| 摘要 |
PURPOSE: A vacuum insulator is provided to improve insulating performance and heat resistance because a heat transfer path between inner supporters of a vacuum insulator are extended and formed to be complex. CONSTITUTION: A vacuum insulator comprises an upper plate(100), a lower plate(200), and supporter units(300). The supporter units comprises inner supporter(310), a plurality of first outer supporters(320a,320b,320c,320d), and a plurality of second outer supports(330a,330b,330c,330d). The inner supporter is installed in between the upper plate and lower plate. The plurality of first outer supporters is bent upward from the lower part of the inner supporter. The plurality of second outer supporters is bent downward from the upper part of the inner supporter. The upper parts of the first outer supporters are connected to the upper plate and the lower parts of the second outer supporters are connected to the lower plate.
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