TUBULAR DOUBLE LUMINOUS SMOOTHING AND THREE DIMENSIONAL STRUCTURE COMPRISING SUCH A SMOOTH

摘要

The invention relates to a double rail (1) for producing a stretched fabric structure, having a tubular body comprising a longitudinal passage opening (3) for the passage of stretched cloths, characterized in that the tubular body comprises two internal wings (4, 5) converging towards each other and delimiting, with an inner wall (6), a cavity (7) in which light means (8) are accommodated, the cavity (7) being open in direction of the passage opening (3).