FIELD: technological processes.
SUBSTANCE: when manufacturing three-layered structure from polymer composite material, middle layer is formed from separate panels that consist of reinforcing ribs of trapezoidal or U-shaped form, which are combined into single corrugated element. Space between corrugations is filled with foam plastic from both sides aflush with corrugations' shelves. Connection of middle layer panels along section width is carried out at corrugations' walls. Connection at sections' length is carried out by walls and internal surface of corrugations' shelves in the point of joint.
EFFECT: reduction of labour-intensiveness at the account of separation of processes of middle layer panels manufacture and their further connection into single section.
4 dwg
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