Patent ID: 9637288
Date: 2017-05-02
CPC Classifications: B65D

Claim:
1. A sealable element configured to seal a rim of a receptacle, the sealable element comprising: a backing layer made from a deformable material; and a sealable membrane detachably connected to the backing layer, the sealable membrane comprising an additional or integral opening member formed as an opening tab that is connected to a rim portion of the sealable membrane, the sealable membrane having a contour with a radius varying between a lower radius value (L) and an upper radius value (U), a ratio between the lower radius value and the upper radius value defined by 0.9≦L/U≦0.99, and the opening tab arranged in an area in which the radius of the contour of the sealable membrane is the upper radius value, a portion of the sealable membrane that radially extends beyond an outer circumference of an upper rim of the receptacle defines an overhanging portion, and the overhanging portion of the lower radius value does not extend beyond an inner circumferential edge of a retention portion of a cap base body of a cap configured to close the receptacle.