CAP WITH A CAPSULE RUPTURABLE BY A CUTTER

摘要

A cap (1 1 ) for a container (10), the cap (1 1 ) including a capsule (25) which contains an additive (T) intended for addition to a liquid contained in a container (10) to which the cap (1 1 ) is to be attached, a cutting edge (39) is located within the cap (1 1 ) to, in use, circumscribe at least a part of the capsule (25), the cutting edge (39) being positioned adjacent the capsule (25), the capsule (25) and cutting edge (39) being mounted for relative movement therebetween and externally accessible movement inducing means operative to effect such relative movement between the capsule (25) and cutting edge (39) to cause the cutting edge (39) to rupture the capsule (25).