Trivium Packaging Group Netherlands B.v.

Jeffry Woestefeld

Hein Van Jaarsveld

Gerard Tielbeke

The invention relates to a method for producing a lid for closing a container, the lid reduces the risk of a user's injury when opening the container while being producible at relatively low costs. The method comprising the steps of providing a preform of the lid (), wherein the preform of the lid () has opposing first and second sides (), wherein the first side () faces towards the inside of the container when the lid () is affixed to the container; forming a bead () in the preform of the lid (), wherein the bead () extends out of said second side () in an axial direction from said first side () towards said second side (), wherein the bead () comprises two radially spaced apart side wall portions () and a bridge portion () connecting the side wall portions (); thinning the side wall portions () of the bead () at least partially, thereby elongating the side wall portions (); forming a score line () in the bridge portion () of the bead () on said second side (); and flattening the bead () such that the two thinned side wall portions () collapse, thereby providing the lid ().

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Deventer, Netherlands

Jeffry Woestefeld