Patent ID: 7614514

Claim:
A tamper evident closure for containers, wherein the closure comprises a spout with a twist away element and a removable cap, wherein the cap comprises a wrench or a socket, such that the cap can be used as a tool for twisting away said twist away element and thereby creating a opening in the spout, wherein the wrench or socket is, while the spout is closed by the cap, on a side of the cap opposite the spout, such that the cap is to be inverted when being used as a tool for twisting away the twist away element, wherein the closure comprises a centering-aid, which centers the cap while it is moved, with the wrench or socket first, towards and onto the spout, characterized in that the centering-aid comprises a first guiding surface on the spout and a second guiding surface on an inner surface of the cap and inwardly extending into the cap such that the wrench or socket is an inward continuation of the second guiding surface, wherein the first guiding surface rotatably mates with the second guiding surface, once the cap is pushed completely with the wrench or socket first onto the spout.