| 摘要 |
FIELD: multilayer panels with filler. ^ SUBSTANCE: panel has upper and lower walls and zigzag-shaped filler placed between them. Filler is trapezoid-like in cross-section, and in its recesses inserts inserted into panel are placed, profile of which matches profile of filler in cross-section. ^ EFFECT: higher efficiency, higher durability and lower laboriousness of manufacture. ^ 1 dwg |
