Tubular bend for ventilating air and waste air channels in a kitchen comprises guiding elements guided parallel to each other and to the curved inner walls and outer walls

摘要

Tubular bend (10) comprises guiding elements (26, 27) guided parallel to each other and to the curved inner walls (29) and outer walls (25). The guiding elements have an elliptical shape. Preferred Features: The tubular bend is composed of two partial pieces (20, 40). The edges of the guiding elements are joined together via spring profiles which are locked in opposite-lying grooves of the partial pieces or welded together.