| 摘要 |
PURPOSE: A vacuum packing bag is provided to prevent the abnormal occurrence of vacuum state resulting from the uncompleted discharge of the air remaining the receiving space. CONSTITUTION: A vacuum packing bag includes: a packaging body(2) having a receiving space; an opening fastener(4) which enables the opening/closing the receiving space; a valve(6) which is formed at the one side of the packaging bag; and a gap forming unit(8) which forms the gap to enable the discharge of air through the valve, wherein a check valve or a one-way valve can be used as the valve.
|
