FIELD: manufacture of vessels. SUBSTANCE: given method includes the following steps: manufacture of workpiece having internal surface, separate manufacture of internal wall for its insertion in workpiece, insertion of internal wall in workpiece, preparation of casting and casting of workpiece and internal wall into sectional vessels. It also includes activation of binder for attachment of internal wall to internal surface of workpiece during preparatory process. Internal surface of workpiece is provided with recesses for engagement with contact edges of internal wall. Contact edges are twisted to facilitate their engagement with internal surface. EFFECT: enhanced improvement of method. 10 cl, 6 dwg
