Method of vacuum insulation and a vacuum heat insulator used the

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428284, 428285, 428325, 428432, 428457, 428468, 427177, 220450, 220400, 220452, 220420, B32B 516

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055081061

ABSTRACT:
The invention is composed of a non-aluminium metallic foil with a ceramic particle dotted layer formed on one side thereof is used and the non-aluminium metallic foil is wound on the peripheral surface of an inner shell of a duplex shell body in a state that the ceramic particle dotted layer is faced inwardly, wherein the circumference of the multi-layeredly wound layer is covered with an outer shell of the duplex shell body, and a space between the inner shell and the outer shell is sealed and evacuated.

REFERENCES:
patent: 3152033 (1964-10-01), Black et al.
patent: 4581285 (1986-04-01), Mehefkey

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