A closure 1 for closing a container comprises a closure body, which has a front wall 3, a side wall 2 and a transition portion 4 between the front wall 3 and the side wall 2. An annular projection 8, extending from the front wall 3, is provided for contact on the top side 10a of the mouth piece 10 o
A closure 1 for closing a container comprises a closure body, which has a front wall 3, a side wall 2 and a transition portion 4 between the front wall 3 and the side wall 2. An annular projection 8, extending from the front wall 3, is provided for contact on the top side 10a of the mouth piece 10 of the container. An outer seal 9 is formed as a tongue 9 which extends from the side wall 2 and/or from the transition portion 4 towards a central axis A of the closure 1. The tongue 9 rests flexibly against the contour of the outer edge 10b and/or outside 10c of the mouth piece 10 when the closure 1 is attached to the mouth piece 10 of the container.
대표청구항▼
1. A closure (1) for closing a mouth piece (10) of a container, particularly for sealing the mouth piece (10) of a bottle, comprising: a closure body, which comprises a front wall (3), a side wall (2), a transition portion (4) between the front wall (3) and the side wall (2), and a central axis (A);
1. A closure (1) for closing a mouth piece (10) of a container, particularly for sealing the mouth piece (10) of a bottle, comprising: a closure body, which comprises a front wall (3), a side wall (2), a transition portion (4) between the front wall (3) and the side wall (2), and a central axis (A);at least one outer seal formed as a tongue (9), said tongue (9) extending from at least one of the side wall (2) and the transition portion (4) towards the central axis (A) of the closure body, wherein the tongue (9) extends essentially parallel to the front wall (3) in the absence of external forces and has a sealing surface for making contact with the mouth piece (10); andat least one annular projection (8), extending from the front wall (3), for cooperating with a top side (10a) of the mouth piece (10) for the purpose of fulfilling a sealing and stop function, whereinthe tongue (9) is flexible and formed such that the sealing surface makes full contact with the contour of at least one of an outside (10c), an outer edge (10b) and the top side (10a) of the mouth piece (10) when the closure (1) is screwed fully to the mouth piece (10) of the container so that the top side of the mouth piece is in contact with the at least one annular projection (8), wherein the contact between the tongue and the outer edge and the top side, respectively, of the mouth piece is effected solely by virtue of flexibility and position of the tongue, without pinching of the tongue between the outer edge of the mouth piece and the transition portion of the closure body or between the top side of the mouth piece and the front wall of the closure body; andthe tongue (9) has a length (1), such that it is not in contact with the at least one annular projection (8) and a free end of the tongue (9) extends upwards and towards the central axis (A) with free mobility between the top side (10a) of the mouth piece (10) and the front wall (3) of the closure body when the top side (10a) of the mouth piece (10) is stopped by the at least one annular projection (8) and the closure (1) is in a closed position screwed fully to the mouth piece (10). 2. The closure (1) in accordance with claim 1, wherein the tongue has a thickness (d) of between 0.15 mm and 0.60 mm where the tongue extends from at least one of the side wall (2) and the transition portion (4). 3. The closure (1) in accordance with claim 1, wherein the tongue (9) has a maximum thickness (d) of between 0.3/10 mm and 5/10 mm in the direction of extension of the tongue (9). 4. The closure (1) in accordance with claim 3, wherein the thickness (d) of the tongue (9) decreases continuously towards the free end of the tongue in the direction of extension of the tongue (9). 5. The closure (1) in accordance with claim 1, wherein the tongue (9) has a length (1) of less than 2.50 mm. 6. The closure (1) in accordance with claim 1, wherein the distance (s) between the side wall (2) and the at least one annular projection (8) is greater than the distance between the side wall (2) and the free end of the tongue (9). 7. The closure (1) in accordance with claim 1, wherein the closure (1) is formed with an internal thread (5) on an inside of the side wall (2). 8. The closure (1) in accordance with claim 1, wherein the closure comprises a plastic. 9. The closure (1) in accordance with claim 8, wherein the plastic contains no additives that act as lubricant or slip agent. 10. The closure (1) in accordance with claim 1, wherein the closure (1) is formed as one piece. 11. The closure (1) in accordance with claim 1, wherein the closure (1) has at least one inner seal (7), which is formed so as to make contact with an inside of the mouth piece (10) of a container. 12. The closure (1) in accordance with claim 8, wherein the closure (1) is made by injection moulding. 13. The closure (1) in accordance with claim 8, wherein the plastic is selected from the group consisting of polypropylene, polyethylene, and polyethylene terephthalate. 14. The closure (1) in accordance with claim 1, wherein a middle section of the tongue has a thickness between 0.05 mm and 0.4 mm.
Ma, Liangkai; Crabtree, Sam L.; Gomes, Jorge Caminero; Mirgon, Mark H.; Black, Marc S.; Labonville, Mark O.; Turpin, Matthew J.; Heath, Matthew J.; Saylor, Cory M.; VanSumeren, Leigh Anne A.; Mazzola, Nicolas Cardoso, Flexible fitment for flexible container.
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