| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To suppress time degradation of a heat insulation property by suppressing damage of a bent part of an outer coat material in a vacuum heat insulating material with a bent shape or a refrigerator with the same. <P>SOLUTION: In the vacuum heat insulating material with a core material made of a fiber-based material with flexibility and the outer coat material with a gas barrier property, the core material is bent and formed in such a manner that a part of a surface layer is welded and an intermediate layer is not welded. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
