Closure system for a container and dispensing closure

• US 8,365,933 B2
• Filed: 07/13/2007
• Issued: 02/05/2013
• Est. Priority Date: 07/13/2007
• Status: Expired due to Fees

• Current Assignee: Aptar Freyung GmbH (AptarGroup Incorporated)
• Original Assignee: Aptar Freyung GmbH (AptarGroup Incorporated)
• Inventors: Jckel, Gerhard F. K.
• Primary Examiner(s): Stashick, Anthony
• Assistant Examiner(s): Smalley, James N
• Application Number:
  US12/669,010
• Publication Number:
  US 20100288787A1
• Time in Patent Office: 2,034 Days
• Field of Search: 215/235, 215/237, 215/317, 215/318, 215/330, 215/331, 220/254.3, 220/254.5, 222/556, 222/548, 222/549
• US Class Current: 215/318
• CPC Class Codes: B65D 41/0471 with means for positioning the cap on the container, or for limiting the movement of the cap, or for preventing accidental loosening of the cap
• CPC Class Codes: B65D 41/17 push-on and twist-off
• CPC Class Codes: B65D 47/0838 located at an edge of the base element

Abstract

The present invention relates to a closure system, which comprises a dispensing closure and a spout of a container or a spout for a container, to which the dispensing closure can be attached, wherein the dispensing closure is designed as a rebounding closure. The dispensing closure and spout are designed in such a way that the dispensing closure can be separated from the spout or container via a rotational motion. The invention also relates to a dispensing closure for such a closure system.

Claims

1. A closure system that comprises a dispensing closure (200) and a spout (600) of a container or for a container, on which the dispensing closure (200) can be attached, wherein the dispensing closure (200) is designed as a rebounding closure, wherein

the spout (600) comprises an essentially cylindrical dispensing element (610) with a dispensing opening (620), the outside of which is provided with at least one threaded segment (622), and

the dispensing closure (200) comprises an essentially cylindrical snap-on pipe (220), the inner side of which is provided with at least one threaded segment (222) for interacting with the at least one threaded segment (622) of the dispensing opening (620),

characterized in that

the outside of the dispensing element (610) is provided with at least one forcing device (640), which is designed to engage at least one recess (240) of the snap-on pipe (220) so as to force the dispensing closure (200) to move in an axial direction when turning the dispensing closure (200) attached to the spout (600), so that the at least one threaded segment (222) of the snap-on pipe (220) is pressed over the at least one threaded segment (622) of the dispensing element (610), thereby releasing the dispensing closure (200) from the spout (600);

and

wherein the at least one recess (240) comprises a first side (250) and a second side (260), which converge at a vertex (242) or vertex area, wherein the gradients of the first and second side of the recess (240) are designed in such a way that a gradient on one of the first and second sides is smaller at least at one point than the gradient on the other of the first and second sides at a point lying at the same axial height.

2. The closure system according to claim 1, characterized in that the dispensing element (610) comprises at least two threaded segments (622).

3. The closure system according to claim 1, characterized in that the snap-on pipe (220) of the dispensing closure (200) comprises at least two threaded segments (222).

4. The closure system according claim 1, characterized in that the dispensing element (610) comprises at least two forcing devices (640).

5. The closure system according claim 1, characterized in that at least one forcing device (640) is ramp-shaped in design.

6. The closure system according to claim 1, characterized in that a dimension of the at least one forcing device (640) is greater in a radial direction from a centerline of the closure system than the radial dimension of the at least one threaded segment (622) of the dispensing element (610) and/or greater than the radial thickness of the snap-on pipe (220).

7. The closure system according to claim 1, characterized in that the snap-on pipe (220) comprises at least one recess (240) designed in such a way as to at least partially accommodate a forcing device (640) in a state in which the dispensing closure (200) is attached to the spout (600).

8. The closure system according to claim 1, characterized in that a gradient of the at least one threaded segment (622) of the dispensing element (619) and/or the at least one threaded segment (622) of the snap-on pipe (220) ranges from 2°

to 20°

, preferably from 5°

to 15°

.

9. The closure system according to claim 1, characterized in that the at least one threaded segment (622) of the dispensing element (610) and/or the at least one threaded segment (622) of the snap-on pipe (220) additionally exhibits a partial area having a gradient of 0°

.

10. The dispensing closure according to claim 1, characterized in that at least two recesses (240) are provided.

11. The dispensing closure according to claim 1, characterized in that the recess (240) extends in an axial direction over at least 50% of the height of the snap-on pipe (220).

12. The dispensing closure according to claim 1, characterized in that the dispensing closure also comprises a sealing cone (280) inside the snap-on pipe (220).

13. The dispensing closure according to claim 1, characterized in that the dispensing closure involves a hinged cover seal, which comprises a hinged cover (400) attached to a closure body (200) by a hinge (300).