| 摘要 |
<p>The present invention provides a vacuum insulation material having a through-hole formed on a core material in a thickness direction. The vacuum insulation material comprises: a core material on which one or more plate-shaped boards made of glass fiber are laminated; and an outer material for keeping the core material and decompressing inside thereof. Also, the present invention provides a method for manufacturing the vacuum insulation material comprising the steps of: preparing the core material having the through-hole; inserting the core material into the outer material; decompressing and sealing the inside of the outer material; sealing the inside of the through-hole with the outer material; and boring a sealed fusion part.</p> |
