An opening arrangement.

摘要

The invention relates to an opening arrangement of the type which consists of a pouring spout (3) formed from a thermoplastic material sheet (1) and surrounded by an outer closure portion (2). The outer closure portion (2) is sealed partly to the upper wall (4) of the pouring spout (3) and partly to a portion of the material sheet (1) surrounding the pouring spout (3). The outer closure portion (2) is provided with a failure impression (7) placed circularly around the outer closure portion (2) when this is sealed to the material sheet (1). <IMAGE>