| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a vacuum heat insulating material capable of achieving improvement of work efficiency and miniaturization. <P>SOLUTION: In the refrigerator 1 wherein a front surface of a main body part 2 having a storage chamber 4 is opened and closed by an opening and closing door 3 and the vacuum heat insulating material 10 is disposed in heat insulating walls 2a to 2c of the main body part 2, the vacuum heat insulating material 10 is provided with a core material 12 working as a spacer, a plate-like adsorbing material 13 prepared by baking synthetic zeolite at a temperature of 400°C or higher and having a thickness of 8 mm or less, and a bag-like covering material 11 covering the core material 12 and the absorbing member 13 so as to maintain the inside vacuum. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
