SEALABLE ELEMENT FOR SEALING A RIM OF RECEPTACLES

摘要

The present invention relates to a sealable element (1) for sealing the rim(21)of receptacles (20), the element (1) comprising at least a backing layer (2) made from a deformable material,and a sealable membrane (3) detachably connected to the backing layer (2),wherein the membrane (3) comprises an additional or integral opening means (4),wherein at least the membrane (3) has a contour with a radius varying between a lower radiusvalue (L) and an upper radiusvalue (U),wherein the ratio between the lower radiusvalue (L) and the upper radiusvalue (U) is defined by the equation 0.9 = L/u = 0.99, preferably 0.95 = L/u = 0.97. The invention further relates to a cap (10) comprising said sealable element (l)and to a receptacle (20) comprising said cap (10) being removably attached onto an opening (O).