CONTINUOUS MANUFACTURING METHOD FOR VACUUM INSULATION MATERIAL
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Jun 4, 2015
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Jun 10, 2014
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Abstract
The present invention relates to a continuous manufacturing method for a vacuum insulation material, including: a first step of putting a porous insulation material into an inner envelope having permeability, three sides thereof being closed and one side thereof being open, and then sealing the inner envelope; a second step of flattening an upper broad side of the inner envelope; a third step of compressing the inner envelope flattened in the second step; a fourth step of sealing all sides of the inner envelope compressed in the third step, except for one side, with an outer envelope having a shielding property, and packaging the sealed inner envelope; and a fifth step of sealing the one side of the inner envelope not sealed in the third step by putting the inner envelope sealed in the fourth step into a vacuum chamber and performing a vacuum operation.
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