| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a novel heat insulating box body using a vacuum heat insulating material usable not only in low temperature environment but also in high temperature environment and usable as a large-sized container, a storage box in a transport vehicle, or the like. <P>SOLUTION: The vacuum heat insulating material T having a composite core material S is disposed between internal wall materials 1a, 2a, 3a and external wall materials 1b, 2b, 3b of a box body C storing articles, in a state of abutting on the internal wall material surface or external wall material surface, and urethane foam U is injected, foamed and filled in a clearance. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
