Patent ID: 7867430

Claim:
An injection mold comprising: an upper clamp plate; an extension cylinder installed within the injection mold and having opposite first and second ends and a nozzle extending from the second end, wherein the first end of the extension cylinder is coupled to the upper clamp plate and the second end extends through the upper clamp plate; a nozzle position holder positioned under the upper clamp plate and having a nozzle insertion groove adapted to receive the nozzle; a gate-lock-pin holder disposed under the nozzle of the extension cylinder and the nozzle position holder, comprising a gate lock pin which has a first end coupled to a gate molded part and a second end coupled to the gate-lock-pin holder, and separating the gate molded part from an injection-molded part; a gate stripper plate disposed under the gate-lock-pin holder and separating the gate molded part from the nozzle; and an object mold comprising a cavity plate and a core plate disposed under the gate stripper plate, wherein the cavity plate and the core plate collectively form a cavity having a shape of an injection-molded part inside the cavity plate and the core plate.