| 摘要 |
<p>The present invention relates to an air valve for a compression plastic pack and, more particularly and, more specifically, to an air valve for a compression plastic pack, which can make the inflow of air speedy and can increase the emission quantity of the air. The air valve for a compression plastic pack comprises: a body including multiple screw air paths with a tornado shape which are placed on the bottom surface, an air hole which is formed at the center thereof, a column-shaped protrusion fixating film which is formed at the center of the top surface, a cylindrical valve fastening film which is separated from the protrusion fixating film, a pair of linear protrusions which is formed in the inner side of the protrusion fixating film, and a main plate which is formed in the outer side thereof; a valve including a blade which is seated on a fixture insertion hole formed by the valve fastening film and the main plate, a body wherein a linear protrusion fastening fixture is formed to be fastened to the linear protrusion, a first fastening circular protrusion and a second fastening circular protrusion which are engaged with each other between the protrusion fixating film and the valve fastening film, and an air hole which is formed at the center; and a fixture which is inserted into the fixture insertion hole in order to fixate the blade of the valve.</p> |
