth includes a bayonet-like formation for engaging a corresponding formation on a closure. See for example FIG. 13 .
- the retaining ring is a tamper-evident band.
- the cap may comprise a top plate and a depending sidewall.
- the closure may be a flip-top closure.
- the closure may be a flip-top sportscap.
- the present invention also provides a closure as described herein in combination with a container.
- the container may have a short neck finish.
- a “short” neck finish can be defined as anything having a ratio, when calculated as the finish height (measured between the underneath of a transfer bead and the top of the finish refering to “D” dimension according to technical bottle neck drawing nomenclature in use within the beverage industry) divided by the diameter of the thread crest referring to “T” dimension according to technical bottle neck drawing nomenclature in use within the beverage industry, of 0.35 or below.
- FIG. 1 to 6 there is shown a closure 10 formed in according with the present invention.
- the closure 10 comprises a cup-shape cap 15 including a top plate 20 and a depending side skirt 25 , and a retaining ring/band 30 at the free end/bottom of the skirt.
- a threaded closure where the shell bottom end remains connected on two attached sectors located in the top end of the tamper band ring.
- the tamper band ring has two flexible arms attached on their intersection on the said tamper band ring. Allowing as such during the unscrewing that the closure can lift vertically along the thread helix, to allow freedom to get access to drink, while still remaining tethered with the bottle
- the tether 35 comprises two arc-form arms 37 , 39 which extend in opposite directions from a central root portion 40 on the ring. At the other end 36 , 38 each of the arms is non-frangibly connected to the skirt. This means that when the closure is unscrewed the arms deform to a generally V-form as shown in FIGS. 3, 5 and 6 .
- the length of the arms is such that the cap can be rotated; in doing so the arms twist and one of the arms can be located under a screw thread on the container neck, as shown in FIGS. 4 and 7A and as illustrated in the sequence of FIGS. 8A to 8C .
- FIGS. 9 to 12 there is shown a “twin tether” version of a closure 110 formed in accordance with the present invention.
- a threaded closure where a double tether is connected each side of the peripheral area of the shell bottom end. Wherein this double tether is as well connected each side on the peripheral area of tamper band ring. Allowing as such during the unscrewing that the closure can lift vertically along the thread helix, to allow freedom to get access to drink, while still remaining tethered with the bottle. Additionally by flipping the closure over the neck a parking position can be reached under the neck support ledge of the bottle neck.
- the closure 110 comprises a cup-shape cap 115 including a top plate 120 and a depending side skirt 125 , and a retaining ring/band 130 at the free end/bottom of the skirt.
- a tether 150 is in the form of a first arm 155 and a second arm 160 .
- the arms are both arcs. In the unopened/closed position the first arm 155 sits in the ring and the second arm 160 sits radially outside the first arm.
- the arms are joined at an elbow 165 .
- the first arm 155 is non-frangibly connected to the ring and the arm 160 is non-frangibly connected to the cap.
- the length of the tether is such that the cap can be docked under the container neck support ring/transport ring 170 —see FIGS. 11 and 12C .
- FIG. 13 shows a closure 210 formed according to a further aspect.
- the closure has a tethered tamper-evident band; a hinged tamper-evident band with two connecting arms.
- the band has a folded annular flap with a cut out in a hinge area and moulded bridges.
- This closure allows for safe venting of carbonated packages before opening.
- a bayonet mechanism with a cam formation may be used to attached the closure to the neck.
- FIG. 14 shows a tethered closure 381 .
- the closure is designed with a butterfly hinge and two flexible links.
- the closure 381 comprises an annular tamper-evident ring retaining part 383 , two arms 384 a , 384 b , two film hinges 385 a , 385 b and an annular cap retaining part 386 , the entire assembly being moulded in a single piece from synthetic material, such as polyethylene.
- Each arm 384 a , 384 b has the shape of an arc of a circle and is connected to the part 186 on the one hand, at the level of one of the film hinges 385 a , 385 b , and to the ring part 383 on the other hand.
- frangible bridges 387 are frangible bridges 387 .
- Each arm 384 a , 384 b is connected to the ring part 383 at a location which is angularly distant with respect to the film hinges 385 a , 385 b to which it is connected, the angle formed by this location and this film hinge being, in the example shown, of the order of 45 to 50 degrees.
- the film hinges 385 a , 385 b consist of walls of reduced thickness, of trapezoidal/triangular shape, connected to the wall of the cap part 386 on the one hand and to respective arms 384 a , 384 b on the other hand.
- the cap part 386 also comprises a tongue 391 depending axially between the two inclined film hinges 385 a , 385 b .
- the hinges 385 a , 385 b are symmetrical with respect to the median axis of the tongue 391 .
- the closure cap 396 comprises a skirt 396 a provided with helical screw thread which compliment those of the container neck.
- This tongue 381 has a length such that, during tilting of the cap 396 it bears against the container 382 and exerts, via this bearing, a pulling on the arms 384 a , 384 b . This pulling is non-existent in the positions of engagement of the cap 396 over the opening of the container and of full release of this cap 396 beyond this opening, but is maximal, the tongue 381 then being flexed, in the intermediate position of the cap 396 between these two positions.
- the closure placed on the container 382 by simple screwing or the device may be added after capping.
- the cap and this the cap part 186 progressively leaves its position which is axially close to the ring 383 until it reaches the position which is axially remote from this ring 383 , in which the helical threads of the container and of the cap 396 are out of engagement.
- the frangible bridges 387 rupture during this movement and the arms 384 a , 384 b pass from their folded position to the unfolded position shown in by pivoting.
- the cap 396 may be tilted by virtue of the film hinges 385 a , 385 b and by rolling and deformation of the tongue 381 against the neck.
- the shell can be removed and replaced.
- the tongue, arms and hinge of the device effectively allows the cap 396 to be of the “flip-top” type.
- FIG. 15 shows a tethered closure 481 comprising an annular tamper-evident ring retaining 483 , two arms 484 a , 484 b , two film hinges 485 a , 485 b and an annular cap 486 , the entire assembly being moulded in a single piece from synthetic material, such as polyethylene.
- Each arm 484 a , 484 b has the shape of an arc of a circle and is connected to the part 186 on the one hand, at the level of one of the film hinges 485 a , 485 b , and to the ring part 483 on the other hand.
- frangible bridges 487 are frangible bridges 487 .
- Each arm 484 a , 484 b is connected to the ring part 483 at a location which is angularly distant with respect to the film hinges 485 a , 485 b to which it is connected, the angle formed by this location and this film hinge being, in the example shown, of the order of 45 to 50 degrees.
- the film hinges 485 a , 485 b consist of walls of reduced thickness, of trapezoidal/triangular shape, connected to the wall of the cap part 186 on the one hand and to respective arms 484 a , 484 b on the other hand. Because the ring has a larger diameter than the closure the hinges are inclined.
- the cap 486 also comprises a tongue 491 depending axially between the two inclined film hinges 485 a , 485 b .
- the hinges 485 a , 485 b are symmetrical with respect to the median axis of the tongue 491 .
- the closure cap 496 comprises a skirt 496 a provided with helical screw thread which compliment those of the container neck.
- This tongue 481 has a length such that, during tilting of the cap 496 it bears against the container 482 and exerts, via this bearing, a pulling on the arms 484 a , 484 b . This pulling is non-existent in the positions of engagement of the cap 496 over the opening of the container and of full release of this cap 496 beyond this opening, but is maximal, the tongue 481 then being flexed, in the intermediate position of the cap 496 between these two positions.
- the cap 496 is placed on the container 482 by simple screwing. During the first unscrewing, the cap and this the cap 486 progressively leaves its position which is axially close to the ring 483 until it reaches the position which is axially remote from this ring 483 , in which the helical threads of the container and of the cap 496 are out of engagement.
- the frangible bridges 487 rupture during this movement and the arms 484 a , 484 b pass from their folded position to the unfolded position shown in by pivoting.
- the cap 496 may be tilted by virtue of the film hinges 485 a , 485 b and by rolling and deformation of the tongue 481 against the neck.
- the shell can be removed and replaced.
- the tongue, arms and hinge of the device effectively allows the cap 496 to be of the “flip-top” type.
- FIGS. 16 and 17 see description of the closures 510 , 610 in the Figures.
- FIGS. 18 to 20 a closure 710 formed according to an alternative embodiment is provided.
- a threaded closure 710 a corresponding beverage container neck 702 .
- the bottom end of the shell 703 is connected to a strap hinge 704 .
- the strap hinge 704 is also connected to the below-located tamper band ring 705 .
- the tamper band ring 705 is connected to the shell bottom end with frangible bridges 706 .
- the length (L) of the “strap hinge” required is dependant on the vertical displacement needed for the closure shell to get sufficient disengagement to allow access to drink.
- FIGS. 21 and 22 a closure 810 formed according to a further embodiment is shown.
- a threaded closure ( 1 ) a corresponding beverage container neck ( 2 ).
- the closure ( 1 ) is connected on the bottom end of the shell ( 3 ) to a strap hinge ( 4 ).
- the strap hinge ( 4 ) is also connected to the below-located tamper band ring ( 5 ).
- the tamper band ring ( 5 ) is connected to the shell bottom end with frangible bridges ( 6 ).
- the frangible bridges ( 6 ) On first opening the frangible bridges ( 6 ) get broken and the closure will lift up on the thread helix of the container neck while still remaining attached to the tamper band ring thanks to the strap hinge.
- the length (L) of the “strap hinge” required is dependant on the vertical displacement needed for the closure shell to get sufficient disengagement to allow access to drink.
- FIGS. 23 and 24 illustrate two different examples of methods that could be used to manufacture the closure 810 .
- FIGS. 25 to 27 show a closure 910 comprising a cap 901 and a tamper-evident retaining ring 902 , the cap and ring a joined by a tether 903 , the tether is an arc that is connected to the ring and connected to the cap, the tether is located radially outside the cap and the ring.
- the tether is connected to the ring at both of its ends.
- the tether is connected to the cap at a point approximately mid-way between the tether ends.
- the tether is generally U-shape.
- FIGS. 7A & 7B are identical to FIGS. 7A & 7B :
- FIG. 15
- This embodiment relates to a closure for a shorter neck finish.
- One feature of this embodiment is the position of the flexible area designed between the two thread start.
- the tilting of the hinge and the extension of these links is done when the cap passed over the neck finish during the opening. This movement could be easier by a rotation of the cap around a rigid and prominent finger on the lid cap, which serves as a support on the neck finish to star stable at the opening.
- FIG. 16
- the TE band which stay on the neck of the bottle, is made by a non-continuous cutting (slitting) plastic, which leaves several breakable elements (bridges) between the TE band and the cap.
- the slitting operation of the TE band is done by two superposed blades:
- the x height will define the flexibility of the links, that allow the link between the TE band and the lid.
- FIG. 17 is a diagrammatic representation of FIG. 17 :
- the TE band which stay on the neck of the bottle, is made by a non-continuous cutting (slitting) plastic, which leaves several breakable elements (bridges) between the TE band and the cap.
- the slitting operation of the TE band is done by two superimposed blades:
- the W dimension will define the thickness of the links.
- the X dimension will define the thickness of the hinge area.
- the Y will define the flexibility of the link that allow the link between the TE band and the lid.
- the dimension Z will define the flexibility of the link at the opening of the lid, that allow the stability of the one at xxx°.
- Said closure (I) is connected on his shell bottom end ( 3 ) to a “strap hinge” ( 4 ).
- Said “strap hinge” ( 4 ) is as well connected to the below located tamper band ring ( 5 ) of the shell bottom end ( 3 ). Wherein said tamper band ring ( 5 ) is connected to the shell bottom end with frangible bridges ( 6 ).
- Length (L) of the “strap hinge” varies in dependence of vertical displacement needed for the closure shell to get sufficient disengagement to allow access to drink.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Temperature-Responsive Valves (AREA)
- Glass Compositions (AREA)
Abstract
Description
- The present invention relates to a capping device comprising means for preventing the complete separation of a container and of the cap closing this container.
- The present invention relates generally to a tethered closure cap and particularly, although not exclusively to a tamper-evident tethered closure.
- According to an aspect of the present invention there is provided a tamper-evident closure for a container mouth, comprising a cap and a retaining ring arranged under the cap for retaining the closure on the container, the cap is separable from the ring, the cap and ring are joined by a pair of arms, the arms are non-frangibly connected to a common root at one end, the other end one of the arms is non-frangibly connected at a circumferentially clockwise location from the root and the other end of the other arm is non-frangibly connected to a circumferentially anticlockwise location from the root, whereby the arms permit axial separation of the cap from the ring and assume a generally V-form configuration when doing so and whereby the cap remains tethered to the ring.
- An example of a closure of this type is shown in
FIGS. 1 to 8 . - The common root may be on the ring and the circumferentially displaced locations are on the cap i.e. the arms extend circumferentially away from the root. Alternatively the common root may be on the cap and the displaced locations may be on the ring.
- In an unopened condition at least part of the arms may be frangibly connected to the ring and/or the cap, for example by frangible bridges. When the closure is opened the connected is broken which can help with tamper evidence.
- In some embodiments the cap can be removed from the container mouth and can be docked with the container, whilst remaining tethered to the ring.
- The container mouth may be screw threaded and either or both of the arms may be positioned below a screw thread to dock the cap. See
FIGS. 7 and 8 , for example. - In some embodiments the cap must be rotated to dock with the container. In doing so the arms may be plastically and/or elastically deformed. See
FIG. 8 , for example. - In some embodiments the arms are approximately the same length. The V-form tether may, therefore, be generally symmetrical.
- The arms may be arcs.
- A further aspect provides a tamper-evident closure for a container mouth, the closure comprising a cap and a retaining ring, the cap and ring are connected by a tether, in which the tether comprises a first arm which is non-frangibly connected to the cap at one end, and a second arm which is non-frangibly connected to the ring.
- An example of a closure of this type is shown in
FIGS. 9 to 12 . - Together the arms may permit axial separation of the cap from the ring and allow the cap to be removed from the container mouth whilst remaining tethered to the ring.
- The arms may be arcs.
- In an unopened state the first and second arms may sit concentrically. For example the arm which is connected to the ring may sit concentrically inside of the arm which is connected to the cap when the cap is screwed on.
- The tether arms may be joined at an elbow (for example like a V-form elbow).
- The tether may permit the cap to be lifted away from the ring the tether by plastic deformation and/or elastic deformation of the elbow and/or the arms.
- A further aspect provides a closure comprising a cap, a lateral skirt of which is equipped with a means for engagement with a container, it being possible for the cap, in one position, to be placed over an opening of the container so as to close the container and, in another position, to be released from the opening so as to allow access to the inside of the container; a ring engaged on the container to delimit said opening and held axially thereon; and two arms in the form of an arc of a circle, each one of which is connected to the cap by a film hinge, and a tongue positioned between the hinges which, during tilting of the cap, bears against the container and exerts a pulling force on the arms, in which the diameter of the ring is larger than the diameter of the cap skirt, whereby the hinges are inclined from the ring towards the cap.
- An example of a closure of this type is shown in
FIG. 15 . - The hinges may be generally square, trapezoidal or rectangular.
- A further aspect provides a closure comprising a cap, a lateral skirt of which is equipped with a means for engagement with a container, it being possible for the cap, in one position, to be placed over an opening of the container so as to close the container and, in another position, to be released from the opening so as to allow access to the inside of the container; a ring engaged on the container to delimit said opening and held axially thereon; and two arms in the form of an arc of a circle, each one of which is connected to the cap by a film hinge and a foldable means, and to the ring, the arms being connected to the ring at locations which are angularly distant with respect to the film hinge; said foldable means allows pivoting of the arms between a folded position, in which the arms are placed close to the ring and in which the cap is axially close to the ring, and an unfolded position, in which the arms are pivoted with respect to the film hinge and to the ring and allow the cap to be brought into a position which is axially remote from the ring, this position being sufficient to make it possible to release said means for engaging the cap with the container and to tilt said cap outwards with respect to the container so as to bring the cap into the position in which it is released from the opening of the container.
- The cap may comprise a bearing means which, during said tilting, bears against the container and exerts, a pulling on the arms, the pulling being minimal in the positions of engagement of the cap over the opening of the container and of total release of the cap from the opening, but being maximal in the intermediate position of the cap between these two positions.
- The bearing means may include a tongue projecting axially from the skirt of the cap, close to said film hinge.
- over the opening of the container and of total release of this cap from this opening, but being maximal in the intermediate position of the cap between these two positions.
- The aforesaid means, together with the possibility of elastic expansion made possible by the arms, thus make it possible to create a hard point midway through the tilting of the cap, so that the device is of the “flip-top” type.
- This flip-top characteristic makes it possible perfectly to keep the cap in its tilted position, against the elastic return of the synthetic material constituting the device; the user thus does not have to hold the cap in the tilted position during flow of the product contained in the container.
- Moreover, this flip-top property makes the device appealing to handle.
- The said means may consist of a tongue projecting axially from the skirt of the cap, close to the said film hinge.
- The edge of the tongue bearing against the container is advantageously rounded, to promote the rolling of this tongue along the wall of the container.
- The means allowing sufficient deformation of the device to allow pivoting of the arms between the said folded and unfolded positions may consist of one or more of the following means:
- a material constituting the capping device, chosen from materials, particularly polyethylene or polypropylene, which offer a possibility of elastic expansion;
- a clearance between the ring and the container in order to allow, through the deformation of this ring, the relative displacement, in the circumferential direction, of the ends of the arms connected to this ring;
- at least one slit or one notch made at the level of the film hinge to allow the relative displacement, in the circumferential direction, of the ends of the arms connected to this film hinge;
- arms included, in the folded position, in the thickness of the ring and separated by recesses made in this thickness so that the ring has, plumb with the arms, a height which is less than the height it has in the other locations on its circumference, this smaller height promoting its deformation during movement of the arms.
- Preferably, the ring and/or at least one arm is, before the first opening of the container, connected to the cap and/or to the film hinge by breakable bridges which are intended to be broken at the time of this first opening.
- These bridges not only constitute evidence that the container has not been tampered with but also make it possible to confer perfect structural homogeneity on the device.
- Advantageously, the said means for the engagement of the cap with the container are of the screw type and the ring is fitted free in rotation on the container.
- Unscrewing of the cap gives rise to the aforesaid movement of the arms, and, as the case may be, the rupture of the bridges constituting the evidence that the container has not been tampered with.
- According to an embodiment of the invention, the cap comprises two film hinges made on either side of a tongue as aforesaid, an arm being connected to each of these film hinges.
- These two film hinges located on either side of the said tongue allow stable movement of the arms and a stable tilting of the cap with respect to the container.
- A further aspect provides a threaded closure for a container neck, the closure comprises a cap and a tamper-band ring, the bottom end of the cap is connected to the ring by a strap hinge, and the ring is connected to the bottom of the cap by frangible bridges.
- An example of a closure of this type is shown in
FIGS. 18 to 24 . - A further aspect provides a tamper-evident closure for a container mouth, the closure comprising a cap and a tamper-evident retaining ring, the cap and ring a joined by a tether, the tether is an arc that is connected to the ring and connected to the cap, the tether is located radially outside the cap and the ring.
- An example of a closure of this type is shown in
FIGS. 25 to 27 . - The tether may be connected to the ring at both of its ends.
- The tether may be connected to the cap at a point approximately mid-way between the tether ends.
- The tether may be connected to the cap at both of its ends.
- The tether may be connected to the ring at a point approximately mid-way between the tether ends.
- Separation of the cap and ring may be achieved by plastic and/or elastic deformation of the tether.
- The tether may be generally U-shape.
- A further aspect provides a tethered closure comprising a cap and a retaining ring, the cap and ring being joined by a hinge area and two flexible links.
- An example of a closure of this type is shown in
FIG. 16 and/orFIG. 17 . - The closure may include both horizontal and vertical cuts/gaps.
- In some aspect and embodiments the diameter of the ring is larger than the diameter of the cap.
- In some aspects and embodiments separation of the cap and ring is achieved by plastic and/or elastic deformation.
- In some aspects and embodiments the container mouth is screw threaded.
- In some aspects and embodiments the container mouth includes a bayonet-like formation for engaging a corresponding formation on a closure. See for example
FIG. 13 . - In some aspects and embodiments the retaining ring is a tamper-evident band.
- In some aspects and embodiments the cap may comprise a top plate and a depending sidewall.
- In some aspects and embodiments the closure may be a flip-top closure.
- In some aspects and embodiments the closure may be a flip-top sportscap.
- The present invention also provides a closure as described herein in combination with a container.
- The container may have a short neck finish.
- Some aspects and embodiments relate to and/or are in combination with a short neck finish. For the purposes of this specification, a “short” neck finish can be defined as anything having a ratio, when calculated as the finish height (measured between the underneath of a transfer bead and the top of the finish refering to “D” dimension according to technical bottle neck drawing nomenclature in use within the beverage industry) divided by the diameter of the thread crest referring to “T” dimension according to technical bottle neck drawing nomenclature in use within the beverage industry, of 0.35 or below.
- Different aspects and embodiments of the invention may be used separately or together.
- Further particular and preferred aspects of the present invention are set out in the accompanying independent and dependent claims. Features of the dependent claims may be combined with the features of the independent claims as appropriate, and in combination other than those explicitly set out in the claims. Each aspect can be carried out independently of the other aspects or in combination with one or more of the other aspects.
- The present invention will now be more particularly described, by way of example, with reference to the accompanying drawings.
- The example embodiments are described in sufficient detail to enable those of ordinary skill in the art to embody and implement the systems and processes herein described. It is important to understand that embodiments can be provided in many alternative forms and should not be construed as limited to the examples set forth herein.
- Accordingly, while embodiments can be modified in various ways and take on various alternative forms, specific embodiments thereof are shown in the drawings and described in detail below as examples. There is no intent to limit to the particular forms disclosed. On the contrary, all modifications, equivalents, and alternatives falling within the scope of the appended claims should be included. Elements of the example embodiments are consistently denoted by the same reference numerals throughout the drawings and detailed description where appropriate.
- Unless otherwise defined, all terms (including technical and scientific terms) used herein are to be interpreted as is customary in the art. It will be further understood that terms in common usage should also be interpreted as is customary in the relevant art and not in an idealised or overly formal sense unless expressly so defined herein.
- In the following description, all orientational terms, such as upper, lower, radially and axially, are used in relation to the drawings and should not be interpreted as limiting on the invention.
- Referring first to
FIG. 1 to 6 there is shown aclosure 10 formed in according with the present invention. - The
closure 10 comprises a cup-shape cap 15 including atop plate 20 and a dependingside skirt 25, and a retaining ring/band 30 at the free end/bottom of the skirt. - In general terms there is provided a threaded closure where the shell bottom end remains connected on two attached sectors located in the top end of the tamper band ring. Wherein the tamper band ring has two flexible arms attached on their intersection on the said tamper band ring. Allowing as such during the unscrewing that the closure can lift vertically along the thread helix, to allow freedom to get access to drink, while still remaining tethered with the bottle
- Formed in the ring (in this embodiment) is a V-
form tether 35. Thetether 35 comprises two arc-form arms central root portion 40 on the ring. At theother end FIGS. 3, 5 and 6 . - Further, after the cap is removed from the container mouth the length of the arms is such that the cap can be rotated; in doing so the arms twist and one of the arms can be located under a screw thread on the container neck, as shown in
FIGS. 4 and 7A and as illustrated in the sequence ofFIGS. 8A to 8C . - Referring now to
FIGS. 9 to 12 there is shown a “twin tether” version of aclosure 110 formed in accordance with the present invention. - In general terms a threaded closure where a double tether is connected each side of the peripheral area of the shell bottom end. Wherein this double tether is as well connected each side on the peripheral area of tamper band ring. Allowing as such during the unscrewing that the closure can lift vertically along the thread helix, to allow freedom to get access to drink, while still remaining tethered with the bottle. Additionally by flipping the closure over the neck a parking position can be reached under the neck support ledge of the bottle neck.
- The
closure 110 comprises a cup-shape cap 115 including atop plate 120 and a dependingside skirt 125, and a retaining ring/band 130 at the free end/bottom of the skirt. - In this embodiment a
tether 150 is in the form of afirst arm 155 and asecond arm 160. The arms are both arcs. In the unopened/closed position thefirst arm 155 sits in the ring and thesecond arm 160 sits radially outside the first arm. The arms are joined at anelbow 165. - The
first arm 155 is non-frangibly connected to the ring and thearm 160 is non-frangibly connected to the cap. - This means that when the cap is unscrewed the tether is deformed as shown best in
FIGS. 10 and 12B . The arms are pulled apart at the elbow. - When the cap is removed from the container mouth the length of the tether is such that the cap can be docked under the container neck support ring/
transport ring 170—seeFIGS. 11 and 12C . -
FIG. 13 shows aclosure 210 formed according to a further aspect. The closure has a tethered tamper-evident band; a hinged tamper-evident band with two connecting arms. The band has a folded annular flap with a cut out in a hinge area and moulded bridges. This closure allows for safe venting of carbonated packages before opening. In this embodiment a bayonet mechanism with a cam formation may be used to attached the closure to the neck. -
FIG. 14 shows atethered closure 381. The closure is designed with a butterfly hinge and two flexible links. - The
closure 381 comprises an annular tamper-evidentring retaining part 383, twoarms cap retaining part 386, the entire assembly being moulded in a single piece from synthetic material, such as polyethylene. - Each
arm ring part 383 on the other hand. Along the upper and lower edge of the arms there are frangible bridges 387. - Each
arm ring part 383 at a location which is angularly distant with respect to the film hinges 385 a, 385 b to which it is connected, the angle formed by this location and this film hinge being, in the example shown, of the order of 45 to 50 degrees. - The film hinges 385 a, 385 b consist of walls of reduced thickness, of trapezoidal/triangular shape, connected to the wall of the
cap part 386 on the one hand and torespective arms - The flexibility which allows the tilting of the closure cap in use is obtained partly by means of this hinge shape and by the arrangement in the
cap part 386. - The
cap part 386 also comprises atongue 391 depending axially between the two inclined film hinges 385 a, 385 b. The hinges 385 a, 385 b are symmetrical with respect to the median axis of thetongue 391. - The closure cap 396 comprises a skirt 396 a provided with helical screw thread which compliment those of the container neck.
- This
tongue 381 has a length such that, during tilting of the cap 396 it bears against the container 382 and exerts, via this bearing, a pulling on thearms tongue 381 then being flexed, in the intermediate position of the cap 396 between these two positions. - In practice, the closure placed on the container 382 by simple screwing (or the device may be added after capping). During the first unscrewing, the cap and this the cap part 186 progressively leaves its position which is axially close to the
ring 383 until it reaches the position which is axially remote from thisring 383, in which the helical threads of the container and of the cap 396 are out of engagement. The frangible bridges 387 rupture during this movement and thearms - The cap 396 may be tilted by virtue of the film hinges 385 a, 385 b and by rolling and deformation of the
tongue 381 against the neck. - The shell can be removed and replaced. The tongue, arms and hinge of the device effectively allows the cap 396 to be of the “flip-top” type.
-
FIG. 15 shows atethered closure 481 comprising an annular tamper-evident ring retaining 483, twoarms annular cap 486, the entire assembly being moulded in a single piece from synthetic material, such as polyethylene. - Each
arm ring part 483 on the other hand. Along the upper and lower edge of the arms there are frangible bridges 487. - Each
arm ring part 483 at a location which is angularly distant with respect to the film hinges 485 a, 485 b to which it is connected, the angle formed by this location and this film hinge being, in the example shown, of the order of 45 to 50 degrees. - The film hinges 485 a, 485 b consist of walls of reduced thickness, of trapezoidal/triangular shape, connected to the wall of the cap part 186 on the one hand and to
respective arms - The flexibility which allows the tilting of the closure cap in use is obtained partly by means of this hinge shape and by the arrangement in the
cap 486. - The
cap 486 also comprises atongue 491 depending axially between the two inclined film hinges 485 a, 485 b. The hinges 485 a, 485 b are symmetrical with respect to the median axis of thetongue 491. - The closure cap 496 comprises a skirt 496 a provided with helical screw thread which compliment those of the container neck.
- This
tongue 481 has a length such that, during tilting of the cap 496 it bears against the container 482 and exerts, via this bearing, a pulling on thearms tongue 481 then being flexed, in the intermediate position of the cap 496 between these two positions. - In practice, the cap 496 is placed on the container 482 by simple screwing. During the first unscrewing, the cap and this the
cap 486 progressively leaves its position which is axially close to thering 483 until it reaches the position which is axially remote from thisring 483, in which the helical threads of the container and of the cap 496 are out of engagement. The frangible bridges 487 rupture during this movement and thearms - The cap 496 may be tilted by virtue of the film hinges 485 a, 485 b and by rolling and deformation of the
tongue 481 against the neck. - The shell can be removed and replaced. The tongue, arms and hinge of the device effectively allows the cap 496 to be of the “flip-top” type.
-
FIGS. 16 and 17 —see description of theclosures 510, 610 in the Figures. - In
FIGS. 18 to 20 aclosure 710 formed according to an alternative embodiment is provided. - There is shown a threaded closure 710 a corresponding
beverage container neck 702. The bottom end of theshell 703 is connected to astrap hinge 704. Thestrap hinge 704 is also connected to the below-locatedtamper band ring 705. Thetamper band ring 705 is connected to the shell bottom end withfrangible bridges 706. - On first opening the
frangible bridges 706 get broken and the closure will lift up on the thread helix of the container neck while still remaining attached to the tamper band ring thanks to the strap hinge. The length (L) of the “strap hinge” required is dependant on the vertical displacement needed for the closure shell to get sufficient disengagement to allow access to drink. - In
FIGS. 21 and 22 aclosure 810 formed according to a further embodiment is shown. There is shown a threaded closure (1) a corresponding beverage container neck (2). The closure (1) is connected on the bottom end of the shell (3) to a strap hinge (4). The strap hinge (4) is also connected to the below-located tamper band ring (5). The tamper band ring (5) is connected to the shell bottom end with frangible bridges (6). - On first opening the frangible bridges (6) get broken and the closure will lift up on the thread helix of the container neck while still remaining attached to the tamper band ring thanks to the strap hinge. The length (L) of the “strap hinge” required is dependant on the vertical displacement needed for the closure shell to get sufficient disengagement to allow access to drink.
-
FIGS. 23 and 24 illustrate two different examples of methods that could be used to manufacture theclosure 810. -
FIGS. 25 to 27 show aclosure 910 comprising acap 901 and a tamper-evident retaining ring 902, the cap and ring a joined by atether 903, the tether is an arc that is connected to the ring and connected to the cap, the tether is located radially outside the cap and the ring. - The tether is connected to the ring at both of its ends.
- The tether is connected to the cap at a point approximately mid-way between the tether ends.
- Separation of the cap and ring is achieved by plastic and/or elastic deformation of the tether.
- The tether is generally U-shape.
- Although illustrative embodiments of the invention have been disclosed in detail herein, with reference to the accompanying drawings, it is understood that the invention is not limited to the precise embodiments shown and that various changes and modifications can be effected therein by one skilled in the art without departing from the scope of the invention as defined by the appended claims and their equivalents.
-
FIGS. 7A & 7B : - It's possible, for example, to reach a stable position after opening. This is achieved in this embodiment by blocking one of the attaching straps below the neck finish. To reach this position the consumer must twist the closure after opening so that it is placed parallel to the neck finish. By doing so, one of the connecting strands is positioned below the neck thread segments and blocks the closure in position.
-
FIG. 15 : - This embodiment relates to a closure for a shorter neck finish. One feature of this embodiment is the position of the flexible area designed between the two thread start.
- In the case of a standard cap that should dtay attached at the bottle after opening. The existing concept, using links between the
lip cap 1 and the base/the tamperevident band 2, and a vertical hinge area, is well known. - The tilting of the hinge and the extension of these links is done when the cap passed over the neck finish during the opening. This movement could be easier by a rotation of the cap around a rigid and prominent finger on the lid cap, which serves as a support on the neck finish to star stable at the opening.
- The cost of the packaging requires shorter neck, the well known initial design are not compatible with the shorter neck.
- Concept Improvement:
- Creation of
flexible area 3, squared, trapezoidal or rectangular, which could bend at the opening, characterised by the position of this flexible area: -
- Inclined following an angle α created by the difference between the diameter of the lip cap and the tamper-evident band diameter. This configuration gives us enough length to guarantee the bending.
- Positioned wisely after the thread start or between two threads starts or in an area of interruption of the thread.
- Positioned as high as possible inside the lid cap.
- Positioned higher than the position of the thread start.
-
FIG. 16 : - Objective: Have a tethered cap to the bottle after opening it.
- The TE band, which stay on the neck of the bottle, is made by a non-continuous cutting (slitting) plastic, which leaves several breakable elements (bridges) between the TE band and the cap.
- Proposed solution: Creation of a “hinge area”+two flexible links by a two superposed slitting
- Create a connection between the cap and the tamper-evident band at the time of slitting.
- The slitting operation of the TE band is done by two superposed blades:
-
- A first blade will slit to create breakable elements (bridges) and also a wider sector create one links that serves as a hinge area at the opening of the cap
- A second blade will slit at a height of x to create a flexible link which can allow the a deformation to help at the opening at the opening of the closure.
- The x height will define the flexibility of the links, that allow the link between the TE band and the lid.
-
FIG. 17 : - Objective: Have a tethered cap to the bottle after opening it.
- The TE band, which stay on the neck of the bottle, is made by a non-continuous cutting (slitting) plastic, which leaves several breakable elements (bridges) between the TE band and the cap.
- Proposed solution: Creation of a “hinge area”+two flexible links, by a superposed & vertical slitting process
- Create a connection between the cap and the tamper-evident band at the time of slitting.
- The slitting operation of the TE band is done by two superimposed blades:
-
- A first blade will slit to create breakable elements (bridges) and also a wider sector create one links that serves as a hinge area at the opening of the cap
- A second blade will slit at a height of x to create a flexible link which can allow the a deformation to help at the opening at the opening of the closure.
- A vertical slitting is added to create a flexible area which the stability of the cap one time open.
- The W dimension will define the thickness of the links.
- The X dimension will define the thickness of the hinge area.
- The Y will define the flexibility of the link that allow the link between the TE band and the lid.
- The dimension Z will define the flexibility of the link at the opening of the lid, that allow the stability of the one at xxx°.
-
FIG. 21 &FIG. 22 - A threaded closure (1) and a corresponding beverage container neck (2). Said closure (I) is connected on his shell bottom end (3) to a “strap hinge” (4). Said “strap hinge” (4) is as well connected to the below located tamper band ring (5) of the shell bottom end (3). Wherein said tamper band ring (5) is connected to the shell bottom end with frangible bridges (6).
- Info's:
- At first opening the frangible bridges get broken and closure will lift up along the thread helix of the container neck while still remaining attached to the tamper band ring thanks to the “strap hinge”. Length (L) of the “strap hinge” varies in dependence of vertical displacement needed for the closure shell to get sufficient disengagement to allow access to drink.
Claims (13)
Applications Claiming Priority (7)
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GBGB1806855.1A GB201806855D0 (en) | 2018-04-26 | 2018-04-26 | A closure |
GB1806855.1 | 2018-04-26 | ||
GB1816019.2 | 2018-10-01 | ||
GB201816019 | 2018-10-01 | ||
GBGB1820203.6A GB201820203D0 (en) | 2018-12-12 | 2018-12-12 | Improvments in or relating to closures |
GB1820203.6 | 2018-12-12 | ||
PCT/EP2019/060830 WO2019207153A2 (en) | 2018-04-26 | 2019-04-26 | Closure |
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US17/050,685 Pending US20210039840A1 (en) | 2018-04-26 | 2019-04-26 | Closure |
US17/050,616 Pending US20210122532A1 (en) | 2018-04-26 | 2019-04-26 | Closure |
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US17/050,685 Pending US20210039840A1 (en) | 2018-04-26 | 2019-04-26 | Closure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210171257A1 (en) * | 2019-12-04 | 2021-06-10 | Société Lorraine De Capsules Métalliques-Manufacture De Bouchage | Screw capping device intended to remain tethered to a container after opening of the container |
US20220153483A1 (en) * | 2019-03-11 | 2022-05-19 | Alpla Werke Alwin Lehner Gmbh & Co. Kg | Container closure |
US20220194673A1 (en) * | 2019-04-15 | 2022-06-23 | Alpla Werke Alwin Lehner Gmbh & Co. Kg | Container closure |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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