| abstract |
【Task】 The present invention relates to a vacuum heat insulating material that can be used as a heat insulating material for a refrigerator that requires heat insulation, and a refrigerator using the same, and particularly relates to an invention that does not create a convection space that can be formed into an ear fold. [Solution] A core material in which a laminate of flexible inorganic fibers is housed in an inner bag, and an outer packaging material made of a film capable of preventing gas permeation with a metal foil laminate film or the like that houses the core material, The inner bag has a welded portion and a ventilation portion, and the outer packaging material is pressure-sealed and welded and sealed, and the inner bag ear portion is located within the ear portion of the outer packaging material. [Selection] Figure 7 |