T INSULATION WALL, REFRIGERATOR AND DOMESTIC OVEN HAVING SUCH WALLS Russian patent published in 2004 - IPC

FIELD: vacuum insulation technique. SUBSTANCE: heat insulation wall comprises outer case and inner liner connected by U-shaped connection profile. Interior space is filled with heat insulation material. U-shaped profile has vacuum-tight foil-like base and flanges. Flanges are thickened by special means having thickness equal to that of outer case or inner liner. Vacuum-tight connection between flanges and outer case and between flanges and inner liner is made into area close to U-shaped profile base. Heat insulation wall of above structure is used in refrigerator wall and in muffle of domestic oven. EFFECT: increased strength of connection between U-shaped profile, case and liner, prevention of wall deformation, prevention of inner wall volume seal failure. 10 cl, 4 dwg