Zeller Plastik Gmbh

Crown Cork & Seal Technologies Corporation

Sigurd Schwanenberg

Closure membrane for a packaging container which comprises a closure head (5) wherein at least one head plate ring (61) is formed on the closure head, preferably around its border, which extends essentially perpendicular with respect to the plane of the closure head (5).

Self-closing closure and closure membrane relating to same

The invention relates to a closure membrane (,) with a closure head (,) and a retaining border (,), the closure head being connected to the retaining border via a connecting wall adjoining the outer border, with the entire arrangement being of essentially cup-shaped design, the closure head preferably being of a thickness which increases outwards from the center. The connecting wall is attached to the closure head via a connecting web (,) which is of lesser thickness than the border region of the closure head and which in the rest position of the membrane projects radially inwards from the connecting wall.

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Lucerne, Switzerland

Sigurd Schwanenberg