JP2011089734A5 - - Google Patents

Claims (5)

A foam-type heat insulating material and a vacuum heat insulating material are provided between the outer box and the inner box . In the refrigerator, the vacuum insulation material straddling the refrigerator compartment, the freezer compartment, and the vegetable compartment is disposed on the inner surface of the outer box on the side surface of the refrigerator, and the occupancy ratio of the vacuum insulation material in the thickness direction is set for a thick portion of the foam insulation material. increased to, refrigerators, characterized in that there was small comb the difference in thickness of the expanding system insulation. A foam-type heat insulating material and a vacuum heat insulating material are provided between the outer box and the inner box . In the refrigerator, a first vacuum heat insulating material straddling the refrigerator compartment, the freezer compartment, and the vegetable compartment is disposed on the inner surface of the outer box on the side of the refrigerator, and the first vacuum heat insulating material is disposed on a thick portion of the foam heat insulating material. A refrigerator characterized in that a second vacuum heat insulating material is arranged in the thickness direction of the material . The refrigerator according to claim 2, wherein the second vacuum heat insulating material has a polygonal shape and is arranged so that at least three ends do not overlap with the end portions of the first vacuum heat insulating material . The first and second vacuum heat insulating materials comprise at least a jacket material made of a multilayer laminate film having gas barrier properties, and a core material in which a flexible fiber assembly is covered with an inner bag made of a synthetic resin film. The refrigerator according to claim 2 or 3 , wherein the outer cover material on one side of the vacuum heat insulating material is at least metal foil-less at the first and second . The first and second vacuum heat insulating materials have a surface tension of at least 35 N / m or more, and the first and second vacuum heat insulating materials are made of hot melt adhesive or two-sided tape. The refrigerator according to any one of claims 2 to 4 , wherein the refrigerator is directly bonded .