| 摘要 |
<p>PURPOSE: To prevent heat insulating sheet materials consisting of metal foils filled and arranged in a metal box body from making contact to each other even when they are distorted at a high temperature. CONSTITUTION: Heat insulating sheet materials 1 consisting of a required number of metal foils are adhered in a laminated form by a heat resisting adhesive 2 applied in parallel lines in positions successively shifted by a half pitch, and then extended in the laminated direction to form a honeycomb laminated body B. This honeycomb laminated body B is filled and arranged in a metal box body A in a direction in which a radiation heat flows through the heat insulating sheet material surfaces. Thus, since the heat insulating sheet materials of the metal foils are held in the honeycomb structure by the linearly applied adhesive, the heat insulating sheets never make contact to each other even when the heat insulating sheets are distorted at a high temperature. The honeycomb space forming an air layer is also kept as it is.</p> |
