CLOSURE CAP FOR A CONTAINER

摘要

A closure for a container body (1) having a circular opening (IA) with an axis (Al) though the centre thereof, the closure comprising a collar (3) which is mountable on the container body and a cap (2) for securing to the container body via the collar (3) to close the opening, the collar being movable between a contracted configuration and an expanded configuration so that parts thereof are radially moveable between inner and outer positions, the collar having one or more first thread features (3B) and the cap having one or more second thread features (2C) so that, upon rotation of the cap relative to the collar, engagement between the first and second thread features causes axial and/or radial movement between the cap and the collar, the cap being formed of metal, or other malleable material, with a top portion (2A) and a skirt portion (2B) depending therefrom,.parts of the skirt portion being deformed inwardly to form the second thread features. A cap having a shape capable of being formed in a pressing operation is described.