To provide a heat insulation body, including a vacuum heat insulation member, in which the grade of appearance is improved without having effects of surface irregularity parts of the vacuum heat insulation member, and in which high heat insulation performance is achieved.
This is a heat insulation door body 10 provided with hard urethane foam and a vacuum heat insulation member 13 between an outer case 12 and an inner case 11. On the adhesive surface side to the hard urethan foam 14, the vacuum heat insulation member 13, having a release paper 15 attached on it, is attached to the inner case 11, and the hard urethan foam 14 is filled to foam in a space formed of the outer case 12 and the inner case 11. Release parts absorb distortion, appearance is improved without deteriorating touch, and high heat insulation performance is secured in the heat insulation door body 10.
ONO KOJI
NATSUHARA YUJI
TSUDA YOSHIYUKI
Tomoyasu Sakaguchi
Hiroki Naito