Patent ID: 7473087
Filing Date: 2009-01-06
Classification: B29C

Abstract:
1. A device for exchanging an extrusion cylinder, comprising: an extruder including accommodating means carried on a structural support portion of the extruder; mobile transporting means movable independently of the extruder; an extrusion cylinder being comprised of cylinder sections and including at least one screw element which is in an interior of the extrusion cylinder and which is coupleable with a driving unit of the extruder for the purpose of extruding; a carrier being provided in a general form of a frame structure, said extrusion cylinder being carried on said carrier, said carrier being receivable to said accommodating means as well as to said mobile transporting means; and a movement mechanism operable for moving the extrusion cylinder in a direction perpendicular to a longitudinal cylinder axis of said extrusion cylinder for exchanging the extrusion cylinder and the attached carrier from the accommodating means to the transporting means and vice versa, said movement mechanism including a construction by which said accommodating means itself or a part thereof is mobile for moving the extrusion cylinder, and the accommodating means itself or the part thereof is swivelable about a swiveling axis parallel to said longitudinal cylinder axis.