Patent ID: 6550113
Filing Date: 2003-04-22
Classification: D06C

Abstract:
Circular stretchers for dry tubular fabrics, which are arranged in front and back of a ring-shaped die in the running direction of the tubular fabrics for purposes of vacuum extraction, and stretch out the tubular fabrics in a circular pattern by means of a spreader ring held within the tubular fabrics completely free of attachment, characterized in that the spreader rings (2, 2â€²) consist of individual, at least three roller carriers (3, 3â€²), which are offset on the inner periphery of the tubular fabrics (7), interconnected in a star-shaped pattern and can be adjusted radially to the tubular fabrics (7), and whose outer ends (4, 4â€²) each have two stretching rollers (5 and 5a, 5â€² and 5aâ€²) spaced apart from each other, which stretch the tubular fabrics (7), and the stretching rollers (5 and 5a, 5â€² and 5aâ€²) lie against outer rollers (8, 8â€²) arranged outside the tubular fabrics (7) between the stretching rollers (5 and 5a, 5â€² and 5aâ€²), and a centering ring (10, 10â€²) locked to the roller carriers (3, 3â€²) of the circular stretchers (1, 1â€²) is positioned directly in front and back of a ring-shaped die (9), and has a diameter equal to or greater than the inner diameter of the ring-shaped die (9).