Patent ID: 6398534
Filing Date: 2002-06-04
Classification: B29C,B65H

Abstract:
A take-off apparatus for plastic blown sheet, produced by an extruder in the blow molding process, comprising:a collapsing device for the blown sheet, which is supplied with an expanded circular cross section; at least one rotatably mounted deflecting roller for transporting the blown sheet from the collapsing device; at least one non-rotatingly supported air turning bar (8, 9) for transporting the collapsed blown sheet further; the air turning bar (8, 9), in a region of its peripheral surface looped by the collapsed blown sheet during its transport, being provided with an arrangement of air outlet openings; the air turning bar (8, 9) having a constant external diameter, and a course which is arc-shaped in an axial direction of the air turning bar (8, 9) and defines a plane of curvature (14) with a concave side (10) and a convex side (11) of the air turning bar (8, 9); and the air outlet openings being disposed on the concave side (10) of the air turning bar (8, 9).