This application is a National Stage of International Application No. PCT/IB2009/050323 filed Jan. 27, 2009, claiming priority based on Italian Patent Application No. TO2008A000067 filed Jan. 31, 2008, the contents of all of which are incorporated herein by reference in their entirety.
The present invention relates to a security closure assembly for the mouth of a container, in particular a bottle for liquids.
More specifically, the subject of the invention is a security closure assembly of the so-called “tamper-evident” type, comprising:
A security closure assembly of this type is known, for example, from European patent application EP 1 511 677 A1.
In this closure assembly of the prior art, after the first opening, the lip portion of the cap is released from the lower sleeve element of the outer covering and, upon subsequent re-closure of the closure assembly, the lip portion is interposed between the upper sleeve element and the lower sleeve element, in fact keeping them further apart than they were originally.
An object of the present invention is to provide an improved security closure assembly of this type which provides a visible indication that the closure assembly has been opened but which, at the same time, permits effective and secure re-closure of the closure assembly after the first opening and every subsequent re-opening.
This and other objects are achieved according to the invention, by a security closure assembly of the type specified above, characterized in that the at least one lip portion is biased towards a condition in which it is opened out radially and, prior to the first opening of the closure assembly, the lower sleeve element of the outer covering keeps the lip portion in a condition in which it is drawn in resiliently towards the longitudinal axis of the closure assembly,
Further characteristics and advantages of the invention will become clear from the following detailed description which is given purely by way of non-limiting example, with reference to the appended drawings, in which:
A security closure assembly according to the invention to be fitted on the mouth of a container (not shown), in particular a bottle for liquids, is generally indicated 1 in
With reference to
A non-return valve device 5 (a device for preventing refilling), which is shown only partially, is associated with the pourer unit 2 in known manner to allow the liquid held in the container with which the closure assembly 1 is associated to be poured out but to prevent the container from being refilled with other liquid admitted through the closure assembly.
The closure assembly 1 further comprises a removable cap 6 which can close the upper pouring portion of the pourer unit 2 in a liquid-tight manner. The cap 6 can be screwed onto and unscrewed from the pourer unit. In the embodiment shown, the pourer unit 2 has, on its upper portion 4, an external thread with which a corresponding internal thread of the cap 6 engages.
When the cap 6 is fully closed, a lower peripheral edge 6a thereof bears against a stop shoulder 4a of the upper portion 4 of the pourer unit 2, as can be seen in
The lip portion 7 advantageously but not necessarily has, in the intermediate portion of its cross-section, a narrower portion 10 which can act as an integral circumferential hinge for increasing the pliability of the lip portion, particularly during re-closure of the cap 1.
The closure assembly 1 further comprises an outer covering including an upper, cap-like (or at least sleeve-like) element 8 and a lower sleeve-like element 9. The elements 8 and 9 are advantageously made, for example, of a metallic material such as aluminum or an alloy thereof.
The upper cap or sleeve element 8 closely surrounds the cap 6 but leaves the lip portion 7 of the cap substantially exposed.
As can be seen, for example, in
Prior to the first opening of the closure assembly 1, that is, in the condition shown in
The arrangement is such that, after the first opening of the closure assembly 1, that is, the first disconnection of the cap 6 from the pourer unit 2, the lip portion 7 of the cap is released from the lower sleeve element 9 and expands radially, re-adopting its natural opened-out condition in which it extends at least partly radially outside of the lower sleeve element 9.
Upon subsequent reconnection of the cap 6, 8 to the pourer unit 2, the lip portion 7 remains in the radially opened-out condition but does not prevent the cap 6 being screwed on again as far as the closure position in which the lower peripheral edge 6a of the cap is brought into abutment with the stop shoulder 4a of the pourer unit, as can be seen in
In the re-closure condition, after the first opening or any subsequent re-opening, the lip portion 7 naturally remains outside of the lower sleeve element 9 but the cap 6 can be reconnected to the pourer unit 2 so that, in the closure condition, the lower sleeve element 9 and the upper sleeve or cap element 8 are once again spaced apart by substantially the same distance d that separated them prior to the first opening of the cap.
The security cap according to the invention is thus able to indicate in a visually conspicuous manner that the closure assembly 1 has been opened.
The free end edge of the lip portion may be notched as shown in
As indicated above, upon each subsequent re-closure, the closure assembly can therefore be re-closed completely, ensuring the same sealing characteristics as the original closure.
The portion of the outer surface of the lip portion 7 which is visible from the exterior prior to the first opening of the closure assembly 1 (
The different colouring of the lip 7 may be achieved in various known ways, for example, by painting or by the moulding of plastics material of different colours.
Naturally, the principle of the invention remaining the same, the forms of embodiment and details of construction may be varied widely with respect to those described and illustrated purely by way of non-limiting example, without thereby departing from the scope of the invention as defined in the appended claims.
Number | Date | Country | Kind |
---|---|---|---|
TO2008A0067 | Jan 2008 | IT | national |
Filing Document | Filing Date | Country | Kind | 371c Date |
---|---|---|---|---|
PCT/IB2009/050323 | 1/27/2009 | WO | 00 | 7/27/2010 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO2009/095851 | 8/6/2009 | WO | A |
Number | Name | Date | Kind |
---|---|---|---|
6276544 | Battegazzore | Aug 2001 | B1 |
8181803 | Torrent Ortega | May 2012 | B2 |
20050115915 | Thomson | Jun 2005 | A1 |
Number | Date | Country |
---|---|---|
1 511 677 | Mar 2005 | EP |
1 574 450 | Sep 2005 | EP |
9855370 | Dec 1998 | WO |
02096771 | Dec 2002 | WO |
03104100 | Dec 2003 | WO |
2004065248 | Aug 2004 | WO |
Number | Date | Country | |
---|---|---|---|
20100308054 A1 | Dec 2010 | US |