SUCTION NOZZLE Russian patent published in 2003 - IPC

FIELD: vacuum suction cleaners in industrial and domestic systems for vacuum cleaning. SUBSTANCE: suction nozzle includes body with through ducts, suction branch pipe mounted in body and having lower end arranged over lower end opening of body. Removable partition is arranged on body; said partition closes lower end opening of body. In outer end surface of partition grooves open to lateral surface are formed. In bottom of grooves whose number is no less than three through openings are formed. EFFECT: effective cleaning without damage of surface of thin-sheet easy-to-form materials and articles, improved quality of cleaning thin-sheet materials and other smooth surfaces, prevention of suction into end opening of nozzle of cleaned thin-sheet materials and articles, elimination of material damage. 2 cl, 2 dwg