Vorrichtung zum Biegen von laenglichen Gegenstaenden

摘要

The apparatus for bending tubes and like elongate objects is of the type in which a narrow transverse zone of the progressively and gradually forward driven tube is heated and in which bending is effected by means of a rotatable bending arm to which the tube is clamped, the center of rotation of the bending arm being situated substantially in the plane of the heated zone of the tube. In order to alleviate some of the forces acting on the tube and on the apparatus the latter is constructed so as to allow a limited movement of the center of rotation of the bending arm and of the heated zone of the tube in relation to each other. Deviations in the bend radius are corrected by displacing the means for heating the tube.