Abstract: The invention relates to a can which, after it is filled, is closed by fitting a cover, and also to an apparatus which is intended to be inserted into an initially open can, and to a method for providing a can. The can according to the invention is characterized in that an apparatus is located in the can, the said apparatus being arranged and designed in such a way that it is moved from a first state to a second state when a cover is fitted onto the initially open can.

Abstract: The invention relates to a can which, after it is filled, is closed by fitting a cover, and also to an apparatus which is intended to be inserted into an initially open can, and to a method for providing a can. The can according to the invention is characterized in that an apparatus is located in the can, the said apparatus being arranged and designed in such a way that it is moved from a first state to a second state when a cover is fitted onto the initially open can.

Abstract: The invention relates to a lid for a beverage can or similar, having a lid surface and a closure unit which is to be opened and is re-closable, which is disposed in the region of the lid surface. The closure unit has the property of selectively uncovering or closing a drinking opening in the lid surface. On the outer side of the lid a foil which, on the outer side of the lid, covers the closure unit and, around the closure unit, is entirely connected to the lid surface so as to be tight in such a manner that, on account of the connection between the foil and the lid surface, ingress of moisture is prevented or at least substantially prevented, is disposed.