WO2020005267A1 - Ensemble couvercle présentant un couvercle qui s'ouvre, activé par un ressort curviligne, et récipient présentant ledit ensemble couvercle - Google Patents

Ensemble couvercle présentant un couvercle qui s'ouvre, activé par un ressort curviligne, et récipient présentant ledit ensemble couvercle Download PDF

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Publication number
WO2020005267A1
WO2020005267A1 PCT/US2018/040216 US2018040216W WO2020005267A1 WO 2020005267 A1 WO2020005267 A1 WO 2020005267A1 US 2018040216 W US2018040216 W US 2018040216W WO 2020005267 A1 WO2020005267 A1 WO 2020005267A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
spring
flange
assembly
closed position
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.)
Ceased
Application number
PCT/US2018/040216
Other languages
English (en)
Inventor
Sungjin Moon
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.)
Kimberly Clark Worldwide Inc
Kimberly Clark Corp
Original Assignee
Kimberly Clark Worldwide Inc
Kimberly Clark Corp
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 Kimberly Clark Worldwide Inc, Kimberly Clark Corp filed Critical Kimberly Clark Worldwide Inc
Priority to CN201880094587.3A priority Critical patent/CN112313155A/zh
Priority to KR1020217001523A priority patent/KR102636872B1/ko
Priority to AU2018429147A priority patent/AU2018429147B2/en
Priority to PCT/US2018/040216 priority patent/WO2020005267A1/fr
Priority to BR112020026078-9A priority patent/BR112020026078B1/pt
Priority to GB2100190.4A priority patent/GB2590203B/en
Priority to US16/316,812 priority patent/US20200000296A1/en
Priority to MX2020013274A priority patent/MX2020013274A/es
Publication of WO2020005267A1 publication Critical patent/WO2020005267A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers; Toilet paper dispensers
    • A47K10/32—Dispensers for paper towels or toilet paper
    • A47K10/42—Dispensers for paper towels or toilet paper dispensing from a store of single sheets, e.g. stacked
    • A47K10/421—Dispensers for paper towels or toilet paper dispensing from a store of single sheets, e.g. stacked dispensing from the top of the dispenser
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • A47K10/18—Holders; Receptacles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers; Toilet paper dispensers
    • A47K10/32—Dispensers for paper towels or toilet paper
    • A47K2010/3233—Details of the housing, e.g. hinges, connection to the wall
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers; Toilet paper dispensers
    • A47K10/32—Dispensers for paper towels or toilet paper
    • A47K2010/3266—Wet wipes

Definitions

  • disposable moist wipes are often sold in rigid tubs or flexible pouches that include a dispensing orifice through which to extract the wipes from the interior of the tub or pouch.
  • a movable and resealable flap or lid typically covers the dispensing orifice, so that when a wipe is not being dispensed, the tub or pouch can be sealed to the outside environment to prevent moisture loss from the plurality of moist wipes housed therein.
  • Mechanisms for opening the flap or lid vary.
  • the lid In a common “push button” design, the lid is held closed via a latching mechanism. In the closed position, a compressed spring lies in tension against an undersurface of the lid. When an opening button is pressed, the latching mechanism releases the lid, and the compressed spring unloads its tension to throw the lid to an open position.
  • Such "push button” opening mechanisms are a desirable and elegant design, delivering intuitive, simple, and reliable operation to a user of the moist wipes dispenser.
  • a first embodiment of the invention includes a lid assembly adapted to form part of a dispensing container, the assembly having a longitudinal dimension, a transverse dimension, and a height dimension.
  • the assembly includes a flange that forms a closed loop; a lid joined to the flange via a hinge, the lid adapted to pivot about the hinge between a closed position and an open position; a spring in the flange positioned proximate the hinge, the spring having first and second ends, the spring joined to the flange at the first and second ends; and an opening button in the flange positioned longitudinally opposite the spring on the closed loop.
  • the flange, the button, the spring, and the lid are all integrally formed together.
  • the lid in the closed position is stacked above the flange in the height dimension.
  • the spring forms a convex arc whose convexity extends away from the flange in the height dimension when the lid is in the open position.
  • the arc is at least partially deformed toward the flange in the height dimension when the lid is in the closed position, the spring having stored potential energy when the lid is in the closed position, and having no stored potential energy when the lid is in the open position.
  • a second embodiment of the invention includes the first embodiment, further wherein the lid includes a catch and the button includes a latch, the catch adapted to engage the latch when the lid is in the closed position, and wherein when the button is pressed, the latch releases the catch, allowing the spring to urge the lid toward the open position.
  • a third embodiment of the invention includes either of the first or the second embodiments, wherein the flange is hollow under an entirety of the arc.
  • a fourth embodiment of the invention includes any of the first through the third embodiments, wherein the spring has a width extending in the longitudinal dimension, and wherein under the spring in the height dimension the flange defines a hole having a hole width that is at least as wide as the spring width, the hole extending from the first end of the spring to the second end of the spring.
  • a fifth embodiment of the invention includes any of the first through the fourth embodiments, wherein the convex arc is flanked by a pair of concave arcs, each of whose concavity extends away from the convex arc in the height dimension.
  • a sixth embodiment of the invention includes any of the first through the fifth embodiments, wherein the assembly consists of a substantially homogenous polymeric structure.
  • a seventh embodiment of the invention includes any of the first through the sixth embodiments, wherein the assembly consists of a single polymer selected from the group of polyethylene terephthalate, polyethylene, polypropylene, polyamide, polystyrene, polyvinyl chloride, poly acrylo nitrile, and poly carbonate.
  • An eighth embodiment of the invention includes any of the first through the seventh embodiments, wherein the lid defines a top side and an underside, and wherein the spring exerts force against the underside of the lid in the height dimension when the lid is in the closed position.
  • a ninth embodiment of the invention includes any of the first through the eighth embodiments, wherein the spring exerts substantially no force against the lid in the longitudinal dimension when the lid is in the closed position.
  • a tenth embodiment of the invention includes any of the first through the ninth embodiments, wherein the assembly includes no component made of rubber, silicone, elastomer, or metal.
  • An eleventh embodiment of the invention includes a lid assembly adapted to form part of a dispensing container, the assembly having a longitudinal dimension and a transverse dimension.
  • the assembly includes a flange; a lid joined to the flange via a hinge, wherein the hinge extends in the transverse dimension, the lid adapted to pivot about the hinge between a closed position and an open position; and a curvilinear spring disposed proximate to the hinge and interposed between the flange and the lid, the spring having at least two points of inflection when the lid is an open position.
  • the hinge is a living hinge and the lid, the hinge, and the curvilinear spring are integrally formed with one another.
  • the flange has an upper surface lying in a first plane and the curvilinear spring has an arced portion having an upper surface lying in a second plane that is above the first plane when the lid is in an open position.
  • a twelfth embodiment of the invention includes the eleventh embodiment, wherein the curvilinear spring is integrally formed with the flange.
  • a thirteenth embodiment of the invention includes either of the eleventh or the twelfth embodiments, further comprising an opening button disposed on the flange.
  • a fourteenth embodiment of the invention includes any of the eleventh through the thirteenth embodiments, wherein the curvilinear spring has at least three points of inflection when the lid is in the open position.
  • a fifteenth embodiment of the invention includes any of the eleventh through the fourteenth embodiments, wherein the flange is annular.
  • a sixteenth embodiment of the invention includes any of the eleventh through the fifteenth embodiments, wherein the curvilinear spring has a first and a second end joined to the flange and the at least two points of inflection lie between the first and the second ends when the lid is in the open position.
  • a seventeenth embodiment of the invention includes any of the eleventh through the sixteenth embodiments, wherein the curvilinear spring has an m-shape or a w-shape when the lid is in the open position.
  • An eighteenth embodiment of the invention includes a dispensing container, the container having a housing for storing product, the housing defining an interior space, the housing having an outer surface generally facing away from the interior space, the housing having a dispensing orifice for withdrawing product from the interior space.
  • the container includes the lid assembly of any of the first through the seventeenth embodiments.
  • a nineteenth embodiment of the invention includes the dispensing container of the eighteenth embodiment, wherein the housing is a flexible film pouch, and wherein the product comprises disposable personal care tissues or moist wipes.
  • Fig. 1A representatively illustrates a perspective view of one embodiment of the lid assembly of the invention, shown with the lid shut, and affixed to a flexible package, and with a portion cut away to show underlying features.
  • Fig. 1 B representatively illustrates a top view of the lid assembly of Fig. 1 A.
  • Fig. 1 C representatively illustrates a front view of the lid assembly of Fig. 1A.
  • Fig. 1 D representatively illustrates a side view of the lid assembly of Fig. 1A.
  • Fig. 2A representatively illustrates a perspective view of the lid assembly of Fig. 1A, shown with the lid partially open, and affixed to a flexible package.
  • Fig. 2B representatively illustrates a top view of the lid assembly Fig. 2A.
  • Fig. 2C representatively illustrates a front view of the lid assembly of Fig. 2A.
  • Fig. 2D representatively illustrates a side view of the lid assembly of Fig. 2A.
  • Fig. 2E representatively illustrates a front perspective view of the lid assembly of Fig. 1 A, with the lid fully open and showing the inside surfaces of the flange and lid components.
  • Fig . 2F representatively illustrates a top view of the flange component of the lid assembly of Fig . 2A.
  • Fig. 2G representatively illustrates a front view of the flange component of the lid assembly of
  • Fig. 3A representatively illustrates a front perspective view of the spring and hinge region of the lid assembly embodiment of Figs. 1-2, showing the spring in an uncompressed condition.
  • Fig. 3B representatively illustrates the spring and hinge region shown in Fig. 3A, but with the spring shown in a compressed condition.
  • a dispensing container 20 (Fig. 1 A) is adapted to store and dispense product, such as a stack of moist wipes (not shown).
  • product suitable for use in conjunction with the present invention include facial tissues, sanitizing wipes, paper towels, feminine hygiene products, candy, snacks, or the like.
  • the container 20 includes a housing 14.
  • the housing 14 can be rigid, such as a plastic container (not shown).
  • the housing 14 can be flexible, such as a flexible pouch 15, as representatively illustrated in Fig. 1 A.
  • the flexible pouch can be made of any suitable flexible substrate, including a polymeric film, a nonwoven fabric, cloth, rubber, foil, or the like.
  • the housing 14 defines an interior space 26, and an outer surface 29 generally facing away from the interior space 26.
  • the housing 14 defines a dispensing orifice 27 (Fig. 2A) through which the wipes can be individually extracted from the interior space 26.
  • the housing 14 is formed of a substantially moisture-impervious material, such as when the housing 14 is used to house pre moistened wipes.
  • the container includes a lid assembly 30.
  • the assembly 30 has a longitudinal dimension 31 , a transverse dimension 32, and a height dimension 33.
  • the assembly 30 includes a flange 40.
  • the flange forms a closed loop 35 (such as an annular ring), as representatively illustrated in Figs. 2A and 2E.
  • the flange 40 is disposed on the outer surface 29 of the housing 14, such as by being affixed to the outer surface 29 of the housing 14 (Figs. 1A and 2A), such as via adhesive.
  • the flange 40 can be integrally formed with the housing.
  • the assembly 30 includes a lid 50.
  • the lid 50 is joined to the flange 40 at a hinge 42.
  • the hinge 42 extends in the transverse dimension 32.
  • the lid 50 is adapted to pivot about the hinge 42 between a closed position 52 and an open position 54.
  • the hinge 42 is a living hinge.
  • the lid 50 is stacked above the flange 40 in the height dimension 33 (Figs. 1A-1 D), and is interposed between the flange 40 and the lid 50.
  • the lid 50 covers the dispensing orifice 27 when the lid is in a closed position 36 (Fig. 1A), and the lid 40 exposes the dispensing orifice 27 when the lid 50 is in an open position 34 (Fig. 2A).
  • the lid 50 can optionally include at least one lid moisture retention ridge 35.
  • the assembly 30 includes a spring 60.
  • the spring 60 is positioned proximate the hinge 42.
  • the spring 60 is curvilinear.
  • the spring has a first end 61 and a second end 62, and is in particular embodiments joined to the flange 40 at its first and second ends 61 , 62.
  • the assembly further includes an opening button 70 in the flange 40.
  • the opening button 70 is positioned opposite the spring 60 on the closed loop 35, as shown in Figs. 2A, 2B, and 2F.
  • the spring 60 has a spring width 63 that in particular embodiments extends in the longitudinal dimension 31 , and has a spring length 65 that extends in the transverse dimension 32 from the first end 61 to the second end 62.
  • the spring length 65 extends from the first end 61 to the second end 62 in the longitudinal dimension 31
  • the spring width 63 extends in the transverse dimension 32 (not shown).
  • the assembly 30 can include two or more springs 60, each of which could have the features described herein.
  • the flange 40, the lid 50, the spring 60, and the button 70 are all integrally formed together, such as by all being part of the same unitary plastic structure. This is in contrast to conventional push button lid structures, which typically rely on joining together two or more separate components, one of which is typically a discrete spring made of rubber, silicone, elastomer, or metal.
  • Polymeric injection molding is one example of a suitable technology with which to form the integral structure of particular embodiments of the present invention.
  • the assembly 30 consists of a homogenous polymeric composition.
  • the assembly 30 consists of a single polymer selected from the group of polyethylene terephthalate, polyethylene, polypropylene, polyamide, polystyrene, polyvinyl chloride, poly acrylo nitrile, and poly carbonate.
  • the ability of particular embodiments of the invention to deliver "pop-open” action via a push-button using the herein-described simple one-piece construction, devoid of a separately produced spring component, can provide an elegant, more easily recycled design having reduced raw material and assembly cost.
  • the lid assembly 30 includes no component made of rubber, silicone, elastomer, or metal.
  • the lid assembly 30 is made entirely of material having a flex modulus of 100,000 PSI or greater, such as between 100,000 and 450,000 PSI, as measured by ASTM D 790A.
  • the lid assembly 30 is made entirely of material having a tensile modulus of between 0.1 GPa to 12 GPa, and more particularly from 0.3 GPa to 4.5 GPa.
  • the lid assembly 30 includes no material having a tensile modulus less than 0.1 GPa.
  • the lid assembly 30 is made only of polyolefins, such as polypropylene, with an elastic moduli of about 2000 MPa (such between 1800 MPa and 2200 MPa), and a yield strength of about 20 MPa (such as between 15 MPa and 25 MPa). Elastic modulus and yield strength can be measured using ASTM D 638.
  • the spring 60 is curvilinear, and forms at least one convex arc 66 whose convexity extends away from the flange 40 in the height dimension 33 when the lid is in the open position 34.
  • the arc 66 is at least partially deformed toward the flange 40 in the height dimension 33, as representatively illustrated in Fig. 3B.
  • the spring 60 possesses stored potential energy (that is, when the lid 50 is in the closed position 36).
  • the convex arc 66 returns, and the spring 60 has no stored potential energy.
  • the lid 50 is held in the closed position 36 until the button 70 is pressed.
  • the spring 60 urges the lid 50 toward the open position 34.
  • the convex arc 66 is flanked by a pair of concave arcs 37A, 37B.
  • the concavity of each concave arc 37A, 37B extends away from the convex arc 66 in the height dimension 33.
  • the spring 60 has at least two, and more particularly at least three, and more particularly at least four, points of inflection when the lid is in the open position 34.
  • the flange 40 has an upper surface 46 lying in a first plane and the convex arc 66 of the spring 60 has an upper surface 68 lying in a second plane, and the second plane is above the first plane when the lid 50 is in the open position 34.
  • the spring 60 has a c-shape, an s-shape, an m-shape, or a w-shape.
  • Convex means having an outline or surface curved like the exterior of a circle or sphere.
  • Concave means having an outline or surface that curves inward like the interior of a circle or sphere.
  • the lid 50 defines a top side 55 and an underside 56.
  • the spring 60 exerts force against the underside 56 of the lid 50 in the height dimension 33 when the lid 50 is in the closed position 36.
  • the spring 60 exerts substantially no force against the lid 50 in the longitudinal dimension 31 when the lid is in the closed position 36.
  • the lid 50 includes a catch 51 and the button 70 includes a latch 71 , as representatively illustrated in Figs. 2A-2E.
  • the latch 71 is adapted to engage the catch 51 when the lid 50 is in the closed position 36, and to restrain the lid 50 in such closed position 36.
  • the button 70 is pressed, the latch 71 is moved so as to release the catch 51 , allowing the spring 60 to convert potential energy to kinetic energy and thereby urge the lid 50 toward the open position 34.
  • the flange 40 is hollow under an entirety of the convex arc 66. In other words, there is no material in the flange 40 directly under (under in the height dimension 33) the convex arc 66. In particular embodiments, the flange 40 is hollow under an entirety of the convex arc 66, and under an entirety of each concave arc 67 A, 67B. In other words, there is no material in the flange 40 directly under (under in the height dimension 33) the convex arc 66 and the concave arcs 67A, 67B. In particular embodiments, the flange 40 defines a hole 44 under the spring 60 (under in the height dimension 33). The hole 44 has a hole width 45 (Fig.
  • the lid assembly 30 can in particular embodiments be readily manufactured in conventional injection-molding or blow-molding equipment. If the assembly were created with another "layer” of material underneath the spring, it could be impractical or impossible to manufacture certain embodiments of the push-button lid of the present invention.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un ensemble couvercle, conçu pour former une partie d'un récipient de distribution, comprenant une bride en boucle fermée, et un couvercle étant relié à la bride et pivotant autour de cette dernière par l'intermédiaire d'une charnière. Un ressort est relié à la bride au niveau des première et seconde extrémités. La bride, le ressort, le couvercle et un bouton d'ouverture peuvent être formés ensemble d'une seule pièce. Dans une position fermée, le couvercle est empilé au-dessus de la bride dans une dimension de hauteur. Le ressort forme un arc convexe dont la convexité s'étend à l'opposé de la bride dans la dimension de hauteur lorsque le couvercle est dans la position ouverte. Le ressort peut être curviligne et présenter deux, trois, quatre points d'inflexion ou plus, par exemple en étant en forme de m ou de w.
PCT/US2018/040216 2018-06-29 2018-06-29 Ensemble couvercle présentant un couvercle qui s'ouvre, activé par un ressort curviligne, et récipient présentant ledit ensemble couvercle Ceased WO2020005267A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CN201880094587.3A CN112313155A (zh) 2018-06-29 2018-06-29 具有曲线弹簧激活的弹开式盖的盖组件及具有该组件的容器
KR1020217001523A KR102636872B1 (ko) 2018-06-29 2018-06-29 곡선형 스프링 활성화형 팝-오픈 뚜껑을 갖는 뚜껑 조립체, 및 이를 갖는 용기
AU2018429147A AU2018429147B2 (en) 2018-06-29 2018-06-29 Lid assembly having a curvilinear spring activated, pop-open lid, and container having same
PCT/US2018/040216 WO2020005267A1 (fr) 2018-06-29 2018-06-29 Ensemble couvercle présentant un couvercle qui s'ouvre, activé par un ressort curviligne, et récipient présentant ledit ensemble couvercle
BR112020026078-9A BR112020026078B1 (pt) 2018-06-29 Conjunto de tampa adaptado para fazer parte de um recipientedistribuidor e recipiente de distribuição
GB2100190.4A GB2590203B (en) 2018-06-29 2018-06-29 Lid assembly having a curvilinear spring activated, pop-open lid, and container having same
US16/316,812 US20200000296A1 (en) 2018-06-29 2018-06-29 Lid assembly having a curvilinear spring activated, pop-open lid, and container having same
MX2020013274A MX2020013274A (es) 2018-06-29 2018-06-29 Conjunto de tapa que tiene un resorte curvilineo activado, una tapa que se abre de repente y un contenedor que tiene la misma.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2018/040216 WO2020005267A1 (fr) 2018-06-29 2018-06-29 Ensemble couvercle présentant un couvercle qui s'ouvre, activé par un ressort curviligne, et récipient présentant ledit ensemble couvercle

Publications (1)

Publication Number Publication Date
WO2020005267A1 true WO2020005267A1 (fr) 2020-01-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2018/040216 Ceased WO2020005267A1 (fr) 2018-06-29 2018-06-29 Ensemble couvercle présentant un couvercle qui s'ouvre, activé par un ressort curviligne, et récipient présentant ledit ensemble couvercle

Country Status (7)

Country Link
US (1) US20200000296A1 (fr)
KR (1) KR102636872B1 (fr)
CN (1) CN112313155A (fr)
AU (1) AU2018429147B2 (fr)
GB (1) GB2590203B (fr)
MX (1) MX2020013274A (fr)
WO (1) WO2020005267A1 (fr)

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US20230225571A1 (en) * 2022-01-18 2023-07-20 Jose Robert T. Batungbacal, Iv Portable, self-adhesive disinfectant wipe container and method therefor

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MX2020013274A (es) 2021-02-22
AU2018429147A1 (en) 2021-01-21
CN112313155A (zh) 2021-02-02
KR102636872B1 (ko) 2024-02-20
BR112020026078A2 (pt) 2021-03-23
GB2590203A (en) 2021-06-23
KR20210027376A (ko) 2021-03-10
GB202100190D0 (en) 2021-02-24
AU2018429147B2 (en) 2024-10-24
US20200000296A1 (en) 2020-01-02
GB2590203B (en) 2023-04-12

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