Patent ID: 7108498

Claim:
An injection mold comprising: a cavity plate fixed along an axis, and a core plate moveable along said axis; the moveable core plate and the fixed cavity plate each having the same number of cavities; the moveable core plate being mounted on an axle positioned along the axis, and drive means being provided to rotate the axle and thereby to rotate the moveable core plate; the drive means comprising a pinion on said axle, and at least one moveable rack engaged with said pinion; one or more insert slots in the cavity plate and the core plate; each insert slot being capable of receiving an insert; the cavity plate and the core plate having guide means thereon; a plurality of inserts; the inserts having complementary guiding means thereon to enable a selected insert to be entered into and subsequently removed from a cavity by engagement of the guide means with the complementary guiding means; the guide means being constructed and arranged so that, in use, an insert may be engaged with the guide means and moved along the guide means to the insert slot; and wherein each cavity plate is able to receive at least two inserts.