Lid with locking mechanism and container

Abstract

The invention relates to a lid (1) comprising: a lid body (2) with an edge region (4) having a locking profile for interacting with a locking profile on an engagement area of ​​a circumferential rim of a bucket (7) to close an opening of the bucket (7). The lid (1) has locking elements that are movable, in particular pivotable, from a locking position (R) for securing the lid (1) to the circumferential rim of the bucket (7) to a release position for releasing the locking mechanism. The invention also relates to a container (23) comprising: a lid (1) designed as described above, and a bucket (7) with a base (11) and with a circumferential side wall (12) which, in the area of ​​an opening of the bucket (7), has a circumferential rim with an engagement area having a locking profile for interacting with the locking profile on the edge region (4) of the lid (1) to close the opening of the bucket (7).The locking elements of the lid (1) cooperate in the locking position (R) to secure the lid (1) to the surrounding rim of the bucket (7).

Description

Background of the invention

[0001] The invention relates to a lid comprising: a lid body with an edge region having a locking profile for interacting with a locking profile on an engagement area of ​​a circumferential rim of a bucket to close an opening of the bucket. The invention also relates to a container comprising such a lid and a bucket with a base and a circumferential side wall, the latter having, in the area of ​​an opening of the bucket, a circumferential rim with an engagement area having a locking profile for interacting with the locking profile on the edge region of the lid to close the opening of the bucket.

[0002] For the purposes of this application, a bucket is understood to be a container with a circumferential cylindrical, usually slightly conically inclined side wall and an opening that typically extends over the entire top of the bucket. The basic shape of the bucket, which typically corresponds to the basic shape of the bottom, is arbitrary. The bucket may, for example, have an oval, round, rectangular, or square base. For the purposes of this application, a bucket also includes a can-shaped container in which the side wall is cylindrical.

[0003] In the area of ​​the opening, the bucket has a circumferential rim with an engagement area for interaction with the lid. This engagement area features a locking profile that interacts with a corresponding locking profile on the inside of the lid's rim to ideally create a tight seal around the bucket's opening. The locking profile does not necessarily have to be a locking edge that engages with a corresponding profile, such as a groove, on the engagement area. Instead, the locking profile on the lid and the locking profile on the bucket's rim could also be other comparable retaining or locking elements, such as hooks or similar features, that allow the lid and bucket to lock securely into place, thus sealing the opening.

[0004] Besides sufficient tightness, a secure closure of the container is particularly important when transporting hazardous materials to prevent unintentional leakage into the environment. The closure of such a container must ensure that the seal between the lid and the container is not unintentionally released, even under external forces, for example, if the container is dropped from a certain height. Various solutions are known for securing the seal between a lid and a container. For example, a screw cap can be used for this purpose.

[0005] EP3552983A2 proposes using a retaining ring to secure a lid for transporting a container. This ring has a circumferential sidewall for gripping the rim of a bucket and a locking area projecting inwards beyond the circumferential sidewall of the retaining ring to engage the rim of the lid. The sidewall and / or the locking area are closed. For attaching the retaining ring to the rim of the bucket, locking elements or a locking rim can be formed on the sidewall of the retaining ring. The locking elements can be formed on a side of the sidewall facing away from the projecting locking area to engage a skirt formed on the rim of the bucket. Each locking element can be attached to a pivotable tab formed on the sidewall.

[0006] EP4368537A1 describes a container with a lockable lid. The lid has locking elements, e.g., in the form of locking lugs, for locking the lid to a rigid, ring-shaped attachment of the container or directly to a bucket of the container. The locking elements permanently lock the lid to the attachment or bucket, so that the lid cannot be removed from the attachment or bucket, or only with considerable force and thus destructively.

[0007] WO2004045978A1 describes a container with a lid for closing the container, which has a receiving area into which the rim of the container, defining the container opening, engages and is held when closed. The receiving area of ​​the lid and the rim of the container opening feature opposing locking elements and sealing surfaces. The locking elements are designed such that, when the container is closed, the sealing surfaces are pressed securely against each other, creating a seal that can only be released by destroying the lid. The receiving area of ​​the lid and / or the rim of the container opening may have a predetermined separation point for separating a portion of the receiving area and / or the rim, leaving only identical pairs of locking elements to allow the container, closed by the lid, to be opened.

[0008] In the case of the container described in WO2004045978A1, the lid's locking mechanism can be released by tearing off the designated separation point, for example, using a tear-off strip. However, re-locking the lid using the locking elements is not possible. The brochure "https: / / www.ropac-packaging.com / german / files / cms / 23_LIQUID Manual GER-MAN.pdf" suggests using specially shaped stainless steel clips to create a hermetic seal when re-closing the lid of such a container. Object of the invention

[0009] The object of the invention is to provide a lid and a container that allow for multiple openings and secure closing. Subject matter of the invention

[0010] According to a first aspect, this task is solved by a lid of the type mentioned above, which has locking elements that can be moved, in particular pivoted, from a locking position to secure the lid to the circumferential edge of the bucket into a release position to release the locking mechanism.

[0011] In the lid according to the invention, in addition to the clamping or locking mechanism at the engagement area of ​​the bucket's rim, the lid is further secured to the bucket by means of locking elements. Unlike the provisions in EP4368537A1 and WO2004045978A1, the locking elements can be moved non-destructively from a locking position securing the lid to a release position in which the locking mechanism is released, and vice versa. Even in the release position, the lid remains connected to the bucket via the interacting locking profiles; that is, the locking of the lid to the bucket via the locking profiles is not released when the locking elements are moved to the release position. In this way, the bucket can be repeatedly and securely closed and reopened using the lid with a double locking mechanism – by the locking profiles and additionally by the locking elements.

[0012] In one embodiment, the lid has at least one pivotable locking flap, preferably a plurality of pivotable locking flaps, on which at least one locking element is formed, wherein the at least one locking flap is connected to the lid body in the edge region, preferably via a film hinge. In the locked position, the locking flap typically runs substantially parallel to an axial direction of the lid, which is aligned parallel to the vertical axis of the bucket and perpendicular to the generally flat lid surface or inner region of the lid.

[0013] The locking flap(s) can, in the locked position, extend along the outer side of a skirt of the bucket, with the locking elements interacting with locking elements on the skirt or engaging under or behind the skirt at its lower end (su). The locking elements can be formed on the inside of the locking flap facing the lid body and projecting inwards, e.g., in the form of locking lugs or projections. The locking elements on the locking flap(s) can also be designed as recesses or cutouts, e.g., in the form of windows, into which outwardly projecting locking elements formed on the skirt engage when the lid is locked. It is understood that the locking elements on the lid can also interact with locking elements formed on or in the area of ​​the skirt in other ways to secure the lid.It is also understood that different types of pairs of grid elements can be combined with each other.

[0014] By pivoting the locking flap from the locked position to the release position, the engagement of the locking elements is released from the edge of the bucket, typically from the locking elements on the skirt or from the underside of the skirt. The locking flap is typically pivoted from the lid body outwards and upwards from the locked position into the release position. The locking flap is preferably connected to the edge of the lid body via a film hinge, which allows the lid to be manufactured in one piece.

[0015] In this further development, the safety flap, and generally all safety flaps, are axially connected to the edge of the lid body below the locking profile, particularly adjacent to it. This type of connection has proven advantageous. Specifically, the locking profile can be connected to the lid body adjacent to the locking profile. An adjacent connection to the lid body means that the axial distance between the clamping profile and the connection – e.g., in the form of a film hinge – is no more than 10 mm. Connecting the safety flaps adjacent to the locking profile is advantageous so that, in the release position, the edge of the bucket, especially the area of ​​the skirt (su), remains accessible to an operator to release the lid's locking mechanism at the bucket's engagement point.In contrast, the tabs are attached to the retaining ring described in EP3552983A2 at the lower edge of the side wall approximately at the level of the underside of the bucket's skirt.

[0016] In a further development, at least one safety flap is pivotable between the locking position and the release position by an angle of at least 70°, preferably at least 90°, and particularly at least 110°. The ability to pivot the safety flap(s) over a comparatively large angular range facilitates access to the edge of the bucket for an operator when the safety flap(s) are in the release position.

[0017] In a further development, the lid is designed to hold or lock at least one locking flap in the release position. It is advantageous if the locking flaps, which are typically pivoted outwards and upwards relative to the lid body in the release position, are held or locked in this position and do not return to the latched position on their own due to gravity. This facilitates access for the operator to the surrounding rim of the bucket to release the lid's locking profile from the bucket's locking profile. Holding the locking flap(s) in the release position can be achieved, for example, by having a curvature in the lid body in the area where the locking flap(s) are attached. This is typically the case if the lid has a round geometry, e.g., circular, oval, etc.In this case, the locking flap is elastically deformed when pivoted into the release position and locked in that position, particularly if the locking flap is pivoted through an angle greater than 90°. If the cover body is straight in the area where the locking flap(s) are attached, as is usually the case with a rectangular or square cover, the cover typically has retaining elements to hold the locking flap(s) in the release position. In both cases, the operator can move the locking flap(s) back into the locked position by overcoming a relatively small holding force.

[0018] In a further development, each safety flap extends circumferentially over an angle of more than 20°. The safety flap(s) should not be too large circumferentially to facilitate pivoting from the locked position to the release position for the operator, especially when multiple locking elements need to be released from the bucket's rim. Insufficient circumferential extension of the safety flaps makes it difficult for the operator to grasp them. It can be advantageous for the safety flaps to have windows or similar features to reduce their rigidity and / or to allow the operator partial visibility of the bucket's rim.

[0019] In another embodiment, the lid has at least two and preferably no more than twelve locking flaps. To minimize the effort required for an operator to release and re-close the locking mechanism, the number of locking flaps should not be too large. As described above, the number of locking flaps should not be too small to simplify the operation of the locking flaps. Particularly if the bucket, and therefore also the lid, has a square or rectangular shape, two locking flaps attached to opposite sides of the lid's rim may be sufficient to secure the lid.

[0020] In a further training procedure, the safety flaps on one side facing away from the cover body have at least one gripping aid, in particular at least one recessed grip. The gripping aid, e.g. in the form of a recessed grip, makes it easier for an operator to grasp and thus pivot the respective safety flap.

[0021] It is advantageous if the locking elements, e.g., in the form of locking projections or recesses, are not formed directly adjacent to the side of the respective locking flap facing away from the lid body, but rather spaced apart from this side. In this way, when grasping the locking flap on its side facing away from the lid body, leverage can be exerted on the locking flap(s) to release the locking element(s) from the locked position. In the locked position, the locking flap(s) typically extend axially beyond the lateral edge, particularly beyond the skirt, of the bucket to enable this leverage. The proportion by which the locking flap(s) extend beyond the skirt can be at least one-quarter or at least one-third of the total height of the respective locking flap.

[0022] In this advanced design, at least two circumferentially adjacent safety flaps are connected to each other via a predetermined breaking point. This breaking point can, for example, be an area of ​​reduced material thickness between adjacent safety flaps. When the safety flaps are pivoted from the locked position to the release position, the predetermined breaking point between the adjacent safety flaps is released. This ensures tamper protection.

[0023] In one embodiment, the lid body has wall sections projecting axially downwards beyond the locking profile in the edge region, with recesses for receiving mounting points of a bucket's carrying handle. These mounting points for the bucket's carrying handle typically project outwards beyond the rim of the bucket, for example, over a skirt. To create the necessary clearance for the mounting points, wall sections of the lid body can be provided with recesses for receiving these mounting points. Unlike the locking flaps, these wall sections are generally not pivotable.

[0024] In another embodiment, the lid can be bounced onto the rim of the bucket, i.e., it can be translationally placed or slid onto the bucket, for which a bouncing device is typically used in an industrial process. To enable the lid to bounce onto the bucket, it is typically made of plastic. The bucket is also typically made of a plastic that, when the lid is bounced or slid onto the bucket from above, is pressed radially inwards and elastically deformed, so that the locking elements of the lid are moved into the locking position upon impact.

[0025] Another aspect of the invention relates to a container of the type mentioned above, in which the locking elements of the lid, when locked, interact with the surrounding rim of the bucket to secure the lid. As described above in connection with the lid, the locking elements, which engage with the surrounding rim of the bucket, provide additional security for the connection between the lid and the bucket. By moving the locking elements into the release position, the locking mechanism can be released, and after the lid is released from the locking profile of the bucket, it can be lifted off. The ability to reversibly move the locking elements between the locked and release positions allows the container to be opened multiple times and closed with a double locking mechanism.

[0026] In one embodiment, the bucket has a skirt spaced from the side wall, adjoining the engagement area. In the locked position of the lid, the locking elements either interact with locking elements on the skirt or engage behind or beneath the skirt on its underside. To stiffen the skirt, which typically runs substantially parallel to the vertical axis of the bucket, stiffening ribs are usually provided, extending from the outside of the container's side wall to the inside of the skirt. The lid, or more precisely the locking elements (e.g., in the form of locking projections or the like), can engage behind the skirt on its underside in the locked position, thus preventing the lid from being lifted upwards. Because the locking elements engage beneath the skirt, no structural modifications to the container are necessary for locking the lid.The lid can be placed on a conventional bucket with a double rim, typically by crimping. Alternatively, the lid can be connected to the bucket in the area of ​​the rim using other or additional locking elements that interact or interlock in the locked position. For example, locking elements can be provided on the rim that project outwards, forming a ribbed geometry that engages with locking elements in the form of recesses or cutouts, such as openings or windows, on the lid's locking flaps.

[0027] In a further training, the bucket has at least one opening aid in the area of ​​the apron for releasing the lid from the bucket's gripping area, wherein at least one pivoting locking flap on the lid at least partially conceals the opening aid in the locked position and exposes it for operation in the release position. Concealing the opening aid with at least one locking flap prevents it from being unintentionally activated. It is generally advantageous if the opening aid is concealed by a single locking flap. Moving this locking flap to the release position makes the opening aid accessible to the operator. For concealing the opening aid, it is advantageous if the locking flap(s) extend axially over the entire height of the apron in the locked position.As a rule, the locking flaps extend beyond the underside of the apron in the detent position to provide a gripping surface for the operator, which facilitates the release of the detent elements when pivoting the locking flaps (so).

[0028] Even if the release of the locking mechanism on the cover cannot be carried out non-destructively and it is necessary to cut off a predetermined separation point, for example in the form of a tear-off strip, for this purpose, it can be advantageous if the tear-off strip on the cover at least partially covers the opening aid and the opening aid is released for operation when the tear-off strip is pulled off.

[0029] The opening aid can be designed in different ways.

[0030] In this further development, the opening aid is designed as an opening flap that extends into the engagement area at the rim of the bucket, or the opening aid forms a recess in the apron. The opening flap is pivotally attached to the bucket and extends into the area of ​​the apron. The opening flap can be folded from a position essentially parallel to the apron to a position pivoted towards the apron in order to at least partially release the lid from the engagement area of ​​the bucket's rim. The locking profile at the engagement area can, for example, be designed in the form of a groove into which the locking profile on the edge of the lid body engages. To release the engagement between the locking profile of the lid and the groove, the opening flap can be moved into the position pivoted towards the apron.

[0031] Alternatively, the opening aid can form a recess in the apron adjacent to the engagement area. This recess can extend over the entire height of the apron, meaning the apron is interrupted in the area of ​​the recess. This allows an operator access to the engagement area, specifically the underside of the lid's rim, to lift the lid from the bucket, possibly with the aid of a tool. It is understood that other types of opening aids can also be provided on the bucket to release the lid's locking profile from the locking profile in the bucket's engagement area.

[0032] In another embodiment, the lid and / or bucket are made of plastics, preferably polyolefins, in particular polyethylene or polypropylene, polyamides, or polyethylene terephthalate. Buckets and lids made of these materials are typically inexpensive to manufacture. Furthermore, they possess advantageous properties, such as high durability due to high toughness and elongation at break. However, the lid and / or bucket can also be made of other plastic materials (in particular thermoplastics, and possibly also thermosets).

[0033] Further advantages of the invention will become apparent from the description and the drawing. Likewise, the features mentioned above and those described in more detail below can each be used individually or in any combination according to the invention. The embodiments shown and described are not to be understood as an exhaustive list, but rather serve as examples for illustrating the invention. drawing

[0034] The invention is illustrated in the drawings and explained in more detail with reference to exemplary embodiments. The drawings show: Fig. 1. A perspective view of a lid with locking flaps in a latched position, Fig. 2 a perspective view of a bucket which has an engagement area with a locking profile for interaction with a locking profile of the lid of Fig. 1 has Fig. 3. A perspective view of a container holding the bucket of Fig. 2 and the lid of Fig. 1 includes, with the locking flaps in a latched position, Fig. 4 a representation analogous to Fig. 3 with the safety flaps in a release position, Fig. 5a a sectional view of the container of Fig. 3 at a position in the circumferential direction where the lid has a locking element, Fig. 5b a representation analogous to Fig. 5a at a position in the circumferential direction where a locking profile of the cover is recognizable, Fig. 5c a representation analogous to Fig. 5a,b at a position in the circumferential direction where the bucket has an opening aid in the form of an opening tab, Fig. 5D a representation analogous to Fig. 5a at a position in the circumferential direction where the apron has an outwardly projecting locking rib, Fig. 6 a perspective representation of a container analogous to Fig. 4, which has a recess in an apron of the bucket to serve as an opening aid, Fig. 7a a top view of the lid of Fig. 1, Fig. 7b a sectional view of two stacked lids, as well as Fig. 7c a perspective view of two stacked lids.

[0035] Fig. Figure 1 shows a lid 1 with a lid body 2, which has a flat inner area 3 and a circumferential rim 4. The inner area 3 does not necessarily have to be flat; rather, it can, for example, be convex or have a step. The inner area 3 may also have a lid opening to empty the contents through the lid 2. The rim 4 of the lid body 2 projects upwards beyond the inner area 3. Stacking aids 5 with lateral contact surfaces are formed at regular intervals around the circumference of the inner area 3. Circumferentially, between the stacking aids 5, there are essentially U-shaped recesses 6, which serve to stabilize the lid 1 when a container is placed on it. Fig. The two buckets 7 shown in Figure 2 are stacked. The stacking aids 5, more precisely the contact surfaces, prevent lateral slippage when a bucket 7 is stacked on the lid 1 in the inner area 3.

[0036] In the example shown, the cover 1 has six safety flaps 8, which are in Fig. Figure 1 shows the locking flaps in a detent position R, in which the locking flaps 8 are oriented essentially perpendicular to the axial direction of the cover 1, which runs perpendicular to the flat inner area 3 of the cover 1. The locking flaps 8 are connected to the cover body 2, more precisely to an outer leg of the edge area 4, via film hinges 9.

[0037] Lid 1 is placed on the in Fig. The bucket 7, filled with a material, is shown in Figure 2 and is opened, with an opening 10 of the bucket 7 being closed by the lid 1. The bucket 7 has a bottom 11 and a circumferential side wall 12, which is slightly conical and has a circumferential rim 13 in the area of ​​the opening 10 of the bucket 7. The circumferential rim 13 has an engagement area 14 with a locking profile 15 in the form of a groove for interaction with a locking profile 16 (see Figure 2). Fig. 5b) on the lid body 2 of the lid 1, which engages in the groove to seal the lid 1 to the bucket 7.

[0038] The bucket 7 has a skirt 17 spaced from the side wall 12, which adjoins the engagement area 14. Two mounting points 18 for a support bracket 19 are formed on the skirt 17, projecting outwards beyond the skirt 17. The lid body 2 has wall sections 20 projecting axially downwards beyond the locking profile 16 in the edge area 4, which have recesses 21 for receiving the mounting points 18 of the support bracket 19 of the bucket 7.

[0039] As in Fig. As can be seen in Figure 2, bucket 7 has an opening aid in the form of an opening tab 22, which extends into the engagement area 14. The opening tab 22 can be removed from the Fig. 2 in the position shown, pivot upwards towards the apron 17 to engage the locking profile 16 (see below). Fig. 5b) to release the lid 1 from the engagement with the locking profile 15 of the bucket 7 in the form of the groove.

[0040] Fig. Figure 3 shows a container 23, which includes the lid 1 of Fig. 1 and bucket 7 of Fig. 2 includes, which was bounced onto bucket 7. The safety flaps 8 of the lid 1 are located in Fig. 3 in the locking position R and cover the opening tab 22 on the skirt 17 of the circumferential rim 13 of the bucket 7. The locking flaps 8 have windows 24 through which, among other things, the opening tab 22 is visible. The windows 24 reduce the stiffness of the locking flaps 8 and facilitate the opening of the lid 1.

[0041] In the locked position R, the locking flaps 8 extend axially downwards beyond the skirt 17, their extension being more than approximately one-third of their total height. On their lower side, facing away from the cover body 2, the locking flaps 8 have gripping aids in the form of recesses 25, which facilitate grasping by an operator. The locking flaps 8 extend circumferentially over an angle that is typically greater than 20°. The number of locking flaps 8 is usually at least two and generally no more than twelve, but the number can also be greater or less.

[0042] The safety flaps 8 can be opened by an operator to open the container 23 from the inside Fig. 3 shown detent position R in a in Fig. The release position F shown in section 4 can be pivoted. In this process, the following occurs: Fig. The three predetermined breaking points 26 shown are broken open; these are formed between the adjacent sides of neighboring safety flaps 8. In the release position F of the safety flaps 8, the opening aid in the form of the opening tab 22 is released for operation by an operator to disengage the locking profile 16 on the lid 1 from the locking profile 15 in the form of the groove on the circumferential edge 13 of the bucket 7. In the release position F of the safety flaps 8, the lid 1 can therefore be removed from the bucket 7 as with a conventional container.

[0043] For the operator, it is advantageous if the safety flaps 8 are held or locked in the release position F, as shown in Fig. 4 is shown, but this is not strictly necessary. To facilitate the operator's access to the opening flap 22, it is advantageous if the safety flaps 8 are located between the in Fig. 3 shown rest position R and the one in Fig. 4. Release position F shown can be pivoted by an angle of at least 70°, at least 90°, in particular at least 110°.

[0044] As in Fig. As can be seen in Figure 5a, which shows a detail of the container 23 with the locking flaps 8 in the locking position R, the locking flaps 8 have locking elements 27 in the form of locking projections on their inner side facing the skirt 17, which engage behind or under the skirt 17 on its underside facing away from the lid body 2. The skirt 17 is in Fig. 5a is shown in the area of ​​a stiffening rib 28, which extends from the outside of the side wall 12 of the bucket 7 to the inside of the apron 17.

[0045] The in Fig. The locking profile 16 shown in 5b at the edge area 4 of the cover 1 is located in Fig. The position of the locking element 27 shown in 5a is interrupted in the circumferential direction. As shown by Fig. 5a and Fig. As can be seen in Figure 5b, the locking flap 8 is connected to the cover body 2 via the film hinge 9 below the locking profile 16, adjacent to the locking profile 16, whereby a shoulder 29 is formed between the locking profile 16 and the film hinge 9, which extends radially outwards over the locking flap 8 positioned in the locking position R. As shown in Fig. As can be seen in Figure 5c, which shows the container 23 at the position of the opening flap 22, the opening flap 22 is covered by the safety flap 8 positioned in the detent position R.

[0046] Fig. Figure 5d shows a container 23, which differs from the one in Fig. The container 23 shown in Figure 5a differs in that the windows 24 of the lid 1 serve as locking elements, which interact with locking elements 31 in the form of locking ribs on the skirt 17 in the locking position R of the locking flaps 8 to secure the lid 1. In the example shown, the locking elements 31 on the skirt 17 are designed as rib-like, outwardly projecting projections, which have a slope on their upper surface to facilitate the snapping open of the lid 1. In the Fig. In the example shown in 5d, the safety flaps 8 additionally have on their inside the following: Fig. 5a shown locking elements 27, which engage under the skirt 17, but this is not absolutely necessary, i.e. the cover 1 can also be secured only by the interaction of the locking elements 31 on the skirt 17 with the windows 24 in the respective locking flap 8.

[0047] Fig. Figure 6 shows a container 23 that differs from the container 23 described above in that, instead of the opening tab 22, it has an opening aid in the form of a recess 30 on the skirt 17, the recess 30 being adjacent to the engagement area 14. The recess 30 provides access to the underside of the lid 1 for an operator to release the lid 1 from the engagement of the locking profile 15 in the form of the groove on the bucket 7.

[0048] Fig. Figure 7a shows the lid 1 in a top view, in which the circular geometry of the lid 1 is visible. Fig. 7b and Fig. Figure 7c shows two covers 1, 1' stacked on top of each other. The upper cover 1' rests with the underside of the locking flaps 8, which are in the detent position R, on the radial projection 29 of the edge region 4 of the cover body 2 (see also Figure 7c). Fig. 5a,b). QUOTES INCLUDED IN THE DESCRIPTION

[0000] This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature

[0000] EP 3552983A2 [0005, 0015] EP 4368537A1 [0006, 0011] WO 2004045978A1 [0007, 0008, 0011]

Claims

[1] Lid (1), comprising: a lid body (2) with an edge area (4) having a locking profile (16) for interacting with a locking profile (15) on an engagement area (14) of a circumferential edge (13) of a bucket (7) to close an opening (10) of the bucket (7), characterized by , that the lid (1) has locking elements (27, 24) which are movable, in particular pivotable, from a locking position (R) to secure the lid (1) to the circumferential edge (13) of the bucket (7) to a release position (F) to release the locking mechanism. [2] Lid according to claim 1, comprising at least one pivotable locking flap (8), preferably a plurality of pivotable locking flaps (8), on which at least one locking element (27, 24) is formed, wherein the locking flap (8) is preferably connected to the lid body (2) of the lid (1) in the edge region (4) via a film hinge (9). [3] Lid according to claim 2, wherein the locking flap (8) is connected in the axial direction below the locking profile (16), in particular adjacent to the locking profile (16), to the edge region (4) of the lid body (2). [4] Lid according to claim 2 or 3, wherein at least one locking flap (8) is pivotable between the locking position (R) and the release position (F) by an angle of at least 70°, preferably at least 90°, in particular at least 110°. [5] Cover according to one of claims 2 to 4, which is configured to hold at least one safety flap (8) in the release position (F). [6] Lid according to any one of claims 2 to 5, wherein a respective safety flap (8) extends circumferentially over an angle of more than 20°. [7] Lid according to any one of claims 2 to 6, comprising a number of at least two and preferably not more than twelve safety flaps (12). [8] Lid according to one of claims 2 to 7, wherein the locking flaps (8) have at least one grip aid, in particular at least one engagement recess (25), on a side facing away from the lid body (2). [9] Lid according to one of claims 2 to 8, wherein at least two circumferentially adjacent safety flaps (8) are connected to each other via a predetermined breaking point (26). [10] Lid according to one of the preceding claims, wherein the lid body (2) has wall areas (20) projecting axially downwards in the edge area (4) beyond the locking profile (16) with recesses (21) for receiving mounting points (18) of a support bracket (19) of the bucket (7). [11] Lid according to one of the preceding claims, which can be bounced onto the circumferential rim (13) of the bucket (7). [12] Container (23), comprising: a lid (1) according to one of claims 1 to 11, and a bucket (7) with a bottom (11) and with a circumferential side wall (12) which in the area of ​​an opening (10) of the bucket (7) has a circumferential rim (13) with an engagement area (14) with a locking profile (15) for interacting with the locking profile (16) on the rim area (4) of the lid (1) in order to close the opening (10) of the bucket (7), characterized by , that the locking elements (27, 24) of the lid (1) in the locking position (R) cooperate with the surrounding rim (13) of the bucket (7) to secure the lid (1). [13] Container according to claim 12, wherein the bucket (7) has a skirt (17) spaced apart from the side wall (12) which adjoins the engagement area (14), wherein the locking elements (27, 24) in the locking position (R) of the lid (1) interact with locking elements (31) on the skirt (17) or engage behind the skirt (17) on its underside. [14] Container according to claim 12 or 13, wherein the bucket (7) has at least one opening aid (22, 30) in the area of ​​the skirt (17) for releasing the lid (1) from the engagement area (14) of the bucket (7), wherein at least one pivotable locking flap (8) of the lid (1) at least partially conceals the opening aid (22, 30) in the locking position (R) and releases it for actuation in the release position (F). [15] Container according to claim 14, wherein the opening aid is designed as an opening tab (22) which extends into the engagement area (14) on the edge (13) of the bucket (7) or wherein the opening aid forms a recess (30) on the skirt (17) which adjoins the engagement area (14). [16] Container according to any one of claims 11 to 15, wherein the material of the lid (1) and / or the bucket (7) is polyol olefins, in particular polyethylene or polypropylene, polyamides or polyethylene terephthalate.

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