Patent ID: 6955210

Claim:
A molding die comprising: a commonly formed general portion mounted in a molding machine; and an exclusive portion forming a cavity supported on an attaching and detaching mechanism, said attaching and detaching mechanism being capable of automatically attaching and detaching said exclusive portion and said general portion on said molding machine wherein each of a fixed die and a movable die fits an insert corresponding to the exclusive portion to a recess portion provided in a main die corresponding to the general portion, and the attaching and detaching mechanism is arranged between a bottom portion of the recess portion in the main die and a back surface portion of the insert, and wherein the attaching and detaching mechanism comprises a clamp apparatus which engages and inserts a generally T-shaped clamper extended from each main die into a generally T-shaped slot provided in a back surface portion of the corresponding insert within the recess portion of the main die.