Unscrewing security device for containers

Abstract

An unscrewing security device for a sealing lid which may be or is mounted on a fixed neck of a motor vehicle radiator, comprising a lid outer section with a handle element, locking elements which may be locked to a counter locking element on the neck and a lid inner piece comprising a valve arrangement preferably embodied as an over and under pressure combination, whereby a turning lock acts between the lid outer piece and the neck. According to the invention, such an unscrewing security device may be provided with the turning lock by application of operational data in an optimal manner, whereby the rotation lock is operated by an actuator controlled according to the operating conditions in the container or for an engine, which is mounted in a housing, itself mounted inside or outside the container in the vicinity of the lid outer piece.

Dependencies are inferred from the claim text.