Patent ID: 7951321

Claim:
A method of activating a shooting pot in an injection molding shooting pot actuation apparatus configured to be installed in a coinjection hot runner with a coinjection nozzle, the coinjection nozzle having at least two melt channels ending at the same gate, comprising the steps of: disposing a shooting pot in one of a mold cavity half and a mold core half; disposing a second shooting pot in the opposite one of the mold core half and the mold cavity half from said shooting pot; charging the shooting pot with melt when the mold core half and the mold cavity half are closed; using a shooting pot piston actuation structure that extends through at least one of the mold core half and the mold cavity half to cause a shooting pot piston to discharge the melt from the shooting pot to the coinjection hot runner; charging the second shooting pot with a second melt; using movement of a moving platen with respect to a stationary platen to cause a second shooting pot piston actuation structure to cause the second shooting pot piston to (i) discharge the second melt from the second shooting pot to the coinjection hot runner, and (ii) move in a melt-discharge direction that is opposite to a melt-discharge direction of said shooting pot piston.