| abstract |
(57) [Problem] To easily deform a plate-shaped vacuum heat insulating material and to obtain a small and highly efficient heat insulating box. SOLUTION: A thermoplastic open-celled rigid molded body is used as a core material in a bag made of a gas barrier film, and the inside is evacuated and sealed to produce a vacuum insulation material, and the vacuum insulation material is heated to soften. A method for deforming a vacuum heat insulating material which is deformed by being cooled and hardened, and a refrigerated / refrigerated container comprising a Peltier element. |