MXPA04011659A

MXPA04011659A - Strip for opening and closing tins and other containers.

Info

Publication number: MXPA04011659A
Application number: MXPA04011659A
Authority: MX
Inventors: Pastor Serra Eva
Original assignee: Pastor Serra Eva
Priority date: 2003-04-08
Filing date: 2004-03-01
Publication date: 2005-07-05
Also published as: BRPI0403957A; WO2004089768A1; ES2246635B1; ES2246635A1; JP2006522721A; CA2487043A1; CN1697761A; EP1612154A1; AU2004228384A1; AR043990A1; US20060175332A1

Abstract

Strip (1) for opening and closing tins and other containers, comprising a strip element or band (5) as integral part of the lid (3) delimited by a major external score line (6) and a minor internal line (7), circumferencially, with at least one enlarged riveting area (12) surrounding a tongue (8) in said lid of the tin or other container, of an extremity of the axis (9), from the base stretch to the other extremity, with at least on rivet (10) which connects the tearing ring (2) on its projecting side (11), used as lever for acting on a reinforced point (14) of the lid (3) when tearing off manually the strip element or band (5) with the part of the lid (3) which contains the strip element or band (5).

Description

HILO- OPENER FOR OPENING AND CLOSING OF CANS AND OTHER CONTAINERS FIELD OF THE INVENTION The present invention relates to a yarn-opener for opening and closing cans and other containers, of which can be used to uncover a part of the surface of the lid of a can or other container, such as a hole, by manually starting the a boot ring attached to the caps of these to allow access to its contents and subsequent closure as a possibility of protection for the case of storage of remains of this. Examples of such canned products to be uncovered and stored are the well-known condensed milk, olives, and rice, or gaseous refreshing drinks in aluminum cans in the presentation sector for food consumption, but also the oil for combustion or liquid engines of cooling for them, etc. Specifically, the yarn-opener, object of the invention, can be used to uncover a canned content, and to keep remains of it due to its progressive consumption, provided that it is liquid to a certain point of viscosity, or solid with the condition that due to Its granular structure is suitable for pouring.

BACKGROUND OF THE INVENTION So far, only the openers are known that are used by manual starting with a device attached to the lid of a can or other container, such as a ring or similar, to uncover a part or all of the surface thereof, making use in this maneuver the element known as insert or tab, which covers the pouring orifice, delimited by a line of weakening, by the permanent union with the device of the ring or similar through a rivet, or because it is introduced into the interior of the can or other container below the surface of the lid without possibility of being recovered for a later closing of the uncovered hole. However, there is no opener device that offers a solution for the possibility of covering the pouring orifice and keeping the rest of the contents of the container not consumed after being used the device for the manual start of the insert or tab using this staying as part of the lid and moving along an axis, and likewise. Therefore there is a need for an opener for opening and closing cans and other containers, especially for cans containing liquid or solid food products, but also for containers with any other content that is usually presented as a product in cans or other containers on the market, offering the advantages of small size, application of cheap materials, versatility of use and practical handling, which allows the uncovering and closing to store product remains without resorting to devices other than those incorporated in the can or another container, and that uses the insert or tab and likewise as closing element. It is precisely here, where the present invention intervenes.

SUMMARY OF THE INVENTION The wire opener developed by this invention comprises a wire or band, as an integral part of the cover of a can or other container, delimited by a larger outside line and another smaller inner line of weakness in circumference, surrounding one tab on said cover from one end of the shaft of the base thereof to the other, with at least one rivet joining the starter ring on the side thereof used as a lever with the part of the cover containing the wire element or fringe. According to one aspect of the invention, the thread element or strip as an integral part of the lid delimited by a major line and a minor line of weakening comprises at least one appropriately widened riveting location zone. According to another aspect of the invention, the major and minor weakening lines have points of attachment to each other at their ends.

According to a further aspect of the invention, the major and minor weakening lines do not have points of union with each other at their ends. According to another additional aspect of the invention, the tongue comprises an axis in its base, along which movement is made to open and close the hole. According to a further aspect of the invention, the boot ring comprises a protruding side to the riveted area and opposite the ring that serves as a lever at the time of the manual start of the system. According to yet another aspect of the invention, the lever acts on a reinforced point on the lid at the moment of manual starting of the thread element or strip with the starter ring. According to a further aspect of the invention, the rivet is located on the side opposite the base of the tongue at the center of the circumferential thread or band element.

According to a further aspect of the invention, the rivets are located on both sides of the shaft at the base of the tongue at the ends of the thread element or circumferential band. According to a further aspect of the invention, the joining of the boot ring with the part of the lid containing the thread element or strip is carried out with conventional riveting. According to yet another aspect of the invention, the boot ring comprises guides with flanges on its inner face with suitable measures for receiving the tongue with its free sides and the cap of the strip not covered by it, once the boot has been torn off. element of thread or strip. According to a further aspect of the invention, the constituent part of the boot ring can have any suitable shape that serves its purpose. According to another additional aspect of the invention, the constituent part of the thread element or strip can have any suitable shape depending on the shape of the tongue serving for its purpose. According to a further aspect of the invention, the constituent parts of the system can be of any suitable material of sufficient rigidity, preferably of tinplate or plastic.

BRIEF DESCRIPTION OF THE DRAWINGS The foregoing and other features and advantages of the invention will be more clearly evidenced by the following detailed description in conjunction with the accompanying schematic drawings, in which: - Figure 1 shows a plan view of a can lid with the ring of boot attached thereto through two rivets located at the base of the tongue, at the ends of the thread or strip element, - Figure 2 is a side elevation of the lid of Figure 1, - Figure 3 shows a plan view of a can lid with the starter ring and the thread or strip element removed, the insert or tab with the opening and closing movement axis in its base and the reinforcement point for the ring lever starter, - Figure 4 is a plan view of a starter ring with the thread element or strip, two side rivets and guides with rims on its inner face, - Figure 5 is a side elevation of the start ring of the figure 4 , - Figure 6 shows a plan view of a can lid with the starter ring and the thread element or strip covering the insert or tab with its guides with ridges on its inner face, - Figure 7 is a side elevation of a can lid with the boot ring and the thread or strip element covering the insert or tab with its guides with flanges on its inner face and with the pouring opening uncovered, - figure 8 shows a plan view of a can lid with the starter ring and the raised thread or strip element, the insert or tab with the opening and closing movement axis in its base and the reinforcement point for the starter ring lever, - figure 9 is a plan view of a starter ring with the thread element or strip, a central rivet and guides with rims on its inner face, Figure 10 is a side elevation of the starter ring of Figure 9.

DETAILED DESCRIPTION OF THE INVENTION For reasons of simplicity of exposure, the description that follows will be made in relation to the use of the wire-opener, object of the invention, to uncover and store food cans. However, this should not be construed as limiting the invention, but as an illustration thereof by way of example, since, as stated above, the present package may have many other applications. Referring first of all to figures 1 and 2 of the drawings, it is noted that the wire-opener, object of the invention, comprises a thread element or strip (5), as an integral part of the cover (3), delimited this one by a greater external line (6), and another smaller inner line (7), of weakening in circumference, surrounding a tongue (8), in said can lid or other container, from one end of the shaft (9), from the base (15), from the same to the other, with two rivets (10), which join the starter ring (2), on its protruding side (11), which it serves as a lever, with the part of the lid (3), which contains the thread element or strip (5). As can be seen in Figure 3, the tab (8), with the shaft (9), in its base (15), remains in the lid of the can (3), visible both the reinforced point (14), and a slot of the hole (4), with its two zones (12), of riveting location suitably widened, uncovered by the manual starting of the starting ring (2), with the thread element or strip (5). In order to use said opener wire, the manual start is first introduced by inserting a finger into the start ring (2), and pulling it by a decisive upward movement. The constituent part of the wire-opener device shown in Figures 4 and 5, with its boot ring (2), its protruding side (11), and its guides with flanges (16), on its inner side attached to the lid (3), by means of two rivets (10), until the moment of the start, is released together with the thread element or strip (5), joined to the rivets (10). Once the separation by starting, the tongue (8), with its free sides in the guides with its flanges (16), of the thread-opener device as shown in Figure 6, serving the union between the starting ring (2), and the tongue (8), as an element to cover and uncover the hole (4), with opening and closing movements by the shaft (9), in the base (15), of the tongue (8), as can be seen in figure 7. Figures 8 to 10 show a second execution of the wire-opener, object of the invention, in which a single rivet is used.

As can be seen in figure 8, the tab (8), with the shaft (9), in its base (15), remains in the lid of the can (3), visible both the reinforced point (14), and a slot of the hole (4), with its only zone (12), of location of riveting suitably widened, uncovered by the manual starting of the starting ring (2), with the thread element or strip (5). In order to use said opener wire, the first step is carried out manually starting by inserting a finger into the starting ring (2) and pulling it by a decisive upward movement. The constituent part of the wire-opener device shown in Figures 9 and 10, with its boot ring (2), its protruding side (11), and its guides with flanges (16), on its inner side attached to the lid (3), by means of a single rivet (10), until the moment of the start, becomes loose together with the thread element or strip (5) joined to the rivet (10). Once the separation by starting, the tongue (8), with its free sides in the guides with its flanges (16), the wire-opener device is introduced identically as shown in Figure 6, serving the connection between the boot ring (2), and the tongue (8), also in this embodiment as an element to cover and uncover the hole (4), with opening and closing movements by the shaft (9), in the base (15), of the tab (8), as in figure 7.

Obviously, the use of the yarn-opener, object of the invention, for tasks other than opening and closing food cans would be developed in the same way as described above, that is, once the manual start is made by a decisive upward movement, proceeds to the storage of the rest of the product serving the union between the boot ring (2), and the tongue (8), as an element to cover and uncover the hole (4). The invention has thus created a wire-opener that offers several advantages, among which the following can be highlighted: - Simple structure, and as a consequence, ease of use.

- Practical use, due to the universality and versatility of aplicació. - Use of cheap materials, such as tin and plastics. - Aesthetic presentation form, since both waiting to be used for the first time and later when saving remains of the content not consumed, the thread-opener offers an aspect of interest. The foregoing description has focused on the essential features of the invention. However, it is understood that the described opener could be subject to modifications in its form and structure without departing from the invention. Therefore, it is intended that the scope thereof be limited only by the content of the appended claims.

Claims

NOVELTY OF THE INVENTION Having described the present invention, it is considered as a novelty and, therefore, the content of the following is claimed as property: CLAIMS

1. Thread-opener (1), for opening and closing cans and other containers, of which by manually starting a start ring (2), attached to the covers of these uncover a part of the surface of the lid (3) ), the can or other container, such as hole (4), to allow access to its content and subsequent closure as a possibility of protection for the storage case of this remains, characterized in that it comprises a thread or strip element (5). ), as an integral part of the lid (3), delimited by a larger outer line (6), and another smaller inner line (7), weakening in circumference, surrounding a tongue (8), in said lid of the can or another container, from one end of the shaft (9), from the base of the same to the other, with at least one rivet (10), which joins the starter ring (2), on its protruding side (11), which serves as a lever, with the part of the lid (3), which contains the thread element or strip (5).

2. Thread-opener (1), according to claim 1, characterized in that the yarn element (5), as an integral part of the cover (3), delimited by a major line (6), and another smaller one (7), of weakening comprises at least one area (12), of appropriately widened riveting location.

3. Thread-opener (1), according to claims 1 and 2, characterized in that the lines of major weakening (6), and minor (7), have junction points (13), with each other in their exars.

4. Thread-opener (1), according to claims 1 and 2, characterized in that the lines of major weakening (6), and minor (7), have no points of union with each other at their ends.

5. Thread-opener (1), according to claims 1 to 4, characterized in that the tongue (8), comprises an axis (9), at its base, along which the movement for opening and closing the hole is made (4) .

6. Thread-opener (1), according to claims 1 to 5, characterized in that the starter ring (2), comprises a protruding side (11), the re-shaped area and opposite the ring (2), which serves lever when manually starting the system.

7. Thread-opener (1), according to claims 1 to 6, characterized in that the lever of the protruding side (11), acts on a reinforced point (14), on the cover (3), at the time of the manual start of the thread element or strip (5), with the starter ring (2).

8. Thread-opener (1), according to claims 1 to 7, characterized in that the rivet (10) is located on the side opposite the base (15) of the tab (8), in the center of the element of thread or strip (5), in circumference.

9. Thread-opener (1), according to claims 1, 2, 3, 5, 6, 7, characterized in that the rivets (10), are located on both sides of the shaft (9), in the base (15), of the tongue (8), at the ends of the thread element or band (5), in circumference.

10. Thread-opener (1), according to claims 1 to 9, characterized in that the joining of the starter ring (2), with the part of the cover (3), which contains the thread element or strip (5), It is done with conventional riveting.

11. Thread-opener (1), according to the preceding claims, characterized in that the starter ring (2), comprises guides with flanges (16), on its inner side, with suitable measures for the reception of the tongue (8). ), with its free sides and the cover of the strip not covered by this, once the thread or strip element (5) has been torn off.

12. Thread-opener (1), according to any of the preceding claims, characterized in that the constituent part of the starter ring (2), can have any suitable shape that serves its purpose.

13. Thread-opener (1), according to any of the preceding claims, characterized in that the constituent part of the thread element or band (5), can have any suitable shape depending on the shape of the tongue (8), which serves for its end.

14. Thread-opener (1), according to any of the preceding claims, characterized in that the constituent parts of the system can be of any suitable material of sufficient rigidity, preferably of tinplate or plastic.