Fixing device of the plates or sheets of heat exchanger on the support tubes

摘要

The heat-exchanger plate comprises a portion for bearing on the tube, which portion is applied against the latter under a calibrated pressure; the application of the pressure on the bearing portion is provided by means of a slit sheath having an outer cone 3, an associated sheath having an inner cone 4, a pressure plate and a force-transmitting member 14 which is applied against the pressure plate 9. When the calibrated pressure force is modified, it is possible to ensure that the material of the bearing part of the plate undergoes plastic flow on the bearing tube, which creates a bond similar to a metallic bond. IMAGE