NOZZLE FOR INJECTION OF A THERMOPLASTIC, A HARDENING PLASTIC, OR RUBBER Russian patent published in 1994 - IPC

FIELD: thermoplastic molding. SUBSTANCE: nozzle has expendable wearing-out tube disposed in support tube and a nozzle cap screwed in tubular insert by means of exterior thread. Tubular insert is secured on an external end portion of the forward nozzle body section. The inlet part of wearing-out tube is provided with locknut. The nozzle cap position in the injector orifice is adjusted by cap's turning in the threaded hole of insert. After the fine adjustment the locknut is tightened against the tail nozzle body section. EFFECT: enlarged operating capabilities. 9 cl, 8 dwg