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WO2024235760A1 - Ensemble rechargeable pour emballer un produit, en particulier un produit cosmétique - Google Patents

Ensemble rechargeable pour emballer un produit, en particulier un produit cosmétique Download PDF

Info

Publication number
WO2024235760A1
WO2024235760A1 PCT/EP2024/062616 EP2024062616W WO2024235760A1 WO 2024235760 A1 WO2024235760 A1 WO 2024235760A1 EP 2024062616 W EP2024062616 W EP 2024062616W WO 2024235760 A1 WO2024235760 A1 WO 2024235760A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking member
container
assembly
cup
internal
Prior art date
Application number
PCT/EP2024/062616
Other languages
English (en)
Inventor
Maxim STIMPFLING
Olivier Danjean
Original Assignee
L'oreal
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 L'oreal filed Critical L'oreal
Publication of WO2024235760A1 publication Critical patent/WO2024235760A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/0068—Jars

Definitions

  • TITLE Refillable assembly for packaging a product, in particular a cosmetic product.
  • the present invention relates to the field of refillable assemblies for packaging a product, in particular a cosmetic product.
  • a “cosmetic product” is understood, in particular within the meaning of the present invention, to be a product as defined in Regulation (EC) No 1223/2009 of the European Parliament and of the Council of 30 November 2009 on cosmetic products .
  • the invention relates to a refillable packaging assembly comprising a container or pot that has a wide opening and is equipped with a screwed cap or cover.
  • the refillable assembly also comprises an insert or cup forming a refill designed to be replaced when the product it contains has been used up.
  • the objective is to propose ecologically responsible containers that are reusable, in particular refillable at home or in a shop, in order to reduce the carbon footprint of the packaging.
  • the present invention falls within this approach of developing refillable packaging for the field of cosmetic products, in particular care products, for example a cream, for the application thereof to the skin of a user, or a makeup product, for example foundation or face powder.
  • the containers forming refills are in the form of very basic assemblies designed to be combined with casing elements so as to form a packaging assembly that is ready to use and provides the user with optimum performance, in particular in terms of aesthetics and ergonomics of use.
  • the axial seal created between the cap and the container is directly linked to the screwing force, and so insufficient screwing may bring about a lack of sealing.
  • Pots having a cap that is snap-fastened onto the top of an insert and forms an axial seal with said insert are also known.
  • the retention of the cap on the container is not sufficient to oppose an axial force applied to the cap in direction away from the container.
  • the aim of the present invention is therefore to remedy the drawbacks set out above and to improve refillable assemblies for packaging a product that comprise a container, a cup forming a refill, and a cap with the aim of improving the axial retention of said cup forming a refill with respect to the container in a use position of the product and to make it easier to extract said cup forming a refill from the container when said cup forming a refill is being replaced and thus to propose an assembly for packaging a cosmetic product that ensures quality and secure locking of the cup in the container in the use position of the product.
  • Another objective of the invention is to avoid any accidental extraction of the cup forming a refill.
  • Another objective of the invention is to make the interchangeability of the cup forming a refill easier, and thus in particular to simplify the replacement of an empty cup forming a refill with a new cup forming a refill within the device.
  • the subject of the invention is a refillable assembly for packaging a product, in particular a cosmetic product, comprising:
  • a container extending along an elevation axis and comprising, for example, an internal space delimited by a lower wall and a side wall;
  • a locking member fastened removably to the container by screwing between a locked position in which the unscrewing of said locking member is prevented and an unlocked position in which the unscrewing of said locking member is allowed and said locking member can be separated axially from the container along the elevation axis .
  • Said locking member is configured to retain the cup in the container.
  • the assembly comprises at least two flexible tabs that are secured to the cup for the one part and/or the locking member for the other part and extend towards the locking member for the other part or the cup for the one part, said flexible tabs being configured to be movable between a free or starting position and a compressed position in which the tabs are compressed between the locking member and the cup, the locking member and the container each comprising at least two complementary shapes configured to cooperate with one another in the locked position of the locking member and to move the flexible tabs from the compressed position into the free position.
  • At least one flexible tab secured to the cup and at least one flexible tab secured to the locking member may be provided.
  • the flexible tabs are compressed between the locking member and the cup, and when the complementary shapes provided on the container and the locking member are located axially opposite one another, the flexible tabs tend to return to their starting position and exert a force between the cup and the locking member, this having the effect of axially raising said locking member, the complementary shapes of the container cooperate and thus fit together with the complementary shapes of the locking member, thereby preventing or locking the rotation of the locking member with respect to the container. In this locked position of the locking member, said member can no longer be unscrewed from the container or screwed onto the latter.
  • flexible or “elastically deformable” is understood to mean any member capable of deforming under the action of an exerted load, for example the screwing of the locking member or the axial pressing of the locking member towards the container, causing the compression of the flexible tabs between the locking member and the cup, and of returning to its initial shape after said load ceases, for example, the engagement of the complementary shapes .
  • the cup is effectively retained on the container by way of the locking member screwed onto said container.
  • the locking member passes from the locked position to the unlocked position by axial pressing on the locking member in combination with the rotation of said locking member in the unlocking direction with respect to the container, in order to once again compress the flexible tabs and to disengage the complementary shapes.
  • a different number of flexible tabs could be provided, for example more than or equal to three.
  • the flexible tabs are elastically deformable in the vertical direction between a starting position in which each flexible tab is not compressed between the locking member and the cup and a deformed position in which each flexible tab is compressed in the vertical direction between the locking member and the cup.
  • a “product” is understood to be a care product, for example a cream, for the application thereof to the skin of a user, or a makeup product, for example foundation or face powder.
  • each flexible tab is elastically deformable and is able to bend about a bending axis perpendicular to the elevation axis between the free position and the compressed position.
  • the container comprises, preferably on its periphery, in particular on the upper end part, at least two external thread portions configured to cooperate with an internal thread portion provided on the locking member in order to fasten said locking member to the container by screwing .
  • the external thread portions are advantageously regularly spaced apart from one another circumferentially.
  • a different number of external thread portions could be provided, for example more than or equal to three.
  • each of the external thread portions comprises a thread engagement end and a thread runout end provided with an axial locking protrusion configured to engage in a corresponding circumferential notch provided in each internal thread portion of the locking member in the locked position of the locking member on the container.
  • the internal space is, for example, delimited by a lower wall forming a bottom, which is in this case substantially flat, a side wall forming a substantially circular contour, and an upper end part that forms a neck and is connected to the side wall by a shoulder.
  • a lower wall forming a bottom which is in this case substantially flat
  • a side wall forming a substantially circular contour and an upper end part that forms a neck and is connected to the side wall by a shoulder.
  • Other, regular or irregular, contour shapes are also possible, in particular square, polygonal or elongate shapes .
  • the upper end wall comprises, for example, an opening allowing access to the internal space of the container.
  • the end part of the container comprises, for example, an internal, for example annular rim on which the cup forming a refill is intended to bear axially.
  • the locking member comprises an annular mounting skirt comprising the internal thread portions configured to cooperate with the external thread portions of the container in order to screw said locking member onto the container or to unscrew it therefrom.
  • each thread portion of the locking member comprises a circumferential notch, each of which is intended to cooperate with an axial protrusion of the container in the locked position of the locking member on the container.
  • the locking member comprises at least two internal end-of-screwing stops that are each situated downstream of the corresponding circumferential notch in the direction of screwing of the locking member onto the container, each internal end-of-screwing stop being configured to come into circumferential abutment against a corresponding external stop provided on the container.
  • the number of circumferential notches and of internal end-of- screwing stops is, preferably, equal to the number of internal thread portions of the locking member.
  • the locking member also comprises an annular flange extending radially towards the inside from an upper end of the mounting skirt.
  • the annular flange extends in a substantially oblique direction.
  • the annular flange could extend in a purely radial direction.
  • the axial protrusions of the container While the internal and external stops are in contact, the axial protrusions of the container are situated axially above the corresponding circumferential notch of the locking member, the flexible tabs tend to return to their starting position and exert a force against the annular flange of the locking member, this having the effect of axially raising said locking member, the axial protrusions of the container are then inserted into the corresponding circumferential notch of the locking member, thereby preventing or locking the rotation of the locking member with respect to the container. In this locked position of the locking member, said member can no longer be unscrewed from the container or screwed onto the latter.
  • the axial protrusions of the container and the circumferential notches are complementary shapes configured to cooperate with one another in the locked position of the locking member 30, and make it possible to move the flexible tabs from the compressed position into the free position.
  • the cup comprises a body with a cylindrical overall shape extending along the elevation axis and comprising a lower closed bottom, a side wall forming a substantially circular contour and delimiting at least one internal cavity intended to contain the product, an open end allowing access to the internal cavity, and an end flange extending radially towards the outside from the side wall and having an outside diameter greater than the outside diameter of the side wall, said end flange bearing on an internal rim of the container.
  • the outside diameter of the side wall of the cup is substantially smaller than the inside diameter of the end part of the container in order to be inserted into said container. Provision could also be made for the side wall to delimit two or more cavities, each of which is intended to contain a product.
  • the end flange of the cup comprises at least two cutouts that are spaced apart, preferably regularly, from one another, each cutout delimiting a flexible tab extending vertically from the corresponding cutout towards the annular flange of the locking member.
  • the annular flange of the locking member comprises at least two cutouts that are spaced apart, preferably regularly, from one another, each cutout delimiting a flexible tab extending vertically from the corresponding cutout towards the end flange of the cup .
  • the assembly comprises a cap mounted removably on the locking member between a closing position in which the cap closes off the internal cavity of the cup and an open position in which the cap does not close off the internal cavity of the cup.
  • the cap is screwed onto the locking member.
  • the locking member comprises, on its outer surface, an external thread intended to cooperate with an internal thread provided on the cap in order to screw the cap onto the locking member or to unscrew it therefrom.
  • the locking member comprises a ring and a ring cover that rotates as one with said ring.
  • the assembly comprises a closure element or lid configured to close off the internal cavity of the cup in the closing position of the cup, and a circular seal mounted on said closure element.
  • the assembly could not be provided with one and/or the other of the closure element and the seal.
  • FIG. 1 shows an exploded perspective view of a refillable assembly for packaging a product according to one embodiment of the invention
  • FIG.2 is an exploded cross-sectional view of a part of the assembly in Figure 1 ;
  • FIG.3 ] , [FIG .4] show cross-sectional view of the assembly in Figure 1 , on two perpendicular section planes ;
  • FIG.5 is a top view of the container of the assembly in Figure 1 ;
  • FIG.6 is a top view of the cup forming a refill of the assembly in Figure 1 ;
  • FIG.7 is a detail view of the cup in Figure 6;
  • FIG.8 is a bottom view of the locking member of the assembly in Figure 1 ;
  • FIG.9 shows a transparent view of the assembly in Figure 1 , in which the locking member is in the locked position
  • FIG 10 shows a transparent view of the assembly in Figure 1 , in which the locking member is in the unlocked position
  • FIG 1 1 shows a transparent view of the assembly in Figure 1 , illustrating the start of unscrewing of the locking member.
  • an orthonormal basis X, Y, Z is taken into consideration, where Z corresponds to an axis of elevation or elongation representing the vertical direction, which comprises :
  • inner or “internal” and “outer” or “external” refer to the interior of the assembly for packaging a product, the internal or inner parts being closer to the axis of elevation X-X l than the external or outer parts .
  • a refillable assembly 1 for packaging a product extends axially along an axis X-X l which is presumed to be vertical in Figure 1.
  • the refillable assembly 1 for packaging a product comprises a container 10 or pot, a cup or insert forming a refill 20 mounted removably in the container 10, a locking member 30 fastened removably to the container 10, and a cap or cover 40 fastened removably to the locking member 30.
  • the locking member 30 retains the cup 20 in the container 10.
  • a “product” is understood to be a cosmetic product, for example a care product, for example a cream, for the application thereof to the skin or keratin fibres of a user, or a makeup product, for example a foundation or face powder, or a finely ground and compacted solid product, in the form of compact powder, intended to be applied, for example, to the skin of the user.
  • a cosmetic product for example a care product, for example a cream, for the application thereof to the skin or keratin fibres of a user
  • a makeup product for example a foundation or face powder, or a finely ground and compacted solid product, in the form of compact powder, intended to be applied, for example, to the skin of the user.
  • the invention is not limited to a cosmetic product. Provision could also be made of other types of product, for example paint, or food products, of the butter type.
  • the container 10 comprises a body extending along an axis of elevation X-X l which is presumed to be vertical in the figures . Any shape could be provided for the body, for example parallelepipedal, cylindrical or the like.
  • the body of the container 10 delimits an internal space E for receiving the cup 20 forming a refill.
  • the internal space E is delimited by a lower wall 1 1 forming a bottom, which is in this case substantially flat, a side wall 12 forming a substantially circular contour, and an upper end part 13 that forms a neck and is connected to the side wall 12 by a shoulder 14.
  • a lower wall 1 1 forming a bottom, which is in this case substantially flat
  • a side wall 12 forming a substantially circular contour
  • an upper end part 13 that forms a neck and is connected to the side wall 12 by a shoulder 14.
  • Other, regular or irregular, contour shapes are also possible, in particular square, polygonal or elongate shapes .
  • the upper end wall comprises 13 an opening 15 allowing access to the internal space E of the container 10.
  • the upper end part 13 has, on its periphery, an external thread 16 intended to cooperate with an internal thread 33 made in the locking member 30.
  • the container 10 comprises, on its periphery, in particular on the upper end part 13 , three external thread portions 16a, 16b, 16c that are regularly spaced apart from one another circumferentially.
  • a different number of external thread portions could be provided, for example more than or equal to two .
  • Each of the external thread portions 16a, 16b, 16c comprises a thread engagement end (not referenced) and a thread runout end (not referenced) provided with an axial locking protrusion 17 intended to engage in a corresponding circumferential notch 35 provided in the internal thread 33 of the locking member 30 in a locked position of the locking member 30 on the container 10.
  • the end part 13 of the container 10 also comprises an internal rim 19, which in this case is annular, on which the cup 20 forming a refill is intended to bear axially.
  • the cup or insert 20 is intended to be inserted into the internal space E of the container 10.
  • the cup 20 comprises a body with a cylindrical overall shape extending along the elevation axis X-Xl .
  • the body of the cup 20 has a lower closed bottom 21 , a side wall 22 forming a substantially circular contour a internal volume or cavity 23 intended to contain a product, and an open end 24 allowing access to the internal volume 23.
  • the cup 20 comprises an end flange 25 extending radially towards the outside from the side wall 22 and having an outside diameter greater than the outside diameter of the side wall 22.
  • the end flange 25 bears on the internal end rim 19 of the container 10.
  • the outside diameter of the side wall 22 of the cup 20 is substantially smaller than the inside diameter of the end part 13 of the container 10 in order to be inserted into said container 10.
  • the end flange 25 of the cup 20 comprises three cutouts 26a, 26b, 26c situated circumferentially at 120° from one another. Each cutout delimits a flexible tab 27a, 27b, 27c extending vertically upwards from the corresponding cutout.
  • Each flexible tab 27 is elastically deformable and bends about a bending axis perpendicular to the elevation axis X-X l between a free position visible in Figure 9 and a compressed position visible in Figures 10 and 11.
  • a different number of flexible tabs 27 could be provided, for example more than or equal to two.
  • the locking member 30 comprises, in this case, a locking ring 31 having a body of annular overall shape and extending along an elevation axis X-X l that is presumed to be vertical in the figures .
  • the ring 31 comprises an annular mounting skirt 32 comprising an internal thread 33 intended to cooperate with the external thread 16 of the container 10 in order to screw said ring 31 onto the container 10 or to unscrew it therefrom.
  • the ring 31 comprises three internal thread portions 33a, 33b, 33c that are regularly spaced apart from one another.
  • a different number of internal thread portions 33 could be provided, for example more than or equal to two.
  • the number of internal thread portions 33 is equal to the number of external thread portions 16 of the container 10.
  • Each thread portion 33a, 33b, 33c comprises a circumferential notch 35a, 35b, 35c, each of which is intended to cooperate with an axial protrusion 17a, 17b, 17c of the container 10 in the locked position of the locking member 30 on the container 10.
  • the locking ring 31 also comprises three internal end-of- screwing stops 36a, 36b, 36c that are situated downstream of the circumferential notch 35 in the direction of screwing the locking ring 30 onto the container 10.
  • Each internal end-of-screwing stop 36 is configured to come into circumferential abutment against the corresponding external stop 18a, 18b, 18c provided on the container 10.
  • the number of circumferential notches 35 and of internal end- of-screwing stops 36 is equal to the number of internal thread portions 33 of the locking member 31.
  • the ring 31 also comprises an annular flange 34 extending radially towards the inside from an upper end of the mounting skirt 32. As illustrated, the annular flange 34 extends, in this case, in a substantially oblique direction.
  • annular flange 34 could extend in a purely radial direction.
  • the locking member 30 comprises a ring cover 37 that rotates as one with the locking ring 3 1.
  • Said ring cover 37 has a body of annular overall shape and extending along an elevation axis X-X l that is presumed to be vertical in the figures .
  • the ring cover 37 comprises an annular mounting skirt 38 surrounding the mounting skirt 32 of the ring 31 and comprising an external thread 39 intended to cooperate with an internal thread 43 a provided on the cap 40 in order to screw the cap 40 onto the locking member 30 or to unscrew it therefrom.
  • the mounting skirt 32 of the ring 31 comprises, on its external cylindrical surface, axial anti-rotation protrusions 32a in order to cause the ring cover 37 to rotate as one with the ring 3 1.
  • the ring 31 and the ring cover 37 form two separate pieces.
  • each flexible tab 27 bears axially against the internal surface 34a of the annular flange 34 of the locking member 30.
  • the axial protrusions 17a, 17b, 17c of the container and the circumferential notches 35a, 35b, 35c are complementary shapes configured to cooperate with one another in the locked position of the locking member 30, and make it possible to move the flexible tabs 27 from the compressed position into the free position.
  • flexible or “elastically deformable” is understood to mean any member capable of deforming under the action of an exerted load, for example the screwing of the locking member 30 or the axial pressing of the locking member 30 towards the container 10, causing the compression of the flexible tabs 27 between the locking member and the cup, and of returning to its initial shape after said load ceases, for example, the engagement of the axial protrusions 17 in the corresponding notch 35 of the locking member 30.
  • the cup 20 is effectively retained on the container 10 by way of the locking member 30 screwed onto said container 10.
  • the flexible tabs 27 exerting an axial force on the locking member 30 at the end of screwing onto the container 10, accidental unscrewing of the locking member 30 with respect to the container 10 is avoided.
  • the cup 20 is made from a material having a high elastic deformation threshold.
  • the cup 20 is made from plastics material.
  • the cup 20 and the locking member 30 are advantageously made from one and the same material.
  • the use of polyolefins to make these elements makes it possible to encourage recycling of the elements of the cap and thus to comply with environmental constraints .
  • the assembly 1 comprises a closure element 50 or lid configured to close off the internal volume 23 of the cup 20 in the closing position of the cup 20, and a circular seal 60 mounted on said closure element 50.
  • the assembly 1 could not be provided with one and/or the other of the closure element 50 and the seal 60.
  • the cap 40 is configured to close off the cup 20.
  • the cap 40 extends along an elevation axis X-X l that is presumed to be vertical in the figures, and comprises two separate pieces 41 , 42, namely an internal piece 41 and an external piece 42 surrounding the internal piece 41.
  • the internal and external pieces 41 , 42 rotate as one with one another.
  • the internal piece 41 of the cap 40 comprises a mounting skirt 43 comprising, on its internal surface, an internal thread 43 a intended to cooperate with the external thread 39 provided on the locking member 30.
  • any means of fastening the cap 40 removably to the locking member 30 could be provided.
  • the mounting skirt 43 also comprises, on its external surface, axial protrusions 43b intended to cooperate with complementary shapes 42a provided on the internal surface of the mounting skirt 44 of the external piece 42 of the cap 40.
  • the cap 40 also comprises a closed upper wall 45 extending from the upper end of the mounting skirt 44 of the external piece 42.
  • the invention also covers any possible technically conceivable structural inversion of the elements employed within the device.
  • the flexible tabs could be carried by the locking member 30, in particular the flange 34.
  • the elastically deformable flexible tabs would be formed integrally with the main body of the locking member 30 and could protrude from the annular flange 34 towards the end flange 25 of the cup 20.
  • the hand movements for opening the cup are modified in order to make it easier to handle, while ensuring improved axial holding of the cup with respect to the container.
  • the cup can be removed and fastened easily.

Landscapes

  • Closures For Containers (AREA)
  • Packages (AREA)

Abstract

TITRE: L'invention concerne un ensemble rechargeable pour emballer un produit, en particulier un produit cosmétique. L'ensemble rechargeable (1) pour emballer un produit, en particulier un produit cosmétique, comprend un récipient (10) s'étendant le long d'un axe d'élévation (X-X1), une coupelle (20) formant une recharge qui est ajustée de manière amovible dans le récipient (10), un élément de verrouillage (30) fixé au récipient (10) par vissage entre une position verrouillée dans laquelle le dévissage dudit élément de verrouillage (30) est empêché et une position déverrouillée dans laquelle le dévissage dudit élément de verrouillage (30) est autorisé. L'ensemble (1) comprend au moins deux pattes flexibles (27) qui sont fixées à la coupelle (20), s'étendent vers l'élément de verrouillage (30) et sont mobiles entre une position libre et une position comprimée dans laquelle les languettes (27) sont comprimées entre l'élément de verrouillage (30) et la coupelle (20). L'élément de verrouillage (30) et le récipient (10) comprennent chacun au moins deux formes complémentaires (35a, 35b, 35c; 17a, 17b, 17c) configurées pour coopérer dans la position verrouillée de l'élément de verrouillage (30).
PCT/EP2024/062616 2023-05-16 2024-05-07 Ensemble rechargeable pour emballer un produit, en particulier un produit cosmétique WO2024235760A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FRFR2304878 2023-05-16
FR2304878A FR3148710B1 (fr) 2023-05-16 2023-05-16 Ensemble rechargeable de conditionnement d’un produit notamment cosmétique.

Publications (1)

Publication Number Publication Date
WO2024235760A1 true WO2024235760A1 (fr) 2024-11-21

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PCT/EP2024/062616 WO2024235760A1 (fr) 2023-05-16 2024-05-07 Ensemble rechargeable pour emballer un produit, en particulier un produit cosmétique

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FR (1) FR3148710B1 (fr)
WO (1) WO2024235760A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3101066A1 (fr) * 2019-09-25 2021-03-26 Pochet Du Courval Récipient à contenant interne en verre et méthode d’assemblage du récipient par utilisation d’un insert d’espacement et verrouillage
CN114980776A (zh) * 2019-12-20 2022-08-30 波切特迪尤考尔瓦尔公司 具有悬挂在外部接收器中的内部接收器的容器以及用于使用具有两个凸缘的接口组装容器的方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3101066A1 (fr) * 2019-09-25 2021-03-26 Pochet Du Courval Récipient à contenant interne en verre et méthode d’assemblage du récipient par utilisation d’un insert d’espacement et verrouillage
CN114980776A (zh) * 2019-12-20 2022-08-30 波切特迪尤考尔瓦尔公司 具有悬挂在外部接收器中的内部接收器的容器以及用于使用具有两个凸缘的接口组装容器的方法

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FR3148710B1 (fr) 2025-05-23
FR3148710A1 (fr) 2024-11-22

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