Closure membrane and closure employing same
First Claim
1. Closure membrane (2) with a closure head (5) and a retaining border (3), the closure head (5) being connected to the retaining border (3) via a connecting wall (4), the entire arrangement being of essentially cup-shaped design and the closure head (5) preferably being of a thickness which increases outwards from the centre, characterised in that the connecting wall (4) is attached to the closure head (5) via a connecting web (51) which is of a lesser thickness than the connecting wall and the border region of the closure head (5), the connecting web having a thickness within the range 0.2 mm to 0.35 mm and in the rest position of the membrane projecting radially inwards from the connecting wall (4).
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Accused Products
Abstract
The invention relates to a closure membrane (2) with a closure head (5) and a retaining border (3), 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 (51) 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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Citations
34 Claims
- 1. Closure membrane (2) with a closure head (5) and a retaining border (3), the closure head (5) being connected to the retaining border (3) via a connecting wall (4), the entire arrangement being of essentially cup-shaped design and the closure head (5) preferably being of a thickness which increases outwards from the centre, characterised in that the connecting wall (4) is attached to the closure head (5) via a connecting web (51) which is of a lesser thickness than the connecting wall and the border region of the closure head (5), the connecting web having a thickness within the range 0.2 mm to 0.35 mm and in the rest position of the membrane projecting radially inwards from the connecting wall (4).
Specification