BG61940B1 - Single-edged plastic vessel having a cover fixed in a seat, cast by injection moulding - Google Patents

Abstract

The plastic vessel has improved rigidity. The vessels can bearranged one on top of the other and be transported in paletteswithout damaging the cover edges. Cover (2) has internal surface(14) which in its fixed condition is found under the upper edge(3) of the plastic vessel (1). The inner side of cover (15)engages the internal surface (4) and is supplied with acircumference thickened groove (16) having multipleinner-orientated ractangular projections (17) which connect theinner surface (14) to the inner side of cover (15). The outersection (6) of cover (2) surrounding the wall (4) of the plasticvessel (1) have a sliding outward-orientated chamfering (10) whichcontinues as an approximately vertically positioned part (11) witha greater distance to wall (4) of the vessel which ends close tothe surrounding edge (8).

Description

Technical field

The invention relates to a single-row plastic receptacle (container) with a fixed lid in the socket, cast by injection molding, with an upper edge for a fixed insertion of the lid, and one projecting on the outside of its wall, a protruding and circumferential edge, which extends into circumventing the wall and going down the edge. The lid has an approximately vertical outer portion, which in a fixed state encompasses the wall above the circumferential edge and is provided with an inner surface which, in a fixed state of the lid, is below the upper edge of the plastic container.

Such plastic containers are used to store and transport a variety of goods, which, by their size and the type of goods contained therein, can reach considerable weight. The terms “up” or “below” used below refer, respectively, to the normal use situation of the closed container (container).

BACKGROUND OF THE INVENTION

If the filled plastic containers of this type are stacked on top of each other according to the purpose of transportation, the lower container lids may warp outwards, which may result in the loss of a loosely attached lid under certain conditions or even a loss of at least one section where its lower edge will bend.

In addition, the downstream edge of the lid edge or the circumferential edge of the plastic receptacle can be worn and crammed onto the circumferential edge or the downward edge region of the lid of the adjacent plastic receptacle and there to cause damage or damage to the lower, downward incision on the edge of that plastic receptacle that is placed on the adjacent one. Further, the plastic receptacle on the adjacent plastic receptacle may remain in the curved position for a longer time so that its side wall may bend or break due to the weight of the goods in the receptacle. Such transport damage is highly undesirable.

Another disadvantage of the known lids is that when stacked directly on top of one another, they can be wedged into each other, making it difficult to remove them from the stacked stack.

FR-A-2463063 discloses a lid container in which the lower edge of the lid is protected against accidental opening. For this purpose, a circumferential outer wall of the vessel and an outwardly projecting edge are provided at a distance below the lower edge of the lid. The width of this edge corresponds approximately to the distance of the lower edge from the wall of the vessel.

In this way, accidental opening of the lid can be avoided since its lower edge cannot make contact with the upper edge of the lid of the adjacent vessel. However, such a danger exists when the outer edge of the lid, due to the increased weight load, is stretched, as is the case with the stacking of the filled vessels one over the other.

This stretching process is not removed by the circumferential groove on the inner surface of the lid, which is designed to receive the lower edge of the container in a container placed on the lid of the adjacent vessel.

US-A-4234100 describes a container lid which, when the vessel is closed, should provide good air removal. In addition, this lid must allow the already filled vessels to be stacked on top of one another. Therefore, recesses are provided on the inner surface of the lid to receive the corresponding portions from the bottom edge of the vessel. Below the lid, out of it, protrude radial ribs that reinforce its inner surface. This generally increases the bending resistance of the lid, which significantly complicates the opening process. However, this constructive solution cannot prevent the lid from being accidentally opened by accidentally hooking its outer edge with other vessels.

SUMMARY OF THE INVENTION

The object of the invention is to provide a die-cast, single-row plastic container (container) with a fixed lid in the socket that has improved overload capability when stacking one another, and the stacking process must be significantly improved to avoid damaging the edge area of one container from the adjacent plastic container when stacking or transporting, for example, in pallets.

The object of the invention is to be solved by injection molding a one-ribbed plastic container (container) with a fixed lid in the socket of the type indicated in the prior art. In this case, the inner surface of the lid inside is provided with a circumferential groove which has a plurality of rectangular projections connecting the inner surface to the inside of the lid. The outer flap of the lid enclosing a wall has an outwardly sliding bevel which extends approximately vertically at a greater distance from the wall forming the lower edge of the flap, wherein the downward edge portion is provided with a circumferential circumference for receiving the lower edge of the lid.

This solution significantly improves the stability of the overloading of stacked plastic containers. The formation of the connecting surfaces of the inner surface with the protruding portion of the lid protruding leads to a significant increase in the resistance to the extension of the lid in this region without making it difficult to remove it from the plastic container. Sliding bevel, on the one hand, further increases the stability of the lid against distortions due to the vertical loading when stacked on top of one another, and, on the other, facilitates the stacking process, since the adjacent plastic containers cannot to attach to each other.

In order to achieve sufficient stationary stability when stacking the plastic containers one above the other, it is appropriate that the inward projections cover a surface that corresponds at least to the surface occupied on the floor by the plastic container. In addition, the inward projections greatly facilitate the centering of the vessels in the process of stacking them on top of one another.

A particularly symmetrical enhancement of the lid area is achieved when the projection distances correspond to their width and the underside of the lid is provided with outward projections whose shape corresponds to the shape of the projections on the inner surface of the lid.

Another advantageous embodiment of the invention is that the projections on the underside of the lid cover a surface corresponding approximately to the surface which closes the inner upper edge of the lid, which enables the lids to be arranged very easily. one on top of the other.

To prevent the lids from jamming when stacked on top of one another, the inner side of the lid is provided on its underside with a projecting outer edge projecting outward to accommodate the inner upper edge of the other lid.

Another embodiment of the invention is characterized in that the compression depth corresponds approximately to the thickness of the lower edge of the lid. It is advisable that the height of the constriction be significantly greater than the thickness of the lower edge of the lid. In this way, it is achieved that the stacking of the plastic containers does not result in an unintentional indentation of the edge of the lid and the plastic containers do not slide against each other.

Particularly stable attachment of the lid is achieved when its lower edge fits on the upper side of the pre-tightening constriction, which also prevents any original locking from occurring.

It is also advantageous when the sliding bevel is provided with a circumferentially projecting projection.

These, in particular in the case of circular plastic receptacles, are appropriate and additional arrangements for stacking one another and transporting the containers will certainly avoid the likelihood of a plastic receptacle hitting the surrounding edge of an adjacent plastic receptacle and possibly distorting therein. . The sliding bevel along with the surrounding spike creates an additional opportunity for the plastic containers to slide against each other and finally to return to their normal position.

Furthermore, by forming the spike-shaped lid according to the invention, it becomes particularly easy to remove it from the stacked stack, respectively, by separating a number of stacked covers. Through the spiky protrusion, the individual cover can be easily secured sideways from the handle of the manipulator and released downwards.

For the practical application of the invention, it is irrelevant whether the plastic receptacles are circular, oval or angular, since the individual features of the invention are appropriately adapted to the exterior layout of the respective plastic receptacle.

Description of the attached figures

The invention is illustrated by one embodiment. The attached figures represent:

Figure 1 is a top plan view of a die-cast plastic container;

Figure 2 is an enlarged cross-section along the line I-Ι of Figure 1;

Figure 3 is an enlarged cross-section along the line P-P of Figure 1;

Figure 4 shows two cross-sectioned plastic containers with a fixed lid during sliding against each other, for example when loading one pallet;

Figure 5 shows two cross-sectioned plastic containers in the process of sliding in the region of one original lock.

Examples of carrying out the invention

In accordance with FIG. from 1 to 3, the plastic receptacle 1 is closed with a lid 2, wherein the lid 2 is fixed to the upper edge 3 of the wall 4 of the vessel 1 by clicking on a clamping edge 5. To this end, the outer portion 6 of the lid 2 on its inner the side is in a known manner provided with a circumferential retaining edge 7. The plastic receptacle 1 on the outside of the wall 4 is formed by a circumferential edge 8 which extends downwardly to a portion of the edge 9 and encloses the wall 4 of the container 1 at a certain distance.

As can be seen from FIG. 2 and 3, the outer portion 6 of the lid 2 encloses a clamping edge 5 located in the upper edge 3 of the wall 4. In this outer portion 6, a sliding bevel 10 is supported, which finally extends into an approximately vertically downward portion 11 of the lid. 2.

In order to achieve a good connection when the plastic container is closed with the lid 2, the downstream portion of the edge 9 is provided with a narrowing 12 for receiving the lower edge of the lid 13, the depth of which must correspond approximately to the thickness of the lower edge of the lid 13 In addition, the height of the constriction 12 should be significantly greater than the thickness of the lower edge of the lid 13. Thus, the accumulation of the plastic receptacles 1 does not result in unintentional pressing of the edge of the lid 13 and the plastic receptacles 1 mayObreshta to slide relative to one another.

Particularly stable attachment of the cover 2 is achieved when the lower edge of the cover 13 rests on the upper side of the tightening 12 with a pre-tightening, which, in addition to the adhesion, may prevent any possible original locking.

According to FIG. 1 through 3, the lid 2 has an inner surface 14 which, in a fixed position in the socket of the lid 2, is located below the top edge 3 of the plastic receptacle 1. The inner side of the lid 15 is provided with a circumferential reinforcement groove 6 which has a plurality of inwardly oriented rectangles. projections 17 that connect the inner surface 14 of the lid 2 to the inner side of the lid 15. Inward-oriented projections 17 comprise a surface corresponding at least to the surface occupied on the floor by the plastic container. To achieve a uniformly distributed gain action along the cover 2 through the projections 17, the distances between the projections 17 correspond to their width.

In addition, the underside of the lid is provided with outwardly projecting projections, the shape of which corresponds to the shape of the projections 17 on the upper side of the lid, wherein they cover a surface approximately corresponding to the surface enclosing the inner upper edge of the lid 18.

Further, the inside of the lid 15 is provided on its underside, against the reinforcement chute 16, with a projecting outer edge 19 projecting outwards to receive the inner upper edge of the lid 18 of one other lid so that when the lids are stacked on top of each other to prevent them from getting stuck.

In FIG. 4 and 5 depict the position of the sliding process of two plastic containers 1, with an additional spike projection 20 further provided between the sliding bevel 10 and the downward portion 11 of the lid 2, which further improves the sliding process. The position of FIG. 5 corresponds to that of FIG. 4, in which the slip is depicted here in the area of the original lock 21.

By the thorn protrusion 20 when stacked and transported plastic containers 1, it further excludes the possibility that one vessel 1 may be crammed onto the circumferential edge 8 of another adjacent plastic container 1 and possibly warp there. The sliding bevel 10, in combination with the thorn protrusion 20, makes it possible for the plastic receptacles 1 to slide against each other and thus return to their normal position. This will certainly avoid possible damage to the circumferential edge 8. Due to the sliding bevel 10 when stacking the containers 1 on top of one another or when transported in pallets or the like, at best, they only stand for a short time and slip well. against each other, almost completely eliminating the risk of breaking one of them due to the weight of the load.

Application of the invention

For the practical application of the invention, it is immaterial whether the plastic receptacles 1 are circular, oval or angular. The individual features of the invention are intended to be applied in an appropriate manner only.

Claims (9)

1. A single-hinged plastic receptacle (1), with a fixed lid in the socket (2), molded by injection molding, with an upper edge (3) for a fixed insertion of the lid (2) and one located on the outside of its wall ( 4), a protruding and circumferential edge (8) which extends into a wall circumferentially extending (4) and a downward region of the edge (9), wherein the lid (2) has an approximately vertically disposed outer portion (6) which in a fixed manner a state encloses a wall (4) above the circumferential edge (8), and an outward sliding bevel (10) in which it is provided with an inner surface nozzle (14) which, in the fixed state of the lid (2), is located below the top edge (3) of the plastic container (1), characterized in that it encloses the inner surface (14) of the lid (2) on the inside of the lid (15) is provided with a circumferential enhancement chute (16), which chute (16) has a plurality of inwardly rectangular projections (17) that connect the inner surface (14) to the inside of the lid (15) and the downstream portion of the edge (9) is provided with a circumferential restriction (12) for receiving the lower edge of the lid (13). 2. A one-piece plastic injection-molded vessel according to claim 1, characterized in that the projections (17) inwardly comprise a surface that corresponds at least to the surface occupied on the floor by the plastic vessel (1). Single-molded plastic injection-molded vessel according to claims 1 and 2, characterized in that the distances between the projections (17) correspond to their width and the underside of the lid (2) is provided with projections extending outwards the shape corresponds to the projections (17) on the inside of the lid (15). 4. A one-piece plastic injection-molded vessel according to claim 3, characterized in that the projections on the underside of the lid (2) comprise a surface that closes the inner upper edge of the lid (18). A one-piece plastic injection-molded vessel according to one of claims 1 to 4, characterized in that the inner side of the lid (15) is provided on its underside by a projecting outer circumferential edge (19). ) to receive the inner upper edge of the lid (18) of another lid. A one-piece plastic injection-molded vessel according to claims 1 to 5, characterized in that the depth of the compression (12) corresponds approximately to the thickness of the lower edge of the lid (13). Single-molded plastic injection-molded vessel according to claim 6, characterized in that the height of the constriction (12) is significantly greater than the thickness of the lower edge of the lid (13). Single-molded plastic container, cast by injection molding according to claims 6 and 7, characterized in that the lower edge of the lid (13) fits on top of the constriction (12) by pre-tensioning. A one-piece plastic injection-molded vessel according to claim 1, characterized in that the sliding bevel (10) is provided with a circumferentially projecting projection (20).