subject: plastic cap mould for containers [print this page] plastic cap mould for containers plastic cap mould for containers
A plastic cap mould for containers comprises a flat top, a casing emanating from same, as well as a guarantee area in the form of a guarantee ring provided in the edge zone of the casing. The guarantee area is provided with at least one vertical incision extending over the height of the guarantee area. The vertical incision is arranged in dependence on specific form characteristics, preferably in dependence on the arrangement of holding webs of the cap, and is cut into the wall of the guarantee ring.
1.a guarantee area provided in an edge zone of the casing, said guarantee area including at least one holding web provided on a surface of said guarantee area which said holding web holds said guarantee area to said casing, said guarantee area further including at least one vertical incision cut into a wall of the guarantee area after the plastic cap is formed and cut at a position located a predetermined distance from the at least one holding web such that said vertical incision experiences a maximum deflection in both an axial direction and a radial direction of said plastic cap when said plastic cap is opened. 2. Plastic cap according to claim 1, wherein the guarantee area is in a form of a surrounding guarantee ring.
3. Plastic cap mould according to claim 1, wherein the guarantee area includes three ring segments, the at least one holding web includes three holding webs, and the at least one vertical incision includes three vertical incisions cut in the three ring segments, respectively, at a same distance from each of the respective three holding webs.
4. Plastic cap according to claim 1, wherein the at least one vertical incision is bridged by at least one corresponding area extending in a circumferential direction.
5. Plastic cap according to claim 4, wherein the at least one area is in a form of a bridging web.
6. Plastic cap mould according to claim 1, wherein the guarantee area partially extends over an arc-shaped circumferential area of said casing based on an opening angle of said guarantee area having a value which is between 60 and 240.
7. Plastic cap according to claim 6, wherein the at least one vertical incision is cut in the middle of the partially extended guarantee area.
8. Plastic cap according to claim 6, wherein said value of the opening angle is 180.
9. Plastic cap according to claim 6, wherein said value of the opening angle is 120.
10. Plastic cap according to claim 1, wherein the at least one holding web holds at least one corresponding ring segment of the guarantee area to said casing when said plastic cap is opened.
11. Plastic cap mould according to claim 10, wherein the at least one holding web is formed by a material section that projects on an inside surface of the casing.
12. Plastic cap according to claim 10, wherein said guarantee area further includes at least one recess provided on an outside surface of the guarantee area.
13. Plastic cap according to claim 10, wherein said guarantee area further includes at least one projection provided on an inside surface of the guarantee area.
14. Plastic cap according to claim 13, wherein the at least one projection is located at a distance relative to the at least one holding web.
15. Plastic cap according to claim 13, wherein the at least one projection is provided with reinforcing ribs which are arranged on a top of the at least one projection.
16. Plastic cap mould according to claim 13, wherein the at least one recess is located at a distance relative to the at least one holding web.
