BigPatents India

The invention relates to a non-refillable tamper evident liquid container closure assembly (10) which is applied to a mouth and neck portion (15) of a container for liquid. The closure assembly provides a sleeve (20) which is adapted to lie around the mouth (15) and provided with three projection means (25a, 25b and 25c) projecting inwardly of the sleeve (20), the projection means (25a, 25b, 25c), are movable radially of the sleeve (20) in a stiffly resilient manner and are engageable with an outer lip portion (16), of the bottle neck (15). The assembly also includes a valve seat body (30) which is receivable within the neck portion (15) of the bottle, and is surrounded by the sleeve (20).