EP0516770A1 - Fermeture pour conteneur metallique de boisson - Google Patents
Fermeture pour conteneur metallique de boissonInfo
- Publication number
- EP0516770A1 EP0516770A1 EP91919127.0A EP91919127A EP0516770A1 EP 0516770 A1 EP0516770 A1 EP 0516770A1 EP 91919127 A EP91919127 A EP 91919127A EP 0516770 A1 EP0516770 A1 EP 0516770A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- closure
- zone
- hygienic
- protective sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Definitions
- the invention refers to a closure that has been specially designed for metallic beverage containers, of the commonly called “cans” or “cans”, whose structural characteristics are aimed at achieving optimum hygiene guarantees at the time of making the opening of the container, independently of providing the corresponding closure, as is conventional.
- closures for canned beverages there are various systems to provide closure for the can.
- One of them consists of the execution of a continuous notch along the perimeter of one of the surfaces that make up the can, at the same time that a union is made at one of its ends to a ring, which by means of a small effort allows the removal of the notched surface and enable a wide outlet for the liquid, even ingesting it directly from the can, coupling the mouth to the hole provided.
- This system has two clearly negative aspects, which are: the detachment of the surface and the ring enabled for closure, which leads to the proliferation of these sharp objects in the most inappropriate places; and another aspect that clearly points to the lack of hygiene in the use - of the closure at the time of opening, since due to handling and / or storage, the surface to be removed from the container to allow the liquid it contains to escape, as well as the surface close to the one to be removed, contain in most cases at the time of use, substances that are harmful to health, as well as microorganisms that can lead to the transmission of diseases.
- Another system consists of the execution of a notch, which ends up forming a closed perimeter, in one of the surfaces that make up the can, while at the same time making a joint at one of its ends, which by means of a small effort allows to detach the surface Notched towards the inside of the container, enabling a wide outlet for the liquid, even allowing it to be ingested directly from the can by coupling the mouth to the orifice provided.
- This system has an aspect that clearly points to the lack of hygiene in the use of the closure at the time of opening, since due to handling and / or storage, the surface that is going to detach towards the inside of the container, to allow The outlet of the liquid it contains, as well as the surface close to the previous one, contain in most cases, at the time of use, substances harmful to health, as well as microorganisms that can give rise to the transmission of diseases.
- the closure for canned beverages that the invention proposes constitutes a novel solution that fully solves the problems of all the conventional systems previously discussed, offering a hygienic closure of the container, and with a structurally simple solution.
- the closure system that is recommended is structured based on a surface stamped around its perimeter and also notched except at one of its ends, to allow this detail to be bent but difficult to break or tear.
- the reinforcement punching is carried out on both sides of the previously mentioned surface and within the surface that surrounds it.
- a concave punching is also made to grip the ring that is attached to the surface to be removed from its packaging position.
- a hygienic adhesive protector is placed on the surface to be removed to allow the liquid to escape and while covering a large surface that outlines said surface.
- the hygienic adhesive is located between the emptying mouth and the ring, avoiding contamination of harmful substances inside the container when it is opened.
- the protection sheet is designed to fully cover the entire upper surface or base of the can, placing it below the pull ring for the opening maneuver, with the particularity that said sheet will be assisted by a ring. perimeter, preformed, so that when it breaks, it tends to self-winding, dragging the protective sheet with it, for which purpose said ring is provided with a weakening at a point of the same, the closest to the location area opening of the can, this weakened point being related to the opening ring of the can through an auxiliary rib, with which the necessary breaking force is transmitted to the ring in the very pulling maneuver of the can. repeatedly cited ring.
- the protective laminar body will be provided with a diametrical line of weakness, which at one end ends in the aforementioned weakening of the perimeter ring, favoring the tearing and fragmentation in two parts of said sheet. protective during the self-winding phase of the shrink hoop.
- closure could be materialized by a plastic "cover” placed on the face that contains the liquid outlet mouth, ensuring the hygiene of the liquid outlet surface, this being the main objective proposed by this invention.
- Figure 1. Shows a plan view of the closure made in accordance with the object of the present invention.
- Figure 2. Shows another plan view of a variant of the closure embodiment, in which a different form of the pulling ring has been represented as an example, this second variant of embodiment incorporating the plastic sheet that covers the the entire top base of the can.
- Figure 3.- shows a representation similar to that of the previous figure, but in the opening situation for the container, showing the hole or opening that determines the pulling of the ring and the corresponding winding of the protective sheet .
- FIG. 1 a it can be seen how the closure of the invention is structured based on a surface (1) notched in its contour (2) except in an end sector (3), which is only stamped, but no notch, to allow bending but not the easy break.
- a surface (1) notched in its contour (2) except in an end sector (3) which is only stamped, but no notch, to allow bending but not the easy break.
- punches (4) On both sides of the emptying mouth that is obtained by detaching the surface (1), there are punches (4) to reinforce the surface that surrounds such emptying mouth.
- a concave punching (5) is also made to facilitate grasping the pulling ring (6) made with an internal reinforcing fold.
- a protector (7) of an adhesive nature is located, which constitutes a hygienic means to prevent possible harmful agents from coming into contact with the surface (1) .
- this protector (7) constituting the hygienic adhesive, will be removed by pulling the ring (6), leaving the mouth free and clean for use.
- a lid has been shown with the same ring-based closure system, although with a different configuration, so that in those Figures 2 and 3 the corresponding
- the lid includes a ring (6 ') with a different configuration, but linked to the lid through the conventional rivet (8), so that the tilting of that ring (6 *), as is also conventional, causes the tab to break that determines the surface (1 ') framed by the corresponding stamped contour, achieving after breaking that surface (1') or tongue the corresponding opening (9) for emptying the content.
- the variant of embodiment presents the particularity that the protective and hygienic sheet ( 7 1 ) formally and dimensionally coincides with the base (10), this protective sheet (7 1 ) being assisted by a perimeter ring (11) that preferably forms a body with it, a ring that is retractable and is preformed under tension, so that, when it breaks, a self-winding of each of its two halves will occur simultaneously, as seen in figure 3 a , for which purpose said ring (11) is provided with a weakening (12), at the point provided for its breakage, while, also forming a body with the protective sheet (7 '), between the opening ring (6') and the breaking point (12) an auxiliary rib (13) is established which acts as a mechanical transmission medium for the r repeatedly cited breakage.
- a perimeter ring (11) that preferably forms a body with it, a ring that is retractable and is preformed under tension, so that, when it breaks, a self-winding of each of its two halves will occur simultaneously, as
- the protective sheet (7 ') is also provided with a line of weakness (14), in a substantially diametrical arrangement, parallel and close to the rib auxiliary (13), as seen in figure 2 a , so that simultaneously with the breakage of the retractable and self-winding ring (11) the protective sheet (7 1 ) breaks, with which, as shown shown in figure 3 a , at the end of the can opening maneuver, so that the mouth or opening (9) for emptying it remains open, the protective sheet (7 ') is displaced and rolled up on the end of the base opposite that of said hole or pouring opening (9).
Abstract
La fermeture de l'invention s'applique à des conteneurs métalliques que l'on appelle communément ''boîtes'', dans lesquelles l'ouverture s'effectue en tirant un anneau (6) qui entraîne le déchirement d'une région estampée (1). La fermeture possède, comme l'une des caractéristiques de l'invention, une feuille de protection (7) avec adhésif sur sa face inférieure, qui s'applique sur la surface estampée (1) et qui s'enlève après l'avoir tirée de l'anneau (6), évitant ainsi la contamination par des substances ou éléments nocifs à l'intérieur de la boîte lors de son ouverture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES9003134U | 1990-10-31 | ||
| ES9102145U | 1991-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0516770A1 true EP0516770A1 (fr) | 1992-12-09 |
Family
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