Patent ID: 8997843
Filing Date: 2015-04-07
Classification: F28D,F28F,Y10T

Abstract:
1. A confinement group for a pack-type plate heat exchanger including: at least one pair of end heads located opposite each other with respect to the plate pack, and tightening means for tightening the end heads against the plate pack; at least one end head of said pair of heads comprises: a block of a first material resistant to compression stress, the block having: an internal front portion located and configured for contacting the plate pack; an external front portion on which the tightening means act; at least one reinforcement element of a second material resistant to traction stress and located at said external front portion, the reinforcement element comprises a shell element located at said external front portion; each head delimits seats for said tightening means; said shell element includes lateral portions and includes an intermediate portion connecting said lateral portions, thereby delimiting a receiving zone for said block; said reinforcement element has a pair of projections or ears at said lateral portions located and configured to act as abutment shoulders for a respective one of said tightening means; each said ear has a face or surface located and configured to be engaged by a respective one of said tightening means and each ear has an internal face or surface when the ear is in use; and said block extends to and engages the whole or part of said internal face or surface of said ears.