Nozzle assembly having a frangible plunger

摘要: A nozzle assembly adapted for an injector, includes a frangible plunger. The plunger has first driving member and second connected to the spaced apart therefrom by predetermined gap using bridge. When force is applied member, it breaks bridge moves across gap. This causes ram into fluid out of nozzle. Thereafter, as separated from remains stuck in chamber preventing reuse assembly.