DE2851271A1 - CONTAINER CAP - Google Patents

Description

Description introduction

The invention relates to a container closure, the container part designed to close a container opening and the container part assigned to this container part actual closing element or cover consists.

Container with one for closing a container opening interacting container part and lid are known, in which the interacting parts prevent unauthorized access to the container contents or at least make them visible Show. In one of these known solutions, a container is at its upper end on the outside with a provided around the opening circumferential strip, while the associated cover has an apron on the inside there is a circumferential rib which, when the closure is placed on the container, is located under the circumferential strip of the The container to secure the lid on the container. The lid can only be removed from the container after the apron is cut or slit in front of the sealing connection between the container and the lid to break.

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With such container closures, it is useful to arrange a seal between the container and its lid, which is compressed when the lid is placed on the container in order to seal the container tightly in the closure area close when the ring rib of the lid has placed itself under the ring bar of the container.

A disadvantage of already known container closures is that Containers closed in this way are at best stacked on top of one another in a small height or number. Also represents the seal as a separate component represents an undesirable expense.

According to the present invention, the combination of a container with a lid now becomes a container closure proposed in which the container has an upper annular rim and an outwardly directed annular flange below of the edge, while the actual closing member or the cover has an annular contact surface which cooperates with the annular rim, wherein a snap device is provided, which cooperates with the annular flange, so that when the container is closed by the lid is, the edge is held in contact with the contact surface and the cover associated with the edge is tensioned so that it is with the edge together gives a good sealing effect.

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The snap device is intended to snap over the annular flange and for this purpose has a cam surface that is used for clamping of the lid snaps on the edge under the ring flange. The cam surface should align with the lid extend outside and above. This direction of the cam surface is chosen so that when it is below the annular flange, the cam surface with the cooperating ring flange surface encloses an angle of about 20 °. In addition to the cam surface, the snap device can have an additional one Have cam surface that snaps over the ring flange when the lid is pressed down on the ring rim to seal the container. The first and second cam surfaces should make an angle in the range include between 80 and 90 °. One or both of the cam surfaces may be associated with a rib that extends inward from an apron. The apron is lying in the circumferential direction around the closure or cover outside the edge of the ring. The rib can also be designed in the shape of a ring. The apron is designed so that it springs away over the ring flange when the cover is pushed open. To make this easier, the apron should be provided with slots evenly distributed over its circumference. The slots are preferably longitudinal slots that are in the apron down to the rib.

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The closing member should preferably have an annular wall that when the closing member is placed on a the surface of the container adjoining the annular edge comes to rest; there should also be one concentric to it have an inner annular wall arranged on this annular wall, and it should have a connecting portion have, which connects the two annular walls to one another at their undersides, with the inner inside annular wall below its upper edge but above the connecting section a connected to the inner wall Support member is provided, which is preferably an integral membrane with the inner wall, which has a uniform Thickness and which has an annular rib concentric to the inner wall at a distance therefrom.

The container should also have a bottom and a wall which tapers conically from above to the bottom. The container wall should extend beyond the bottom to form an apron beyond the bottom, which, like the wall, extends in the circumferential direction. Inside this apron should be the bottom with an annular flange be provided, which is directed downwards and concentric to the apron. The height of this ring flange should be slightly less than that of the apron.

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The container wall should also have another outside Be provided annular flange, which is arranged below the flange of the container with the snap device cooperates. The further annular flange should have a first section directed radially outward and a second section that adjoins this outside and that goes down from the first section, for example runs parallel to the container wall. The second ring flange should have a slightly larger diameter than the first Ring flange including the snap device when the cover is on.

The second ring flange is intended to be a support device for the Pick up containers that have straight trunnions at both ends for storage in the second annular flange, between which the bow-shaped, optionally having a handle having carrying device is located.

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Character description b_u__n__g

An exemplary embodiment of the invention and a modification are described below with reference to the drawing. In the drawing show:

Fig. 1 shows a container designed according to the invention, the upper end of a container according to the invention Has closure to which, in addition to the upper end of the container, a corresponding closing member in the form of a lid, the arrangement being essentially as a central longitudinal section is shown

Fig. 2 in a larger representation and in section a part of the solution according to Fig. 1 and

FIG. 3 shows another version of the invention in a representation roughly corresponding to FIG. 2.

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According to FIGS. 1 and 2 of the drawing, the container has the Shape of a bucket 1O with a frustoconical wall and a floor 12. The wall 11 tapers towards the floor 12 and extends beyond the floor by one Form apron 13. The bottom is on the bottom provided with a downwardly directed annular flange 14, which has a radial distance from the skirt 13 on all sides. The wall 11 ends in an upper edge 15. Near this the upper edge of the wall is provided on the outer circumference with a flange 16 which protrudes downwards. The flange 16 has a downwardly and obliquely outwardly extending upper side 17 and a flat bottom 18. The bottom lies in one Plane that runs horizontally when the longitudinal axis of the bucket is vertical. The wall 11 is on the outer circumference an outwardly and downwardly directed fender strip 19, which the wall 11 is annular over its entire outer circumference surrounds. The fender strip 19 is provided with a pocket 20 at the two ends of a diameter. Every Pocket is provided with a hole 21, and in these two holes there is a C-shaped wire hanger 22 with its ends inserted, between which a handle is attached to the bracket.

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A lid 24 is provided for use in connection with the bucket 10. This cover 25 is with a disk-shaped Membrane 25 provided, which has a constant thickness and provided with an annular back 25a whose sides are at an angle of 15 ° to the main plane of the membrane. The membrane 25 is on hers The circumference is provided with an annular rim 26, the lower end of which is below the main plane of the membrane. The edge strip 26 is double-walled, so that a channel open at the top between the inner wall leading to this parallel outer wall 27 and the bottom 28 is present, which connects the inner and outer walls to one another. The outside wall 27 ends at the upper end in an outwardly directed annular flange 29 with a contact surface 30 on the underside. An apron 31 is attached to the outer edge of the flange 29. The skirt 31 has an upper section 32 which is rounded and directed downwards from the flange 29 is. It also has a lower portion 33 which extends downward parallel to the outer wall 27. in the lower section 33, the skirt 31 has an inwardly directed rib 34 and below this rib 34 one outwardly directed shoulder 35. The lower section 33 of the skirt 31 ends in a lower inclined surface 36. Finally, the skirt 31 has longitudinal slots 39 which extend down into the rib 34.

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The rib 34 has an upper cam surface 37 that extends extends outwardly and upwardly relative to the cover 24, and an inner and lower cam surface 38, respectively, which extends relatively to cover 24 inwardly and upwardly. The upper cam surface 37 is arranged so that when the lid 24 is placed on the bucket 10, the angle between the plane containing the upper cam surface 37 and the plane Underside 18 of the flange 16 of the bucket 10 receiving Level is 20 °. The angle between the lower cam surface 38 and the adjacent inner wall of the lid 24 after placing it on the bucket is 30 °.

If the lid 24 is placed on the bucket 10, the contents of the bucket To close, the skirt 31 is initially over the edge 15, the lower cam surface 38 being in contact with it the top 17 of the flange 16 after the apron by means of the inclined underside 36 of the apron 31 over the Top 17 has been passed. To secure the lid 24 on the bucket 10, the lid is pressed downwards, the lower cam surface 38 slides over the top 17 of the flange 16. The apron 31 is a result the increasing outer circumference of the top of the flange and the decreasing inner circumference of the lower cam surface of the rib 34 bent outwardly, since the top 17 and the cam surface 38 cooperate accordingly when the

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Cover is pressed down. The elastic expansion of the apron is supported by the slots 39. Since the The apron is widened outwards by a progressively increasing angle of the wall 11 of the bucket 10, the resilient bias of the apron 31 increasingly tends to return the apron to its relaxed starting position, when the lower end of the upper cam surface 37 comes below the plane of the lower side 18 of the flange 16, around then the skirt 31 under the action of its progressively reached maximum bias in the direction of the bucket 10 inwards under the underside 18 of the flange 16 to get there. However, because the upper cam surface 37 is at an angle to that of the lower surface 18 The plane of the flange 16 is inclined, which pulls after Inside the bucket directed bias of the apron this down to the contact surface 30 in a good sealing connection with the opposite edge 15 to bring. The downward movement of the closing member 24 on the Bucket 10 also causes the outside of wall 27 of closure 24 to be in contact with the inside of wall 11 of the bucket 10 to slide down. Because the wall 11 of the Bucket 10 tapers conically downwards to the bottom 12, the outside of the wall 27 of the closure 24, and act the inside of the wall 11 of the bucket 10 together with increasing friction. As a result, lie

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the outside of the wall 27 of the closure 24 and the inside of the wall 11 of the bucket 10 close to one another and thus support the between the contact surface 30 and the edge 15 given sealing effect, which is present when the skirt of the closure 24 is pulled down by the upper cam surface 37 with the underside 18 of the flange 16 cooperates.

If you try to remove the lid from the bucket 10 with a tool, for example a screwdriver, placing this tool between the wall 11 of the bucket and the apron 31 is inserted, this will not succeed because the shoulder 35 is a local deformation of the apron prevented and the whole lower part of the skirt is pivoted radially to the container against the tool when the tool is operated to raise the rib 34 outwardly to remove this rib 34 from the flat bottom 18 of the flange get released. The result of this will be that the rib 34 will come into effect under the flange 16 even more firmly and this effect is reinforced by the Inclined surface of the upper cam surface 37 slides even further under the flange 16 if the cover 24 is relative to the Bucket TO is pivoted.

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The most convenient way to remove the cover 24 from Bucket 10 is the cutting or slitting of the apron 31 in order to prevent the rib 32 from interacting with the plane Underside 18 of the flange 16 to get free. Is the Apron 31 cut or slit open once in order to remove part of the contents of the bucket after removing the lid can be seen from the bucket, the lid would not only be easily recognizable as being cut open or slit open, but the lid 24 could no longer close the bucket effectively and tightly.

If a filled and closed bucket is placed on top of a correspondingly designed, filled and closed bucket turned off, the apron 13 of the upper bucket, which extends downward from the bottom 12, extends with its outside insert into the inner surface of the inner wall 26 of the closure of the lower bucket and sit on the Support the top of the membrane 25 of the lid 24 of the lower bucket. Since the skirt 13 has a greater height than the annular flange 14, the weight of the upper bucket to be supported on the lower bucket is in an annular area of the membrane of the lid of the lower container near the inner wall 26 is concentrated. As a result, the membrane 25 of each lower cover 24 bent downward in the area within this annular area, the height of the annular rib 25a

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on the top of the membrane is reduced. This in turn also has the consequence that the inner wall 26 of the each lower closure is inclined radially inward and the bucket wall 11 of the respective grips the upper bucket at its lower end, rests against it and, as it were, wedges it, the sealing effect between the edge 15 and the contact surface 30 also increasing. At the same time, this measure serves to secure the respective upper bucket on the lower bucket against tipping.

The contents of the bucket 10 do not bend the bottom 12 of the bucket impermissible if the bucket is placed on a level surface. Even after a very slight deflection of the bucket bottom 12 under the weight of the bucket contents is namely the bucket bottom with the annular flange 14 on the Support the surface supporting the bucket and prevent it from bending any further.

The fender strip 19 of each bucket is dimensioned so that the The fender strip has a larger diameter than the skirt 31 of the attached lid. This means that there are people standing next to each other Buckets at most with their fender strips against each other, so that the lids cannot and cannot lie against each other there is a risk that the lids of adjacent buckets will open each other unintentionally.

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Of course, the dimensions of the device resulting from FIG. 2 can be changed. So can For example, the inner cam surface 38 with the adjacent inside of the associated cover 24 at an angle of 20 °. In a corresponding manner, the side wall of the annular rib or of the annular back part 25a of the membrane 25 enclose an angle of more than 15 with the plane thereof.

According to FIG. 3, the inner or lower cam surface 38 can have a different profile than in FIG. 2. While they are in Fig. 2 runs obliquely, but is inherently flat, the lower cam surface in the solution of Fig. 3 has the shape a curve. In addition, in the solution according to FIG. 3, the upper cam surface and the lower cam surface merge 38 to a round transition in the area χ.

It can also be seen from the description of the invention that when assembling buckets or containers in general, and lid, or generally closing element, no special seal is required between container and closing element, when the container is closed by such a closing element. In known closures that against a To secure unauthorized access, such a seal is required.

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Finally, it should be pointed out that when assembling a closing element with a container According to the invention, the risk of a stack of containers overturning is low.

In summary, the invention can thus again be as follows To be defined.

The invention relates to a container and a Closure for such a container. It is known by Containers and closures assumed in which a closure is to be assigned to a container so that the The container is secured against unnoticed unauthorized access to its contents. A disadvantage of previously known solutions is seen in the fact that a seal must be inserted between the container and the actual closing element, to prevent the contents of the container from accidentally escaping from the container when the container is closed, especially if the contents of the container are a liquid. As another one related to the invention A disadvantage of the known solutions that plays a role is considered that the closed container is at most in can be stacked on top of each other to a limited extent.

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In order to avoid these disadvantages, according to the invention a container closure from the appropriately designed container part and the actual closing element proposed, in which the container has an upper ring edge and an outwardly directed ring flange under the edge, wherein the closure also has an annular bearing surface on which the ring edge comes to rest. It is a snap device is provided which is intended to cooperate with the annular flange so that when the container is closed with the closing member, this in sealing and, as it were, sealing cooperation with the container edge is brought. The closing member has two ring walls which are arranged coaxially to one another and in one run predetermined distance from each other. The container is also provided with a bottom, below which one Apron of the container wall is present, with which an upper of two containers placed one on top of the other within the channel with the two ring walls.

In this way, according to the invention, there are containers with closures to create that do not need a special seal for tight closure and of which several on top of each other can be stacked without the risk of Tipping over.

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Claims (20)

■ P 72 P 100 Applicant: POLYTHEME DRUMS (LAr ¹ CASrIIJTi]) LTD. , .Hiebs Road, East Gillibrands , Skelmersdale, Lancashire, ^r JN3 99 UH, England Tijtel: Container closure P a t_e ⁿ "t a_n_ s rvr- ü" ch <? . f 1. container closure, characterized in that the ■ Container (TO) with an upper annular rim (15) and below this rim with an outwardly directed one Annular flange (16) is provided, while the actual closing member (24) has an annular contact surface (30) which cooperates with the edge, wherein a snap device (37) for cooperation with the flange in the white is determined that when the closing element is placed on the container, the edge with the Snlag.eflache cooperates to in the cocked state a sealing effect between the container and the closing element to manufacture. 2. Container closure according to claim 1, characterized in that that the snap device has a cam surface (37), the bai attached closing member (24) below the annular flange (16) of the "container (10) is. 27.11 .18 - 2 - * -i C £ h 2 H / 0 5 7 7 3. Container closure according to claim 2 , characterized in that the squatting surface (37) is directed obliquely outwards and upwards. 4. Container closure according to claim 3, characterized in that that when placed on the container (10). Closing element (24) and under the ring flange (16) lying cam surface (37) the cam surface (37) with its interacting underside (18) of the ring flange encloses an angle of about 20 °. 5. Container closure according to one of claims 1 to 4, characterized in that the snap device has a further cam surface in addition to a cam surface (37) (38) which slides over the top (17) of the annular flange (16) when the closing element (24) is pushed into its end position on the container (10). 6. Container closure according to claim 5, characterized in that that the two cam surfaces (37, 38) of the closing element form an angle in the range between 80 and include 90 °. P 72 P 100 11/27/78 - 3 - S0S8 2S / 057 7 7. Container closure according to one of claims 1 to 6, characterized in that one of the cam surfaces or both cam surfaces (37,38) of a rib (34) on the inside, an apron (31) is or are assigned, this apron around the closure (24) is led around and outside the contact surface (30) or the ring edge (15) lies. 3. Container closure according to claim 7, characterized in that that the rib (34) is guided annularly around the closing member (24). 9. Container lock according to claim 8, characterized in that that the skirt (31) when the closing member (24) is pushed onto the container (1o) over the annular flange (16) springs away. 10. Container closure according to claim 9, characterized in that that the skirt (31) is provided with slots (39) evenly distributed over its circumference. 11. Container closure according to Claim 10, characterized in that that the slots (39) are longitudinal slots that are parallel to the central longitudinal axis of the closure (24) are directed and extend into the rib (34). 72 P 100 11/27/73 - 4 - Q0 9 329 / QB77 12. Closing member for a container closure after a of claims 1 to 11, characterized in that there is a circumferential channel with a inner wall (26), an outer wall (27) and a floor (28) connecting the two walls to one another comprises that the outer wall intended to interact with a surface adjoining the edge (15) is and that a load-bearing surface (25) is provided within the inner wall, which is below the upper edge of the inner wall and above the channel bottom. 13. Closing member according to claim 12, characterized in that the load-bearing surface has a membrane (25) has, which is attached to the inside of the inner channel wall (26), is of the same thickness throughout and is provided with an annular rib (25a) within the inner channel wall. 14. Container for a container closure according to one of the Claims 1 to 11, characterized in that it has a base (12) and one conical towards the base having tapered side wall (11). P 72 P 100 11/27/78 - 5 - 909329 / 0B77 15. Container according to claim 14, characterized in that that the side wall (11) is guided beyond the base (12) to create an apron (13) below the base to build. 16. Container according to claim 15, characterized in that the container base (12) inside the skirt (13) is provided with a downwardly directed annular flange (14) is. 17. Container according to claim 15, characterized in that the outer diameter of the skirt (13) is somewhat smaller than the inner diameter of the inner gutter wall (26) is. 18. Container according to claim 16, characterized in that the apron (13) is slightly higher than the annular flange (14) is. 19. Container according to claim 18, characterized in that the container wall (11) on the outside with a second annular flange (20) is provided below the annular flange (16) which interacts with the snap device, the one radially outwardly directed section and P 72 P 100 11/27/78 - 6 - +49 9829/0577 one attached to its outer end, running approximately parallel to the container wall (11) downwards Has portion and whose diameter is larger than the diameter of the snap device with the lid on. 20. Container according to claim 19, characterized in that that the second annular flange (20) receives a support device (22) of the container. 21. Container according to claim 20, characterized in that that the support device (22) has bearing journals at opposite ends which are articulated in bearing eyes (21) of the second annular flange (20) are used. 22. Container according to claim 21, characterized in that the carrying device (22) between its ends is provided with a handle (23). P 72 P 100 3/20/1979 - 7 - 909829/0577