segmented injection molding core system, a method of injection molding hollow articles formed in this manner

摘要

The disclosed object relates to an injection mold and an injection molding method having a core molding system according to the disclosed subject matter. the molding core system comprises a plurality of manipulable cooperable components between a first molding position in which the core system is fully deployed and a second position in which the core system is configured to axially retract and radially contract to a second position. wherein the outer shape of said core system is substantially complementary to the inner shape of the molded article.