DE7707526U1 - Safety lock - Google Patents

Description

DB / DL / hd B.11.079

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EURACOM S.A., Rue du Tanganyika 18, 1190 Brussels (Belgium); "Safety lock"

The present invention relates to a safety lock, the one especially, but not exclusively, for filling with beverages to be returned to the bottler Plastic container is intended.

In such an application, it is important to discourage users from using these containers for purposes other than to use the gift giving of the beverages in question. These containers could of course be stored before they are returned to the bottler dangerous products and noxious substances are used.

In order to avoid this, the invention recommends the use of> a safety lock with which essential openings of the container can be visually determined, so that in the event of such determinations the use is not paid back to the buyer and the container in question is not reintroduced into the allocation cycle.

/ The device according to the invention for plastic containers, which are provided with a threaded collar for a screw cap, consists of a fragile plate that is placed between the

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container and the capsule is to be arranged around the collar and at least has a locking tooth, the task of which is provided with at least one for this purpose in the screw cap Collaborate cutout.

The characteristics and advantages of the system according to the invention will emerge more clearly from the following description of a Preferred embodiment revealed. This description is given by way of example only and is not intended to be limiting in any way takes place on the basis of the accompanying drawings, where

Figure 1 shows a device according to the invention in an exploded view;

Figure 2 shows the device according to Figure 1 in reproduces the assembled state;

Figure 3 shows a line III-III of the figure 1 shows a partial section of the device in question;

FIG. 4 is a top view according to arrow F4 of FIG Figure 3 reproduces;

Figure 5 is a top view of the platelet according to reproduces Figures 1 and 2;

Figure 6 shows one according to the. Line VI-VI of the. Formation 5 made section of the device in question in an enlarged Represents the scale;

the figure 7 one according to the line VII-VII of the figure 2 shows the section of the device in question; and

Figure 8 shows a section made along the line VIII-VIII of Figure 7.

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The one with the safety device according to the invention The container to be equipped has a wall 1 which has a filling opening 2 surrounded by an externally threaded collar 3. On this collar 3. a screw cap 4 provided with a jacket 5 with an internal thread 6 can be screwed on. This screw cap liat a Axial opening, which is sssplättchen -i 7 can be closed for the purpose of arranging a dispensing device on the container.

Before the aforementioned screw capsule is screwed on, a safety plate 8 is placed around the collar on the wall 1. This plate 8 is ring-shaped and provided with a cutout 9, the task of which is with a projection cooperate with the wall 1 to block the plate 8 in the appropriate position.

The annular upper side of the aforementioned plate is formed by an inclined side 11 and a steep side 12 limited tooth provided. When the plate is mounted ayf the container is, the inclined side 11 extends in the screwing direction of the screw cap .. In the present case it is a screw cap with a left-hand thread for safety reasons.

The lower part of the screw cap shell 5 is profiled such that it has two diametrically opposed teeth 13 and 14, to which the inclined planes 15 and 16 lead, the inclination of which corresponds to that of the aforementioned inclined side 11.

When screwing the capsule 4 on the collar 3 after Arrangement of the aforementioned plate 8, one of the teeth 13 and 14 sits at a point beyond the tooth 12 after the

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made possible by a cutout 17 of the underside of the plate 8 Pushing it away.

Any attempt to unscrew the capsule 4 leads accordingly to break the plate 8 in the possibly locally weakened areas 18 and 19 (Figure 5).

The present invention is of course in no way limited to the above-described, through the accompanying drawings explained implementation & example, but also refers to all that do not go beyond the scope of the invention Changes, additions and adaptations of the same.

7707526 06/30/77

Claims (5)

It I t% * (I f * EXPECTATIONS 1, - Safety closure for plastic container provided with a threaded collar for screwing on a screw cap, characterized in that it consists of a fragile plate (8) which is to be arranged between the container wall (1) and the screw cap (4) around the collar (3) and has at least one locking _{tooth (11 r} 12), the task of which is to cooperate with at least one cutout provided for this purpose in the aforementioned screw cap (4). 2.- Safety lock according to claim 1, characterized in that the aforementioned plate (8) in its by a projection (10) of the! Container feestimmten position is blocked, which projection (10) snaps into a corresponding cutout (9) of this plate (8). 3, - Safety lock according to claim 1, characterized in that the aforementioned plate (8) essentially is designed ring-shaped. 4.- Safety lock according to claim 1, characterized in that the aforementioned tooth of the plate (8) is a inclined side (11) and a steep side (1.2), the inclined side (11) extending in the screwing direction of the screw cap (4) extends from the level of this plate (8) to the steep side (12). 5.-. Safety lock according to claim I _7, characterized in that the lower inner area of the jacket (Z) of the aforementioned. Screw cap (4) has two diametrically opposed teeth (1.3,14). 6.- Safety lock according to claim 1, characterized gekenneich.net that a tooth (13,14) of the screw cap (4) with the 7707526 06/30/77 Tv- Tooth (12) of the plate (8) after screwing on the capsule the collar (3) and temporarily pushing away this tooth (12) of the Plate (8) cooperates, the latter for this purpose with a cutout (17) in its lower side under this tooth (12) is provided. 7707526 06/30/77