EP3390242B1 - Packaging lid - Google Patents
Packaging lid Download PDFInfo
- Publication number
- EP3390242B1 EP3390242B1 EP16813154.8A EP16813154A EP3390242B1 EP 3390242 B1 EP3390242 B1 EP 3390242B1 EP 16813154 A EP16813154 A EP 16813154A EP 3390242 B1 EP3390242 B1 EP 3390242B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lid
- skirt
- container
- packaging
- strips
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004806 packaging method and process Methods 0.000 title claims description 48
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 235000013305 food Nutrition 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 239000000088 plastic resin Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 235000013350 formula milk Nutrition 0.000 description 4
- 238000007373 indentation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 235000015872 dietary supplement Nutrition 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
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- 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
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
- B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
- B65D51/246—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes provided with eating utensils or spatulas
- B65D51/247—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes provided with eating utensils or spatulas located between an inner and an outer closure
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/00074—Shape of the outer periphery curved
- B65D2543/00092—Shape of the outer periphery curved circular
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00222—Hollow and made of one piece
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00296—Plastic
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
- B65D2543/00527—NO contact
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00601—Snapping means on the container
- B65D2543/00611—Profiles
- B65D2543/00629—Massive bead
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00601—Snapping means on the container
- B65D2543/00675—Periphery concerned
- B65D2543/00685—Totality
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00712—Snapping means on the lid
- B65D2543/00722—Profiles
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00712—Snapping means on the lid
- B65D2543/00787—Periphery concerned
- B65D2543/00805—Segments
Definitions
- the present invention relates to a packaging lid for mounting over an (access) opening of a packaging container, said container being adapted in particular for packaging a powdered or granular food product and comprising a bottom and a circumferential wall which has an upper rim remote from the bottom, said upper rim defining the opening of the container.
- the lid comprises a top side that in a mounted state extends over the opening of the container and a skirt extending from the top side towards a lower end, wherein the skirt has on an inner side thereof resilient members adapted to cooperate with an outwardly projecting ridge on an outer side of the circumferential wall of the container so as to secure the lid to the container.
- Containers combined with lids for packaging powdered or granular food products are well known in the art.
- Typical powdered food product for which these kind of packagings are used are infant formula or dietary supplements.
- these kinds of packagings are provided with a scoop by which a metered dose of powdered product can be taken from the container.
- the containers may have a cylindrical shape or may have a box-like shape with a substantially rectangular cross-section.
- US 2015/0129597 discloses an example of such a packaging.
- This known packaging includes a lid comprising an annular base which is attached to an upper end of the packaging container.
- a covering lid in hingedly attached to the base and is movable between a closed position in which the packaging is sealed and an open position in which the user has access to the content of the container.
- a latching assembly is present between the base and the covering lid to maintain the covering lid in a closed position when no powdered food product has to be taken from the container.
- the annular base has a series of flexible lips distributed over its inner circumference. The flexible lips each have a hook member at a lower end thereof to hook behind an edge of a series of indentations formed on circumference of the container.
- the present invention has for an object to provide a lid in which the lid may be mounted on containers having different peripheral dimensions within a predefined range (thereby mitigating the problem induced by manufacturing tolerances).
- a packaging lid according to the preamble of claim 1 wherein the resilient members are formed as resilient elongate strips having two ends attached to the inner side of the skirt and formed as an arch which, in an unloaded state, has a rise with respect to the inner side of the skirt.
- the packaging lid according to the invention is mounted on the packaging container by placing the skirt with the lower end around the upper end of the container and then pushing it downwards.
- the arch formed strips are flattened when they contact the outwardly projecting ridge of the container and move beyond it. When the arch formed strips are beyond the outwardly projecting ridge they snap under said ridge so as to block removal of the lid from the container.
- the arch formed strips extend radially inward as far as the outer side of the circumferential wall of the container allows. Thus depending on the outer dimension of the container, the arch will return to its original shape or to a partially flattened shape. This provides a flexibility in the construction which allows compensation for dimensional variations in container and lid due to manufacturing tolerances.
- the packaging lid according to the invention is preferably made of plastics material by injection molding. Suitable plastics material could be a PP or PE resin. It is also possible to make the lid of a combination of materials, like for example a combination of PP and TPE.
- the arch formed strips are preferably arranged in a circumferentially distributed fashion over the inner surface of the skirt.
- the strips extend in a substantial tangential direction of the inner wall of the skirt.
- the strips have a lead-in edge to facilitate compression of the arch of the strip while moving the strip past said outwardly projecting ridge during mounting of the lid on the container.
- the lead-in edge guides the strip onto the projecting ridge and induces compression of the arch of the strip. Thereby the movement of the strip on and beyond the ridge is made easier. Thus the capping of the container is made easier.
- said lead-in edge has a slanting surface. This facilitates the guiding effect of the edge onto the ridge.
- the lead-in edge may have a curved or pointed shape, wherein, seen in a radial direction of the lid, the lead-in edge at the ends of the strip is located closer to the lower end of the skirt than at the centre of the strip.
- This shape has the effect that the strip is gradually compressed towards the centre of the strip by the outwardly projecting ridge of the container. This gradual compression reduces resistance caused by the strips during the mounting of the lid on the container.
- the strips have a retaining edge opposite the lead in edge to engage an underside of said outwardly projecting ridge to retain the lid on the container.
- the strips formed as arches are first compressed when they move along the projecting ridge of the container.
- the strips have moved beyond said projecting ridge they expand again and the retaining edge of the strip hooks behind the projecting ridge.
- the retaining edge forms an abutment for said ridge which prevents that the lid can be withdrawn from the container.
- the retaining edge is straight between the ends of the strip, which provides a tight fix of the lid on the container.
- the retaining edge is preferably perpendicular to a front side of the strip. Also an acute angle between the retaining edge and a front side of the strip may be possible. In this way it is nearly impossible to remove the lid from the container without the use of undue force.
- the strips are adapted to rupture if the lid is removed from the container.
- the strips constitute a tamper-evident feature that indicates that the lid has been removed from the container.
- the arch is formed as a pointed segmental arch which comprises two segments which extend from the respective strip ends towards a join where the two segments join under an obtuse angle with respect to each other.
- the segments are substantially linear.
- the segments are substantially curved.
- the arch has a continuous curve shape.
- the arch has substantially a "W" shape.
- the lid is of the type having a hingable cover.
- the lid comprises an annular base including said skirt attachable to the container and defining an access opening, and the lid furthermore comprises a cover that is hingedly connected to the annular base and which is moveable between an open position in which the access opening is free and a closed position in which the access opening is covered.
- This embodiment is in practise a convenient lid to use with containers containing infant formula or other powdered food product. The lid can be readily opened everytime the product has to be taken from the container, for example with a scoop, and then be readily reclosed.
- the lid according to this practical embodiment can be formed in one piece, such that the annular base and the cover are formed with an integral living hinge which connects them.
- the lid is an assembled piece in which the base and the cover are formed separately and are assembled and connected by a hinge structure.
- the skirt comprises a lower skirt portion and an upper skirt portion.
- the upper skirt portion is integrally connected to the top side of the lid.
- the lower skirt portion contains the arch formed strips.
- the lower skirt portion and upper skirt portion are connected by one or more frangible connections.
- the frangible connection may for example be constituted by frangible connection members or for example by a continuous weakening line (tearing line) provided in the skirt.
- the lid of this type can be mounted as is described in the above. To open the lid for the first time, the lower skirt portion and the upper skirt portion must be separated by rupturing the frangible connection.
- the lid with the upper skirt portion can be replaced after first time opening and will be retained by some snap or clamp connection between the upper skirt portion and the container or the lower skirt portion.
- the invention also relates to a method to manufacture a lid as described in the above.
- the invention also relates to a method for manufacturing a packaging lid, wherein the lid comprises a top side and a skirt extending from the the top side, and wherein the skirt has on an inner side thereof resilient elongate strips having two ends attached to the inner side of the skirt and formed as an arch which, in an unloaded state, has a rise with respect to the inner side of the skirt.
- an injection mold is provided defining a cavity to mold the packaging lid, said injection mold comprising two mold halves, movable core parts to define at least a part of the inner surface of the skirt and the upper edge of the strips, core parts to define the back side of the strips, and a movable ejector.
- a melt of plastic resin is injected in the mold cavity defined by the mold halves and the core parts. After the melt has been injected and sufficiently cured the movable core parts are moved inwards so as to release the strips, and the ejector pushes the formed lid away from the mold half and beyond the movable core parts so as to release the formed packaging lid from the mold.
- Fig. 1 a packaging lid 1 for mounting on a container for for example baby formula, or another powdered or granular food product.
- the lid comprises a top side 2 and a skirt 3 that extends from the top side 2 toward a lower end 30 of the skirt.
- the top side is a closed plate.
- the lid comprises an annular base 4 including a skirt 3 attachable to the container and defining an access opening.
- the lid furthermore comprises a cover 5 that is hingedly connected to the annular base 4 by a hinge 6 and which is moveable between an open position in which the access opening is free and a closed position (shown in Fig. 7 ) in which the access opening is covered.
- Either of the lid types is an injection molded product made of a plastic resin, such as a PP or a PE resin.
- a plastic resin such as a PP or a PE resin.
- the entire lid, including the resilient strips, is then formed of the same material.
- the lid is made by a 2K injection molding process.
- An example could be a lid formed of the components polypropylene (PP) and a thermoplastic elastomere (TPE).
- PP polypropylene
- TPE thermoplastic elastomere
- a 2K injection molding process could also allow to make the strips from a different material as the skirt.
- Fig. 1 For a further explanation of the invention reference is made to Fig. 1 , but it is to be understood that the features are also applied in a lid of the type as is shown in Fig. 7 .
- the skirt 3 has an inner side 31. Distributed over the circumference there are formed ribs 32 on the inner side 31 of the skirt 3.
- the ribs 32 extend in an axial direction.
- the ribs 32 have a lower end 33 that abuts an upper rim of the container when the lid 1 is mounted on the container.
- the ribs 32 have an upper end that may adjoin the top side 2 as is shown in Fig.1 , but in another embodiment the upper end of the rib 32 may also be spaced apart from the top side 2.
- the ribs 32 have a reinforcing effect, and make the lid 1 stiffer.
- ribs 32 are practical but not essential. Also a narrowing in the skirt or a circumferential rim on the inner side of the skirt can provide an abutment for the upper rim of the container and provide a reinforcing effect.
- resilient strips 35 On the inner side 31 of the skirt 3, near a lower end thereof, are formed resilient strips 35 which are formed as an arch. The resilient strips 35 are distributed over the circumference of the skirt 3.
- Each strip 35 has two ends 36 attached to the inner side 31 of the skirt 3.
- the strips 35 extend substantially in the tangential direction of the skirt 3 as can be seen in Fig. 1 .
- the arch In an unloaded state, which is shown in Fig. 1 and in more detail in Fig. 2 , the arch has a rise h with respect to the inner side 31 of the skirt 3.
- the arch is in the specific embodiment shown in the figures 1 - 6 a pointed segmental arch which comprises two substantially linear segments 37 which extend from the respective strip ends 36 towards a join 38 in the centre, where the two segments 37 join under an obtuse angle with respect to each other as is best seen in Fig. 2 .
- the arch shape can also be differently shaped as is shown in Figs. 1 - 6 .
- Fig. 11 is shown an example wherein a resilient strip 35' is formed that has a continuously curved arch shape.
- Fig. 12 is shown another example wherein a resilient strip 35" is formed that generally has a "W" shape.
- the given examples should not be interpreted as limiting for the invention; also other arch shapes are conceivable within the scope of the invention.
- Fig. 6 shows a detail of the lid 1 mounted on a container 40.
- the container 40 has at its upper end an outwardly projecting ridge 42.
- Each of the strips 35 has a lower edge 35A which is slanting. This is best seen in the cross sectional view of Fig. 6 .
- the slanting edge 35A works as lead in edge that facilitates compression of the arch of the strip 35 while moving the strip 35 past the outwardly projecting ridge 42 during mounting of the lid 1 on the container.
- a compressed strip 35 is shown from above in Fig. 3 .
- each of the strips 35 has a straight upper edge 35B.
- This straight upper edge 35B functions as a retaining edge which engages an underside of said outwardly projecting ridge 42 to retain the lid 1 on the container 40. This is best seen in the cross sectional view of Fig. 6 .
- the arched strips 35 provide a flexibility in the construction which allows compensation for variations in the outer diameter of the container wall 41 and/or variations in the inner diameter of the lid due to manufacturing tolerances.
- the packaging lid 1 is mounted on the packaging container by placing the skirt 3 around the upper end of the container 40 and then pushing it downwards.
- the arch formed strips 35 are flattened when they contact the outwardly projecting ridge 42 of the container 40 and move beyond it. When the arch formed strips 35 are beyond the outwardly projecting ridge 42 they snap under said ridge 42 so as to block removal of the lid 1 from the container 40.
- the arch formed strips 35 extend radially inward as far as the outer side of the circumferential wall 41 of the container 40 allows.
- the arch will return to its original shape as is shown in Fig. 5 or to a partially flattened shape as is shown in Fig. 4 .
- the problem of varying dimensions for example due to manufacturing tolerances of the different parts, is resolved.
- the container and the lid have a circular cross section. It is noted however that also other cross sectional shapes of the container and the corresponding lid are conceivable. One can think of for example an essentially rectangular cross section with rounded corners, which is a quite common shape for packagings for infant formula.
- Figs 8 - 10 a possible working of a mold for the production of a lid of Fig. 1 is shown. Only a part of the cross section of the mold and the lid 1 is shown.
- Fig. 8 the mold 50 is shown in a closed state just after the lid 1 is formed out of a suitable plastic resin, such as a polypropylene (PP) resin.
- the mold 50 has mold halves 51 and 52. Furthermore the mold has core parts 53 and 56, movable core parts 54 each operable by a pin 55.
- the mold also includes an ejector comprising a movable ejector ring 58 operable by one or more pins 57.
- the core 53 and the movable core 54 have a slanting interface 59.
- the core 54 slides along the slanting interface 59.
- the movable core 54 is moved away from the mold half 52, it simultaneously moves radially inwards and vice versa.
- the mold half 52 defines the front side and the slanting edge 35A of the strips 35.
- the core part 56 forms the back side of the strips 35 as can be clearly seen in Fig. 8 .
- Furthermore the straight retaining edge 35B of the strips 35 is defined by the movable core 54.
- Fig. 9 shows a first ejection step in which the mold half 51 is moved apart from the mold half 52.
- the movable core part 54 and the ejector ring 58 are moved away from the mold half 52 whereby the lid 1 is ejected from the mold half 52.
- the movable core part 54 also moves radially inward whereby the strips 35 formed on the inner side of the skirt 3 can pass beyond the core part.
- Fig. 10 shows that the movable core part 54 has stopped and that the ejector ring 58 is moved on in a second ejection step so as to raise the upper side 2 of the lid 1 of the movable core part 54 and to move the resilient strips 35 beyond the movable core 54. In this way the skirt 3 of the lid 1 is ejected entirely from the mold half 52 and the core parts 56.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Description
- The present invention relates to a packaging lid for mounting over an (access) opening of a packaging container, said container being adapted in particular for packaging a powdered or granular food product and comprising a bottom and a circumferential wall which has an upper rim remote from the bottom, said upper rim defining the opening of the container. The lid comprises a top side that in a mounted state extends over the opening of the container and a skirt extending from the top side towards a lower end, wherein the skirt has on an inner side thereof resilient members adapted to cooperate with an outwardly projecting ridge on an outer side of the circumferential wall of the container so as to secure the lid to the container.
- Containers combined with lids for packaging powdered or granular food products are well known in the art. Typical powdered food product for which these kind of packagings are used are infant formula or dietary supplements. Often these kinds of packagings are provided with a scoop by which a metered dose of powdered product can be taken from the container. The containers may have a cylindrical shape or may have a box-like shape with a substantially rectangular cross-section.
-
US 2015/0129597 discloses an example of such a packaging. This known packaging includes a lid comprising an annular base which is attached to an upper end of the packaging container. A covering lid in hingedly attached to the base and is movable between a closed position in which the packaging is sealed and an open position in which the user has access to the content of the container. A latching assembly is present between the base and the covering lid to maintain the covering lid in a closed position when no powdered food product has to be taken from the container. The annular base has a series of flexible lips distributed over its inner circumference. The flexible lips each have a hook member at a lower end thereof to hook behind an edge of a series of indentations formed on circumference of the container. During mounting of the lid on the container, the hook members slide over the surface of the upper portion of the container. Thereby the flexible lips are flexed outwards. When the hook members reach the indentations, the hook members snap into the indentations due to the resilience of the lips. This known packaging requires an accurate match between the dimensions of the lid and of the container. In general, the lid can be mounted only on a container with accurately matching peripheral dimensions. In practise, different tolerances in manufacturing the lid and the container may lead to problems in the compatibility between the lid and the container. A packaging lid according to the preamble ofclaim 1 is also known from the patentDE651344C . - The present invention has for an object to provide a lid in which the lid may be mounted on containers having different peripheral dimensions within a predefined range (thereby mitigating the problem induced by manufacturing tolerances).
- This object is achieved by a packaging lid according to the preamble of
claim 1, wherein the resilient members are formed as resilient elongate strips having two ends attached to the inner side of the skirt and formed as an arch which, in an unloaded state, has a rise with respect to the inner side of the skirt. - The packaging lid according to the invention is mounted on the packaging container by placing the skirt with the lower end around the upper end of the container and then pushing it downwards. The arch formed strips are flattened when they contact the outwardly projecting ridge of the container and move beyond it. When the arch formed strips are beyond the outwardly projecting ridge they snap under said ridge so as to block removal of the lid from the container. The arch formed strips extend radially inward as far as the outer side of the circumferential wall of the container allows. Thus depending on the outer dimension of the container, the arch will return to its original shape or to a partially flattened shape. This provides a flexibility in the construction which allows compensation for dimensional variations in container and lid due to manufacturing tolerances.
- The packaging lid according to the invention is preferably made of plastics material by injection molding. Suitable plastics material could be a PP or PE resin. It is also possible to make the lid of a combination of materials, like for example a combination of PP and TPE. The arch formed strips are preferably arranged in a circumferentially distributed fashion over the inner surface of the skirt.
- In a preferred embodiment of the packaging lid the strips extend in a substantial tangential direction of the inner wall of the skirt.
- In a further embodiment the strips have a lead-in edge to facilitate compression of the arch of the strip while moving the strip past said outwardly projecting ridge during mounting of the lid on the container. The lead-in edge guides the strip onto the projecting ridge and induces compression of the arch of the strip. Thereby the movement of the strip on and beyond the ridge is made easier. Thus the capping of the container is made easier.
In a possible embodiment said lead-in edge has a slanting surface. This facilitates the guiding effect of the edge onto the ridge. - In a further embodiment the lead-in edge may have a curved or pointed shape, wherein, seen in a radial direction of the lid, the lead-in edge at the ends of the strip is located closer to the lower end of the skirt than at the centre of the strip. This shape has the effect that the strip is gradually compressed towards the centre of the strip by the outwardly projecting ridge of the container. This gradual compression reduces resistance caused by the strips during the mounting of the lid on the container.
- In a further embodiment the strips have a retaining edge opposite the lead in edge to engage an underside of said outwardly projecting ridge to retain the lid on the container. When the lid is mounted on the container, the strips formed as arches are first compressed when they move along the projecting ridge of the container. When the strips have moved beyond said projecting ridge they expand again and the retaining edge of the strip hooks behind the projecting ridge. The retaining edge forms an abutment for said ridge which prevents that the lid can be withdrawn from the container.
- Preferably the retaining edge is straight between the ends of the strip, which provides a tight fix of the lid on the container.
- The retaining edge is preferably perpendicular to a front side of the strip. Also an acute angle between the retaining edge and a front side of the strip may be possible. In this way it is nearly impossible to remove the lid from the container without the use of undue force.
- In a possible advantageous embodiment the strips are adapted to rupture if the lid is removed from the container. In this way the strips constitute a tamper-evident feature that indicates that the lid has been removed from the container.
- In a preferred embodiment of the packaging lid according to the invention, the arch is formed as a pointed segmental arch which comprises two segments which extend from the respective strip ends towards a join where the two segments join under an obtuse angle with respect to each other. In one possible specific embodiment the segments are substantially linear. In another possible specific embodiment the segments are substantially curved.
In an alternative embodiment the arch has a continuous curve shape. - In another possible alternative embodiment the arch has substantially a "W" shape.
In a practical embodiment of the lid according to the invention the lid is of the type having a hingable cover. The lid comprises an annular base including said skirt attachable to the container and defining an access opening, and the lid furthermore comprises a cover that is hingedly connected to the annular base and which is moveable between an open position in which the access opening is free and a closed position in which the access opening is covered. This embodiment is in practise a convenient lid to use with containers containing infant formula or other powdered food product. The lid can be readily opened everytime the product has to be taken from the container, for example with a scoop, and then be readily reclosed. The lid according to this practical embodiment can be formed in one piece, such that the annular base and the cover are formed with an integral living hinge which connects them. Another option is that the lid is an assembled piece in which the base and the cover are formed separately and are assembled and connected by a hinge structure. - In another conceivable embodiment of a lid according to the invention the skirt comprises a lower skirt portion and an upper skirt portion. The upper skirt portion is integrally connected to the top side of the lid. The lower skirt portion contains the arch formed strips. The lower skirt portion and upper skirt portion are connected by one or more frangible connections. The frangible connection may for example be constituted by frangible connection members or for example by a continuous weakening line (tearing line) provided in the skirt. The lid of this type can be mounted as is described in the above. To open the lid for the first time, the lower skirt portion and the upper skirt portion must be separated by rupturing the frangible connection. The lid with the upper skirt portion can be replaced after first time opening and will be retained by some snap or clamp connection between the upper skirt portion and the container or the lower skirt portion.
- The invention also relates to a method to manufacture a lid as described in the above.
- In particular the invention also relates to a method for manufacturing a packaging lid, wherein the lid comprises a top side and a skirt extending from the the top side, and wherein the skirt has on an inner side thereof resilient elongate strips having two ends attached to the inner side of the skirt and formed as an arch which, in an unloaded state, has a rise with respect to the inner side of the skirt. In the method an injection mold is provided defining a cavity to mold the packaging lid, said injection mold comprising two mold halves, movable core parts to define at least a part of the inner surface of the skirt and the upper edge of the strips, core parts to define the back side of the strips, and a movable ejector. A melt of plastic resin is injected in the mold cavity defined by the mold halves and the core parts. After the melt has been injected and sufficiently cured the movable core parts are moved inwards so as to release the strips, and the ejector pushes the formed lid away from the mold half and beyond the movable core parts so as to release the formed packaging lid from the mold.
- The invention will be elucidated in the following description with reference to the drawing, in which:
-
Fig. 1 shows a view in perspective of a packaging lid according to the invention; -
Fig. 2 shows a detail of the lid ofFig. 1 seen from below, with a resilient member in an expanded state; -
Fig. 3 shows the same detail asFig. 2 , but with the resilient member in a compressed state; -
Fig. 4 shows a part of a cross section perpendicular to the central axis of the container of the lid ofFig. 1 mounted on a container with a certain diameter; -
Fig. 5 shows the same detail asFig. 4 , but with the lid mounted on a container with a smaller diameter; -
Fig. 6 shows a cross section according to the line II-II indicated inFig. 5 of a detail of the lid ofFig. 1 mounted on a packaging container; -
Fig. 7 shows in perpsective another embodiment of a packaging lid according to the invention; -
Fig. 8 shows in a cross section a part of a mold in which the lid ofFig. 1 is formed; -
Fig. 9 shows in a cross section the opened mold ofFig. 8 during a first ejection step; -
Fig. 10 shows in a cross section the opened mold ofFig. 8 during a second ejection step; -
Fig. 11 shows a part of a lid from below with a resilient member having another shape as is shown inFigs 1 - 6 ; and -
Fig. 12 shows a part of a lid from below with a resilient member having yet another shape. - In
Fig. 1 is shown apackaging lid 1 for mounting on a container for for example baby formula, or another powdered or granular food product. The lid comprises atop side 2 and askirt 3 that extends from thetop side 2 toward alower end 30 of the skirt. In the shown embodiment the top side is a closed plate. - In another embodiment of a lid according to the invention, which by way of example is shown in
Fig. 7 , the lid comprises anannular base 4 including askirt 3 attachable to the container and defining an access opening. In this embodiment the lid furthermore comprises acover 5 that is hingedly connected to theannular base 4 by ahinge 6 and which is moveable between an open position in which the access opening is free and a closed position (shown inFig. 7 ) in which the access opening is covered. - Either of the lid types is an injection molded product made of a plastic resin, such as a PP or a PE resin. The entire lid, including the resilient strips, is then formed of the same material.
- It is is also possible that the lid is made by a 2K injection molding process. An example could be a lid formed of the components polypropylene (PP) and a thermoplastic elastomere (TPE).
A 2K injection molding process could also allow to make the strips from a different material as the skirt. - For a further explanation of the invention reference is made to
Fig. 1 , but it is to be understood that the features are also applied in a lid of the type as is shown inFig. 7 . - The
skirt 3 has aninner side 31. Distributed over the circumference there are formedribs 32 on theinner side 31 of theskirt 3. Theribs 32 extend in an axial direction. Theribs 32 have alower end 33 that abuts an upper rim of the container when thelid 1 is mounted on the container. Theribs 32 have an upper end that may adjoin thetop side 2 as is shown inFig.1 , but in another embodiment the upper end of therib 32 may also be spaced apart from thetop side 2. Theribs 32 have a reinforcing effect, and make thelid 1 stiffer. - It is noted here that the
ribs 32 are practical but not essential. Also a narrowing in the skirt or a circumferential rim on the inner side of the skirt can provide an abutment for the upper rim of the container and provide a reinforcing effect. - On the
inner side 31 of theskirt 3, near a lower end thereof, are formedresilient strips 35 which are formed as an arch. The resilient strips 35 are distributed over the circumference of theskirt 3. - Each
strip 35 has two ends 36 attached to theinner side 31 of theskirt 3. Thestrips 35 extend substantially in the tangential direction of theskirt 3 as can be seen inFig. 1 . In an unloaded state, which is shown inFig. 1 and in more detail inFig. 2 , the arch has a rise h with respect to theinner side 31 of theskirt 3. - The arch is in the specific embodiment shown in the
figures 1 - 6 a pointed segmental arch which comprises two substantiallylinear segments 37 which extend from the respective strip ends 36 towards ajoin 38 in the centre, where the twosegments 37 join under an obtuse angle with respect to each other as is best seen inFig. 2 . - It is noted that the arch shape can also be differently shaped as is shown in
Figs. 1 - 6 . InFig. 11 is shown an example wherein a resilient strip 35' is formed that has a continuously curved arch shape. InFig. 12 is shown another example wherein aresilient strip 35" is formed that generally has a "W" shape. The given examples should not be interpreted as limiting for the invention; also other arch shapes are conceivable within the scope of the invention. -
Fig. 6 shows a detail of thelid 1 mounted on acontainer 40. Thecontainer 40 has at its upper end an outwardly projectingridge 42. Each of thestrips 35 has alower edge 35A which is slanting. This is best seen in the cross sectional view ofFig. 6 . The slantingedge 35A works as lead in edge that facilitates compression of the arch of thestrip 35 while moving thestrip 35 past the outwardly projectingridge 42 during mounting of thelid 1 on the container. Acompressed strip 35 is shown from above inFig. 3 . - Opposite the lead-in edge each of the
strips 35 has a straightupper edge 35B. This straightupper edge 35B functions as a retaining edge which engages an underside of said outwardly projectingridge 42 to retain thelid 1 on thecontainer 40. This is best seen in the cross sectional view ofFig. 6 . - The
arched strips 35 provide a flexibility in the construction which allows compensation for variations in the outer diameter of thecontainer wall 41 and/or variations in the inner diameter of the lid due to manufacturing tolerances. Thepackaging lid 1 is mounted on the packaging container by placing theskirt 3 around the upper end of thecontainer 40 and then pushing it downwards. The arch formedstrips 35 are flattened when they contact the outwardly projectingridge 42 of thecontainer 40 and move beyond it. When the arch formedstrips 35 are beyond the outwardly projectingridge 42 they snap under saidridge 42 so as to block removal of thelid 1 from thecontainer 40. The arch formedstrips 35 extend radially inward as far as the outer side of thecircumferential wall 41 of thecontainer 40 allows. Depending on the outer dimension of thecontainer 40, the arch will return to its original shape as is shown inFig. 5 or to a partially flattened shape as is shown inFig. 4 . Hence, the problem of varying dimensions, for example due to manufacturing tolerances of the different parts, is resolved. - In the examples given in the figures the container and the lid have a circular cross section. It is noted however that also other cross sectional shapes of the container and the corresponding lid are conceivable. One can think of for example an essentially rectangular cross section with rounded corners, which is a quite common shape for packagings for infant formula.
- In
Figs 8 - 10 a possible working of a mold for the production of a lid ofFig. 1 is shown. Only a part of the cross section of the mold and thelid 1 is shown. - In
Fig. 8 themold 50 is shown in a closed state just after thelid 1 is formed out of a suitable plastic resin, such as a polypropylene (PP) resin. Themold 50 hasmold halves core parts movable core parts 54 each operable by apin 55. The mold also includes an ejector comprising amovable ejector ring 58 operable by one or more pins 57. - In the embodiment shown the
core 53 and themovable core 54 have a slantinginterface 59. When thecore 54 is moved it slides along the slantinginterface 59. When themovable core 54 is moved away from themold half 52, it simultaneously moves radially inwards and vice versa. - The
mold half 52 defines the front side and the slantingedge 35A of thestrips 35. Thecore part 56 forms the back side of thestrips 35 as can be clearly seen inFig. 8 . Furthermore thestraight retaining edge 35B of thestrips 35 is defined by themovable core 54. -
Fig. 9 shows a first ejection step in which themold half 51 is moved apart from themold half 52. Themovable core part 54 and theejector ring 58 are moved away from themold half 52 whereby thelid 1 is ejected from themold half 52. Themovable core part 54 also moves radially inward whereby thestrips 35 formed on the inner side of theskirt 3 can pass beyond the core part. -
Fig. 10 shows that themovable core part 54 has stopped and that theejector ring 58 is moved on in a second ejection step so as to raise theupper side 2 of thelid 1 of themovable core part 54 and to move theresilient strips 35 beyond themovable core 54. In this way theskirt 3 of thelid 1 is ejected entirely from themold half 52 and thecore parts 56.
Claims (15)
- Packaging lid (1) for mounting over an access opening of a packaging container (40), said container being adapted in particular for packaging a powdered or granular food product and comprising a bottom and a circumferential wall which has an upper rim remote from the bottom, said upper rim defining the opening of the container,
wherein the lid (1) comprises a top side (2) that in a mounted state extends over the opening of the container (40) and a skirt (3) extending from the the top side (2) towards a lower end (30), wherein the skirt (3) has on an inner side (31) thereof resilient members (35) adapted to cooperate with an outwardly projecting ridge (42) on an outer side of the circumferential wall of the container (40) so as to secure the lid (1) to the container (40),
characterized in that the resilient members are formed as resilient elongate strips (35) having two ends (36) attached to the inner side (31) of the skirt (3) and formed as an arch which, in an unloaded state, has a rise with respect to the inner side (31) of the skirt (3). - Packaging lid according to claim 1, wherein the strips (35) extend in a substantial tangential direction of the inner side (31) of the skirt (3).
- Packaging lid according to claim 1 or 2, wherein the strips (35) have a lead-in edge (35A) to facilitate compression of the arch of the strip (35) while moving the strip (35) past said outwardly projecting ridge (42) during mounting of the lid (1) on the container (40).
- Packaging lid according to claim 3, wherein the lead-in edge (35A) has a slanting surface.
- Packaging lid according to claim 3 or 4, wherein the lead-in edge (35A) has a curved or pointed shape, wherein, seen in a radial direction of the lid (1), the lead-in edge (35A) at the ends (36) of the strip (35) is located closer to the lower end (30) of the skirt (3) than at a centre (38A) of the strip (35).
- Packaging lid according to any of the preceding claims, wherein the strips (35) have a retaining edge (35B) opposite the lead-in edge (35A) to engage an underside of said outwardly projecting ridge (42) to retain the lid (1) on the container (40).
- Packaging lid according to claim 6, wherein the retaining edge (35B) is straight between the ends (36) of the strip (35).
- Packaging lid according to any of the preceding claims, wherein the arch is formed as a pointed segmental arch which comprises two segments (37) which extend from the respective strip ends (36) towards a join (38) where the two segments (37) join under an obtuse angle with respect to each other.
- Packaging lid according to claim 8, wherein said segments (37) are substantially linear or substantially curved.
- Packaging lid according to any of the claims 1 - 7, wherein the arch has a continuous curve shape.
- Packaging lid according to any of the preceding claims, wherein the lid (1) comprises an annular base (4) including said skirt (3) attachable to the container and defining an access opening, and wherein the lid furthermore comprises a cover (5) that is hingedly connected to the annular base (4) and which is moveable between an open position in which the access opening is free and a closed position in which the access opening is covered.
- Packaging lid according to any of the claims 1 - 10, wherein the skirt comprises an upper skirt portion and a lower skirt portion, the upper skirt portion being integrally connected to the top side of the lid and the lower skirt portion containing the arch formed strips, wherein the lower skirt portion and upper skirt portion are connected by one or more frangible connections.
- Packaging lid according to any of the preceding claims, wherein the lid (1) is made of plastics material.
- Packaging lid according to any of the preceding claims, wherein the lid (1) is injection molded, preferably is formed by 2K injection molding, wherein the strips (35) are formed of a different material than the skirt (3).
- Method for manufacturing a packaging lid, wherein the lid (1) comprises a top side (2) and a skirt (3) extending from the the top side (2), and wherein the skirt (3) has on an inner side (31) thereof resilient elongate strips (35) having two ends (36) attached to the inner side (31) of the skirt (3) and formed as an arch which, in an unloaded state, has a rise with respect to the inner side (31) of the skirt (3),
in which method an injection mold (50) is provided defining a cavity to mold the packaging lid (1), said injection mold comprising two mold halves (51, 52), movable core parts (54) to define at least a part of the inner surface of the skirt (3) and the upper edge of the strips, core parts (56) to define the back side of the strips (35), and a movable ejector (57, 58),
in which a melt of plastic resin is injected in the mold cavity defined by the mold halves and the core parts, and wherein
after the melt has been injected and sufficiently cured the movable core parts (54) are moved inwards so as to release the strips (35), and
the ejector (57, 58) pushes the formed lid (1) away from the mold half (52) and beyond the movable core parts (54) so as to release the formed packaging lid (1) from the mold (50).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16813154T PL3390242T3 (en) | 2015-12-17 | 2016-12-06 | Packaging lid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2015979A NL2015979B1 (en) | 2015-12-17 | 2015-12-17 | Packaging lid. |
PCT/NL2016/050847 WO2017105224A1 (en) | 2015-12-17 | 2016-12-06 | Packaging lid |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3390242A1 EP3390242A1 (en) | 2018-10-24 |
EP3390242B1 true EP3390242B1 (en) | 2019-11-06 |
Family
ID=55587313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16813154.8A Active EP3390242B1 (en) | 2015-12-17 | 2016-12-06 | Packaging lid |
Country Status (7)
Country | Link |
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US (1) | US20190177045A1 (en) |
EP (1) | EP3390242B1 (en) |
CN (1) | CN108463412A (en) |
ES (1) | ES2765743T3 (en) |
NL (1) | NL2015979B1 (en) |
PL (1) | PL3390242T3 (en) |
WO (1) | WO2017105224A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD891923S1 (en) * | 2017-11-12 | 2020-08-04 | Yun Lin | Container lid |
CA3118914A1 (en) | 2018-11-06 | 2020-05-14 | Roquette Freres | Packaging with tamper-evident seal |
US12024347B2 (en) * | 2021-07-15 | 2024-07-02 | The Coleman Company, Inc. | Overmolded seal member |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE651344C (en) * | 1937-10-12 | Robert Dette | Snap lid for cans | |
GB417906A (en) * | 1934-01-11 | 1934-10-15 | Robert Dette | Lid for boxes and like containers especially for preserve tins |
US2587737A (en) * | 1947-11-26 | 1952-03-04 | Breda Inc | Cap closure |
US2587738A (en) * | 1948-10-09 | 1952-03-04 | Breda Inc | Container closure |
US3814278A (en) * | 1972-05-08 | 1974-06-04 | F Beierle | Barrel top fastener |
US3871544A (en) * | 1972-10-24 | 1975-03-18 | Continental Can Co | Child-proof closure cap |
US4119239A (en) * | 1976-05-24 | 1978-10-10 | Cities Service Company | Container lock device |
US5538154A (en) * | 1993-06-14 | 1996-07-23 | Von Holdt; John W. | Snap-on, flexible lid |
JP2881290B2 (en) * | 1995-05-29 | 1999-04-12 | 岐阜プラスチック工業株式会社 | Lid for easy-open closed container |
EP0909719B1 (en) * | 1997-10-15 | 2002-07-24 | Taisei Kako Co., Ltd., | Closure for vial container |
US6854616B2 (en) * | 2002-04-30 | 2005-02-15 | Alliance Plastics | Protective valve cap |
SI2537771T1 (en) * | 2011-06-21 | 2015-10-30 | Drug Plastics & Glass Company, Inc. | Child resistant cap and container assembly |
US9108776B2 (en) * | 2012-03-09 | 2015-08-18 | Wki Holding Company, Inc. | Lid, and container system and lid |
ES2610243T3 (en) | 2012-04-27 | 2017-04-26 | Abbott Laboratories | Lid attached to a container by a ring |
DE202012103382U1 (en) * | 2012-06-08 | 2013-09-10 | Rpc Bramlage Gmbh | container |
-
2015
- 2015-12-17 NL NL2015979A patent/NL2015979B1/en not_active IP Right Cessation
-
2016
- 2016-12-06 PL PL16813154T patent/PL3390242T3/en unknown
- 2016-12-06 ES ES16813154T patent/ES2765743T3/en active Active
- 2016-12-06 CN CN201680073875.1A patent/CN108463412A/en active Pending
- 2016-12-06 EP EP16813154.8A patent/EP3390242B1/en active Active
- 2016-12-06 US US16/061,414 patent/US20190177045A1/en not_active Abandoned
- 2016-12-06 WO PCT/NL2016/050847 patent/WO2017105224A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
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EP3390242A1 (en) | 2018-10-24 |
CN108463412A (en) | 2018-08-28 |
PL3390242T3 (en) | 2020-06-29 |
ES2765743T3 (en) | 2020-06-10 |
US20190177045A1 (en) | 2019-06-13 |
NL2015979B1 (en) | 2017-07-05 |
NL2015979A (en) | 2017-06-27 |
WO2017105224A1 (en) | 2017-06-22 |
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