| 摘要 |
PROBLEM TO BE SOLVED: To provide a re-sealable packaging material in which an unsealing operation and a sealing operation can be easily carried out. SOLUTION: There is provided a re-sealable packaging material comprised of a supporting layer 1, a layer 2 which can be complexed, a pressure-sensitive adhering layer 3 and a welding layer 4 which can be easily broken, wherein a structure C comprised of 2, 3 and 4 is composed of a container A on the supporting layer 1 and a lid B opposing against this container A, the lid B is comprised of a welding layer 5 and a supporting layer 6, and the welding layer 4 and the welding layer 5 which can be easily broken are welded along a seam D. |
