Container closures
AssigneeBeeson and Sons Limited
InventorsRoger Milner King, Witney Milner King
Life of this patent
Estimating the term…
Abstract
A container closure assembly comprises a container neck, a closure for the neck and a tamper evident ring frangibly coupled to the closure and retained on the neck when the closure is removed from the neck, wherein the tamper-evident ring has a generally non-circular shape. Preferably, the tamper-evident ring is substantially polygonal, e.g. substantially square, with outwardly curved sides and arcuate corners. The tamper-evident ring is retained on the neck by hooks that abut against a shoulder on the container neck.
Claims8
A container closure assembly comprising:
- a container neck provided with a radially projecting shoulder, wherein the shoulder has a generally circular shape;
- a closure for said container neck;
- and
- a tamper-evident ring releasably coupled to said closure and retained on said container neck when said closure is removed from said neck, wherein said tamper-evident ring comprising a generally non-circular and polygonal shape and having one or more inwardly projecting hooks located adjacent to the mid-point of one or more sides of said tamper-evident ring, wherein said hooks are located behind said radially projecting shoulder so that the hooks locate to retain the tamper evident ring on the neck.
A container closure assembly comprising;
- a container neck;
- a first thread on the container neck;
- a closure for the neck;
- a second thread on the closure, said second thread being compatible with said first thread for screwing the closure onto the neck by rotation through approximately 90.degree.;
- a tamper evident ring frangibly joined to the closure;
- a shoulder on the container neck for retaining said tamper-evident ring on said container neck;
- at least one hook on said tamper-evident ring to abut against said shoulder to retain said tamper-evident ring on said container neck;
- and
- at least one ratchet projection on said container neck to restrict rotation of said tamper-evident ring when said closure is unscrewed;
- wherein said shoulder has a substantially circular shape, said tamper-evident ring has a substantially square shape and said hook is located adjacent a mid-point of a side of said tamper-evident ring.
A container closure assembly comprising:
- a container neck;
- a closure for said container neck;
- and
- a tamper-evident ring releasably coupled to said closure and retained on said container neck when said closure is removed from said neck, wherein said tamper-evident ring comprising a generally non-circular and polygonal shape and having one or more inwardly projecting hooks located adjacent to the mid-point of one or more sides of said tamper-evident ring.
A container closure assembly comprising:
- a container neck having a first screw thread and a generally circular retaining lip located below said first screw thread;
- a closure having a second screw thread for securing said closure on said container neck by engagement with said first screw-thread;
- and
- a tamper-evident ring releasably coupled to said closure and retained on said container neck when said closure is removed from said neck, said tamper-evident ring comprising a generally polygonal shape and having one or more inwardly projecting hooks located adjacent to the mid-point of one or more sides of said tamper-evident ring to abut against said retaining lip to retain said tamper-evident ring on said container neck.
Dependencies are inferred from the claim text.