EP0788975B1 - Safety and protection cap for container openings - Google Patents

Abstract

The cap is fitted to an opening on a container, which is especially on the discharge nozzle of a tank which contains a liquid. The opening and a shoulder ring (3) which encloses its edge region, are covered by a lid (1). The ring has a retaining element (6) which prevents the lid from being removed again, and the latter is joined to the ring by one or more connection points (4) which form a seal, and which can be separated easily. At the same time, the lid is connected permanently to a hinge component (5) on the ring, and has a sealing part (13) which can engage with the opening.

Description

The invention relates to a safety and protective cap for container openings, in particular for the openings of spout attached to liquid containers, with a lid to cover the container opening and one the edge ring surrounding the edge area.

Various caps are already known, which on the openings of barrels equipped with regulating valves and other liquid containers can. These caps have the job of being the valves or Cocks (discharge nozzle) from mechanical influences or Protect dust and identify the contents of the container to enable. They also secure the valves against unauthorized opening and unauthorized liquid withdrawal.

Generally, these caps consist of one with one Lid connected collar, which on its inner surface has a holding device. These holding devices push themselves through the pressure exerted on the cap so far on the approach (outlet nozzle) at the container opening, that they kept on the inside of the neck become. To open the container, the lid must be off the edge the collar are torn off, the collar on Approach to the container opening remains. After opening the Outlet, the cap cannot be reused, and not for the protection of the outlet or the identification of the container contents.

With an improved design of these caps, the Cover for protection and identification and at the same time reused to detect a previous opening the cap with a collar ring Elastic bracket is equipped, which is Opening bends and lifting the lid off with the collar ring and the bracket attached to it. On this way the same collar could be used for the subsequent one Closing continue to be used. According to this solution the removable part of the collar remains in front of fixed Part separately, with the previous handling of the closure is recognizable, although a certain Closure ensures protection for the container valve seems to be. In fact, however, this also guarantees Cap the desired one for various reasons Don't close.

First, the tabs or retainers are the first Opening bent so that it is not properly in again engage their seat at the base of the container opening and the cover after reattaching the first releases mechanical action again.

Secondly, each flange ring does not have its cover connected, the operator hardly has time to re-attach the cover, especially since known is that it doesn't hold anyway.

Finally, a third reason is the possibility that the operator has a different cover than the original one attached could, whose Labeling may not be with the actual content of the container matches.

In FR-A-2 203 747 there is a safety and protective cap for container openings, in particular for the openings of discharge nozzle provided on liquid containers, with a lid to cover the container opening and one described the edge area of the final collar ring, the collar ring with a retraction preventing Holding elements is equipped and the lid over a or more, lightly forming a seal detachable connection point (s) connected to the collar is, the lid at the same time via a hinge part is permanently connected to the collar and over a locking part which can be locked at the container opening disposes.

It is an object of the present invention in the known caps to eliminate existing disadvantages and to create a cap, the collar ring so on the ring edge or the mouthpiece or the outlet nozzle on the Pressed container opening that he when releasing the container opening by lifting the lid can be deducted. There is another task in having a simple constructive structure to enable inexpensive manufacture of the cap.

According to the task with a security and Protective cap for container openings, especially for the openings of provided on liquid containers Outlet nozzle, with a lid to cover the container opening and one that ends their edge area Fret ring, with the fret ring preventing it from being pulled back Holding elements is equipped and the lid via one or more sealing seals easily separable connection point (s) with the Bundring is connected, the lid at the same time permanently connected to the collar ring via a joint part and is lockable at the container opening Closure part has been solved in such a way that the Mounted ring holding elements made of at least two from its inner wall obliquely upward, plate-like Locking parts so low elasticity exist that these just over the ring edge of the opening of the container can be pushed and thus sufficient Stiffness against further deformation and thus to prevent the single cover and the cover from being pulled off again have attached collar and that the holding elements forming inclined locking parts to increase have a curved shape due to the rigidity.

The basic idea of the invention is therefore that Bundring so on the ring edge or the mouthpiece or That the outlet nozzle at the container opening when opening the container opening by lifting the Lid can no longer be removed. The stripping the collar is blocked by the holding elements.

The rigidity of the oblique locking parts is like this great that the cap after sliding on the neck is locked at the container opening on the ring edge and can no longer be deducted.

At the same time, the lid remains after opening connected by the joint part to the collar ring, so that it continues to act as a closure member to protect the container opening and the contents of the container, but also for identification of the liquid contained in the container stands. The reclosing of the container opening with the hinged lid using the attached to this, designed as an elastic hook Closure part, which is behind the ring edge of the container opening can be snapped in and opened Lid can be disengaged.

A preferred embodiment of the invention is thereby characterized in that the edge of the cover with the collar via thin connection points that can be torn off when the lid is opened connected is. These as tear-off sections acting connection points ensure on the one hand - together with the closure part - a stable connection between the cover and the collar and thus one secure container closure. On the other hand, they pose a seal of the safety and protective cap in this way shows that the undestroyed tear-off sections Intactness of the container opening or the container contents view and guarantee while a severed Tear-off section on a previous access to the Container opening or to the liquid contained in the container indicates.

A cap is thus made available the sealing of the container opening or the display of a previous, possibly unauthorized Open the cap and on the other hand secure and repeated closing after opening as well as identification of the container contents at all times based on the cover remaining on the collar the label on it is permitted.

According to a further feature of the invention, the tear-off sections between the edge or individual, by Recesses formed edge parts of the lid and the Collar formed. The provision of individual edge parts with tear-off sections interrupted by recesses makes it easier to tear off the first time you open it. Preferably are the recesses in the edge of the lid in the Area of the retaining elements attached to the collar, thereby pressing the cap onto the container opening to facilitate.

The safety and protective cap according to the invention is structurally simple and is made in one piece Molded plastic material. It is therefore simple and inexpensive to manufacture.

Other features and advantageous embodiments of the Invention are listed in the subclaims.

Fig. 1

eine erfindungsgemäße Kappe in einer Ansicht von unten, teilweise im Schnitt längs der Linie I-I in Fig. 2;

Fig. 2

eine senkrechte Schnittansicht der Kappe längs der Linie II-II in Fig. 1;

Fig. 3

eine weitere Schnittansicht der Kappe längs der Linie III-III in Fig. 1;

Fig. 4

eine Seitenansicht der erfindungsgemäßen Kappe in geöffnetem Zustand;

Fig. 5

eine Seitenansicht der in Fig. 4 gezeigten Kappe, jedoch in dem nach dem ersten Öffnen wieder geschlossenen Zustand; und

Fig. 6

einen Schnitt längs der Linie VI-VI in Fig. 1 Darstelung des Abreißabschnitts zwischen Deckel und Bundring.

An exemplary embodiment of the invention is explained in more detail below. In the accompanying drawing:

Fig. 1

a cap according to the invention in a view from below, partly in section along the line II in Fig. 2;

Fig. 2

a vertical sectional view of the cap along the line II-II in Fig. 1;

Fig. 3

another sectional view of the cap along the line III-III in Fig. 1;

Fig. 4

a side view of the cap according to the invention in the open state;

Fig. 5

a side view of the cap shown in Figure 4, but in the closed again after the first opening. and

Fig. 6

a section along the line VI-VI in Fig. 1 showing the tear-off section between the cover and the collar.

In all figures, the same parts are the same Labeled reference numerals.

According to the constructive shown in the drawing The solution to the proposed cap is essentially from a lid 1 with an edge 2, which by Tear off sections (material weak spots or thin Joints) 4 and a joint part 5 with a Collar ring 3 is connected, the collar ring 3 with at least two essentially rigid holding elements 6 and 7 is equipped.

The to the bottom of the lid 1 at a right angle running edge 2 is through two or more recesses 9 and 10 interrupted. The edge 2 is with the collar ring 3 through some forming a thin junction Tear-off sections 4 connected between the both (or more) the edge 2 of the collar 3 separating recesses 9 and 10 are located. The tear off sections 4 facilitate by simply tearing off the with the edge 2 connected cover 1 the complete separation between edge 2 and collar 3.

However, the edge 2 and the remain even after tearing off Collar 3 connected to each other via the hinge part 5. The joint part 5 prevents detachment or detachment of the lid 1 of the container C on which the cap is attached.

The collar 3, as mentioned above, has at least two holding elements (locking parts) 6 and 7. This Holding elements 6 and 7 have minimal elasticity to just over the ring rim 12 of the container opening to be able to be pushed and thus their task Attachment or to hold the collar ring 3.

Feature according to the invention of these holding elements 6 and 7 is their reduced elasticity and consequently their high Stiffness, which is still due to its arched shape is favored. This allows the ring edge 12 the collar ring 3 attached to the container opening no longer be removed, unless the collar 3 is at a later refilling of the container C average.

Except for the fact that the edge 2 is connected to the Collar 3 through a hinge part 5 is another Characteristics of the lid 1 in that compared to the Joint part 5 at the edge 2 a closure part (elastic Hook) 13 is attached.

As can be seen in particular from FIGS. 3 and 5, this closure part 13 consists of a small one angled web that protrudes from the edge 2 such that he presses the cover 1 against the ring rim 12 the container opening due to the elasticity of the Plastic material from which the cover 1 is made, light deformed. Because of this deformation, this overcomes Closure part 13 of the ring rim 12 and snaps into place for stability of the cap on the opening of the container C to contribute.

When opening the lid 1 is not only the by Tear section 4 formed connection destroyed, but also the closure part 13 is without special Giving in force slightly.

The function of the lid is described below:

Before shipping the container for drinks or others The cap is made of plastic material through liquids simple pressure on the lid 1 on the ring rim 12 of the Container opening pressed against the container contents secure unauthorized acts as well as the tap (or spout) to protect and the content too to be able to identify or determine. On the outside cover 1 are those required by law Information about the type of liquid contained and their origin recorded.

Due to the pressure exerted on the lid 1 Holding elements 6 and 7 so far apart that they slide over the ring rim 12 of the container opening let and overcome it completely until it comes back have taken their original form. In this situation prevent the holding elements 6 and 7 that the collar ring 3rd can be removed from the ring edge 12 of the container opening and thus hold together with the tear-off section 4 and the already known closure part 13, the entire cap firmly on the ring edge 12.

Should the container opening for a partial or complete emptying of container C released a slight pressure from below on one is sufficient Tab 14 of the lid 1 to first through the Closure part 13 to open the closure and then the connection created with the tear-off section 4 between the collar 3 and the edge 2 of the cover 1 to tear down. This is the state shown in Fig. 4 reached, after which the cover 1, which by the hinge part 5th remains connected to the collar 3, the container opening (a valve or a tap) of the container C.

After removing the liquid, it is sufficient to remove the lid 1 turn again against the ring edge 12 and that Lock the locking part 13 again by applying slight pressure to let. The lid 1 thus closes the container opening and continues to guarantee protection and cleanliness at the container opening or the container contents and the intended identification of the container contents. At the same time, the now visible gap along the Tear off section 4 is clear evidence that the Cover 1 as shown in Fig. 5 previously removed and the container C was handled.

Thus, the desired goals for securing, keeping clean and identification of the container or container contents with the maintenance of the original Sealing or making an unauthorized person visible Action on the container opening and the continuation of the Protection and the possibility of identification also with empty container or handled in the meantime Container closure fully achieved.

The solution described above is understood, as already mentioned as a pure embodiment, that is, under Maintaining the inventive concept are other constructive Embodiments as possible as the adaptation the same cap to other liquid containers.

Reference symbol list:

1

cover

2nd

edge

3rd

Collar

4th

Tear-off section (thin connection point)

5

Joint part

6

Holding element (locking part)

7

Holding element (locking part)

9

Recess

10th

Recess

12th

Ring edge of the container opening

13

Locking part (elastic hook)

14

Tab

C.

container

Claims (10)

1. Safety and protecting cap for container openings, especially for the holes of outlet nozzles as provided at liquid tanks, comprising a lid (1) to cover the tank opening and a flange ring (3) sealing its brim area, said flange ring (3) being equipped with retainer elements (6, 7) preventing it from being pulled off, and said lid (1) being connected with said flange ring (3) via one or several easily disconnectable joints (4) forming a sealing, said lid (1) being at the same time permanently connected to said flange ring (3) via a linking element (5) and comprising a clasp piece (13) that can be snapped into the tank opening, characterized in that said retainer elements (6, 7) mounted to the flange ring consist of at least two plate-like latching members tilted in upward direction from its inner wall and having such low elasticity that they can just be slipped over the annular brim (12) of the tank opening (C), thereby comprising sufficient rigidity to prevent further deformation and pulling off the flange ring (3) and lid (1) once they are mounted, and in that the tilted latching members that form said retainer elements (6, 7) have a domed shape to increase rigidity.
2. Safety and protecting cap according to claim 1, characterized in that the joints sealing said lid (1) and said flange ring (3) die den Deckel (1) und den Bundring (3) are formed by breaking sections (4) between a rim (2) of said lid (1) and the flange ring.
3. Safety and protecting cap according to claim 2, characterized in that said rim (2) of lid (1) is divided into rim sections connected to said flange ring (3) via the respective breaking section (4).
4. Safety and protecting cap according to claims 2 and 3, characterized in that said breaking sections (4) are formed by weak points in the material.
5. Safety and protecting cap according to claim 3, characterized in that said recesses (9, 10) are provided in an area opposite said retainer elements (6, 7) mounted to said flange ring (3).
6. Safety and protecting cap according to any one of claims 1 through 5, characterized in that said clasp piece (13) is integrally mounted at the side of said lid (1) opposite said linking element (5) to said rim (2) in the form of a web projecting towards the tank opening that can be snapped in and off said annular brim (12) of the tank opening.
7. Safety and protecting cap according to claim 6, characterized in that said projecting web forms an elastic catch together with a part of said rim (2) of lid (1) that serves as said clasp piece (13).
8. Safety and protecting cap according to claim 7, characterized in that a shackle (14) protruding in outward direction for pushing up or opening said lid (1) is provided at said lid (1) above said clasp piece (13).
9. Safety and protecting cap according to any one of claims 1 through 8, characterized in that said linking element (5) is formed by a flexible connecting web formed in one piece by said lid (1) and said flange ring (3).
10. Safety and protecting cap according to any one of claims 1 through 9, characterized in that it is made of a plastic material and formed in one piece.

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