Panasonic Intellectual Property Management Co., Ltd.

Kenta Miyamoto

Shinya Kojima

Noriyuki Miyaji

Naoki Yamamoto

Shuuichi Yakushi

Kazuhiro Kawanishi

A vacuum heat insulation material includes outer covering material which has a gas barrier property and a core material that is provided in an inside of outer covering material, the inside of the outer covering material being vacuum sealed, in which a sealed portion that is configured by sealing the peripheral edge of outer covering material, fin that is formed on the peripheral edge of outer covering material, and compressed portion which is formed by a protrusion being compressed, the protrusion is generated when the peripheral edge of outer covering material is folded back toward the core material are provided. Thereby, it is possible to provide a vacuum heat insulation material that is able to suppress reduction of a heat insulation property when a plurality of sheets are disposed lined up.

Vacuum thermal insulation material

A vacuum insulation material includes: a core member having a large number of minute spaces; a cover member having an internal space in which the core member is housed, the internal pressure being decompression-sealed; and an inspection member provided between the core member and the cover member. The inspection member includes a retaining portion disposed on the core member and a hole formed in the retaining portion.

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Shiga, Japan

Kenta Miyamoto