HOT RUNNER VALVE GATE DEVICE

摘要

PROBLEM TO BE SOLVED: To minimize or to prevent the leakage of a resin in a hot runner valve gate device. SOLUTION: In an apparatus for injection-molding a hot runner valve gate which directs a molten material from a melt channel 42 to a melt cavity, a guide sleeve 58 is arranged at the gate end part of a nozzle body 10 to enclose a valve stem 52, which is guided to the inside, and a sealing means is formed at the gate end part 11 of the nozzle body 10.