kanaliga mahuti sulametalli kogumiseks tiiglisse ja pressimiseks survevaluvormi kuumsurvekambriga survevalumasinates (vt survevalu; survevalumasin; kuumkambersurvevalumasin), in die casting, a spout connecting a molten metal holding pot, or chamber, with a nozzle or sprue hole in the die and containing a passage through which molten metal is forced on its way to the die; it is the metal injection mechanism in a hot- chamber machine (see: die casting; die-casting machine; hot-chamber machine)