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WO2025176905A1 - Contenant - Google Patents

Contenant

Info

Publication number
WO2025176905A1
WO2025176905A1 PCT/EP2025/054890 EP2025054890W WO2025176905A1 WO 2025176905 A1 WO2025176905 A1 WO 2025176905A1 EP 2025054890 W EP2025054890 W EP 2025054890W WO 2025176905 A1 WO2025176905 A1 WO 2025176905A1
Authority
WO
WIPO (PCT)
Prior art keywords
closure
resilient
flexible
container
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.)
Pending
Application number
PCT/EP2025/054890
Other languages
English (en)
Inventor
Alex James Orchard
Julia COONEY
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.)
Haleon UK IP Ltd
Original Assignee
Haleon UK IP Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haleon UK IP Ltd filed Critical Haleon UK IP Ltd
Publication of WO2025176905A1 publication Critical patent/WO2025176905A1/fr
Pending 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
    • B65D75/5822—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
    • B65D75/5811—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness and defining, after tearing, a small dispensing spout, a small orifice or the like
    • 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
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing

Definitions

  • the present disclosure is related to a closure and a container.
  • the container is a reusable container for pastes and semisolids.
  • the present disclosure is related to recloseable pouches for pastes and semisolids.
  • Some containers or pouches also have a problem of unwanted back flow. Unwanted back flow occurs when a user attempts to move product from a main portion of the container towards the opening of the container to dispense the product, but a portion or all of the product move backwards and into the container away from the opening. This causes wasted effort and requires additional time for the user to dispense the product from the container.
  • a flexible I resilient recloseable container comprising a reservoir and a closure.
  • the closure comprises: two walls, defining a front face and a rear face, wherein the two walls are cojoined about a top portion and at least one side portion thereof, with a bottom portion comprising an open section, for sealing to a container to be placed in fluid communication with an interior thereof; the closure comprising a removable portion; the closure comprising a line of weakness extending across the open section, extending generally parallel to the top portion or in an alternative extending generally parallel to at least one side portion, the line of weakness forming a tearable seal for removing the removable portion activating the closure into an open state; wherein the closure comprises a reversible closure means, in the form of a tab operable between a closed and an open position.
  • the at least one side portion is at least two side portions, for example a first side portion and a second side portion.
  • the container comprises a reservoir in fluid communication with the open section of the closure;
  • the container includes at least one wall defining a front face and at least one wall defining a rear face; wherein the reservoir is defined by a top, a bottom, and at least one side edge and by the least one wall defining a front face and the at least one wall defining a rear face, the front and rear faces being connected together about the top, bottom, and at least one side edge; with the connection either comprising a seal and I or front and rear faces being contiguous about at least one of the top, bottom, and/or one or both side edges.
  • the container being rectangular, wherein the top side and the bottom side represent the short I shorter sides of the rectangle; wherein the container is sized for a human hand. wherein a side edge is recessed (towards the opposite side edge), in a form which is curved, linear or both curved and linear.
  • the top and sides of the container and the top portion and side edges of the closure are contiguous.
  • the top of the container comprises the top portion of the closure and the sides of the container comprises the side portions of the closure.
  • a flexible I resilient recloseable container comprising a reservoir and a closure; the container including at least one wall defining a front face and at least one wall defining a rear face; the container being rectangular, wherein a top side and a bottom side represent the short I shorter sides of the rectangle; the front and rear faces being connected together about a top, bottom, and respective side edges; with the connection either comprising a seal and I or front and rear faces being contiguous about at least one of the top, bottom, and/or one or both side edges; wherein the reservoir is defined by the top, bottom, at least one side edge and by the at least one wall defining a front face and the at least one wall defining a rear face; wherein the container is sized for a human hand and wherein a side edge is recessed (towards the opposite side edge), in a form which is curved, linear or both curved and linear; and wherein the closure comprises: two walls, defining a front face and a rear face, wherein the two walls are co
  • the removal of the removable portion is achieved in a tearing action.
  • a user pulls the removable portion along the line of weakness.
  • the line of weakness enables the removal of the removable portion from the closure. In this way the closure is opened.
  • the closure comprises a reversible closure means
  • the closure may be operated on multiple occasions.
  • the closure can be used with a container for multiple dosing of separate amounts of material from the container, preferably on separate I distinct occasions.
  • the present invention has been designed inclusively to be as accessible as possible to a wide variety of types of consumers with different ergonomic, strength and dexterity capabilities.
  • the closure has also been found to be useful to right-handed and left-handed users.
  • substantially parallel it is meant that the line of weakness is angled at less than 10 degrees, more preferably less than 7 degrees and more preferably less than 5 degrees relative to the top portion and I or one of the side portions.
  • the closure is largely rectangular.
  • the closure means is in the form of a foldable tab, the foldable tab comprising a portion of one of the walls; the closure comprising a fold line, located upstream of the line of the weakness, extending across the open section, the fold line allowing a portion of the front or rear face to be folded back upon itself, thus placing the closure into a closed state; wherein the closure has a means for releasably retaining the foldable tab in the closed state.
  • the opening is (temporarily) closed.
  • the releasable attachment means comprises a stud I receiving member.
  • the fold line extends (as an example equidistantly) between these elements.
  • the releasable attachment means comprises a receiving aperture for receiving at least a portion of the fold tab (such as a corner portion), when in a closed state.
  • the receiving aperture is preferable formed in a wall of the closure (optionally adjacent the top portion thereof); obviously without affecting the integrity of the closure.
  • the receiving aperture preferably conveniently shaped for ease of insertion of the fold tab.
  • the fold tab is preferably retained in the receiving aperture by friction force and or by the bias of the fold tab trying to return to its original position.
  • One or both of the fold tab or the aperture may be roughened or otherwise modified to improve the reversible engagement therebetween.
  • the major axis is generally larger in size than the minor axis. This can be advantageous (see below).
  • the foldable tab is foldable about a fold line angled relative to the closure.
  • the fold line extends between a portion of the top and side portions.
  • the fold line is generally largely orthogonal to the axis of the open section.
  • the angle of the fold line is about 20 to 70 degrees, more preferably about 40 to 65 degrees, more preferably about 45 to 60 degrees relative to the top portion and I or one or both side portions.
  • the fold line and line of weakness meet or cross at a portion of a side portion.
  • the angle between the fold line and line of weakness is about 20 to 70 degrees, more preferably about 40 to 65 degrees, more preferably about 45 to 60 degrees relative to the top portion and I or one or both side portions.
  • the closure has a means for releasably retaining the cap in the closed state, such as a cooperating detent / raised position on the closure and / or cap.
  • the open section is disposed in the top portion of the closure.
  • the walls of the closure have a thickness of less than 250pm; more preferably from about 10pm to about 200pm, more preferably from about 25pm to about 175pm; more preferably from about 50pm to about 175pm; and most preferably from about 75pm to about 150pm.
  • Each wall may have the same thickness; or each wall may have differing thickness (to the other wall).
  • the thickness of the wall is not necessarily constant across its entirety.
  • the closure is intended to be used with a viscous material. Preferred viscosity levels are from 20,000 to 500,000 centipoise. It should be noted that in the context of the present invention all viscosities are measured at a temperature of 20°C with a Brookfield Viscometer, Spindle No. 4.
  • the closure is intended to be used with a container more particularly, a recloseable flexible I resilient container.
  • containers of the invention are surprisingly advantageous.
  • the container may be operated on multiple occasions.
  • the container may be used to discharge an amount of its contents and then resealed for later use.
  • the container can be used for multiple dosing of separate amounts of material, preferably on separate I distinct occasions. Each occasion may be (and preferably is) separate in a temporal manner.
  • the container comprises a reservoir.
  • the container includes at least one wall defining a front face and at least one wall defining a rear face.
  • the container reservoir is in fluid communication with the closure open section.
  • the reservoir is defined by a top, a bottom, and at least one side edge and by the at least one wall defining a front face and the at least one wall defining a rear face, the front and rear faces being connected together about the top, bottom, and respective side edges; with the connection either comprising a seal and I or front and rear faces being contiguous about at least one of the top, top portion, bottom, bottom portion, at least one side portion and/or one or both side edges.
  • a heat seal is present in the contained this is achieved by heat sealing around at least a portion of one or more of the edges of the front and rear faces.
  • a seal may be present in any or all of the top, bottom and side edges.
  • the front and rear faces are contiguous about at least one of the top portion, bottom portion and/or one or both side edges. Where present the seal may also have reinforcement means.
  • At least some of the container walls are extensions of closure walls.
  • Most preferably the front face of the reservoir and the rear face of the reservoir are continuations of the front face and rear face of the closure.
  • the container is non-gusseted.
  • the container is rectangular.
  • the top side and the bottom side represent the short I shorter sides of the rectangle.
  • the line of weakness extends generally parallel to a side edge or the top I bottom edge.
  • the closure is disposed in a corner portion of the container between the top side and a side edge or on the top side.
  • the container is sized for a human hand. This has not only been found to provide comfort and security to a user but also can aid in dosing as a user is able to apply a small amount of controlled hand pressure to discharge the container contents.
  • a side edge may be recessed (towards the opposite side edge).
  • the recess may have a form which is curved, linear or both curved and linear. Such a recess may be useful in accommodating a portion (such as the fingers) of a user’s hand. This can be useful when holding and I or discharging the contents of the container. (In this instance the remainder of the container abuts against the palm of the user).
  • the walls of the container have a thickness of less than 250pm; more preferably from about 10pm to about 200pm, more preferably from about 25pm to about 175pm; more preferably from about 50pm to about 175pm; and most preferably from about 75pm to about 150pm.
  • Each wall may have the same thickness; or each wall may have differing thickness (to the other wall). The thickness of the wall is not necessarily constant across its entirety.
  • the container is in the form of a (optionally squeezable) pouch.
  • a flexible container of the present invention the amount of residual product remaining the container is far lower than for a conventional container of the prior art, where it has been found that around 5% of residual content can remain.
  • the amount of residual content remaining has been found to be less than 2wt% and even less than 1 ,8wt% or less than 1 .5%.
  • a pouch has also been found to offer the advantage of a low head space requirement; further enhancing packing efficiency.
  • the container comprises a flexible I resilient material.
  • Any flexible material which can offer the physical protection and barrier properties necessary for the protection of the product through its designed life and the flexibility to enable the product to be exited from the container through a squeeze force, pressure difference, sliding action or combination thereof would be suitable.
  • Suitable flexible materials can be monolayer or multilayer laminated, woven or nonwoven.
  • Suitable flexible materials can be monomaterial or combinations of: polyolefins, polyesters, biobased polymers, recycled polymers, biobased fibres, PCR (postconsumer recycled material or post-consumer resin) recycled plastics such as rPET (Recycled Polyethylene Terephthalate), rPP (Recycled Polypropylene Plastic) and rHDPE (Recycled High-Density Polythene), cellulose-based materials such as functional papers and their associated coatings.
  • rPET Recycled Polyethylene Terephthalate
  • rPP Recycled Polypropylene Plastic
  • rHDPE Recycled High-Density Polythene
  • flexible I resilient material examples include polypropylene (PP), polyethylene (PE), mixed polyolefins, polyesters, paper, metal (such as aluminium, zinc) and non-woven materials, or a combination I laminate thereof.
  • the container is for retaining I dispensing materials such as pastes, semi solids, or liquids.
  • a method of using the closure I container of the first aspect of the invention comprising pulling the removable portion along the line of weakness to open the closure and, dispensing or discharging a formulation from the reservoir of the container.
  • FIG. 1 and FIG. 2 are front views of embodiments of a closure having a stud closure mechanism.
  • FIG. 3 is a front view of an embodiment of a closure having a foldable tab and a retaining hole for the closure.
  • FIG. 4 is a front view of an embodiment of a sealed recloseable container having a stud closure mechanism.
  • FIG. 5 is a cross-sectional view of a stud from the stud closure mechanism.
  • FIG. 6 is a front view of an embodiment of a sealed recloseable container having a foldable tab and retaining hole for closure.
  • FIGS. 7a to 7b are views of an embodiment of a cap for use with the container of the invention.
  • FIG. 8 is a front view of an embodiment of a sealed recloseable container for use with the cap of FIGS. 7a to 7b.
  • closure 1 is for use in dispensing products such as pastes, lotions, shampoos, conditioners, cosmetics, semi solids, or liquids.
  • foldable tab 10 When stud 11 is placed into hole 12, foldable tab 10 closes open section 2, until the user reopens the closure by pulling stud 11 out of hole 12 and foldable unfolding tab 10 back to an open position.
  • Closure 1 of FIG. 3 differs from closure 1 of FIG. 1 and FIG. 2 in that instead of the stud and retaining hole, a portion of the foldable tab 10 (preferably a corner thereof) is received into a receiving aperture 15, when the closure 1 is in a closed position. Aperture 15 is shaped for ease of insertion of the foldable tab 10.
  • Container 16 has a top portion 3, a bottom portion 18, and respective side edges 19 and 20.
  • the side edge 18 adjacent the closure 1 is recessed (towards the opposite side edge 20).
  • resilient legs 22 are inserted into opening 2 to help keep the circular shape of the opening 2 and to close opening 2.
  • the cap 21 comprises a skirt 23 which is intended to be disposed adjacent to the exterior of the open section 2 when the cap 21 is in place.
  • the cap 21 is hinged about the closure 1 I container 16.
  • the cap 21 and closure 1 I container 16 have a male and a female element 24 for attaching the cap 21 to the closure 1 I container 16 . Once attached it is intended that the cap 21 is not removed but operated from an open to closed position.
  • the cap 21 also has a projection 25 which cooperates with a recess 26 on the closure 1 I container 16 to resiliency retain the cap 21 in a closed position.
  • FIG. 8 a sealed reusable container for use with the cap of FIGS. 7a to 7b is shown.
  • the container 1 of FIG. 8 is similar to that of FIG. 4 in many aspects.
  • a closure for a container comprising: two walls, defining a front face and a rear face, wherein the two walls are cojoined about a top, and side portions thereof, with the bottom portion of comprising an open section, for sealing to a container to be placed in fluid communication with an interior thereof; the closure comprising a removable portion; the closure comprising a line of weakness extending across the open section, extending generally parallel to the top portion or in an alternative extending generally parallel to one or both of the side portions, the line of weakness forming a tearable seal for removing the removable portion activating the closure into an open state; wherein the closure comprises a reversible closure means, in the form of a tab operable being a closed and an open position.
  • EMBODIMENT 2 A closure according to EMBODIMENT 1 , wherein removal of the removable portion is achieved in a tearing action.
  • EMBODIMENT 3 A closure according to EMBODIMENT 1 or 2, wherein the closure means is in the form of a foldable tab, the foldable tab comprising a portion of one of the walls; the closure comprising a fold line, located upstream of the line of the weakness, extending across the open section, the fold line allowing a portion of the front or rear face to be folded back upon itself, thus placing the closure into a closed state; wherein the closure has a means for releasably retaining the foldable tab in the closed state.
  • EMBODIMENT 5 A closure according to EMBODIMENT 3, wherein the retaining means comprises an aperture to receive the foldable tab.
  • EMBODIMENT 6 A closure according to any one of EMBODIMENTS 1 to 5, wherein the open section comprises a channel disposed between the top and side portions.
  • EMBODIMENT 7 A closure according to EMBODIMENT 6, wherein the channel is angled at approximately 45 degrees relative to the top portion and I or one or both side portions.
  • EMBODIMENT 8 A closure according to any one of EMBODIMENTS 3 to 7, wherein the foldable tab is foldable about a fold line angled relative to the closure, wherein the angle is about 20 to 70 degrees, more preferably about 40 to 65 degrees, more preferably about 45 to 60 degrees relative to the top portion and I or one or both side portions.
  • EMBODIMENT 9 A closure according to EMBODIMENT 8, wherein the fold line and the line of weakness meet or cross at a portion of a side portion; preferably the angle between the fold line and line of weakness is 20 to 70 degrees, more preferably about 40 to 65 degrees, more preferably about 45 to 60 degrees.
  • EMBODIMENT 10 A closure according to EMBODIMENT 1 or 2, wherein the closure means is in the form a hinged cap.
  • EMBODIMENT 11 A closure according to EMBODIMENT 10, wherein the cap is removably attached to the closure.
  • EMBODIMENT 12 A closure according to any one of EMBODIMENTS 1 to 11 , wherein the open section is circular and has an open diameter of between 2 to 10mm, more preferably from 3 to 9 mm, more preferably from 4 to 9mm and most preferably from 7 mm to 8.5 mm; or the open section is oval, having a major axis and a minor axis, wherein the minor axis may has an open diameter of between 2 to 10mm, more preferably from 3 to 9 mm, more preferably from 4 to 9mm and most preferably from 7 mm to 8.5 mm and the major axis has a the same ranges of preferred dimensions; each multiplied by a factor of from 1.1 to 1.7.
  • EMBODIMENT 13 A closure according to any one of EMBODIMENTS 1 to 12, wherein the closure comprises a notch I incision adjacent to / colinear with the line of weakness.
  • EMBODIMENT 15 A flexible I resilient recloseable container comprising a closure according to any one of EMBODIMENTS 1 to 14.
  • the container being rectangular, wherein the top side and the bottom side represent the short I shorter sides of the rectangle; wherein the container is sized for a human hand. wherein a side edge is recessed (towards the opposite side edge), in a form which is curved, linear or both curved and linear.
  • EMBODIMENT 18 A method of using the closure according to any one of EMBODIMENTS 1 to 14 and I or the container according to EMBODIMENT 15 or 16.

Landscapes

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

Abstract

La présente divulgation concerne un élément de fermeture et un contenant. De préférence, le contenant est un contenant réutilisable pour pâtes et semi-solides. Plus particulièrement, la présente invention concerne des sachets refermables pour pâtes et semi-solides.
PCT/EP2025/054890 2024-02-23 2025-02-24 Contenant Pending WO2025176905A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP24159378.9 2024-02-23
EP24159378.9A EP4606729A1 (fr) 2024-02-23 2024-02-23 Conteneur

Publications (1)

Publication Number Publication Date
WO2025176905A1 true WO2025176905A1 (fr) 2025-08-28

Family

ID=90057283

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2025/054890 Pending WO2025176905A1 (fr) 2024-02-23 2025-02-24 Contenant

Country Status (2)

Country Link
EP (1) EP4606729A1 (fr)
WO (1) WO2025176905A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017419U1 (de) * 1990-12-24 1991-03-14 Imer, Rodney Haydn, Dipl.-Ing., 4000 Düsseldorf Konturenbeutel zur Aufnahme flüssiger oder pastöser Stoffe
WO1997029975A1 (fr) * 1996-02-20 1997-08-21 Colgate-Palmolive Company Recipient pouvant etre referme
US20080056623A1 (en) * 2006-08-16 2008-03-06 Matthew Shubilla Reclosable disposable container and closure
US20110075954A1 (en) * 2009-09-25 2011-03-31 Vinod Kumar Reclosable package
WO2017105393A1 (fr) * 2015-12-14 2017-06-22 Colgate-Palmolive Company Accessoire amovible

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017419U1 (de) * 1990-12-24 1991-03-14 Imer, Rodney Haydn, Dipl.-Ing., 4000 Düsseldorf Konturenbeutel zur Aufnahme flüssiger oder pastöser Stoffe
WO1997029975A1 (fr) * 1996-02-20 1997-08-21 Colgate-Palmolive Company Recipient pouvant etre referme
US20080056623A1 (en) * 2006-08-16 2008-03-06 Matthew Shubilla Reclosable disposable container and closure
US20110075954A1 (en) * 2009-09-25 2011-03-31 Vinod Kumar Reclosable package
WO2017105393A1 (fr) * 2015-12-14 2017-06-22 Colgate-Palmolive Company Accessoire amovible

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