ATTACHING AND DETACHING TYPE CHECK VALVE AND VINYL BAG HAVING THE SAME

摘要

PURPOSE: An attaching/detaching type check valve is provided to safely storing a plastic bag in a vacuum state by easily forming a vacuum condition inside the plastic bag. CONSTITUTION: An attaching/detaching type check valve includes a base unit(210) and an opening and closing unit(220). The base unit is attached to the upper side of a plastic bag, and includes an opening and closing hole(216). The opening and closing hole is connected to a discharging hole. The opening and closing unit is inserted into the opening and closing hole. A handle unit(213) is protruded from the edge of the base unit.