| 摘要 |
PURPOSE: A thin film type vacuum pack equipped with a double check valve is provided to secure the reliability of a product by preventing external air from entering a main body after the product is packed in a vacuum state and to more effectively make the vacuum pack slim. CONSTITUTION: A thin film type vacuum pack equipped with a double check valve comprises: a main body(10) including an input unit(12), a receiving unit(14), and an exhaust hole; a first valve sheet(30) which has a first thin film type check valve(32) connected to the exhaust hole and is located on the upper part of the main body; and a second valve sheet(40) which is attached to the upper part of the first valve sheet and has a second thin film type check valve(42) connected to the first thin film type check valve.
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