LIQUID FILLING APPARATUS WHICH PREVENTS THAT THE LIQUID LEAKS OUT BY MAKING USE OF THE VACUUM CONDITION

摘要

A liquid filling apparatus is provided, in which a nozzle is always cleanly maintained by preventing the liquid from gathering to the nozzle by forming a check valve in the nozzle. A liquid filling apparatus is constituted as follows. The liquid filling apparatus is equipped with a nozzle unit in which the bidirectional check valve opening and shutting according to the constant pressure. The liquid is induced to the cylinder(24) of the valve part(20) from the filling tank(10). The induced liquid of the predetermined amount is discharged to the nozzle(27) through the piston. The check valve is made of the synthetic resin.