METHOD OF VENTILATION SYSTEM MANUFACTURE Russian patent published in 2000 - IPC

Abstract RU 2154771 C1

FIELD: ventilation and air conditioning systems. SUBSTANCE: method includes manufacture of main air duct, distributing air ducts and their interconnection. Novelty is in that use is made of separate perforated tubes from which main duct is formed by fastening these tubes into bundle. Distributing air ducts are manufactured by bending parts of separate perforated tubes aside from the bundle. EFFECT: broadened store of technical facilities. 5 cl, 2 dwg

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RU 2 154 771 C1

Authors

Maksimov A.I.

Dolmatova R.A.

Dates

2000-08-20—Published

1999-12-23—Filed