| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag having a releasable film which protects a packaging material film against soiling with dust or the like and which can be peeled from the packaging material film easily. SOLUTION: The packaging bag is formed in a manner described below. The peripheral edges 2-1 of a double film 10 in which the releasable film 11 and the packaging material film 12 are superposed, are sealed so that the sealant layers 14 of the packaging material film are opposite to each other. In the packaging bag, the releasable film 11 and the packaging material film 12 adhere to each other so as to be releasable along a peripheral edge 2-2. The releasable film and the packaging film do not adhere along the peripheral edge 2-3. The releasable films adhere along the peripheral edge 2-4 but do not adhere in a storage part 3 for the contents, other than the peripheral edges. COPYRIGHT: (C)2009,JPO&INPIT
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