| 摘要 |
PURPOSE: An air injection type refill pack is provided to reduce the waste of filled materials by fixing both inlets on the refill pack and a product container. CONSTITUTION: An air injection type refill pack comprises the following: an air inlet(1) and a protrusion(3) for injecting air into the refill pack; a cap(3-a) for sealing the refill pack; a limiting line(1-a) enabling users to open the refill pack before injecting the air into the refill pack; and a straw(4) for injecting the air into the refill pack. The sizes of the limiting line, a double air inlet, and the diameter of an inlet of the refill pack are the same.
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