CHECK VALVE FOR A VACUUM PACKAGING CAPABLE OF EASILY ASSEMBLING THE VALVE WITH A SIMPLE STRUCTURE

摘要

PURPOSE: A check valve for a vacuum packaging is provided to prevent a suction of external air of a packing container including the check valve during a long time storage, and to reduce the manufacturing cost.;CONSTITUTION: A check valve for a vacuum packaging comprises the following: an exhaust valve combining groove(210) installed on the upper side of a base(200); a combining protrusion(310) of an exhaust valve(300) combined to the exhaust valve combining groove; a second coupling guide(250) protruded from the upper side of the base; a first coupling guide(440) protruded from the lower side of a cap(400) to couple with the second coupling guide; a fixing unit(420) included in the first coupling guide while pressing the exhaust valve; and an exhaust groove(430) of the cap and an exhaust(230) of the base discharging the air from the inside of the pack by the operation of a vacuum pump.;COPYRIGHT KIPO 2010