WO2009152798A1

WO2009152798A1 - Container with lid

Info

Publication number: WO2009152798A1
Application number: PCT/DE2009/000783
Authority: WO
Inventors: Marcus Blumenschein
Original assignee: Jokey Plastik Wipperfürth GmbH
Priority date: 2008-06-17
Filing date: 2009-06-04
Publication date: 2009-12-23
Also published as: US20090308883A1; DE202008007986U1; EP2293989A1; DE112009002037A5

Abstract

The invention relates to a container with lid, in particular a bucket with a lid, the container wall being provided with an outwardly projecting shoulder (12) at the upper part thereof and stackable one within the other. According to the invention, a container with a lid may be produced simply and economically and where possible by means of the in-mould labelling method, wherein a radial outward and/or axial projection (16, 30) is provided on the outside of the shoulder (12), wherein furthermore (1) an upper container edge (5) is provided with at least one recess (35) in which the at least one projection (30) on the shoulder (12) engages with containers stacked one within the other with an engagement providing a security against rotation and/or (2) wherein the at least one axial projection (16) runs at least partly around the container (1) and engages an upper container edge region (5,7) of the lower container of the containers stacked on within the other.

Description

Container with lid

The invention relates to a container with lid, in particular bucket with lid, the container having a container wall, a container bottom and a container opening, which is bounded by a container top edge, and in the upper region of the container wall fastening means for fixing the lid or a circumferential, radially inwardly protruding frame, on which the lid is releasably fixable, wherein the container wall has at its upper portion an outwardly projecting shoulder and wherein the containers are stackable.

Generic containers are variously known, and these may also be formed, for example, for receiving coating compositions, foods or the like, relatively large volumes, for example with a container receiving volume of ≥ 2-5 1. Such containers must meet various requirements, not only in terms on the tightness of the filled containers. If necessary, the containers should also be able to be produced using the in-mold-labeling method, wherein the container inner wall should, if possible, not have any inwardly projecting projections or webs in order to temporarily stabilize the container wall by means of a peripherally guided supporting device. to be able to Furthermore, also often the container outer wall should be possible vorsprungsfrei. On the other hand, to prevent separation of the containers, for example during their manufacture, an anti-rotation of nested containers should be provided against each other. Furthermore, the container for the purpose of saving raw materials should have the lowest possible weight, in which case the arrangement of otherwise usual outside around the container circumferential flanges with downwardly drawn edge region should be avoided as far as possible. However, there is then the danger that containers stacked one inside the other can become wedged together at greater stack heights, thereby damaging the outer label or making it more difficult to separate the containers. This danger can usually not be eliminated by the outwardly projecting paragraph, since this usually only relatively slightly protrudes outward. Such a risk could be eliminated by stacking webs arranged on the inside of the container, which limit the stacking height of the containers, but this in turn makes it more difficult or impossible to carry out an in-mold labeling process.

The invention is therefore based on the object to provide a container with a lid, which is simple and inexpensive and, if possible, in the in-mold-labeling method produced.

This object is achieved by a container according to claim 1. In this case, the container may have at least one recess in a peripheral edge provided in an upper container region, into which a projection of another container attached to the shoulder outside the container engages against rotation, when the containers are stacked inside one another. By this rotation ^¬ securing the container against each other an automatic separation of the container is possible, at the same time the Damage to any attached to the outside of the container

In-mold labels is prevented. The depression on the container wall is open at the top. The recess may be formed as through ^¬ refraction or recess of the container wall. Also, the recess may also extend over only a part of the container wall thickness, so that the recess is formed in the manner of a bulge, as long as it is ensured that this can engage in a rotationally locking on the shoulder of a container einzustapelnden projecting axially downwards projection.

The peripheral edge provided on the upper container region may be the free upper container upper edge defining the container opening. If the container optionally has a plurality of circumferential shoulders in the form of a cascade-shaped container opening, so that, for example, a plurality of outwardly projecting shoulders of increasing diameter are provided, then for example the projection projecting downwardly on the shoulder outside may also be secured in a rotationally locking manner Engage recess of a peripheral edge, which is formed by the container inside of such a paragraph.

Alternatively or additionally, the outside of the container provided on the shoulder, axially preferably projecting to the container bottom projection at least partially or completely circulate around the container and engage behind an upper container edge preventing radial expansion at the respective lower of the nested containers. Here, too, the behind-engaged upper edge of the container may represent the upper edge of the container defining the container opening, or may optionally be formed by a further shoulder, for example if a container is provided with a cascade-like arrangement of shoulders. As a result, the container according to the invention can be produced particularly easily and without risk of damage to the label in the in-mold-labeling process and can be automatically separated automatically due to the anti-twist device, even with large stacking heights of heavier containers a separation of the containers into one another can be reliably avoided , Furthermore, in this way, in the case of the containers according to the invention, a circumferential flange with edge region pulled down towards the container bottom, which extends at least substantially vertically or with only slight inclination to the container main axis, and which mostly stabilizes the container wall in the region of the container opening and / or for holding a carrying handle is provided, be dispensable. Such flanges are usually provided with radial stiffening ribs which connect the vertically downwardly directed edge region with the container outer side. Typically, in such flanges, the outer edge of the lid is pulled down around the container top edge to at least approximately the flange.

The container outside arranged projections of the container according to the invention can be formed at the same time on the substantially vertical or obliquely sloping towards the container bottom container wall. The projections may optionally protrude radially outwardly beyond the shoulder, preferably they are flush with an outer edge of the shoulder or are opposite this in the direction of the container wall. Optionally, these projections may be slightly spaced from the container wall, although this is not preferred. Optionally, the projections may also be slightly spaced from the heel in the vertical direction and be formed, for example, on the downwardly sloping container wall, preferably they are integrally formed on the underside of the heel. Preferably, the vertical spacing of the projections to the shoulder, if any, is less than the height of the projections. ber, <H or ≤ H of the protrusion height.

The axial extent of the recess of the container edge, which receives the anti-rotation projections, and / or the axial extent of the anti-rotation projections itself may be less than / equal to 4 to 8 times, less than / equal to 2 to 3 times or less than / equal be the simple tank wall thickness. The circumferential extent of the recess of the container rim and / or the anti-rotation projections may be less than or equal to 15 to 20 times, less than / equal to 8 to 10 times, less than or equal to 4 to 6 times smaller than or equal to 2- to 3-fold or simple container wall thickness. This can apply in each case with respect to the container wall thickness directly below or above the paragraph.

The shoulder may protrude smaller than or equal to 8 to 10 container wall thicknesses, less than or equal to 4 to 6 or less than or equal to 2 to 3 or smaller / equal to a container wall thickness from the container wall radially outwardly. This may apply with respect to the vessel wall thickness immediately below or above the heel. This may also apply if the shoulder is designed as a radially projecting web.

The at least one protrusion projecting axially from the shoulder to the container bottom may have a height which is less than or equal to 5 or less / equal to 3 to 4 times, less than / equal to 1 to 2 times or less than / equal to 0 , 5 times the height of the radial extension of the paragraph. The height of the protrusion projecting from the shoulder axially of the container bottom may also be less than or equal to 5 or smaller / equal to 3 to 4 times, less than / equal to 1 to 2 times or less than / equal to 0.5 times Container wall thickness immediately or or below the paragraph be. The radial thickness of the projection may be smaller than the container wall thickness, eg less than or equal to H ₁ less than or equal to ^ or small ner equal to 1/3 of the container wall thickness.

The container may have on the container wall articulated joints for holding a support bracket, for example in the form of radially projecting pins, which are preferably mounted directly on the container wall and not on a circumferential flange. The container wall may have a greater wall thickness in the region of the joint connections. The recesses for receiving the anti-rotation projections and / or the anti-rotation projections themselves can be arranged in the region of the joint connections. Thus, a recess and a rotation-locking projection associated therewith can be arranged directly above the articulated connection, two such recesses and / or projections can also be arranged on both sides of the articulated connection, preferably at a short distance in the circumferential extent to the latter. Optionally, however, the recesses and / or anti-rotation projections mentioned may also be arranged on other peripheral regions of the container.

The heel of the container wall can be designed such that it also causes a change in cross section on the inside of the container, for example in the form of a stepped shoulder, radial offset or inclination change of the container inner wall, optionally the container inner wall can also be formed substantially continuously at the level of the shoulder. Preferably, the heel enlarges the inner container radius of the container cross-section arranged above the shoulder relative to the container cross-section arranged below the shoulder. Optionally, the paragraph may also be formed only in the form of a partially or fully encircling around the container web of the container outer wall. Optionally, the recesses for receiving the anti-rotation projections may also be arranged on a container outside the container upper edge arranged web. The umlaut At least one of the webs may be at least substantially free of a vertically downwardly extending region. A portion of the web extending vertically downwards from the land bottom can be 3 to 4 times smaller, 1 to 2 times smaller or equal to 0.5 times the height of the wall formed on the wall Have web area. The height of the web can be less than / equal to 3 to 5 times or less than / equal to 2 to 3 times the height of the depressions and / or thickness of the container wall at the level of the web. The radial extent of the web can be less than / equal to 4 to β times, preferably less than / equal to 2 to 3 times or less than / equal to 1 times the height of the web.

If necessary, the anti-rotation projections can also be hook-shaped in order to be able to engage in the recesses. In general, the recesses may also be formed as two spaced-apart lateral stops. Generally, if desired, the anti-rotation projections on the respective lower of the stacked containers and the anti-rotation receiving receptacles on the upper one of the stacked containers may be arranged.

Preferably, except for the protruding paragraph and / or except for the holding areas of the bracket, the container outer wall is formed free of projections.

The protrusions forming an anti-rotation lock and / or partially protrusions preventing axial expansion can each be formed with stiffening areas. In particular, the projections which form an anti-rotation device and which can generally extend essentially in the radial direction, and the projections which extend at least partially around the container, can be molded onto one another. The anti-rotation projections can reach behind the one edge of the container in height. the projections jump back in height or at least in

Substantially flush with these.

It is understood that in general also a plurality of at least partially extending around the container circumference projections may be provided, which are preferably distributed uniformly over the container circumference. Optionally, only a completely around the container circumferential projection or edge may be provided which extends from the projecting shoulder to the container bottom.

Preferably, the container is designed such that when stacked containers of the upper container seated with its shoulder or circumferential ridge on a container edge of the lower container, preferably on the upper free, the container opening defining upper edge of the container.

Preferably, the upper portion of the container wall has a radially inwardly and / or outwardly directed constriction through which a circumferential, from the Behälteraussen- and / or -Innenseite recessed web is formed on the upper container wall. The at least one at least partially or completely circumferential projection of a stacked container can engage behind the web on the outside. As a result, when stacking the container nesting a radial spreading of the container is reliably prevented even at large stack heights. At the same time, the recessed region of the upper container wall can at least partially or completely accommodate a peripherally encircling, drawn down edge region of the lid. The lid can be flush with the container outside. The same applies to an outer peripheral, drawn down edge region of a frame to which a lid can be fastened. The web can thus extend upward, in particular at least substantially parallel or only slightly inclined to the container main axis, preferably in extension the container wall. The inclination of the web to the container main axis may be less than / equal to ± 20 ° or ± 10 °. The upper edge of the web can represent the upper edge of the container.

In particular, fastening means for fixing the cover and / or the lid defining a frame may be provided on the upper region of the container wall, which may be designed in particular in the form of latching means, for example in the form of a circumferential radially projecting latching edge. In particular, these attachment means can be arranged on a preferably upwardly extending web, which is integrally formed on the upper region or the upper edge of the container wall. The radially inner or radially outer side of the web can pass continuously and preferably without steps or offset in the container inner wall. The fastening or latching means arranged on the web can thus be arranged radially on the outside and / or radially on the inside of the web. The web preferably has a smaller radial wall thickness than the container wall.

It should be understood that in general, the anti-rotation protrusions also extend into recesses of a shoulder or ridge of an upper stacked container, i. "From below" can intervene, even if an intervention "from above" is preferred.

In order to stabilize the upper container area, it is furthermore preferred if the container wall widens in its wall thickness above the shoulder towards the upper edge of the container.

The invention will now be described by way of example with reference to exemplary embodiments. Show it:

FIG. 1 shows a cross-sectional representation through an invention fertilized container with lid,

FIG. 2 shows a partial cross-sectional view of nested containers according to FIG. 1,

FIG. 3 shows a partial view of nested containers according to FIG. 1 in a further cross section,

FIG. 4 shows a side detail view of a container according to FIG. 1,

Figures 5 and 6 are schematic cross-sectional views of inventive container according to two further embodiments.

The container 1 according to the invention according to FIGS. 1 to 4 has a container wall 2, a container bottom 3 and a container opening 4, which is delimited by an upper edge 5 of the container wall. In the upper portion 6 of the container wall, according to the embodiment of the container upper edge 7, fastening means 10 for fixing a lid or a circumferential, radially inwardly projecting frame 8, to which a cover 9 is releasably fixed, are provided. The fastening means may in particular be designed as a completely circumferential latching edge, optionally also as a plurality of locking projections distributed over the container periphery. The container wall 2 has in its upper region below the fastening means on an outwardly projecting shoulder 12. This shoulder can also be formed on the inside of the container in the form of a stepped shoulder or radial offset, if necessary, the container inner wall may also be formed substantially continuously at this point or have only a change in their angle of attack to the container main axis 13. Preferably, however, by the paragraph, an enlargement of the container inner radius of the above paragraph zes arranged container cross-section 15a relative to the

Container cross section 15b below the same conditions. Furthermore, the containers are stackable formed, to which the container wall can converge conically at least in the area below the protruding paragraph 12 to the container bottom.

At or in the area of the shoulder 12, at least one projection 16 projecting axially towards the container bottom 3 can be provided outside the container, which according to the embodiment is designed as a radially encircling edge, but also by two, three or a multiplicity of projections distributed over the container circumference, which possibly ., need only partially circumscribe around the container, may be formed. With containers (shown in FIG. 2) stacked one inside the other, the projection 16 can engage behind an upper container edge region, which in this case represents the container upper edge 7, radially outward, preventing a radial widening of the lower stacked container Ib. The projection 16 is in this case arranged on the upper container Ia. In general, in the containers stacked inside one another, the container outer side underside 17 of the shoulder 12 can rest on the container upper edge 7, so that an annular abutment is provided. Optionally, the paragraph bottom 17 may also be slightly spaced from the container top edge 7.

Furthermore, the container is designed such that when the containers are nested one inside the container outer wall 18 of the upper container Ia at the level of paragraph 12 of the lower container Ib of its container inner wall 19 is only slightly radially spaced, for example, ≤ the 3 to 5 times, ≤ the 1 to 2 times or ≤ 0.5 to 0.75 times the wall thickness of the lower container immediately below and / or immediately above the heel 12, if necessary, the container outer wall 18 of the upper container Ia at the height of the paragraph 12 of the lower container Ib also rest against the container inner wall 19 of the lower container. As a result, the stability of the container stack is substantially increased, which may apply generally and independently of the embodiment.

The upper portion 20 of the container wall may have a radially inwardly directed constriction 21, through which a circumferential, 22 from the container outer side 18 recessed web 22 is formed on the upper container wall. The web may be substantially axial, i. extend without or only at a slight angle to the container main axis, optionally in axial extension of the container wall. The at least partially encircling axial projection 16 can grip the web 22 on the outside in the case of stacked containers, so that the web is fixed in the radial direction by the projection or prevented from radially widening. The projection can engage behind the web with a slight play in the radial direction, for example a radial distance ≦ 1 to 2 times the container wall thickness, or in the case of containers stacked one inside the other substantially powerless or under a certain bias on the outside of the web.

On the web 22 fastening means 10 are further attached or formed, which are formed here in the form of locking means, more precisely in the form of a circumferential locking edge. The fastening means 10 are used to define a cover and / or a lid defining frame 8. The fastening means may be arranged radially on the outside of the web 22 or integrally formed, but optionally also radially inwardly. As shown in Figure 1, the radially outward, downwardly pulled down edge region 26 of the frame or container can be flush with the outside wall of the container or project slightly outwards. The frame or lid can in this case have an annular, downwardly open groove 24, which at least partially or completely receives the web 22 and may be pulled down to the container inner wall to below the web.

The region 27 of the container wall arranged above the shoulder 12 can widen in its wall thickness toward the container upper edge 7, in particular as far as the foot of the web 22. If necessary, the container inner wall above the shoulder may lead to the container main axis 13, ie. H. directed radially inwardly, be slightly inclined.

Furthermore, according to FIG. 3, a plurality of projections 30, preferably evenly distributed over the circumference, are arranged on the shoulder 12 on the shoulder 12; according to the exemplary embodiment 4, projections 30 are arranged adjacent to and on both sides of the articulated connections 31 for fastening a bracket 33. The projections limit at least approximately the reinforcing region 32 of the region of the container wall on which the respective articulated connection, for example in the form of a projecting pin, is arranged. The circumferential extent of these projections 30 according to the embodiment substantially corresponds to their radial extent, but it may optionally be larger. The projections 30 are further formed (see Figure 3) on its side facing the center of the container on the outer wall 18 of the container. The axial and / or UmfangserStreckung of the projections 30 corresponds here substantially to one to two wall thickness immediately below or above the paragraph 12. Optionally, the projections 30 may also be designed strip-shaped with greater circumferential extent.

The projections 30 is in the upper container area, according to the embodiment of the container top edge 7, a corresponding or possibly a larger number of Recesses 35 assigned, in which engage the projections in nested containers an anti-rotation of the container forming against each other. The circumferential extent of the recess may be substantially the same as or greater than that of the protrusions 30 engaging therein. The axial depth of the recesses corresponds substantially to the height of the projections. The bottom of the paragraph 12 can sit in nested containers on the upper edge of the container 7 of the underlying container. The lower edge of the projections may be slightly spaced from, or substantially seated on, the lower edge of the recess. The circumferential extent of the recesses 35 substantially corresponds to the axial extent or is slightly larger as in the embodiment. Optionally, instead of the over the entire container wall thickness extending recesses or openings still open at the top only pocket-shaped, over a portion of the container wall thickness or one or both sides laterally closed recesses may be provided, as long as they receive the projections of the stacked container against rotation. By the rotationally engaging in the recesses projections an automatic separation of the container is much easier.

As shown in FIG. 3, the recesses can partially or almost completely break through the fastening means 10 designed as a latching edge, but the latching edge can also be arranged below the recesses. The projection 16 may terminate with its underside or lower edge at least substantially flush with the underside of the projections 30 or protrude axially relative to the latter, so that the projections 30 may be concealed in side view. Optionally, however, the projections 30 protrude relative to the projection 16 downwards. The projections 30 and the at least one or the a plurality of projections 16 are integrally formed and merge into each other, whereby they are stabilized.

Regardless of the embodiment, the axial extent of the projections 16 and / or the projections 30 may be ≤ 3 to 4 times or ≤ 1 to 2 times the container wall thickness, according to the embodiment in about half the container wall thickness.

The preferably circumferential projection 16 may partially overlap the attachment means, which is attached to the web of the container upper edge, in height, which may apply regardless of the embodiment. Furthermore, generally disposed on the shoulder at least partially circumferential projection 16 which arranged on the upper container edge web which projects from the upper container edge upwards and this constricted, at least partially overlap, preferably only partially overlap, in particular only in the upper region of the Web, on which at the same time the fastening means for a cover and / or frame can be arranged.

In general, the shoulder on which the at least one protrusion projecting axially, preferably in the direction of the container bottom, may possibly also be formed merely as a peripheral web 50 of the container outer wall 51. FIGS. 5a, 5b show the container in different cross sections according to FIGS. 2, 3. The container inner wall 52 at the level of a paragraph formed in this way may optionally be formed at least substantially rectilinearly or continuously and continuously and without a step or possibly without changing the angle of inclination on the container inside. In this case, the web preferably extends essentially only in the radial direction outwards, ie apart from the integrally formed projection 16 extending in the axial direction itself, there is none pulled down edge area. Again, the

Web preferably on its underside anti-rotation projections 30, each in a recess 35 of an upper container edge, e.g. the container upper edge 7, can intervene. For the formation of the partially encircling and expansion-preventing and / or anti-rotation projections, moreover, the above statements may apply in full. The axial extent of the web, on which the at least one axial projection 16, 30 is arranged, may correspond to that of the paragraph according to the embodiment of FIGS. 1-4, it may be less than or equal to 5 to 10 times smaller than or equal to 2 to 3 times or approximately 1 times the container wall thickness correspond.

FIG. 6 shows a further embodiment in a schematic representation, in which the container 60 has a cascade-shaped container outer wall with several, for example two, shoulders 61, 62. The upper and / or the lower shoulder 61, 62 may in this case be accompanied by a cross-sectional widening of the container interior, without this always being absolutely necessary with respect to the upper and / or lower heel.

Container outside on the lower shoulder 62 is an axially projecting towards the container bottom 64 toward at least partially or preferably completely circumferential projection 65 indicated that can engage in a trough-shaped depression 66 which is arranged at the upper container edge region when a plurality of containers 60 are stacked. The bottom 66 of the shoulder 62 may in this case be placed on the gutter edge 67 or be slightly spaced therefrom, for example by less than one to three container wall thicknesses. Furthermore, a substantially radially extending projection 68 (shown schematically) is arranged on the lower shoulder 62, which prevents rotation in a corresponding depression in the region of the upper shoulder 62 can intervene, for example, in a depression of the

Gutter edge 67 (shown in dashed lines). The underside of the shoulder 62, also in the form of a radially projecting web of the container wall, can run substantially horizontally but also obliquely to the container main axis, in particular sloping obliquely downward. Incidentally, here too, the above statements on the exemplary embodiment 1-4 can be fully applicable, in which case the projections 65, 68 may correspond to the projections 16, 30.

Claims

Container with lid patent claims

A container with a lid, wherein the container is a container wall, a container bottom and a container opening bounded by a container top edge, and in the upper region of the container wall fastening means for fixing the lid or a circumferential, radially inwardly projecting frame to which the lid releasably secured is, wherein the container wall has at its upper portion an outwardly projecting shoulder and wherein the containers are stackable, characterized in that on the shoulder (12) on the outside at least one radially outwardly and / or axially projecting projection (16, 30) is provided, and

(1) that an upper container edge (5) is provided with at least one recess (35), in which the at least one projection (30) of the shoulder (12) engages against rotation in containers stacked in one another, and / or

(2) that the at least one axially projecting projection (16) at least partially surrounds the container (1) and an upper container edge portion (5,7) of a respective lower of the nested containers radially outwardly engages behind.

2. Container according to claim 1, characterized in that the recess (35) of the upper container edge is arranged on the upper edge of the container (7) and / or that of the axially projecting projection behind the container edge region is the container upper edge (7).

3. A container according to claim 1 or 2, characterized in that the axial extent of the recess (35) of the container edge and / or the anti-rotation projections (30) and / or the axially projecting projections (16) smaller than / equal to the 8-fold container wall thickness are.

4. Container according to one of claims 1 to 3, characterized in that the circumferential extent of the recess (35) of the container edge and / or the anti-rotation projections (30) is less than / equal to 8 times the container wall thickness.

5. Container according to one of claims 1 to 4, characterized in that the radial extent of the shoulder is less than / equal to 4 times the container wall thickness.

6. Container according to one of claims 1 to 5, characterized in that the container has a bracket on the container wall by means of articulated joints (31) Erten bracket (33) and that the recesses (35) and anti-rotation projections (30) arranged in the region of the hinge joints are.

7. Container according to one of claims 1 to 6, characterized in that the at least one or more of the radially projecting projections (30) for preventing rotation of the at least one projection (16), which engages behind a container edge region, is / are formed.

8. A container according to any one of claims 1 to 7, characterized in that the container (1) is designed such that in container stacked containers the container outer side underside (17) of the paragraph (12) of an upper container on the container upper edge (7 ) of a lower container.

9. A container according to any one of claims 1 to 8, characterized in that the upper portion (20) of the container wall has a radially inwardly and / or outwardly directed constriction (21) through which at the upper container wall a circumferential, from the container outside and / or container inside recessed ridge (22) is formed.

10. A container according to claim 9, characterized in that the at least one axial projection (16) engages behind the web (22) on the outside.

11. A container according to any one of claims 9 or 10, characterized in that on the web (22) fastening means (10) for fixing the lid and / or the lid defining a frame are formed.

12. Container according to claim 11, characterized in that the fastening means (10) are arranged radially outwards on the web (22).

13. A container according to any one of claims 1 to 12, characterized in that the container wall (27) widened above the shoulder to the container top edge in its wall thickness.