| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a refrigerator free from creation of a convection space, in particular, at a curled lug portion with respect to a vacuum heat insulating material used as a heat insulating material of the refrigerator needing heat insulation, and the refrigerator using the same. <P>SOLUTION: This vacuum heat insulating material comprises a core material having a flexible inorganic fiber laminate in an inner bag, and an outer packing material for storing the core material, composed of a film such as a metallic foil laminate film capable of preventing permeation of a gas, the inner bag has a welding portion and an air permeating portion, the inside of the outer packing material is evacuated to be welded and sealed, and a lug portion of the inner bag is positioned in a lug portion of the outer packing material. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
