| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a packaging material, packaging body and a vacuum heat insulating material where a through hole is not formed easily even when a content having a protrusion is stored. <P>SOLUTION: A packaging material 1 is formed by laminating an outer layer 2 and an inner layer 3 having a heat adhesive layer 3b through an adhesive layer 4 and a weak adhesive layer 5. A bag-shaped packaging body using the packaging material 1 is formed for storing a content having a protrusion. The inside of the packaging body is decompressed and sealed for forming a vacuum heat insulating material. In either case, even when the protrusion of the content thrusts and breaks the inner layer 3, the layer 3 and the layer 2 are separated by the layer 5, and the protrusion is prevented from thrusting through the layer 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
