MANUFACTURING METHOD OF VACUUM HEAT INSULATION MATERIAL, VACUUM HEAT INSULATION MATERIAL AND EQUIPMENT INCLUDING VACUUM HEAT INSULATION MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method attaining efficiency and reduction of necessary time in a decompression process of a core material, in order to improve heat insulation performance of a vacuum heat insulation material.SOLUTION: A manufacturing method of a vacuum heat insulation material 1 including a core material 2 and an external packing material 3 containing the core material 2, manufactures the vacuum heat insulation material 1, by performing a decompression process of decompressing the core material 2 through an opening 5 provided along the long side of the external packing material 3.SELECTED DRAWING: Figure 1