| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum insulation panel and a manufacturing method of the vacuum insulation panel which prevents the exposure of the edge of a metal plate material and substantially removes the warpage.SOLUTION: A vacuum insulation panel 10 in which a sealing part 15 is disposed on an outer circumferential part of polygonal first and second metal plate materials 11A, 11B arranged oppositely and a space part 21 in the tightly sealed sealing part 15 is evacuated includes edge part folded-back parts 20 disposed by folding the metal plate materials 11A, 11B on the outer side of the sealing part 15 on respective edges of the metal plate materials 11A, 11B. Further, corner part folded-back parts made by folding the metal plate materials 11A, 11B on an outer side of the sealing part 15 are disposed on respective corners of the metal plate materials 11A, 11B. |
