摘要 |
FIELD: heat insulation. ^ SUBSTANCE: evacuated panel comprises two basic surfaces and flexible shell (1) made of one or more barrier sheets and filler. The filler is made of at least two plates (2, 2') which are made of open-porous foamed polymeric material and stacked one above the other. The thickness of each plate ranges from 2 to 8 mm. ^ EFFECT: improved heat insulation. ^ 7 cl, 3 dwg |