Patent ID: 8261688

Claim:
A torch ( 1 ) configured for thermal spraying of surface coatings, comprising: a head ( 3 ) in which an electric arc is struck between a cathode tip and an inside of an anode for plasma generation, the cathode tip and the anode both being internally water cooled, the head ( 3 ) comprising a delivery unit ( 20 ), and conduits are provided on said delivery unit ( 20 ) for connection with corresponding delivery and outlet pipes ( 7 , 8 ), which are configured to be connected with cavities for water circulation of the head ( 3 ); a bracket ( 2 ) for supporting the head ( 3 ), said head ( 3 ) pivots relative to the bracket ( 2 ), the bracket being connected to a guide arm; and two side plates ( 4 ) joining the head ( 4 ) and the bracket ( 2 ) together, the plates ( 4 ) being welded to the bracket ( 2 ) and each plate ( 4 ) having a hole for connection with a corresponding part of the head ( 3 ) so that the head ( 4 ) can pivot relative to the bracket ( 2 ), wherein said delivery unit ( 20 ) has housings formed therein for connection with joints ( 11 ) of the delivery ( 7 ) and outlet ( 8 ) pipes of the cooling water circuit and each of said housings comprises a gasket for watertight connection with the corresponding joint, and a center of rotation of the head ( 3 ) relative to the bracket ( 2 ) passes through an axis of the holes ( 5 ) not being coaxial with the an axis of the joints ( 11 ).