DE4334486A1 - Plastic container with engageable lid - Google Patents

Abstract

A plastic container with an engageable lid, in which the plastic container is provided with an edge bead and a peripheral web, and the lid has an outer ring part which engages over the container edge and has, on the side facing the container edge, a bead ring which is placed below the edge bead when the lid engages, the ring part of the lid being provided with a gripping tab which is connected to the ring part by means of intended tearing points. By means of the invention, a plastic container with an engageable lid is to be designed in such a way that the lid can be removed in a particularly simple manner, if appropriate even several times, and can be fitted on sealing tightly again. The invention is characterised in that the gripping tab (8) is connected to the ring part (3), interrupting the latter at one point on the circumference, so as to be pivotable relative to the container wall (6) near to the bead ring (5) of the lid (2), in that the gripping tab (8) has, at least in one dimension, a greater rigidity than the ring part (3), and in that the gripping tab (8), or a part thereof, projects downwards beyond the web (7) in the engaged state of the lid (2). <IMAGE>

Description

Plastic container with snap-in lid, where the art fabric container with an edge bead and a surrounding web is provided and the lid an outer the container edge overlapping ring part, which on the the container edge facing side has a bead ring, which is at Snap the lid under the bead, placing the Ring part of the lid is provided with a tab that is connected to the ring part via predetermined breaking points.

Such containers, which have any shape, for example round, can be oval or angular, are used for storage and for transporting any goods, including a new Ver Close the container with the original lid light becomes.

With one from the German utility model no. 89 06 937.4 plastic container with a snap-on lids are for easy opening one or more axes parallel to the Incorrect breaking points incorporated in the lid. This should Breaks allow opening when the cover is removed expansion of the outer ring part of the lid edge. To be a Easy opening of the container without destroying the break to prevent places, is with the cover snapped into place immediately below the edge of the lid from the wall of the Protruding peripheral web.  

In a variant of this known container are two target breaks arranged side by side, between which there is a Part of the lid edge is located, which is due to a retraction can be used as a kind of grip tab. For the purpose of Opening the container, the grip tab can be grasped and opened be bent, so that the lid with reasonable force effort can be lifted off. Based on the condition of the target breaks can be recognized without any doubt whether the Contents of the container are still in their original condition.

A disadvantage of this container is that the Handle tab and the adjacent area of the ring part at Opening the container is bent relatively strongly, so that a permanent deformation can be the result. This permanent one Deformation can occur when the container is closed again cause leaks at the edge of the container. That is, one more repeated use of the lid, as only partially Emptying the container is severely restricted, because with each new opening process another permanent one Deformation can arise.

Another disadvantage of this solution is the bad Leverage of the grip tab can be seen so that the opening process is insufficiently supported. In addition, there is Possibility that the grip tab during transport or again Closing the container is accidentally pressed in and by tearing the predetermined breaking points behind the The edge of the lid can jam. This jamming makes it difficult Opening the container quite a bit.

The invention is therefore based on the object of an art To design a fabric container with a snap-on lid so that the lid is particularly light, possibly several times take and put back on tightly.

According to the present invention, the object is one Plastic container with a snap-on lid at the beginning mentioned type solved in that the tab on the ring part,  interrupting this at a point on the circumference, near the Bead ring of the lid can be pivoted relative to the container wall is articulated that the grip tab at least in one dimension sion has a greater rigidity than the ring part and that the grip tab, or part of it, is locked in place Condition of the cover protrudes down the web.

The invention now includes a plastic container Cover created, in which the lid is particularly convenient can be removed and replaced without a reduction the tightness would have to be feared. For the first time NEN of the container only the grip tab is to be grasped and deduct radially from the container wall, so that the Handle flap folded up by means of its linkage on the ring part can be. Will now continue in approximately parallel direction Pulled along the longitudinal axis of the container, the lid comes off this. In addition, the linkage of the grip tab at the ring part during the opening process no or only unbe significant bending forces exerted on the lid. This will permanent deformation is prevented, so that the container closed several times with the same lid and ge again can be opened. It also creates the web after a longer lever arm to open below of the lid.

The grip tab is by lateral as predetermined breaking points serving narrow connections connected to the ring part, so can also be used as a tamper-evident closure be used.

So that not too great forces are needed to achieve the target to break fractures, it is advantageous if the Grip tab on both sides with a connection the ring part is connected.

Because between the sides of the grip tab and the adjacent End faces of the ring part a more or less large Gap must remain, it is appropriate if the since  connections cover the surrounding web. Thereby it is prevented that the cover, for example, by means of a tool could be opened without breaking the predetermined breaking points to disturb.

In a continuation of the invention, the handle extends flap at least up to the web and comes out with one the upright grip edge, which hides the bridge. There the grip tab is particularly easy to grasp. The Grip edge can advantageously be made from a grip tab radially protruding edge in the width of the Grip tab and a molded downward-facing area consist.

To increase the bending stiffness in at least one To reach dimension, the grip tab is at least open their side facing away from the container wall with Ver provided stiffening elements. These stiffeners can advantageous from spaced apart and parallel to the axis of symmetry of the container or the lid extending ribs exist.

In a further embodiment, the grip tab is by a Thin point connected to the ring part, which preferably as Film hinge is formed.

For a particularly good attachment of the lid to the container in the Original condition and possibly again after The handle is also to be closed again can be connected to the bridge in a form-locking manner.

For this purpose, an area of the grip edge extends Grip flap over the web and is on the web too facing side with an undercut encompassing the web Mistake. In this case, the ring part of the lid and the Handle part when closing the container for the first time Web can be snapped into place.  

In one variant, the web is on the one facing the lid Provide a snap edge on the side in the edge area, behind which grips the grip tab with the lid on. That has the advantage that the lid is not even with a tool can be opened without opening the grip tab and thus to destroy the side connections.

To ensure that several lids can be stacked on top of one another to ensure the ribs extend over the Handle tab that they have no hindrance when stacking the lids form.

A major improvement in power transmission from the Handle tab on the lid is achieved in that the Ribs a stop for the outer surface of the ring part exhibit. This allows the handle tab to be swiveled upwards until the stop on the outer surface of the ring part comes into contact after a swivel of approximately 90 °, d. H. in about horizontal position with regard to the position of use of the Container. If the pull tab is then pulled further, then not only the simple tensile force acts on the lid, but also a tensile force increased by the leverage effect. So that will the removal of the lid is further facilitated.

In the following, the invention is intended to be implemented example will be explained in more detail. In the associated drawing shows:

Fig. 1 is a partially broken side view of the container age with the lid engaged;

Figure 2 is an enlarged detail view of the lid with a molded tab.

Fig. 3 is an enlarged sectional illustration in the region of the tab;

Fig. 4 is an enlarged sectional illustration in the region of the tab at a latching grip tab;

FIG. 5 shows a variant of a latching grip tab with an additional fuse;

Fig. 6 shows the arrangement of two stacked lids;

Fig. 7 is an enlarged sectional view in the region of the handle tab in a variant for a two-sided container; and

Fig. 8 is a partially broken side view of the container age according to Fig. 7 with the cover engaged.

From Fig. 1 and 2, a container 1 made of plastic with a snap-in lid 2 can be seen, the lid 2 being provided with a circumferential ring part 3 , which closes the upper edge of the container 1 in the closed state. The latching fastening of the lid 2 to the container 1 takes place in the usual way, in that the upper container edge has an edge bead 4 , behind which a bead ring 5 snaps, which is formed on the inside of the ring part 3 of the lid 2 ( FIG. 3). Furthermore, on the outside of the container wall 6 there is a circumferential web 7 , against which the lower edge of the ring part 3 rests, or at least almost touches it. This ensures that the cover 2 cannot be removed after it has snapped into place.

In order to enable the container 1 to be opened again after the container has been closed, the ring part 3 is interrupted at one point on the circumference and has a grip tab 8 in this area, which is provided with a grip edge 9 and through a thin point 10 is connected to the ring part 3 . The thin point 10 is expediently designed as a film hinge. The grip tab 8 can thus be grasped at its grip edge 9 and simply folded up.

At the same time, there is the possibility of removing the lid 2 from the container 1 .

As can be seen from FIG. 2, the grip tab 8 is simultaneously designed as a tamper-evident closure, ie it should be made clear after the first closure of the container 1 that it is still in its original state. To this end, located on either side of the pull tab 8 is a gap 11 between the grip flap 8 and the respective adjacent ring portion 3 each have a narrow connection bridges 12 is equal to the hand grip 9 by. These connections 12 are designed as predetermined breaking points and must be destroyed when the container 1 is opened for the first time. This immediately shows whether the container 1 is still in its original condition.

In order to prevent the lid 2 from being opened by means of a tool without destroying the predetermined breaking points, the connections 12 simultaneously cover the web 7 on the outer container wall 5 .

According to FIG. 3, the grip tab 8 extends to the web 7 , the handle edge 9 , which consists of a radially outwardly projecting edge 13 and a molded-down region 14 , surrounds the web 7 .

According to the invention, the grip tab 8 has increased flexural rigidity in at least one dimension. For this purpose, the handle tab 8 is hen with a plurality of parallel ribs 15 , which extend parallel to the axis of symmetry of the container 1 . These ribs 15 reliably prevent the handle tab 8 from bending when it is raised.

In order to achieve a particularly good power transmission from the handle tab 8 to the lid 2 when the container 1 is to be opened, the ribs 15 have stops 16 for the outer surface of the ring part 3 . This allows the handle tab 8 to be pivoted up until the stop 16 after pivoting about 90 ° on the outer surface of the ring part 3 comes to rest ( Fig. 3, 5) and an approximately horizontal position with respect to the position of use of the container 1 one takes. This will create particularly favorable leverage conditions that make it much easier to remove the cover 2 .

A special embodiment of the grip tab 8 can be seen in FIG. 4. Here, the downward-pointing region 14 of the grip edge 9 is provided with an undercut 17 on its side facing the web 7 . This makes it possible that when the container 1 is closed for the first time, both the ring part 3 on the bead 4 and the grip tab 8 can be snapped onto the web 7 . As a result, the lid 2 is firmly connected to the container 1 over its entire circumference.

In a further variant ( FIG. 5), the web 7 is additionally provided on its side facing the cover 2 in the edge region with a circumferential locking edge 18 , so that the lower edge of the grip tab 8 can grip behind the locking edge 18 when the cover 2 is attached. For this purpose, the grip tab 8 has a projection 19 which can be snapped behind the locking edge 18 . This variant prevents the lid 2 from being opened by inserting a tool between the web 7 and the ring part 3 of the lid 2 .

From the drawing figures, Fig. 7 and 8 show another form of execution is the arrangement of a latching gripping tab 8 on a two-edge container can be seen. The design of the grip tab 8 corresponds to that of FIG. 5. The web 7 has an additional downward peripheral edge on its outer edge. For latching on the handle tab 8 , the web 7 is provided on its side facing the lid 2 side in the edge area with a recess whose width corresponds at least to the dimensions of the handle tab 8 . A locking edge 18 is located within this recess, so that the projection 19 located on the lower edge of the grip tab 8 can engage behind the locking edge 18 when the cover 2 is in place . This variant, like the variant according to FIG. 5, reliably prevents the cover 2 from being opened by inserting a tool between the web 7 and the ring part 3 of the cover 2 .

It goes without saying that instead of the grip tab 8 described above and its variants, several such grip tabs 8 can also be arranged on the circumference of the ring part 3 , if this is considered necessary.

This solution creates a container 1 made of plastic with a lid 2 , which is particularly easy to remove and put back on without fear of a loss of tightness. To open the container 1 for the first time, only the grip tab has to be grasped and removed radially from the container wall, so that the grip tab 8 can be folded up by means of the thin point 10 designed as a film hinge until it abuts the stop 16 . If the pulling is now continued in a direction approximately parallel to the longitudinal axis of the container 1 , the cover 2 is released from it.

A particular advantage of the invention can also be seen in the fact that the container 1 can be opened and closed several times without the fear of an increasing leakage of the container 1 . In addition, it is easily possible to reuse the container 1 and to provide it with a new lid 2 . This can save a considerable amount of material, since only the cover 2 has to be replaced.

In order to be able to store several lids 2 in the form of a stack, the ribs 15 are designed such that they extend over the grip tab 8 in such a way that they do not form an obstacle when stacking. As shown in FIG. 3, the ribs 15 are dimensioned in width and height in such a way that they do not come up against the underside or the downward-pointing region 14 of the grip edge 9 when stacked.

Reference list

1 container
2 lids
3 ring part
4 edge bead
5 bead ring
6 container wall
7 bridge
8 grip tab
9 grip edge
10 thin spot
11 space
12 connection
13 edge
14 area
15 rib
16 stop
17 undercut
18 locking edge
19 head start
20 contact surface.

Claims (15)

1.Plastic container with a snap-on lid, in which the plastic container is provided with an edge bead and a rim around the web and the lid has an outer ring part which overlaps the container edge and has a bead ring on the side facing the container edge, which is under when the lid is snapped in sets the edge bead, the ring part of the lid being provided with a grip tab which is connected to the ring part via predetermined breaking points, characterized in that the grip tab ( 8 ) on the ring part ( 3 ), interrupting this at a point on the circumference, near the Bead ring ( 5 ) of the lid ( 2 ) relative to the container wall ( 6 ) is pivotally articulated that the grip tab ( 8 ) has at least one dimension greater rigidity than the ring part ( 3 ) and that the grip tab ( 8 ) or a part the same protrudes downward over the web ( 7 ) when the cover ( 2 ) is engaged. 2. Plastic container according to claim 1, characterized in that the grip tab ( 8 ) is connected to the ring part ( 3 ) by lateral connections serving as predetermined breaking points, narrow connections ( 12 ). 3. Plastic container according to claim 2, characterized in that the grip tab ( 8 ) is connected on both sides by a connection ( 12 ) to the ring part ( 3 ). 4. Plastic container according to one of claims 2 and 3, characterized in that the connections since (union) ( 12 ) cover the circumferential web ( 7 ). 5. Plastic container according to one of claims 1 to 4, characterized in that the grip tab ( 8 ) extends at least to the web ( 7 ) and is provided with a protruding grip edge ( 9 ) which covers the web ( 7 ). 6. Plastic container according to claim 5, characterized in that the grip edge ( 9 ) from an out of the grip tab ( 8 ) radially outwardly projecting edge ( 13 ) in the width of the grip tab ( 8 ) and a molded-down region ( 14 ) consists. 7. Plastic container according to one of claims 1 to 6, characterized in that the handle tab ( 8 ) is provided at least on its side facing away from the container wall ( 6 ) with stiffening elements. 8. Plastic container according to claim 7, characterized in that the stiffening elements from spaced apart and parallel to the axis of symmetry of the container ( 1 ) or the lid ( 2 ) ver existing ribs ( 15 ). 9. Plastic container according to one of claims 1 to 8, characterized in that the grip tab ( 8 ) is connected to the ring part ( 3 ) by a thin point ( 10 ). 10. Plastic container according to claim 9, characterized in that the thin point ( 10 ) is designed as a film hinge. 11. Plastic container according to one of claims 1 to 10, characterized in that the handle tab ( 8 ) with the web ( 7 ) can be connected in a positive locking manner. 12. Plastic container according to claim 11, characterized in that the region ( 14 ) of the grip edge ( 9 ) of the grip tab ( 8 ) extends over the web ( 7 ) and on its side facing the web ( 7 ) with a web ( 7 ) encompassing undercut ( 17 ) is seen ver. 13. Plastic container according to claim 11, characterized in that the web ( 7 ) on its side facing the lid ( 2 ) in the edge region is provided with a latching edge ( 18 ), behind which the grip tab ( 8 ) with the lid ( 2 ) takes effect. 14. Plastic container according to claim 8 and one of claims 8 to 13, characterized in that ribs ( 15 ) extend over the grip tab ( 8 ) in such a way that they form no obstruction when stacking several lids. 15. Plastic container according to claim 14, characterized in that the ribs ( 15 ) have a stop ( 16 ) for the outer surface of the ring part ( 3 ).