Thermal retractable box for transport of fish products and sea foods, has circulating tilting walls arranged around base and each tilting wall is formed at distance from inner wall and external wall

摘要

The thermal retractable box has circulating tilting walls arranged around a base (1). Each tilting wall is formed at a distance from an inner wall (7) and an external wall (8). A hollow chamber (9) is formed between the walls as insulating air chamber. Side walls (2,3,4) with corresponding hollow chambers are provided which are extended over a part of each side wall. Each side wall has multiple neighboring hollow chambers for thermal insulation.