Mitsubishi Electric Corporation

Syohei Abiko

Nobuo Yamamoto

Yosuke Fujimori

Hideaki Nakano

Kyoko Nomura

Syuichi Iwata

Tsukasa Takagi

Takayuki Hanaki

Masanori Tsujihara

There are provided a vacuum thermal insulating material that is excellent in terms of a handling property, a thermal insulating property, creep resistance, and productivity; and a thermal insulating box including the vacuum thermal insulating material. A core material was enclosed and sealed in a wrapping material with a gas barrier property. The core material of the vacuum thermal insulating material in which the interior of the wrapping material is in a decompression state, is constituted by one organic fibrous assembly having continuous organic fibers formed sheet-shaped or a stack of the organic fibrous assemblies.

Vacuum thermal insulating material and thermal insulating box including the same

In a vacuum thermal insulating material having a core material enclosed in a gas barrier container whose inside is made to be a decompressed state, the core material has a lamination structure in which a plurality of sheet-shaped long fiber organic fibrous assemblies are continuously wound up from an inner periphery to an outer periphery. Then, a plurality of sheet-shaped organic fibrous assemblies are arranged in parallel and sheet-shaped multiple organic fibrous assemblies having joint sections are formed. The joint sections are made not to overlap with the upper and lower of joint sections.

Vacuum thermal insulating material and method of manufacturing the same, and thermal insulating box having the vacuum thermal insulating material

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Tokyo, Japan

Syohei Abiko