FIELD: ventilation and air-conditioning.
SUBSTANCE: method comprises manufacturing layers made of individual perforated pipes, staking the layers one on the top of the other, and interconnecting them through fastening means. The air duct is provided with locks, and perforated pipes of each subsequent layer are oriented perpendicular to these of the previous one. The locks are made of long arbitrary shaped bodies. The perforated pipes of, at least, the end layers are connected with locks arranged in the perforations of the end parts of each perforated pipe within a layer. The fastening means is connected with the locks.
EFFECT: expanded functional capabilities.
2 cl, 2 dwg
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RU2154720C1 |
