DE60303008T2 - RE-LOCKABLE LID FOR A CONTAINER - Google Patents

Abstract

The present invention relates to a relockable closure ( 1 ) for a container, in particular for metal containers for storage of e.g. chemicals/solvents. The relockable closure comprises a non-plastic cover (e.g. a metal cover) ( 3 ) covering the opening of the container and a non-metallic skirt (e.g. a plastic skirt) ( 4 ) a part of which is foldable between a locking position and a unlocking position. When the foldable part of the skirt is in the locking position, locking means ( 8 ) of the skirt engage a curl portion or a projection the container.

Description

The The present invention relates to a resealable closure for a Container, especially for metal containers for storing, for example, chemicals / solvents.

background the invention

A Storage or storage of chemicals or other liquids, including solvents, requires a container not made of plastic, to prevent leakage, which is due to the fact that the solvents the material of the container to solve. In particular, oil-based paint must be used or paint in a container not stored in plastic such as a metal container become. An opening a metal container is very difficult as it is often a sharp and pointed object (For example, a screwdriver) required between the Lid and the container can be plugged to lift the lid. Furthermore required closing a such container a relatively high pressure on the lid (or even the use a hammer) to close the lid tightly in the opening of the container to press.

From the prior art, it is known to provide a bendable edge portion on a lid which extends downwardly along the outer surface of the container and which has a ledge which engages an edge of the container about the lid to hold on to the container. However, the known lids with such a rim relate only to plastic containers and plastic lids that are not usable in oil-based paints, solvent-based paints or paints, solvents, etc. These covers are described for example in the DK 145 194 . US 3,688,942 . SE 507 510 . SE 469 794 , WO 88/03901, EP 0 245 894 and EP 0 412 231 ,

The WO 01/44069 describes a detachable closure for a open, topped containers: The closure has a metal lid to close the container opening and a plastic ring attached to the metal lid. The plastic ring has at least one element to engage with one radially outward extending training of a container to the metal lid to keep in sealing engagement with the container. The plastic ring further has a pending section up, outside of the container extends and being a manual Operation of the pending Section, a removal of the closure of the container simplified.

description the invention

It It is an object of the present invention not to provide a resealable closure made of plastic for a container which is easy to install and remove without a need for any Type tool exists.

According to one In the first aspect, the present invention relates to a resealable closure or lid according to claim 1.

Of the container and the lid can be cylindrical, oval or elliptical or it may be a polygonal container act, such as a square or rectangular.

Of the Edge can along an outer surface of the ruffled Section and an edge of the crimped section and / or the projections grab that outward running beads / corrugations or ribs in the side wall of the container.

Of the Closure can do not include a metal edge. In some embodiments may the shutter several margins not metal, such as two or three or four or five or six or seven or eight or nine or ten. The edges are not made of metal can be joined together be attached or be detachable from each other, for example via a weakening line in the edge.

Preferably comprises the edge of a first part, which is attached to the lid and a second part which is foldable between a first closure position, in which the closing means engaged with the crimped Section and / or protrusions and a non-occlusive Position in which the locking means is disengaged from the ruffled Section and / or the projections. Preferably, the Edge a folding or folding line to the second part to the outside and can be pivoted upward when a transition from the closed position in the non-occlusive Position takes place. In the non-occluding position, the second Adjoin part of the first part.

Of the ruffled Section can be contact surfaces for the Lid and closing means define.

In a preferred embodiment, the closing means comprises a peripheral running rib engageable with a portion of the crimped portion and / or protrusions. The rib may be formed with a curved portion having a radius corresponding to the radius speaks a curved portion of the crimped portion and / or the protrusions. The edge may comprise a resilient rib, for example of rubber, which engages the part of the crimped portion and / or the projection.

Preferably extends the edge continuous along the entire circumference of the container (if the container cylindrical, oval, elliptical or polygonal), but the Edge alternatively from two or three or four or more individual edges exist, so that the Lid on the container via individual, unconnected edges is held.

At least a part of the closing means can solvable or be removable. For example, a part of the engagement rib solvable be. The detachable Part of the closing means / the Engagement rib may be designed to be compared with the non-detachable part the closing means / the Engagement rib improved engagement with the crimped Section or the one or more protrusions of the container provides. Therefore, after removing the releasable part of the closing means / Engagement rib be easier to remove the closure. After removing of the detachable In part, it may still be necessary while removing the closure, the non-detachable Part of the closing means / the To twist or fold engagement rib.

at an embodiment the closing means / the Engaging rib comprise a first part and a second part, the engaging surface a cross section of the first part is larger than the engagement surface of a Cross section of the second part. In one embodiment, the thickness a cross section of the first part to be larger than a cross section of the second part. Due to the thicker part, the engagement surface may be larger or it can be harder, the engaging rib on the crimped Section to turn over or one or more tabs. Of the first part can be solvable.

at an embodiment the closure can gripping means included, which are designed so that they remove a user facilitate the closure. The gripping means can serve as a handle and the position of the handle can result in increased or reduced engagement between the shutter and the container to lead. The gripping means can also be designed so that they one Attach the closure to the container. The closure can be or two or more gripping means. The gripping means can be designed in this way be that she as handles during the transport of the container Can be used.

Around a folding of the edge between its closed position and its non-occlusive To facilitate position, the edge may have one or more peelable perforations include that extend transversely to the circumferential direction of the edge. When the perforations peeled off are, therefore, the for the flaps of the second part of the edge required forces lower.

Of the Edge may also include one or more slots (not perforated), which extend transversely to the circumferential direction of the edge.

Preferably the slots and / or perforations extend only in the second Part of the edge, can but in both the first and the second part of the margin.

Of the Edge is chipped on the lid, so that the Border between two opposite arranged flanged edges is.

Of the Lid may include a wall portion engageable is with an inner surface the container, which is defined by its side wall, wherein the wall portion and the edge of a cavity for the ruffled Section of the container define. The wall portion may be inclined outwardly so that the wall portion and the inner surface the container over friction can engage each other, so that the Cover held in position in the opening of the container is, even if the edge is not in the closed position located.

at another embodiment the lid comprises a flat lid surface substantially perpendicular to the side wall of the container and without being in the container runs, so that on the above-mentioned wall section can be disregarded. In this case, the lid can only by the edge on the container be held.

The inner surface of the container may include corrugations or ribs that have a capillary rise of the contents in the container prevent and avoid that Content from the container expires.

Around a tight seal of Containers can provide a connection (a material to provide a sealing / tight closure) between the lid and the container be arranged. For example, the compound can be a rubber band or a sprayed on Be silicone rubber or an elastomer or a soft polymer or a mixture of synthetic rubber.

The Connection can be made between the side wall of the container and the wall section the lid are arranged, such as in a corrugation in the side wall of the container or the wall section.

alternative or additionally The connection between the edge and the side wall of the container can be arranged be such as in a corrugation in the sidewall of the container or at the second part of the border. The connection can be, for example the above mentioned Rib form or it can simply connect to the lid or Edge be appropriate.

Preferably the lid is made of metal, but it can also be made of cardboard or composites or glass or wood. Of the Edge is preferably made of an elastic / bendable plastic such as PELD or PP or PEHD or PET or PMMA or PA or elastomers or rubber.

It can be an advantage of closures be with a metal lid that they are not bendable compared to plastic lids. Therefore, solidified Material on an inner surface not in platelets fall off when the shutter is removed or re-attached, since metal lids are not in the same Extent twisted or can be bent like plastic lids. At the same time, a border of a bendable Material the flap properties according to the present application deliver. As the edge folds or folds, can be an improved Engagement between a rib portion of the rim and an edge the can allows become. This is due to the fact that the closure is not must be interpreted that he from the can has to be removed when the rib portion of the rim and the edge of the can engage stand.

Of the container can food, solvents, Chemicals, paints or varnishes include, as the lid is a dense and retaining closure, however, the container and the lid also for other goods such as biscuits can be used. Of the container Can be made of metal, plastic, composites, cardboard, glass or Be made of wood.

Becomes the closure of the container taken off, so the second part of the edge in the non-occlusive position be folded / pivoted and subsequently the closure of the container be lifted off. If the closure is attached / replaced, so the second part of the rim can first engage with the first one Part of the edge pivoted / folded and then the shutter down be moved until the locking means are engaged with the curled Section and / or projection. The method of attachment / reinstallation the closure on the container can the conventional Method in which the closure is pressed down, for example, by the person filling the container.

Of the Closure is Usable with many known containers that have a crinkled Section and since the closure of such containers under Use of conventional Color marking systems can be attached, the shutter can be disconnected (not in combination with a container) sold to manufacturers of containers become. Since the shutter is disconnected can be sold, the packing volume for export to a minimum reduced, since the shutter very can be stacked tightly.

Instead of aligning the second part with the first part before mounting the closure on the container, the shutter can open the opening of the container arranged and subsequently pivoted / folded the second part of the edge in the closed position become.

According to one Second aspect, the present invention relates to a method according to claim 24.

Of the Step of providing the edge may be an extrusion or an injection molding of the Edge include.

Summary the drawings

preferred embodiments The invention will be described in detail below with reference to the attached Drawings described, wherein

1 . 2 and 5 show a cross-sectional view of the closure and container according to the present invention;

7 - 8th 3D views of the container and closure according to the invention show, and

9 - 18 Embodiments show in which a part of the edge can be solved or changed between two positions.

detailed Description of the drawings

1 shows a cross-sectional view of the closure 1 and container 2 according to the invention. The closure comprises a metal lid 3 and a border 4 , which together define the closure for the container. The container comprises a crimped portion with a lower edge 5 , egg a neck section 6 and an upper edge 7 ,

The bottom edge 5 has a curved portion having a radius substantially equal to the radius of the curved rib portion 8th the edge is. The border comprises a first part 9 which is attached to the lid and a second part 10 , wherein the second part is foldable outwards or foldable (in the direction 11 ) between a closed position in which the curved rib portion 8th engaged with the lower edge 5 and a non-occlusive position in which the second part is folded outward. The second part is around the point 15 foldable.

The lid comprises a connection 12 that are close to the top 7 the container is fitted to provide a sealed closure.

The lid comprises an outwardly inclined wall portion 13 which is engageable with the inner surface 14 the container defined by its sidewall, the wall portion and the rim defining a cavity for the crimped portion of the container.

2 shows an edge with a bead portion 16 in the upper part, which is attached to the lid. The bead ensures that the rim remains attached to the lid.

5 shows the same as in 1 shown embodiment of the invention, but wherein the second part 10 the edge up, is pivoted to a non-occlusive position. In this position it is possible to lift the closure from the container.

When the closure is re-attached to the container, first the second part is pivoted back, in alignment with the first part, and the closure is then placed above the container and pushed down until the curved rib portion 8th in engagement with the lower edge 5 arrives.

7 - 8th show 3D views of the container 2 and the lock 1 holding a metal lid 3 and a border 4 includes. The edge in 7 includes slots 17 that run transversely to the circumferential direction of the edge. The slots allow easier folding over of the second part of the edge.

The Shape of the closure allows that the container stacked with the closure attached thereto can.

The 9a . 9b . 10a and 10b show a closure 1 and a container 2 according to the invention. The closure comprises a metal lid 3 and a border 4 , which together define the closure for the container. The edge 4 comprises a detachable part 18 and a non-detachable or non-removable part 19 , A line of weakness 20 separates the detachable part 18 and the non-detachable part 19 , The parts 18 and 19 can be poured in one piece. In the 10a and 10b is the detachable part 18 from the non-detachable part 19 decreased. The curved rib section 8th (not shown) is on the detachable part 18 thicker than on the non-detachable part 19 ,

A container 2 and a closure 1 who has a lid 3 and a border 4 are included in the 11a . 11b . 12a and 12b shown. The edge 4 includes a detachable part 18 and a non-detachable part 19 , A line of weakness 20 separates the parts 18 and 19 , A stripe 21 can in the direction 22 be pulled, resulting in a release of the detachable part 18 leads. After removing the non-detachable part, the edge has a hole 23 on. A handle 24 can be used to remove the closure from the container.

Analog can be in the 13a . 13b . 14a and 14b A strip can be used to make the detachable part 18 from the non-detachable part 19 to decrease. If the detachable part 18 removed, the handle can 24 used to remove the closure. The handle is designed so that it is adapted to the user's hands.

The 15a . 15b . 16a and 16b show a container 2 and a closure 1 who has a lid 3 and a border 4 includes. The edge comprises a detachable part 18 and a non-detachable part 19 , The detachable part is with a strip 21 via a connecting element 25 connected. If the strip is released, so can a handle 24 used to the closure 1 from the container 2 to decrease.

The 17a and 17b show a container 2 and a closure 1 , The closure comprises an edge 4 and a handle 24 which can be changed or moved between two positions. In 17a the handle is in the first position and in 17b the handle is in the second position. If the handle is in the first position, then there is a curved rib section 8th engaged with the lower edge 5 of the curled edge section. Therefore, the first position is a locking position in which the closure can not be removed from the container and the second position is a non-holding position in which the closure can be removed from the container. The closure can be made such that the handle 24 and the edge 4 are formed in one piece and such that a line of weakness 26 between the sides of the handle 24 and the edge 4 is provided. Before breaking the line of weakness 26 , the handle is in the in 17a shown holding position held. The handle is in the in 17b shown second position moves, so the line of weakness 26 broken and the handle 24 can be used to remove the closure.

The 18a and 18b show a container 2 and a closure 1 with a border 4 , The lower edge 27 The edge is wavy. By forming the lower edge as a shaft, it is easier for the user to open the can because a good grip of the edge is facilitated if the edge is to be folded between the closed position and the non-occlusive position. There may be any number of waves; For example, the distance between each shaft may be substantially equal to the distance between a person's fingers. In other embodiments, four, five, six, seven, eight, nine or ten waves may be provided.

Claims (25)

Resealable closure ( 1 ) for a container ( 2 ) having a side wall with one or more projections extending peripherally outwardly and terminating in a peripherally extending, crimped portion surrounding an opening to be closed, the shutter ( 1 ) comprises: - a lid ( 3 non-plastic material covering at least the opening and having a circumferentially extending sealing portion adapted to seal with a top edge of the container (10). 7 ), wherein the cover has a peripherally extending edge portion, with two oppositely arranged flanges, - at least one edge ( 4 not made of metal, which on at least a part of the peripheral edge portion of the lid ( 3 ), the edge ( 4 ) along the side wall of the container ( 2 ) and a closing means ( 8th ) to engage with at least a portion of the crimped portion of the container (10). 2 ) and / or the one or more protrusions to secure the closure ( 1 ) on the container ( 2 ); and - where the edge ( 4 ) a first part ( 9 ), which on the lid ( 3 ) is between the two oppositely disposed flanges and a second part ( 10 ) which is hinged between a closed position, in which the closing means ( 8th ) is in engagement with the crimped portion and / or projections and a non-occluding position in which the closing means ( 8th ) is disengaged with the crimped portion and / or the protrusions. A closure according to claim 1, wherein the second part ( 10 ) is designed to be held in the non-occluding position and / or the closed position. A closure according to claim 1 or 2, wherein the second part ( 10 ) in some positions to be biased towards the non-occluding position. A closure according to any one of claims 1-3, wherein the edge ( 4 ) extends along an outer surface of the curled portion. A closure according to any one of claims 1-4, wherein the lid ( 3 ) a wall section ( 13 ) which is engageable with an inner surface ( 14 ) of the container, which is defined by its side wall, wherein the wall portion ( 13 ) and the edge ( 4 ) define a cavity for the crimped portion of the container. Closure according to one of the preceding claims, in which the closing means ( 8th ) a peripherally extending rib ( 8th ) which is engageable with a part ( 5 ) of the crimped portion and / or the protrusions to define an engagement surface. A closure as claimed in any one of the preceding claims, wherein the crimped portion has contact surfaces (Figs. 5 . 7 ) for the lid ( 3 ) and the closing means ( 8th ) Are defined. A closure according to any one of the preceding claims, wherein a compound ( 12 ) between the lid ( 3 ) and the crimped portion to provide a tight seal. A closure according to any one of claims 5-8, wherein a connection between the side wall of the container and the side wall portion of the lid ( 3 ) is arranged to provide a tight seal. A closure according to any one of the preceding claims, wherein a connection between the edge ( 4 ) and the side wall of the container ( 2 ) is arranged to provide a tight seal. A closure according to any one of claims 8-10, wherein the compound ( 12 ) is attached to the lid or the rim. Closure according to one of the preceding claims, in which the lid ( 2 ) Metal and / or Cardboard and / or composite materials and / or glass and / or wood. A closure according to any one of the preceding claims, wherein the edge ( 4 ) made of elastic plastic such as PELD, PP, PEHD, PET, PMMA, PA, elastomers or rubber. A closure according to any one of the preceding claims, wherein the closure ( 1 ) and the container ( 2 ) are substantially cylindrical. Closure according to one of the preceding claims, in which at least part of the closing means ( 8th ) is solvable. Closure after one of the claims 6-15, at which the engagement rib at least a first part and egg nen second part and wherein the engagement surface a cross section of the first part is larger than the engagement surface of a Cross section of the second part. Closure after Claims 15 and 16, wherein the first part of the rib is detachable. A closure according to any one of the preceding claims, wherein the closure ( 2 ) Gripping means comprises. A closure according to any one of the preceding claims, wherein the edge ( 4 ) consists of two or three or four or more individual edges. A closure according to any one of claims 1-19, wherein the edge ( 4 ) continuously along the entire circumference of the container ( 2 ) runs. A closure according to claim 20, wherein the edge ( 4 ) one or more detachable perforations ( 26 ) extending transversely to the circumferential direction of the edge. A closure according to any one of the preceding claims, wherein the edge ( 4 ) one or more slots ( 17 ) extending transversely to the circumferential direction of the edge. A closure according to any one of the preceding claims, wherein at least a part of the edge ( 4 ) is detachable from the lid. Method for producing a closure ( 1 ) for a container ( 2 ) having a side wall terminating in a peripherally extending, crimped portion surrounding an opening to be closed, the method comprising the steps of: - providing a lid (Fig. 3 ), not of plastic, having a peripherally extending edge portion having two oppositely disposed flanges having an attachment portion (e) for a rim (Fig. 4 ), the lid ( 3 ) has a circumferentially extending sealing portion adapted to provide a seal having an upper edge (US Pat. 7 ) of the container, - providing an edge ( 4 ) not of metal, and - fringing the edge ( 4 ) between the two flanges. The method of claim 24, wherein the step of providing the edge ( 4 ) extruding the edge ( 4 ).