Injection molding nozzle device

摘要

PCT No. PCT/JP91/01032 Sec. 371 Date May 22, 1992 Sec. 102(e) Date May 22, 1992 PCT Filed Aug. 1, 1991 PCT Pub. No. WO92/02349 PCT Pub. Date Feb. 20, 1992.This invention concerns an injection molding nozzle device (25) provided with an operating valve (31) installed movably in the axial direction inside a nozzle body (4) possessed of a resin passage (12) and enclosing therewith a fluid passage (10) incorporating therein a check valve (11). This injection molding nozzle device is furnished with a fluid discharge open-shut device capable of opening or shutting a fluid discharge passage (17) formed separately of the fluid passage (10) or the check valve (11) of the fluid passage (10).