Vacuum insulation panel has core made up of hexagonal containers fastened together to form honeycomb which are filled with silica gel or silica powder, core then being fitted with plastic sheath which is evacuated

摘要

The vacuum insulation panel has a core (10) made up of hexagonal containers (1) fastened together to form a honeycomb. These are filled with silica gel or silica powder (12). The core is then fitted with a plastic sheath which is evacuated.